diff --git a/src/v2/guide/installation.md b/src/v2/guide/installation.md
index 92e0ec118a..30ef8d632a 100644
--- a/src/v2/guide/installation.md
+++ b/src/v2/guide/installation.md
@@ -2,8 +2,8 @@
 title: Installation
 type: guide
 order: 1
-vue_version: 2.6.14
-gz_size: "33.46"
+vue_version: 2.7.0
+gz_size: "36.75"
 ---
 
 ### Compatibility Note
@@ -41,20 +41,20 @@ Simply download and include with a script tag. `Vue` will be registered as a glo
 For prototyping or learning purposes, you can use the latest version with:
 
 ``` html
-<script src="https://cdn.jsdelivr.net/npm/vue@2.6.14/dist/vue.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/vue@2.7.0/dist/vue.js"></script>
 ```
 
 For production, we recommend linking to a specific version number and build to avoid unexpected breakage from newer versions:
 
 ``` html
-<script src="https://cdn.jsdelivr.net/npm/vue@2.6.14"></script>
+<script src="https://cdn.jsdelivr.net/npm/vue@2.7.0"></script>
 ```
 
 If you are using native ES Modules, there is also an ES Modules compatible build:
 
 ``` html
 <script type="module">
-  import Vue from 'https://cdn.jsdelivr.net/npm/vue@2.6.14/dist/vue.esm.browser.js'
+  import Vue from 'https://cdn.jsdelivr.net/npm/vue@2.7.0/dist/vue.esm.browser.js'
 </script>
 ```
 
@@ -84,7 +84,7 @@ Vue provides an [official CLI](https://github.com/vuejs/vue-cli) for quickly sca
 
 ## Explanation of Different Builds
 
-In the [`dist/` directory of the NPM package](https://cdn.jsdelivr.net/npm/vue@2.6.14/dist/) you will find many different builds of Vue.js. Here's an overview of the difference between them:
+In the [`dist/` directory of the NPM package](https://cdn.jsdelivr.net/npm/vue@2.7.0/dist/) you will find many different builds of Vue.js. Here's an overview of the difference between them:
 
 | | UMD | CommonJS | ES Module (for bundlers) | ES Module (for browsers) |
 | --- | --- | --- | --- | --- |
@@ -101,7 +101,7 @@ In the [`dist/` directory of the NPM package](https://cdn.jsdelivr.net/npm/vue@2
 
 - **Runtime**: code that is responsible for creating Vue instances, rendering and patching virtual DOM, etc. Basically everything minus the compiler.
 
-- **[UMD](https://github.com/umdjs/umd)**: UMD builds can be used directly in the browser via a `<script>` tag. The default file from jsDelivr CDN at [https://cdn.jsdelivr.net/npm/vue@2.6.14](https://cdn.jsdelivr.net/npm/vue@2.6.14) is the Runtime + Compiler UMD build (`vue.js`).
+- **[UMD](https://github.com/umdjs/umd)**: UMD builds can be used directly in the browser via a `<script>` tag. The default file from jsDelivr CDN at [https://cdn.jsdelivr.net/npm/vue@2.7.0](https://cdn.jsdelivr.net/npm/vue@2.7.0) is the Runtime + Compiler UMD build (`vue.js`).
 
 - **[CommonJS](http://wiki.commonjs.org/wiki/Modules/1.1)**: CommonJS builds are intended for use with older bundlers like [browserify](http://browserify.org/) or [webpack 1](https://webpack.github.io). The default file for these bundlers (`pkg.main`) is the Runtime only CommonJS build (`vue.runtime.common.js`).
 
diff --git a/themes/vue/_config.yml b/themes/vue/_config.yml
index f1232411bb..cf85ae282e 100644
--- a/themes/vue/_config.yml
+++ b/themes/vue/_config.yml
@@ -1,7 +1,7 @@
 site_description: Vue.js - The Progressive JavaScript Framework
 google_analytics: UA-46852172-1
 root_domain: vuejs.org
-vue_version: 2.6.14
+vue_version: 2.7.0
 # START SPONSORS
 special:
   - name: HBuilder
@@ -9,6 +9,9 @@ special:
     img: hbuilder.png
     description: An IDE for Vue
 platinum:
+  - name: VueMastery
+    url: https://www.vuemastery.com/
+    img: vuemastery.png
   - name: VueSchool
     url: >-
       https://vueschool.io/?utm_source=Vuejs.org&utm_medium=Banner&utm_campaign=Sponsored%20Banner&utm_content=V1
@@ -25,7 +28,7 @@ platinum:
   - name: Ionic
     url: >-
       https://ionicframework.com/vue?utm_source=partner&utm_medium=referral&utm_campaign=vuesponsorship&utm_content=vuedocs
-    img: ionic.png
+    img: ionic.png?v2
   - name: Nuxt
     url: https://nuxtjs.org/
     img: nuxt.png
@@ -46,17 +49,10 @@ platinum_china:
   - name: HBuilder
     url: https://www.dcloud.io/hbuilderx.html?hmsr=vue-en&hmpl=&hmcu=&hmkw=&hmci=
     img: hbuilder.png
-  - name: Authing
-    url: >-
-      https://www.authing.cn/welcome?utm_source=Vuejs&utm_medium=CPT&utm_campaign=EN&utm_term=page-EN
-    img: authing.svg
   - name: 稀土掘金技术社区
     url: https://juejin.cn/frontend?utm_source=vue&utm_campaign=sponsor
     img: xitujuejinjishushequ.png
 gold:
-  - name: VueMastery
-    url: https://www.vuemastery.com/
-    img: vuemastery.png
   - name: Laravel
     url: https://laravel.com
     img: laravel.png
@@ -66,9 +62,6 @@ gold:
   - name: Neds
     url: https://neds.com.au/
     img: neds.png
-  - name: Icons 8
-    url: https://icons8.com/
-    img: icons_8.png
   - name: Tidelift
     url: https://tidelift.com/subscription/npm/vue
     img: tidelift.png
@@ -90,9 +83,6 @@ gold:
   - name: FASTCODING Inc
     url: 'https://fastcoding.jp/javascript/ '
     img: fastcoding_inc.svg
-  - name: StoreKit
-    url: https://storekit.com
-    img: storekit.png
   - name: VPSServer.com
     url: https://www.vpsserver.com
     img: vpsserver_com.png
@@ -138,16 +128,16 @@ gold:
   - name: QuickBooks Tool Hub
     url: https://quickbookstoolhub.com
     img: quickbooks_tool_hub.png
-  - name: '1394'
-    url: https://1394ta.org/buy-instagram-followers/
-    img: 1394.png?v2
   - name: Snyk
     url: https://snyk.co/vuejs
     img: snyk.png?v2
+  - name: Handsontable - JavaScript Data Grid
+    url: https://handsontable.com/
+    img: handsontable___javascript_data_grid.svg
 silver:
-  - name: Inkoop
-    url: https://www.inkoop.io
-    img: inkoop.png
+  - name: Draxlr
+    url: https://www.draxlr.com
+    img: draxlr.svg
   - name: iSolutions UK Limited
     url: https://www.thecasinodb.com
     img: isolutions_uk_limited.png
@@ -160,9 +150,6 @@ silver:
   - name: Doximity
     url: https://technology.doximity.com/
     img: doximity.png
-  - name: Empiricus
-    url: https://www.empiricus.com.br/
-    img: empiricus.png
   - name: CircleCI
     url: https://circleci.com/open-source/
     img: circleci.png
@@ -201,9 +188,6 @@ bronze:
   - name: Liip AG
     url: https://www.liip.ch/en
     img: liip_ag.png
-  - name: FormMaking
-    url: http://form.making.link/
-    img: formmaking.png
   - name: Monarch Air Group
     url: https://monarchairgroup.com
     img: monarch_air_group.png
diff --git a/themes/vue/source/js/vue.js b/themes/vue/source/js/vue.js
index d800532ab6..0ed03fa6dd 100644
--- a/themes/vue/source/js/vue.js
+++ b/themes/vue/source/js/vue.js
@@ -1,12014 +1,11680 @@
 /*!
- * Vue.js v2.6.14
- * (c) 2014-2021 Evan You
+ * Vue.js v2.7.0
+ * (c) 2014-2022 Evan You
  * Released under the MIT License.
  */
 (function (global, factory) {
   typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
   typeof define === 'function' && define.amd ? define(factory) :
-  (global = global || self, global.Vue = factory());
-}(this, function () { 'use strict';
-
-  /*  */
-
-  var emptyObject = Object.freeze({});
-
-  // These helpers produce better VM code in JS engines due to their
-  // explicitness and function inlining.
-  function isUndef (v) {
-    return v === undefined || v === null
-  }
-
-  function isDef (v) {
-    return v !== undefined && v !== null
-  }
-
-  function isTrue (v) {
-    return v === true
-  }
-
-  function isFalse (v) {
-    return v === false
-  }
-
-  /**
-   * Check if value is primitive.
-   */
-  function isPrimitive (value) {
-    return (
-      typeof value === 'string' ||
-      typeof value === 'number' ||
-      // $flow-disable-line
-      typeof value === 'symbol' ||
-      typeof value === 'boolean'
-    )
-  }
-
-  /**
-   * Quick object check - this is primarily used to tell
-   * Objects from primitive values when we know the value
-   * is a JSON-compliant type.
-   */
-  function isObject (obj) {
-    return obj !== null && typeof obj === 'object'
-  }
-
-  /**
-   * Get the raw type string of a value, e.g., [object Object].
-   */
-  var _toString = Object.prototype.toString;
-
-  function toRawType (value) {
-    return _toString.call(value).slice(8, -1)
-  }
-
-  /**
-   * Strict object type check. Only returns true
-   * for plain JavaScript objects.
-   */
-  function isPlainObject (obj) {
-    return _toString.call(obj) === '[object Object]'
-  }
-
-  function isRegExp (v) {
-    return _toString.call(v) === '[object RegExp]'
-  }
-
-  /**
-   * Check if val is a valid array index.
-   */
-  function isValidArrayIndex (val) {
-    var n = parseFloat(String(val));
-    return n >= 0 && Math.floor(n) === n && isFinite(val)
-  }
-
-  function isPromise (val) {
-    return (
-      isDef(val) &&
-      typeof val.then === 'function' &&
-      typeof val.catch === 'function'
-    )
-  }
-
-  /**
-   * Convert a value to a string that is actually rendered.
-   */
-  function toString (val) {
-    return val == null
-      ? ''
-      : Array.isArray(val) || (isPlainObject(val) && val.toString === _toString)
-        ? JSON.stringify(val, null, 2)
-        : String(val)
-  }
-
-  /**
-   * Convert an input value to a number for persistence.
-   * If the conversion fails, return original string.
-   */
-  function toNumber (val) {
-    var n = parseFloat(val);
-    return isNaN(n) ? val : n
-  }
-
-  /**
-   * Make a map and return a function for checking if a key
-   * is in that map.
-   */
-  function makeMap (
-    str,
-    expectsLowerCase
-  ) {
-    var map = Object.create(null);
-    var list = str.split(',');
-    for (var i = 0; i < list.length; i++) {
-      map[list[i]] = true;
-    }
-    return expectsLowerCase
-      ? function (val) { return map[val.toLowerCase()]; }
-      : function (val) { return map[val]; }
-  }
-
-  /**
-   * Check if a tag is a built-in tag.
-   */
-  var isBuiltInTag = makeMap('slot,component', true);
-
-  /**
-   * Check if an attribute is a reserved attribute.
-   */
-  var isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');
-
-  /**
-   * Remove an item from an array.
-   */
-  function remove (arr, item) {
-    if (arr.length) {
-      var index = arr.indexOf(item);
-      if (index > -1) {
-        return arr.splice(index, 1)
-      }
-    }
-  }
-
-  /**
-   * Check whether an object has the property.
-   */
-  var hasOwnProperty = Object.prototype.hasOwnProperty;
-  function hasOwn (obj, key) {
-    return hasOwnProperty.call(obj, key)
-  }
-
-  /**
-   * Create a cached version of a pure function.
-   */
-  function cached (fn) {
-    var cache = Object.create(null);
-    return (function cachedFn (str) {
-      var hit = cache[str];
-      return hit || (cache[str] = fn(str))
-    })
-  }
-
-  /**
-   * Camelize a hyphen-delimited string.
-   */
-  var camelizeRE = /-(\w)/g;
-  var camelize = cached(function (str) {
-    return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })
-  });
-
-  /**
-   * Capitalize a string.
-   */
-  var capitalize = cached(function (str) {
-    return str.charAt(0).toUpperCase() + str.slice(1)
-  });
-
-  /**
-   * Hyphenate a camelCase string.
-   */
-  var hyphenateRE = /\B([A-Z])/g;
-  var hyphenate = cached(function (str) {
-    return str.replace(hyphenateRE, '-$1').toLowerCase()
-  });
-
-  /**
-   * Simple bind polyfill for environments that do not support it,
-   * e.g., PhantomJS 1.x. Technically, we don't need this anymore
-   * since native bind is now performant enough in most browsers.
-   * But removing it would mean breaking code that was able to run in
-   * PhantomJS 1.x, so this must be kept for backward compatibility.
-   */
-
-  /* istanbul ignore next */
-  function polyfillBind (fn, ctx) {
-    function boundFn (a) {
-      var l = arguments.length;
-      return l
-        ? l > 1
-          ? fn.apply(ctx, arguments)
-          : fn.call(ctx, a)
-        : fn.call(ctx)
-    }
-
-    boundFn._length = fn.length;
-    return boundFn
-  }
-
-  function nativeBind (fn, ctx) {
-    return fn.bind(ctx)
-  }
-
-  var bind = Function.prototype.bind
-    ? nativeBind
-    : polyfillBind;
-
-  /**
-   * Convert an Array-like object to a real Array.
-   */
-  function toArray (list, start) {
-    start = start || 0;
-    var i = list.length - start;
-    var ret = new Array(i);
-    while (i--) {
-      ret[i] = list[i + start];
-    }
-    return ret
-  }
-
-  /**
-   * Mix properties into target object.
-   */
-  function extend (to, _from) {
-    for (var key in _from) {
-      to[key] = _from[key];
-    }
-    return to
-  }
-
-  /**
-   * Merge an Array of Objects into a single Object.
-   */
-  function toObject (arr) {
-    var res = {};
-    for (var i = 0; i < arr.length; i++) {
-      if (arr[i]) {
-        extend(res, arr[i]);
-      }
-    }
-    return res
-  }
-
-  /* eslint-disable no-unused-vars */
-
-  /**
-   * Perform no operation.
-   * Stubbing args to make Flow happy without leaving useless transpiled code
-   * with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/).
-   */
-  function noop (a, b, c) {}
-
-  /**
-   * Always return false.
-   */
-  var no = function (a, b, c) { return false; };
-
-  /* eslint-enable no-unused-vars */
-
-  /**
-   * Return the same value.
-   */
-  var identity = function (_) { return _; };
-
-  /**
-   * Generate a string containing static keys from compiler modules.
-   */
-  function genStaticKeys (modules) {
-    return modules.reduce(function (keys, m) {
-      return keys.concat(m.staticKeys || [])
-    }, []).join(',')
-  }
-
-  /**
-   * Check if two values are loosely equal - that is,
-   * if they are plain objects, do they have the same shape?
-   */
-  function looseEqual (a, b) {
-    if (a === b) { return true }
-    var isObjectA = isObject(a);
-    var isObjectB = isObject(b);
-    if (isObjectA && isObjectB) {
-      try {
-        var isArrayA = Array.isArray(a);
-        var isArrayB = Array.isArray(b);
-        if (isArrayA && isArrayB) {
-          return a.length === b.length && a.every(function (e, i) {
-            return looseEqual(e, b[i])
-          })
-        } else if (a instanceof Date && b instanceof Date) {
-          return a.getTime() === b.getTime()
-        } else if (!isArrayA && !isArrayB) {
-          var keysA = Object.keys(a);
-          var keysB = Object.keys(b);
-          return keysA.length === keysB.length && keysA.every(function (key) {
-            return looseEqual(a[key], b[key])
-          })
-        } else {
-          /* istanbul ignore next */
-          return false
-        }
-      } catch (e) {
-        /* istanbul ignore next */
-        return false
-      }
-    } else if (!isObjectA && !isObjectB) {
-      return String(a) === String(b)
-    } else {
-      return false
-    }
-  }
-
-  /**
-   * Return the first index at which a loosely equal value can be
-   * found in the array (if value is a plain object, the array must
-   * contain an object of the same shape), or -1 if it is not present.
-   */
-  function looseIndexOf (arr, val) {
-    for (var i = 0; i < arr.length; i++) {
-      if (looseEqual(arr[i], val)) { return i }
-    }
-    return -1
-  }
-
-  /**
-   * Ensure a function is called only once.
-   */
-  function once (fn) {
-    var called = false;
-    return function () {
-      if (!called) {
-        called = true;
-        fn.apply(this, arguments);
-      }
-    }
-  }
-
-  var SSR_ATTR = 'data-server-rendered';
-
-  var ASSET_TYPES = [
-    'component',
-    'directive',
-    'filter'
-  ];
-
-  var LIFECYCLE_HOOKS = [
-    'beforeCreate',
-    'created',
-    'beforeMount',
-    'mounted',
-    'beforeUpdate',
-    'updated',
-    'beforeDestroy',
-    'destroyed',
-    'activated',
-    'deactivated',
-    'errorCaptured',
-    'serverPrefetch'
-  ];
-
-  /*  */
-
-
-
-  var config = ({
-    /**
-     * Option merge strategies (used in core/util/options)
-     */
-    // $flow-disable-line
-    optionMergeStrategies: Object.create(null),
-
-    /**
-     * Whether to suppress warnings.
-     */
-    silent: false,
-
-    /**
-     * Show production mode tip message on boot?
-     */
-    productionTip: "development" !== 'production',
-
-    /**
-     * Whether to enable devtools
-     */
-    devtools: "development" !== 'production',
-
-    /**
-     * Whether to record perf
-     */
-    performance: false,
-
-    /**
-     * Error handler for watcher errors
-     */
-    errorHandler: null,
-
-    /**
-     * Warn handler for watcher warns
-     */
-    warnHandler: null,
-
-    /**
-     * Ignore certain custom elements
-     */
-    ignoredElements: [],
-
-    /**
-     * Custom user key aliases for v-on
-     */
-    // $flow-disable-line
-    keyCodes: Object.create(null),
-
-    /**
-     * Check if a tag is reserved so that it cannot be registered as a
-     * component. This is platform-dependent and may be overwritten.
-     */
-    isReservedTag: no,
-
-    /**
-     * Check if an attribute is reserved so that it cannot be used as a component
-     * prop. This is platform-dependent and may be overwritten.
-     */
-    isReservedAttr: no,
-
-    /**
-     * Check if a tag is an unknown element.
-     * Platform-dependent.
-     */
-    isUnknownElement: no,
-
-    /**
-     * Get the namespace of an element
-     */
-    getTagNamespace: noop,
-
-    /**
-     * Parse the real tag name for the specific platform.
-     */
-    parsePlatformTagName: identity,
-
-    /**
-     * Check if an attribute must be bound using property, e.g. value
-     * Platform-dependent.
-     */
-    mustUseProp: no,
-
-    /**
-     * Perform updates asynchronously. Intended to be used by Vue Test Utils
-     * This will significantly reduce performance if set to false.
-     */
-    async: true,
-
-    /**
-     * Exposed for legacy reasons
-     */
-    _lifecycleHooks: LIFECYCLE_HOOKS
-  });
-
-  /*  */
-
-  /**
-   * unicode letters used for parsing html tags, component names and property paths.
-   * using https://www.w3.org/TR/html53/semantics-scripting.html#potentialcustomelementname
-   * skipping \u10000-\uEFFFF due to it freezing up PhantomJS
-   */
-  var unicodeRegExp = /a-zA-Z\u00B7\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u037D\u037F-\u1FFF\u200C-\u200D\u203F-\u2040\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD/;
-
-  /**
-   * Check if a string starts with $ or _
-   */
-  function isReserved (str) {
-    var c = (str + '').charCodeAt(0);
-    return c === 0x24 || c === 0x5F
-  }
-
-  /**
-   * Define a property.
-   */
-  function def (obj, key, val, enumerable) {
-    Object.defineProperty(obj, key, {
-      value: val,
-      enumerable: !!enumerable,
-      writable: true,
-      configurable: true
-    });
-  }
-
-  /**
-   * Parse simple path.
-   */
-  var bailRE = new RegExp(("[^" + (unicodeRegExp.source) + ".$_\\d]"));
-  function parsePath (path) {
-    if (bailRE.test(path)) {
-      return
-    }
-    var segments = path.split('.');
-    return function (obj) {
-      for (var i = 0; i < segments.length; i++) {
-        if (!obj) { return }
-        obj = obj[segments[i]];
-      }
-      return obj
-    }
-  }
-
-  /*  */
-
-  // can we use __proto__?
-  var hasProto = '__proto__' in {};
-
-  // Browser environment sniffing
-  var inBrowser = typeof window !== 'undefined';
-  var inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform;
-  var weexPlatform = inWeex && WXEnvironment.platform.toLowerCase();
-  var UA = inBrowser && window.navigator.userAgent.toLowerCase();
-  var isIE = UA && /msie|trident/.test(UA);
-  var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
-  var isEdge = UA && UA.indexOf('edge/') > 0;
-  var isAndroid = (UA && UA.indexOf('android') > 0) || (weexPlatform === 'android');
-  var isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios');
-  var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
-  var isPhantomJS = UA && /phantomjs/.test(UA);
-  var isFF = UA && UA.match(/firefox\/(\d+)/);
-
-  // Firefox has a "watch" function on Object.prototype...
-  var nativeWatch = ({}).watch;
-
-  var supportsPassive = false;
-  if (inBrowser) {
-    try {
-      var opts = {};
-      Object.defineProperty(opts, 'passive', ({
-        get: function get () {
-          /* istanbul ignore next */
-          supportsPassive = true;
-        }
-      })); // https://github.com/facebook/flow/issues/285
-      window.addEventListener('test-passive', null, opts);
-    } catch (e) {}
-  }
-
-  // this needs to be lazy-evaled because vue may be required before
-  // vue-server-renderer can set VUE_ENV
-  var _isServer;
-  var isServerRendering = function () {
-    if (_isServer === undefined) {
-      /* istanbul ignore if */
-      if (!inBrowser && !inWeex && typeof global !== 'undefined') {
-        // detect presence of vue-server-renderer and avoid
-        // Webpack shimming the process
-        _isServer = global['process'] && global['process'].env.VUE_ENV === 'server';
-      } else {
-        _isServer = false;
-      }
-    }
-    return _isServer
-  };
-
-  // detect devtools
-  var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
-
-  /* istanbul ignore next */
-  function isNative (Ctor) {
-    return typeof Ctor === 'function' && /native code/.test(Ctor.toString())
-  }
-
-  var hasSymbol =
-    typeof Symbol !== 'undefined' && isNative(Symbol) &&
-    typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);
-
-  var _Set;
-  /* istanbul ignore if */ // $flow-disable-line
-  if (typeof Set !== 'undefined' && isNative(Set)) {
-    // use native Set when available.
-    _Set = Set;
-  } else {
-    // a non-standard Set polyfill that only works with primitive keys.
-    _Set = /*@__PURE__*/(function () {
-      function Set () {
-        this.set = Object.create(null);
-      }
-      Set.prototype.has = function has (key) {
-        return this.set[key] === true
-      };
-      Set.prototype.add = function add (key) {
-        this.set[key] = true;
-      };
-      Set.prototype.clear = function clear () {
-        this.set = Object.create(null);
-      };
-
-      return Set;
-    }());
-  }
-
-  /*  */
-
-  var warn = noop;
-  var tip = noop;
-  var generateComponentTrace = (noop); // work around flow check
-  var formatComponentName = (noop);
-
-  {
-    var hasConsole = typeof console !== 'undefined';
-    var classifyRE = /(?:^|[-_])(\w)/g;
-    var classify = function (str) { return str
-      .replace(classifyRE, function (c) { return c.toUpperCase(); })
-      .replace(/[-_]/g, ''); };
-
-    warn = function (msg, vm) {
-      var trace = vm ? generateComponentTrace(vm) : '';
-
-      if (config.warnHandler) {
-        config.warnHandler.call(null, msg, vm, trace);
-      } else if (hasConsole && (!config.silent)) {
-        console.error(("[Vue warn]: " + msg + trace));
-      }
-    };
-
-    tip = function (msg, vm) {
-      if (hasConsole && (!config.silent)) {
-        console.warn("[Vue tip]: " + msg + (
-          vm ? generateComponentTrace(vm) : ''
-        ));
-      }
-    };
-
-    formatComponentName = function (vm, includeFile) {
-      if (vm.$root === vm) {
-        return '<Root>'
-      }
-      var options = typeof vm === 'function' && vm.cid != null
-        ? vm.options
-        : vm._isVue
-          ? vm.$options || vm.constructor.options
-          : vm;
-      var name = options.name || options._componentTag;
-      var file = options.__file;
-      if (!name && file) {
-        var match = file.match(/([^/\\]+)\.vue$/);
-        name = match && match[1];
-      }
-
-      return (
-        (name ? ("<" + (classify(name)) + ">") : "<Anonymous>") +
-        (file && includeFile !== false ? (" at " + file) : '')
-      )
-    };
-
-    var repeat = function (str, n) {
-      var res = '';
-      while (n) {
-        if (n % 2 === 1) { res += str; }
-        if (n > 1) { str += str; }
-        n >>= 1;
-      }
-      return res
-    };
-
-    generateComponentTrace = function (vm) {
-      if (vm._isVue && vm.$parent) {
-        var tree = [];
-        var currentRecursiveSequence = 0;
-        while (vm) {
-          if (tree.length > 0) {
-            var last = tree[tree.length - 1];
-            if (last.constructor === vm.constructor) {
-              currentRecursiveSequence++;
-              vm = vm.$parent;
-              continue
-            } else if (currentRecursiveSequence > 0) {
-              tree[tree.length - 1] = [last, currentRecursiveSequence];
-              currentRecursiveSequence = 0;
-            }
-          }
-          tree.push(vm);
-          vm = vm.$parent;
-        }
-        return '\n\nfound in\n\n' + tree
-          .map(function (vm, i) { return ("" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm)
-              ? ((formatComponentName(vm[0])) + "... (" + (vm[1]) + " recursive calls)")
-              : formatComponentName(vm))); })
-          .join('\n')
-      } else {
-        return ("\n\n(found in " + (formatComponentName(vm)) + ")")
-      }
-    };
-  }
-
-  /*  */
-
-  var uid = 0;
-
-  /**
-   * A dep is an observable that can have multiple
-   * directives subscribing to it.
-   */
-  var Dep = function Dep () {
-    this.id = uid++;
-    this.subs = [];
-  };
-
-  Dep.prototype.addSub = function addSub (sub) {
-    this.subs.push(sub);
-  };
-
-  Dep.prototype.removeSub = function removeSub (sub) {
-    remove(this.subs, sub);
-  };
-
-  Dep.prototype.depend = function depend () {
-    if (Dep.target) {
-      Dep.target.addDep(this);
-    }
-  };
-
-  Dep.prototype.notify = function notify () {
-    // stabilize the subscriber list first
-    var subs = this.subs.slice();
-    if (!config.async) {
-      // subs aren't sorted in scheduler if not running async
-      // we need to sort them now to make sure they fire in correct
-      // order
-      subs.sort(function (a, b) { return a.id - b.id; });
-    }
-    for (var i = 0, l = subs.length; i < l; i++) {
-      subs[i].update();
-    }
-  };
-
-  // The current target watcher being evaluated.
-  // This is globally unique because only one watcher
-  // can be evaluated at a time.
-  Dep.target = null;
-  var targetStack = [];
-
-  function pushTarget (target) {
-    targetStack.push(target);
-    Dep.target = target;
-  }
-
-  function popTarget () {
-    targetStack.pop();
-    Dep.target = targetStack[targetStack.length - 1];
-  }
-
-  /*  */
-
-  var VNode = function VNode (
-    tag,
-    data,
-    children,
-    text,
-    elm,
-    context,
-    componentOptions,
-    asyncFactory
-  ) {
-    this.tag = tag;
-    this.data = data;
-    this.children = children;
-    this.text = text;
-    this.elm = elm;
-    this.ns = undefined;
-    this.context = context;
-    this.fnContext = undefined;
-    this.fnOptions = undefined;
-    this.fnScopeId = undefined;
-    this.key = data && data.key;
-    this.componentOptions = componentOptions;
-    this.componentInstance = undefined;
-    this.parent = undefined;
-    this.raw = false;
-    this.isStatic = false;
-    this.isRootInsert = true;
-    this.isComment = false;
-    this.isCloned = false;
-    this.isOnce = false;
-    this.asyncFactory = asyncFactory;
-    this.asyncMeta = undefined;
-    this.isAsyncPlaceholder = false;
-  };
-
-  var prototypeAccessors = { child: { configurable: true } };
-
-  // DEPRECATED: alias for componentInstance for backwards compat.
-  /* istanbul ignore next */
-  prototypeAccessors.child.get = function () {
-    return this.componentInstance
-  };
-
-  Object.defineProperties( VNode.prototype, prototypeAccessors );
-
-  var createEmptyVNode = function (text) {
-    if ( text === void 0 ) text = '';
-
-    var node = new VNode();
-    node.text = text;
-    node.isComment = true;
-    return node
-  };
-
-  function createTextVNode (val) {
-    return new VNode(undefined, undefined, undefined, String(val))
-  }
-
-  // optimized shallow clone
-  // used for static nodes and slot nodes because they may be reused across
-  // multiple renders, cloning them avoids errors when DOM manipulations rely
-  // on their elm reference.
-  function cloneVNode (vnode) {
-    var cloned = new VNode(
-      vnode.tag,
-      vnode.data,
-      // #7975
-      // clone children array to avoid mutating original in case of cloning
-      // a child.
-      vnode.children && vnode.children.slice(),
-      vnode.text,
-      vnode.elm,
-      vnode.context,
-      vnode.componentOptions,
-      vnode.asyncFactory
-    );
-    cloned.ns = vnode.ns;
-    cloned.isStatic = vnode.isStatic;
-    cloned.key = vnode.key;
-    cloned.isComment = vnode.isComment;
-    cloned.fnContext = vnode.fnContext;
-    cloned.fnOptions = vnode.fnOptions;
-    cloned.fnScopeId = vnode.fnScopeId;
-    cloned.asyncMeta = vnode.asyncMeta;
-    cloned.isCloned = true;
-    return cloned
-  }
-
-  /*
-   * not type checking this file because flow doesn't play well with
-   * dynamically accessing methods on Array prototype
-   */
-
-  var arrayProto = Array.prototype;
-  var arrayMethods = Object.create(arrayProto);
-
-  var methodsToPatch = [
-    'push',
-    'pop',
-    'shift',
-    'unshift',
-    'splice',
-    'sort',
-    'reverse'
-  ];
-
-  /**
-   * Intercept mutating methods and emit events
-   */
-  methodsToPatch.forEach(function (method) {
-    // cache original method
-    var original = arrayProto[method];
-    def(arrayMethods, method, function mutator () {
-      var args = [], len = arguments.length;
-      while ( len-- ) args[ len ] = arguments[ len ];
-
-      var result = original.apply(this, args);
-      var ob = this.__ob__;
-      var inserted;
-      switch (method) {
-        case 'push':
-        case 'unshift':
-          inserted = args;
-          break
-        case 'splice':
-          inserted = args.slice(2);
-          break
-      }
-      if (inserted) { ob.observeArray(inserted); }
-      // notify change
-      ob.dep.notify();
-      return result
-    });
-  });
-
-  /*  */
-
-  var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
-
-  /**
-   * In some cases we may want to disable observation inside a component's
-   * update computation.
-   */
-  var shouldObserve = true;
-
-  function toggleObserving (value) {
-    shouldObserve = value;
-  }
-
-  /**
-   * Observer class that is attached to each observed
-   * object. Once attached, the observer converts the target
-   * object's property keys into getter/setters that
-   * collect dependencies and dispatch updates.
-   */
-  var Observer = function Observer (value) {
-    this.value = value;
-    this.dep = new Dep();
-    this.vmCount = 0;
-    def(value, '__ob__', this);
-    if (Array.isArray(value)) {
-      if (hasProto) {
-        protoAugment(value, arrayMethods);
-      } else {
-        copyAugment(value, arrayMethods, arrayKeys);
-      }
-      this.observeArray(value);
-    } else {
-      this.walk(value);
-    }
-  };
-
-  /**
-   * Walk through all properties and convert them into
-   * getter/setters. This method should only be called when
-   * value type is Object.
-   */
-  Observer.prototype.walk = function walk (obj) {
-    var keys = Object.keys(obj);
-    for (var i = 0; i < keys.length; i++) {
-      defineReactive$$1(obj, keys[i]);
-    }
-  };
-
-  /**
-   * Observe a list of Array items.
-   */
-  Observer.prototype.observeArray = function observeArray (items) {
-    for (var i = 0, l = items.length; i < l; i++) {
-      observe(items[i]);
-    }
-  };
-
-  // helpers
-
-  /**
-   * Augment a target Object or Array by intercepting
-   * the prototype chain using __proto__
-   */
-  function protoAugment (target, src) {
-    /* eslint-disable no-proto */
-    target.__proto__ = src;
-    /* eslint-enable no-proto */
-  }
-
-  /**
-   * Augment a target Object or Array by defining
-   * hidden properties.
-   */
-  /* istanbul ignore next */
-  function copyAugment (target, src, keys) {
-    for (var i = 0, l = keys.length; i < l; i++) {
-      var key = keys[i];
-      def(target, key, src[key]);
-    }
-  }
-
-  /**
-   * Attempt to create an observer instance for a value,
-   * returns the new observer if successfully observed,
-   * or the existing observer if the value already has one.
-   */
-  function observe (value, asRootData) {
-    if (!isObject(value) || value instanceof VNode) {
-      return
-    }
-    var ob;
-    if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
-      ob = value.__ob__;
-    } else if (
-      shouldObserve &&
-      !isServerRendering() &&
-      (Array.isArray(value) || isPlainObject(value)) &&
-      Object.isExtensible(value) &&
-      !value._isVue
-    ) {
-      ob = new Observer(value);
-    }
-    if (asRootData && ob) {
-      ob.vmCount++;
-    }
-    return ob
-  }
-
-  /**
-   * Define a reactive property on an Object.
-   */
-  function defineReactive$$1 (
-    obj,
-    key,
-    val,
-    customSetter,
-    shallow
-  ) {
-    var dep = new Dep();
-
-    var property = Object.getOwnPropertyDescriptor(obj, key);
-    if (property && property.configurable === false) {
-      return
-    }
-
-    // cater for pre-defined getter/setters
-    var getter = property && property.get;
-    var setter = property && property.set;
-    if ((!getter || setter) && arguments.length === 2) {
-      val = obj[key];
-    }
-
-    var childOb = !shallow && observe(val);
-    Object.defineProperty(obj, key, {
-      enumerable: true,
-      configurable: true,
-      get: function reactiveGetter () {
-        var value = getter ? getter.call(obj) : val;
-        if (Dep.target) {
-          dep.depend();
-          if (childOb) {
-            childOb.dep.depend();
-            if (Array.isArray(value)) {
-              dependArray(value);
-            }
-          }
-        }
-        return value
-      },
-      set: function reactiveSetter (newVal) {
-        var value = getter ? getter.call(obj) : val;
-        /* eslint-disable no-self-compare */
-        if (newVal === value || (newVal !== newVal && value !== value)) {
-          return
-        }
-        /* eslint-enable no-self-compare */
-        if (customSetter) {
-          customSetter();
-        }
-        // #7981: for accessor properties without setter
-        if (getter && !setter) { return }
-        if (setter) {
-          setter.call(obj, newVal);
-        } else {
-          val = newVal;
-        }
-        childOb = !shallow && observe(newVal);
-        dep.notify();
-      }
-    });
-  }
-
-  /**
-   * Set a property on an object. Adds the new property and
-   * triggers change notification if the property doesn't
-   * already exist.
-   */
-  function set (target, key, val) {
-    if (isUndef(target) || isPrimitive(target)
-    ) {
-      warn(("Cannot set reactive property on undefined, null, or primitive value: " + ((target))));
-    }
-    if (Array.isArray(target) && isValidArrayIndex(key)) {
-      target.length = Math.max(target.length, key);
-      target.splice(key, 1, val);
-      return val
-    }
-    if (key in target && !(key in Object.prototype)) {
-      target[key] = val;
-      return val
-    }
-    var ob = (target).__ob__;
-    if (target._isVue || (ob && ob.vmCount)) {
-      warn(
-        'Avoid adding reactive properties to a Vue instance or its root $data ' +
-        'at runtime - declare it upfront in the data option.'
-      );
-      return val
-    }
-    if (!ob) {
-      target[key] = val;
-      return val
-    }
-    defineReactive$$1(ob.value, key, val);
-    ob.dep.notify();
-    return val
-  }
-
-  /**
-   * Delete a property and trigger change if necessary.
-   */
-  function del (target, key) {
-    if (isUndef(target) || isPrimitive(target)
-    ) {
-      warn(("Cannot delete reactive property on undefined, null, or primitive value: " + ((target))));
-    }
-    if (Array.isArray(target) && isValidArrayIndex(key)) {
-      target.splice(key, 1);
-      return
-    }
-    var ob = (target).__ob__;
-    if (target._isVue || (ob && ob.vmCount)) {
-      warn(
-        'Avoid deleting properties on a Vue instance or its root $data ' +
-        '- just set it to null.'
-      );
-      return
-    }
-    if (!hasOwn(target, key)) {
-      return
-    }
-    delete target[key];
-    if (!ob) {
-      return
-    }
-    ob.dep.notify();
-  }
-
-  /**
-   * Collect dependencies on array elements when the array is touched, since
-   * we cannot intercept array element access like property getters.
-   */
-  function dependArray (value) {
-    for (var e = (void 0), i = 0, l = value.length; i < l; i++) {
-      e = value[i];
-      e && e.__ob__ && e.__ob__.dep.depend();
-      if (Array.isArray(e)) {
-        dependArray(e);
-      }
-    }
-  }
-
-  /*  */
-
-  /**
-   * Option overwriting strategies are functions that handle
-   * how to merge a parent option value and a child option
-   * value into the final value.
-   */
-  var strats = config.optionMergeStrategies;
-
-  /**
-   * Options with restrictions
-   */
-  {
-    strats.el = strats.propsData = function (parent, child, vm, key) {
-      if (!vm) {
-        warn(
-          "option \"" + key + "\" can only be used during instance " +
-          'creation with the `new` keyword.'
-        );
-      }
-      return defaultStrat(parent, child)
-    };
-  }
-
-  /**
-   * Helper that recursively merges two data objects together.
-   */
-  function mergeData (to, from) {
-    if (!from) { return to }
-    var key, toVal, fromVal;
-
-    var keys = hasSymbol
-      ? Reflect.ownKeys(from)
-      : Object.keys(from);
-
-    for (var i = 0; i < keys.length; i++) {
-      key = keys[i];
-      // in case the object is already observed...
-      if (key === '__ob__') { continue }
-      toVal = to[key];
-      fromVal = from[key];
-      if (!hasOwn(to, key)) {
-        set(to, key, fromVal);
-      } else if (
-        toVal !== fromVal &&
-        isPlainObject(toVal) &&
-        isPlainObject(fromVal)
-      ) {
-        mergeData(toVal, fromVal);
-      }
-    }
-    return to
-  }
-
-  /**
-   * Data
-   */
-  function mergeDataOrFn (
-    parentVal,
-    childVal,
-    vm
-  ) {
-    if (!vm) {
-      // in a Vue.extend merge, both should be functions
-      if (!childVal) {
-        return parentVal
-      }
-      if (!parentVal) {
-        return childVal
-      }
-      // when parentVal & childVal are both present,
-      // we need to return a function that returns the
-      // merged result of both functions... no need to
-      // check if parentVal is a function here because
-      // it has to be a function to pass previous merges.
-      return function mergedDataFn () {
-        return mergeData(
-          typeof childVal === 'function' ? childVal.call(this, this) : childVal,
-          typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal
-        )
-      }
-    } else {
-      return function mergedInstanceDataFn () {
-        // instance merge
-        var instanceData = typeof childVal === 'function'
-          ? childVal.call(vm, vm)
-          : childVal;
-        var defaultData = typeof parentVal === 'function'
-          ? parentVal.call(vm, vm)
-          : parentVal;
-        if (instanceData) {
-          return mergeData(instanceData, defaultData)
-        } else {
-          return defaultData
-        }
-      }
-    }
-  }
-
-  strats.data = function (
-    parentVal,
-    childVal,
-    vm
-  ) {
-    if (!vm) {
-      if (childVal && typeof childVal !== 'function') {
-        warn(
-          'The "data" option should be a function ' +
-          'that returns a per-instance value in component ' +
-          'definitions.',
-          vm
-        );
-
-        return parentVal
-      }
-      return mergeDataOrFn(parentVal, childVal)
-    }
-
-    return mergeDataOrFn(parentVal, childVal, vm)
-  };
-
-  /**
-   * Hooks and props are merged as arrays.
-   */
-  function mergeHook (
-    parentVal,
-    childVal
-  ) {
-    var res = childVal
-      ? parentVal
-        ? parentVal.concat(childVal)
-        : Array.isArray(childVal)
-          ? childVal
-          : [childVal]
-      : parentVal;
-    return res
-      ? dedupeHooks(res)
-      : res
-  }
-
-  function dedupeHooks (hooks) {
-    var res = [];
-    for (var i = 0; i < hooks.length; i++) {
-      if (res.indexOf(hooks[i]) === -1) {
-        res.push(hooks[i]);
-      }
-    }
-    return res
-  }
-
-  LIFECYCLE_HOOKS.forEach(function (hook) {
-    strats[hook] = mergeHook;
-  });
-
-  /**
-   * Assets
-   *
-   * When a vm is present (instance creation), we need to do
-   * a three-way merge between constructor options, instance
-   * options and parent options.
-   */
-  function mergeAssets (
-    parentVal,
-    childVal,
-    vm,
-    key
-  ) {
-    var res = Object.create(parentVal || null);
-    if (childVal) {
-      assertObjectType(key, childVal, vm);
-      return extend(res, childVal)
-    } else {
-      return res
-    }
-  }
-
-  ASSET_TYPES.forEach(function (type) {
-    strats[type + 's'] = mergeAssets;
-  });
-
-  /**
-   * Watchers.
-   *
-   * Watchers hashes should not overwrite one
-   * another, so we merge them as arrays.
-   */
-  strats.watch = function (
-    parentVal,
-    childVal,
-    vm,
-    key
-  ) {
-    // work around Firefox's Object.prototype.watch...
-    if (parentVal === nativeWatch) { parentVal = undefined; }
-    if (childVal === nativeWatch) { childVal = undefined; }
-    /* istanbul ignore if */
-    if (!childVal) { return Object.create(parentVal || null) }
-    {
-      assertObjectType(key, childVal, vm);
-    }
-    if (!parentVal) { return childVal }
-    var ret = {};
-    extend(ret, parentVal);
-    for (var key$1 in childVal) {
-      var parent = ret[key$1];
-      var child = childVal[key$1];
-      if (parent && !Array.isArray(parent)) {
-        parent = [parent];
-      }
-      ret[key$1] = parent
-        ? parent.concat(child)
-        : Array.isArray(child) ? child : [child];
-    }
-    return ret
-  };
-
-  /**
-   * Other object hashes.
-   */
-  strats.props =
-  strats.methods =
-  strats.inject =
-  strats.computed = function (
-    parentVal,
-    childVal,
-    vm,
-    key
-  ) {
-    if (childVal && "development" !== 'production') {
-      assertObjectType(key, childVal, vm);
-    }
-    if (!parentVal) { return childVal }
-    var ret = Object.create(null);
-    extend(ret, parentVal);
-    if (childVal) { extend(ret, childVal); }
-    return ret
-  };
-  strats.provide = mergeDataOrFn;
-
-  /**
-   * Default strategy.
-   */
-  var defaultStrat = function (parentVal, childVal) {
-    return childVal === undefined
-      ? parentVal
-      : childVal
-  };
-
-  /**
-   * Validate component names
-   */
-  function checkComponents (options) {
-    for (var key in options.components) {
-      validateComponentName(key);
-    }
-  }
-
-  function validateComponentName (name) {
-    if (!new RegExp(("^[a-zA-Z][\\-\\.0-9_" + (unicodeRegExp.source) + "]*$")).test(name)) {
-      warn(
-        'Invalid component name: "' + name + '". Component names ' +
-        'should conform to valid custom element name in html5 specification.'
-      );
-    }
-    if (isBuiltInTag(name) || config.isReservedTag(name)) {
-      warn(
-        'Do not use built-in or reserved HTML elements as component ' +
-        'id: ' + name
-      );
-    }
-  }
-
-  /**
-   * Ensure all props option syntax are normalized into the
-   * Object-based format.
-   */
-  function normalizeProps (options, vm) {
-    var props = options.props;
-    if (!props) { return }
-    var res = {};
-    var i, val, name;
-    if (Array.isArray(props)) {
-      i = props.length;
-      while (i--) {
-        val = props[i];
-        if (typeof val === 'string') {
-          name = camelize(val);
-          res[name] = { type: null };
-        } else {
-          warn('props must be strings when using array syntax.');
-        }
-      }
-    } else if (isPlainObject(props)) {
-      for (var key in props) {
-        val = props[key];
-        name = camelize(key);
-        res[name] = isPlainObject(val)
-          ? val
-          : { type: val };
-      }
-    } else {
-      warn(
-        "Invalid value for option \"props\": expected an Array or an Object, " +
-        "but got " + (toRawType(props)) + ".",
-        vm
-      );
-    }
-    options.props = res;
-  }
-
-  /**
-   * Normalize all injections into Object-based format
-   */
-  function normalizeInject (options, vm) {
-    var inject = options.inject;
-    if (!inject) { return }
-    var normalized = options.inject = {};
-    if (Array.isArray(inject)) {
-      for (var i = 0; i < inject.length; i++) {
-        normalized[inject[i]] = { from: inject[i] };
-      }
-    } else if (isPlainObject(inject)) {
-      for (var key in inject) {
-        var val = inject[key];
-        normalized[key] = isPlainObject(val)
-          ? extend({ from: key }, val)
-          : { from: val };
-      }
-    } else {
-      warn(
-        "Invalid value for option \"inject\": expected an Array or an Object, " +
-        "but got " + (toRawType(inject)) + ".",
-        vm
-      );
-    }
-  }
-
-  /**
-   * Normalize raw function directives into object format.
-   */
-  function normalizeDirectives (options) {
-    var dirs = options.directives;
-    if (dirs) {
-      for (var key in dirs) {
-        var def$$1 = dirs[key];
-        if (typeof def$$1 === 'function') {
-          dirs[key] = { bind: def$$1, update: def$$1 };
-        }
-      }
-    }
-  }
-
-  function assertObjectType (name, value, vm) {
-    if (!isPlainObject(value)) {
-      warn(
-        "Invalid value for option \"" + name + "\": expected an Object, " +
-        "but got " + (toRawType(value)) + ".",
-        vm
-      );
-    }
-  }
-
-  /**
-   * Merge two option objects into a new one.
-   * Core utility used in both instantiation and inheritance.
-   */
-  function mergeOptions (
-    parent,
-    child,
-    vm
-  ) {
-    {
-      checkComponents(child);
-    }
-
-    if (typeof child === 'function') {
-      child = child.options;
-    }
-
-    normalizeProps(child, vm);
-    normalizeInject(child, vm);
-    normalizeDirectives(child);
-
-    // Apply extends and mixins on the child options,
-    // but only if it is a raw options object that isn't
-    // the result of another mergeOptions call.
-    // Only merged options has the _base property.
-    if (!child._base) {
-      if (child.extends) {
-        parent = mergeOptions(parent, child.extends, vm);
-      }
-      if (child.mixins) {
-        for (var i = 0, l = child.mixins.length; i < l; i++) {
-          parent = mergeOptions(parent, child.mixins[i], vm);
-        }
-      }
-    }
-
-    var options = {};
-    var key;
-    for (key in parent) {
-      mergeField(key);
-    }
-    for (key in child) {
-      if (!hasOwn(parent, key)) {
-        mergeField(key);
-      }
-    }
-    function mergeField (key) {
-      var strat = strats[key] || defaultStrat;
-      options[key] = strat(parent[key], child[key], vm, key);
-    }
-    return options
-  }
-
-  /**
-   * Resolve an asset.
-   * This function is used because child instances need access
-   * to assets defined in its ancestor chain.
-   */
-  function resolveAsset (
-    options,
-    type,
-    id,
-    warnMissing
-  ) {
-    /* istanbul ignore if */
-    if (typeof id !== 'string') {
-      return
-    }
-    var assets = options[type];
-    // check local registration variations first
-    if (hasOwn(assets, id)) { return assets[id] }
-    var camelizedId = camelize(id);
-    if (hasOwn(assets, camelizedId)) { return assets[camelizedId] }
-    var PascalCaseId = capitalize(camelizedId);
-    if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] }
-    // fallback to prototype chain
-    var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];
-    if (warnMissing && !res) {
-      warn(
-        'Failed to resolve ' + type.slice(0, -1) + ': ' + id,
-        options
-      );
-    }
-    return res
-  }
-
-  /*  */
-
-
-
-  function validateProp (
-    key,
-    propOptions,
-    propsData,
-    vm
-  ) {
-    var prop = propOptions[key];
-    var absent = !hasOwn(propsData, key);
-    var value = propsData[key];
-    // boolean casting
-    var booleanIndex = getTypeIndex(Boolean, prop.type);
-    if (booleanIndex > -1) {
-      if (absent && !hasOwn(prop, 'default')) {
-        value = false;
-      } else if (value === '' || value === hyphenate(key)) {
-        // only cast empty string / same name to boolean if
-        // boolean has higher priority
-        var stringIndex = getTypeIndex(String, prop.type);
-        if (stringIndex < 0 || booleanIndex < stringIndex) {
-          value = true;
-        }
-      }
-    }
-    // check default value
-    if (value === undefined) {
-      value = getPropDefaultValue(vm, prop, key);
-      // since the default value is a fresh copy,
-      // make sure to observe it.
-      var prevShouldObserve = shouldObserve;
-      toggleObserving(true);
-      observe(value);
-      toggleObserving(prevShouldObserve);
-    }
-    {
-      assertProp(prop, key, value, vm, absent);
-    }
-    return value
-  }
-
-  /**
-   * Get the default value of a prop.
-   */
-  function getPropDefaultValue (vm, prop, key) {
-    // no default, return undefined
-    if (!hasOwn(prop, 'default')) {
-      return undefined
-    }
-    var def = prop.default;
-    // warn against non-factory defaults for Object & Array
-    if (isObject(def)) {
-      warn(
-        'Invalid default value for prop "' + key + '": ' +
-        'Props with type Object/Array must use a factory function ' +
-        'to return the default value.',
-        vm
-      );
-    }
-    // the raw prop value was also undefined from previous render,
-    // return previous default value to avoid unnecessary watcher trigger
-    if (vm && vm.$options.propsData &&
-      vm.$options.propsData[key] === undefined &&
-      vm._props[key] !== undefined
-    ) {
-      return vm._props[key]
-    }
-    // call factory function for non-Function types
-    // a value is Function if its prototype is function even across different execution context
-    return typeof def === 'function' && getType(prop.type) !== 'Function'
-      ? def.call(vm)
-      : def
-  }
-
-  /**
-   * Assert whether a prop is valid.
-   */
-  function assertProp (
-    prop,
-    name,
-    value,
-    vm,
-    absent
-  ) {
-    if (prop.required && absent) {
-      warn(
-        'Missing required prop: "' + name + '"',
-        vm
-      );
-      return
-    }
-    if (value == null && !prop.required) {
-      return
-    }
-    var type = prop.type;
-    var valid = !type || type === true;
-    var expectedTypes = [];
-    if (type) {
-      if (!Array.isArray(type)) {
-        type = [type];
-      }
-      for (var i = 0; i < type.length && !valid; i++) {
-        var assertedType = assertType(value, type[i], vm);
-        expectedTypes.push(assertedType.expectedType || '');
-        valid = assertedType.valid;
-      }
-    }
-
-    var haveExpectedTypes = expectedTypes.some(function (t) { return t; });
-    if (!valid && haveExpectedTypes) {
-      warn(
-        getInvalidTypeMessage(name, value, expectedTypes),
-        vm
-      );
-      return
-    }
-    var validator = prop.validator;
-    if (validator) {
-      if (!validator(value)) {
-        warn(
-          'Invalid prop: custom validator check failed for prop "' + name + '".',
-          vm
-        );
-      }
-    }
-  }
-
-  var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol|BigInt)$/;
-
-  function assertType (value, type, vm) {
-    var valid;
-    var expectedType = getType(type);
-    if (simpleCheckRE.test(expectedType)) {
-      var t = typeof value;
-      valid = t === expectedType.toLowerCase();
-      // for primitive wrapper objects
-      if (!valid && t === 'object') {
-        valid = value instanceof type;
-      }
-    } else if (expectedType === 'Object') {
-      valid = isPlainObject(value);
-    } else if (expectedType === 'Array') {
-      valid = Array.isArray(value);
-    } else {
-      try {
-        valid = value instanceof type;
-      } catch (e) {
-        warn('Invalid prop type: "' + String(type) + '" is not a constructor', vm);
-        valid = false;
-      }
-    }
-    return {
-      valid: valid,
-      expectedType: expectedType
-    }
-  }
-
-  var functionTypeCheckRE = /^\s*function (\w+)/;
-
-  /**
-   * Use function string name to check built-in types,
-   * because a simple equality check will fail when running
-   * across different vms / iframes.
-   */
-  function getType (fn) {
-    var match = fn && fn.toString().match(functionTypeCheckRE);
-    return match ? match[1] : ''
-  }
-
-  function isSameType (a, b) {
-    return getType(a) === getType(b)
-  }
-
-  function getTypeIndex (type, expectedTypes) {
-    if (!Array.isArray(expectedTypes)) {
-      return isSameType(expectedTypes, type) ? 0 : -1
-    }
-    for (var i = 0, len = expectedTypes.length; i < len; i++) {
-      if (isSameType(expectedTypes[i], type)) {
-        return i
-      }
-    }
-    return -1
-  }
-
-  function getInvalidTypeMessage (name, value, expectedTypes) {
-    var message = "Invalid prop: type check failed for prop \"" + name + "\"." +
-      " Expected " + (expectedTypes.map(capitalize).join(', '));
-    var expectedType = expectedTypes[0];
-    var receivedType = toRawType(value);
-    // check if we need to specify expected value
-    if (
-      expectedTypes.length === 1 &&
-      isExplicable(expectedType) &&
-      isExplicable(typeof value) &&
-      !isBoolean(expectedType, receivedType)
-    ) {
-      message += " with value " + (styleValue(value, expectedType));
-    }
-    message += ", got " + receivedType + " ";
-    // check if we need to specify received value
-    if (isExplicable(receivedType)) {
-      message += "with value " + (styleValue(value, receivedType)) + ".";
-    }
-    return message
-  }
-
-  function styleValue (value, type) {
-    if (type === 'String') {
-      return ("\"" + value + "\"")
-    } else if (type === 'Number') {
-      return ("" + (Number(value)))
-    } else {
-      return ("" + value)
-    }
-  }
-
-  var EXPLICABLE_TYPES = ['string', 'number', 'boolean'];
-  function isExplicable (value) {
-    return EXPLICABLE_TYPES.some(function (elem) { return value.toLowerCase() === elem; })
-  }
-
-  function isBoolean () {
-    var args = [], len = arguments.length;
-    while ( len-- ) args[ len ] = arguments[ len ];
-
-    return args.some(function (elem) { return elem.toLowerCase() === 'boolean'; })
-  }
-
-  /*  */
-
-  function handleError (err, vm, info) {
-    // Deactivate deps tracking while processing error handler to avoid possible infinite rendering.
-    // See: https://github.com/vuejs/vuex/issues/1505
-    pushTarget();
-    try {
-      if (vm) {
-        var cur = vm;
-        while ((cur = cur.$parent)) {
-          var hooks = cur.$options.errorCaptured;
-          if (hooks) {
-            for (var i = 0; i < hooks.length; i++) {
-              try {
-                var capture = hooks[i].call(cur, err, vm, info) === false;
-                if (capture) { return }
-              } catch (e) {
-                globalHandleError(e, cur, 'errorCaptured hook');
-              }
-            }
-          }
-        }
-      }
-      globalHandleError(err, vm, info);
-    } finally {
-      popTarget();
-    }
-  }
-
-  function invokeWithErrorHandling (
-    handler,
-    context,
-    args,
-    vm,
-    info
-  ) {
-    var res;
-    try {
-      res = args ? handler.apply(context, args) : handler.call(context);
-      if (res && !res._isVue && isPromise(res) && !res._handled) {
-        res.catch(function (e) { return handleError(e, vm, info + " (Promise/async)"); });
-        // issue #9511
-        // avoid catch triggering multiple times when nested calls
-        res._handled = true;
-      }
-    } catch (e) {
-      handleError(e, vm, info);
-    }
-    return res
-  }
-
-  function globalHandleError (err, vm, info) {
-    if (config.errorHandler) {
-      try {
-        return config.errorHandler.call(null, err, vm, info)
-      } catch (e) {
-        // if the user intentionally throws the original error in the handler,
-        // do not log it twice
-        if (e !== err) {
-          logError(e, null, 'config.errorHandler');
-        }
-      }
-    }
-    logError(err, vm, info);
-  }
-
-  function logError (err, vm, info) {
-    {
-      warn(("Error in " + info + ": \"" + (err.toString()) + "\""), vm);
-    }
-    /* istanbul ignore else */
-    if ((inBrowser || inWeex) && typeof console !== 'undefined') {
-      console.error(err);
-    } else {
-      throw err
-    }
-  }
-
-  /*  */
-
-  var isUsingMicroTask = false;
-
-  var callbacks = [];
-  var pending = false;
-
-  function flushCallbacks () {
-    pending = false;
-    var copies = callbacks.slice(0);
-    callbacks.length = 0;
-    for (var i = 0; i < copies.length; i++) {
-      copies[i]();
-    }
-  }
-
-  // Here we have async deferring wrappers using microtasks.
-  // In 2.5 we used (macro) tasks (in combination with microtasks).
-  // However, it has subtle problems when state is changed right before repaint
-  // (e.g. #6813, out-in transitions).
-  // Also, using (macro) tasks in event handler would cause some weird behaviors
-  // that cannot be circumvented (e.g. #7109, #7153, #7546, #7834, #8109).
-  // So we now use microtasks everywhere, again.
-  // A major drawback of this tradeoff is that there are some scenarios
-  // where microtasks have too high a priority and fire in between supposedly
-  // sequential events (e.g. #4521, #6690, which have workarounds)
-  // or even between bubbling of the same event (#6566).
-  var timerFunc;
-
-  // The nextTick behavior leverages the microtask queue, which can be accessed
-  // via either native Promise.then or MutationObserver.
-  // MutationObserver has wider support, however it is seriously bugged in
-  // UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
-  // completely stops working after triggering a few times... so, if native
-  // Promise is available, we will use it:
-  /* istanbul ignore next, $flow-disable-line */
-  if (typeof Promise !== 'undefined' && isNative(Promise)) {
-    var p = Promise.resolve();
-    timerFunc = function () {
-      p.then(flushCallbacks);
-      // In problematic UIWebViews, Promise.then doesn't completely break, but
-      // it can get stuck in a weird state where callbacks are pushed into the
-      // microtask queue but the queue isn't being flushed, until the browser
-      // needs to do some other work, e.g. handle a timer. Therefore we can
-      // "force" the microtask queue to be flushed by adding an empty timer.
-      if (isIOS) { setTimeout(noop); }
-    };
-    isUsingMicroTask = true;
-  } else if (!isIE && typeof MutationObserver !== 'undefined' && (
-    isNative(MutationObserver) ||
-    // PhantomJS and iOS 7.x
-    MutationObserver.toString() === '[object MutationObserverConstructor]'
-  )) {
-    // Use MutationObserver where native Promise is not available,
-    // e.g. PhantomJS, iOS7, Android 4.4
-    // (#6466 MutationObserver is unreliable in IE11)
-    var counter = 1;
-    var observer = new MutationObserver(flushCallbacks);
-    var textNode = document.createTextNode(String(counter));
-    observer.observe(textNode, {
-      characterData: true
-    });
-    timerFunc = function () {
-      counter = (counter + 1) % 2;
-      textNode.data = String(counter);
-    };
-    isUsingMicroTask = true;
-  } else if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {
-    // Fallback to setImmediate.
-    // Technically it leverages the (macro) task queue,
-    // but it is still a better choice than setTimeout.
-    timerFunc = function () {
-      setImmediate(flushCallbacks);
-    };
-  } else {
-    // Fallback to setTimeout.
-    timerFunc = function () {
-      setTimeout(flushCallbacks, 0);
-    };
-  }
-
-  function nextTick (cb, ctx) {
-    var _resolve;
-    callbacks.push(function () {
-      if (cb) {
-        try {
-          cb.call(ctx);
-        } catch (e) {
-          handleError(e, ctx, 'nextTick');
-        }
-      } else if (_resolve) {
-        _resolve(ctx);
-      }
-    });
-    if (!pending) {
-      pending = true;
-      timerFunc();
-    }
-    // $flow-disable-line
-    if (!cb && typeof Promise !== 'undefined') {
-      return new Promise(function (resolve) {
-        _resolve = resolve;
-      })
-    }
-  }
-
-  /*  */
-
-  var mark;
-  var measure;
-
-  {
-    var perf = inBrowser && window.performance;
-    /* istanbul ignore if */
-    if (
-      perf &&
-      perf.mark &&
-      perf.measure &&
-      perf.clearMarks &&
-      perf.clearMeasures
-    ) {
-      mark = function (tag) { return perf.mark(tag); };
-      measure = function (name, startTag, endTag) {
-        perf.measure(name, startTag, endTag);
-        perf.clearMarks(startTag);
-        perf.clearMarks(endTag);
-        // perf.clearMeasures(name)
-      };
-    }
-  }
-
-  /* not type checking this file because flow doesn't play well with Proxy */
-
-  var initProxy;
-
-  {
-    var allowedGlobals = makeMap(
-      'Infinity,undefined,NaN,isFinite,isNaN,' +
-      'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +
-      'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,BigInt,' +
-      'require' // for Webpack/Browserify
-    );
-
-    var warnNonPresent = function (target, key) {
-      warn(
-        "Property or method \"" + key + "\" is not defined on the instance but " +
-        'referenced during render. Make sure that this property is reactive, ' +
-        'either in the data option, or for class-based components, by ' +
-        'initializing the property. ' +
-        'See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.',
-        target
-      );
-    };
-
-    var warnReservedPrefix = function (target, key) {
-      warn(
-        "Property \"" + key + "\" must be accessed with \"$data." + key + "\" because " +
-        'properties starting with "$" or "_" are not proxied in the Vue instance to ' +
-        'prevent conflicts with Vue internals. ' +
-        'See: https://vuejs.org/v2/api/#data',
-        target
-      );
-    };
-
-    var hasProxy =
-      typeof Proxy !== 'undefined' && isNative(Proxy);
-
-    if (hasProxy) {
-      var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');
-      config.keyCodes = new Proxy(config.keyCodes, {
-        set: function set (target, key, value) {
-          if (isBuiltInModifier(key)) {
-            warn(("Avoid overwriting built-in modifier in config.keyCodes: ." + key));
-            return false
-          } else {
-            target[key] = value;
-            return true
-          }
-        }
-      });
-    }
-
-    var hasHandler = {
-      has: function has (target, key) {
-        var has = key in target;
-        var isAllowed = allowedGlobals(key) ||
-          (typeof key === 'string' && key.charAt(0) === '_' && !(key in target.$data));
-        if (!has && !isAllowed) {
-          if (key in target.$data) { warnReservedPrefix(target, key); }
-          else { warnNonPresent(target, key); }
-        }
-        return has || !isAllowed
-      }
-    };
-
-    var getHandler = {
-      get: function get (target, key) {
-        if (typeof key === 'string' && !(key in target)) {
-          if (key in target.$data) { warnReservedPrefix(target, key); }
-          else { warnNonPresent(target, key); }
-        }
-        return target[key]
-      }
-    };
-
-    initProxy = function initProxy (vm) {
-      if (hasProxy) {
-        // determine which proxy handler to use
-        var options = vm.$options;
-        var handlers = options.render && options.render._withStripped
-          ? getHandler
-          : hasHandler;
-        vm._renderProxy = new Proxy(vm, handlers);
-      } else {
-        vm._renderProxy = vm;
-      }
-    };
-  }
-
-  /*  */
-
-  var seenObjects = new _Set();
-
-  /**
-   * Recursively traverse an object to evoke all converted
-   * getters, so that every nested property inside the object
-   * is collected as a "deep" dependency.
-   */
-  function traverse (val) {
-    _traverse(val, seenObjects);
-    seenObjects.clear();
-  }
-
-  function _traverse (val, seen) {
-    var i, keys;
-    var isA = Array.isArray(val);
-    if ((!isA && !isObject(val)) || Object.isFrozen(val) || val instanceof VNode) {
-      return
-    }
-    if (val.__ob__) {
-      var depId = val.__ob__.dep.id;
-      if (seen.has(depId)) {
-        return
-      }
-      seen.add(depId);
-    }
-    if (isA) {
-      i = val.length;
-      while (i--) { _traverse(val[i], seen); }
-    } else {
-      keys = Object.keys(val);
-      i = keys.length;
-      while (i--) { _traverse(val[keys[i]], seen); }
-    }
-  }
-
-  /*  */
-
-  var normalizeEvent = cached(function (name) {
-    var passive = name.charAt(0) === '&';
-    name = passive ? name.slice(1) : name;
-    var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first
-    name = once$$1 ? name.slice(1) : name;
-    var capture = name.charAt(0) === '!';
-    name = capture ? name.slice(1) : name;
-    return {
-      name: name,
-      once: once$$1,
-      capture: capture,
-      passive: passive
-    }
-  });
-
-  function createFnInvoker (fns, vm) {
-    function invoker () {
-      var arguments$1 = arguments;
-
-      var fns = invoker.fns;
-      if (Array.isArray(fns)) {
-        var cloned = fns.slice();
-        for (var i = 0; i < cloned.length; i++) {
-          invokeWithErrorHandling(cloned[i], null, arguments$1, vm, "v-on handler");
-        }
-      } else {
-        // return handler return value for single handlers
-        return invokeWithErrorHandling(fns, null, arguments, vm, "v-on handler")
-      }
-    }
-    invoker.fns = fns;
-    return invoker
-  }
-
-  function updateListeners (
-    on,
-    oldOn,
-    add,
-    remove$$1,
-    createOnceHandler,
-    vm
-  ) {
-    var name, def$$1, cur, old, event;
-    for (name in on) {
-      def$$1 = cur = on[name];
-      old = oldOn[name];
-      event = normalizeEvent(name);
-      if (isUndef(cur)) {
-        warn(
-          "Invalid handler for event \"" + (event.name) + "\": got " + String(cur),
-          vm
-        );
-      } else if (isUndef(old)) {
-        if (isUndef(cur.fns)) {
-          cur = on[name] = createFnInvoker(cur, vm);
-        }
-        if (isTrue(event.once)) {
-          cur = on[name] = createOnceHandler(event.name, cur, event.capture);
-        }
-        add(event.name, cur, event.capture, event.passive, event.params);
-      } else if (cur !== old) {
-        old.fns = cur;
-        on[name] = old;
-      }
-    }
-    for (name in oldOn) {
-      if (isUndef(on[name])) {
-        event = normalizeEvent(name);
-        remove$$1(event.name, oldOn[name], event.capture);
-      }
-    }
-  }
-
-  /*  */
-
-  function mergeVNodeHook (def, hookKey, hook) {
-    if (def instanceof VNode) {
-      def = def.data.hook || (def.data.hook = {});
-    }
-    var invoker;
-    var oldHook = def[hookKey];
-
-    function wrappedHook () {
-      hook.apply(this, arguments);
-      // important: remove merged hook to ensure it's called only once
-      // and prevent memory leak
-      remove(invoker.fns, wrappedHook);
-    }
-
-    if (isUndef(oldHook)) {
-      // no existing hook
-      invoker = createFnInvoker([wrappedHook]);
-    } else {
-      /* istanbul ignore if */
-      if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {
-        // already a merged invoker
-        invoker = oldHook;
-        invoker.fns.push(wrappedHook);
-      } else {
-        // existing plain hook
-        invoker = createFnInvoker([oldHook, wrappedHook]);
-      }
-    }
-
-    invoker.merged = true;
-    def[hookKey] = invoker;
-  }
-
-  /*  */
-
-  function extractPropsFromVNodeData (
-    data,
-    Ctor,
-    tag
-  ) {
-    // we are only extracting raw values here.
-    // validation and default values are handled in the child
-    // component itself.
-    var propOptions = Ctor.options.props;
-    if (isUndef(propOptions)) {
-      return
-    }
-    var res = {};
-    var attrs = data.attrs;
-    var props = data.props;
-    if (isDef(attrs) || isDef(props)) {
-      for (var key in propOptions) {
-        var altKey = hyphenate(key);
-        {
-          var keyInLowerCase = key.toLowerCase();
-          if (
-            key !== keyInLowerCase &&
-            attrs && hasOwn(attrs, keyInLowerCase)
-          ) {
-            tip(
-              "Prop \"" + keyInLowerCase + "\" is passed to component " +
-              (formatComponentName(tag || Ctor)) + ", but the declared prop name is" +
-              " \"" + key + "\". " +
-              "Note that HTML attributes are case-insensitive and camelCased " +
-              "props need to use their kebab-case equivalents when using in-DOM " +
-              "templates. You should probably use \"" + altKey + "\" instead of \"" + key + "\"."
-            );
-          }
-        }
-        checkProp(res, props, key, altKey, true) ||
-        checkProp(res, attrs, key, altKey, false);
-      }
-    }
-    return res
-  }
-
-  function checkProp (
-    res,
-    hash,
-    key,
-    altKey,
-    preserve
-  ) {
-    if (isDef(hash)) {
-      if (hasOwn(hash, key)) {
-        res[key] = hash[key];
-        if (!preserve) {
-          delete hash[key];
-        }
-        return true
-      } else if (hasOwn(hash, altKey)) {
-        res[key] = hash[altKey];
-        if (!preserve) {
-          delete hash[altKey];
-        }
-        return true
-      }
-    }
-    return false
-  }
-
-  /*  */
-
-  // The template compiler attempts to minimize the need for normalization by
-  // statically analyzing the template at compile time.
-  //
-  // For plain HTML markup, normalization can be completely skipped because the
-  // generated render function is guaranteed to return Array<VNode>. There are
-  // two cases where extra normalization is needed:
-
-  // 1. When the children contains components - because a functional component
-  // may return an Array instead of a single root. In this case, just a simple
-  // normalization is needed - if any child is an Array, we flatten the whole
-  // thing with Array.prototype.concat. It is guaranteed to be only 1-level deep
-  // because functional components already normalize their own children.
-  function simpleNormalizeChildren (children) {
-    for (var i = 0; i < children.length; i++) {
-      if (Array.isArray(children[i])) {
-        return Array.prototype.concat.apply([], children)
-      }
-    }
-    return children
-  }
-
-  // 2. When the children contains constructs that always generated nested Arrays,
-  // e.g. <template>, <slot>, v-for, or when the children is provided by user
-  // with hand-written render functions / JSX. In such cases a full normalization
-  // is needed to cater to all possible types of children values.
-  function normalizeChildren (children) {
-    return isPrimitive(children)
-      ? [createTextVNode(children)]
-      : Array.isArray(children)
-        ? normalizeArrayChildren(children)
-        : undefined
-  }
-
-  function isTextNode (node) {
-    return isDef(node) && isDef(node.text) && isFalse(node.isComment)
-  }
-
-  function normalizeArrayChildren (children, nestedIndex) {
-    var res = [];
-    var i, c, lastIndex, last;
-    for (i = 0; i < children.length; i++) {
-      c = children[i];
-      if (isUndef(c) || typeof c === 'boolean') { continue }
-      lastIndex = res.length - 1;
-      last = res[lastIndex];
-      //  nested
-      if (Array.isArray(c)) {
-        if (c.length > 0) {
-          c = normalizeArrayChildren(c, ((nestedIndex || '') + "_" + i));
-          // merge adjacent text nodes
-          if (isTextNode(c[0]) && isTextNode(last)) {
-            res[lastIndex] = createTextVNode(last.text + (c[0]).text);
-            c.shift();
-          }
-          res.push.apply(res, c);
-        }
-      } else if (isPrimitive(c)) {
-        if (isTextNode(last)) {
-          // merge adjacent text nodes
-          // this is necessary for SSR hydration because text nodes are
-          // essentially merged when rendered to HTML strings
-          res[lastIndex] = createTextVNode(last.text + c);
-        } else if (c !== '') {
-          // convert primitive to vnode
-          res.push(createTextVNode(c));
-        }
-      } else {
-        if (isTextNode(c) && isTextNode(last)) {
-          // merge adjacent text nodes
-          res[lastIndex] = createTextVNode(last.text + c.text);
-        } else {
-          // default key for nested array children (likely generated by v-for)
-          if (isTrue(children._isVList) &&
-            isDef(c.tag) &&
-            isUndef(c.key) &&
-            isDef(nestedIndex)) {
-            c.key = "__vlist" + nestedIndex + "_" + i + "__";
-          }
-          res.push(c);
-        }
-      }
-    }
-    return res
-  }
-
-  /*  */
-
-  function initProvide (vm) {
-    var provide = vm.$options.provide;
-    if (provide) {
-      vm._provided = typeof provide === 'function'
-        ? provide.call(vm)
-        : provide;
-    }
-  }
-
-  function initInjections (vm) {
-    var result = resolveInject(vm.$options.inject, vm);
-    if (result) {
-      toggleObserving(false);
-      Object.keys(result).forEach(function (key) {
-        /* istanbul ignore else */
-        {
-          defineReactive$$1(vm, key, result[key], function () {
-            warn(
-              "Avoid mutating an injected value directly since the changes will be " +
-              "overwritten whenever the provided component re-renders. " +
-              "injection being mutated: \"" + key + "\"",
-              vm
-            );
-          });
-        }
-      });
-      toggleObserving(true);
-    }
-  }
-
-  function resolveInject (inject, vm) {
-    if (inject) {
-      // inject is :any because flow is not smart enough to figure out cached
-      var result = Object.create(null);
-      var keys = hasSymbol
-        ? Reflect.ownKeys(inject)
-        : Object.keys(inject);
-
-      for (var i = 0; i < keys.length; i++) {
-        var key = keys[i];
-        // #6574 in case the inject object is observed...
-        if (key === '__ob__') { continue }
-        var provideKey = inject[key].from;
-        var source = vm;
-        while (source) {
-          if (source._provided && hasOwn(source._provided, provideKey)) {
-            result[key] = source._provided[provideKey];
-            break
-          }
-          source = source.$parent;
-        }
-        if (!source) {
-          if ('default' in inject[key]) {
-            var provideDefault = inject[key].default;
-            result[key] = typeof provideDefault === 'function'
-              ? provideDefault.call(vm)
-              : provideDefault;
-          } else {
-            warn(("Injection \"" + key + "\" not found"), vm);
-          }
-        }
-      }
-      return result
-    }
-  }
-
-  /*  */
-
-
-
-  /**
-   * Runtime helper for resolving raw children VNodes into a slot object.
-   */
-  function resolveSlots (
-    children,
-    context
-  ) {
-    if (!children || !children.length) {
-      return {}
-    }
-    var slots = {};
-    for (var i = 0, l = children.length; i < l; i++) {
-      var child = children[i];
-      var data = child.data;
-      // remove slot attribute if the node is resolved as a Vue slot node
-      if (data && data.attrs && data.attrs.slot) {
-        delete data.attrs.slot;
-      }
-      // named slots should only be respected if the vnode was rendered in the
-      // same context.
-      if ((child.context === context || child.fnContext === context) &&
-        data && data.slot != null
-      ) {
-        var name = data.slot;
-        var slot = (slots[name] || (slots[name] = []));
-        if (child.tag === 'template') {
-          slot.push.apply(slot, child.children || []);
-        } else {
-          slot.push(child);
-        }
-      } else {
-        (slots.default || (slots.default = [])).push(child);
-      }
-    }
-    // ignore slots that contains only whitespace
-    for (var name$1 in slots) {
-      if (slots[name$1].every(isWhitespace)) {
-        delete slots[name$1];
-      }
-    }
-    return slots
-  }
-
-  function isWhitespace (node) {
-    return (node.isComment && !node.asyncFactory) || node.text === ' '
-  }
-
-  /*  */
-
-  function isAsyncPlaceholder (node) {
-    return node.isComment && node.asyncFactory
-  }
-
-  /*  */
-
-  function normalizeScopedSlots (
-    slots,
-    normalSlots,
-    prevSlots
-  ) {
-    var res;
-    var hasNormalSlots = Object.keys(normalSlots).length > 0;
-    var isStable = slots ? !!slots.$stable : !hasNormalSlots;
-    var key = slots && slots.$key;
-    if (!slots) {
-      res = {};
-    } else if (slots._normalized) {
-      // fast path 1: child component re-render only, parent did not change
-      return slots._normalized
-    } else if (
-      isStable &&
-      prevSlots &&
-      prevSlots !== emptyObject &&
-      key === prevSlots.$key &&
-      !hasNormalSlots &&
-      !prevSlots.$hasNormal
-    ) {
-      // fast path 2: stable scoped slots w/ no normal slots to proxy,
-      // only need to normalize once
-      return prevSlots
-    } else {
-      res = {};
-      for (var key$1 in slots) {
-        if (slots[key$1] && key$1[0] !== '$') {
-          res[key$1] = normalizeScopedSlot(normalSlots, key$1, slots[key$1]);
-        }
-      }
-    }
-    // expose normal slots on scopedSlots
-    for (var key$2 in normalSlots) {
-      if (!(key$2 in res)) {
-        res[key$2] = proxyNormalSlot(normalSlots, key$2);
-      }
-    }
-    // avoriaz seems to mock a non-extensible $scopedSlots object
-    // and when that is passed down this would cause an error
-    if (slots && Object.isExtensible(slots)) {
-      (slots)._normalized = res;
-    }
-    def(res, '$stable', isStable);
-    def(res, '$key', key);
-    def(res, '$hasNormal', hasNormalSlots);
-    return res
-  }
-
-  function normalizeScopedSlot(normalSlots, key, fn) {
-    var normalized = function () {
-      var res = arguments.length ? fn.apply(null, arguments) : fn({});
-      res = res && typeof res === 'object' && !Array.isArray(res)
-        ? [res] // single vnode
-        : normalizeChildren(res);
-      var vnode = res && res[0];
-      return res && (
-        !vnode ||
-        (res.length === 1 && vnode.isComment && !isAsyncPlaceholder(vnode)) // #9658, #10391
-      ) ? undefined
-        : res
-    };
-    // this is a slot using the new v-slot syntax without scope. although it is
-    // compiled as a scoped slot, render fn users would expect it to be present
-    // on this.$slots because the usage is semantically a normal slot.
-    if (fn.proxy) {
-      Object.defineProperty(normalSlots, key, {
-        get: normalized,
-        enumerable: true,
-        configurable: true
-      });
-    }
-    return normalized
-  }
-
-  function proxyNormalSlot(slots, key) {
-    return function () { return slots[key]; }
-  }
-
-  /*  */
-
-  /**
-   * Runtime helper for rendering v-for lists.
-   */
-  function renderList (
-    val,
-    render
-  ) {
-    var ret, i, l, keys, key;
-    if (Array.isArray(val) || typeof val === 'string') {
-      ret = new Array(val.length);
-      for (i = 0, l = val.length; i < l; i++) {
-        ret[i] = render(val[i], i);
-      }
-    } else if (typeof val === 'number') {
-      ret = new Array(val);
-      for (i = 0; i < val; i++) {
-        ret[i] = render(i + 1, i);
-      }
-    } else if (isObject(val)) {
-      if (hasSymbol && val[Symbol.iterator]) {
-        ret = [];
-        var iterator = val[Symbol.iterator]();
-        var result = iterator.next();
-        while (!result.done) {
-          ret.push(render(result.value, ret.length));
-          result = iterator.next();
-        }
-      } else {
-        keys = Object.keys(val);
-        ret = new Array(keys.length);
-        for (i = 0, l = keys.length; i < l; i++) {
-          key = keys[i];
-          ret[i] = render(val[key], key, i);
-        }
-      }
-    }
-    if (!isDef(ret)) {
-      ret = [];
-    }
-    (ret)._isVList = true;
-    return ret
-  }
-
-  /*  */
-
-  /**
-   * Runtime helper for rendering <slot>
-   */
-  function renderSlot (
-    name,
-    fallbackRender,
-    props,
-    bindObject
-  ) {
-    var scopedSlotFn = this.$scopedSlots[name];
-    var nodes;
-    if (scopedSlotFn) {
-      // scoped slot
-      props = props || {};
-      if (bindObject) {
-        if (!isObject(bindObject)) {
-          warn('slot v-bind without argument expects an Object', this);
-        }
-        props = extend(extend({}, bindObject), props);
-      }
-      nodes =
-        scopedSlotFn(props) ||
-        (typeof fallbackRender === 'function' ? fallbackRender() : fallbackRender);
-    } else {
-      nodes =
-        this.$slots[name] ||
-        (typeof fallbackRender === 'function' ? fallbackRender() : fallbackRender);
-    }
-
-    var target = props && props.slot;
-    if (target) {
-      return this.$createElement('template', { slot: target }, nodes)
-    } else {
-      return nodes
-    }
-  }
-
-  /*  */
-
-  /**
-   * Runtime helper for resolving filters
-   */
-  function resolveFilter (id) {
-    return resolveAsset(this.$options, 'filters', id, true) || identity
-  }
-
-  /*  */
-
-  function isKeyNotMatch (expect, actual) {
-    if (Array.isArray(expect)) {
-      return expect.indexOf(actual) === -1
-    } else {
-      return expect !== actual
-    }
-  }
-
-  /**
-   * Runtime helper for checking keyCodes from config.
-   * exposed as Vue.prototype._k
-   * passing in eventKeyName as last argument separately for backwards compat
-   */
-  function checkKeyCodes (
-    eventKeyCode,
-    key,
-    builtInKeyCode,
-    eventKeyName,
-    builtInKeyName
-  ) {
-    var mappedKeyCode = config.keyCodes[key] || builtInKeyCode;
-    if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {
-      return isKeyNotMatch(builtInKeyName, eventKeyName)
-    } else if (mappedKeyCode) {
-      return isKeyNotMatch(mappedKeyCode, eventKeyCode)
-    } else if (eventKeyName) {
-      return hyphenate(eventKeyName) !== key
-    }
-    return eventKeyCode === undefined
-  }
-
-  /*  */
-
-  /**
-   * Runtime helper for merging v-bind="object" into a VNode's data.
-   */
-  function bindObjectProps (
-    data,
-    tag,
-    value,
-    asProp,
-    isSync
-  ) {
-    if (value) {
-      if (!isObject(value)) {
-        warn(
-          'v-bind without argument expects an Object or Array value',
-          this
-        );
-      } else {
-        if (Array.isArray(value)) {
-          value = toObject(value);
-        }
-        var hash;
-        var loop = function ( key ) {
-          if (
-            key === 'class' ||
-            key === 'style' ||
-            isReservedAttribute(key)
-          ) {
-            hash = data;
-          } else {
-            var type = data.attrs && data.attrs.type;
-            hash = asProp || config.mustUseProp(tag, type, key)
-              ? data.domProps || (data.domProps = {})
-              : data.attrs || (data.attrs = {});
-          }
-          var camelizedKey = camelize(key);
-          var hyphenatedKey = hyphenate(key);
-          if (!(camelizedKey in hash) && !(hyphenatedKey in hash)) {
-            hash[key] = value[key];
-
-            if (isSync) {
-              var on = data.on || (data.on = {});
-              on[("update:" + key)] = function ($event) {
-                value[key] = $event;
-              };
-            }
-          }
-        };
-
-        for (var key in value) loop( key );
-      }
-    }
-    return data
-  }
-
-  /*  */
-
-  /**
-   * Runtime helper for rendering static trees.
-   */
-  function renderStatic (
-    index,
-    isInFor
-  ) {
-    var cached = this._staticTrees || (this._staticTrees = []);
-    var tree = cached[index];
-    // if has already-rendered static tree and not inside v-for,
-    // we can reuse the same tree.
-    if (tree && !isInFor) {
-      return tree
-    }
-    // otherwise, render a fresh tree.
-    tree = cached[index] = this.$options.staticRenderFns[index].call(
-      this._renderProxy,
-      null,
-      this // for render fns generated for functional component templates
-    );
-    markStatic(tree, ("__static__" + index), false);
-    return tree
-  }
-
-  /**
-   * Runtime helper for v-once.
-   * Effectively it means marking the node as static with a unique key.
-   */
-  function markOnce (
-    tree,
-    index,
-    key
-  ) {
-    markStatic(tree, ("__once__" + index + (key ? ("_" + key) : "")), true);
-    return tree
-  }
-
-  function markStatic (
-    tree,
-    key,
-    isOnce
-  ) {
-    if (Array.isArray(tree)) {
-      for (var i = 0; i < tree.length; i++) {
-        if (tree[i] && typeof tree[i] !== 'string') {
-          markStaticNode(tree[i], (key + "_" + i), isOnce);
-        }
-      }
-    } else {
-      markStaticNode(tree, key, isOnce);
-    }
-  }
-
-  function markStaticNode (node, key, isOnce) {
-    node.isStatic = true;
-    node.key = key;
-    node.isOnce = isOnce;
-  }
-
-  /*  */
-
-  function bindObjectListeners (data, value) {
-    if (value) {
-      if (!isPlainObject(value)) {
-        warn(
-          'v-on without argument expects an Object value',
-          this
-        );
-      } else {
-        var on = data.on = data.on ? extend({}, data.on) : {};
-        for (var key in value) {
-          var existing = on[key];
-          var ours = value[key];
-          on[key] = existing ? [].concat(existing, ours) : ours;
-        }
-      }
-    }
-    return data
-  }
-
-  /*  */
-
-  function resolveScopedSlots (
-    fns, // see flow/vnode
-    res,
-    // the following are added in 2.6
-    hasDynamicKeys,
-    contentHashKey
-  ) {
-    res = res || { $stable: !hasDynamicKeys };
-    for (var i = 0; i < fns.length; i++) {
-      var slot = fns[i];
-      if (Array.isArray(slot)) {
-        resolveScopedSlots(slot, res, hasDynamicKeys);
-      } else if (slot) {
-        // marker for reverse proxying v-slot without scope on this.$slots
-        if (slot.proxy) {
-          slot.fn.proxy = true;
-        }
-        res[slot.key] = slot.fn;
-      }
-    }
-    if (contentHashKey) {
-      (res).$key = contentHashKey;
-    }
-    return res
-  }
-
-  /*  */
-
-  function bindDynamicKeys (baseObj, values) {
-    for (var i = 0; i < values.length; i += 2) {
-      var key = values[i];
-      if (typeof key === 'string' && key) {
-        baseObj[values[i]] = values[i + 1];
-      } else if (key !== '' && key !== null) {
-        // null is a special value for explicitly removing a binding
-        warn(
-          ("Invalid value for dynamic directive argument (expected string or null): " + key),
-          this
-        );
-      }
-    }
-    return baseObj
-  }
-
-  // helper to dynamically append modifier runtime markers to event names.
-  // ensure only append when value is already string, otherwise it will be cast
-  // to string and cause the type check to miss.
-  function prependModifier (value, symbol) {
-    return typeof value === 'string' ? symbol + value : value
-  }
-
-  /*  */
-
-  function installRenderHelpers (target) {
-    target._o = markOnce;
-    target._n = toNumber;
-    target._s = toString;
-    target._l = renderList;
-    target._t = renderSlot;
-    target._q = looseEqual;
-    target._i = looseIndexOf;
-    target._m = renderStatic;
-    target._f = resolveFilter;
-    target._k = checkKeyCodes;
-    target._b = bindObjectProps;
-    target._v = createTextVNode;
-    target._e = createEmptyVNode;
-    target._u = resolveScopedSlots;
-    target._g = bindObjectListeners;
-    target._d = bindDynamicKeys;
-    target._p = prependModifier;
-  }
-
-  /*  */
-
-  function FunctionalRenderContext (
-    data,
-    props,
-    children,
-    parent,
-    Ctor
-  ) {
-    var this$1 = this;
-
-    var options = Ctor.options;
-    // ensure the createElement function in functional components
-    // gets a unique context - this is necessary for correct named slot check
-    var contextVm;
-    if (hasOwn(parent, '_uid')) {
-      contextVm = Object.create(parent);
-      // $flow-disable-line
-      contextVm._original = parent;
-    } else {
-      // the context vm passed in is a functional context as well.
-      // in this case we want to make sure we are able to get a hold to the
-      // real context instance.
-      contextVm = parent;
-      // $flow-disable-line
-      parent = parent._original;
-    }
-    var isCompiled = isTrue(options._compiled);
-    var needNormalization = !isCompiled;
-
-    this.data = data;
-    this.props = props;
-    this.children = children;
-    this.parent = parent;
-    this.listeners = data.on || emptyObject;
-    this.injections = resolveInject(options.inject, parent);
-    this.slots = function () {
-      if (!this$1.$slots) {
-        normalizeScopedSlots(
-          data.scopedSlots,
-          this$1.$slots = resolveSlots(children, parent)
-        );
-      }
-      return this$1.$slots
-    };
-
-    Object.defineProperty(this, 'scopedSlots', ({
-      enumerable: true,
-      get: function get () {
-        return normalizeScopedSlots(data.scopedSlots, this.slots())
-      }
-    }));
-
-    // support for compiled functional template
-    if (isCompiled) {
-      // exposing $options for renderStatic()
-      this.$options = options;
-      // pre-resolve slots for renderSlot()
-      this.$slots = this.slots();
-      this.$scopedSlots = normalizeScopedSlots(data.scopedSlots, this.$slots);
-    }
-
-    if (options._scopeId) {
-      this._c = function (a, b, c, d) {
-        var vnode = createElement(contextVm, a, b, c, d, needNormalization);
-        if (vnode && !Array.isArray(vnode)) {
-          vnode.fnScopeId = options._scopeId;
-          vnode.fnContext = parent;
-        }
-        return vnode
-      };
-    } else {
-      this._c = function (a, b, c, d) { return createElement(contextVm, a, b, c, d, needNormalization); };
-    }
-  }
-
-  installRenderHelpers(FunctionalRenderContext.prototype);
-
-  function createFunctionalComponent (
-    Ctor,
-    propsData,
-    data,
-    contextVm,
-    children
-  ) {
-    var options = Ctor.options;
-    var props = {};
-    var propOptions = options.props;
-    if (isDef(propOptions)) {
-      for (var key in propOptions) {
-        props[key] = validateProp(key, propOptions, propsData || emptyObject);
-      }
-    } else {
-      if (isDef(data.attrs)) { mergeProps(props, data.attrs); }
-      if (isDef(data.props)) { mergeProps(props, data.props); }
-    }
-
-    var renderContext = new FunctionalRenderContext(
-      data,
-      props,
-      children,
-      contextVm,
-      Ctor
-    );
-
-    var vnode = options.render.call(null, renderContext._c, renderContext);
-
-    if (vnode instanceof VNode) {
-      return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options, renderContext)
-    } else if (Array.isArray(vnode)) {
-      var vnodes = normalizeChildren(vnode) || [];
-      var res = new Array(vnodes.length);
-      for (var i = 0; i < vnodes.length; i++) {
-        res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options, renderContext);
-      }
-      return res
-    }
-  }
-
-  function cloneAndMarkFunctionalResult (vnode, data, contextVm, options, renderContext) {
-    // #7817 clone node before setting fnContext, otherwise if the node is reused
-    // (e.g. it was from a cached normal slot) the fnContext causes named slots
-    // that should not be matched to match.
-    var clone = cloneVNode(vnode);
-    clone.fnContext = contextVm;
-    clone.fnOptions = options;
-    {
-      (clone.devtoolsMeta = clone.devtoolsMeta || {}).renderContext = renderContext;
-    }
-    if (data.slot) {
-      (clone.data || (clone.data = {})).slot = data.slot;
-    }
-    return clone
-  }
-
-  function mergeProps (to, from) {
-    for (var key in from) {
-      to[camelize(key)] = from[key];
-    }
-  }
-
-  /*  */
-
-  /*  */
-
-  /*  */
-
-  /*  */
-
-  // inline hooks to be invoked on component VNodes during patch
-  var componentVNodeHooks = {
-    init: function init (vnode, hydrating) {
-      if (
-        vnode.componentInstance &&
-        !vnode.componentInstance._isDestroyed &&
-        vnode.data.keepAlive
-      ) {
-        // kept-alive components, treat as a patch
-        var mountedNode = vnode; // work around flow
-        componentVNodeHooks.prepatch(mountedNode, mountedNode);
-      } else {
-        var child = vnode.componentInstance = createComponentInstanceForVnode(
-          vnode,
-          activeInstance
-        );
-        child.$mount(hydrating ? vnode.elm : undefined, hydrating);
-      }
-    },
-
-    prepatch: function prepatch (oldVnode, vnode) {
-      var options = vnode.componentOptions;
-      var child = vnode.componentInstance = oldVnode.componentInstance;
-      updateChildComponent(
-        child,
-        options.propsData, // updated props
-        options.listeners, // updated listeners
-        vnode, // new parent vnode
-        options.children // new children
-      );
-    },
-
-    insert: function insert (vnode) {
-      var context = vnode.context;
-      var componentInstance = vnode.componentInstance;
-      if (!componentInstance._isMounted) {
-        componentInstance._isMounted = true;
-        callHook(componentInstance, 'mounted');
-      }
-      if (vnode.data.keepAlive) {
-        if (context._isMounted) {
-          // vue-router#1212
-          // During updates, a kept-alive component's child components may
-          // change, so directly walking the tree here may call activated hooks
-          // on incorrect children. Instead we push them into a queue which will
-          // be processed after the whole patch process ended.
-          queueActivatedComponent(componentInstance);
-        } else {
-          activateChildComponent(componentInstance, true /* direct */);
-        }
-      }
-    },
-
-    destroy: function destroy (vnode) {
-      var componentInstance = vnode.componentInstance;
-      if (!componentInstance._isDestroyed) {
-        if (!vnode.data.keepAlive) {
-          componentInstance.$destroy();
-        } else {
-          deactivateChildComponent(componentInstance, true /* direct */);
-        }
-      }
-    }
-  };
-
-  var hooksToMerge = Object.keys(componentVNodeHooks);
-
-  function createComponent (
-    Ctor,
-    data,
-    context,
-    children,
-    tag
-  ) {
-    if (isUndef(Ctor)) {
-      return
-    }
-
-    var baseCtor = context.$options._base;
-
-    // plain options object: turn it into a constructor
-    if (isObject(Ctor)) {
-      Ctor = baseCtor.extend(Ctor);
-    }
-
-    // if at this stage it's not a constructor or an async component factory,
-    // reject.
-    if (typeof Ctor !== 'function') {
-      {
-        warn(("Invalid Component definition: " + (String(Ctor))), context);
-      }
-      return
-    }
-
-    // async component
-    var asyncFactory;
-    if (isUndef(Ctor.cid)) {
-      asyncFactory = Ctor;
-      Ctor = resolveAsyncComponent(asyncFactory, baseCtor);
-      if (Ctor === undefined) {
-        // return a placeholder node for async component, which is rendered
-        // as a comment node but preserves all the raw information for the node.
-        // the information will be used for async server-rendering and hydration.
-        return createAsyncPlaceholder(
-          asyncFactory,
-          data,
-          context,
-          children,
-          tag
-        )
-      }
-    }
-
-    data = data || {};
-
-    // resolve constructor options in case global mixins are applied after
-    // component constructor creation
-    resolveConstructorOptions(Ctor);
-
-    // transform component v-model data into props & events
-    if (isDef(data.model)) {
-      transformModel(Ctor.options, data);
-    }
-
-    // extract props
-    var propsData = extractPropsFromVNodeData(data, Ctor, tag);
-
-    // functional component
-    if (isTrue(Ctor.options.functional)) {
-      return createFunctionalComponent(Ctor, propsData, data, context, children)
-    }
-
-    // extract listeners, since these needs to be treated as
-    // child component listeners instead of DOM listeners
-    var listeners = data.on;
-    // replace with listeners with .native modifier
-    // so it gets processed during parent component patch.
-    data.on = data.nativeOn;
-
-    if (isTrue(Ctor.options.abstract)) {
-      // abstract components do not keep anything
-      // other than props & listeners & slot
-
-      // work around flow
-      var slot = data.slot;
-      data = {};
-      if (slot) {
-        data.slot = slot;
-      }
-    }
-
-    // install component management hooks onto the placeholder node
-    installComponentHooks(data);
-
-    // return a placeholder vnode
-    var name = Ctor.options.name || tag;
-    var vnode = new VNode(
-      ("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : '')),
-      data, undefined, undefined, undefined, context,
-      { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children },
-      asyncFactory
-    );
-
-    return vnode
-  }
-
-  function createComponentInstanceForVnode (
-    // we know it's MountedComponentVNode but flow doesn't
-    vnode,
-    // activeInstance in lifecycle state
-    parent
-  ) {
-    var options = {
-      _isComponent: true,
-      _parentVnode: vnode,
-      parent: parent
-    };
-    // check inline-template render functions
-    var inlineTemplate = vnode.data.inlineTemplate;
-    if (isDef(inlineTemplate)) {
-      options.render = inlineTemplate.render;
-      options.staticRenderFns = inlineTemplate.staticRenderFns;
-    }
-    return new vnode.componentOptions.Ctor(options)
-  }
-
-  function installComponentHooks (data) {
-    var hooks = data.hook || (data.hook = {});
-    for (var i = 0; i < hooksToMerge.length; i++) {
-      var key = hooksToMerge[i];
-      var existing = hooks[key];
-      var toMerge = componentVNodeHooks[key];
-      if (existing !== toMerge && !(existing && existing._merged)) {
-        hooks[key] = existing ? mergeHook$1(toMerge, existing) : toMerge;
-      }
-    }
-  }
-
-  function mergeHook$1 (f1, f2) {
-    var merged = function (a, b) {
-      // flow complains about extra args which is why we use any
-      f1(a, b);
-      f2(a, b);
-    };
-    merged._merged = true;
-    return merged
-  }
-
-  // transform component v-model info (value and callback) into
-  // prop and event handler respectively.
-  function transformModel (options, data) {
-    var prop = (options.model && options.model.prop) || 'value';
-    var event = (options.model && options.model.event) || 'input'
-    ;(data.attrs || (data.attrs = {}))[prop] = data.model.value;
-    var on = data.on || (data.on = {});
-    var existing = on[event];
-    var callback = data.model.callback;
-    if (isDef(existing)) {
-      if (
-        Array.isArray(existing)
-          ? existing.indexOf(callback) === -1
-          : existing !== callback
-      ) {
-        on[event] = [callback].concat(existing);
-      }
-    } else {
-      on[event] = callback;
-    }
-  }
-
-  /*  */
-
-  var SIMPLE_NORMALIZE = 1;
-  var ALWAYS_NORMALIZE = 2;
-
-  // wrapper function for providing a more flexible interface
-  // without getting yelled at by flow
-  function createElement (
-    context,
-    tag,
-    data,
-    children,
-    normalizationType,
-    alwaysNormalize
-  ) {
-    if (Array.isArray(data) || isPrimitive(data)) {
-      normalizationType = children;
-      children = data;
-      data = undefined;
-    }
-    if (isTrue(alwaysNormalize)) {
-      normalizationType = ALWAYS_NORMALIZE;
-    }
-    return _createElement(context, tag, data, children, normalizationType)
-  }
-
-  function _createElement (
-    context,
-    tag,
-    data,
-    children,
-    normalizationType
-  ) {
-    if (isDef(data) && isDef((data).__ob__)) {
-      warn(
-        "Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" +
-        'Always create fresh vnode data objects in each render!',
-        context
-      );
-      return createEmptyVNode()
-    }
-    // object syntax in v-bind
-    if (isDef(data) && isDef(data.is)) {
-      tag = data.is;
-    }
-    if (!tag) {
-      // in case of component :is set to falsy value
-      return createEmptyVNode()
-    }
-    // warn against non-primitive key
-    if (isDef(data) && isDef(data.key) && !isPrimitive(data.key)
-    ) {
-      {
-        warn(
-          'Avoid using non-primitive value as key, ' +
-          'use string/number value instead.',
-          context
-        );
-      }
-    }
-    // support single function children as default scoped slot
-    if (Array.isArray(children) &&
-      typeof children[0] === 'function'
-    ) {
-      data = data || {};
-      data.scopedSlots = { default: children[0] };
-      children.length = 0;
-    }
-    if (normalizationType === ALWAYS_NORMALIZE) {
-      children = normalizeChildren(children);
-    } else if (normalizationType === SIMPLE_NORMALIZE) {
-      children = simpleNormalizeChildren(children);
-    }
-    var vnode, ns;
-    if (typeof tag === 'string') {
-      var Ctor;
-      ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag);
-      if (config.isReservedTag(tag)) {
-        // platform built-in elements
-        if (isDef(data) && isDef(data.nativeOn) && data.tag !== 'component') {
-          warn(
-            ("The .native modifier for v-on is only valid on components but it was used on <" + tag + ">."),
-            context
-          );
-        }
-        vnode = new VNode(
-          config.parsePlatformTagName(tag), data, children,
-          undefined, undefined, context
-        );
-      } else if ((!data || !data.pre) && isDef(Ctor = resolveAsset(context.$options, 'components', tag))) {
-        // component
-        vnode = createComponent(Ctor, data, context, children, tag);
-      } else {
-        // unknown or unlisted namespaced elements
-        // check at runtime because it may get assigned a namespace when its
-        // parent normalizes children
-        vnode = new VNode(
-          tag, data, children,
-          undefined, undefined, context
-        );
-      }
-    } else {
-      // direct component options / constructor
-      vnode = createComponent(tag, data, context, children);
-    }
-    if (Array.isArray(vnode)) {
-      return vnode
-    } else if (isDef(vnode)) {
-      if (isDef(ns)) { applyNS(vnode, ns); }
-      if (isDef(data)) { registerDeepBindings(data); }
-      return vnode
-    } else {
-      return createEmptyVNode()
-    }
-  }
-
-  function applyNS (vnode, ns, force) {
-    vnode.ns = ns;
-    if (vnode.tag === 'foreignObject') {
-      // use default namespace inside foreignObject
-      ns = undefined;
-      force = true;
-    }
-    if (isDef(vnode.children)) {
-      for (var i = 0, l = vnode.children.length; i < l; i++) {
-        var child = vnode.children[i];
-        if (isDef(child.tag) && (
-          isUndef(child.ns) || (isTrue(force) && child.tag !== 'svg'))) {
-          applyNS(child, ns, force);
-        }
-      }
-    }
-  }
-
-  // ref #5318
-  // necessary to ensure parent re-render when deep bindings like :style and
-  // :class are used on slot nodes
-  function registerDeepBindings (data) {
-    if (isObject(data.style)) {
-      traverse(data.style);
-    }
-    if (isObject(data.class)) {
-      traverse(data.class);
-    }
-  }
-
-  /*  */
-
-  function initRender (vm) {
-    vm._vnode = null; // the root of the child tree
-    vm._staticTrees = null; // v-once cached trees
-    var options = vm.$options;
-    var parentVnode = vm.$vnode = options._parentVnode; // the placeholder node in parent tree
-    var renderContext = parentVnode && parentVnode.context;
-    vm.$slots = resolveSlots(options._renderChildren, renderContext);
-    vm.$scopedSlots = emptyObject;
-    // bind the createElement fn to this instance
-    // so that we get proper render context inside it.
-    // args order: tag, data, children, normalizationType, alwaysNormalize
-    // internal version is used by render functions compiled from templates
-    vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); };
-    // normalization is always applied for the public version, used in
-    // user-written render functions.
-    vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); };
-
-    // $attrs & $listeners are exposed for easier HOC creation.
-    // they need to be reactive so that HOCs using them are always updated
-    var parentData = parentVnode && parentVnode.data;
-
-    /* istanbul ignore else */
-    {
-      defineReactive$$1(vm, '$attrs', parentData && parentData.attrs || emptyObject, function () {
-        !isUpdatingChildComponent && warn("$attrs is readonly.", vm);
-      }, true);
-      defineReactive$$1(vm, '$listeners', options._parentListeners || emptyObject, function () {
-        !isUpdatingChildComponent && warn("$listeners is readonly.", vm);
-      }, true);
-    }
-  }
-
-  var currentRenderingInstance = null;
-
-  function renderMixin (Vue) {
-    // install runtime convenience helpers
-    installRenderHelpers(Vue.prototype);
-
-    Vue.prototype.$nextTick = function (fn) {
-      return nextTick(fn, this)
-    };
-
-    Vue.prototype._render = function () {
-      var vm = this;
-      var ref = vm.$options;
-      var render = ref.render;
-      var _parentVnode = ref._parentVnode;
-
-      if (_parentVnode) {
-        vm.$scopedSlots = normalizeScopedSlots(
-          _parentVnode.data.scopedSlots,
-          vm.$slots,
-          vm.$scopedSlots
-        );
-      }
-
-      // set parent vnode. this allows render functions to have access
-      // to the data on the placeholder node.
-      vm.$vnode = _parentVnode;
-      // render self
-      var vnode;
-      try {
-        // There's no need to maintain a stack because all render fns are called
-        // separately from one another. Nested component's render fns are called
-        // when parent component is patched.
-        currentRenderingInstance = vm;
-        vnode = render.call(vm._renderProxy, vm.$createElement);
-      } catch (e) {
-        handleError(e, vm, "render");
-        // return error render result,
-        // or previous vnode to prevent render error causing blank component
-        /* istanbul ignore else */
-        if (vm.$options.renderError) {
-          try {
-            vnode = vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e);
-          } catch (e) {
-            handleError(e, vm, "renderError");
-            vnode = vm._vnode;
-          }
-        } else {
-          vnode = vm._vnode;
-        }
-      } finally {
-        currentRenderingInstance = null;
-      }
-      // if the returned array contains only a single node, allow it
-      if (Array.isArray(vnode) && vnode.length === 1) {
-        vnode = vnode[0];
-      }
-      // return empty vnode in case the render function errored out
-      if (!(vnode instanceof VNode)) {
-        if (Array.isArray(vnode)) {
-          warn(
-            'Multiple root nodes returned from render function. Render function ' +
-            'should return a single root node.',
-            vm
-          );
-        }
-        vnode = createEmptyVNode();
-      }
-      // set parent
-      vnode.parent = _parentVnode;
-      return vnode
-    };
-  }
-
-  /*  */
-
-  function ensureCtor (comp, base) {
-    if (
-      comp.__esModule ||
-      (hasSymbol && comp[Symbol.toStringTag] === 'Module')
-    ) {
-      comp = comp.default;
-    }
-    return isObject(comp)
-      ? base.extend(comp)
-      : comp
-  }
-
-  function createAsyncPlaceholder (
-    factory,
-    data,
-    context,
-    children,
-    tag
-  ) {
-    var node = createEmptyVNode();
-    node.asyncFactory = factory;
-    node.asyncMeta = { data: data, context: context, children: children, tag: tag };
-    return node
-  }
-
-  function resolveAsyncComponent (
-    factory,
-    baseCtor
-  ) {
-    if (isTrue(factory.error) && isDef(factory.errorComp)) {
-      return factory.errorComp
-    }
-
-    if (isDef(factory.resolved)) {
-      return factory.resolved
-    }
-
-    var owner = currentRenderingInstance;
-    if (owner && isDef(factory.owners) && factory.owners.indexOf(owner) === -1) {
-      // already pending
-      factory.owners.push(owner);
-    }
-
-    if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
-      return factory.loadingComp
-    }
-
-    if (owner && !isDef(factory.owners)) {
-      var owners = factory.owners = [owner];
-      var sync = true;
-      var timerLoading = null;
-      var timerTimeout = null
-
-      ;(owner).$on('hook:destroyed', function () { return remove(owners, owner); });
-
-      var forceRender = function (renderCompleted) {
-        for (var i = 0, l = owners.length; i < l; i++) {
-          (owners[i]).$forceUpdate();
-        }
-
-        if (renderCompleted) {
-          owners.length = 0;
-          if (timerLoading !== null) {
-            clearTimeout(timerLoading);
-            timerLoading = null;
-          }
-          if (timerTimeout !== null) {
-            clearTimeout(timerTimeout);
-            timerTimeout = null;
-          }
-        }
-      };
-
-      var resolve = once(function (res) {
-        // cache resolved
-        factory.resolved = ensureCtor(res, baseCtor);
-        // invoke callbacks only if this is not a synchronous resolve
-        // (async resolves are shimmed as synchronous during SSR)
-        if (!sync) {
-          forceRender(true);
-        } else {
-          owners.length = 0;
-        }
-      });
-
-      var reject = once(function (reason) {
-        warn(
-          "Failed to resolve async component: " + (String(factory)) +
-          (reason ? ("\nReason: " + reason) : '')
-        );
-        if (isDef(factory.errorComp)) {
-          factory.error = true;
-          forceRender(true);
-        }
-      });
-
-      var res = factory(resolve, reject);
-
-      if (isObject(res)) {
-        if (isPromise(res)) {
-          // () => Promise
-          if (isUndef(factory.resolved)) {
-            res.then(resolve, reject);
-          }
-        } else if (isPromise(res.component)) {
-          res.component.then(resolve, reject);
-
-          if (isDef(res.error)) {
-            factory.errorComp = ensureCtor(res.error, baseCtor);
-          }
-
-          if (isDef(res.loading)) {
-            factory.loadingComp = ensureCtor(res.loading, baseCtor);
-            if (res.delay === 0) {
-              factory.loading = true;
-            } else {
-              timerLoading = setTimeout(function () {
-                timerLoading = null;
-                if (isUndef(factory.resolved) && isUndef(factory.error)) {
-                  factory.loading = true;
-                  forceRender(false);
-                }
-              }, res.delay || 200);
-            }
-          }
-
-          if (isDef(res.timeout)) {
-            timerTimeout = setTimeout(function () {
-              timerTimeout = null;
-              if (isUndef(factory.resolved)) {
-                reject(
-                  "timeout (" + (res.timeout) + "ms)"
-                );
-              }
-            }, res.timeout);
-          }
-        }
-      }
-
-      sync = false;
-      // return in case resolved synchronously
-      return factory.loading
-        ? factory.loadingComp
-        : factory.resolved
-    }
-  }
-
-  /*  */
-
-  function getFirstComponentChild (children) {
-    if (Array.isArray(children)) {
-      for (var i = 0; i < children.length; i++) {
-        var c = children[i];
-        if (isDef(c) && (isDef(c.componentOptions) || isAsyncPlaceholder(c))) {
-          return c
-        }
-      }
-    }
-  }
-
-  /*  */
-
-  /*  */
-
-  function initEvents (vm) {
-    vm._events = Object.create(null);
-    vm._hasHookEvent = false;
-    // init parent attached events
-    var listeners = vm.$options._parentListeners;
-    if (listeners) {
-      updateComponentListeners(vm, listeners);
-    }
-  }
-
-  var target;
-
-  function add (event, fn) {
-    target.$on(event, fn);
-  }
-
-  function remove$1 (event, fn) {
-    target.$off(event, fn);
-  }
-
-  function createOnceHandler (event, fn) {
-    var _target = target;
-    return function onceHandler () {
-      var res = fn.apply(null, arguments);
-      if (res !== null) {
-        _target.$off(event, onceHandler);
-      }
-    }
-  }
-
-  function updateComponentListeners (
-    vm,
-    listeners,
-    oldListeners
-  ) {
-    target = vm;
-    updateListeners(listeners, oldListeners || {}, add, remove$1, createOnceHandler, vm);
-    target = undefined;
-  }
-
-  function eventsMixin (Vue) {
-    var hookRE = /^hook:/;
-    Vue.prototype.$on = function (event, fn) {
-      var vm = this;
-      if (Array.isArray(event)) {
-        for (var i = 0, l = event.length; i < l; i++) {
-          vm.$on(event[i], fn);
-        }
-      } else {
-        (vm._events[event] || (vm._events[event] = [])).push(fn);
-        // optimize hook:event cost by using a boolean flag marked at registration
-        // instead of a hash lookup
-        if (hookRE.test(event)) {
-          vm._hasHookEvent = true;
-        }
-      }
-      return vm
-    };
-
-    Vue.prototype.$once = function (event, fn) {
-      var vm = this;
-      function on () {
-        vm.$off(event, on);
-        fn.apply(vm, arguments);
-      }
-      on.fn = fn;
-      vm.$on(event, on);
-      return vm
-    };
-
-    Vue.prototype.$off = function (event, fn) {
-      var vm = this;
-      // all
-      if (!arguments.length) {
-        vm._events = Object.create(null);
-        return vm
-      }
-      // array of events
-      if (Array.isArray(event)) {
-        for (var i$1 = 0, l = event.length; i$1 < l; i$1++) {
-          vm.$off(event[i$1], fn);
-        }
-        return vm
-      }
-      // specific event
-      var cbs = vm._events[event];
-      if (!cbs) {
-        return vm
-      }
-      if (!fn) {
-        vm._events[event] = null;
-        return vm
-      }
-      // specific handler
-      var cb;
-      var i = cbs.length;
-      while (i--) {
-        cb = cbs[i];
-        if (cb === fn || cb.fn === fn) {
-          cbs.splice(i, 1);
-          break
-        }
-      }
-      return vm
-    };
-
-    Vue.prototype.$emit = function (event) {
-      var vm = this;
-      {
-        var lowerCaseEvent = event.toLowerCase();
-        if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) {
-          tip(
-            "Event \"" + lowerCaseEvent + "\" is emitted in component " +
-            (formatComponentName(vm)) + " but the handler is registered for \"" + event + "\". " +
-            "Note that HTML attributes are case-insensitive and you cannot use " +
-            "v-on to listen to camelCase events when using in-DOM templates. " +
-            "You should probably use \"" + (hyphenate(event)) + "\" instead of \"" + event + "\"."
-          );
-        }
-      }
-      var cbs = vm._events[event];
-      if (cbs) {
-        cbs = cbs.length > 1 ? toArray(cbs) : cbs;
-        var args = toArray(arguments, 1);
-        var info = "event handler for \"" + event + "\"";
-        for (var i = 0, l = cbs.length; i < l; i++) {
-          invokeWithErrorHandling(cbs[i], vm, args, vm, info);
-        }
-      }
-      return vm
-    };
-  }
-
-  /*  */
-
-  var activeInstance = null;
-  var isUpdatingChildComponent = false;
-
-  function setActiveInstance(vm) {
-    var prevActiveInstance = activeInstance;
-    activeInstance = vm;
-    return function () {
-      activeInstance = prevActiveInstance;
-    }
-  }
-
-  function initLifecycle (vm) {
-    var options = vm.$options;
-
-    // locate first non-abstract parent
-    var parent = options.parent;
-    if (parent && !options.abstract) {
-      while (parent.$options.abstract && parent.$parent) {
-        parent = parent.$parent;
-      }
-      parent.$children.push(vm);
-    }
-
-    vm.$parent = parent;
-    vm.$root = parent ? parent.$root : vm;
-
-    vm.$children = [];
-    vm.$refs = {};
-
-    vm._watcher = null;
-    vm._inactive = null;
-    vm._directInactive = false;
-    vm._isMounted = false;
-    vm._isDestroyed = false;
-    vm._isBeingDestroyed = false;
-  }
-
-  function lifecycleMixin (Vue) {
-    Vue.prototype._update = function (vnode, hydrating) {
-      var vm = this;
-      var prevEl = vm.$el;
-      var prevVnode = vm._vnode;
-      var restoreActiveInstance = setActiveInstance(vm);
-      vm._vnode = vnode;
-      // Vue.prototype.__patch__ is injected in entry points
-      // based on the rendering backend used.
-      if (!prevVnode) {
-        // initial render
-        vm.$el = vm.__patch__(vm.$el, vnode, hydrating, false /* removeOnly */);
-      } else {
-        // updates
-        vm.$el = vm.__patch__(prevVnode, vnode);
-      }
-      restoreActiveInstance();
-      // update __vue__ reference
-      if (prevEl) {
-        prevEl.__vue__ = null;
-      }
-      if (vm.$el) {
-        vm.$el.__vue__ = vm;
-      }
-      // if parent is an HOC, update its $el as well
-      if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
-        vm.$parent.$el = vm.$el;
-      }
-      // updated hook is called by the scheduler to ensure that children are
-      // updated in a parent's updated hook.
-    };
-
-    Vue.prototype.$forceUpdate = function () {
-      var vm = this;
-      if (vm._watcher) {
-        vm._watcher.update();
-      }
-    };
-
-    Vue.prototype.$destroy = function () {
-      var vm = this;
-      if (vm._isBeingDestroyed) {
-        return
-      }
-      callHook(vm, 'beforeDestroy');
-      vm._isBeingDestroyed = true;
-      // remove self from parent
-      var parent = vm.$parent;
-      if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
-        remove(parent.$children, vm);
-      }
-      // teardown watchers
-      if (vm._watcher) {
-        vm._watcher.teardown();
-      }
-      var i = vm._watchers.length;
-      while (i--) {
-        vm._watchers[i].teardown();
-      }
-      // remove reference from data ob
-      // frozen object may not have observer.
-      if (vm._data.__ob__) {
-        vm._data.__ob__.vmCount--;
-      }
-      // call the last hook...
-      vm._isDestroyed = true;
-      // invoke destroy hooks on current rendered tree
-      vm.__patch__(vm._vnode, null);
-      // fire destroyed hook
-      callHook(vm, 'destroyed');
-      // turn off all instance listeners.
-      vm.$off();
-      // remove __vue__ reference
-      if (vm.$el) {
-        vm.$el.__vue__ = null;
-      }
-      // release circular reference (#6759)
-      if (vm.$vnode) {
-        vm.$vnode.parent = null;
-      }
-    };
-  }
-
-  function mountComponent (
-    vm,
-    el,
-    hydrating
-  ) {
-    vm.$el = el;
-    if (!vm.$options.render) {
-      vm.$options.render = createEmptyVNode;
-      {
-        /* istanbul ignore if */
-        if ((vm.$options.template && vm.$options.template.charAt(0) !== '#') ||
-          vm.$options.el || el) {
-          warn(
-            'You are using the runtime-only build of Vue where the template ' +
-            'compiler is not available. Either pre-compile the templates into ' +
-            'render functions, or use the compiler-included build.',
-            vm
-          );
-        } else {
-          warn(
-            'Failed to mount component: template or render function not defined.',
-            vm
-          );
-        }
-      }
-    }
-    callHook(vm, 'beforeMount');
-
-    var updateComponent;
-    /* istanbul ignore if */
-    if (config.performance && mark) {
-      updateComponent = function () {
-        var name = vm._name;
-        var id = vm._uid;
-        var startTag = "vue-perf-start:" + id;
-        var endTag = "vue-perf-end:" + id;
-
-        mark(startTag);
-        var vnode = vm._render();
-        mark(endTag);
-        measure(("vue " + name + " render"), startTag, endTag);
-
-        mark(startTag);
-        vm._update(vnode, hydrating);
-        mark(endTag);
-        measure(("vue " + name + " patch"), startTag, endTag);
-      };
-    } else {
-      updateComponent = function () {
-        vm._update(vm._render(), hydrating);
-      };
-    }
-
-    // we set this to vm._watcher inside the watcher's constructor
-    // since the watcher's initial patch may call $forceUpdate (e.g. inside child
-    // component's mounted hook), which relies on vm._watcher being already defined
-    new Watcher(vm, updateComponent, noop, {
-      before: function before () {
-        if (vm._isMounted && !vm._isDestroyed) {
-          callHook(vm, 'beforeUpdate');
-        }
-      }
-    }, true /* isRenderWatcher */);
-    hydrating = false;
-
-    // manually mounted instance, call mounted on self
-    // mounted is called for render-created child components in its inserted hook
-    if (vm.$vnode == null) {
-      vm._isMounted = true;
-      callHook(vm, 'mounted');
-    }
-    return vm
-  }
-
-  function updateChildComponent (
-    vm,
-    propsData,
-    listeners,
-    parentVnode,
-    renderChildren
-  ) {
-    {
-      isUpdatingChildComponent = true;
-    }
-
-    // determine whether component has slot children
-    // we need to do this before overwriting $options._renderChildren.
-
-    // check if there are dynamic scopedSlots (hand-written or compiled but with
-    // dynamic slot names). Static scoped slots compiled from template has the
-    // "$stable" marker.
-    var newScopedSlots = parentVnode.data.scopedSlots;
-    var oldScopedSlots = vm.$scopedSlots;
-    var hasDynamicScopedSlot = !!(
-      (newScopedSlots && !newScopedSlots.$stable) ||
-      (oldScopedSlots !== emptyObject && !oldScopedSlots.$stable) ||
-      (newScopedSlots && vm.$scopedSlots.$key !== newScopedSlots.$key) ||
-      (!newScopedSlots && vm.$scopedSlots.$key)
-    );
-
-    // Any static slot children from the parent may have changed during parent's
-    // update. Dynamic scoped slots may also have changed. In such cases, a forced
-    // update is necessary to ensure correctness.
-    var needsForceUpdate = !!(
-      renderChildren ||               // has new static slots
-      vm.$options._renderChildren ||  // has old static slots
-      hasDynamicScopedSlot
-    );
-
-    vm.$options._parentVnode = parentVnode;
-    vm.$vnode = parentVnode; // update vm's placeholder node without re-render
-
-    if (vm._vnode) { // update child tree's parent
-      vm._vnode.parent = parentVnode;
-    }
-    vm.$options._renderChildren = renderChildren;
-
-    // update $attrs and $listeners hash
-    // these are also reactive so they may trigger child update if the child
-    // used them during render
-    vm.$attrs = parentVnode.data.attrs || emptyObject;
-    vm.$listeners = listeners || emptyObject;
-
-    // update props
-    if (propsData && vm.$options.props) {
-      toggleObserving(false);
-      var props = vm._props;
-      var propKeys = vm.$options._propKeys || [];
-      for (var i = 0; i < propKeys.length; i++) {
-        var key = propKeys[i];
-        var propOptions = vm.$options.props; // wtf flow?
-        props[key] = validateProp(key, propOptions, propsData, vm);
-      }
-      toggleObserving(true);
-      // keep a copy of raw propsData
-      vm.$options.propsData = propsData;
-    }
-
-    // update listeners
-    listeners = listeners || emptyObject;
-    var oldListeners = vm.$options._parentListeners;
-    vm.$options._parentListeners = listeners;
-    updateComponentListeners(vm, listeners, oldListeners);
-
-    // resolve slots + force update if has children
-    if (needsForceUpdate) {
-      vm.$slots = resolveSlots(renderChildren, parentVnode.context);
-      vm.$forceUpdate();
-    }
-
-    {
-      isUpdatingChildComponent = false;
-    }
-  }
-
-  function isInInactiveTree (vm) {
-    while (vm && (vm = vm.$parent)) {
-      if (vm._inactive) { return true }
-    }
-    return false
-  }
-
-  function activateChildComponent (vm, direct) {
-    if (direct) {
-      vm._directInactive = false;
-      if (isInInactiveTree(vm)) {
-        return
-      }
-    } else if (vm._directInactive) {
-      return
-    }
-    if (vm._inactive || vm._inactive === null) {
-      vm._inactive = false;
-      for (var i = 0; i < vm.$children.length; i++) {
-        activateChildComponent(vm.$children[i]);
-      }
-      callHook(vm, 'activated');
-    }
-  }
-
-  function deactivateChildComponent (vm, direct) {
-    if (direct) {
-      vm._directInactive = true;
-      if (isInInactiveTree(vm)) {
-        return
-      }
-    }
-    if (!vm._inactive) {
-      vm._inactive = true;
-      for (var i = 0; i < vm.$children.length; i++) {
-        deactivateChildComponent(vm.$children[i]);
-      }
-      callHook(vm, 'deactivated');
-    }
-  }
-
-  function callHook (vm, hook) {
-    // #7573 disable dep collection when invoking lifecycle hooks
-    pushTarget();
-    var handlers = vm.$options[hook];
-    var info = hook + " hook";
-    if (handlers) {
-      for (var i = 0, j = handlers.length; i < j; i++) {
-        invokeWithErrorHandling(handlers[i], vm, null, vm, info);
-      }
-    }
-    if (vm._hasHookEvent) {
-      vm.$emit('hook:' + hook);
-    }
-    popTarget();
-  }
-
-  /*  */
-
-  var MAX_UPDATE_COUNT = 100;
-
-  var queue = [];
-  var activatedChildren = [];
-  var has = {};
-  var circular = {};
-  var waiting = false;
-  var flushing = false;
-  var index = 0;
-
-  /**
-   * Reset the scheduler's state.
-   */
-  function resetSchedulerState () {
-    index = queue.length = activatedChildren.length = 0;
-    has = {};
-    {
-      circular = {};
-    }
-    waiting = flushing = false;
-  }
-
-  // Async edge case #6566 requires saving the timestamp when event listeners are
-  // attached. However, calling performance.now() has a perf overhead especially
-  // if the page has thousands of event listeners. Instead, we take a timestamp
-  // every time the scheduler flushes and use that for all event listeners
-  // attached during that flush.
-  var currentFlushTimestamp = 0;
-
-  // Async edge case fix requires storing an event listener's attach timestamp.
-  var getNow = Date.now;
-
-  // Determine what event timestamp the browser is using. Annoyingly, the
-  // timestamp can either be hi-res (relative to page load) or low-res
-  // (relative to UNIX epoch), so in order to compare time we have to use the
-  // same timestamp type when saving the flush timestamp.
-  // All IE versions use low-res event timestamps, and have problematic clock
-  // implementations (#9632)
-  if (inBrowser && !isIE) {
-    var performance = window.performance;
-    if (
-      performance &&
-      typeof performance.now === 'function' &&
-      getNow() > document.createEvent('Event').timeStamp
-    ) {
-      // if the event timestamp, although evaluated AFTER the Date.now(), is
-      // smaller than it, it means the event is using a hi-res timestamp,
-      // and we need to use the hi-res version for event listener timestamps as
-      // well.
-      getNow = function () { return performance.now(); };
-    }
-  }
-
-  /**
-   * Flush both queues and run the watchers.
-   */
-  function flushSchedulerQueue () {
-    currentFlushTimestamp = getNow();
-    flushing = true;
-    var watcher, id;
-
-    // Sort queue before flush.
-    // This ensures that:
-    // 1. Components are updated from parent to child. (because parent is always
-    //    created before the child)
-    // 2. A component's user watchers are run before its render watcher (because
-    //    user watchers are created before the render watcher)
-    // 3. If a component is destroyed during a parent component's watcher run,
-    //    its watchers can be skipped.
-    queue.sort(function (a, b) { return a.id - b.id; });
-
-    // do not cache length because more watchers might be pushed
-    // as we run existing watchers
-    for (index = 0; index < queue.length; index++) {
-      watcher = queue[index];
-      if (watcher.before) {
-        watcher.before();
-      }
-      id = watcher.id;
-      has[id] = null;
-      watcher.run();
-      // in dev build, check and stop circular updates.
-      if (has[id] != null) {
-        circular[id] = (circular[id] || 0) + 1;
-        if (circular[id] > MAX_UPDATE_COUNT) {
-          warn(
-            'You may have an infinite update loop ' + (
-              watcher.user
-                ? ("in watcher with expression \"" + (watcher.expression) + "\"")
-                : "in a component render function."
-            ),
-            watcher.vm
-          );
-          break
-        }
-      }
-    }
-
-    // keep copies of post queues before resetting state
-    var activatedQueue = activatedChildren.slice();
-    var updatedQueue = queue.slice();
-
-    resetSchedulerState();
-
-    // call component updated and activated hooks
-    callActivatedHooks(activatedQueue);
-    callUpdatedHooks(updatedQueue);
-
-    // devtool hook
-    /* istanbul ignore if */
-    if (devtools && config.devtools) {
-      devtools.emit('flush');
-    }
-  }
-
-  function callUpdatedHooks (queue) {
-    var i = queue.length;
-    while (i--) {
-      var watcher = queue[i];
-      var vm = watcher.vm;
-      if (vm._watcher === watcher && vm._isMounted && !vm._isDestroyed) {
-        callHook(vm, 'updated');
-      }
-    }
-  }
-
-  /**
-   * Queue a kept-alive component that was activated during patch.
-   * The queue will be processed after the entire tree has been patched.
-   */
-  function queueActivatedComponent (vm) {
-    // setting _inactive to false here so that a render function can
-    // rely on checking whether it's in an inactive tree (e.g. router-view)
-    vm._inactive = false;
-    activatedChildren.push(vm);
-  }
-
-  function callActivatedHooks (queue) {
-    for (var i = 0; i < queue.length; i++) {
-      queue[i]._inactive = true;
-      activateChildComponent(queue[i], true /* true */);
-    }
-  }
-
-  /**
-   * Push a watcher into the watcher queue.
-   * Jobs with duplicate IDs will be skipped unless it's
-   * pushed when the queue is being flushed.
-   */
-  function queueWatcher (watcher) {
-    var id = watcher.id;
-    if (has[id] == null) {
-      has[id] = true;
-      if (!flushing) {
-        queue.push(watcher);
-      } else {
-        // if already flushing, splice the watcher based on its id
-        // if already past its id, it will be run next immediately.
-        var i = queue.length - 1;
-        while (i > index && queue[i].id > watcher.id) {
-          i--;
-        }
-        queue.splice(i + 1, 0, watcher);
-      }
-      // queue the flush
-      if (!waiting) {
-        waiting = true;
-
-        if (!config.async) {
-          flushSchedulerQueue();
-          return
-        }
-        nextTick(flushSchedulerQueue);
-      }
-    }
-  }
-
-  /*  */
-
-
-
-  var uid$2 = 0;
-
-  /**
-   * A watcher parses an expression, collects dependencies,
-   * and fires callback when the expression value changes.
-   * This is used for both the $watch() api and directives.
-   */
-  var Watcher = function Watcher (
-    vm,
-    expOrFn,
-    cb,
-    options,
-    isRenderWatcher
-  ) {
-    this.vm = vm;
-    if (isRenderWatcher) {
-      vm._watcher = this;
-    }
-    vm._watchers.push(this);
-    // options
-    if (options) {
-      this.deep = !!options.deep;
-      this.user = !!options.user;
-      this.lazy = !!options.lazy;
-      this.sync = !!options.sync;
-      this.before = options.before;
-    } else {
-      this.deep = this.user = this.lazy = this.sync = false;
-    }
-    this.cb = cb;
-    this.id = ++uid$2; // uid for batching
-    this.active = true;
-    this.dirty = this.lazy; // for lazy watchers
-    this.deps = [];
-    this.newDeps = [];
-    this.depIds = new _Set();
-    this.newDepIds = new _Set();
-    this.expression = expOrFn.toString();
-    // parse expression for getter
-    if (typeof expOrFn === 'function') {
-      this.getter = expOrFn;
-    } else {
-      this.getter = parsePath(expOrFn);
-      if (!this.getter) {
-        this.getter = noop;
-        warn(
-          "Failed watching path: \"" + expOrFn + "\" " +
-          'Watcher only accepts simple dot-delimited paths. ' +
-          'For full control, use a function instead.',
-          vm
-        );
-      }
-    }
-    this.value = this.lazy
-      ? undefined
-      : this.get();
-  };
-
-  /**
-   * Evaluate the getter, and re-collect dependencies.
-   */
-  Watcher.prototype.get = function get () {
-    pushTarget(this);
-    var value;
-    var vm = this.vm;
-    try {
-      value = this.getter.call(vm, vm);
-    } catch (e) {
-      if (this.user) {
-        handleError(e, vm, ("getter for watcher \"" + (this.expression) + "\""));
-      } else {
-        throw e
-      }
-    } finally {
-      // "touch" every property so they are all tracked as
-      // dependencies for deep watching
-      if (this.deep) {
-        traverse(value);
-      }
-      popTarget();
-      this.cleanupDeps();
-    }
-    return value
-  };
-
-  /**
-   * Add a dependency to this directive.
-   */
-  Watcher.prototype.addDep = function addDep (dep) {
-    var id = dep.id;
-    if (!this.newDepIds.has(id)) {
-      this.newDepIds.add(id);
-      this.newDeps.push(dep);
-      if (!this.depIds.has(id)) {
-        dep.addSub(this);
-      }
-    }
-  };
-
-  /**
-   * Clean up for dependency collection.
-   */
-  Watcher.prototype.cleanupDeps = function cleanupDeps () {
-    var i = this.deps.length;
-    while (i--) {
-      var dep = this.deps[i];
-      if (!this.newDepIds.has(dep.id)) {
-        dep.removeSub(this);
-      }
-    }
-    var tmp = this.depIds;
-    this.depIds = this.newDepIds;
-    this.newDepIds = tmp;
-    this.newDepIds.clear();
-    tmp = this.deps;
-    this.deps = this.newDeps;
-    this.newDeps = tmp;
-    this.newDeps.length = 0;
-  };
-
-  /**
-   * Subscriber interface.
-   * Will be called when a dependency changes.
-   */
-  Watcher.prototype.update = function update () {
-    /* istanbul ignore else */
-    if (this.lazy) {
-      this.dirty = true;
-    } else if (this.sync) {
-      this.run();
-    } else {
-      queueWatcher(this);
-    }
-  };
-
-  /**
-   * Scheduler job interface.
-   * Will be called by the scheduler.
-   */
-  Watcher.prototype.run = function run () {
-    if (this.active) {
-      var value = this.get();
-      if (
-        value !== this.value ||
-        // Deep watchers and watchers on Object/Arrays should fire even
-        // when the value is the same, because the value may
-        // have mutated.
-        isObject(value) ||
-        this.deep
-      ) {
-        // set new value
-        var oldValue = this.value;
-        this.value = value;
-        if (this.user) {
-          var info = "callback for watcher \"" + (this.expression) + "\"";
-          invokeWithErrorHandling(this.cb, this.vm, [value, oldValue], this.vm, info);
-        } else {
-          this.cb.call(this.vm, value, oldValue);
-        }
-      }
-    }
-  };
-
-  /**
-   * Evaluate the value of the watcher.
-   * This only gets called for lazy watchers.
-   */
-  Watcher.prototype.evaluate = function evaluate () {
-    this.value = this.get();
-    this.dirty = false;
-  };
-
-  /**
-   * Depend on all deps collected by this watcher.
-   */
-  Watcher.prototype.depend = function depend () {
-    var i = this.deps.length;
-    while (i--) {
-      this.deps[i].depend();
-    }
-  };
-
-  /**
-   * Remove self from all dependencies' subscriber list.
-   */
-  Watcher.prototype.teardown = function teardown () {
-    if (this.active) {
-      // remove self from vm's watcher list
-      // this is a somewhat expensive operation so we skip it
-      // if the vm is being destroyed.
-      if (!this.vm._isBeingDestroyed) {
-        remove(this.vm._watchers, this);
-      }
-      var i = this.deps.length;
-      while (i--) {
-        this.deps[i].removeSub(this);
-      }
-      this.active = false;
-    }
-  };
-
-  /*  */
-
-  var sharedPropertyDefinition = {
-    enumerable: true,
-    configurable: true,
-    get: noop,
-    set: noop
-  };
-
-  function proxy (target, sourceKey, key) {
-    sharedPropertyDefinition.get = function proxyGetter () {
-      return this[sourceKey][key]
-    };
-    sharedPropertyDefinition.set = function proxySetter (val) {
-      this[sourceKey][key] = val;
-    };
-    Object.defineProperty(target, key, sharedPropertyDefinition);
-  }
-
-  function initState (vm) {
-    vm._watchers = [];
-    var opts = vm.$options;
-    if (opts.props) { initProps(vm, opts.props); }
-    if (opts.methods) { initMethods(vm, opts.methods); }
-    if (opts.data) {
-      initData(vm);
-    } else {
-      observe(vm._data = {}, true /* asRootData */);
-    }
-    if (opts.computed) { initComputed(vm, opts.computed); }
-    if (opts.watch && opts.watch !== nativeWatch) {
-      initWatch(vm, opts.watch);
-    }
-  }
-
-  function initProps (vm, propsOptions) {
-    var propsData = vm.$options.propsData || {};
-    var props = vm._props = {};
-    // cache prop keys so that future props updates can iterate using Array
-    // instead of dynamic object key enumeration.
-    var keys = vm.$options._propKeys = [];
-    var isRoot = !vm.$parent;
-    // root instance props should be converted
-    if (!isRoot) {
-      toggleObserving(false);
-    }
-    var loop = function ( key ) {
-      keys.push(key);
-      var value = validateProp(key, propsOptions, propsData, vm);
-      /* istanbul ignore else */
-      {
-        var hyphenatedKey = hyphenate(key);
-        if (isReservedAttribute(hyphenatedKey) ||
-            config.isReservedAttr(hyphenatedKey)) {
-          warn(
-            ("\"" + hyphenatedKey + "\" is a reserved attribute and cannot be used as component prop."),
-            vm
-          );
-        }
-        defineReactive$$1(props, key, value, function () {
-          if (!isRoot && !isUpdatingChildComponent) {
-            warn(
-              "Avoid mutating a prop directly since the value will be " +
-              "overwritten whenever the parent component re-renders. " +
-              "Instead, use a data or computed property based on the prop's " +
-              "value. Prop being mutated: \"" + key + "\"",
-              vm
-            );
-          }
-        });
-      }
-      // static props are already proxied on the component's prototype
-      // during Vue.extend(). We only need to proxy props defined at
-      // instantiation here.
-      if (!(key in vm)) {
-        proxy(vm, "_props", key);
-      }
-    };
-
-    for (var key in propsOptions) loop( key );
-    toggleObserving(true);
-  }
-
-  function initData (vm) {
-    var data = vm.$options.data;
-    data = vm._data = typeof data === 'function'
-      ? getData(data, vm)
-      : data || {};
-    if (!isPlainObject(data)) {
-      data = {};
-      warn(
-        'data functions should return an object:\n' +
-        'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function',
-        vm
-      );
-    }
-    // proxy data on instance
-    var keys = Object.keys(data);
-    var props = vm.$options.props;
-    var methods = vm.$options.methods;
-    var i = keys.length;
-    while (i--) {
-      var key = keys[i];
-      {
-        if (methods && hasOwn(methods, key)) {
-          warn(
-            ("Method \"" + key + "\" has already been defined as a data property."),
-            vm
-          );
-        }
-      }
-      if (props && hasOwn(props, key)) {
-        warn(
-          "The data property \"" + key + "\" is already declared as a prop. " +
-          "Use prop default value instead.",
-          vm
-        );
-      } else if (!isReserved(key)) {
-        proxy(vm, "_data", key);
-      }
-    }
-    // observe data
-    observe(data, true /* asRootData */);
-  }
-
-  function getData (data, vm) {
-    // #7573 disable dep collection when invoking data getters
-    pushTarget();
-    try {
-      return data.call(vm, vm)
-    } catch (e) {
-      handleError(e, vm, "data()");
-      return {}
-    } finally {
-      popTarget();
-    }
-  }
-
-  var computedWatcherOptions = { lazy: true };
-
-  function initComputed (vm, computed) {
-    // $flow-disable-line
-    var watchers = vm._computedWatchers = Object.create(null);
-    // computed properties are just getters during SSR
-    var isSSR = isServerRendering();
-
-    for (var key in computed) {
-      var userDef = computed[key];
-      var getter = typeof userDef === 'function' ? userDef : userDef.get;
-      if (getter == null) {
-        warn(
-          ("Getter is missing for computed property \"" + key + "\"."),
-          vm
-        );
-      }
-
-      if (!isSSR) {
-        // create internal watcher for the computed property.
-        watchers[key] = new Watcher(
-          vm,
-          getter || noop,
-          noop,
-          computedWatcherOptions
-        );
-      }
-
-      // component-defined computed properties are already defined on the
-      // component prototype. We only need to define computed properties defined
-      // at instantiation here.
-      if (!(key in vm)) {
-        defineComputed(vm, key, userDef);
-      } else {
-        if (key in vm.$data) {
-          warn(("The computed property \"" + key + "\" is already defined in data."), vm);
-        } else if (vm.$options.props && key in vm.$options.props) {
-          warn(("The computed property \"" + key + "\" is already defined as a prop."), vm);
-        } else if (vm.$options.methods && key in vm.$options.methods) {
-          warn(("The computed property \"" + key + "\" is already defined as a method."), vm);
-        }
-      }
-    }
-  }
-
-  function defineComputed (
-    target,
-    key,
-    userDef
-  ) {
-    var shouldCache = !isServerRendering();
-    if (typeof userDef === 'function') {
-      sharedPropertyDefinition.get = shouldCache
-        ? createComputedGetter(key)
-        : createGetterInvoker(userDef);
-      sharedPropertyDefinition.set = noop;
-    } else {
-      sharedPropertyDefinition.get = userDef.get
-        ? shouldCache && userDef.cache !== false
-          ? createComputedGetter(key)
-          : createGetterInvoker(userDef.get)
-        : noop;
-      sharedPropertyDefinition.set = userDef.set || noop;
-    }
-    if (sharedPropertyDefinition.set === noop) {
-      sharedPropertyDefinition.set = function () {
-        warn(
-          ("Computed property \"" + key + "\" was assigned to but it has no setter."),
-          this
-        );
-      };
-    }
-    Object.defineProperty(target, key, sharedPropertyDefinition);
-  }
-
-  function createComputedGetter (key) {
-    return function computedGetter () {
-      var watcher = this._computedWatchers && this._computedWatchers[key];
-      if (watcher) {
-        if (watcher.dirty) {
-          watcher.evaluate();
-        }
-        if (Dep.target) {
-          watcher.depend();
-        }
-        return watcher.value
-      }
-    }
-  }
-
-  function createGetterInvoker(fn) {
-    return function computedGetter () {
-      return fn.call(this, this)
-    }
-  }
-
-  function initMethods (vm, methods) {
-    var props = vm.$options.props;
-    for (var key in methods) {
-      {
-        if (typeof methods[key] !== 'function') {
-          warn(
-            "Method \"" + key + "\" has type \"" + (typeof methods[key]) + "\" in the component definition. " +
-            "Did you reference the function correctly?",
-            vm
-          );
-        }
-        if (props && hasOwn(props, key)) {
-          warn(
-            ("Method \"" + key + "\" has already been defined as a prop."),
-            vm
-          );
-        }
-        if ((key in vm) && isReserved(key)) {
-          warn(
-            "Method \"" + key + "\" conflicts with an existing Vue instance method. " +
-            "Avoid defining component methods that start with _ or $."
-          );
-        }
-      }
-      vm[key] = typeof methods[key] !== 'function' ? noop : bind(methods[key], vm);
-    }
-  }
-
-  function initWatch (vm, watch) {
-    for (var key in watch) {
-      var handler = watch[key];
-      if (Array.isArray(handler)) {
-        for (var i = 0; i < handler.length; i++) {
-          createWatcher(vm, key, handler[i]);
-        }
-      } else {
-        createWatcher(vm, key, handler);
-      }
-    }
-  }
-
-  function createWatcher (
-    vm,
-    expOrFn,
-    handler,
-    options
-  ) {
-    if (isPlainObject(handler)) {
-      options = handler;
-      handler = handler.handler;
-    }
-    if (typeof handler === 'string') {
-      handler = vm[handler];
-    }
-    return vm.$watch(expOrFn, handler, options)
-  }
-
-  function stateMixin (Vue) {
-    // flow somehow has problems with directly declared definition object
-    // when using Object.defineProperty, so we have to procedurally build up
-    // the object here.
-    var dataDef = {};
-    dataDef.get = function () { return this._data };
-    var propsDef = {};
-    propsDef.get = function () { return this._props };
-    {
-      dataDef.set = function () {
-        warn(
-          'Avoid replacing instance root $data. ' +
-          'Use nested data properties instead.',
-          this
-        );
-      };
-      propsDef.set = function () {
-        warn("$props is readonly.", this);
-      };
-    }
-    Object.defineProperty(Vue.prototype, '$data', dataDef);
-    Object.defineProperty(Vue.prototype, '$props', propsDef);
-
-    Vue.prototype.$set = set;
-    Vue.prototype.$delete = del;
-
-    Vue.prototype.$watch = function (
-      expOrFn,
-      cb,
-      options
-    ) {
-      var vm = this;
-      if (isPlainObject(cb)) {
-        return createWatcher(vm, expOrFn, cb, options)
-      }
-      options = options || {};
-      options.user = true;
-      var watcher = new Watcher(vm, expOrFn, cb, options);
-      if (options.immediate) {
-        var info = "callback for immediate watcher \"" + (watcher.expression) + "\"";
-        pushTarget();
-        invokeWithErrorHandling(cb, vm, [watcher.value], vm, info);
-        popTarget();
-      }
-      return function unwatchFn () {
-        watcher.teardown();
-      }
-    };
-  }
-
-  /*  */
-
-  var uid$3 = 0;
-
-  function initMixin (Vue) {
-    Vue.prototype._init = function (options) {
-      var vm = this;
-      // a uid
-      vm._uid = uid$3++;
-
-      var startTag, endTag;
-      /* istanbul ignore if */
-      if (config.performance && mark) {
-        startTag = "vue-perf-start:" + (vm._uid);
-        endTag = "vue-perf-end:" + (vm._uid);
-        mark(startTag);
-      }
-
-      // a flag to avoid this being observed
-      vm._isVue = true;
-      // merge options
-      if (options && options._isComponent) {
-        // optimize internal component instantiation
-        // since dynamic options merging is pretty slow, and none of the
-        // internal component options needs special treatment.
-        initInternalComponent(vm, options);
-      } else {
-        vm.$options = mergeOptions(
-          resolveConstructorOptions(vm.constructor),
-          options || {},
-          vm
-        );
-      }
-      /* istanbul ignore else */
-      {
-        initProxy(vm);
-      }
-      // expose real self
-      vm._self = vm;
-      initLifecycle(vm);
-      initEvents(vm);
-      initRender(vm);
-      callHook(vm, 'beforeCreate');
-      initInjections(vm); // resolve injections before data/props
-      initState(vm);
-      initProvide(vm); // resolve provide after data/props
-      callHook(vm, 'created');
-
-      /* istanbul ignore if */
-      if (config.performance && mark) {
-        vm._name = formatComponentName(vm, false);
-        mark(endTag);
-        measure(("vue " + (vm._name) + " init"), startTag, endTag);
-      }
-
-      if (vm.$options.el) {
-        vm.$mount(vm.$options.el);
-      }
-    };
-  }
-
-  function initInternalComponent (vm, options) {
-    var opts = vm.$options = Object.create(vm.constructor.options);
-    // doing this because it's faster than dynamic enumeration.
-    var parentVnode = options._parentVnode;
-    opts.parent = options.parent;
-    opts._parentVnode = parentVnode;
-
-    var vnodeComponentOptions = parentVnode.componentOptions;
-    opts.propsData = vnodeComponentOptions.propsData;
-    opts._parentListeners = vnodeComponentOptions.listeners;
-    opts._renderChildren = vnodeComponentOptions.children;
-    opts._componentTag = vnodeComponentOptions.tag;
-
-    if (options.render) {
-      opts.render = options.render;
-      opts.staticRenderFns = options.staticRenderFns;
-    }
-  }
-
-  function resolveConstructorOptions (Ctor) {
-    var options = Ctor.options;
-    if (Ctor.super) {
-      var superOptions = resolveConstructorOptions(Ctor.super);
-      var cachedSuperOptions = Ctor.superOptions;
-      if (superOptions !== cachedSuperOptions) {
-        // super option changed,
-        // need to resolve new options.
-        Ctor.superOptions = superOptions;
-        // check if there are any late-modified/attached options (#4976)
-        var modifiedOptions = resolveModifiedOptions(Ctor);
-        // update base extend options
-        if (modifiedOptions) {
-          extend(Ctor.extendOptions, modifiedOptions);
-        }
-        options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);
-        if (options.name) {
-          options.components[options.name] = Ctor;
-        }
-      }
-    }
-    return options
-  }
-
-  function resolveModifiedOptions (Ctor) {
-    var modified;
-    var latest = Ctor.options;
-    var sealed = Ctor.sealedOptions;
-    for (var key in latest) {
-      if (latest[key] !== sealed[key]) {
-        if (!modified) { modified = {}; }
-        modified[key] = latest[key];
-      }
-    }
-    return modified
-  }
-
-  function Vue (options) {
-    if (!(this instanceof Vue)
-    ) {
-      warn('Vue is a constructor and should be called with the `new` keyword');
-    }
-    this._init(options);
-  }
-
-  initMixin(Vue);
-  stateMixin(Vue);
-  eventsMixin(Vue);
-  lifecycleMixin(Vue);
-  renderMixin(Vue);
-
-  /*  */
-
-  function initUse (Vue) {
-    Vue.use = function (plugin) {
-      var installedPlugins = (this._installedPlugins || (this._installedPlugins = []));
-      if (installedPlugins.indexOf(plugin) > -1) {
-        return this
-      }
-
-      // additional parameters
-      var args = toArray(arguments, 1);
-      args.unshift(this);
-      if (typeof plugin.install === 'function') {
-        plugin.install.apply(plugin, args);
-      } else if (typeof plugin === 'function') {
-        plugin.apply(null, args);
-      }
-      installedPlugins.push(plugin);
-      return this
-    };
-  }
-
-  /*  */
-
-  function initMixin$1 (Vue) {
-    Vue.mixin = function (mixin) {
-      this.options = mergeOptions(this.options, mixin);
-      return this
-    };
-  }
-
-  /*  */
-
-  function initExtend (Vue) {
-    /**
-     * Each instance constructor, including Vue, has a unique
-     * cid. This enables us to create wrapped "child
-     * constructors" for prototypal inheritance and cache them.
-     */
-    Vue.cid = 0;
-    var cid = 1;
-
-    /**
-     * Class inheritance
-     */
-    Vue.extend = function (extendOptions) {
-      extendOptions = extendOptions || {};
-      var Super = this;
-      var SuperId = Super.cid;
-      var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});
-      if (cachedCtors[SuperId]) {
-        return cachedCtors[SuperId]
-      }
-
-      var name = extendOptions.name || Super.options.name;
-      if (name) {
-        validateComponentName(name);
-      }
-
-      var Sub = function VueComponent (options) {
-        this._init(options);
-      };
-      Sub.prototype = Object.create(Super.prototype);
-      Sub.prototype.constructor = Sub;
-      Sub.cid = cid++;
-      Sub.options = mergeOptions(
-        Super.options,
-        extendOptions
-      );
-      Sub['super'] = Super;
-
-      // For props and computed properties, we define the proxy getters on
-      // the Vue instances at extension time, on the extended prototype. This
-      // avoids Object.defineProperty calls for each instance created.
-      if (Sub.options.props) {
-        initProps$1(Sub);
-      }
-      if (Sub.options.computed) {
-        initComputed$1(Sub);
-      }
-
-      // allow further extension/mixin/plugin usage
-      Sub.extend = Super.extend;
-      Sub.mixin = Super.mixin;
-      Sub.use = Super.use;
-
-      // create asset registers, so extended classes
-      // can have their private assets too.
-      ASSET_TYPES.forEach(function (type) {
-        Sub[type] = Super[type];
-      });
-      // enable recursive self-lookup
-      if (name) {
-        Sub.options.components[name] = Sub;
-      }
-
-      // keep a reference to the super options at extension time.
-      // later at instantiation we can check if Super's options have
-      // been updated.
-      Sub.superOptions = Super.options;
-      Sub.extendOptions = extendOptions;
-      Sub.sealedOptions = extend({}, Sub.options);
-
-      // cache constructor
-      cachedCtors[SuperId] = Sub;
-      return Sub
-    };
-  }
-
-  function initProps$1 (Comp) {
-    var props = Comp.options.props;
-    for (var key in props) {
-      proxy(Comp.prototype, "_props", key);
-    }
-  }
-
-  function initComputed$1 (Comp) {
-    var computed = Comp.options.computed;
-    for (var key in computed) {
-      defineComputed(Comp.prototype, key, computed[key]);
-    }
-  }
-
-  /*  */
-
-  function initAssetRegisters (Vue) {
-    /**
-     * Create asset registration methods.
-     */
-    ASSET_TYPES.forEach(function (type) {
-      Vue[type] = function (
-        id,
-        definition
-      ) {
-        if (!definition) {
-          return this.options[type + 's'][id]
-        } else {
-          /* istanbul ignore if */
-          if (type === 'component') {
-            validateComponentName(id);
-          }
-          if (type === 'component' && isPlainObject(definition)) {
-            definition.name = definition.name || id;
-            definition = this.options._base.extend(definition);
-          }
-          if (type === 'directive' && typeof definition === 'function') {
-            definition = { bind: definition, update: definition };
-          }
-          this.options[type + 's'][id] = definition;
-          return definition
-        }
-      };
-    });
-  }
-
-  /*  */
-
-
-
-
-
-  function getComponentName (opts) {
-    return opts && (opts.Ctor.options.name || opts.tag)
-  }
-
-  function matches (pattern, name) {
-    if (Array.isArray(pattern)) {
-      return pattern.indexOf(name) > -1
-    } else if (typeof pattern === 'string') {
-      return pattern.split(',').indexOf(name) > -1
-    } else if (isRegExp(pattern)) {
-      return pattern.test(name)
-    }
-    /* istanbul ignore next */
-    return false
-  }
-
-  function pruneCache (keepAliveInstance, filter) {
-    var cache = keepAliveInstance.cache;
-    var keys = keepAliveInstance.keys;
-    var _vnode = keepAliveInstance._vnode;
-    for (var key in cache) {
-      var entry = cache[key];
-      if (entry) {
-        var name = entry.name;
-        if (name && !filter(name)) {
-          pruneCacheEntry(cache, key, keys, _vnode);
-        }
-      }
-    }
-  }
-
-  function pruneCacheEntry (
-    cache,
-    key,
-    keys,
-    current
-  ) {
-    var entry = cache[key];
-    if (entry && (!current || entry.tag !== current.tag)) {
-      entry.componentInstance.$destroy();
-    }
-    cache[key] = null;
-    remove(keys, key);
-  }
-
-  var patternTypes = [String, RegExp, Array];
-
-  var KeepAlive = {
-    name: 'keep-alive',
-    abstract: true,
-
-    props: {
-      include: patternTypes,
-      exclude: patternTypes,
-      max: [String, Number]
-    },
-
-    methods: {
-      cacheVNode: function cacheVNode() {
-        var ref = this;
-        var cache = ref.cache;
-        var keys = ref.keys;
-        var vnodeToCache = ref.vnodeToCache;
-        var keyToCache = ref.keyToCache;
-        if (vnodeToCache) {
-          var tag = vnodeToCache.tag;
-          var componentInstance = vnodeToCache.componentInstance;
-          var componentOptions = vnodeToCache.componentOptions;
-          cache[keyToCache] = {
-            name: getComponentName(componentOptions),
-            tag: tag,
-            componentInstance: componentInstance,
-          };
-          keys.push(keyToCache);
-          // prune oldest entry
-          if (this.max && keys.length > parseInt(this.max)) {
-            pruneCacheEntry(cache, keys[0], keys, this._vnode);
-          }
-          this.vnodeToCache = null;
-        }
-      }
-    },
-
-    created: function created () {
-      this.cache = Object.create(null);
-      this.keys = [];
-    },
-
-    destroyed: function destroyed () {
-      for (var key in this.cache) {
-        pruneCacheEntry(this.cache, key, this.keys);
-      }
-    },
-
-    mounted: function mounted () {
-      var this$1 = this;
-
-      this.cacheVNode();
-      this.$watch('include', function (val) {
-        pruneCache(this$1, function (name) { return matches(val, name); });
-      });
-      this.$watch('exclude', function (val) {
-        pruneCache(this$1, function (name) { return !matches(val, name); });
-      });
-    },
-
-    updated: function updated () {
-      this.cacheVNode();
-    },
-
-    render: function render () {
-      var slot = this.$slots.default;
-      var vnode = getFirstComponentChild(slot);
-      var componentOptions = vnode && vnode.componentOptions;
-      if (componentOptions) {
-        // check pattern
-        var name = getComponentName(componentOptions);
-        var ref = this;
-        var include = ref.include;
-        var exclude = ref.exclude;
-        if (
-          // not included
-          (include && (!name || !matches(include, name))) ||
-          // excluded
-          (exclude && name && matches(exclude, name))
-        ) {
-          return vnode
-        }
-
-        var ref$1 = this;
-        var cache = ref$1.cache;
-        var keys = ref$1.keys;
-        var key = vnode.key == null
-          // same constructor may get registered as different local components
-          // so cid alone is not enough (#3269)
-          ? componentOptions.Ctor.cid + (componentOptions.tag ? ("::" + (componentOptions.tag)) : '')
-          : vnode.key;
-        if (cache[key]) {
-          vnode.componentInstance = cache[key].componentInstance;
-          // make current key freshest
-          remove(keys, key);
-          keys.push(key);
-        } else {
-          // delay setting the cache until update
-          this.vnodeToCache = vnode;
-          this.keyToCache = key;
-        }
-
-        vnode.data.keepAlive = true;
-      }
-      return vnode || (slot && slot[0])
-    }
-  };
-
-  var builtInComponents = {
-    KeepAlive: KeepAlive
-  };
-
-  /*  */
-
-  function initGlobalAPI (Vue) {
-    // config
-    var configDef = {};
-    configDef.get = function () { return config; };
-    {
-      configDef.set = function () {
-        warn(
-          'Do not replace the Vue.config object, set individual fields instead.'
-        );
-      };
-    }
-    Object.defineProperty(Vue, 'config', configDef);
-
-    // exposed util methods.
-    // NOTE: these are not considered part of the public API - avoid relying on
-    // them unless you are aware of the risk.
-    Vue.util = {
-      warn: warn,
-      extend: extend,
-      mergeOptions: mergeOptions,
-      defineReactive: defineReactive$$1
-    };
-
-    Vue.set = set;
-    Vue.delete = del;
-    Vue.nextTick = nextTick;
-
-    // 2.6 explicit observable API
-    Vue.observable = function (obj) {
-      observe(obj);
-      return obj
-    };
-
-    Vue.options = Object.create(null);
-    ASSET_TYPES.forEach(function (type) {
-      Vue.options[type + 's'] = Object.create(null);
-    });
-
-    // this is used to identify the "base" constructor to extend all plain-object
-    // components with in Weex's multi-instance scenarios.
-    Vue.options._base = Vue;
-
-    extend(Vue.options.components, builtInComponents);
-
-    initUse(Vue);
-    initMixin$1(Vue);
-    initExtend(Vue);
-    initAssetRegisters(Vue);
-  }
-
-  initGlobalAPI(Vue);
-
-  Object.defineProperty(Vue.prototype, '$isServer', {
-    get: isServerRendering
-  });
-
-  Object.defineProperty(Vue.prototype, '$ssrContext', {
-    get: function get () {
-      /* istanbul ignore next */
-      return this.$vnode && this.$vnode.ssrContext
-    }
-  });
-
-  // expose FunctionalRenderContext for ssr runtime helper installation
-  Object.defineProperty(Vue, 'FunctionalRenderContext', {
-    value: FunctionalRenderContext
-  });
-
-  Vue.version = '2.6.14';
-
-  /*  */
-
-  // these are reserved for web because they are directly compiled away
-  // during template compilation
-  var isReservedAttr = makeMap('style,class');
-
-  // attributes that should be using props for binding
-  var acceptValue = makeMap('input,textarea,option,select,progress');
-  var mustUseProp = function (tag, type, attr) {
-    return (
-      (attr === 'value' && acceptValue(tag)) && type !== 'button' ||
-      (attr === 'selected' && tag === 'option') ||
-      (attr === 'checked' && tag === 'input') ||
-      (attr === 'muted' && tag === 'video')
-    )
-  };
-
-  var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
-
-  var isValidContentEditableValue = makeMap('events,caret,typing,plaintext-only');
-
-  var convertEnumeratedValue = function (key, value) {
-    return isFalsyAttrValue(value) || value === 'false'
-      ? 'false'
-      // allow arbitrary string value for contenteditable
-      : key === 'contenteditable' && isValidContentEditableValue(value)
-        ? value
-        : 'true'
-  };
-
-  var isBooleanAttr = makeMap(
-    'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
-    'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
-    'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
-    'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
-    'required,reversed,scoped,seamless,selected,sortable,' +
-    'truespeed,typemustmatch,visible'
-  );
-
-  var xlinkNS = 'http://www.w3.org/1999/xlink';
-
-  var isXlink = function (name) {
-    return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'
-  };
-
-  var getXlinkProp = function (name) {
-    return isXlink(name) ? name.slice(6, name.length) : ''
-  };
-
-  var isFalsyAttrValue = function (val) {
-    return val == null || val === false
-  };
-
-  /*  */
-
-  function genClassForVnode (vnode) {
-    var data = vnode.data;
-    var parentNode = vnode;
-    var childNode = vnode;
-    while (isDef(childNode.componentInstance)) {
-      childNode = childNode.componentInstance._vnode;
-      if (childNode && childNode.data) {
-        data = mergeClassData(childNode.data, data);
-      }
-    }
-    while (isDef(parentNode = parentNode.parent)) {
-      if (parentNode && parentNode.data) {
-        data = mergeClassData(data, parentNode.data);
-      }
-    }
-    return renderClass(data.staticClass, data.class)
-  }
-
-  function mergeClassData (child, parent) {
-    return {
-      staticClass: concat(child.staticClass, parent.staticClass),
-      class: isDef(child.class)
-        ? [child.class, parent.class]
-        : parent.class
-    }
-  }
-
-  function renderClass (
-    staticClass,
-    dynamicClass
-  ) {
-    if (isDef(staticClass) || isDef(dynamicClass)) {
-      return concat(staticClass, stringifyClass(dynamicClass))
-    }
-    /* istanbul ignore next */
-    return ''
-  }
-
-  function concat (a, b) {
-    return a ? b ? (a + ' ' + b) : a : (b || '')
-  }
-
-  function stringifyClass (value) {
-    if (Array.isArray(value)) {
-      return stringifyArray(value)
-    }
-    if (isObject(value)) {
-      return stringifyObject(value)
-    }
-    if (typeof value === 'string') {
-      return value
-    }
-    /* istanbul ignore next */
-    return ''
-  }
-
-  function stringifyArray (value) {
-    var res = '';
-    var stringified;
-    for (var i = 0, l = value.length; i < l; i++) {
-      if (isDef(stringified = stringifyClass(value[i])) && stringified !== '') {
-        if (res) { res += ' '; }
-        res += stringified;
-      }
-    }
-    return res
-  }
-
-  function stringifyObject (value) {
-    var res = '';
-    for (var key in value) {
-      if (value[key]) {
-        if (res) { res += ' '; }
-        res += key;
-      }
-    }
-    return res
-  }
-
-  /*  */
-
-  var namespaceMap = {
-    svg: 'http://www.w3.org/2000/svg',
-    math: 'http://www.w3.org/1998/Math/MathML'
-  };
-
-  var isHTMLTag = makeMap(
-    'html,body,base,head,link,meta,style,title,' +
-    'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
-    'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' +
-    'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
-    's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +
-    'embed,object,param,source,canvas,script,noscript,del,ins,' +
-    'caption,col,colgroup,table,thead,tbody,td,th,tr,' +
-    'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
-    'output,progress,select,textarea,' +
-    'details,dialog,menu,menuitem,summary,' +
-    'content,element,shadow,template,blockquote,iframe,tfoot'
-  );
-
-  // this map is intentionally selective, only covering SVG elements that may
-  // contain child elements.
-  var isSVG = makeMap(
-    'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +
-    'foreignobject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
-    'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
-    true
-  );
-
-  var isPreTag = function (tag) { return tag === 'pre'; };
-
-  var isReservedTag = function (tag) {
-    return isHTMLTag(tag) || isSVG(tag)
-  };
-
-  function getTagNamespace (tag) {
-    if (isSVG(tag)) {
-      return 'svg'
-    }
-    // basic support for MathML
-    // note it doesn't support other MathML elements being component roots
-    if (tag === 'math') {
-      return 'math'
-    }
-  }
-
-  var unknownElementCache = Object.create(null);
-  function isUnknownElement (tag) {
-    /* istanbul ignore if */
-    if (!inBrowser) {
-      return true
-    }
-    if (isReservedTag(tag)) {
-      return false
-    }
-    tag = tag.toLowerCase();
-    /* istanbul ignore if */
-    if (unknownElementCache[tag] != null) {
-      return unknownElementCache[tag]
-    }
-    var el = document.createElement(tag);
-    if (tag.indexOf('-') > -1) {
-      // http://stackoverflow.com/a/28210364/1070244
-      return (unknownElementCache[tag] = (
-        el.constructor === window.HTMLUnknownElement ||
-        el.constructor === window.HTMLElement
-      ))
-    } else {
-      return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()))
-    }
-  }
-
-  var isTextInputType = makeMap('text,number,password,search,email,tel,url');
-
-  /*  */
-
-  /**
-   * Query an element selector if it's not an element already.
-   */
-  function query (el) {
-    if (typeof el === 'string') {
-      var selected = document.querySelector(el);
-      if (!selected) {
-        warn(
-          'Cannot find element: ' + el
-        );
-        return document.createElement('div')
-      }
-      return selected
-    } else {
-      return el
-    }
-  }
-
-  /*  */
-
-  function createElement$1 (tagName, vnode) {
-    var elm = document.createElement(tagName);
-    if (tagName !== 'select') {
-      return elm
-    }
-    // false or null will remove the attribute but undefined will not
-    if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) {
-      elm.setAttribute('multiple', 'multiple');
-    }
-    return elm
-  }
-
-  function createElementNS (namespace, tagName) {
-    return document.createElementNS(namespaceMap[namespace], tagName)
-  }
-
-  function createTextNode (text) {
-    return document.createTextNode(text)
-  }
-
-  function createComment (text) {
-    return document.createComment(text)
-  }
-
-  function insertBefore (parentNode, newNode, referenceNode) {
-    parentNode.insertBefore(newNode, referenceNode);
-  }
-
-  function removeChild (node, child) {
-    node.removeChild(child);
-  }
-
-  function appendChild (node, child) {
-    node.appendChild(child);
-  }
-
-  function parentNode (node) {
-    return node.parentNode
-  }
-
-  function nextSibling (node) {
-    return node.nextSibling
-  }
-
-  function tagName (node) {
-    return node.tagName
-  }
-
-  function setTextContent (node, text) {
-    node.textContent = text;
-  }
-
-  function setStyleScope (node, scopeId) {
-    node.setAttribute(scopeId, '');
-  }
-
-  var nodeOps = /*#__PURE__*/Object.freeze({
-    createElement: createElement$1,
-    createElementNS: createElementNS,
-    createTextNode: createTextNode,
-    createComment: createComment,
-    insertBefore: insertBefore,
-    removeChild: removeChild,
-    appendChild: appendChild,
-    parentNode: parentNode,
-    nextSibling: nextSibling,
-    tagName: tagName,
-    setTextContent: setTextContent,
-    setStyleScope: setStyleScope
-  });
-
-  /*  */
-
-  var ref = {
-    create: function create (_, vnode) {
-      registerRef(vnode);
-    },
-    update: function update (oldVnode, vnode) {
-      if (oldVnode.data.ref !== vnode.data.ref) {
-        registerRef(oldVnode, true);
-        registerRef(vnode);
-      }
-    },
-    destroy: function destroy (vnode) {
-      registerRef(vnode, true);
-    }
-  };
-
-  function registerRef (vnode, isRemoval) {
-    var key = vnode.data.ref;
-    if (!isDef(key)) { return }
-
-    var vm = vnode.context;
-    var ref = vnode.componentInstance || vnode.elm;
-    var refs = vm.$refs;
-    if (isRemoval) {
-      if (Array.isArray(refs[key])) {
-        remove(refs[key], ref);
-      } else if (refs[key] === ref) {
-        refs[key] = undefined;
-      }
-    } else {
-      if (vnode.data.refInFor) {
-        if (!Array.isArray(refs[key])) {
-          refs[key] = [ref];
-        } else if (refs[key].indexOf(ref) < 0) {
-          // $flow-disable-line
-          refs[key].push(ref);
-        }
-      } else {
-        refs[key] = ref;
-      }
-    }
-  }
-
-  /**
-   * Virtual DOM patching algorithm based on Snabbdom by
-   * Simon Friis Vindum (@paldepind)
-   * Licensed under the MIT License
-   * https://github.com/paldepind/snabbdom/blob/master/LICENSE
-   *
-   * modified by Evan You (@yyx990803)
-   *
-   * Not type-checking this because this file is perf-critical and the cost
-   * of making flow understand it is not worth it.
-   */
-
-  var emptyNode = new VNode('', {}, []);
-
-  var hooks = ['create', 'activate', 'update', 'remove', 'destroy'];
-
-  function sameVnode (a, b) {
-    return (
-      a.key === b.key &&
-      a.asyncFactory === b.asyncFactory && (
-        (
-          a.tag === b.tag &&
-          a.isComment === b.isComment &&
-          isDef(a.data) === isDef(b.data) &&
-          sameInputType(a, b)
-        ) || (
-          isTrue(a.isAsyncPlaceholder) &&
-          isUndef(b.asyncFactory.error)
-        )
-      )
-    )
-  }
-
-  function sameInputType (a, b) {
-    if (a.tag !== 'input') { return true }
-    var i;
-    var typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type;
-    var typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type;
-    return typeA === typeB || isTextInputType(typeA) && isTextInputType(typeB)
-  }
-
-  function createKeyToOldIdx (children, beginIdx, endIdx) {
-    var i, key;
-    var map = {};
-    for (i = beginIdx; i <= endIdx; ++i) {
-      key = children[i].key;
-      if (isDef(key)) { map[key] = i; }
-    }
-    return map
-  }
-
-  function createPatchFunction (backend) {
-    var i, j;
-    var cbs = {};
-
-    var modules = backend.modules;
-    var nodeOps = backend.nodeOps;
-
-    for (i = 0; i < hooks.length; ++i) {
-      cbs[hooks[i]] = [];
-      for (j = 0; j < modules.length; ++j) {
-        if (isDef(modules[j][hooks[i]])) {
-          cbs[hooks[i]].push(modules[j][hooks[i]]);
-        }
-      }
-    }
-
-    function emptyNodeAt (elm) {
-      return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm)
-    }
-
-    function createRmCb (childElm, listeners) {
-      function remove$$1 () {
-        if (--remove$$1.listeners === 0) {
-          removeNode(childElm);
-        }
-      }
-      remove$$1.listeners = listeners;
-      return remove$$1
-    }
-
-    function removeNode (el) {
-      var parent = nodeOps.parentNode(el);
-      // element may have already been removed due to v-html / v-text
-      if (isDef(parent)) {
-        nodeOps.removeChild(parent, el);
-      }
-    }
-
-    function isUnknownElement$$1 (vnode, inVPre) {
-      return (
-        !inVPre &&
-        !vnode.ns &&
-        !(
-          config.ignoredElements.length &&
-          config.ignoredElements.some(function (ignore) {
-            return isRegExp(ignore)
-              ? ignore.test(vnode.tag)
-              : ignore === vnode.tag
-          })
-        ) &&
-        config.isUnknownElement(vnode.tag)
-      )
-    }
-
-    var creatingElmInVPre = 0;
-
-    function createElm (
-      vnode,
-      insertedVnodeQueue,
-      parentElm,
-      refElm,
-      nested,
-      ownerArray,
-      index
-    ) {
-      if (isDef(vnode.elm) && isDef(ownerArray)) {
-        // This vnode was used in a previous render!
-        // now it's used as a new node, overwriting its elm would cause
-        // potential patch errors down the road when it's used as an insertion
-        // reference node. Instead, we clone the node on-demand before creating
-        // associated DOM element for it.
-        vnode = ownerArray[index] = cloneVNode(vnode);
-      }
-
-      vnode.isRootInsert = !nested; // for transition enter check
-      if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {
-        return
-      }
-
-      var data = vnode.data;
-      var children = vnode.children;
-      var tag = vnode.tag;
-      if (isDef(tag)) {
-        {
-          if (data && data.pre) {
-            creatingElmInVPre++;
-          }
-          if (isUnknownElement$$1(vnode, creatingElmInVPre)) {
-            warn(
-              'Unknown custom element: <' + tag + '> - did you ' +
-              'register the component correctly? For recursive components, ' +
-              'make sure to provide the "name" option.',
-              vnode.context
-            );
-          }
-        }
-
-        vnode.elm = vnode.ns
-          ? nodeOps.createElementNS(vnode.ns, tag)
-          : nodeOps.createElement(tag, vnode);
-        setScope(vnode);
-
-        /* istanbul ignore if */
-        {
-          createChildren(vnode, children, insertedVnodeQueue);
-          if (isDef(data)) {
-            invokeCreateHooks(vnode, insertedVnodeQueue);
-          }
-          insert(parentElm, vnode.elm, refElm);
-        }
-
-        if (data && data.pre) {
-          creatingElmInVPre--;
-        }
-      } else if (isTrue(vnode.isComment)) {
-        vnode.elm = nodeOps.createComment(vnode.text);
-        insert(parentElm, vnode.elm, refElm);
-      } else {
-        vnode.elm = nodeOps.createTextNode(vnode.text);
-        insert(parentElm, vnode.elm, refElm);
-      }
-    }
-
-    function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
-      var i = vnode.data;
-      if (isDef(i)) {
-        var isReactivated = isDef(vnode.componentInstance) && i.keepAlive;
-        if (isDef(i = i.hook) && isDef(i = i.init)) {
-          i(vnode, false /* hydrating */);
-        }
-        // after calling the init hook, if the vnode is a child component
-        // it should've created a child instance and mounted it. the child
-        // component also has set the placeholder vnode's elm.
-        // in that case we can just return the element and be done.
-        if (isDef(vnode.componentInstance)) {
-          initComponent(vnode, insertedVnodeQueue);
-          insert(parentElm, vnode.elm, refElm);
-          if (isTrue(isReactivated)) {
-            reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);
-          }
-          return true
-        }
-      }
-    }
-
-    function initComponent (vnode, insertedVnodeQueue) {
-      if (isDef(vnode.data.pendingInsert)) {
-        insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);
-        vnode.data.pendingInsert = null;
-      }
-      vnode.elm = vnode.componentInstance.$el;
-      if (isPatchable(vnode)) {
-        invokeCreateHooks(vnode, insertedVnodeQueue);
-        setScope(vnode);
-      } else {
-        // empty component root.
-        // skip all element-related modules except for ref (#3455)
-        registerRef(vnode);
-        // make sure to invoke the insert hook
-        insertedVnodeQueue.push(vnode);
-      }
-    }
-
-    function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
-      var i;
-      // hack for #4339: a reactivated component with inner transition
-      // does not trigger because the inner node's created hooks are not called
-      // again. It's not ideal to involve module-specific logic in here but
-      // there doesn't seem to be a better way to do it.
-      var innerNode = vnode;
-      while (innerNode.componentInstance) {
-        innerNode = innerNode.componentInstance._vnode;
-        if (isDef(i = innerNode.data) && isDef(i = i.transition)) {
-          for (i = 0; i < cbs.activate.length; ++i) {
-            cbs.activate[i](emptyNode, innerNode);
-          }
-          insertedVnodeQueue.push(innerNode);
-          break
-        }
-      }
-      // unlike a newly created component,
-      // a reactivated keep-alive component doesn't insert itself
-      insert(parentElm, vnode.elm, refElm);
-    }
-
-    function insert (parent, elm, ref$$1) {
-      if (isDef(parent)) {
-        if (isDef(ref$$1)) {
-          if (nodeOps.parentNode(ref$$1) === parent) {
-            nodeOps.insertBefore(parent, elm, ref$$1);
-          }
-        } else {
-          nodeOps.appendChild(parent, elm);
-        }
-      }
-    }
-
-    function createChildren (vnode, children, insertedVnodeQueue) {
-      if (Array.isArray(children)) {
-        {
-          checkDuplicateKeys(children);
-        }
-        for (var i = 0; i < children.length; ++i) {
-          createElm(children[i], insertedVnodeQueue, vnode.elm, null, true, children, i);
-        }
-      } else if (isPrimitive(vnode.text)) {
-        nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(String(vnode.text)));
-      }
-    }
-
-    function isPatchable (vnode) {
-      while (vnode.componentInstance) {
-        vnode = vnode.componentInstance._vnode;
-      }
-      return isDef(vnode.tag)
-    }
-
-    function invokeCreateHooks (vnode, insertedVnodeQueue) {
-      for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
-        cbs.create[i$1](emptyNode, vnode);
-      }
-      i = vnode.data.hook; // Reuse variable
-      if (isDef(i)) {
-        if (isDef(i.create)) { i.create(emptyNode, vnode); }
-        if (isDef(i.insert)) { insertedVnodeQueue.push(vnode); }
-      }
-    }
-
-    // set scope id attribute for scoped CSS.
-    // this is implemented as a special case to avoid the overhead
-    // of going through the normal attribute patching process.
-    function setScope (vnode) {
-      var i;
-      if (isDef(i = vnode.fnScopeId)) {
-        nodeOps.setStyleScope(vnode.elm, i);
-      } else {
-        var ancestor = vnode;
-        while (ancestor) {
-          if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) {
-            nodeOps.setStyleScope(vnode.elm, i);
-          }
-          ancestor = ancestor.parent;
-        }
-      }
-      // for slot content they should also get the scopeId from the host instance.
-      if (isDef(i = activeInstance) &&
-        i !== vnode.context &&
-        i !== vnode.fnContext &&
-        isDef(i = i.$options._scopeId)
-      ) {
-        nodeOps.setStyleScope(vnode.elm, i);
-      }
-    }
-
-    function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {
-      for (; startIdx <= endIdx; ++startIdx) {
-        createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm, false, vnodes, startIdx);
-      }
-    }
-
-    function invokeDestroyHook (vnode) {
-      var i, j;
-      var data = vnode.data;
-      if (isDef(data)) {
-        if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); }
-        for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); }
-      }
-      if (isDef(i = vnode.children)) {
-        for (j = 0; j < vnode.children.length; ++j) {
-          invokeDestroyHook(vnode.children[j]);
-        }
-      }
-    }
-
-    function removeVnodes (vnodes, startIdx, endIdx) {
-      for (; startIdx <= endIdx; ++startIdx) {
-        var ch = vnodes[startIdx];
-        if (isDef(ch)) {
-          if (isDef(ch.tag)) {
-            removeAndInvokeRemoveHook(ch);
-            invokeDestroyHook(ch);
-          } else { // Text node
-            removeNode(ch.elm);
-          }
-        }
-      }
-    }
-
-    function removeAndInvokeRemoveHook (vnode, rm) {
-      if (isDef(rm) || isDef(vnode.data)) {
-        var i;
-        var listeners = cbs.remove.length + 1;
-        if (isDef(rm)) {
-          // we have a recursively passed down rm callback
-          // increase the listeners count
-          rm.listeners += listeners;
-        } else {
-          // directly removing
-          rm = createRmCb(vnode.elm, listeners);
-        }
-        // recursively invoke hooks on child component root node
-        if (isDef(i = vnode.componentInstance) && isDef(i = i._vnode) && isDef(i.data)) {
-          removeAndInvokeRemoveHook(i, rm);
-        }
-        for (i = 0; i < cbs.remove.length; ++i) {
-          cbs.remove[i](vnode, rm);
-        }
-        if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {
-          i(vnode, rm);
-        } else {
-          rm();
-        }
-      } else {
-        removeNode(vnode.elm);
-      }
-    }
-
-    function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {
-      var oldStartIdx = 0;
-      var newStartIdx = 0;
-      var oldEndIdx = oldCh.length - 1;
-      var oldStartVnode = oldCh[0];
-      var oldEndVnode = oldCh[oldEndIdx];
-      var newEndIdx = newCh.length - 1;
-      var newStartVnode = newCh[0];
-      var newEndVnode = newCh[newEndIdx];
-      var oldKeyToIdx, idxInOld, vnodeToMove, refElm;
-
-      // removeOnly is a special flag used only by <transition-group>
-      // to ensure removed elements stay in correct relative positions
-      // during leaving transitions
-      var canMove = !removeOnly;
-
-      {
-        checkDuplicateKeys(newCh);
-      }
-
-      while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
-        if (isUndef(oldStartVnode)) {
-          oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left
-        } else if (isUndef(oldEndVnode)) {
-          oldEndVnode = oldCh[--oldEndIdx];
-        } else if (sameVnode(oldStartVnode, newStartVnode)) {
-          patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
-          oldStartVnode = oldCh[++oldStartIdx];
-          newStartVnode = newCh[++newStartIdx];
-        } else if (sameVnode(oldEndVnode, newEndVnode)) {
-          patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
-          oldEndVnode = oldCh[--oldEndIdx];
-          newEndVnode = newCh[--newEndIdx];
-        } else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right
-          patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
-          canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));
-          oldStartVnode = oldCh[++oldStartIdx];
-          newEndVnode = newCh[--newEndIdx];
-        } else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left
-          patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
-          canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
-          oldEndVnode = oldCh[--oldEndIdx];
-          newStartVnode = newCh[++newStartIdx];
-        } else {
-          if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); }
-          idxInOld = isDef(newStartVnode.key)
-            ? oldKeyToIdx[newStartVnode.key]
-            : findIdxInOld(newStartVnode, oldCh, oldStartIdx, oldEndIdx);
-          if (isUndef(idxInOld)) { // New element
-            createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
-          } else {
-            vnodeToMove = oldCh[idxInOld];
-            if (sameVnode(vnodeToMove, newStartVnode)) {
-              patchVnode(vnodeToMove, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
-              oldCh[idxInOld] = undefined;
-              canMove && nodeOps.insertBefore(parentElm, vnodeToMove.elm, oldStartVnode.elm);
-            } else {
-              // same key but different element. treat as new element
-              createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
-            }
-          }
-          newStartVnode = newCh[++newStartIdx];
-        }
-      }
-      if (oldStartIdx > oldEndIdx) {
-        refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;
-        addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
-      } else if (newStartIdx > newEndIdx) {
-        removeVnodes(oldCh, oldStartIdx, oldEndIdx);
-      }
-    }
-
-    function checkDuplicateKeys (children) {
-      var seenKeys = {};
-      for (var i = 0; i < children.length; i++) {
-        var vnode = children[i];
-        var key = vnode.key;
-        if (isDef(key)) {
-          if (seenKeys[key]) {
-            warn(
-              ("Duplicate keys detected: '" + key + "'. This may cause an update error."),
-              vnode.context
-            );
-          } else {
-            seenKeys[key] = true;
-          }
-        }
-      }
-    }
-
-    function findIdxInOld (node, oldCh, start, end) {
-      for (var i = start; i < end; i++) {
-        var c = oldCh[i];
-        if (isDef(c) && sameVnode(node, c)) { return i }
-      }
-    }
-
-    function patchVnode (
-      oldVnode,
-      vnode,
-      insertedVnodeQueue,
-      ownerArray,
-      index,
-      removeOnly
-    ) {
-      if (oldVnode === vnode) {
-        return
-      }
-
-      if (isDef(vnode.elm) && isDef(ownerArray)) {
-        // clone reused vnode
-        vnode = ownerArray[index] = cloneVNode(vnode);
-      }
-
-      var elm = vnode.elm = oldVnode.elm;
-
-      if (isTrue(oldVnode.isAsyncPlaceholder)) {
-        if (isDef(vnode.asyncFactory.resolved)) {
-          hydrate(oldVnode.elm, vnode, insertedVnodeQueue);
-        } else {
-          vnode.isAsyncPlaceholder = true;
-        }
-        return
-      }
-
-      // reuse element for static trees.
-      // note we only do this if the vnode is cloned -
-      // if the new node is not cloned it means the render functions have been
-      // reset by the hot-reload-api and we need to do a proper re-render.
-      if (isTrue(vnode.isStatic) &&
-        isTrue(oldVnode.isStatic) &&
-        vnode.key === oldVnode.key &&
-        (isTrue(vnode.isCloned) || isTrue(vnode.isOnce))
-      ) {
-        vnode.componentInstance = oldVnode.componentInstance;
-        return
-      }
-
-      var i;
-      var data = vnode.data;
-      if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) {
-        i(oldVnode, vnode);
-      }
-
-      var oldCh = oldVnode.children;
-      var ch = vnode.children;
-      if (isDef(data) && isPatchable(vnode)) {
-        for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); }
-        if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); }
-      }
-      if (isUndef(vnode.text)) {
-        if (isDef(oldCh) && isDef(ch)) {
-          if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); }
-        } else if (isDef(ch)) {
-          {
-            checkDuplicateKeys(ch);
-          }
-          if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); }
-          addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
-        } else if (isDef(oldCh)) {
-          removeVnodes(oldCh, 0, oldCh.length - 1);
-        } else if (isDef(oldVnode.text)) {
-          nodeOps.setTextContent(elm, '');
-        }
-      } else if (oldVnode.text !== vnode.text) {
-        nodeOps.setTextContent(elm, vnode.text);
-      }
-      if (isDef(data)) {
-        if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); }
-      }
-    }
-
-    function invokeInsertHook (vnode, queue, initial) {
-      // delay insert hooks for component root nodes, invoke them after the
-      // element is really inserted
-      if (isTrue(initial) && isDef(vnode.parent)) {
-        vnode.parent.data.pendingInsert = queue;
-      } else {
-        for (var i = 0; i < queue.length; ++i) {
-          queue[i].data.hook.insert(queue[i]);
-        }
-      }
-    }
-
-    var hydrationBailed = false;
-    // list of modules that can skip create hook during hydration because they
-    // are already rendered on the client or has no need for initialization
-    // Note: style is excluded because it relies on initial clone for future
-    // deep updates (#7063).
-    var isRenderedModule = makeMap('attrs,class,staticClass,staticStyle,key');
-
-    // Note: this is a browser-only function so we can assume elms are DOM nodes.
-    function hydrate (elm, vnode, insertedVnodeQueue, inVPre) {
-      var i;
-      var tag = vnode.tag;
-      var data = vnode.data;
-      var children = vnode.children;
-      inVPre = inVPre || (data && data.pre);
-      vnode.elm = elm;
-
-      if (isTrue(vnode.isComment) && isDef(vnode.asyncFactory)) {
-        vnode.isAsyncPlaceholder = true;
-        return true
-      }
-      // assert node match
-      {
-        if (!assertNodeMatch(elm, vnode, inVPre)) {
-          return false
-        }
-      }
-      if (isDef(data)) {
-        if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); }
-        if (isDef(i = vnode.componentInstance)) {
-          // child component. it should have hydrated its own tree.
-          initComponent(vnode, insertedVnodeQueue);
-          return true
-        }
-      }
-      if (isDef(tag)) {
-        if (isDef(children)) {
-          // empty element, allow client to pick up and populate children
-          if (!elm.hasChildNodes()) {
-            createChildren(vnode, children, insertedVnodeQueue);
-          } else {
-            // v-html and domProps: innerHTML
-            if (isDef(i = data) && isDef(i = i.domProps) && isDef(i = i.innerHTML)) {
-              if (i !== elm.innerHTML) {
-                /* istanbul ignore if */
-                if (typeof console !== 'undefined' &&
-                  !hydrationBailed
-                ) {
-                  hydrationBailed = true;
-                  console.warn('Parent: ', elm);
-                  console.warn('server innerHTML: ', i);
-                  console.warn('client innerHTML: ', elm.innerHTML);
-                }
-                return false
-              }
-            } else {
-              // iterate and compare children lists
-              var childrenMatch = true;
-              var childNode = elm.firstChild;
-              for (var i$1 = 0; i$1 < children.length; i$1++) {
-                if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue, inVPre)) {
-                  childrenMatch = false;
-                  break
-                }
-                childNode = childNode.nextSibling;
-              }
-              // if childNode is not null, it means the actual childNodes list is
-              // longer than the virtual children list.
-              if (!childrenMatch || childNode) {
-                /* istanbul ignore if */
-                if (typeof console !== 'undefined' &&
-                  !hydrationBailed
-                ) {
-                  hydrationBailed = true;
-                  console.warn('Parent: ', elm);
-                  console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);
-                }
-                return false
-              }
-            }
-          }
-        }
-        if (isDef(data)) {
-          var fullInvoke = false;
-          for (var key in data) {
-            if (!isRenderedModule(key)) {
-              fullInvoke = true;
-              invokeCreateHooks(vnode, insertedVnodeQueue);
-              break
-            }
-          }
-          if (!fullInvoke && data['class']) {
-            // ensure collecting deps for deep class bindings for future updates
-            traverse(data['class']);
-          }
-        }
-      } else if (elm.data !== vnode.text) {
-        elm.data = vnode.text;
-      }
-      return true
-    }
-
-    function assertNodeMatch (node, vnode, inVPre) {
-      if (isDef(vnode.tag)) {
-        return vnode.tag.indexOf('vue-component') === 0 || (
-          !isUnknownElement$$1(vnode, inVPre) &&
-          vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase())
-        )
-      } else {
-        return node.nodeType === (vnode.isComment ? 8 : 3)
-      }
-    }
-
-    return function patch (oldVnode, vnode, hydrating, removeOnly) {
-      if (isUndef(vnode)) {
-        if (isDef(oldVnode)) { invokeDestroyHook(oldVnode); }
-        return
-      }
-
-      var isInitialPatch = false;
-      var insertedVnodeQueue = [];
-
-      if (isUndef(oldVnode)) {
-        // empty mount (likely as component), create new root element
-        isInitialPatch = true;
-        createElm(vnode, insertedVnodeQueue);
-      } else {
-        var isRealElement = isDef(oldVnode.nodeType);
-        if (!isRealElement && sameVnode(oldVnode, vnode)) {
-          // patch existing root node
-          patchVnode(oldVnode, vnode, insertedVnodeQueue, null, null, removeOnly);
-        } else {
-          if (isRealElement) {
-            // mounting to a real element
-            // check if this is server-rendered content and if we can perform
-            // a successful hydration.
-            if (oldVnode.nodeType === 1 && oldVnode.hasAttribute(SSR_ATTR)) {
-              oldVnode.removeAttribute(SSR_ATTR);
-              hydrating = true;
-            }
-            if (isTrue(hydrating)) {
-              if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {
-                invokeInsertHook(vnode, insertedVnodeQueue, true);
-                return oldVnode
-              } else {
-                warn(
-                  'The client-side rendered virtual DOM tree is not matching ' +
-                  'server-rendered content. This is likely caused by incorrect ' +
-                  'HTML markup, for example nesting block-level elements inside ' +
-                  '<p>, or missing <tbody>. Bailing hydration and performing ' +
-                  'full client-side render.'
-                );
-              }
-            }
-            // either not server-rendered, or hydration failed.
-            // create an empty node and replace it
-            oldVnode = emptyNodeAt(oldVnode);
-          }
-
-          // replacing existing element
-          var oldElm = oldVnode.elm;
-          var parentElm = nodeOps.parentNode(oldElm);
-
-          // create new node
-          createElm(
-            vnode,
-            insertedVnodeQueue,
-            // extremely rare edge case: do not insert if old element is in a
-            // leaving transition. Only happens when combining transition +
-            // keep-alive + HOCs. (#4590)
-            oldElm._leaveCb ? null : parentElm,
-            nodeOps.nextSibling(oldElm)
-          );
-
-          // update parent placeholder node element, recursively
-          if (isDef(vnode.parent)) {
-            var ancestor = vnode.parent;
-            var patchable = isPatchable(vnode);
-            while (ancestor) {
-              for (var i = 0; i < cbs.destroy.length; ++i) {
-                cbs.destroy[i](ancestor);
-              }
-              ancestor.elm = vnode.elm;
-              if (patchable) {
-                for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
-                  cbs.create[i$1](emptyNode, ancestor);
-                }
-                // #6513
-                // invoke insert hooks that may have been merged by create hooks.
-                // e.g. for directives that uses the "inserted" hook.
-                var insert = ancestor.data.hook.insert;
-                if (insert.merged) {
-                  // start at index 1 to avoid re-invoking component mounted hook
-                  for (var i$2 = 1; i$2 < insert.fns.length; i$2++) {
-                    insert.fns[i$2]();
-                  }
-                }
-              } else {
-                registerRef(ancestor);
-              }
-              ancestor = ancestor.parent;
-            }
-          }
-
-          // destroy old node
-          if (isDef(parentElm)) {
-            removeVnodes([oldVnode], 0, 0);
-          } else if (isDef(oldVnode.tag)) {
-            invokeDestroyHook(oldVnode);
-          }
-        }
-      }
-
-      invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);
-      return vnode.elm
-    }
-  }
-
-  /*  */
-
-  var directives = {
-    create: updateDirectives,
-    update: updateDirectives,
-    destroy: function unbindDirectives (vnode) {
-      updateDirectives(vnode, emptyNode);
-    }
-  };
-
-  function updateDirectives (oldVnode, vnode) {
-    if (oldVnode.data.directives || vnode.data.directives) {
-      _update(oldVnode, vnode);
-    }
-  }
-
-  function _update (oldVnode, vnode) {
-    var isCreate = oldVnode === emptyNode;
-    var isDestroy = vnode === emptyNode;
-    var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);
-    var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);
-
-    var dirsWithInsert = [];
-    var dirsWithPostpatch = [];
-
-    var key, oldDir, dir;
-    for (key in newDirs) {
-      oldDir = oldDirs[key];
-      dir = newDirs[key];
-      if (!oldDir) {
-        // new directive, bind
-        callHook$1(dir, 'bind', vnode, oldVnode);
-        if (dir.def && dir.def.inserted) {
-          dirsWithInsert.push(dir);
-        }
-      } else {
-        // existing directive, update
-        dir.oldValue = oldDir.value;
-        dir.oldArg = oldDir.arg;
-        callHook$1(dir, 'update', vnode, oldVnode);
-        if (dir.def && dir.def.componentUpdated) {
-          dirsWithPostpatch.push(dir);
-        }
-      }
-    }
-
-    if (dirsWithInsert.length) {
-      var callInsert = function () {
-        for (var i = 0; i < dirsWithInsert.length; i++) {
-          callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);
-        }
-      };
-      if (isCreate) {
-        mergeVNodeHook(vnode, 'insert', callInsert);
-      } else {
-        callInsert();
-      }
-    }
-
-    if (dirsWithPostpatch.length) {
-      mergeVNodeHook(vnode, 'postpatch', function () {
-        for (var i = 0; i < dirsWithPostpatch.length; i++) {
-          callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);
-        }
-      });
-    }
-
-    if (!isCreate) {
-      for (key in oldDirs) {
-        if (!newDirs[key]) {
-          // no longer present, unbind
-          callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);
-        }
-      }
-    }
-  }
-
-  var emptyModifiers = Object.create(null);
-
-  function normalizeDirectives$1 (
-    dirs,
-    vm
-  ) {
-    var res = Object.create(null);
-    if (!dirs) {
-      // $flow-disable-line
-      return res
-    }
-    var i, dir;
-    for (i = 0; i < dirs.length; i++) {
-      dir = dirs[i];
-      if (!dir.modifiers) {
-        // $flow-disable-line
-        dir.modifiers = emptyModifiers;
-      }
-      res[getRawDirName(dir)] = dir;
-      dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);
-    }
-    // $flow-disable-line
-    return res
-  }
-
-  function getRawDirName (dir) {
-    return dir.rawName || ((dir.name) + "." + (Object.keys(dir.modifiers || {}).join('.')))
-  }
-
-  function callHook$1 (dir, hook, vnode, oldVnode, isDestroy) {
-    var fn = dir.def && dir.def[hook];
-    if (fn) {
-      try {
-        fn(vnode.elm, dir, vnode, oldVnode, isDestroy);
-      } catch (e) {
-        handleError(e, vnode.context, ("directive " + (dir.name) + " " + hook + " hook"));
-      }
-    }
-  }
-
-  var baseModules = [
-    ref,
-    directives
-  ];
-
-  /*  */
-
-  function updateAttrs (oldVnode, vnode) {
-    var opts = vnode.componentOptions;
-    if (isDef(opts) && opts.Ctor.options.inheritAttrs === false) {
-      return
-    }
-    if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) {
-      return
-    }
-    var key, cur, old;
-    var elm = vnode.elm;
-    var oldAttrs = oldVnode.data.attrs || {};
-    var attrs = vnode.data.attrs || {};
-    // clone observed objects, as the user probably wants to mutate it
-    if (isDef(attrs.__ob__)) {
-      attrs = vnode.data.attrs = extend({}, attrs);
-    }
-
-    for (key in attrs) {
-      cur = attrs[key];
-      old = oldAttrs[key];
-      if (old !== cur) {
-        setAttr(elm, key, cur, vnode.data.pre);
-      }
-    }
-    // #4391: in IE9, setting type can reset value for input[type=radio]
-    // #6666: IE/Edge forces progress value down to 1 before setting a max
-    /* istanbul ignore if */
-    if ((isIE || isEdge) && attrs.value !== oldAttrs.value) {
-      setAttr(elm, 'value', attrs.value);
-    }
-    for (key in oldAttrs) {
-      if (isUndef(attrs[key])) {
-        if (isXlink(key)) {
-          elm.removeAttributeNS(xlinkNS, getXlinkProp(key));
-        } else if (!isEnumeratedAttr(key)) {
-          elm.removeAttribute(key);
-        }
-      }
-    }
-  }
-
-  function setAttr (el, key, value, isInPre) {
-    if (isInPre || el.tagName.indexOf('-') > -1) {
-      baseSetAttr(el, key, value);
-    } else if (isBooleanAttr(key)) {
-      // set attribute for blank value
-      // e.g. <option disabled>Select one</option>
-      if (isFalsyAttrValue(value)) {
-        el.removeAttribute(key);
-      } else {
-        // technically allowfullscreen is a boolean attribute for <iframe>,
-        // but Flash expects a value of "true" when used on <embed> tag
-        value = key === 'allowfullscreen' && el.tagName === 'EMBED'
-          ? 'true'
-          : key;
-        el.setAttribute(key, value);
-      }
-    } else if (isEnumeratedAttr(key)) {
-      el.setAttribute(key, convertEnumeratedValue(key, value));
-    } else if (isXlink(key)) {
-      if (isFalsyAttrValue(value)) {
-        el.removeAttributeNS(xlinkNS, getXlinkProp(key));
-      } else {
-        el.setAttributeNS(xlinkNS, key, value);
-      }
-    } else {
-      baseSetAttr(el, key, value);
-    }
-  }
-
-  function baseSetAttr (el, key, value) {
-    if (isFalsyAttrValue(value)) {
-      el.removeAttribute(key);
-    } else {
-      // #7138: IE10 & 11 fires input event when setting placeholder on
-      // <textarea>... block the first input event and remove the blocker
-      // immediately.
-      /* istanbul ignore if */
-      if (
-        isIE && !isIE9 &&
-        el.tagName === 'TEXTAREA' &&
-        key === 'placeholder' && value !== '' && !el.__ieph
-      ) {
-        var blocker = function (e) {
-          e.stopImmediatePropagation();
-          el.removeEventListener('input', blocker);
-        };
-        el.addEventListener('input', blocker);
-        // $flow-disable-line
-        el.__ieph = true; /* IE placeholder patched */
-      }
-      el.setAttribute(key, value);
-    }
-  }
-
-  var attrs = {
-    create: updateAttrs,
-    update: updateAttrs
-  };
-
-  /*  */
-
-  function updateClass (oldVnode, vnode) {
-    var el = vnode.elm;
-    var data = vnode.data;
-    var oldData = oldVnode.data;
-    if (
-      isUndef(data.staticClass) &&
-      isUndef(data.class) && (
-        isUndef(oldData) || (
-          isUndef(oldData.staticClass) &&
-          isUndef(oldData.class)
-        )
-      )
-    ) {
-      return
-    }
-
-    var cls = genClassForVnode(vnode);
-
-    // handle transition classes
-    var transitionClass = el._transitionClasses;
-    if (isDef(transitionClass)) {
-      cls = concat(cls, stringifyClass(transitionClass));
-    }
-
-    // set the class
-    if (cls !== el._prevClass) {
-      el.setAttribute('class', cls);
-      el._prevClass = cls;
-    }
-  }
-
-  var klass = {
-    create: updateClass,
-    update: updateClass
-  };
-
-  /*  */
-
-  var validDivisionCharRE = /[\w).+\-_$\]]/;
-
-  function parseFilters (exp) {
-    var inSingle = false;
-    var inDouble = false;
-    var inTemplateString = false;
-    var inRegex = false;
-    var curly = 0;
-    var square = 0;
-    var paren = 0;
-    var lastFilterIndex = 0;
-    var c, prev, i, expression, filters;
-
-    for (i = 0; i < exp.length; i++) {
-      prev = c;
-      c = exp.charCodeAt(i);
-      if (inSingle) {
-        if (c === 0x27 && prev !== 0x5C) { inSingle = false; }
-      } else if (inDouble) {
-        if (c === 0x22 && prev !== 0x5C) { inDouble = false; }
-      } else if (inTemplateString) {
-        if (c === 0x60 && prev !== 0x5C) { inTemplateString = false; }
-      } else if (inRegex) {
-        if (c === 0x2f && prev !== 0x5C) { inRegex = false; }
-      } else if (
-        c === 0x7C && // pipe
-        exp.charCodeAt(i + 1) !== 0x7C &&
-        exp.charCodeAt(i - 1) !== 0x7C &&
-        !curly && !square && !paren
-      ) {
-        if (expression === undefined) {
-          // first filter, end of expression
-          lastFilterIndex = i + 1;
-          expression = exp.slice(0, i).trim();
-        } else {
-          pushFilter();
-        }
-      } else {
-        switch (c) {
-          case 0x22: inDouble = true; break         // "
-          case 0x27: inSingle = true; break         // '
-          case 0x60: inTemplateString = true; break // `
-          case 0x28: paren++; break                 // (
-          case 0x29: paren--; break                 // )
-          case 0x5B: square++; break                // [
-          case 0x5D: square--; break                // ]
-          case 0x7B: curly++; break                 // {
-          case 0x7D: curly--; break                 // }
-        }
-        if (c === 0x2f) { // /
-          var j = i - 1;
-          var p = (void 0);
-          // find first non-whitespace prev char
-          for (; j >= 0; j--) {
-            p = exp.charAt(j);
-            if (p !== ' ') { break }
-          }
-          if (!p || !validDivisionCharRE.test(p)) {
-            inRegex = true;
-          }
-        }
-      }
-    }
-
-    if (expression === undefined) {
-      expression = exp.slice(0, i).trim();
-    } else if (lastFilterIndex !== 0) {
-      pushFilter();
-    }
-
-    function pushFilter () {
-      (filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim());
-      lastFilterIndex = i + 1;
-    }
-
-    if (filters) {
-      for (i = 0; i < filters.length; i++) {
-        expression = wrapFilter(expression, filters[i]);
-      }
-    }
-
-    return expression
-  }
-
-  function wrapFilter (exp, filter) {
-    var i = filter.indexOf('(');
-    if (i < 0) {
-      // _f: resolveFilter
-      return ("_f(\"" + filter + "\")(" + exp + ")")
-    } else {
-      var name = filter.slice(0, i);
-      var args = filter.slice(i + 1);
-      return ("_f(\"" + name + "\")(" + exp + (args !== ')' ? ',' + args : args))
-    }
-  }
-
-  /*  */
-
-
-
-  /* eslint-disable no-unused-vars */
-  function baseWarn (msg, range) {
-    console.error(("[Vue compiler]: " + msg));
-  }
-  /* eslint-enable no-unused-vars */
-
-  function pluckModuleFunction (
-    modules,
-    key
-  ) {
-    return modules
-      ? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; })
-      : []
-  }
-
-  function addProp (el, name, value, range, dynamic) {
-    (el.props || (el.props = [])).push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));
-    el.plain = false;
-  }
-
-  function addAttr (el, name, value, range, dynamic) {
-    var attrs = dynamic
-      ? (el.dynamicAttrs || (el.dynamicAttrs = []))
-      : (el.attrs || (el.attrs = []));
-    attrs.push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));
-    el.plain = false;
-  }
-
-  // add a raw attr (use this in preTransforms)
-  function addRawAttr (el, name, value, range) {
-    el.attrsMap[name] = value;
-    el.attrsList.push(rangeSetItem({ name: name, value: value }, range));
-  }
-
-  function addDirective (
-    el,
-    name,
-    rawName,
-    value,
-    arg,
-    isDynamicArg,
-    modifiers,
-    range
-  ) {
-    (el.directives || (el.directives = [])).push(rangeSetItem({
-      name: name,
-      rawName: rawName,
-      value: value,
-      arg: arg,
-      isDynamicArg: isDynamicArg,
-      modifiers: modifiers
-    }, range));
-    el.plain = false;
-  }
-
-  function prependModifierMarker (symbol, name, dynamic) {
-    return dynamic
-      ? ("_p(" + name + ",\"" + symbol + "\")")
-      : symbol + name // mark the event as captured
-  }
-
-  function addHandler (
-    el,
-    name,
-    value,
-    modifiers,
-    important,
-    warn,
-    range,
-    dynamic
-  ) {
-    modifiers = modifiers || emptyObject;
-    // warn prevent and passive modifier
-    /* istanbul ignore if */
-    if (
-      warn &&
-      modifiers.prevent && modifiers.passive
-    ) {
-      warn(
-        'passive and prevent can\'t be used together. ' +
-        'Passive handler can\'t prevent default event.',
-        range
-      );
-    }
-
-    // normalize click.right and click.middle since they don't actually fire
-    // this is technically browser-specific, but at least for now browsers are
-    // the only target envs that have right/middle clicks.
-    if (modifiers.right) {
-      if (dynamic) {
-        name = "(" + name + ")==='click'?'contextmenu':(" + name + ")";
-      } else if (name === 'click') {
-        name = 'contextmenu';
-        delete modifiers.right;
-      }
-    } else if (modifiers.middle) {
-      if (dynamic) {
-        name = "(" + name + ")==='click'?'mouseup':(" + name + ")";
-      } else if (name === 'click') {
-        name = 'mouseup';
-      }
-    }
-
-    // check capture modifier
-    if (modifiers.capture) {
-      delete modifiers.capture;
-      name = prependModifierMarker('!', name, dynamic);
-    }
-    if (modifiers.once) {
-      delete modifiers.once;
-      name = prependModifierMarker('~', name, dynamic);
-    }
-    /* istanbul ignore if */
-    if (modifiers.passive) {
-      delete modifiers.passive;
-      name = prependModifierMarker('&', name, dynamic);
-    }
-
-    var events;
-    if (modifiers.native) {
-      delete modifiers.native;
-      events = el.nativeEvents || (el.nativeEvents = {});
-    } else {
-      events = el.events || (el.events = {});
-    }
-
-    var newHandler = rangeSetItem({ value: value.trim(), dynamic: dynamic }, range);
-    if (modifiers !== emptyObject) {
-      newHandler.modifiers = modifiers;
-    }
-
-    var handlers = events[name];
-    /* istanbul ignore if */
-    if (Array.isArray(handlers)) {
-      important ? handlers.unshift(newHandler) : handlers.push(newHandler);
-    } else if (handlers) {
-      events[name] = important ? [newHandler, handlers] : [handlers, newHandler];
-    } else {
-      events[name] = newHandler;
-    }
-
-    el.plain = false;
-  }
-
-  function getRawBindingAttr (
-    el,
-    name
-  ) {
-    return el.rawAttrsMap[':' + name] ||
-      el.rawAttrsMap['v-bind:' + name] ||
-      el.rawAttrsMap[name]
-  }
-
-  function getBindingAttr (
-    el,
-    name,
-    getStatic
-  ) {
-    var dynamicValue =
-      getAndRemoveAttr(el, ':' + name) ||
-      getAndRemoveAttr(el, 'v-bind:' + name);
-    if (dynamicValue != null) {
-      return parseFilters(dynamicValue)
-    } else if (getStatic !== false) {
-      var staticValue = getAndRemoveAttr(el, name);
-      if (staticValue != null) {
-        return JSON.stringify(staticValue)
-      }
-    }
-  }
-
-  // note: this only removes the attr from the Array (attrsList) so that it
-  // doesn't get processed by processAttrs.
-  // By default it does NOT remove it from the map (attrsMap) because the map is
-  // needed during codegen.
-  function getAndRemoveAttr (
-    el,
-    name,
-    removeFromMap
-  ) {
-    var val;
-    if ((val = el.attrsMap[name]) != null) {
-      var list = el.attrsList;
-      for (var i = 0, l = list.length; i < l; i++) {
-        if (list[i].name === name) {
-          list.splice(i, 1);
-          break
-        }
-      }
-    }
-    if (removeFromMap) {
-      delete el.attrsMap[name];
-    }
-    return val
-  }
-
-  function getAndRemoveAttrByRegex (
-    el,
-    name
-  ) {
-    var list = el.attrsList;
-    for (var i = 0, l = list.length; i < l; i++) {
-      var attr = list[i];
-      if (name.test(attr.name)) {
-        list.splice(i, 1);
-        return attr
-      }
-    }
-  }
-
-  function rangeSetItem (
-    item,
-    range
-  ) {
-    if (range) {
-      if (range.start != null) {
-        item.start = range.start;
-      }
-      if (range.end != null) {
-        item.end = range.end;
-      }
-    }
-    return item
-  }
-
-  /*  */
-
-  /**
-   * Cross-platform code generation for component v-model
-   */
-  function genComponentModel (
-    el,
-    value,
-    modifiers
-  ) {
-    var ref = modifiers || {};
-    var number = ref.number;
-    var trim = ref.trim;
-
-    var baseValueExpression = '$$v';
-    var valueExpression = baseValueExpression;
-    if (trim) {
-      valueExpression =
-        "(typeof " + baseValueExpression + " === 'string'" +
-        "? " + baseValueExpression + ".trim()" +
-        ": " + baseValueExpression + ")";
-    }
-    if (number) {
-      valueExpression = "_n(" + valueExpression + ")";
-    }
-    var assignment = genAssignmentCode(value, valueExpression);
-
-    el.model = {
-      value: ("(" + value + ")"),
-      expression: JSON.stringify(value),
-      callback: ("function (" + baseValueExpression + ") {" + assignment + "}")
-    };
-  }
-
-  /**
-   * Cross-platform codegen helper for generating v-model value assignment code.
-   */
-  function genAssignmentCode (
-    value,
-    assignment
-  ) {
-    var res = parseModel(value);
-    if (res.key === null) {
-      return (value + "=" + assignment)
-    } else {
-      return ("$set(" + (res.exp) + ", " + (res.key) + ", " + assignment + ")")
-    }
-  }
-
-  /**
-   * Parse a v-model expression into a base path and a final key segment.
-   * Handles both dot-path and possible square brackets.
-   *
-   * Possible cases:
-   *
-   * - test
-   * - test[key]
-   * - test[test1[key]]
-   * - test["a"][key]
-   * - xxx.test[a[a].test1[key]]
-   * - test.xxx.a["asa"][test1[key]]
-   *
-   */
-
-  var len, str, chr, index$1, expressionPos, expressionEndPos;
-
-
-
-  function parseModel (val) {
-    // Fix https://github.com/vuejs/vue/pull/7730
-    // allow v-model="obj.val " (trailing whitespace)
-    val = val.trim();
-    len = val.length;
-
-    if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) {
-      index$1 = val.lastIndexOf('.');
-      if (index$1 > -1) {
-        return {
-          exp: val.slice(0, index$1),
-          key: '"' + val.slice(index$1 + 1) + '"'
-        }
-      } else {
-        return {
-          exp: val,
-          key: null
-        }
-      }
-    }
-
-    str = val;
-    index$1 = expressionPos = expressionEndPos = 0;
-
-    while (!eof()) {
-      chr = next();
-      /* istanbul ignore if */
-      if (isStringStart(chr)) {
-        parseString(chr);
-      } else if (chr === 0x5B) {
-        parseBracket(chr);
-      }
-    }
-
-    return {
-      exp: val.slice(0, expressionPos),
-      key: val.slice(expressionPos + 1, expressionEndPos)
-    }
-  }
-
-  function next () {
-    return str.charCodeAt(++index$1)
-  }
-
-  function eof () {
-    return index$1 >= len
-  }
-
-  function isStringStart (chr) {
-    return chr === 0x22 || chr === 0x27
-  }
-
-  function parseBracket (chr) {
-    var inBracket = 1;
-    expressionPos = index$1;
-    while (!eof()) {
-      chr = next();
-      if (isStringStart(chr)) {
-        parseString(chr);
-        continue
-      }
-      if (chr === 0x5B) { inBracket++; }
-      if (chr === 0x5D) { inBracket--; }
-      if (inBracket === 0) {
-        expressionEndPos = index$1;
-        break
-      }
-    }
-  }
-
-  function parseString (chr) {
-    var stringQuote = chr;
-    while (!eof()) {
-      chr = next();
-      if (chr === stringQuote) {
-        break
-      }
-    }
-  }
-
-  /*  */
-
-  var warn$1;
-
-  // in some cases, the event used has to be determined at runtime
-  // so we used some reserved tokens during compile.
-  var RANGE_TOKEN = '__r';
-  var CHECKBOX_RADIO_TOKEN = '__c';
-
-  function model (
-    el,
-    dir,
-    _warn
-  ) {
-    warn$1 = _warn;
-    var value = dir.value;
-    var modifiers = dir.modifiers;
-    var tag = el.tag;
-    var type = el.attrsMap.type;
-
-    {
-      // inputs with type="file" are read only and setting the input's
-      // value will throw an error.
-      if (tag === 'input' && type === 'file') {
-        warn$1(
-          "<" + (el.tag) + " v-model=\"" + value + "\" type=\"file\">:\n" +
-          "File inputs are read only. Use a v-on:change listener instead.",
-          el.rawAttrsMap['v-model']
-        );
-      }
-    }
-
-    if (el.component) {
-      genComponentModel(el, value, modifiers);
-      // component v-model doesn't need extra runtime
-      return false
-    } else if (tag === 'select') {
-      genSelect(el, value, modifiers);
-    } else if (tag === 'input' && type === 'checkbox') {
-      genCheckboxModel(el, value, modifiers);
-    } else if (tag === 'input' && type === 'radio') {
-      genRadioModel(el, value, modifiers);
-    } else if (tag === 'input' || tag === 'textarea') {
-      genDefaultModel(el, value, modifiers);
-    } else if (!config.isReservedTag(tag)) {
-      genComponentModel(el, value, modifiers);
-      // component v-model doesn't need extra runtime
-      return false
-    } else {
-      warn$1(
-        "<" + (el.tag) + " v-model=\"" + value + "\">: " +
-        "v-model is not supported on this element type. " +
-        'If you are working with contenteditable, it\'s recommended to ' +
-        'wrap a library dedicated for that purpose inside a custom component.',
-        el.rawAttrsMap['v-model']
-      );
-    }
-
-    // ensure runtime directive metadata
-    return true
-  }
-
-  function genCheckboxModel (
-    el,
-    value,
-    modifiers
-  ) {
-    var number = modifiers && modifiers.number;
-    var valueBinding = getBindingAttr(el, 'value') || 'null';
-    var trueValueBinding = getBindingAttr(el, 'true-value') || 'true';
-    var falseValueBinding = getBindingAttr(el, 'false-value') || 'false';
-    addProp(el, 'checked',
-      "Array.isArray(" + value + ")" +
-      "?_i(" + value + "," + valueBinding + ")>-1" + (
-        trueValueBinding === 'true'
-          ? (":(" + value + ")")
-          : (":_q(" + value + "," + trueValueBinding + ")")
-      )
-    );
-    addHandler(el, 'change',
-      "var $$a=" + value + "," +
-          '$$el=$event.target,' +
-          "$$c=$$el.checked?(" + trueValueBinding + "):(" + falseValueBinding + ");" +
-      'if(Array.isArray($$a)){' +
-        "var $$v=" + (number ? '_n(' + valueBinding + ')' : valueBinding) + "," +
-            '$$i=_i($$a,$$v);' +
-        "if($$el.checked){$$i<0&&(" + (genAssignmentCode(value, '$$a.concat([$$v])')) + ")}" +
-        "else{$$i>-1&&(" + (genAssignmentCode(value, '$$a.slice(0,$$i).concat($$a.slice($$i+1))')) + ")}" +
-      "}else{" + (genAssignmentCode(value, '$$c')) + "}",
-      null, true
-    );
-  }
-
-  function genRadioModel (
-    el,
-    value,
-    modifiers
-  ) {
-    var number = modifiers && modifiers.number;
-    var valueBinding = getBindingAttr(el, 'value') || 'null';
-    valueBinding = number ? ("_n(" + valueBinding + ")") : valueBinding;
-    addProp(el, 'checked', ("_q(" + value + "," + valueBinding + ")"));
-    addHandler(el, 'change', genAssignmentCode(value, valueBinding), null, true);
-  }
-
-  function genSelect (
-    el,
-    value,
-    modifiers
-  ) {
-    var number = modifiers && modifiers.number;
-    var selectedVal = "Array.prototype.filter" +
-      ".call($event.target.options,function(o){return o.selected})" +
-      ".map(function(o){var val = \"_value\" in o ? o._value : o.value;" +
-      "return " + (number ? '_n(val)' : 'val') + "})";
-
-    var assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]';
-    var code = "var $$selectedVal = " + selectedVal + ";";
-    code = code + " " + (genAssignmentCode(value, assignment));
-    addHandler(el, 'change', code, null, true);
-  }
-
-  function genDefaultModel (
-    el,
-    value,
-    modifiers
-  ) {
-    var type = el.attrsMap.type;
-
-    // warn if v-bind:value conflicts with v-model
-    // except for inputs with v-bind:type
-    {
-      var value$1 = el.attrsMap['v-bind:value'] || el.attrsMap[':value'];
-      var typeBinding = el.attrsMap['v-bind:type'] || el.attrsMap[':type'];
-      if (value$1 && !typeBinding) {
-        var binding = el.attrsMap['v-bind:value'] ? 'v-bind:value' : ':value';
-        warn$1(
-          binding + "=\"" + value$1 + "\" conflicts with v-model on the same element " +
-          'because the latter already expands to a value binding internally',
-          el.rawAttrsMap[binding]
-        );
-      }
-    }
-
-    var ref = modifiers || {};
-    var lazy = ref.lazy;
-    var number = ref.number;
-    var trim = ref.trim;
-    var needCompositionGuard = !lazy && type !== 'range';
-    var event = lazy
-      ? 'change'
-      : type === 'range'
-        ? RANGE_TOKEN
-        : 'input';
-
-    var valueExpression = '$event.target.value';
-    if (trim) {
-      valueExpression = "$event.target.value.trim()";
-    }
-    if (number) {
-      valueExpression = "_n(" + valueExpression + ")";
-    }
-
-    var code = genAssignmentCode(value, valueExpression);
-    if (needCompositionGuard) {
-      code = "if($event.target.composing)return;" + code;
-    }
-
-    addProp(el, 'value', ("(" + value + ")"));
-    addHandler(el, event, code, null, true);
-    if (trim || number) {
-      addHandler(el, 'blur', '$forceUpdate()');
-    }
-  }
-
-  /*  */
-
-  // normalize v-model event tokens that can only be determined at runtime.
-  // it's important to place the event as the first in the array because
-  // the whole point is ensuring the v-model callback gets called before
-  // user-attached handlers.
-  function normalizeEvents (on) {
-    /* istanbul ignore if */
-    if (isDef(on[RANGE_TOKEN])) {
-      // IE input[type=range] only supports `change` event
-      var event = isIE ? 'change' : 'input';
-      on[event] = [].concat(on[RANGE_TOKEN], on[event] || []);
-      delete on[RANGE_TOKEN];
-    }
-    // This was originally intended to fix #4521 but no longer necessary
-    // after 2.5. Keeping it for backwards compat with generated code from < 2.4
-    /* istanbul ignore if */
-    if (isDef(on[CHECKBOX_RADIO_TOKEN])) {
-      on.change = [].concat(on[CHECKBOX_RADIO_TOKEN], on.change || []);
-      delete on[CHECKBOX_RADIO_TOKEN];
-    }
-  }
-
-  var target$1;
-
-  function createOnceHandler$1 (event, handler, capture) {
-    var _target = target$1; // save current target element in closure
-    return function onceHandler () {
-      var res = handler.apply(null, arguments);
-      if (res !== null) {
-        remove$2(event, onceHandler, capture, _target);
-      }
-    }
-  }
-
-  // #9446: Firefox <= 53 (in particular, ESR 52) has incorrect Event.timeStamp
-  // implementation and does not fire microtasks in between event propagation, so
-  // safe to exclude.
-  var useMicrotaskFix = isUsingMicroTask && !(isFF && Number(isFF[1]) <= 53);
-
-  function add$1 (
-    name,
-    handler,
-    capture,
-    passive
-  ) {
-    // async edge case #6566: inner click event triggers patch, event handler
-    // attached to outer element during patch, and triggered again. This
-    // happens because browsers fire microtask ticks between event propagation.
-    // the solution is simple: we save the timestamp when a handler is attached,
-    // and the handler would only fire if the event passed to it was fired
-    // AFTER it was attached.
-    if (useMicrotaskFix) {
-      var attachedTimestamp = currentFlushTimestamp;
-      var original = handler;
-      handler = original._wrapper = function (e) {
-        if (
-          // no bubbling, should always fire.
-          // this is just a safety net in case event.timeStamp is unreliable in
-          // certain weird environments...
-          e.target === e.currentTarget ||
-          // event is fired after handler attachment
-          e.timeStamp >= attachedTimestamp ||
-          // bail for environments that have buggy event.timeStamp implementations
-          // #9462 iOS 9 bug: event.timeStamp is 0 after history.pushState
-          // #9681 QtWebEngine event.timeStamp is negative value
-          e.timeStamp <= 0 ||
-          // #9448 bail if event is fired in another document in a multi-page
-          // electron/nw.js app, since event.timeStamp will be using a different
-          // starting reference
-          e.target.ownerDocument !== document
-        ) {
-          return original.apply(this, arguments)
-        }
-      };
-    }
-    target$1.addEventListener(
-      name,
-      handler,
-      supportsPassive
-        ? { capture: capture, passive: passive }
-        : capture
-    );
-  }
-
-  function remove$2 (
-    name,
-    handler,
-    capture,
-    _target
-  ) {
-    (_target || target$1).removeEventListener(
-      name,
-      handler._wrapper || handler,
-      capture
-    );
-  }
-
-  function updateDOMListeners (oldVnode, vnode) {
-    if (isUndef(oldVnode.data.on) && isUndef(vnode.data.on)) {
-      return
-    }
-    var on = vnode.data.on || {};
-    var oldOn = oldVnode.data.on || {};
-    target$1 = vnode.elm;
-    normalizeEvents(on);
-    updateListeners(on, oldOn, add$1, remove$2, createOnceHandler$1, vnode.context);
-    target$1 = undefined;
-  }
-
-  var events = {
-    create: updateDOMListeners,
-    update: updateDOMListeners
-  };
-
-  /*  */
-
-  var svgContainer;
-
-  function updateDOMProps (oldVnode, vnode) {
-    if (isUndef(oldVnode.data.domProps) && isUndef(vnode.data.domProps)) {
-      return
-    }
-    var key, cur;
-    var elm = vnode.elm;
-    var oldProps = oldVnode.data.domProps || {};
-    var props = vnode.data.domProps || {};
-    // clone observed objects, as the user probably wants to mutate it
-    if (isDef(props.__ob__)) {
-      props = vnode.data.domProps = extend({}, props);
-    }
-
-    for (key in oldProps) {
-      if (!(key in props)) {
-        elm[key] = '';
-      }
-    }
-
-    for (key in props) {
-      cur = props[key];
-      // ignore children if the node has textContent or innerHTML,
-      // as these will throw away existing DOM nodes and cause removal errors
-      // on subsequent patches (#3360)
-      if (key === 'textContent' || key === 'innerHTML') {
-        if (vnode.children) { vnode.children.length = 0; }
-        if (cur === oldProps[key]) { continue }
-        // #6601 work around Chrome version <= 55 bug where single textNode
-        // replaced by innerHTML/textContent retains its parentNode property
-        if (elm.childNodes.length === 1) {
-          elm.removeChild(elm.childNodes[0]);
-        }
-      }
-
-      if (key === 'value' && elm.tagName !== 'PROGRESS') {
-        // store value as _value as well since
-        // non-string values will be stringified
-        elm._value = cur;
-        // avoid resetting cursor position when value is the same
-        var strCur = isUndef(cur) ? '' : String(cur);
-        if (shouldUpdateValue(elm, strCur)) {
-          elm.value = strCur;
-        }
-      } else if (key === 'innerHTML' && isSVG(elm.tagName) && isUndef(elm.innerHTML)) {
-        // IE doesn't support innerHTML for SVG elements
-        svgContainer = svgContainer || document.createElement('div');
-        svgContainer.innerHTML = "<svg>" + cur + "</svg>";
-        var svg = svgContainer.firstChild;
-        while (elm.firstChild) {
-          elm.removeChild(elm.firstChild);
-        }
-        while (svg.firstChild) {
-          elm.appendChild(svg.firstChild);
-        }
-      } else if (
-        // skip the update if old and new VDOM state is the same.
-        // `value` is handled separately because the DOM value may be temporarily
-        // out of sync with VDOM state due to focus, composition and modifiers.
-        // This  #4521 by skipping the unnecessary `checked` update.
-        cur !== oldProps[key]
-      ) {
-        // some property updates can throw
-        // e.g. `value` on <progress> w/ non-finite value
-        try {
-          elm[key] = cur;
-        } catch (e) {}
-      }
-    }
-  }
-
-  // check platforms/web/util/attrs.js acceptValue
-
-
-  function shouldUpdateValue (elm, checkVal) {
-    return (!elm.composing && (
-      elm.tagName === 'OPTION' ||
-      isNotInFocusAndDirty(elm, checkVal) ||
-      isDirtyWithModifiers(elm, checkVal)
-    ))
-  }
-
-  function isNotInFocusAndDirty (elm, checkVal) {
-    // return true when textbox (.number and .trim) loses focus and its value is
-    // not equal to the updated value
-    var notInFocus = true;
-    // #6157
-    // work around IE bug when accessing document.activeElement in an iframe
-    try { notInFocus = document.activeElement !== elm; } catch (e) {}
-    return notInFocus && elm.value !== checkVal
-  }
-
-  function isDirtyWithModifiers (elm, newVal) {
-    var value = elm.value;
-    var modifiers = elm._vModifiers; // injected by v-model runtime
-    if (isDef(modifiers)) {
-      if (modifiers.number) {
-        return toNumber(value) !== toNumber(newVal)
-      }
-      if (modifiers.trim) {
-        return value.trim() !== newVal.trim()
-      }
-    }
-    return value !== newVal
-  }
-
-  var domProps = {
-    create: updateDOMProps,
-    update: updateDOMProps
-  };
-
-  /*  */
-
-  var parseStyleText = cached(function (cssText) {
-    var res = {};
-    var listDelimiter = /;(?![^(]*\))/g;
-    var propertyDelimiter = /:(.+)/;
-    cssText.split(listDelimiter).forEach(function (item) {
-      if (item) {
-        var tmp = item.split(propertyDelimiter);
-        tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
-      }
-    });
-    return res
-  });
-
-  // merge static and dynamic style data on the same vnode
-  function normalizeStyleData (data) {
-    var style = normalizeStyleBinding(data.style);
-    // static style is pre-processed into an object during compilation
-    // and is always a fresh object, so it's safe to merge into it
-    return data.staticStyle
-      ? extend(data.staticStyle, style)
-      : style
-  }
-
-  // normalize possible array / string values into Object
-  function normalizeStyleBinding (bindingStyle) {
-    if (Array.isArray(bindingStyle)) {
-      return toObject(bindingStyle)
-    }
-    if (typeof bindingStyle === 'string') {
-      return parseStyleText(bindingStyle)
-    }
-    return bindingStyle
-  }
-
-  /**
-   * parent component style should be after child's
-   * so that parent component's style could override it
-   */
-  function getStyle (vnode, checkChild) {
-    var res = {};
-    var styleData;
-
-    if (checkChild) {
-      var childNode = vnode;
-      while (childNode.componentInstance) {
-        childNode = childNode.componentInstance._vnode;
-        if (
-          childNode && childNode.data &&
-          (styleData = normalizeStyleData(childNode.data))
-        ) {
-          extend(res, styleData);
-        }
-      }
-    }
-
-    if ((styleData = normalizeStyleData(vnode.data))) {
-      extend(res, styleData);
-    }
-
-    var parentNode = vnode;
-    while ((parentNode = parentNode.parent)) {
-      if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
-        extend(res, styleData);
-      }
-    }
-    return res
-  }
-
-  /*  */
-
-  var cssVarRE = /^--/;
-  var importantRE = /\s*!important$/;
-  var setProp = function (el, name, val) {
-    /* istanbul ignore if */
-    if (cssVarRE.test(name)) {
-      el.style.setProperty(name, val);
-    } else if (importantRE.test(val)) {
-      el.style.setProperty(hyphenate(name), val.replace(importantRE, ''), 'important');
-    } else {
-      var normalizedName = normalize(name);
-      if (Array.isArray(val)) {
-        // Support values array created by autoprefixer, e.g.
-        // {display: ["-webkit-box", "-ms-flexbox", "flex"]}
-        // Set them one by one, and the browser will only set those it can recognize
-        for (var i = 0, len = val.length; i < len; i++) {
-          el.style[normalizedName] = val[i];
-        }
-      } else {
-        el.style[normalizedName] = val;
-      }
-    }
-  };
-
-  var vendorNames = ['Webkit', 'Moz', 'ms'];
-
-  var emptyStyle;
-  var normalize = cached(function (prop) {
-    emptyStyle = emptyStyle || document.createElement('div').style;
-    prop = camelize(prop);
-    if (prop !== 'filter' && (prop in emptyStyle)) {
-      return prop
-    }
-    var capName = prop.charAt(0).toUpperCase() + prop.slice(1);
-    for (var i = 0; i < vendorNames.length; i++) {
-      var name = vendorNames[i] + capName;
-      if (name in emptyStyle) {
-        return name
-      }
-    }
-  });
-
-  function updateStyle (oldVnode, vnode) {
-    var data = vnode.data;
-    var oldData = oldVnode.data;
-
-    if (isUndef(data.staticStyle) && isUndef(data.style) &&
-      isUndef(oldData.staticStyle) && isUndef(oldData.style)
-    ) {
-      return
-    }
-
-    var cur, name;
-    var el = vnode.elm;
-    var oldStaticStyle = oldData.staticStyle;
-    var oldStyleBinding = oldData.normalizedStyle || oldData.style || {};
-
-    // if static style exists, stylebinding already merged into it when doing normalizeStyleData
-    var oldStyle = oldStaticStyle || oldStyleBinding;
-
-    var style = normalizeStyleBinding(vnode.data.style) || {};
-
-    // store normalized style under a different key for next diff
-    // make sure to clone it if it's reactive, since the user likely wants
-    // to mutate it.
-    vnode.data.normalizedStyle = isDef(style.__ob__)
-      ? extend({}, style)
-      : style;
-
-    var newStyle = getStyle(vnode, true);
-
-    for (name in oldStyle) {
-      if (isUndef(newStyle[name])) {
-        setProp(el, name, '');
-      }
-    }
-    for (name in newStyle) {
-      cur = newStyle[name];
-      if (cur !== oldStyle[name]) {
-        // ie9 setting to null has no effect, must use empty string
-        setProp(el, name, cur == null ? '' : cur);
-      }
-    }
-  }
-
-  var style = {
-    create: updateStyle,
-    update: updateStyle
-  };
-
-  /*  */
-
-  var whitespaceRE = /\s+/;
-
-  /**
-   * Add class with compatibility for SVG since classList is not supported on
-   * SVG elements in IE
-   */
-  function addClass (el, cls) {
-    /* istanbul ignore if */
-    if (!cls || !(cls = cls.trim())) {
-      return
-    }
-
-    /* istanbul ignore else */
-    if (el.classList) {
-      if (cls.indexOf(' ') > -1) {
-        cls.split(whitespaceRE).forEach(function (c) { return el.classList.add(c); });
-      } else {
-        el.classList.add(cls);
-      }
-    } else {
-      var cur = " " + (el.getAttribute('class') || '') + " ";
-      if (cur.indexOf(' ' + cls + ' ') < 0) {
-        el.setAttribute('class', (cur + cls).trim());
-      }
-    }
-  }
-
-  /**
-   * Remove class with compatibility for SVG since classList is not supported on
-   * SVG elements in IE
-   */
-  function removeClass (el, cls) {
-    /* istanbul ignore if */
-    if (!cls || !(cls = cls.trim())) {
-      return
-    }
-
-    /* istanbul ignore else */
-    if (el.classList) {
-      if (cls.indexOf(' ') > -1) {
-        cls.split(whitespaceRE).forEach(function (c) { return el.classList.remove(c); });
-      } else {
-        el.classList.remove(cls);
-      }
-      if (!el.classList.length) {
-        el.removeAttribute('class');
-      }
-    } else {
-      var cur = " " + (el.getAttribute('class') || '') + " ";
-      var tar = ' ' + cls + ' ';
-      while (cur.indexOf(tar) >= 0) {
-        cur = cur.replace(tar, ' ');
-      }
-      cur = cur.trim();
-      if (cur) {
-        el.setAttribute('class', cur);
-      } else {
-        el.removeAttribute('class');
-      }
-    }
-  }
-
-  /*  */
-
-  function resolveTransition (def$$1) {
-    if (!def$$1) {
-      return
-    }
-    /* istanbul ignore else */
-    if (typeof def$$1 === 'object') {
-      var res = {};
-      if (def$$1.css !== false) {
-        extend(res, autoCssTransition(def$$1.name || 'v'));
-      }
-      extend(res, def$$1);
-      return res
-    } else if (typeof def$$1 === 'string') {
-      return autoCssTransition(def$$1)
-    }
-  }
-
-  var autoCssTransition = cached(function (name) {
-    return {
-      enterClass: (name + "-enter"),
-      enterToClass: (name + "-enter-to"),
-      enterActiveClass: (name + "-enter-active"),
-      leaveClass: (name + "-leave"),
-      leaveToClass: (name + "-leave-to"),
-      leaveActiveClass: (name + "-leave-active")
-    }
-  });
-
-  var hasTransition = inBrowser && !isIE9;
-  var TRANSITION = 'transition';
-  var ANIMATION = 'animation';
-
-  // Transition property/event sniffing
-  var transitionProp = 'transition';
-  var transitionEndEvent = 'transitionend';
-  var animationProp = 'animation';
-  var animationEndEvent = 'animationend';
-  if (hasTransition) {
-    /* istanbul ignore if */
-    if (window.ontransitionend === undefined &&
-      window.onwebkittransitionend !== undefined
-    ) {
-      transitionProp = 'WebkitTransition';
-      transitionEndEvent = 'webkitTransitionEnd';
-    }
-    if (window.onanimationend === undefined &&
-      window.onwebkitanimationend !== undefined
-    ) {
-      animationProp = 'WebkitAnimation';
-      animationEndEvent = 'webkitAnimationEnd';
-    }
-  }
-
-  // binding to window is necessary to make hot reload work in IE in strict mode
-  var raf = inBrowser
-    ? window.requestAnimationFrame
-      ? window.requestAnimationFrame.bind(window)
-      : setTimeout
-    : /* istanbul ignore next */ function (fn) { return fn(); };
-
-  function nextFrame (fn) {
-    raf(function () {
-      raf(fn);
-    });
-  }
-
-  function addTransitionClass (el, cls) {
-    var transitionClasses = el._transitionClasses || (el._transitionClasses = []);
-    if (transitionClasses.indexOf(cls) < 0) {
-      transitionClasses.push(cls);
-      addClass(el, cls);
-    }
-  }
-
-  function removeTransitionClass (el, cls) {
-    if (el._transitionClasses) {
-      remove(el._transitionClasses, cls);
-    }
-    removeClass(el, cls);
-  }
-
-  function whenTransitionEnds (
-    el,
-    expectedType,
-    cb
-  ) {
-    var ref = getTransitionInfo(el, expectedType);
-    var type = ref.type;
-    var timeout = ref.timeout;
-    var propCount = ref.propCount;
-    if (!type) { return cb() }
-    var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;
-    var ended = 0;
-    var end = function () {
-      el.removeEventListener(event, onEnd);
-      cb();
-    };
-    var onEnd = function (e) {
-      if (e.target === el) {
-        if (++ended >= propCount) {
-          end();
-        }
-      }
-    };
-    setTimeout(function () {
-      if (ended < propCount) {
-        end();
-      }
-    }, timeout + 1);
-    el.addEventListener(event, onEnd);
-  }
-
-  var transformRE = /\b(transform|all)(,|$)/;
-
-  function getTransitionInfo (el, expectedType) {
-    var styles = window.getComputedStyle(el);
-    // JSDOM may return undefined for transition properties
-    var transitionDelays = (styles[transitionProp + 'Delay'] || '').split(', ');
-    var transitionDurations = (styles[transitionProp + 'Duration'] || '').split(', ');
-    var transitionTimeout = getTimeout(transitionDelays, transitionDurations);
-    var animationDelays = (styles[animationProp + 'Delay'] || '').split(', ');
-    var animationDurations = (styles[animationProp + 'Duration'] || '').split(', ');
-    var animationTimeout = getTimeout(animationDelays, animationDurations);
-
-    var type;
-    var timeout = 0;
-    var propCount = 0;
-    /* istanbul ignore if */
-    if (expectedType === TRANSITION) {
-      if (transitionTimeout > 0) {
-        type = TRANSITION;
-        timeout = transitionTimeout;
-        propCount = transitionDurations.length;
-      }
-    } else if (expectedType === ANIMATION) {
-      if (animationTimeout > 0) {
-        type = ANIMATION;
-        timeout = animationTimeout;
-        propCount = animationDurations.length;
-      }
-    } else {
-      timeout = Math.max(transitionTimeout, animationTimeout);
-      type = timeout > 0
-        ? transitionTimeout > animationTimeout
-          ? TRANSITION
-          : ANIMATION
-        : null;
-      propCount = type
-        ? type === TRANSITION
-          ? transitionDurations.length
-          : animationDurations.length
-        : 0;
-    }
-    var hasTransform =
-      type === TRANSITION &&
-      transformRE.test(styles[transitionProp + 'Property']);
-    return {
-      type: type,
-      timeout: timeout,
-      propCount: propCount,
-      hasTransform: hasTransform
-    }
-  }
-
-  function getTimeout (delays, durations) {
-    /* istanbul ignore next */
-    while (delays.length < durations.length) {
-      delays = delays.concat(delays);
-    }
-
-    return Math.max.apply(null, durations.map(function (d, i) {
-      return toMs(d) + toMs(delays[i])
-    }))
-  }
-
-  // Old versions of Chromium (below 61.0.3163.100) formats floating pointer numbers
-  // in a locale-dependent way, using a comma instead of a dot.
-  // If comma is not replaced with a dot, the input will be rounded down (i.e. acting
-  // as a floor function) causing unexpected behaviors
-  function toMs (s) {
-    return Number(s.slice(0, -1).replace(',', '.')) * 1000
-  }
-
-  /*  */
-
-  function enter (vnode, toggleDisplay) {
-    var el = vnode.elm;
-
-    // call leave callback now
-    if (isDef(el._leaveCb)) {
-      el._leaveCb.cancelled = true;
-      el._leaveCb();
-    }
-
-    var data = resolveTransition(vnode.data.transition);
-    if (isUndef(data)) {
-      return
-    }
-
-    /* istanbul ignore if */
-    if (isDef(el._enterCb) || el.nodeType !== 1) {
-      return
-    }
-
-    var css = data.css;
-    var type = data.type;
-    var enterClass = data.enterClass;
-    var enterToClass = data.enterToClass;
-    var enterActiveClass = data.enterActiveClass;
-    var appearClass = data.appearClass;
-    var appearToClass = data.appearToClass;
-    var appearActiveClass = data.appearActiveClass;
-    var beforeEnter = data.beforeEnter;
-    var enter = data.enter;
-    var afterEnter = data.afterEnter;
-    var enterCancelled = data.enterCancelled;
-    var beforeAppear = data.beforeAppear;
-    var appear = data.appear;
-    var afterAppear = data.afterAppear;
-    var appearCancelled = data.appearCancelled;
-    var duration = data.duration;
-
-    // activeInstance will always be the <transition> component managing this
-    // transition. One edge case to check is when the <transition> is placed
-    // as the root node of a child component. In that case we need to check
-    // <transition>'s parent for appear check.
-    var context = activeInstance;
-    var transitionNode = activeInstance.$vnode;
-    while (transitionNode && transitionNode.parent) {
-      context = transitionNode.context;
-      transitionNode = transitionNode.parent;
-    }
-
-    var isAppear = !context._isMounted || !vnode.isRootInsert;
-
-    if (isAppear && !appear && appear !== '') {
-      return
-    }
-
-    var startClass = isAppear && appearClass
-      ? appearClass
-      : enterClass;
-    var activeClass = isAppear && appearActiveClass
-      ? appearActiveClass
-      : enterActiveClass;
-    var toClass = isAppear && appearToClass
-      ? appearToClass
-      : enterToClass;
-
-    var beforeEnterHook = isAppear
-      ? (beforeAppear || beforeEnter)
-      : beforeEnter;
-    var enterHook = isAppear
-      ? (typeof appear === 'function' ? appear : enter)
-      : enter;
-    var afterEnterHook = isAppear
-      ? (afterAppear || afterEnter)
-      : afterEnter;
-    var enterCancelledHook = isAppear
-      ? (appearCancelled || enterCancelled)
-      : enterCancelled;
-
-    var explicitEnterDuration = toNumber(
-      isObject(duration)
-        ? duration.enter
-        : duration
-    );
-
-    if (explicitEnterDuration != null) {
-      checkDuration(explicitEnterDuration, 'enter', vnode);
-    }
-
-    var expectsCSS = css !== false && !isIE9;
-    var userWantsControl = getHookArgumentsLength(enterHook);
-
-    var cb = el._enterCb = once(function () {
-      if (expectsCSS) {
-        removeTransitionClass(el, toClass);
-        removeTransitionClass(el, activeClass);
-      }
-      if (cb.cancelled) {
-        if (expectsCSS) {
-          removeTransitionClass(el, startClass);
-        }
-        enterCancelledHook && enterCancelledHook(el);
-      } else {
-        afterEnterHook && afterEnterHook(el);
-      }
-      el._enterCb = null;
-    });
-
-    if (!vnode.data.show) {
-      // remove pending leave element on enter by injecting an insert hook
-      mergeVNodeHook(vnode, 'insert', function () {
-        var parent = el.parentNode;
-        var pendingNode = parent && parent._pending && parent._pending[vnode.key];
-        if (pendingNode &&
-          pendingNode.tag === vnode.tag &&
-          pendingNode.elm._leaveCb
-        ) {
-          pendingNode.elm._leaveCb();
-        }
-        enterHook && enterHook(el, cb);
-      });
-    }
-
-    // start enter transition
-    beforeEnterHook && beforeEnterHook(el);
-    if (expectsCSS) {
-      addTransitionClass(el, startClass);
-      addTransitionClass(el, activeClass);
-      nextFrame(function () {
-        removeTransitionClass(el, startClass);
-        if (!cb.cancelled) {
-          addTransitionClass(el, toClass);
-          if (!userWantsControl) {
-            if (isValidDuration(explicitEnterDuration)) {
-              setTimeout(cb, explicitEnterDuration);
-            } else {
-              whenTransitionEnds(el, type, cb);
-            }
-          }
-        }
-      });
-    }
-
-    if (vnode.data.show) {
-      toggleDisplay && toggleDisplay();
-      enterHook && enterHook(el, cb);
-    }
-
-    if (!expectsCSS && !userWantsControl) {
-      cb();
-    }
-  }
-
-  function leave (vnode, rm) {
-    var el = vnode.elm;
-
-    // call enter callback now
-    if (isDef(el._enterCb)) {
-      el._enterCb.cancelled = true;
-      el._enterCb();
-    }
-
-    var data = resolveTransition(vnode.data.transition);
-    if (isUndef(data) || el.nodeType !== 1) {
-      return rm()
-    }
-
-    /* istanbul ignore if */
-    if (isDef(el._leaveCb)) {
-      return
-    }
-
-    var css = data.css;
-    var type = data.type;
-    var leaveClass = data.leaveClass;
-    var leaveToClass = data.leaveToClass;
-    var leaveActiveClass = data.leaveActiveClass;
-    var beforeLeave = data.beforeLeave;
-    var leave = data.leave;
-    var afterLeave = data.afterLeave;
-    var leaveCancelled = data.leaveCancelled;
-    var delayLeave = data.delayLeave;
-    var duration = data.duration;
-
-    var expectsCSS = css !== false && !isIE9;
-    var userWantsControl = getHookArgumentsLength(leave);
-
-    var explicitLeaveDuration = toNumber(
-      isObject(duration)
-        ? duration.leave
-        : duration
-    );
-
-    if (isDef(explicitLeaveDuration)) {
-      checkDuration(explicitLeaveDuration, 'leave', vnode);
-    }
-
-    var cb = el._leaveCb = once(function () {
-      if (el.parentNode && el.parentNode._pending) {
-        el.parentNode._pending[vnode.key] = null;
-      }
-      if (expectsCSS) {
-        removeTransitionClass(el, leaveToClass);
-        removeTransitionClass(el, leaveActiveClass);
-      }
-      if (cb.cancelled) {
-        if (expectsCSS) {
-          removeTransitionClass(el, leaveClass);
-        }
-        leaveCancelled && leaveCancelled(el);
-      } else {
-        rm();
-        afterLeave && afterLeave(el);
-      }
-      el._leaveCb = null;
-    });
-
-    if (delayLeave) {
-      delayLeave(performLeave);
-    } else {
-      performLeave();
-    }
-
-    function performLeave () {
-      // the delayed leave may have already been cancelled
-      if (cb.cancelled) {
-        return
-      }
-      // record leaving element
-      if (!vnode.data.show && el.parentNode) {
-        (el.parentNode._pending || (el.parentNode._pending = {}))[(vnode.key)] = vnode;
-      }
-      beforeLeave && beforeLeave(el);
-      if (expectsCSS) {
-        addTransitionClass(el, leaveClass);
-        addTransitionClass(el, leaveActiveClass);
-        nextFrame(function () {
-          removeTransitionClass(el, leaveClass);
-          if (!cb.cancelled) {
-            addTransitionClass(el, leaveToClass);
-            if (!userWantsControl) {
-              if (isValidDuration(explicitLeaveDuration)) {
-                setTimeout(cb, explicitLeaveDuration);
-              } else {
-                whenTransitionEnds(el, type, cb);
-              }
-            }
-          }
-        });
-      }
-      leave && leave(el, cb);
-      if (!expectsCSS && !userWantsControl) {
-        cb();
-      }
-    }
-  }
-
-  // only used in dev mode
-  function checkDuration (val, name, vnode) {
-    if (typeof val !== 'number') {
-      warn(
-        "<transition> explicit " + name + " duration is not a valid number - " +
-        "got " + (JSON.stringify(val)) + ".",
-        vnode.context
-      );
-    } else if (isNaN(val)) {
-      warn(
-        "<transition> explicit " + name + " duration is NaN - " +
-        'the duration expression might be incorrect.',
-        vnode.context
-      );
-    }
-  }
-
-  function isValidDuration (val) {
-    return typeof val === 'number' && !isNaN(val)
-  }
-
-  /**
-   * Normalize a transition hook's argument length. The hook may be:
-   * - a merged hook (invoker) with the original in .fns
-   * - a wrapped component method (check ._length)
-   * - a plain function (.length)
-   */
-  function getHookArgumentsLength (fn) {
-    if (isUndef(fn)) {
-      return false
-    }
-    var invokerFns = fn.fns;
-    if (isDef(invokerFns)) {
-      // invoker
-      return getHookArgumentsLength(
-        Array.isArray(invokerFns)
-          ? invokerFns[0]
-          : invokerFns
-      )
-    } else {
-      return (fn._length || fn.length) > 1
-    }
-  }
-
-  function _enter (_, vnode) {
-    if (vnode.data.show !== true) {
-      enter(vnode);
-    }
-  }
-
-  var transition = inBrowser ? {
-    create: _enter,
-    activate: _enter,
-    remove: function remove$$1 (vnode, rm) {
-      /* istanbul ignore else */
-      if (vnode.data.show !== true) {
-        leave(vnode, rm);
-      } else {
-        rm();
-      }
-    }
-  } : {};
-
-  var platformModules = [
-    attrs,
-    klass,
-    events,
-    domProps,
-    style,
-    transition
-  ];
-
-  /*  */
-
-  // the directive module should be applied last, after all
-  // built-in modules have been applied.
-  var modules = platformModules.concat(baseModules);
-
-  var patch = createPatchFunction({ nodeOps: nodeOps, modules: modules });
-
-  /**
-   * Not type checking this file because flow doesn't like attaching
-   * properties to Elements.
-   */
-
-  /* istanbul ignore if */
-  if (isIE9) {
-    // http://www.matts411.com/post/internet-explorer-9-oninput/
-    document.addEventListener('selectionchange', function () {
-      var el = document.activeElement;
-      if (el && el.vmodel) {
-        trigger(el, 'input');
-      }
-    });
-  }
-
-  var directive = {
-    inserted: function inserted (el, binding, vnode, oldVnode) {
-      if (vnode.tag === 'select') {
-        // #6903
-        if (oldVnode.elm && !oldVnode.elm._vOptions) {
-          mergeVNodeHook(vnode, 'postpatch', function () {
-            directive.componentUpdated(el, binding, vnode);
-          });
-        } else {
-          setSelected(el, binding, vnode.context);
-        }
-        el._vOptions = [].map.call(el.options, getValue);
-      } else if (vnode.tag === 'textarea' || isTextInputType(el.type)) {
-        el._vModifiers = binding.modifiers;
-        if (!binding.modifiers.lazy) {
-          el.addEventListener('compositionstart', onCompositionStart);
-          el.addEventListener('compositionend', onCompositionEnd);
-          // Safari < 10.2 & UIWebView doesn't fire compositionend when
-          // switching focus before confirming composition choice
-          // this also fixes the issue where some browsers e.g. iOS Chrome
-          // fires "change" instead of "input" on autocomplete.
-          el.addEventListener('change', onCompositionEnd);
-          /* istanbul ignore if */
-          if (isIE9) {
-            el.vmodel = true;
-          }
-        }
-      }
-    },
-
-    componentUpdated: function componentUpdated (el, binding, vnode) {
-      if (vnode.tag === 'select') {
-        setSelected(el, binding, vnode.context);
-        // in case the options rendered by v-for have changed,
-        // it's possible that the value is out-of-sync with the rendered options.
-        // detect such cases and filter out values that no longer has a matching
-        // option in the DOM.
-        var prevOptions = el._vOptions;
-        var curOptions = el._vOptions = [].map.call(el.options, getValue);
-        if (curOptions.some(function (o, i) { return !looseEqual(o, prevOptions[i]); })) {
-          // trigger change event if
-          // no matching option found for at least one value
-          var needReset = el.multiple
-            ? binding.value.some(function (v) { return hasNoMatchingOption(v, curOptions); })
-            : binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, curOptions);
-          if (needReset) {
-            trigger(el, 'change');
-          }
-        }
-      }
-    }
-  };
-
-  function setSelected (el, binding, vm) {
-    actuallySetSelected(el, binding, vm);
-    /* istanbul ignore if */
-    if (isIE || isEdge) {
-      setTimeout(function () {
-        actuallySetSelected(el, binding, vm);
-      }, 0);
-    }
-  }
-
-  function actuallySetSelected (el, binding, vm) {
-    var value = binding.value;
-    var isMultiple = el.multiple;
-    if (isMultiple && !Array.isArray(value)) {
-      warn(
-        "<select multiple v-model=\"" + (binding.expression) + "\"> " +
-        "expects an Array value for its binding, but got " + (Object.prototype.toString.call(value).slice(8, -1)),
-        vm
-      );
-      return
-    }
-    var selected, option;
-    for (var i = 0, l = el.options.length; i < l; i++) {
-      option = el.options[i];
-      if (isMultiple) {
-        selected = looseIndexOf(value, getValue(option)) > -1;
-        if (option.selected !== selected) {
-          option.selected = selected;
-        }
-      } else {
-        if (looseEqual(getValue(option), value)) {
-          if (el.selectedIndex !== i) {
-            el.selectedIndex = i;
-          }
-          return
-        }
-      }
-    }
-    if (!isMultiple) {
-      el.selectedIndex = -1;
-    }
-  }
-
-  function hasNoMatchingOption (value, options) {
-    return options.every(function (o) { return !looseEqual(o, value); })
-  }
-
-  function getValue (option) {
-    return '_value' in option
-      ? option._value
-      : option.value
-  }
-
-  function onCompositionStart (e) {
-    e.target.composing = true;
-  }
-
-  function onCompositionEnd (e) {
-    // prevent triggering an input event for no reason
-    if (!e.target.composing) { return }
-    e.target.composing = false;
-    trigger(e.target, 'input');
-  }
-
-  function trigger (el, type) {
-    var e = document.createEvent('HTMLEvents');
-    e.initEvent(type, true, true);
-    el.dispatchEvent(e);
-  }
-
-  /*  */
-
-  // recursively search for possible transition defined inside the component root
-  function locateNode (vnode) {
-    return vnode.componentInstance && (!vnode.data || !vnode.data.transition)
-      ? locateNode(vnode.componentInstance._vnode)
-      : vnode
-  }
-
-  var show = {
-    bind: function bind (el, ref, vnode) {
-      var value = ref.value;
-
-      vnode = locateNode(vnode);
-      var transition$$1 = vnode.data && vnode.data.transition;
-      var originalDisplay = el.__vOriginalDisplay =
-        el.style.display === 'none' ? '' : el.style.display;
-      if (value && transition$$1) {
-        vnode.data.show = true;
-        enter(vnode, function () {
-          el.style.display = originalDisplay;
-        });
-      } else {
-        el.style.display = value ? originalDisplay : 'none';
-      }
-    },
-
-    update: function update (el, ref, vnode) {
-      var value = ref.value;
-      var oldValue = ref.oldValue;
-
-      /* istanbul ignore if */
-      if (!value === !oldValue) { return }
-      vnode = locateNode(vnode);
-      var transition$$1 = vnode.data && vnode.data.transition;
-      if (transition$$1) {
-        vnode.data.show = true;
-        if (value) {
-          enter(vnode, function () {
-            el.style.display = el.__vOriginalDisplay;
-          });
-        } else {
-          leave(vnode, function () {
-            el.style.display = 'none';
-          });
-        }
-      } else {
-        el.style.display = value ? el.__vOriginalDisplay : 'none';
-      }
-    },
-
-    unbind: function unbind (
-      el,
-      binding,
-      vnode,
-      oldVnode,
-      isDestroy
-    ) {
-      if (!isDestroy) {
-        el.style.display = el.__vOriginalDisplay;
-      }
-    }
-  };
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Vue = factory());
+})(this, (function () { 'use strict';
+
+  var emptyObject = Object.freeze({});
+  var isArray = Array.isArray;
+  // These helpers produce better VM code in JS engines due to their
+  // explicitness and function inlining.
+  function isUndef(v) {
+      return v === undefined || v === null;
+  }
+  function isDef(v) {
+      return v !== undefined && v !== null;
+  }
+  function isTrue(v) {
+      return v === true;
+  }
+  function isFalse(v) {
+      return v === false;
+  }
+  /**
+   * Check if value is primitive.
+   */
+  function isPrimitive(value) {
+      return (typeof value === 'string' ||
+          typeof value === 'number' ||
+          // $flow-disable-line
+          typeof value === 'symbol' ||
+          typeof value === 'boolean');
+  }
+  function isFunction(value) {
+      return typeof value === 'function';
+  }
+  /**
+   * Quick object check - this is primarily used to tell
+   * objects from primitive values when we know the value
+   * is a JSON-compliant type.
+   */
+  function isObject(obj) {
+      return obj !== null && typeof obj === 'object';
+  }
+  /**
+   * Get the raw type string of a value, e.g., [object Object].
+   */
+  var _toString = Object.prototype.toString;
+  function toRawType(value) {
+      return _toString.call(value).slice(8, -1);
+  }
+  /**
+   * Strict object type check. Only returns true
+   * for plain JavaScript objects.
+   */
+  function isPlainObject(obj) {
+      return _toString.call(obj) === '[object Object]';
+  }
+  function isRegExp(v) {
+      return _toString.call(v) === '[object RegExp]';
+  }
+  /**
+   * Check if val is a valid array index.
+   */
+  function isValidArrayIndex(val) {
+      var n = parseFloat(String(val));
+      return n >= 0 && Math.floor(n) === n && isFinite(val);
+  }
+  function isPromise(val) {
+      return (isDef(val) &&
+          typeof val.then === 'function' &&
+          typeof val.catch === 'function');
+  }
+  /**
+   * Convert a value to a string that is actually rendered.
+   */
+  function toString(val) {
+      return val == null
+          ? ''
+          : Array.isArray(val) || (isPlainObject(val) && val.toString === _toString)
+              ? JSON.stringify(val, null, 2)
+              : String(val);
+  }
+  /**
+   * Convert an input value to a number for persistence.
+   * If the conversion fails, return original string.
+   */
+  function toNumber(val) {
+      var n = parseFloat(val);
+      return isNaN(n) ? val : n;
+  }
+  /**
+   * Make a map and return a function for checking if a key
+   * is in that map.
+   */
+  function makeMap(str, expectsLowerCase) {
+      var map = Object.create(null);
+      var list = str.split(',');
+      for (var i = 0; i < list.length; i++) {
+          map[list[i]] = true;
+      }
+      return expectsLowerCase ? function (val) { return map[val.toLowerCase()]; } : function (val) { return map[val]; };
+  }
+  /**
+   * Check if a tag is a built-in tag.
+   */
+  var isBuiltInTag = makeMap('slot,component', true);
+  /**
+   * Check if an attribute is a reserved attribute.
+   */
+  var isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');
+  /**
+   * Remove an item from an array.
+   */
+  function remove$2(arr, item) {
+      if (arr.length) {
+          var index = arr.indexOf(item);
+          if (index > -1) {
+              return arr.splice(index, 1);
+          }
+      }
+  }
+  /**
+   * Check whether an object has the property.
+   */
+  var hasOwnProperty = Object.prototype.hasOwnProperty;
+  function hasOwn(obj, key) {
+      return hasOwnProperty.call(obj, key);
+  }
+  /**
+   * Create a cached version of a pure function.
+   */
+  function cached(fn) {
+      var cache = Object.create(null);
+      return function cachedFn(str) {
+          var hit = cache[str];
+          return hit || (cache[str] = fn(str));
+      };
+  }
+  /**
+   * Camelize a hyphen-delimited string.
+   */
+  var camelizeRE = /-(\w)/g;
+  var camelize = cached(function (str) {
+      return str.replace(camelizeRE, function (_, c) { return (c ? c.toUpperCase() : ''); });
+  });
+  /**
+   * Capitalize a string.
+   */
+  var capitalize = cached(function (str) {
+      return str.charAt(0).toUpperCase() + str.slice(1);
+  });
+  /**
+   * Hyphenate a camelCase string.
+   */
+  var hyphenateRE = /\B([A-Z])/g;
+  var hyphenate = cached(function (str) {
+      return str.replace(hyphenateRE, '-$1').toLowerCase();
+  });
+  /**
+   * Simple bind polyfill for environments that do not support it,
+   * e.g., PhantomJS 1.x. Technically, we don't need this anymore
+   * since native bind is now performant enough in most browsers.
+   * But removing it would mean breaking code that was able to run in
+   * PhantomJS 1.x, so this must be kept for backward compatibility.
+   */
+  /* istanbul ignore next */
+  function polyfillBind(fn, ctx) {
+      function boundFn(a) {
+          var l = arguments.length;
+          return l
+              ? l > 1
+                  ? fn.apply(ctx, arguments)
+                  : fn.call(ctx, a)
+              : fn.call(ctx);
+      }
+      boundFn._length = fn.length;
+      return boundFn;
+  }
+  function nativeBind(fn, ctx) {
+      return fn.bind(ctx);
+  }
+  // @ts-expect-error bind cannot be `undefined`
+  var bind$1 = Function.prototype.bind ? nativeBind : polyfillBind;
+  /**
+   * Convert an Array-like object to a real Array.
+   */
+  function toArray(list, start) {
+      start = start || 0;
+      var i = list.length - start;
+      var ret = new Array(i);
+      while (i--) {
+          ret[i] = list[i + start];
+      }
+      return ret;
+  }
+  /**
+   * Mix properties into target object.
+   */
+  function extend(to, _from) {
+      for (var key in _from) {
+          to[key] = _from[key];
+      }
+      return to;
+  }
+  /**
+   * Merge an Array of Objects into a single Object.
+   */
+  function toObject(arr) {
+      var res = {};
+      for (var i = 0; i < arr.length; i++) {
+          if (arr[i]) {
+              extend(res, arr[i]);
+          }
+      }
+      return res;
+  }
+  /* eslint-disable no-unused-vars */
+  /**
+   * Perform no operation.
+   * Stubbing args to make Flow happy without leaving useless transpiled code
+   * with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/).
+   */
+  function noop(a, b, c) { }
+  /**
+   * Always return false.
+   */
+  var no = function (a, b, c) { return false; };
+  /* eslint-enable no-unused-vars */
+  /**
+   * Return the same value.
+   */
+  var identity = function (_) { return _; };
+  /**
+   * Generate a string containing static keys from compiler modules.
+   */
+  function genStaticKeys$1(modules) {
+      return modules
+          .reduce(function (keys, m) {
+          return keys.concat(m.staticKeys || []);
+      }, [])
+          .join(',');
+  }
+  /**
+   * Check if two values are loosely equal - that is,
+   * if they are plain objects, do they have the same shape?
+   */
+  function looseEqual(a, b) {
+      if (a === b)
+          return true;
+      var isObjectA = isObject(a);
+      var isObjectB = isObject(b);
+      if (isObjectA && isObjectB) {
+          try {
+              var isArrayA = Array.isArray(a);
+              var isArrayB = Array.isArray(b);
+              if (isArrayA && isArrayB) {
+                  return (a.length === b.length &&
+                      a.every(function (e, i) {
+                          return looseEqual(e, b[i]);
+                      }));
+              }
+              else if (a instanceof Date && b instanceof Date) {
+                  return a.getTime() === b.getTime();
+              }
+              else if (!isArrayA && !isArrayB) {
+                  var keysA = Object.keys(a);
+                  var keysB = Object.keys(b);
+                  return (keysA.length === keysB.length &&
+                      keysA.every(function (key) {
+                          return looseEqual(a[key], b[key]);
+                      }));
+              }
+              else {
+                  /* istanbul ignore next */
+                  return false;
+              }
+          }
+          catch (e) {
+              /* istanbul ignore next */
+              return false;
+          }
+      }
+      else if (!isObjectA && !isObjectB) {
+          return String(a) === String(b);
+      }
+      else {
+          return false;
+      }
+  }
+  /**
+   * Return the first index at which a loosely equal value can be
+   * found in the array (if value is a plain object, the array must
+   * contain an object of the same shape), or -1 if it is not present.
+   */
+  function looseIndexOf(arr, val) {
+      for (var i = 0; i < arr.length; i++) {
+          if (looseEqual(arr[i], val))
+              return i;
+      }
+      return -1;
+  }
+  /**
+   * Ensure a function is called only once.
+   */
+  function once(fn) {
+      var called = false;
+      return function () {
+          if (!called) {
+              called = true;
+              fn.apply(this, arguments);
+          }
+      };
+  }
+  // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is#polyfill
+  function hasChanged(x, y) {
+      if (x === y) {
+          return x === 0 && 1 / x !== 1 / y;
+      }
+      else {
+          return x === x && y === y;
+      }
+  }
+
+  var SSR_ATTR = 'data-server-rendered';
+  var ASSET_TYPES = ['component', 'directive', 'filter'];
+  var LIFECYCLE_HOOKS = [
+      'beforeCreate',
+      'created',
+      'beforeMount',
+      'mounted',
+      'beforeUpdate',
+      'updated',
+      'beforeDestroy',
+      'destroyed',
+      'activated',
+      'deactivated',
+      'errorCaptured',
+      'serverPrefetch'
+  ];
 
-  var platformDirectives = {
-    model: directive,
-    show: show
+  var config = {
+      /**
+       * Option merge strategies (used in core/util/options)
+       */
+      // $flow-disable-line
+      optionMergeStrategies: Object.create(null),
+      /**
+       * Whether to suppress warnings.
+       */
+      silent: false,
+      /**
+       * Show production mode tip message on boot?
+       */
+      productionTip: true,
+      /**
+       * Whether to enable devtools
+       */
+      devtools: true,
+      /**
+       * Whether to record perf
+       */
+      performance: false,
+      /**
+       * Error handler for watcher errors
+       */
+      errorHandler: null,
+      /**
+       * Warn handler for watcher warns
+       */
+      warnHandler: null,
+      /**
+       * Ignore certain custom elements
+       */
+      ignoredElements: [],
+      /**
+       * Custom user key aliases for v-on
+       */
+      // $flow-disable-line
+      keyCodes: Object.create(null),
+      /**
+       * Check if a tag is reserved so that it cannot be registered as a
+       * component. This is platform-dependent and may be overwritten.
+       */
+      isReservedTag: no,
+      /**
+       * Check if an attribute is reserved so that it cannot be used as a component
+       * prop. This is platform-dependent and may be overwritten.
+       */
+      isReservedAttr: no,
+      /**
+       * Check if a tag is an unknown element.
+       * Platform-dependent.
+       */
+      isUnknownElement: no,
+      /**
+       * Get the namespace of an element
+       */
+      getTagNamespace: noop,
+      /**
+       * Parse the real tag name for the specific platform.
+       */
+      parsePlatformTagName: identity,
+      /**
+       * Check if an attribute must be bound using property, e.g. value
+       * Platform-dependent.
+       */
+      mustUseProp: no,
+      /**
+       * Perform updates asynchronously. Intended to be used by Vue Test Utils
+       * This will significantly reduce performance if set to false.
+       */
+      async: true,
+      /**
+       * Exposed for legacy reasons
+       */
+      _lifecycleHooks: LIFECYCLE_HOOKS
   };
 
-  /*  */
-
-  var transitionProps = {
-    name: String,
-    appear: Boolean,
-    css: Boolean,
-    mode: String,
-    type: String,
-    enterClass: String,
-    leaveClass: String,
-    enterToClass: String,
-    leaveToClass: String,
-    enterActiveClass: String,
-    leaveActiveClass: String,
-    appearClass: String,
-    appearActiveClass: String,
-    appearToClass: String,
-    duration: [Number, String, Object]
+  /**
+   * unicode letters used for parsing html tags, component names and property paths.
+   * using https://www.w3.org/TR/html53/semantics-scripting.html#potentialcustomelementname
+   * skipping \u10000-\uEFFFF due to it freezing up PhantomJS
+   */
+  var unicodeRegExp = /a-zA-Z\u00B7\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u037D\u037F-\u1FFF\u200C-\u200D\u203F-\u2040\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD/;
+  /**
+   * Check if a string starts with $ or _
+   */
+  function isReserved(str) {
+      var c = (str + '').charCodeAt(0);
+      return c === 0x24 || c === 0x5f;
+  }
+  /**
+   * Define a property.
+   */
+  function def(obj, key, val, enumerable) {
+      Object.defineProperty(obj, key, {
+          value: val,
+          enumerable: !!enumerable,
+          writable: true,
+          configurable: true
+      });
+  }
+  /**
+   * Parse simple path.
+   */
+  var bailRE = new RegExp("[^".concat(unicodeRegExp.source, ".$_\\d]"));
+  function parsePath(path) {
+      if (bailRE.test(path)) {
+          return;
+      }
+      var segments = path.split('.');
+      return function (obj) {
+          for (var i = 0; i < segments.length; i++) {
+              if (!obj)
+                  return;
+              obj = obj[segments[i]];
+          }
+          return obj;
+      };
+  }
+
+  // can we use __proto__?
+  var hasProto = '__proto__' in {};
+  // Browser environment sniffing
+  var inBrowser = typeof window !== 'undefined';
+  var UA = inBrowser && window.navigator.userAgent.toLowerCase();
+  var isIE = UA && /msie|trident/.test(UA);
+  var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
+  var isEdge = UA && UA.indexOf('edge/') > 0;
+  UA && UA.indexOf('android') > 0;
+  var isIOS = UA && /iphone|ipad|ipod|ios/.test(UA);
+  UA && /chrome\/\d+/.test(UA) && !isEdge;
+  UA && /phantomjs/.test(UA);
+  var isFF = UA && UA.match(/firefox\/(\d+)/);
+  // Firefox has a "watch" function on Object.prototype...
+  // @ts-expect-error firebox support
+  var nativeWatch = {}.watch;
+  var supportsPassive = false;
+  if (inBrowser) {
+      try {
+          var opts = {};
+          Object.defineProperty(opts, 'passive', {
+              get: function () {
+                  /* istanbul ignore next */
+                  supportsPassive = true;
+              }
+          }); // https://github.com/facebook/flow/issues/285
+          window.addEventListener('test-passive', null, opts);
+      }
+      catch (e) { }
+  }
+  // this needs to be lazy-evaled because vue may be required before
+  // vue-server-renderer can set VUE_ENV
+  var _isServer;
+  var isServerRendering = function () {
+      if (_isServer === undefined) {
+          /* istanbul ignore if */
+          if (!inBrowser && typeof global !== 'undefined') {
+              // detect presence of vue-server-renderer and avoid
+              // Webpack shimming the process
+              _isServer =
+                  global['process'] && global['process'].env.VUE_ENV === 'server';
+          }
+          else {
+              _isServer = false;
+          }
+      }
+      return _isServer;
+  };
+  // detect devtools
+  var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
+  /* istanbul ignore next */
+  function isNative(Ctor) {
+      return typeof Ctor === 'function' && /native code/.test(Ctor.toString());
+  }
+  var hasSymbol = typeof Symbol !== 'undefined' &&
+      isNative(Symbol) &&
+      typeof Reflect !== 'undefined' &&
+      isNative(Reflect.ownKeys);
+  var _Set; // $flow-disable-line
+  /* istanbul ignore if */ if (typeof Set !== 'undefined' && isNative(Set)) {
+      // use native Set when available.
+      _Set = Set;
+  }
+  else {
+      // a non-standard Set polyfill that only works with primitive keys.
+      _Set = /** @class */ (function () {
+          function Set() {
+              this.set = Object.create(null);
+          }
+          Set.prototype.has = function (key) {
+              return this.set[key] === true;
+          };
+          Set.prototype.add = function (key) {
+              this.set[key] = true;
+          };
+          Set.prototype.clear = function () {
+              this.set = Object.create(null);
+          };
+          return Set;
+      }());
+  }
+
+  var currentInstance = null;
+  /**
+   * This is exposed for compatibility with v3 (e.g. some functions in VueUse
+   * relies on it). Do not use this internally, just use `currentInstance`.
+   *
+   * @internal this function needs manual type declaration because it relies
+   * on previously manually authored types from Vue 2
+   */
+  function getCurrentInstance() {
+      return currentInstance && { proxy: currentInstance };
+  }
+  /**
+   * @internal
+   */
+  function setCurrentInstance(vm) {
+      if (vm === void 0) { vm = null; }
+      if (!vm)
+          currentInstance && currentInstance._scope.off();
+      currentInstance = vm;
+      vm && vm._scope.on();
+  }
+
+  var warn$2 = noop;
+  var tip = noop;
+  var generateComponentTrace; // work around flow check
+  var formatComponentName;
+  {
+      var hasConsole_1 = typeof console !== 'undefined';
+      var classifyRE_1 = /(?:^|[-_])(\w)/g;
+      var classify_1 = function (str) {
+          return str.replace(classifyRE_1, function (c) { return c.toUpperCase(); }).replace(/[-_]/g, '');
+      };
+      warn$2 = function (msg, vm) {
+          if (vm === void 0) { vm = currentInstance; }
+          var trace = vm ? generateComponentTrace(vm) : '';
+          if (config.warnHandler) {
+              config.warnHandler.call(null, msg, vm, trace);
+          }
+          else if (hasConsole_1 && !config.silent) {
+              console.error("[Vue warn]: ".concat(msg).concat(trace));
+          }
+      };
+      tip = function (msg, vm) {
+          if (hasConsole_1 && !config.silent) {
+              console.warn("[Vue tip]: ".concat(msg) + (vm ? generateComponentTrace(vm) : ''));
+          }
+      };
+      formatComponentName = function (vm, includeFile) {
+          if (vm.$root === vm) {
+              return '<Root>';
+          }
+          var options = isFunction(vm) && vm.cid != null
+              ? vm.options
+              : vm._isVue
+                  ? vm.$options || vm.constructor.options
+                  : vm;
+          var name = options.name || options._componentTag;
+          var file = options.__file;
+          if (!name && file) {
+              var match = file.match(/([^/\\]+)\.vue$/);
+              name = match && match[1];
+          }
+          return ((name ? "<".concat(classify_1(name), ">") : "<Anonymous>") +
+              (file && includeFile !== false ? " at ".concat(file) : ''));
+      };
+      var repeat_1 = function (str, n) {
+          var res = '';
+          while (n) {
+              if (n % 2 === 1)
+                  res += str;
+              if (n > 1)
+                  str += str;
+              n >>= 1;
+          }
+          return res;
+      };
+      generateComponentTrace = function (vm) {
+          if (vm._isVue && vm.$parent) {
+              var tree = [];
+              var currentRecursiveSequence = 0;
+              while (vm) {
+                  if (tree.length > 0) {
+                      var last = tree[tree.length - 1];
+                      if (last.constructor === vm.constructor) {
+                          currentRecursiveSequence++;
+                          vm = vm.$parent;
+                          continue;
+                      }
+                      else if (currentRecursiveSequence > 0) {
+                          tree[tree.length - 1] = [last, currentRecursiveSequence];
+                          currentRecursiveSequence = 0;
+                      }
+                  }
+                  tree.push(vm);
+                  vm = vm.$parent;
+              }
+              return ('\n\nfound in\n\n' +
+                  tree
+                      .map(function (vm, i) {
+                      return "".concat(i === 0 ? '---> ' : repeat_1(' ', 5 + i * 2)).concat(isArray(vm)
+                          ? "".concat(formatComponentName(vm[0]), "... (").concat(vm[1], " recursive calls)")
+                          : formatComponentName(vm));
+                  })
+                      .join('\n'));
+          }
+          else {
+              return "\n\n(found in ".concat(formatComponentName(vm), ")");
+          }
+      };
+  }
+
+  /******************************************************************************
+  Copyright (c) Microsoft Corporation.
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted.
+
+  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+  REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+  AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+  INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+  LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+  OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+  PERFORMANCE OF THIS SOFTWARE.
+  ***************************************************************************** */
+
+  var __assign = function() {
+      __assign = Object.assign || function __assign(t) {
+          for (var s, i = 1, n = arguments.length; i < n; i++) {
+              s = arguments[i];
+              for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
+          }
+          return t;
+      };
+      return __assign.apply(this, arguments);
   };
 
-  // in case the child is also an abstract component, e.g. <keep-alive>
-  // we want to recursively retrieve the real component to be rendered
-  function getRealChild (vnode) {
-    var compOptions = vnode && vnode.componentOptions;
-    if (compOptions && compOptions.Ctor.options.abstract) {
-      return getRealChild(getFirstComponentChild(compOptions.children))
-    } else {
-      return vnode
-    }
-  }
-
-  function extractTransitionData (comp) {
-    var data = {};
-    var options = comp.$options;
-    // props
-    for (var key in options.propsData) {
-      data[key] = comp[key];
-    }
-    // events.
-    // extract listeners and pass them directly to the transition methods
-    var listeners = options._parentListeners;
-    for (var key$1 in listeners) {
-      data[camelize(key$1)] = listeners[key$1];
-    }
-    return data
-  }
-
-  function placeholder (h, rawChild) {
-    if (/\d-keep-alive$/.test(rawChild.tag)) {
-      return h('keep-alive', {
-        props: rawChild.componentOptions.propsData
-      })
-    }
-  }
+  var uid$2 = 0;
+  /**
+   * A dep is an observable that can have multiple
+   * directives subscribing to it.
+   * @internal
+   */
+  var Dep = /** @class */ (function () {
+      function Dep() {
+          this.id = uid$2++;
+          this.subs = [];
+      }
+      Dep.prototype.addSub = function (sub) {
+          this.subs.push(sub);
+      };
+      Dep.prototype.removeSub = function (sub) {
+          remove$2(this.subs, sub);
+      };
+      Dep.prototype.depend = function (info) {
+          if (Dep.target) {
+              Dep.target.addDep(this);
+              if (info && Dep.target.onTrack) {
+                  Dep.target.onTrack(__assign({ effect: Dep.target }, info));
+              }
+          }
+      };
+      Dep.prototype.notify = function (info) {
+          // stabilize the subscriber list first
+          var subs = this.subs.slice();
+          if (!config.async) {
+              // subs aren't sorted in scheduler if not running async
+              // we need to sort them now to make sure they fire in correct
+              // order
+              subs.sort(function (a, b) { return a.id - b.id; });
+          }
+          for (var i = 0, l = subs.length; i < l; i++) {
+              if (info) {
+                  var sub = subs[i];
+                  sub.onTrigger &&
+                      sub.onTrigger(__assign({ effect: subs[i] }, info));
+              }
+              subs[i].update();
+          }
+      };
+      return Dep;
+  }());
+  // The current target watcher being evaluated.
+  // This is globally unique because only one watcher
+  // can be evaluated at a time.
+  Dep.target = null;
+  var targetStack = [];
+  function pushTarget(target) {
+      targetStack.push(target);
+      Dep.target = target;
+  }
+  function popTarget() {
+      targetStack.pop();
+      Dep.target = targetStack[targetStack.length - 1];
+  }
+
+  /**
+   * @internal
+   */
+  var VNode = /** @class */ (function () {
+      function VNode(tag, data, children, text, elm, context, componentOptions, asyncFactory) {
+          this.tag = tag;
+          this.data = data;
+          this.children = children;
+          this.text = text;
+          this.elm = elm;
+          this.ns = undefined;
+          this.context = context;
+          this.fnContext = undefined;
+          this.fnOptions = undefined;
+          this.fnScopeId = undefined;
+          this.key = data && data.key;
+          this.componentOptions = componentOptions;
+          this.componentInstance = undefined;
+          this.parent = undefined;
+          this.raw = false;
+          this.isStatic = false;
+          this.isRootInsert = true;
+          this.isComment = false;
+          this.isCloned = false;
+          this.isOnce = false;
+          this.asyncFactory = asyncFactory;
+          this.asyncMeta = undefined;
+          this.isAsyncPlaceholder = false;
+      }
+      Object.defineProperty(VNode.prototype, "child", {
+          // DEPRECATED: alias for componentInstance for backwards compat.
+          /* istanbul ignore next */
+          get: function () {
+              return this.componentInstance;
+          },
+          enumerable: false,
+          configurable: true
+      });
+      return VNode;
+  }());
+  var createEmptyVNode = function (text) {
+      if (text === void 0) { text = ''; }
+      var node = new VNode();
+      node.text = text;
+      node.isComment = true;
+      return node;
+  };
+  function createTextVNode(val) {
+      return new VNode(undefined, undefined, undefined, String(val));
+  }
+  // optimized shallow clone
+  // used for static nodes and slot nodes because they may be reused across
+  // multiple renders, cloning them avoids errors when DOM manipulations rely
+  // on their elm reference.
+  function cloneVNode(vnode) {
+      var cloned = new VNode(vnode.tag, vnode.data, 
+      // #7975
+      // clone children array to avoid mutating original in case of cloning
+      // a child.
+      vnode.children && vnode.children.slice(), vnode.text, vnode.elm, vnode.context, vnode.componentOptions, vnode.asyncFactory);
+      cloned.ns = vnode.ns;
+      cloned.isStatic = vnode.isStatic;
+      cloned.key = vnode.key;
+      cloned.isComment = vnode.isComment;
+      cloned.fnContext = vnode.fnContext;
+      cloned.fnOptions = vnode.fnOptions;
+      cloned.fnScopeId = vnode.fnScopeId;
+      cloned.asyncMeta = vnode.asyncMeta;
+      cloned.isCloned = true;
+      return cloned;
+  }
+
+  /*
+   * not type checking this file because flow doesn't play well with
+   * dynamically accessing methods on Array prototype
+   */
+  var arrayProto = Array.prototype;
+  var arrayMethods = Object.create(arrayProto);
+  var methodsToPatch = [
+      'push',
+      'pop',
+      'shift',
+      'unshift',
+      'splice',
+      'sort',
+      'reverse'
+  ];
+  /**
+   * Intercept mutating methods and emit events
+   */
+  methodsToPatch.forEach(function (method) {
+      // cache original method
+      var original = arrayProto[method];
+      def(arrayMethods, method, function mutator() {
+          var args = [];
+          for (var _i = 0; _i < arguments.length; _i++) {
+              args[_i] = arguments[_i];
+          }
+          var result = original.apply(this, args);
+          var ob = this.__ob__;
+          var inserted;
+          switch (method) {
+              case 'push':
+              case 'unshift':
+                  inserted = args;
+                  break;
+              case 'splice':
+                  inserted = args.slice(2);
+                  break;
+          }
+          if (inserted)
+              ob.observeArray(inserted);
+          // notify change
+          {
+              ob.dep.notify({
+                  type: "array mutation" /* TriggerOpTypes.ARRAY_MUTATION */,
+                  target: this,
+                  key: method
+              });
+          }
+          return result;
+      });
+  });
 
-  function hasParentTransition (vnode) {
-    while ((vnode = vnode.parent)) {
-      if (vnode.data.transition) {
-        return true
-      }
-    }
-  }
+  function reactive(target) {
+      makeReactive(target, false);
+      return target;
+  }
+  /**
+   * Return a shallowly-reactive copy of the original object, where only the root
+   * level properties are reactive. It also does not auto-unwrap refs (even at the
+   * root level).
+   */
+  function shallowReactive(target) {
+      makeReactive(target, true);
+      def(target, "__v_isShallow" /* ReactiveFlags.IS_SHALLOW */, true);
+      return target;
+  }
+  function makeReactive(target, shallow) {
+      // if trying to observe a readonly proxy, return the readonly version.
+      if (!isReadonly(target)) {
+          {
+              if (isArray(target)) {
+                  warn$2("Avoid using Array as root value for ".concat(shallow ? "shallowReactive()" : "reactive()", " as it cannot be tracked in watch() or watchEffect(). Use ").concat(shallow ? "shallowRef()" : "ref()", " instead. This is a Vue-2-only limitation."));
+              }
+              var existingOb = target && target.__ob__;
+              if (existingOb && existingOb.shallow !== shallow) {
+                  warn$2("Target is already a ".concat(existingOb.shallow ? "" : "non-", "shallow reactive object, and cannot be converted to ").concat(shallow ? "" : "non-", "shallow."));
+              }
+          }
+          var ob = observe(target, shallow);
+          if (!ob) {
+              if (target == null || isPrimitive(target)) {
+                  warn$2("value cannot be made reactive: ".concat(String(target)));
+              }
+              if (isCollectionType(target)) {
+                  warn$2("Vue 2 does not support reactive collection types such as Map or Set.");
+              }
+          }
+      }
+  }
+  function isReactive(value) {
+      if (isReadonly(value)) {
+          return isReactive(value["__v_raw" /* ReactiveFlags.RAW */]);
+      }
+      return !!(value && value.__ob__);
+  }
+  function isShallow(value) {
+      return !!(value && value.__v_isShallow);
+  }
+  function isReadonly(value) {
+      return !!(value && value.__v_isReadonly);
+  }
+  function isProxy(value) {
+      return isReactive(value) || isReadonly(value);
+  }
+  function toRaw(observed) {
+      var raw = observed && observed["__v_raw" /* ReactiveFlags.RAW */];
+      return raw ? toRaw(raw) : observed;
+  }
+  function markRaw(value) {
+      def(value, "__v_skip" /* ReactiveFlags.SKIP */, true);
+      return value;
+  }
+  /**
+   * @internal
+   */
+  function isCollectionType(value) {
+      var type = toRawType(value);
+      return (type === 'Map' || type === 'WeakMap' || type === 'Set' || type === 'WeakSet');
+  }
+
+  /**
+   * @internal
+   */
+  var RefFlag = "__v_isRef";
+  function isRef(r) {
+      return !!(r && r.__v_isRef === true);
+  }
+  function ref$1(value) {
+      return createRef(value, false);
+  }
+  function shallowRef(value) {
+      return createRef(value, true);
+  }
+  function createRef(rawValue, shallow) {
+      if (isRef(rawValue)) {
+          return rawValue;
+      }
+      var ref = {};
+      def(ref, RefFlag, true);
+      def(ref, "__v_isShallow" /* ReactiveFlags.IS_SHALLOW */, true);
+      ref.dep = defineReactive(ref, 'value', rawValue, null, shallow);
+      return ref;
+  }
+  function triggerRef(ref) {
+      if (!ref.dep) {
+          warn$2("received object is not a triggerable ref.");
+      }
+      {
+          ref.dep &&
+              ref.dep.notify({
+                  type: "set" /* TriggerOpTypes.SET */,
+                  target: ref,
+                  key: 'value'
+              });
+      }
+  }
+  function unref(ref) {
+      return isRef(ref) ? ref.value : ref;
+  }
+  function customRef(factory) {
+      var dep = new Dep();
+      var _a = factory(function () {
+          {
+              dep.depend({
+                  target: ref,
+                  type: "get" /* TrackOpTypes.GET */,
+                  key: 'value'
+              });
+          }
+      }, function () {
+          {
+              dep.notify({
+                  target: ref,
+                  type: "set" /* TriggerOpTypes.SET */,
+                  key: 'value'
+              });
+          }
+      }), get = _a.get, set = _a.set;
+      var ref = {
+          get value() {
+              return get();
+          },
+          set value(newVal) {
+              set(newVal);
+          }
+      };
+      def(ref, RefFlag, true);
+      return ref;
+  }
+  function toRefs(object) {
+      if (!isReactive(object)) {
+          warn$2("toRefs() expects a reactive object but received a plain one.");
+      }
+      var ret = isArray(object) ? new Array(object.length) : {};
+      for (var key in object) {
+          ret[key] = toRef(object, key);
+      }
+      return ret;
+  }
+  function toRef(object, key, defaultValue) {
+      var val = object[key];
+      if (isRef(val)) {
+          return val;
+      }
+      var ref = {
+          get value() {
+              var val = object[key];
+              return val === undefined ? defaultValue : val;
+          },
+          set value(newVal) {
+              object[key] = newVal;
+          }
+      };
+      def(ref, RefFlag, true);
+      return ref;
+  }
+
+  var rawToReadonlyFlag = "__v_rawToReadonly";
+  var rawToShallowReadonlyFlag = "__v_rawToShallowReadonly";
+  function readonly(target) {
+      return createReadonly(target, false);
+  }
+  function createReadonly(target, shallow) {
+      if (!isPlainObject(target)) {
+          {
+              if (isArray(target)) {
+                  warn$2("Vue 2 does not support readonly arrays.");
+              }
+              else if (isCollectionType(target)) {
+                  warn$2("Vue 2 does not support readonly collection types such as Map or Set.");
+              }
+              else {
+                  warn$2("value cannot be made readonly: ".concat(typeof target));
+              }
+          }
+          return target;
+      }
+      // already a readonly object
+      if (isReadonly(target)) {
+          return target;
+      }
+      // already has a readonly proxy
+      var existingFlag = shallow ? rawToShallowReadonlyFlag : rawToReadonlyFlag;
+      var existingProxy = target[existingFlag];
+      if (existingProxy) {
+          return existingProxy;
+      }
+      var proxy = Object.create(Object.getPrototypeOf(target));
+      def(target, existingFlag, proxy);
+      def(proxy, "__v_isReadonly" /* ReactiveFlags.IS_READONLY */, true);
+      def(proxy, "__v_raw" /* ReactiveFlags.RAW */, target);
+      if (isRef(target)) {
+          def(proxy, RefFlag, true);
+      }
+      if (shallow || isShallow(target)) {
+          def(proxy, "__v_isShallow" /* ReactiveFlags.IS_SHALLOW */, true);
+      }
+      var keys = Object.keys(target);
+      for (var i = 0; i < keys.length; i++) {
+          defineReadonlyProperty(proxy, target, keys[i], shallow);
+      }
+      return proxy;
+  }
+  function defineReadonlyProperty(proxy, target, key, shallow) {
+      Object.defineProperty(proxy, key, {
+          enumerable: true,
+          configurable: true,
+          get: function () {
+              var val = target[key];
+              return shallow || !isPlainObject(val) ? val : readonly(val);
+          },
+          set: function () {
+              warn$2("Set operation on key \"".concat(key, "\" failed: target is readonly."));
+          }
+      });
+  }
+  /**
+   * Returns a reactive-copy of the original object, where only the root level
+   * properties are readonly, and does NOT unwrap refs nor recursively convert
+   * returned properties.
+   * This is used for creating the props proxy object for stateful components.
+   */
+  function shallowReadonly(target) {
+      return createReadonly(target, true);
+  }
+
+  var seenObjects = new _Set();
+  /**
+   * Recursively traverse an object to evoke all converted
+   * getters, so that every nested property inside the object
+   * is collected as a "deep" dependency.
+   */
+  function traverse(val) {
+      _traverse(val, seenObjects);
+      seenObjects.clear();
+      return val;
+  }
+  function _traverse(val, seen) {
+      var i, keys;
+      var isA = isArray(val);
+      if ((!isA && !isObject(val)) ||
+          Object.isFrozen(val) ||
+          val instanceof VNode) {
+          return;
+      }
+      if (val.__ob__) {
+          var depId = val.__ob__.dep.id;
+          if (seen.has(depId)) {
+              return;
+          }
+          seen.add(depId);
+      }
+      if (isA) {
+          i = val.length;
+          while (i--)
+              _traverse(val[i], seen);
+      }
+      else {
+          keys = Object.keys(val);
+          i = keys.length;
+          while (i--)
+              _traverse(val[keys[i]], seen);
+      }
+  }
+
+  var mark;
+  var measure;
+  {
+      var perf_1 = inBrowser && window.performance;
+      /* istanbul ignore if */
+      if (perf_1 &&
+          // @ts-ignore
+          perf_1.mark &&
+          // @ts-ignore
+          perf_1.measure &&
+          // @ts-ignore
+          perf_1.clearMarks &&
+          // @ts-ignore
+          perf_1.clearMeasures) {
+          mark = function (tag) { return perf_1.mark(tag); };
+          measure = function (name, startTag, endTag) {
+              perf_1.measure(name, startTag, endTag);
+              perf_1.clearMarks(startTag);
+              perf_1.clearMarks(endTag);
+              // perf.clearMeasures(name)
+          };
+      }
+  }
+
+  var normalizeEvent = cached(function (name) {
+      var passive = name.charAt(0) === '&';
+      name = passive ? name.slice(1) : name;
+      var once = name.charAt(0) === '~'; // Prefixed last, checked first
+      name = once ? name.slice(1) : name;
+      var capture = name.charAt(0) === '!';
+      name = capture ? name.slice(1) : name;
+      return {
+          name: name,
+          once: once,
+          capture: capture,
+          passive: passive
+      };
+  });
+  function createFnInvoker(fns, vm) {
+      function invoker() {
+          var fns = invoker.fns;
+          if (isArray(fns)) {
+              var cloned = fns.slice();
+              for (var i = 0; i < cloned.length; i++) {
+                  invokeWithErrorHandling(cloned[i], null, arguments, vm, "v-on handler");
+              }
+          }
+          else {
+              // return handler return value for single handlers
+              return invokeWithErrorHandling(fns, null, arguments, vm, "v-on handler");
+          }
+      }
+      invoker.fns = fns;
+      return invoker;
+  }
+  function updateListeners(on, oldOn, add, remove, createOnceHandler, vm) {
+      var name, cur, old, event;
+      for (name in on) {
+          cur = on[name];
+          old = oldOn[name];
+          event = normalizeEvent(name);
+          if (isUndef(cur)) {
+              warn$2("Invalid handler for event \"".concat(event.name, "\": got ") + String(cur), vm);
+          }
+          else if (isUndef(old)) {
+              if (isUndef(cur.fns)) {
+                  cur = on[name] = createFnInvoker(cur, vm);
+              }
+              if (isTrue(event.once)) {
+                  cur = on[name] = createOnceHandler(event.name, cur, event.capture);
+              }
+              add(event.name, cur, event.capture, event.passive, event.params);
+          }
+          else if (cur !== old) {
+              old.fns = cur;
+              on[name] = old;
+          }
+      }
+      for (name in oldOn) {
+          if (isUndef(on[name])) {
+              event = normalizeEvent(name);
+              remove(event.name, oldOn[name], event.capture);
+          }
+      }
+  }
+
+  function mergeVNodeHook(def, hookKey, hook) {
+      if (def instanceof VNode) {
+          def = def.data.hook || (def.data.hook = {});
+      }
+      var invoker;
+      var oldHook = def[hookKey];
+      function wrappedHook() {
+          hook.apply(this, arguments);
+          // important: remove merged hook to ensure it's called only once
+          // and prevent memory leak
+          remove$2(invoker.fns, wrappedHook);
+      }
+      if (isUndef(oldHook)) {
+          // no existing hook
+          invoker = createFnInvoker([wrappedHook]);
+      }
+      else {
+          /* istanbul ignore if */
+          if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {
+              // already a merged invoker
+              invoker = oldHook;
+              invoker.fns.push(wrappedHook);
+          }
+          else {
+              // existing plain hook
+              invoker = createFnInvoker([oldHook, wrappedHook]);
+          }
+      }
+      invoker.merged = true;
+      def[hookKey] = invoker;
+  }
+
+  function extractPropsFromVNodeData(data, Ctor, tag) {
+      // we are only extracting raw values here.
+      // validation and default values are handled in the child
+      // component itself.
+      var propOptions = Ctor.options.props;
+      if (isUndef(propOptions)) {
+          return;
+      }
+      var res = {};
+      var attrs = data.attrs, props = data.props;
+      if (isDef(attrs) || isDef(props)) {
+          for (var key in propOptions) {
+              var altKey = hyphenate(key);
+              {
+                  var keyInLowerCase = key.toLowerCase();
+                  if (key !== keyInLowerCase && attrs && hasOwn(attrs, keyInLowerCase)) {
+                      tip("Prop \"".concat(keyInLowerCase, "\" is passed to component ") +
+                          "".concat(formatComponentName(
+                          // @ts-expect-error tag is string
+                          tag || Ctor), ", but the declared prop name is") +
+                          " \"".concat(key, "\". ") +
+                          "Note that HTML attributes are case-insensitive and camelCased " +
+                          "props need to use their kebab-case equivalents when using in-DOM " +
+                          "templates. You should probably use \"".concat(altKey, "\" instead of \"").concat(key, "\"."));
+                  }
+              }
+              checkProp(res, props, key, altKey, true) ||
+                  checkProp(res, attrs, key, altKey, false);
+          }
+      }
+      return res;
+  }
+  function checkProp(res, hash, key, altKey, preserve) {
+      if (isDef(hash)) {
+          if (hasOwn(hash, key)) {
+              res[key] = hash[key];
+              if (!preserve) {
+                  delete hash[key];
+              }
+              return true;
+          }
+          else if (hasOwn(hash, altKey)) {
+              res[key] = hash[altKey];
+              if (!preserve) {
+                  delete hash[altKey];
+              }
+              return true;
+          }
+      }
+      return false;
+  }
+
+  // The template compiler attempts to minimize the need for normalization by
+  // statically analyzing the template at compile time.
+  //
+  // For plain HTML markup, normalization can be completely skipped because the
+  // generated render function is guaranteed to return Array<VNode>. There are
+  // two cases where extra normalization is needed:
+  // 1. When the children contains components - because a functional component
+  // may return an Array instead of a single root. In this case, just a simple
+  // normalization is needed - if any child is an Array, we flatten the whole
+  // thing with Array.prototype.concat. It is guaranteed to be only 1-level deep
+  // because functional components already normalize their own children.
+  function simpleNormalizeChildren(children) {
+      for (var i = 0; i < children.length; i++) {
+          if (isArray(children[i])) {
+              return Array.prototype.concat.apply([], children);
+          }
+      }
+      return children;
+  }
+  // 2. When the children contains constructs that always generated nested Arrays,
+  // e.g. <template>, <slot>, v-for, or when the children is provided by user
+  // with hand-written render functions / JSX. In such cases a full normalization
+  // is needed to cater to all possible types of children values.
+  function normalizeChildren(children) {
+      return isPrimitive(children)
+          ? [createTextVNode(children)]
+          : isArray(children)
+              ? normalizeArrayChildren(children)
+              : undefined;
+  }
+  function isTextNode(node) {
+      return isDef(node) && isDef(node.text) && isFalse(node.isComment);
+  }
+  function normalizeArrayChildren(children, nestedIndex) {
+      var res = [];
+      var i, c, lastIndex, last;
+      for (i = 0; i < children.length; i++) {
+          c = children[i];
+          if (isUndef(c) || typeof c === 'boolean')
+              continue;
+          lastIndex = res.length - 1;
+          last = res[lastIndex];
+          //  nested
+          if (isArray(c)) {
+              if (c.length > 0) {
+                  c = normalizeArrayChildren(c, "".concat(nestedIndex || '', "_").concat(i));
+                  // merge adjacent text nodes
+                  if (isTextNode(c[0]) && isTextNode(last)) {
+                      res[lastIndex] = createTextVNode(last.text + c[0].text);
+                      c.shift();
+                  }
+                  res.push.apply(res, c);
+              }
+          }
+          else if (isPrimitive(c)) {
+              if (isTextNode(last)) {
+                  // merge adjacent text nodes
+                  // this is necessary for SSR hydration because text nodes are
+                  // essentially merged when rendered to HTML strings
+                  res[lastIndex] = createTextVNode(last.text + c);
+              }
+              else if (c !== '') {
+                  // convert primitive to vnode
+                  res.push(createTextVNode(c));
+              }
+          }
+          else {
+              if (isTextNode(c) && isTextNode(last)) {
+                  // merge adjacent text nodes
+                  res[lastIndex] = createTextVNode(last.text + c.text);
+              }
+              else {
+                  // default key for nested array children (likely generated by v-for)
+                  if (isTrue(children._isVList) &&
+                      isDef(c.tag) &&
+                      isUndef(c.key) &&
+                      isDef(nestedIndex)) {
+                      c.key = "__vlist".concat(nestedIndex, "_").concat(i, "__");
+                  }
+                  res.push(c);
+              }
+          }
+      }
+      return res;
+  }
+
+  /* not type checking this file because flow doesn't play well with Proxy */
+  var initProxy;
+  {
+      var allowedGlobals_1 = makeMap('Infinity,undefined,NaN,isFinite,isNaN,' +
+          'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +
+          'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,BigInt,' +
+          'require' // for Webpack/Browserify
+      );
+      var warnNonPresent_1 = function (target, key) {
+          warn$2("Property or method \"".concat(key, "\" is not defined on the instance but ") +
+              'referenced during render. Make sure that this property is reactive, ' +
+              'either in the data option, or for class-based components, by ' +
+              'initializing the property. ' +
+              'See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.', target);
+      };
+      var warnReservedPrefix_1 = function (target, key) {
+          warn$2("Property \"".concat(key, "\" must be accessed with \"$data.").concat(key, "\" because ") +
+              'properties starting with "$" or "_" are not proxied in the Vue instance to ' +
+              'prevent conflicts with Vue internals. ' +
+              'See: https://vuejs.org/v2/api/#data', target);
+      };
+      var hasProxy_1 = typeof Proxy !== 'undefined' && isNative(Proxy);
+      if (hasProxy_1) {
+          var isBuiltInModifier_1 = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');
+          config.keyCodes = new Proxy(config.keyCodes, {
+              set: function (target, key, value) {
+                  if (isBuiltInModifier_1(key)) {
+                      warn$2("Avoid overwriting built-in modifier in config.keyCodes: .".concat(key));
+                      return false;
+                  }
+                  else {
+                      target[key] = value;
+                      return true;
+                  }
+              }
+          });
+      }
+      var hasHandler_1 = {
+          has: function (target, key) {
+              var has = key in target;
+              var isAllowed = allowedGlobals_1(key) ||
+                  (typeof key === 'string' &&
+                      key.charAt(0) === '_' &&
+                      !(key in target.$data));
+              if (!has && !isAllowed) {
+                  if (key in target.$data)
+                      warnReservedPrefix_1(target, key);
+                  else
+                      warnNonPresent_1(target, key);
+              }
+              return has || !isAllowed;
+          }
+      };
+      var getHandler_1 = {
+          get: function (target, key) {
+              if (typeof key === 'string' && !(key in target)) {
+                  if (key in target.$data)
+                      warnReservedPrefix_1(target, key);
+                  else
+                      warnNonPresent_1(target, key);
+              }
+              return target[key];
+          }
+      };
+      initProxy = function initProxy(vm) {
+          if (hasProxy_1) {
+              // determine which proxy handler to use
+              var options = vm.$options;
+              var handlers = options.render && options.render._withStripped ? getHandler_1 : hasHandler_1;
+              vm._renderProxy = new Proxy(vm, handlers);
+          }
+          else {
+              vm._renderProxy = vm;
+          }
+      };
+  }
+
+  function initSetup(vm) {
+      var options = vm.$options;
+      var setup = options.setup;
+      if (setup) {
+          var ctx = (vm._setupContext = createSetupContext(vm));
+          setCurrentInstance(vm);
+          pushTarget();
+          var setupResult = invokeWithErrorHandling(setup, null, [vm._props || shallowReactive({}), ctx], vm, "setup");
+          popTarget();
+          setCurrentInstance();
+          if (isFunction(setupResult)) {
+              // render function
+              // @ts-ignore
+              options.render = setupResult;
+          }
+          else if (isObject(setupResult)) {
+              // bindings
+              if (setupResult instanceof VNode) {
+                  warn$2("setup() should not return VNodes directly - " +
+                      "return a render function instead.");
+              }
+              vm._setupState = setupResult;
+              // __sfc indicates compiled bindings from <script setup>
+              if (!setupResult.__sfc) {
+                  for (var key in setupResult) {
+                      if (!isReserved(key)) {
+                          proxyWithRefUnwrap(vm, setupResult, key);
+                      }
+                      else {
+                          warn$2("Avoid using variables that start with _ or $ in setup().");
+                      }
+                  }
+              }
+              else {
+                  // exposed for compiled render fn
+                  var proxy = (vm._setupProxy = {});
+                  for (var key in setupResult) {
+                      proxyWithRefUnwrap(proxy, setupResult, key);
+                  }
+              }
+          }
+          else if (setupResult !== undefined) {
+              warn$2("setup() should return an object. Received: ".concat(setupResult === null ? 'null' : typeof setupResult));
+          }
+      }
+  }
+  function proxyWithRefUnwrap(target, source, key) {
+      Object.defineProperty(target, key, {
+          enumerable: true,
+          configurable: true,
+          get: function () {
+              var raw = source[key];
+              return isRef(raw) ? raw.value : raw;
+          },
+          set: function (newVal) {
+              var raw = source[key];
+              isRef(raw) ? (raw.value = newVal) : (source[key] = newVal);
+          }
+      });
+  }
+  function createSetupContext(vm) {
+      var exposeCalled = false;
+      return {
+          get attrs() {
+              return initAttrsProxy(vm);
+          },
+          get slots() {
+              return initSlotsProxy(vm);
+          },
+          emit: bind$1(vm.$emit, vm),
+          expose: function (exposed) {
+              {
+                  if (exposeCalled) {
+                      warn$2("expose() should be called only once per setup().", vm);
+                  }
+                  exposeCalled = true;
+              }
+              if (exposed) {
+                  Object.keys(exposed).forEach(function (key) {
+                      return proxyWithRefUnwrap(vm, exposed, key);
+                  });
+              }
+          }
+      };
+  }
+  function initAttrsProxy(vm) {
+      if (!vm._attrsProxy) {
+          var proxy = (vm._attrsProxy = {});
+          def(proxy, '_v_attr_proxy', true);
+          syncSetupAttrs(proxy, vm.$attrs, emptyObject, vm);
+      }
+      return vm._attrsProxy;
+  }
+  function syncSetupAttrs(to, from, prev, instance) {
+      var changed = false;
+      for (var key in from) {
+          if (!(key in to)) {
+              changed = true;
+              defineProxyAttr(to, key, instance);
+          }
+          else if (from[key] !== prev[key]) {
+              changed = true;
+          }
+      }
+      for (var key in to) {
+          if (!(key in from)) {
+              changed = true;
+              delete to[key];
+          }
+      }
+      return changed;
+  }
+  function defineProxyAttr(proxy, key, instance) {
+      Object.defineProperty(proxy, key, {
+          enumerable: true,
+          configurable: true,
+          get: function () {
+              return instance.$attrs[key];
+          }
+      });
+  }
+  function initSlotsProxy(vm) {
+      if (!vm._slotsProxy) {
+          syncSetupSlots((vm._slotsProxy = {}), vm.$scopedSlots);
+      }
+      return vm._slotsProxy;
+  }
+  function syncSetupSlots(to, from) {
+      for (var key in from) {
+          to[key] = from[key];
+      }
+      for (var key in to) {
+          if (!(key in from)) {
+              delete to[key];
+          }
+      }
+  }
+  /**
+   * @internal use manual type def
+   */
+  function useSlots() {
+      return getContext().slots;
+  }
+  /**
+   * @internal use manual type def
+   */
+  function useAttrs() {
+      return getContext().attrs;
+  }
+  function getContext() {
+      if (!currentInstance) {
+          warn$2("useContext() called without active instance.");
+      }
+      var vm = currentInstance;
+      return vm._setupContext || (vm._setupContext = createSetupContext(vm));
+  }
+  /**
+   * Runtime helper for merging default declarations. Imported by compiled code
+   * only.
+   * @internal
+   */
+  function mergeDefaults(raw, defaults) {
+      var props = isArray(raw)
+          ? raw.reduce(function (normalized, p) { return ((normalized[p] = {}), normalized); }, {})
+          : raw;
+      for (var key in defaults) {
+          var opt = props[key];
+          if (opt) {
+              if (isArray(opt) || isFunction(opt)) {
+                  props[key] = { type: opt, default: defaults[key] };
+              }
+              else {
+                  opt.default = defaults[key];
+              }
+          }
+          else if (opt === null) {
+              props[key] = { default: defaults[key] };
+          }
+          else {
+              warn$2("props default key \"".concat(key, "\" has no corresponding declaration."));
+          }
+      }
+      return props;
+  }
+
+  var sharedPropertyDefinition = {
+      enumerable: true,
+      configurable: true,
+      get: noop,
+      set: noop
+  };
+  function proxy(target, sourceKey, key) {
+      sharedPropertyDefinition.get = function proxyGetter() {
+          return this[sourceKey][key];
+      };
+      sharedPropertyDefinition.set = function proxySetter(val) {
+          this[sourceKey][key] = val;
+      };
+      Object.defineProperty(target, key, sharedPropertyDefinition);
+  }
+  function initState(vm) {
+      var opts = vm.$options;
+      if (opts.props)
+          initProps$1(vm, opts.props);
+      // Composition API
+      initSetup(vm);
+      if (opts.methods)
+          initMethods(vm, opts.methods);
+      if (opts.data) {
+          initData(vm);
+      }
+      else {
+          var ob = observe((vm._data = {}));
+          ob && ob.vmCount++;
+      }
+      if (opts.computed)
+          initComputed$1(vm, opts.computed);
+      if (opts.watch && opts.watch !== nativeWatch) {
+          initWatch(vm, opts.watch);
+      }
+  }
+  function initProps$1(vm, propsOptions) {
+      var propsData = vm.$options.propsData || {};
+      var props = (vm._props = shallowReactive({}));
+      // cache prop keys so that future props updates can iterate using Array
+      // instead of dynamic object key enumeration.
+      var keys = (vm.$options._propKeys = []);
+      var isRoot = !vm.$parent;
+      // root instance props should be converted
+      if (!isRoot) {
+          toggleObserving(false);
+      }
+      var _loop_1 = function (key) {
+          keys.push(key);
+          var value = validateProp(key, propsOptions, propsData, vm);
+          /* istanbul ignore else */
+          {
+              var hyphenatedKey = hyphenate(key);
+              if (isReservedAttribute(hyphenatedKey) ||
+                  config.isReservedAttr(hyphenatedKey)) {
+                  warn$2("\"".concat(hyphenatedKey, "\" is a reserved attribute and cannot be used as component prop."), vm);
+              }
+              defineReactive(props, key, value, function () {
+                  if (!isRoot && !isUpdatingChildComponent) {
+                      warn$2("Avoid mutating a prop directly since the value will be " +
+                          "overwritten whenever the parent component re-renders. " +
+                          "Instead, use a data or computed property based on the prop's " +
+                          "value. Prop being mutated: \"".concat(key, "\""), vm);
+                  }
+              });
+          }
+          // static props are already proxied on the component's prototype
+          // during Vue.extend(). We only need to proxy props defined at
+          // instantiation here.
+          if (!(key in vm)) {
+              proxy(vm, "_props", key);
+          }
+      };
+      for (var key in propsOptions) {
+          _loop_1(key);
+      }
+      toggleObserving(true);
+  }
+  function initData(vm) {
+      var data = vm.$options.data;
+      data = vm._data = isFunction(data) ? getData(data, vm) : data || {};
+      if (!isPlainObject(data)) {
+          data = {};
+          warn$2('data functions should return an object:\n' +
+                  'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function', vm);
+      }
+      // proxy data on instance
+      var keys = Object.keys(data);
+      var props = vm.$options.props;
+      var methods = vm.$options.methods;
+      var i = keys.length;
+      while (i--) {
+          var key = keys[i];
+          {
+              if (methods && hasOwn(methods, key)) {
+                  warn$2("Method \"".concat(key, "\" has already been defined as a data property."), vm);
+              }
+          }
+          if (props && hasOwn(props, key)) {
+              warn$2("The data property \"".concat(key, "\" is already declared as a prop. ") +
+                      "Use prop default value instead.", vm);
+          }
+          else if (!isReserved(key)) {
+              proxy(vm, "_data", key);
+          }
+      }
+      // observe data
+      var ob = observe(data);
+      ob && ob.vmCount++;
+  }
+  function getData(data, vm) {
+      // #7573 disable dep collection when invoking data getters
+      pushTarget();
+      try {
+          return data.call(vm, vm);
+      }
+      catch (e) {
+          handleError(e, vm, "data()");
+          return {};
+      }
+      finally {
+          popTarget();
+      }
+  }
+  var computedWatcherOptions = { lazy: true };
+  function initComputed$1(vm, computed) {
+      // $flow-disable-line
+      var watchers = (vm._computedWatchers = Object.create(null));
+      // computed properties are just getters during SSR
+      var isSSR = isServerRendering();
+      for (var key in computed) {
+          var userDef = computed[key];
+          var getter = isFunction(userDef) ? userDef : userDef.get;
+          if (getter == null) {
+              warn$2("Getter is missing for computed property \"".concat(key, "\"."), vm);
+          }
+          if (!isSSR) {
+              // create internal watcher for the computed property.
+              watchers[key] = new Watcher(vm, getter || noop, noop, computedWatcherOptions);
+          }
+          // component-defined computed properties are already defined on the
+          // component prototype. We only need to define computed properties defined
+          // at instantiation here.
+          if (!(key in vm)) {
+              defineComputed(vm, key, userDef);
+          }
+          else {
+              if (key in vm.$data) {
+                  warn$2("The computed property \"".concat(key, "\" is already defined in data."), vm);
+              }
+              else if (vm.$options.props && key in vm.$options.props) {
+                  warn$2("The computed property \"".concat(key, "\" is already defined as a prop."), vm);
+              }
+              else if (vm.$options.methods && key in vm.$options.methods) {
+                  warn$2("The computed property \"".concat(key, "\" is already defined as a method."), vm);
+              }
+          }
+      }
+  }
+  function defineComputed(target, key, userDef) {
+      var shouldCache = !isServerRendering();
+      if (isFunction(userDef)) {
+          sharedPropertyDefinition.get = shouldCache
+              ? createComputedGetter(key)
+              : createGetterInvoker(userDef);
+          sharedPropertyDefinition.set = noop;
+      }
+      else {
+          sharedPropertyDefinition.get = userDef.get
+              ? shouldCache && userDef.cache !== false
+                  ? createComputedGetter(key)
+                  : createGetterInvoker(userDef.get)
+              : noop;
+          sharedPropertyDefinition.set = userDef.set || noop;
+      }
+      if (sharedPropertyDefinition.set === noop) {
+          sharedPropertyDefinition.set = function () {
+              warn$2("Computed property \"".concat(key, "\" was assigned to but it has no setter."), this);
+          };
+      }
+      Object.defineProperty(target, key, sharedPropertyDefinition);
+  }
+  function createComputedGetter(key) {
+      return function computedGetter() {
+          var watcher = this._computedWatchers && this._computedWatchers[key];
+          if (watcher) {
+              if (watcher.dirty) {
+                  watcher.evaluate();
+              }
+              if (Dep.target) {
+                  if (Dep.target.onTrack) {
+                      Dep.target.onTrack({
+                          effect: Dep.target,
+                          target: this,
+                          type: "get" /* TrackOpTypes.GET */,
+                          key: key
+                      });
+                  }
+                  watcher.depend();
+              }
+              return watcher.value;
+          }
+      };
+  }
+  function createGetterInvoker(fn) {
+      return function computedGetter() {
+          return fn.call(this, this);
+      };
+  }
+  function initMethods(vm, methods) {
+      var props = vm.$options.props;
+      for (var key in methods) {
+          {
+              if (typeof methods[key] !== 'function') {
+                  warn$2("Method \"".concat(key, "\" has type \"").concat(typeof methods[key], "\" in the component definition. ") +
+                      "Did you reference the function correctly?", vm);
+              }
+              if (props && hasOwn(props, key)) {
+                  warn$2("Method \"".concat(key, "\" has already been defined as a prop."), vm);
+              }
+              if (key in vm && isReserved(key)) {
+                  warn$2("Method \"".concat(key, "\" conflicts with an existing Vue instance method. ") +
+                      "Avoid defining component methods that start with _ or $.");
+              }
+          }
+          vm[key] = typeof methods[key] !== 'function' ? noop : bind$1(methods[key], vm);
+      }
+  }
+  function initWatch(vm, watch) {
+      for (var key in watch) {
+          var handler = watch[key];
+          if (isArray(handler)) {
+              for (var i = 0; i < handler.length; i++) {
+                  createWatcher(vm, key, handler[i]);
+              }
+          }
+          else {
+              createWatcher(vm, key, handler);
+          }
+      }
+  }
+  function createWatcher(vm, expOrFn, handler, options) {
+      if (isPlainObject(handler)) {
+          options = handler;
+          handler = handler.handler;
+      }
+      if (typeof handler === 'string') {
+          handler = vm[handler];
+      }
+      return vm.$watch(expOrFn, handler, options);
+  }
+  function stateMixin(Vue) {
+      // flow somehow has problems with directly declared definition object
+      // when using Object.defineProperty, so we have to procedurally build up
+      // the object here.
+      var dataDef = {};
+      dataDef.get = function () {
+          return this._data;
+      };
+      var propsDef = {};
+      propsDef.get = function () {
+          return this._props;
+      };
+      {
+          dataDef.set = function () {
+              warn$2('Avoid replacing instance root $data. ' +
+                  'Use nested data properties instead.', this);
+          };
+          propsDef.set = function () {
+              warn$2("$props is readonly.", this);
+          };
+      }
+      Object.defineProperty(Vue.prototype, '$data', dataDef);
+      Object.defineProperty(Vue.prototype, '$props', propsDef);
+      Vue.prototype.$set = set;
+      Vue.prototype.$delete = del;
+      Vue.prototype.$watch = function (expOrFn, cb, options) {
+          var vm = this;
+          if (isPlainObject(cb)) {
+              return createWatcher(vm, expOrFn, cb, options);
+          }
+          options = options || {};
+          options.user = true;
+          var watcher = new Watcher(vm, expOrFn, cb, options);
+          if (options.immediate) {
+              var info = "callback for immediate watcher \"".concat(watcher.expression, "\"");
+              pushTarget();
+              invokeWithErrorHandling(cb, vm, [watcher.value], vm, info);
+              popTarget();
+          }
+          return function unwatchFn() {
+              watcher.teardown();
+          };
+      };
+  }
+
+  function provide(key, value) {
+      if (!currentInstance) {
+          {
+              warn$2("provide() can only be used inside setup().");
+          }
+      }
+      else {
+          var provides = currentInstance._provided;
+          // by default an instance inherits its parent's provides object
+          // but when it needs to provide values of its own, it creates its
+          // own provides object using parent provides object as prototype.
+          // this way in `inject` we can simply look up injections from direct
+          // parent and let the prototype chain do the work.
+          var parentProvides = currentInstance.$parent && currentInstance.$parent._provided;
+          if (parentProvides === provides) {
+              provides = currentInstance._provided = Object.create(parentProvides);
+          }
+          // TS doesn't allow symbol as index type
+          provides[key] = value;
+      }
+  }
+  function inject(key, defaultValue, treatDefaultAsFactory) {
+      if (treatDefaultAsFactory === void 0) { treatDefaultAsFactory = false; }
+      // fallback to `currentRenderingInstance` so that this can be called in
+      // a functional component
+      var instance = currentInstance;
+      if (instance) {
+          // #2400
+          // to support `app.use` plugins,
+          // fallback to appContext's `provides` if the instance is at root
+          var provides = instance.$parent && instance.$parent._provided;
+          if (provides && key in provides) {
+              // TS doesn't allow symbol as index type
+              return provides[key];
+          }
+          else if (arguments.length > 1) {
+              return treatDefaultAsFactory && isFunction(defaultValue)
+                  ? defaultValue.call(instance)
+                  : defaultValue;
+          }
+          else {
+              warn$2("injection \"".concat(String(key), "\" not found."));
+          }
+      }
+      else {
+          warn$2("inject() can only be used inside setup() or functional components.");
+      }
+  }
+
+  function initProvide(vm) {
+      var provideOption = vm.$options.provide;
+      if (provideOption) {
+          var provided = isFunction(provideOption)
+              ? provideOption.call(vm)
+              : provideOption;
+          if (!isObject(provided)) {
+              return;
+          }
+          var keys = hasSymbol ? Reflect.ownKeys(provided) : Object.keys(provided);
+          setCurrentInstance(vm);
+          for (var i = 0; i < keys.length; i++) {
+              provide(keys[i], provided[keys[i]]);
+          }
+          setCurrentInstance();
+      }
+  }
+  function initInjections(vm) {
+      var result = resolveInject(vm.$options.inject, vm);
+      if (result) {
+          toggleObserving(false);
+          Object.keys(result).forEach(function (key) {
+              /* istanbul ignore else */
+              {
+                  defineReactive(vm, key, result[key], function () {
+                      warn$2("Avoid mutating an injected value directly since the changes will be " +
+                          "overwritten whenever the provided component re-renders. " +
+                          "injection being mutated: \"".concat(key, "\""), vm);
+                  });
+              }
+          });
+          toggleObserving(true);
+      }
+  }
+  function resolveInject(inject, vm) {
+      if (inject) {
+          // inject is :any because flow is not smart enough to figure out cached
+          var result = Object.create(null);
+          var keys = hasSymbol ? Reflect.ownKeys(inject) : Object.keys(inject);
+          for (var i = 0; i < keys.length; i++) {
+              var key = keys[i];
+              // #6574 in case the inject object is observed...
+              if (key === '__ob__')
+                  continue;
+              var provideKey = inject[key].from;
+              if (provideKey in vm._provided) {
+                  result[key] = vm._provided[provideKey];
+              }
+              else if ('default' in inject[key]) {
+                  var provideDefault = inject[key].default;
+                  result[key] = isFunction(provideDefault)
+                      ? provideDefault.call(vm)
+                      : provideDefault;
+              }
+              else {
+                  warn$2("Injection \"".concat(key, "\" not found"), vm);
+              }
+          }
+          return result;
+      }
+  }
+
+  var activeEffectScope;
+  var EffectScope = /** @class */ (function () {
+      function EffectScope(detached) {
+          if (detached === void 0) { detached = false; }
+          /**
+           * @internal
+           */
+          this.active = true;
+          /**
+           * @internal
+           */
+          this.effects = [];
+          /**
+           * @internal
+           */
+          this.cleanups = [];
+          if (!detached && activeEffectScope) {
+              this.parent = activeEffectScope;
+              this.index =
+                  (activeEffectScope.scopes || (activeEffectScope.scopes = [])).push(this) - 1;
+          }
+      }
+      EffectScope.prototype.run = function (fn) {
+          if (this.active) {
+              var currentEffectScope = activeEffectScope;
+              try {
+                  activeEffectScope = this;
+                  return fn();
+              }
+              finally {
+                  activeEffectScope = currentEffectScope;
+              }
+          }
+          else {
+              warn$2("cannot run an inactive effect scope.");
+          }
+      };
+      /**
+       * This should only be called on non-detached scopes
+       * @internal
+       */
+      EffectScope.prototype.on = function () {
+          activeEffectScope = this;
+      };
+      /**
+       * This should only be called on non-detached scopes
+       * @internal
+       */
+      EffectScope.prototype.off = function () {
+          activeEffectScope = this.parent;
+      };
+      EffectScope.prototype.stop = function (fromParent) {
+          if (this.active) {
+              var i = void 0, l = void 0;
+              for (i = 0, l = this.effects.length; i < l; i++) {
+                  this.effects[i].teardown();
+              }
+              for (i = 0, l = this.cleanups.length; i < l; i++) {
+                  this.cleanups[i]();
+              }
+              if (this.scopes) {
+                  for (i = 0, l = this.scopes.length; i < l; i++) {
+                      this.scopes[i].stop(true);
+                  }
+              }
+              // nested scope, dereference from parent to avoid memory leaks
+              if (this.parent && !fromParent) {
+                  // optimized O(1) removal
+                  var last = this.parent.scopes.pop();
+                  if (last && last !== this) {
+                      this.parent.scopes[this.index] = last;
+                      last.index = this.index;
+                  }
+              }
+              this.active = false;
+          }
+      };
+      return EffectScope;
+  }());
+  function effectScope(detached) {
+      return new EffectScope(detached);
+  }
+  /**
+   * @internal
+   */
+  function recordEffectScope(effect, scope) {
+      if (scope === void 0) { scope = activeEffectScope; }
+      if (scope && scope.active) {
+          scope.effects.push(effect);
+      }
+  }
+  function getCurrentScope() {
+      return activeEffectScope;
+  }
+  function onScopeDispose(fn) {
+      if (activeEffectScope) {
+          activeEffectScope.cleanups.push(fn);
+      }
+      else {
+          warn$2("onScopeDispose() is called when there is no active effect scope" +
+              " to be associated with.");
+      }
+  }
+
+  var uid$1 = 0;
+  function initMixin$1(Vue) {
+      Vue.prototype._init = function (options) {
+          var vm = this;
+          // a uid
+          vm._uid = uid$1++;
+          var startTag, endTag;
+          /* istanbul ignore if */
+          if (config.performance && mark) {
+              startTag = "vue-perf-start:".concat(vm._uid);
+              endTag = "vue-perf-end:".concat(vm._uid);
+              mark(startTag);
+          }
+          // a flag to mark this as a Vue instance without having to do instanceof
+          // check
+          vm._isVue = true;
+          // avoid instances from being observed
+          vm.__v_skip = true;
+          // effect scope
+          vm._scope = new EffectScope(true /* detached */);
+          // merge options
+          if (options && options._isComponent) {
+              // optimize internal component instantiation
+              // since dynamic options merging is pretty slow, and none of the
+              // internal component options needs special treatment.
+              initInternalComponent(vm, options);
+          }
+          else {
+              vm.$options = mergeOptions(resolveConstructorOptions(vm.constructor), options || {}, vm);
+          }
+          /* istanbul ignore else */
+          {
+              initProxy(vm);
+          }
+          // expose real self
+          vm._self = vm;
+          initLifecycle(vm);
+          initEvents(vm);
+          initRender(vm);
+          callHook$1(vm, 'beforeCreate');
+          initInjections(vm); // resolve injections before data/props
+          initState(vm);
+          initProvide(vm); // resolve provide after data/props
+          callHook$1(vm, 'created');
+          /* istanbul ignore if */
+          if (config.performance && mark) {
+              vm._name = formatComponentName(vm, false);
+              mark(endTag);
+              measure("vue ".concat(vm._name, " init"), startTag, endTag);
+          }
+          if (vm.$options.el) {
+              vm.$mount(vm.$options.el);
+          }
+      };
+  }
+  function initInternalComponent(vm, options) {
+      var opts = (vm.$options = Object.create(vm.constructor.options));
+      // doing this because it's faster than dynamic enumeration.
+      var parentVnode = options._parentVnode;
+      opts.parent = options.parent;
+      opts._parentVnode = parentVnode;
+      var vnodeComponentOptions = parentVnode.componentOptions;
+      opts.propsData = vnodeComponentOptions.propsData;
+      opts._parentListeners = vnodeComponentOptions.listeners;
+      opts._renderChildren = vnodeComponentOptions.children;
+      opts._componentTag = vnodeComponentOptions.tag;
+      if (options.render) {
+          opts.render = options.render;
+          opts.staticRenderFns = options.staticRenderFns;
+      }
+  }
+  function resolveConstructorOptions(Ctor) {
+      var options = Ctor.options;
+      if (Ctor.super) {
+          var superOptions = resolveConstructorOptions(Ctor.super);
+          var cachedSuperOptions = Ctor.superOptions;
+          if (superOptions !== cachedSuperOptions) {
+              // super option changed,
+              // need to resolve new options.
+              Ctor.superOptions = superOptions;
+              // check if there are any late-modified/attached options (#4976)
+              var modifiedOptions = resolveModifiedOptions(Ctor);
+              // update base extend options
+              if (modifiedOptions) {
+                  extend(Ctor.extendOptions, modifiedOptions);
+              }
+              options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);
+              if (options.name) {
+                  options.components[options.name] = Ctor;
+              }
+          }
+      }
+      return options;
+  }
+  function resolveModifiedOptions(Ctor) {
+      var modified;
+      var latest = Ctor.options;
+      var sealed = Ctor.sealedOptions;
+      for (var key in latest) {
+          if (latest[key] !== sealed[key]) {
+              if (!modified)
+                  modified = {};
+              modified[key] = latest[key];
+          }
+      }
+      return modified;
+  }
+
+  /**
+   * Runtime helper for resolving raw children VNodes into a slot object.
+   */
+  function resolveSlots(children, context) {
+      if (!children || !children.length) {
+          return {};
+      }
+      var slots = {};
+      for (var i = 0, l = children.length; i < l; i++) {
+          var child = children[i];
+          var data = child.data;
+          // remove slot attribute if the node is resolved as a Vue slot node
+          if (data && data.attrs && data.attrs.slot) {
+              delete data.attrs.slot;
+          }
+          // named slots should only be respected if the vnode was rendered in the
+          // same context.
+          if ((child.context === context || child.fnContext === context) &&
+              data &&
+              data.slot != null) {
+              var name_1 = data.slot;
+              var slot = slots[name_1] || (slots[name_1] = []);
+              if (child.tag === 'template') {
+                  slot.push.apply(slot, child.children || []);
+              }
+              else {
+                  slot.push(child);
+              }
+          }
+          else {
+              (slots.default || (slots.default = [])).push(child);
+          }
+      }
+      // ignore slots that contains only whitespace
+      for (var name_2 in slots) {
+          if (slots[name_2].every(isWhitespace)) {
+              delete slots[name_2];
+          }
+      }
+      return slots;
+  }
+  function isWhitespace(node) {
+      return (node.isComment && !node.asyncFactory) || node.text === ' ';
+  }
+
+  function isAsyncPlaceholder(node) {
+      // @ts-expect-error not really boolean type
+      return node.isComment && node.asyncFactory;
+  }
+
+  function normalizeScopedSlots(ownerVm, scopedSlots, normalSlots, prevScopedSlots) {
+      var res;
+      var hasNormalSlots = Object.keys(normalSlots).length > 0;
+      var isStable = scopedSlots ? !!scopedSlots.$stable : !hasNormalSlots;
+      var key = scopedSlots && scopedSlots.$key;
+      if (!scopedSlots) {
+          res = {};
+      }
+      else if (scopedSlots._normalized) {
+          // fast path 1: child component re-render only, parent did not change
+          return scopedSlots._normalized;
+      }
+      else if (isStable &&
+          prevScopedSlots &&
+          prevScopedSlots !== emptyObject &&
+          key === prevScopedSlots.$key &&
+          !hasNormalSlots &&
+          !prevScopedSlots.$hasNormal) {
+          // fast path 2: stable scoped slots w/ no normal slots to proxy,
+          // only need to normalize once
+          return prevScopedSlots;
+      }
+      else {
+          res = {};
+          for (var key_1 in scopedSlots) {
+              if (scopedSlots[key_1] && key_1[0] !== '$') {
+                  res[key_1] = normalizeScopedSlot(ownerVm, normalSlots, key_1, scopedSlots[key_1]);
+              }
+          }
+      }
+      // expose normal slots on scopedSlots
+      for (var key_2 in normalSlots) {
+          if (!(key_2 in res)) {
+              res[key_2] = proxyNormalSlot(normalSlots, key_2);
+          }
+      }
+      // avoriaz seems to mock a non-extensible $scopedSlots object
+      // and when that is passed down this would cause an error
+      if (scopedSlots && Object.isExtensible(scopedSlots)) {
+          scopedSlots._normalized = res;
+      }
+      def(res, '$stable', isStable);
+      def(res, '$key', key);
+      def(res, '$hasNormal', hasNormalSlots);
+      return res;
+  }
+  function normalizeScopedSlot(vm, normalSlots, key, fn) {
+      var normalized = function () {
+          var cur = currentInstance;
+          setCurrentInstance(vm);
+          var res = arguments.length ? fn.apply(null, arguments) : fn({});
+          res =
+              res && typeof res === 'object' && !isArray(res)
+                  ? [res] // single vnode
+                  : normalizeChildren(res);
+          var vnode = res && res[0];
+          setCurrentInstance(cur);
+          return res &&
+              (!vnode ||
+                  (res.length === 1 && vnode.isComment && !isAsyncPlaceholder(vnode))) // #9658, #10391
+              ? undefined
+              : res;
+      };
+      // this is a slot using the new v-slot syntax without scope. although it is
+      // compiled as a scoped slot, render fn users would expect it to be present
+      // on this.$slots because the usage is semantically a normal slot.
+      if (fn.proxy) {
+          Object.defineProperty(normalSlots, key, {
+              get: normalized,
+              enumerable: true,
+              configurable: true
+          });
+      }
+      return normalized;
+  }
+  function proxyNormalSlot(slots, key) {
+      return function () { return slots[key]; };
+  }
+
+  /**
+   * Runtime helper for rendering v-for lists.
+   */
+  function renderList(val, render) {
+      var ret = null, i, l, keys, key;
+      if (isArray(val) || typeof val === 'string') {
+          ret = new Array(val.length);
+          for (i = 0, l = val.length; i < l; i++) {
+              ret[i] = render(val[i], i);
+          }
+      }
+      else if (typeof val === 'number') {
+          ret = new Array(val);
+          for (i = 0; i < val; i++) {
+              ret[i] = render(i + 1, i);
+          }
+      }
+      else if (isObject(val)) {
+          if (hasSymbol && val[Symbol.iterator]) {
+              ret = [];
+              var iterator = val[Symbol.iterator]();
+              var result = iterator.next();
+              while (!result.done) {
+                  ret.push(render(result.value, ret.length));
+                  result = iterator.next();
+              }
+          }
+          else {
+              keys = Object.keys(val);
+              ret = new Array(keys.length);
+              for (i = 0, l = keys.length; i < l; i++) {
+                  key = keys[i];
+                  ret[i] = render(val[key], key, i);
+              }
+          }
+      }
+      if (!isDef(ret)) {
+          ret = [];
+      }
+      ret._isVList = true;
+      return ret;
+  }
+
+  /**
+   * Runtime helper for rendering <slot>
+   */
+  function renderSlot(name, fallbackRender, props, bindObject) {
+      var scopedSlotFn = this.$scopedSlots[name];
+      var nodes;
+      if (scopedSlotFn) {
+          // scoped slot
+          props = props || {};
+          if (bindObject) {
+              if (!isObject(bindObject)) {
+                  warn$2('slot v-bind without argument expects an Object', this);
+              }
+              props = extend(extend({}, bindObject), props);
+          }
+          nodes =
+              scopedSlotFn(props) ||
+                  (isFunction(fallbackRender) ? fallbackRender() : fallbackRender);
+      }
+      else {
+          nodes =
+              this.$slots[name] ||
+                  (isFunction(fallbackRender) ? fallbackRender() : fallbackRender);
+      }
+      var target = props && props.slot;
+      if (target) {
+          return this.$createElement('template', { slot: target }, nodes);
+      }
+      else {
+          return nodes;
+      }
+  }
+
+  /**
+   * Runtime helper for resolving filters
+   */
+  function resolveFilter(id) {
+      return resolveAsset(this.$options, 'filters', id, true) || identity;
+  }
+
+  function isKeyNotMatch(expect, actual) {
+      if (isArray(expect)) {
+          return expect.indexOf(actual) === -1;
+      }
+      else {
+          return expect !== actual;
+      }
+  }
+  /**
+   * Runtime helper for checking keyCodes from config.
+   * exposed as Vue.prototype._k
+   * passing in eventKeyName as last argument separately for backwards compat
+   */
+  function checkKeyCodes(eventKeyCode, key, builtInKeyCode, eventKeyName, builtInKeyName) {
+      var mappedKeyCode = config.keyCodes[key] || builtInKeyCode;
+      if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {
+          return isKeyNotMatch(builtInKeyName, eventKeyName);
+      }
+      else if (mappedKeyCode) {
+          return isKeyNotMatch(mappedKeyCode, eventKeyCode);
+      }
+      else if (eventKeyName) {
+          return hyphenate(eventKeyName) !== key;
+      }
+      return eventKeyCode === undefined;
+  }
+
+  /**
+   * Runtime helper for merging v-bind="object" into a VNode's data.
+   */
+  function bindObjectProps(data, tag, value, asProp, isSync) {
+      if (value) {
+          if (!isObject(value)) {
+              warn$2('v-bind without argument expects an Object or Array value', this);
+          }
+          else {
+              if (isArray(value)) {
+                  value = toObject(value);
+              }
+              var hash = void 0;
+              var _loop_1 = function (key) {
+                  if (key === 'class' || key === 'style' || isReservedAttribute(key)) {
+                      hash = data;
+                  }
+                  else {
+                      var type = data.attrs && data.attrs.type;
+                      hash =
+                          asProp || config.mustUseProp(tag, type, key)
+                              ? data.domProps || (data.domProps = {})
+                              : data.attrs || (data.attrs = {});
+                  }
+                  var camelizedKey = camelize(key);
+                  var hyphenatedKey = hyphenate(key);
+                  if (!(camelizedKey in hash) && !(hyphenatedKey in hash)) {
+                      hash[key] = value[key];
+                      if (isSync) {
+                          var on = data.on || (data.on = {});
+                          on["update:".concat(key)] = function ($event) {
+                              value[key] = $event;
+                          };
+                      }
+                  }
+              };
+              for (var key in value) {
+                  _loop_1(key);
+              }
+          }
+      }
+      return data;
+  }
+
+  /**
+   * Runtime helper for rendering static trees.
+   */
+  function renderStatic(index, isInFor) {
+      var cached = this._staticTrees || (this._staticTrees = []);
+      var tree = cached[index];
+      // if has already-rendered static tree and not inside v-for,
+      // we can reuse the same tree.
+      if (tree && !isInFor) {
+          return tree;
+      }
+      // otherwise, render a fresh tree.
+      tree = cached[index] = this.$options.staticRenderFns[index].call(this._renderProxy, null, this // for render fns generated for functional component templates
+      );
+      markStatic$1(tree, "__static__".concat(index), false);
+      return tree;
+  }
+  /**
+   * Runtime helper for v-once.
+   * Effectively it means marking the node as static with a unique key.
+   */
+  function markOnce(tree, index, key) {
+      markStatic$1(tree, "__once__".concat(index).concat(key ? "_".concat(key) : ""), true);
+      return tree;
+  }
+  function markStatic$1(tree, key, isOnce) {
+      if (isArray(tree)) {
+          for (var i = 0; i < tree.length; i++) {
+              if (tree[i] && typeof tree[i] !== 'string') {
+                  markStaticNode(tree[i], "".concat(key, "_").concat(i), isOnce);
+              }
+          }
+      }
+      else {
+          markStaticNode(tree, key, isOnce);
+      }
+  }
+  function markStaticNode(node, key, isOnce) {
+      node.isStatic = true;
+      node.key = key;
+      node.isOnce = isOnce;
+  }
+
+  function bindObjectListeners(data, value) {
+      if (value) {
+          if (!isPlainObject(value)) {
+              warn$2('v-on without argument expects an Object value', this);
+          }
+          else {
+              var on = (data.on = data.on ? extend({}, data.on) : {});
+              for (var key in value) {
+                  var existing = on[key];
+                  var ours = value[key];
+                  on[key] = existing ? [].concat(existing, ours) : ours;
+              }
+          }
+      }
+      return data;
+  }
+
+  function resolveScopedSlots(fns, res, 
+  // the following are added in 2.6
+  hasDynamicKeys, contentHashKey) {
+      res = res || { $stable: !hasDynamicKeys };
+      for (var i = 0; i < fns.length; i++) {
+          var slot = fns[i];
+          if (isArray(slot)) {
+              resolveScopedSlots(slot, res, hasDynamicKeys);
+          }
+          else if (slot) {
+              // marker for reverse proxying v-slot without scope on this.$slots
+              // @ts-expect-error
+              if (slot.proxy) {
+                  // @ts-expect-error
+                  slot.fn.proxy = true;
+              }
+              res[slot.key] = slot.fn;
+          }
+      }
+      if (contentHashKey) {
+          res.$key = contentHashKey;
+      }
+      return res;
+  }
+
+  // helper to process dynamic keys for dynamic arguments in v-bind and v-on.
+  function bindDynamicKeys(baseObj, values) {
+      for (var i = 0; i < values.length; i += 2) {
+          var key = values[i];
+          if (typeof key === 'string' && key) {
+              baseObj[values[i]] = values[i + 1];
+          }
+          else if (key !== '' && key !== null) {
+              // null is a special value for explicitly removing a binding
+              warn$2("Invalid value for dynamic directive argument (expected string or null): ".concat(key), this);
+          }
+      }
+      return baseObj;
+  }
+  // helper to dynamically append modifier runtime markers to event names.
+  // ensure only append when value is already string, otherwise it will be cast
+  // to string and cause the type check to miss.
+  function prependModifier(value, symbol) {
+      return typeof value === 'string' ? symbol + value : value;
+  }
+
+  function installRenderHelpers(target) {
+      target._o = markOnce;
+      target._n = toNumber;
+      target._s = toString;
+      target._l = renderList;
+      target._t = renderSlot;
+      target._q = looseEqual;
+      target._i = looseIndexOf;
+      target._m = renderStatic;
+      target._f = resolveFilter;
+      target._k = checkKeyCodes;
+      target._b = bindObjectProps;
+      target._v = createTextVNode;
+      target._e = createEmptyVNode;
+      target._u = resolveScopedSlots;
+      target._g = bindObjectListeners;
+      target._d = bindDynamicKeys;
+      target._p = prependModifier;
+  }
+
+  function FunctionalRenderContext(data, props, children, parent, Ctor) {
+      var _this = this;
+      var options = Ctor.options;
+      // ensure the createElement function in functional components
+      // gets a unique context - this is necessary for correct named slot check
+      var contextVm;
+      if (hasOwn(parent, '_uid')) {
+          contextVm = Object.create(parent);
+          contextVm._original = parent;
+      }
+      else {
+          // the context vm passed in is a functional context as well.
+          // in this case we want to make sure we are able to get a hold to the
+          // real context instance.
+          contextVm = parent;
+          // @ts-ignore
+          parent = parent._original;
+      }
+      var isCompiled = isTrue(options._compiled);
+      var needNormalization = !isCompiled;
+      this.data = data;
+      this.props = props;
+      this.children = children;
+      this.parent = parent;
+      this.listeners = data.on || emptyObject;
+      this.injections = resolveInject(options.inject, parent);
+      this.slots = function () {
+          if (!_this.$slots) {
+              normalizeScopedSlots(parent, data.scopedSlots, (_this.$slots = resolveSlots(children, parent)));
+          }
+          return _this.$slots;
+      };
+      Object.defineProperty(this, 'scopedSlots', {
+          enumerable: true,
+          get: function () {
+              return normalizeScopedSlots(parent, data.scopedSlots, this.slots());
+          }
+      });
+      // support for compiled functional template
+      if (isCompiled) {
+          // exposing $options for renderStatic()
+          this.$options = options;
+          // pre-resolve slots for renderSlot()
+          this.$slots = this.slots();
+          this.$scopedSlots = normalizeScopedSlots(parent, data.scopedSlots, this.$slots);
+      }
+      if (options._scopeId) {
+          this._c = function (a, b, c, d) {
+              var vnode = createElement$1(contextVm, a, b, c, d, needNormalization);
+              if (vnode && !isArray(vnode)) {
+                  vnode.fnScopeId = options._scopeId;
+                  vnode.fnContext = parent;
+              }
+              return vnode;
+          };
+      }
+      else {
+          this._c = function (a, b, c, d) {
+              return createElement$1(contextVm, a, b, c, d, needNormalization);
+          };
+      }
+  }
+  installRenderHelpers(FunctionalRenderContext.prototype);
+  function createFunctionalComponent(Ctor, propsData, data, contextVm, children) {
+      var options = Ctor.options;
+      var props = {};
+      var propOptions = options.props;
+      if (isDef(propOptions)) {
+          for (var key in propOptions) {
+              props[key] = validateProp(key, propOptions, propsData || emptyObject);
+          }
+      }
+      else {
+          if (isDef(data.attrs))
+              mergeProps(props, data.attrs);
+          if (isDef(data.props))
+              mergeProps(props, data.props);
+      }
+      var renderContext = new FunctionalRenderContext(data, props, children, contextVm, Ctor);
+      var vnode = options.render.call(null, renderContext._c, renderContext);
+      if (vnode instanceof VNode) {
+          return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options, renderContext);
+      }
+      else if (isArray(vnode)) {
+          var vnodes = normalizeChildren(vnode) || [];
+          var res = new Array(vnodes.length);
+          for (var i = 0; i < vnodes.length; i++) {
+              res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options, renderContext);
+          }
+          return res;
+      }
+  }
+  function cloneAndMarkFunctionalResult(vnode, data, contextVm, options, renderContext) {
+      // #7817 clone node before setting fnContext, otherwise if the node is reused
+      // (e.g. it was from a cached normal slot) the fnContext causes named slots
+      // that should not be matched to match.
+      var clone = cloneVNode(vnode);
+      clone.fnContext = contextVm;
+      clone.fnOptions = options;
+      {
+          (clone.devtoolsMeta = clone.devtoolsMeta || {}).renderContext =
+              renderContext;
+      }
+      if (data.slot) {
+          (clone.data || (clone.data = {})).slot = data.slot;
+      }
+      return clone;
+  }
+  function mergeProps(to, from) {
+      for (var key in from) {
+          to[camelize(key)] = from[key];
+      }
+  }
+
+  // inline hooks to be invoked on component VNodes during patch
+  var componentVNodeHooks = {
+      init: function (vnode, hydrating) {
+          if (vnode.componentInstance &&
+              !vnode.componentInstance._isDestroyed &&
+              vnode.data.keepAlive) {
+              // kept-alive components, treat as a patch
+              var mountedNode = vnode; // work around flow
+              componentVNodeHooks.prepatch(mountedNode, mountedNode);
+          }
+          else {
+              var child = (vnode.componentInstance = createComponentInstanceForVnode(vnode, activeInstance));
+              child.$mount(hydrating ? vnode.elm : undefined, hydrating);
+          }
+      },
+      prepatch: function (oldVnode, vnode) {
+          var options = vnode.componentOptions;
+          var child = (vnode.componentInstance = oldVnode.componentInstance);
+          updateChildComponent(child, options.propsData, // updated props
+          options.listeners, // updated listeners
+          vnode, // new parent vnode
+          options.children // new children
+          );
+      },
+      insert: function (vnode) {
+          var context = vnode.context, componentInstance = vnode.componentInstance;
+          if (!componentInstance._isMounted) {
+              componentInstance._isMounted = true;
+              callHook$1(componentInstance, 'mounted');
+          }
+          if (vnode.data.keepAlive) {
+              if (context._isMounted) {
+                  // vue-router#1212
+                  // During updates, a kept-alive component's child components may
+                  // change, so directly walking the tree here may call activated hooks
+                  // on incorrect children. Instead we push them into a queue which will
+                  // be processed after the whole patch process ended.
+                  queueActivatedComponent(componentInstance);
+              }
+              else {
+                  activateChildComponent(componentInstance, true /* direct */);
+              }
+          }
+      },
+      destroy: function (vnode) {
+          var componentInstance = vnode.componentInstance;
+          if (!componentInstance._isDestroyed) {
+              if (!vnode.data.keepAlive) {
+                  componentInstance.$destroy();
+              }
+              else {
+                  deactivateChildComponent(componentInstance, true /* direct */);
+              }
+          }
+      }
+  };
+  var hooksToMerge = Object.keys(componentVNodeHooks);
+  function createComponent(Ctor, data, context, children, tag) {
+      if (isUndef(Ctor)) {
+          return;
+      }
+      var baseCtor = context.$options._base;
+      // plain options object: turn it into a constructor
+      if (isObject(Ctor)) {
+          Ctor = baseCtor.extend(Ctor);
+      }
+      // if at this stage it's not a constructor or an async component factory,
+      // reject.
+      if (typeof Ctor !== 'function') {
+          {
+              warn$2("Invalid Component definition: ".concat(String(Ctor)), context);
+          }
+          return;
+      }
+      // async component
+      var asyncFactory;
+      // @ts-expect-error
+      if (isUndef(Ctor.cid)) {
+          asyncFactory = Ctor;
+          Ctor = resolveAsyncComponent(asyncFactory, baseCtor);
+          if (Ctor === undefined) {
+              // return a placeholder node for async component, which is rendered
+              // as a comment node but preserves all the raw information for the node.
+              // the information will be used for async server-rendering and hydration.
+              return createAsyncPlaceholder(asyncFactory, data, context, children, tag);
+          }
+      }
+      data = data || {};
+      // resolve constructor options in case global mixins are applied after
+      // component constructor creation
+      resolveConstructorOptions(Ctor);
+      // transform component v-model data into props & events
+      if (isDef(data.model)) {
+          // @ts-expect-error
+          transformModel(Ctor.options, data);
+      }
+      // extract props
+      // @ts-expect-error
+      var propsData = extractPropsFromVNodeData(data, Ctor, tag);
+      // functional component
+      // @ts-expect-error
+      if (isTrue(Ctor.options.functional)) {
+          return createFunctionalComponent(Ctor, propsData, data, context, children);
+      }
+      // extract listeners, since these needs to be treated as
+      // child component listeners instead of DOM listeners
+      var listeners = data.on;
+      // replace with listeners with .native modifier
+      // so it gets processed during parent component patch.
+      data.on = data.nativeOn;
+      // @ts-expect-error
+      if (isTrue(Ctor.options.abstract)) {
+          // abstract components do not keep anything
+          // other than props & listeners & slot
+          // work around flow
+          var slot = data.slot;
+          data = {};
+          if (slot) {
+              data.slot = slot;
+          }
+      }
+      // install component management hooks onto the placeholder node
+      installComponentHooks(data);
+      // return a placeholder vnode
+      // @ts-expect-error
+      var name = Ctor.options.name || tag;
+      var vnode = new VNode(
+      // @ts-expect-error
+      "vue-component-".concat(Ctor.cid).concat(name ? "-".concat(name) : ''), data, undefined, undefined, undefined, context, 
+      // @ts-expect-error
+      { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children }, asyncFactory);
+      return vnode;
+  }
+  function createComponentInstanceForVnode(
+  // we know it's MountedComponentVNode but flow doesn't
+  vnode, 
+  // activeInstance in lifecycle state
+  parent) {
+      var options = {
+          _isComponent: true,
+          _parentVnode: vnode,
+          parent: parent
+      };
+      // check inline-template render functions
+      var inlineTemplate = vnode.data.inlineTemplate;
+      if (isDef(inlineTemplate)) {
+          options.render = inlineTemplate.render;
+          options.staticRenderFns = inlineTemplate.staticRenderFns;
+      }
+      return new vnode.componentOptions.Ctor(options);
+  }
+  function installComponentHooks(data) {
+      var hooks = data.hook || (data.hook = {});
+      for (var i = 0; i < hooksToMerge.length; i++) {
+          var key = hooksToMerge[i];
+          var existing = hooks[key];
+          var toMerge = componentVNodeHooks[key];
+          // @ts-expect-error
+          if (existing !== toMerge && !(existing && existing._merged)) {
+              hooks[key] = existing ? mergeHook(toMerge, existing) : toMerge;
+          }
+      }
+  }
+  function mergeHook(f1, f2) {
+      var merged = function (a, b) {
+          // flow complains about extra args which is why we use any
+          f1(a, b);
+          f2(a, b);
+      };
+      merged._merged = true;
+      return merged;
+  }
+  // transform component v-model info (value and callback) into
+  // prop and event handler respectively.
+  function transformModel(options, data) {
+      var prop = (options.model && options.model.prop) || 'value';
+      var event = (options.model && options.model.event) || 'input';
+      (data.attrs || (data.attrs = {}))[prop] = data.model.value;
+      var on = data.on || (data.on = {});
+      var existing = on[event];
+      var callback = data.model.callback;
+      if (isDef(existing)) {
+          if (isArray(existing)
+              ? existing.indexOf(callback) === -1
+              : existing !== callback) {
+              on[event] = [callback].concat(existing);
+          }
+      }
+      else {
+          on[event] = callback;
+      }
+  }
+
+  var SIMPLE_NORMALIZE = 1;
+  var ALWAYS_NORMALIZE = 2;
+  // wrapper function for providing a more flexible interface
+  // without getting yelled at by flow
+  function createElement$1(context, tag, data, children, normalizationType, alwaysNormalize) {
+      if (isArray(data) || isPrimitive(data)) {
+          normalizationType = children;
+          children = data;
+          data = undefined;
+      }
+      if (isTrue(alwaysNormalize)) {
+          normalizationType = ALWAYS_NORMALIZE;
+      }
+      return _createElement(context, tag, data, children, normalizationType);
+  }
+  function _createElement(context, tag, data, children, normalizationType) {
+      if (isDef(data) && isDef(data.__ob__)) {
+          warn$2("Avoid using observed data object as vnode data: ".concat(JSON.stringify(data), "\n") + 'Always create fresh vnode data objects in each render!', context);
+          return createEmptyVNode();
+      }
+      // object syntax in v-bind
+      if (isDef(data) && isDef(data.is)) {
+          tag = data.is;
+      }
+      if (!tag) {
+          // in case of component :is set to falsy value
+          return createEmptyVNode();
+      }
+      // warn against non-primitive key
+      if (isDef(data) && isDef(data.key) && !isPrimitive(data.key)) {
+          warn$2('Avoid using non-primitive value as key, ' +
+              'use string/number value instead.', context);
+      }
+      // support single function children as default scoped slot
+      if (isArray(children) && isFunction(children[0])) {
+          data = data || {};
+          data.scopedSlots = { default: children[0] };
+          children.length = 0;
+      }
+      if (normalizationType === ALWAYS_NORMALIZE) {
+          children = normalizeChildren(children);
+      }
+      else if (normalizationType === SIMPLE_NORMALIZE) {
+          children = simpleNormalizeChildren(children);
+      }
+      var vnode, ns;
+      if (typeof tag === 'string') {
+          var Ctor = void 0;
+          ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag);
+          if (config.isReservedTag(tag)) {
+              // platform built-in elements
+              if (isDef(data) &&
+                  isDef(data.nativeOn) &&
+                  data.tag !== 'component') {
+                  warn$2("The .native modifier for v-on is only valid on components but it was used on <".concat(tag, ">."), context);
+              }
+              vnode = new VNode(config.parsePlatformTagName(tag), data, children, undefined, undefined, context);
+          }
+          else if ((!data || !data.pre) &&
+              isDef((Ctor = resolveAsset(context.$options, 'components', tag)))) {
+              // component
+              vnode = createComponent(Ctor, data, context, children, tag);
+          }
+          else {
+              // unknown or unlisted namespaced elements
+              // check at runtime because it may get assigned a namespace when its
+              // parent normalizes children
+              vnode = new VNode(tag, data, children, undefined, undefined, context);
+          }
+      }
+      else {
+          // direct component options / constructor
+          vnode = createComponent(tag, data, context, children);
+      }
+      if (isArray(vnode)) {
+          return vnode;
+      }
+      else if (isDef(vnode)) {
+          if (isDef(ns))
+              applyNS(vnode, ns);
+          if (isDef(data))
+              registerDeepBindings(data);
+          return vnode;
+      }
+      else {
+          return createEmptyVNode();
+      }
+  }
+  function applyNS(vnode, ns, force) {
+      vnode.ns = ns;
+      if (vnode.tag === 'foreignObject') {
+          // use default namespace inside foreignObject
+          ns = undefined;
+          force = true;
+      }
+      if (isDef(vnode.children)) {
+          for (var i = 0, l = vnode.children.length; i < l; i++) {
+              var child = vnode.children[i];
+              if (isDef(child.tag) &&
+                  (isUndef(child.ns) || (isTrue(force) && child.tag !== 'svg'))) {
+                  applyNS(child, ns, force);
+              }
+          }
+      }
+  }
+  // ref #5318
+  // necessary to ensure parent re-render when deep bindings like :style and
+  // :class are used on slot nodes
+  function registerDeepBindings(data) {
+      if (isObject(data.style)) {
+          traverse(data.style);
+      }
+      if (isObject(data.class)) {
+          traverse(data.class);
+      }
+  }
+
+  function initRender(vm) {
+      vm._vnode = null; // the root of the child tree
+      vm._staticTrees = null; // v-once cached trees
+      var options = vm.$options;
+      var parentVnode = (vm.$vnode = options._parentVnode); // the placeholder node in parent tree
+      var renderContext = parentVnode && parentVnode.context;
+      vm.$slots = resolveSlots(options._renderChildren, renderContext);
+      vm.$scopedSlots = emptyObject;
+      // bind the createElement fn to this instance
+      // so that we get proper render context inside it.
+      // args order: tag, data, children, normalizationType, alwaysNormalize
+      // internal version is used by render functions compiled from templates
+      // @ts-expect-error
+      vm._c = function (a, b, c, d) { return createElement$1(vm, a, b, c, d, false); };
+      // normalization is always applied for the public version, used in
+      // user-written render functions.
+      // @ts-expect-error
+      vm.$createElement = function (a, b, c, d) { return createElement$1(vm, a, b, c, d, true); };
+      // $attrs & $listeners are exposed for easier HOC creation.
+      // they need to be reactive so that HOCs using them are always updated
+      var parentData = parentVnode && parentVnode.data;
+      /* istanbul ignore else */
+      {
+          defineReactive(vm, '$attrs', (parentData && parentData.attrs) || emptyObject, function () {
+              !isUpdatingChildComponent && warn$2("$attrs is readonly.", vm);
+          }, true);
+          defineReactive(vm, '$listeners', options._parentListeners || emptyObject, function () {
+              !isUpdatingChildComponent && warn$2("$listeners is readonly.", vm);
+          }, true);
+      }
+  }
+  var currentRenderingInstance = null;
+  function renderMixin(Vue) {
+      // install runtime convenience helpers
+      installRenderHelpers(Vue.prototype);
+      Vue.prototype.$nextTick = function (fn) {
+          return nextTick(fn, this);
+      };
+      Vue.prototype._render = function () {
+          var vm = this;
+          var _a = vm.$options, render = _a.render, _parentVnode = _a._parentVnode;
+          if (_parentVnode) {
+              vm.$scopedSlots = normalizeScopedSlots(vm.$parent, _parentVnode.data.scopedSlots, vm.$slots, vm.$scopedSlots);
+              if (vm._slotsProxy) {
+                  syncSetupSlots(vm._slotsProxy, vm.$scopedSlots);
+              }
+          }
+          // set parent vnode. this allows render functions to have access
+          // to the data on the placeholder node.
+          vm.$vnode = _parentVnode;
+          // render self
+          var vnode;
+          try {
+              // There's no need to maintain a stack because all render fns are called
+              // separately from one another. Nested component's render fns are called
+              // when parent component is patched.
+              setCurrentInstance(vm);
+              currentRenderingInstance = vm;
+              vnode = render.call(vm._renderProxy, vm.$createElement);
+          }
+          catch (e) {
+              handleError(e, vm, "render");
+              // return error render result,
+              // or previous vnode to prevent render error causing blank component
+              /* istanbul ignore else */
+              if (vm.$options.renderError) {
+                  try {
+                      vnode = vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e);
+                  }
+                  catch (e) {
+                      handleError(e, vm, "renderError");
+                      vnode = vm._vnode;
+                  }
+              }
+              else {
+                  vnode = vm._vnode;
+              }
+          }
+          finally {
+              currentRenderingInstance = null;
+              setCurrentInstance();
+          }
+          // if the returned array contains only a single node, allow it
+          if (isArray(vnode) && vnode.length === 1) {
+              vnode = vnode[0];
+          }
+          // return empty vnode in case the render function errored out
+          if (!(vnode instanceof VNode)) {
+              if (isArray(vnode)) {
+                  warn$2('Multiple root nodes returned from render function. Render function ' +
+                      'should return a single root node.', vm);
+              }
+              vnode = createEmptyVNode();
+          }
+          // set parent
+          vnode.parent = _parentVnode;
+          return vnode;
+      };
+  }
+
+  function ensureCtor(comp, base) {
+      if (comp.__esModule || (hasSymbol && comp[Symbol.toStringTag] === 'Module')) {
+          comp = comp.default;
+      }
+      return isObject(comp) ? base.extend(comp) : comp;
+  }
+  function createAsyncPlaceholder(factory, data, context, children, tag) {
+      var node = createEmptyVNode();
+      node.asyncFactory = factory;
+      node.asyncMeta = { data: data, context: context, children: children, tag: tag };
+      return node;
+  }
+  function resolveAsyncComponent(factory, baseCtor) {
+      if (isTrue(factory.error) && isDef(factory.errorComp)) {
+          return factory.errorComp;
+      }
+      if (isDef(factory.resolved)) {
+          return factory.resolved;
+      }
+      var owner = currentRenderingInstance;
+      if (owner && isDef(factory.owners) && factory.owners.indexOf(owner) === -1) {
+          // already pending
+          factory.owners.push(owner);
+      }
+      if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
+          return factory.loadingComp;
+      }
+      if (owner && !isDef(factory.owners)) {
+          var owners_1 = (factory.owners = [owner]);
+          var sync_1 = true;
+          var timerLoading_1 = null;
+          var timerTimeout_1 = null;
+          owner.$on('hook:destroyed', function () { return remove$2(owners_1, owner); });
+          var forceRender_1 = function (renderCompleted) {
+              for (var i = 0, l = owners_1.length; i < l; i++) {
+                  owners_1[i].$forceUpdate();
+              }
+              if (renderCompleted) {
+                  owners_1.length = 0;
+                  if (timerLoading_1 !== null) {
+                      clearTimeout(timerLoading_1);
+                      timerLoading_1 = null;
+                  }
+                  if (timerTimeout_1 !== null) {
+                      clearTimeout(timerTimeout_1);
+                      timerTimeout_1 = null;
+                  }
+              }
+          };
+          var resolve = once(function (res) {
+              // cache resolved
+              factory.resolved = ensureCtor(res, baseCtor);
+              // invoke callbacks only if this is not a synchronous resolve
+              // (async resolves are shimmed as synchronous during SSR)
+              if (!sync_1) {
+                  forceRender_1(true);
+              }
+              else {
+                  owners_1.length = 0;
+              }
+          });
+          var reject_1 = once(function (reason) {
+              warn$2("Failed to resolve async component: ".concat(String(factory)) +
+                      (reason ? "\nReason: ".concat(reason) : ''));
+              if (isDef(factory.errorComp)) {
+                  factory.error = true;
+                  forceRender_1(true);
+              }
+          });
+          var res_1 = factory(resolve, reject_1);
+          if (isObject(res_1)) {
+              if (isPromise(res_1)) {
+                  // () => Promise
+                  if (isUndef(factory.resolved)) {
+                      res_1.then(resolve, reject_1);
+                  }
+              }
+              else if (isPromise(res_1.component)) {
+                  res_1.component.then(resolve, reject_1);
+                  if (isDef(res_1.error)) {
+                      factory.errorComp = ensureCtor(res_1.error, baseCtor);
+                  }
+                  if (isDef(res_1.loading)) {
+                      factory.loadingComp = ensureCtor(res_1.loading, baseCtor);
+                      if (res_1.delay === 0) {
+                          factory.loading = true;
+                      }
+                      else {
+                          // @ts-expect-error NodeJS timeout type
+                          timerLoading_1 = setTimeout(function () {
+                              timerLoading_1 = null;
+                              if (isUndef(factory.resolved) && isUndef(factory.error)) {
+                                  factory.loading = true;
+                                  forceRender_1(false);
+                              }
+                          }, res_1.delay || 200);
+                      }
+                  }
+                  if (isDef(res_1.timeout)) {
+                      // @ts-expect-error NodeJS timeout type
+                      timerTimeout_1 = setTimeout(function () {
+                          timerTimeout_1 = null;
+                          if (isUndef(factory.resolved)) {
+                              reject_1("timeout (".concat(res_1.timeout, "ms)") );
+                          }
+                      }, res_1.timeout);
+                  }
+              }
+          }
+          sync_1 = false;
+          // return in case resolved synchronously
+          return factory.loading ? factory.loadingComp : factory.resolved;
+      }
+  }
+
+  function getFirstComponentChild(children) {
+      if (isArray(children)) {
+          for (var i = 0; i < children.length; i++) {
+              var c = children[i];
+              if (isDef(c) && (isDef(c.componentOptions) || isAsyncPlaceholder(c))) {
+                  return c;
+              }
+          }
+      }
+  }
+
+  function initEvents(vm) {
+      vm._events = Object.create(null);
+      vm._hasHookEvent = false;
+      // init parent attached events
+      var listeners = vm.$options._parentListeners;
+      if (listeners) {
+          updateComponentListeners(vm, listeners);
+      }
+  }
+  var target$1;
+  function add$1(event, fn) {
+      target$1.$on(event, fn);
+  }
+  function remove$1(event, fn) {
+      target$1.$off(event, fn);
+  }
+  function createOnceHandler$1(event, fn) {
+      var _target = target$1;
+      return function onceHandler() {
+          var res = fn.apply(null, arguments);
+          if (res !== null) {
+              _target.$off(event, onceHandler);
+          }
+      };
+  }
+  function updateComponentListeners(vm, listeners, oldListeners) {
+      target$1 = vm;
+      updateListeners(listeners, oldListeners || {}, add$1, remove$1, createOnceHandler$1, vm);
+      target$1 = undefined;
+  }
+  function eventsMixin(Vue) {
+      var hookRE = /^hook:/;
+      Vue.prototype.$on = function (event, fn) {
+          var vm = this;
+          if (isArray(event)) {
+              for (var i = 0, l = event.length; i < l; i++) {
+                  vm.$on(event[i], fn);
+              }
+          }
+          else {
+              (vm._events[event] || (vm._events[event] = [])).push(fn);
+              // optimize hook:event cost by using a boolean flag marked at registration
+              // instead of a hash lookup
+              if (hookRE.test(event)) {
+                  vm._hasHookEvent = true;
+              }
+          }
+          return vm;
+      };
+      Vue.prototype.$once = function (event, fn) {
+          var vm = this;
+          function on() {
+              vm.$off(event, on);
+              fn.apply(vm, arguments);
+          }
+          on.fn = fn;
+          vm.$on(event, on);
+          return vm;
+      };
+      Vue.prototype.$off = function (event, fn) {
+          var vm = this;
+          // all
+          if (!arguments.length) {
+              vm._events = Object.create(null);
+              return vm;
+          }
+          // array of events
+          if (isArray(event)) {
+              for (var i_1 = 0, l = event.length; i_1 < l; i_1++) {
+                  vm.$off(event[i_1], fn);
+              }
+              return vm;
+          }
+          // specific event
+          var cbs = vm._events[event];
+          if (!cbs) {
+              return vm;
+          }
+          if (!fn) {
+              vm._events[event] = null;
+              return vm;
+          }
+          // specific handler
+          var cb;
+          var i = cbs.length;
+          while (i--) {
+              cb = cbs[i];
+              if (cb === fn || cb.fn === fn) {
+                  cbs.splice(i, 1);
+                  break;
+              }
+          }
+          return vm;
+      };
+      Vue.prototype.$emit = function (event) {
+          var vm = this;
+          {
+              var lowerCaseEvent = event.toLowerCase();
+              if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) {
+                  tip("Event \"".concat(lowerCaseEvent, "\" is emitted in component ") +
+                      "".concat(formatComponentName(vm), " but the handler is registered for \"").concat(event, "\". ") +
+                      "Note that HTML attributes are case-insensitive and you cannot use " +
+                      "v-on to listen to camelCase events when using in-DOM templates. " +
+                      "You should probably use \"".concat(hyphenate(event), "\" instead of \"").concat(event, "\"."));
+              }
+          }
+          var cbs = vm._events[event];
+          if (cbs) {
+              cbs = cbs.length > 1 ? toArray(cbs) : cbs;
+              var args = toArray(arguments, 1);
+              var info = "event handler for \"".concat(event, "\"");
+              for (var i = 0, l = cbs.length; i < l; i++) {
+                  invokeWithErrorHandling(cbs[i], vm, args, vm, info);
+              }
+          }
+          return vm;
+      };
+  }
+
+  var activeInstance = null;
+  var isUpdatingChildComponent = false;
+  function setActiveInstance(vm) {
+      var prevActiveInstance = activeInstance;
+      activeInstance = vm;
+      return function () {
+          activeInstance = prevActiveInstance;
+      };
+  }
+  function initLifecycle(vm) {
+      var options = vm.$options;
+      // locate first non-abstract parent
+      var parent = options.parent;
+      if (parent && !options.abstract) {
+          while (parent.$options.abstract && parent.$parent) {
+              parent = parent.$parent;
+          }
+          parent.$children.push(vm);
+      }
+      vm.$parent = parent;
+      vm.$root = parent ? parent.$root : vm;
+      vm.$children = [];
+      vm.$refs = {};
+      vm._provided = parent ? parent._provided : Object.create(null);
+      vm._watcher = null;
+      vm._inactive = null;
+      vm._directInactive = false;
+      vm._isMounted = false;
+      vm._isDestroyed = false;
+      vm._isBeingDestroyed = false;
+  }
+  function lifecycleMixin(Vue) {
+      Vue.prototype._update = function (vnode, hydrating) {
+          var vm = this;
+          var prevEl = vm.$el;
+          var prevVnode = vm._vnode;
+          var restoreActiveInstance = setActiveInstance(vm);
+          vm._vnode = vnode;
+          // Vue.prototype.__patch__ is injected in entry points
+          // based on the rendering backend used.
+          if (!prevVnode) {
+              // initial render
+              vm.$el = vm.__patch__(vm.$el, vnode, hydrating, false /* removeOnly */);
+          }
+          else {
+              // updates
+              vm.$el = vm.__patch__(prevVnode, vnode);
+          }
+          restoreActiveInstance();
+          // update __vue__ reference
+          if (prevEl) {
+              prevEl.__vue__ = null;
+          }
+          if (vm.$el) {
+              vm.$el.__vue__ = vm;
+          }
+          // if parent is an HOC, update its $el as well
+          if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
+              vm.$parent.$el = vm.$el;
+          }
+          // updated hook is called by the scheduler to ensure that children are
+          // updated in a parent's updated hook.
+      };
+      Vue.prototype.$forceUpdate = function () {
+          var vm = this;
+          if (vm._watcher) {
+              vm._watcher.update();
+          }
+      };
+      Vue.prototype.$destroy = function () {
+          var vm = this;
+          if (vm._isBeingDestroyed) {
+              return;
+          }
+          callHook$1(vm, 'beforeDestroy');
+          vm._isBeingDestroyed = true;
+          // remove self from parent
+          var parent = vm.$parent;
+          if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
+              remove$2(parent.$children, vm);
+          }
+          // teardown scope. this includes both the render watcher and other
+          // watchers created
+          vm._scope.stop();
+          // remove reference from data ob
+          // frozen object may not have observer.
+          if (vm._data.__ob__) {
+              vm._data.__ob__.vmCount--;
+          }
+          // call the last hook...
+          vm._isDestroyed = true;
+          // invoke destroy hooks on current rendered tree
+          vm.__patch__(vm._vnode, null);
+          // fire destroyed hook
+          callHook$1(vm, 'destroyed');
+          // turn off all instance listeners.
+          vm.$off();
+          // remove __vue__ reference
+          if (vm.$el) {
+              vm.$el.__vue__ = null;
+          }
+          // release circular reference (#6759)
+          if (vm.$vnode) {
+              vm.$vnode.parent = null;
+          }
+      };
+  }
+  function mountComponent(vm, el, hydrating) {
+      vm.$el = el;
+      if (!vm.$options.render) {
+          // @ts-expect-error invalid type
+          vm.$options.render = createEmptyVNode;
+          {
+              /* istanbul ignore if */
+              if ((vm.$options.template && vm.$options.template.charAt(0) !== '#') ||
+                  vm.$options.el ||
+                  el) {
+                  warn$2('You are using the runtime-only build of Vue where the template ' +
+                      'compiler is not available. Either pre-compile the templates into ' +
+                      'render functions, or use the compiler-included build.', vm);
+              }
+              else {
+                  warn$2('Failed to mount component: template or render function not defined.', vm);
+              }
+          }
+      }
+      callHook$1(vm, 'beforeMount');
+      var updateComponent;
+      /* istanbul ignore if */
+      if (config.performance && mark) {
+          updateComponent = function () {
+              var name = vm._name;
+              var id = vm._uid;
+              var startTag = "vue-perf-start:".concat(id);
+              var endTag = "vue-perf-end:".concat(id);
+              mark(startTag);
+              var vnode = vm._render();
+              mark(endTag);
+              measure("vue ".concat(name, " render"), startTag, endTag);
+              mark(startTag);
+              vm._update(vnode, hydrating);
+              mark(endTag);
+              measure("vue ".concat(name, " patch"), startTag, endTag);
+          };
+      }
+      else {
+          updateComponent = function () {
+              vm._update(vm._render(), hydrating);
+          };
+      }
+      var watcherOptions = {
+          before: function () {
+              if (vm._isMounted && !vm._isDestroyed) {
+                  callHook$1(vm, 'beforeUpdate');
+              }
+          }
+      };
+      {
+          watcherOptions.onTrack = function (e) { return callHook$1(vm, 'renderTracked', [e]); };
+          watcherOptions.onTrigger = function (e) { return callHook$1(vm, 'renderTriggered', [e]); };
+      }
+      // we set this to vm._watcher inside the watcher's constructor
+      // since the watcher's initial patch may call $forceUpdate (e.g. inside child
+      // component's mounted hook), which relies on vm._watcher being already defined
+      new Watcher(vm, updateComponent, noop, watcherOptions, true /* isRenderWatcher */);
+      hydrating = false;
+      // flush buffer for flush: "pre" watchers queued in setup()
+      var preWatchers = vm._preWatchers;
+      if (preWatchers) {
+          for (var i = 0; i < preWatchers.length; i++) {
+              preWatchers[i].run();
+          }
+      }
+      // manually mounted instance, call mounted on self
+      // mounted is called for render-created child components in its inserted hook
+      if (vm.$vnode == null) {
+          vm._isMounted = true;
+          callHook$1(vm, 'mounted');
+      }
+      return vm;
+  }
+  function updateChildComponent(vm, propsData, listeners, parentVnode, renderChildren) {
+      {
+          isUpdatingChildComponent = true;
+      }
+      // determine whether component has slot children
+      // we need to do this before overwriting $options._renderChildren.
+      // check if there are dynamic scopedSlots (hand-written or compiled but with
+      // dynamic slot names). Static scoped slots compiled from template has the
+      // "$stable" marker.
+      var newScopedSlots = parentVnode.data.scopedSlots;
+      var oldScopedSlots = vm.$scopedSlots;
+      var hasDynamicScopedSlot = !!((newScopedSlots && !newScopedSlots.$stable) ||
+          (oldScopedSlots !== emptyObject && !oldScopedSlots.$stable) ||
+          (newScopedSlots && vm.$scopedSlots.$key !== newScopedSlots.$key) ||
+          (!newScopedSlots && vm.$scopedSlots.$key));
+      // Any static slot children from the parent may have changed during parent's
+      // update. Dynamic scoped slots may also have changed. In such cases, a forced
+      // update is necessary to ensure correctness.
+      var needsForceUpdate = !!(renderChildren || // has new static slots
+          vm.$options._renderChildren || // has old static slots
+          hasDynamicScopedSlot);
+      var prevVNode = vm.$vnode;
+      vm.$options._parentVnode = parentVnode;
+      vm.$vnode = parentVnode; // update vm's placeholder node without re-render
+      if (vm._vnode) {
+          // update child tree's parent
+          vm._vnode.parent = parentVnode;
+      }
+      vm.$options._renderChildren = renderChildren;
+      // update $attrs and $listeners hash
+      // these are also reactive so they may trigger child update if the child
+      // used them during render
+      var attrs = parentVnode.data.attrs || emptyObject;
+      if (vm._attrsProxy) {
+          // force update if attrs are accessed and has changed since it may be
+          // passed to a child component.
+          if (syncSetupAttrs(vm._attrsProxy, attrs, (prevVNode.data && prevVNode.data.attrs) || emptyObject, vm)) {
+              needsForceUpdate = true;
+          }
+      }
+      vm.$attrs = attrs;
+      vm.$listeners = listeners || emptyObject;
+      // update props
+      if (propsData && vm.$options.props) {
+          toggleObserving(false);
+          var props = vm._props;
+          var propKeys = vm.$options._propKeys || [];
+          for (var i = 0; i < propKeys.length; i++) {
+              var key = propKeys[i];
+              var propOptions = vm.$options.props; // wtf flow?
+              props[key] = validateProp(key, propOptions, propsData, vm);
+          }
+          toggleObserving(true);
+          // keep a copy of raw propsData
+          vm.$options.propsData = propsData;
+      }
+      // update listeners
+      listeners = listeners || emptyObject;
+      var oldListeners = vm.$options._parentListeners;
+      vm.$options._parentListeners = listeners;
+      updateComponentListeners(vm, listeners, oldListeners);
+      // resolve slots + force update if has children
+      if (needsForceUpdate) {
+          vm.$slots = resolveSlots(renderChildren, parentVnode.context);
+          vm.$forceUpdate();
+      }
+      {
+          isUpdatingChildComponent = false;
+      }
+  }
+  function isInInactiveTree(vm) {
+      while (vm && (vm = vm.$parent)) {
+          if (vm._inactive)
+              return true;
+      }
+      return false;
+  }
+  function activateChildComponent(vm, direct) {
+      if (direct) {
+          vm._directInactive = false;
+          if (isInInactiveTree(vm)) {
+              return;
+          }
+      }
+      else if (vm._directInactive) {
+          return;
+      }
+      if (vm._inactive || vm._inactive === null) {
+          vm._inactive = false;
+          for (var i = 0; i < vm.$children.length; i++) {
+              activateChildComponent(vm.$children[i]);
+          }
+          callHook$1(vm, 'activated');
+      }
+  }
+  function deactivateChildComponent(vm, direct) {
+      if (direct) {
+          vm._directInactive = true;
+          if (isInInactiveTree(vm)) {
+              return;
+          }
+      }
+      if (!vm._inactive) {
+          vm._inactive = true;
+          for (var i = 0; i < vm.$children.length; i++) {
+              deactivateChildComponent(vm.$children[i]);
+          }
+          callHook$1(vm, 'deactivated');
+      }
+  }
+  function callHook$1(vm, hook, args) {
+      // #7573 disable dep collection when invoking lifecycle hooks
+      pushTarget();
+      var prev = currentInstance;
+      setCurrentInstance(vm);
+      var handlers = vm.$options[hook];
+      var info = "".concat(hook, " hook");
+      if (handlers) {
+          for (var i = 0, j = handlers.length; i < j; i++) {
+              invokeWithErrorHandling(handlers[i], vm, args || null, vm, info);
+          }
+      }
+      if (vm._hasHookEvent) {
+          vm.$emit('hook:' + hook);
+      }
+      setCurrentInstance(prev);
+      popTarget();
+  }
+
+  var MAX_UPDATE_COUNT = 100;
+  var queue = [];
+  var activatedChildren = [];
+  var has = {};
+  var circular = {};
+  var waiting = false;
+  var flushing = false;
+  var index$1 = 0;
+  /**
+   * Reset the scheduler's state.
+   */
+  function resetSchedulerState() {
+      index$1 = queue.length = activatedChildren.length = 0;
+      has = {};
+      {
+          circular = {};
+      }
+      waiting = flushing = false;
+  }
+  // Async edge case #6566 requires saving the timestamp when event listeners are
+  // attached. However, calling performance.now() has a perf overhead especially
+  // if the page has thousands of event listeners. Instead, we take a timestamp
+  // every time the scheduler flushes and use that for all event listeners
+  // attached during that flush.
+  var currentFlushTimestamp = 0;
+  // Async edge case fix requires storing an event listener's attach timestamp.
+  var getNow = Date.now;
+  // Determine what event timestamp the browser is using. Annoyingly, the
+  // timestamp can either be hi-res (relative to page load) or low-res
+  // (relative to UNIX epoch), so in order to compare time we have to use the
+  // same timestamp type when saving the flush timestamp.
+  // All IE versions use low-res event timestamps, and have problematic clock
+  // implementations (#9632)
+  if (inBrowser && !isIE) {
+      var performance_1 = window.performance;
+      if (performance_1 &&
+          typeof performance_1.now === 'function' &&
+          getNow() > document.createEvent('Event').timeStamp) {
+          // if the event timestamp, although evaluated AFTER the Date.now(), is
+          // smaller than it, it means the event is using a hi-res timestamp,
+          // and we need to use the hi-res version for event listener timestamps as
+          // well.
+          getNow = function () { return performance_1.now(); };
+      }
+  }
+  /**
+   * Flush both queues and run the watchers.
+   */
+  function flushSchedulerQueue() {
+      currentFlushTimestamp = getNow();
+      flushing = true;
+      var watcher, id;
+      // Sort queue before flush.
+      // This ensures that:
+      // 1. Components are updated from parent to child. (because parent is always
+      //    created before the child)
+      // 2. A component's user watchers are run before its render watcher (because
+      //    user watchers are created before the render watcher)
+      // 3. If a component is destroyed during a parent component's watcher run,
+      //    its watchers can be skipped.
+      queue.sort(function (a, b) { return a.id - b.id; });
+      // do not cache length because more watchers might be pushed
+      // as we run existing watchers
+      for (index$1 = 0; index$1 < queue.length; index$1++) {
+          watcher = queue[index$1];
+          if (watcher.before) {
+              watcher.before();
+          }
+          id = watcher.id;
+          has[id] = null;
+          watcher.run();
+          // in dev build, check and stop circular updates.
+          if (has[id] != null) {
+              circular[id] = (circular[id] || 0) + 1;
+              if (circular[id] > MAX_UPDATE_COUNT) {
+                  warn$2('You may have an infinite update loop ' +
+                      (watcher.user
+                          ? "in watcher with expression \"".concat(watcher.expression, "\"")
+                          : "in a component render function."), watcher.vm);
+                  break;
+              }
+          }
+      }
+      // keep copies of post queues before resetting state
+      var activatedQueue = activatedChildren.slice();
+      var updatedQueue = queue.slice();
+      resetSchedulerState();
+      // call component updated and activated hooks
+      callActivatedHooks(activatedQueue);
+      callUpdatedHooks(updatedQueue);
+      // devtool hook
+      /* istanbul ignore if */
+      if (devtools && config.devtools) {
+          devtools.emit('flush');
+      }
+  }
+  function callUpdatedHooks(queue) {
+      var i = queue.length;
+      while (i--) {
+          var watcher = queue[i];
+          var vm = watcher.vm;
+          if (vm && vm._watcher === watcher && vm._isMounted && !vm._isDestroyed) {
+              callHook$1(vm, 'updated');
+          }
+      }
+  }
+  /**
+   * Queue a kept-alive component that was activated during patch.
+   * The queue will be processed after the entire tree has been patched.
+   */
+  function queueActivatedComponent(vm) {
+      // setting _inactive to false here so that a render function can
+      // rely on checking whether it's in an inactive tree (e.g. router-view)
+      vm._inactive = false;
+      activatedChildren.push(vm);
+  }
+  function callActivatedHooks(queue) {
+      for (var i = 0; i < queue.length; i++) {
+          queue[i]._inactive = true;
+          activateChildComponent(queue[i], true /* true */);
+      }
+  }
+  /**
+   * Push a watcher into the watcher queue.
+   * Jobs with duplicate IDs will be skipped unless it's
+   * pushed when the queue is being flushed.
+   */
+  function queueWatcher(watcher) {
+      var id = watcher.id;
+      if (has[id] != null) {
+          return;
+      }
+      if (watcher === Dep.target && watcher.noRecurse) {
+          return;
+      }
+      has[id] = true;
+      if (!flushing) {
+          queue.push(watcher);
+      }
+      else {
+          // if already flushing, splice the watcher based on its id
+          // if already past its id, it will be run next immediately.
+          var i = queue.length - 1;
+          while (i > index$1 && queue[i].id > watcher.id) {
+              i--;
+          }
+          queue.splice(i + 1, 0, watcher);
+      }
+      // queue the flush
+      if (!waiting) {
+          waiting = true;
+          if (!config.async) {
+              flushSchedulerQueue();
+              return;
+          }
+          nextTick(flushSchedulerQueue);
+      }
+  }
+
+  var uid = 0;
+  /**
+   * A watcher parses an expression, collects dependencies,
+   * and fires callback when the expression value changes.
+   * This is used for both the $watch() api and directives.
+   * @internal
+   */
+  var Watcher = /** @class */ (function () {
+      function Watcher(vm, expOrFn, cb, options, isRenderWatcher) {
+          recordEffectScope(this, activeEffectScope || (vm ? vm._scope : undefined));
+          if ((this.vm = vm)) {
+              if (isRenderWatcher) {
+                  vm._watcher = this;
+              }
+          }
+          // options
+          if (options) {
+              this.deep = !!options.deep;
+              this.user = !!options.user;
+              this.lazy = !!options.lazy;
+              this.sync = !!options.sync;
+              this.before = options.before;
+              {
+                  this.onTrack = options.onTrack;
+                  this.onTrigger = options.onTrigger;
+              }
+          }
+          else {
+              this.deep = this.user = this.lazy = this.sync = false;
+          }
+          this.cb = cb;
+          this.id = ++uid; // uid for batching
+          this.active = true;
+          this.dirty = this.lazy; // for lazy watchers
+          this.deps = [];
+          this.newDeps = [];
+          this.depIds = new _Set();
+          this.newDepIds = new _Set();
+          this.expression = expOrFn.toString() ;
+          // parse expression for getter
+          if (isFunction(expOrFn)) {
+              this.getter = expOrFn;
+          }
+          else {
+              this.getter = parsePath(expOrFn);
+              if (!this.getter) {
+                  this.getter = noop;
+                  warn$2("Failed watching path: \"".concat(expOrFn, "\" ") +
+                          'Watcher only accepts simple dot-delimited paths. ' +
+                          'For full control, use a function instead.', vm);
+              }
+          }
+          this.value = this.lazy ? undefined : this.get();
+      }
+      /**
+       * Evaluate the getter, and re-collect dependencies.
+       */
+      Watcher.prototype.get = function () {
+          pushTarget(this);
+          var value;
+          var vm = this.vm;
+          try {
+              value = this.getter.call(vm, vm);
+          }
+          catch (e) {
+              if (this.user) {
+                  handleError(e, vm, "getter for watcher \"".concat(this.expression, "\""));
+              }
+              else {
+                  throw e;
+              }
+          }
+          finally {
+              // "touch" every property so they are all tracked as
+              // dependencies for deep watching
+              if (this.deep) {
+                  traverse(value);
+              }
+              popTarget();
+              this.cleanupDeps();
+          }
+          return value;
+      };
+      /**
+       * Add a dependency to this directive.
+       */
+      Watcher.prototype.addDep = function (dep) {
+          var id = dep.id;
+          if (!this.newDepIds.has(id)) {
+              this.newDepIds.add(id);
+              this.newDeps.push(dep);
+              if (!this.depIds.has(id)) {
+                  dep.addSub(this);
+              }
+          }
+      };
+      /**
+       * Clean up for dependency collection.
+       */
+      Watcher.prototype.cleanupDeps = function () {
+          var i = this.deps.length;
+          while (i--) {
+              var dep = this.deps[i];
+              if (!this.newDepIds.has(dep.id)) {
+                  dep.removeSub(this);
+              }
+          }
+          var tmp = this.depIds;
+          this.depIds = this.newDepIds;
+          this.newDepIds = tmp;
+          this.newDepIds.clear();
+          tmp = this.deps;
+          this.deps = this.newDeps;
+          this.newDeps = tmp;
+          this.newDeps.length = 0;
+      };
+      /**
+       * Subscriber interface.
+       * Will be called when a dependency changes.
+       */
+      Watcher.prototype.update = function () {
+          /* istanbul ignore else */
+          if (this.lazy) {
+              this.dirty = true;
+          }
+          else if (this.sync) {
+              this.run();
+          }
+          else {
+              queueWatcher(this);
+          }
+      };
+      /**
+       * Scheduler job interface.
+       * Will be called by the scheduler.
+       */
+      Watcher.prototype.run = function () {
+          if (this.active) {
+              var value = this.get();
+              if (value !== this.value ||
+                  // Deep watchers and watchers on Object/Arrays should fire even
+                  // when the value is the same, because the value may
+                  // have mutated.
+                  isObject(value) ||
+                  this.deep) {
+                  // set new value
+                  var oldValue = this.value;
+                  this.value = value;
+                  if (this.user) {
+                      var info = "callback for watcher \"".concat(this.expression, "\"");
+                      invokeWithErrorHandling(this.cb, this.vm, [value, oldValue], this.vm, info);
+                  }
+                  else {
+                      this.cb.call(this.vm, value, oldValue);
+                  }
+              }
+          }
+      };
+      /**
+       * Evaluate the value of the watcher.
+       * This only gets called for lazy watchers.
+       */
+      Watcher.prototype.evaluate = function () {
+          this.value = this.get();
+          this.dirty = false;
+      };
+      /**
+       * Depend on all deps collected by this watcher.
+       */
+      Watcher.prototype.depend = function () {
+          var i = this.deps.length;
+          while (i--) {
+              this.deps[i].depend();
+          }
+      };
+      /**
+       * Remove self from all dependencies' subscriber list.
+       */
+      Watcher.prototype.teardown = function () {
+          if (this.vm && !this.vm._isBeingDestroyed) {
+              remove$2(this.vm._scope.effects, this);
+          }
+          if (this.active) {
+              var i = this.deps.length;
+              while (i--) {
+                  this.deps[i].removeSub(this);
+              }
+              this.active = false;
+              if (this.onStop) {
+                  this.onStop();
+              }
+          }
+      };
+      return Watcher;
+  }());
+
+  function computed(getterOrOptions, debugOptions) {
+      var getter;
+      var setter;
+      var onlyGetter = isFunction(getterOrOptions);
+      if (onlyGetter) {
+          getter = getterOrOptions;
+          setter = function () {
+                  warn$2('Write operation failed: computed value is readonly');
+              }
+              ;
+      }
+      else {
+          getter = getterOrOptions.get;
+          setter = getterOrOptions.set;
+      }
+      var watcher = isServerRendering()
+          ? null
+          : new Watcher(currentInstance, getter, noop, { lazy: true });
+      if (watcher && debugOptions) {
+          watcher.onTrack = debugOptions.onTrack;
+          watcher.onTrigger = debugOptions.onTrigger;
+      }
+      var ref = {
+          // some libs rely on the presence effect for checking computed refs
+          // from normal refs, but the implementation doesn't matter
+          effect: watcher,
+          get value() {
+              if (watcher) {
+                  if (watcher.dirty) {
+                      watcher.evaluate();
+                  }
+                  if (Dep.target) {
+                      if (Dep.target.onTrack) {
+                          Dep.target.onTrack({
+                              effect: Dep.target,
+                              target: ref,
+                              type: "get" /* TrackOpTypes.GET */,
+                              key: 'value'
+                          });
+                      }
+                      watcher.depend();
+                  }
+                  return watcher.value;
+              }
+              else {
+                  return getter();
+              }
+          },
+          set value(newVal) {
+              setter(newVal);
+          }
+      };
+      def(ref, RefFlag, true);
+      def(ref, "__v_isReadonly" /* ReactiveFlags.IS_READONLY */, onlyGetter);
+      return ref;
+  }
+
+  var WATCHER = "watcher";
+  var WATCHER_CB = "".concat(WATCHER, " callback");
+  var WATCHER_GETTER = "".concat(WATCHER, " getter");
+  var WATCHER_CLEANUP = "".concat(WATCHER, " cleanup");
+  // Simple effect.
+  function watchEffect(effect, options) {
+      return doWatch(effect, null, options);
+  }
+  function watchPostEffect(effect, options) {
+      return doWatch(effect, null, (__assign(__assign({}, options), { flush: 'post' }) ));
+  }
+  function watchSyncEffect(effect, options) {
+      return doWatch(effect, null, (__assign(__assign({}, options), { flush: 'sync' }) ));
+  }
+  // initial value for watchers to trigger on undefined initial values
+  var INITIAL_WATCHER_VALUE = {};
+  // implementation
+  function watch(source, cb, options) {
+      if (typeof cb !== 'function') {
+          warn$2("`watch(fn, options?)` signature has been moved to a separate API. " +
+              "Use `watchEffect(fn, options?)` instead. `watch` now only " +
+              "supports `watch(source, cb, options?) signature.");
+      }
+      return doWatch(source, cb, options);
+  }
+  function doWatch(source, cb, _a) {
+      var _b = _a === void 0 ? emptyObject : _a, immediate = _b.immediate, deep = _b.deep, _c = _b.flush, flush = _c === void 0 ? 'pre' : _c, onTrack = _b.onTrack, onTrigger = _b.onTrigger;
+      if (!cb) {
+          if (immediate !== undefined) {
+              warn$2("watch() \"immediate\" option is only respected when using the " +
+                  "watch(source, callback, options?) signature.");
+          }
+          if (deep !== undefined) {
+              warn$2("watch() \"deep\" option is only respected when using the " +
+                  "watch(source, callback, options?) signature.");
+          }
+      }
+      var warnInvalidSource = function (s) {
+          warn$2("Invalid watch source: ".concat(s, ". A watch source can only be a getter/effect ") +
+              "function, a ref, a reactive object, or an array of these types.");
+      };
+      var instance = currentInstance;
+      var call = function (fn, type, args) {
+          if (args === void 0) { args = null; }
+          return invokeWithErrorHandling(fn, null, args, instance, type);
+      };
+      var getter;
+      var forceTrigger = false;
+      var isMultiSource = false;
+      if (isRef(source)) {
+          getter = function () { return source.value; };
+          forceTrigger = isShallow(source);
+      }
+      else if (isReactive(source)) {
+          getter = isArray(source)
+              ? function () {
+                  source.__ob__.dep.depend();
+                  return source;
+              }
+              : function () { return source; };
+          deep = true;
+      }
+      else if (isArray(source)) {
+          isMultiSource = true;
+          forceTrigger = source.some(function (s) { return isReactive(s) || isShallow(s); });
+          getter = function () {
+              return source.map(function (s) {
+                  if (isRef(s)) {
+                      return s.value;
+                  }
+                  else if (isReactive(s)) {
+                      return traverse(s);
+                  }
+                  else if (isFunction(s)) {
+                      return call(s, WATCHER_GETTER);
+                  }
+                  else {
+                      warnInvalidSource(s);
+                  }
+              });
+          };
+      }
+      else if (isFunction(source)) {
+          if (cb) {
+              // getter with cb
+              getter = function () { return call(source, WATCHER_GETTER); };
+          }
+          else {
+              // no cb -> simple effect
+              getter = function () {
+                  if (instance && instance._isDestroyed) {
+                      return;
+                  }
+                  if (cleanup) {
+                      cleanup();
+                  }
+                  return call(source, WATCHER, [onCleanup]);
+              };
+          }
+      }
+      else {
+          getter = noop;
+          warnInvalidSource(source);
+      }
+      if (cb && deep) {
+          var baseGetter_1 = getter;
+          getter = function () { return traverse(baseGetter_1()); };
+      }
+      var cleanup;
+      var onCleanup = function (fn) {
+          cleanup = watcher.onStop = function () {
+              call(fn, WATCHER_CLEANUP);
+          };
+      };
+      // in SSR there is no need to setup an actual effect, and it should be noop
+      // unless it's eager
+      if (isServerRendering()) {
+          // we will also not call the invalidate callback (+ runner is not set up)
+          onCleanup = noop;
+          if (!cb) {
+              getter();
+          }
+          else if (immediate) {
+              call(cb, WATCHER_CB, [
+                  getter(),
+                  isMultiSource ? [] : undefined,
+                  onCleanup
+              ]);
+          }
+          return noop;
+      }
+      var watcher = new Watcher(currentInstance, getter, noop, {
+          lazy: true
+      });
+      watcher.noRecurse = !cb;
+      var oldValue = isMultiSource ? [] : INITIAL_WATCHER_VALUE;
+      // overwrite default run
+      watcher.run = function () {
+          if (!watcher.active &&
+              !(flush === 'pre' && instance && instance._isBeingDestroyed)) {
+              return;
+          }
+          if (cb) {
+              // watch(source, cb)
+              var newValue = watcher.get();
+              if (deep ||
+                  forceTrigger ||
+                  (isMultiSource
+                      ? newValue.some(function (v, i) {
+                          return hasChanged(v, oldValue[i]);
+                      })
+                      : hasChanged(newValue, oldValue))) {
+                  // cleanup before running cb again
+                  if (cleanup) {
+                      cleanup();
+                  }
+                  call(cb, WATCHER_CB, [
+                      newValue,
+                      // pass undefined as the old value when it's changed for the first time
+                      oldValue === INITIAL_WATCHER_VALUE ? undefined : oldValue,
+                      onCleanup
+                  ]);
+                  oldValue = newValue;
+              }
+          }
+          else {
+              // watchEffect
+              watcher.get();
+          }
+      };
+      if (flush === 'sync') {
+          watcher.update = watcher.run;
+      }
+      else if (flush === 'post') {
+          watcher.id = Infinity;
+          watcher.update = function () { return queueWatcher(watcher); };
+      }
+      else {
+          // pre
+          watcher.update = function () {
+              if (instance && instance === currentInstance) {
+                  // pre-watcher triggered inside setup()
+                  var buffer = instance._preWatchers || (instance._preWatchers = []);
+                  if (buffer.indexOf(watcher) < 0)
+                      buffer.push(watcher);
+              }
+              else {
+                  queueWatcher(watcher);
+              }
+          };
+      }
+      {
+          watcher.onTrack = onTrack;
+          watcher.onTrigger = onTrigger;
+      }
+      // initial run
+      if (cb) {
+          if (immediate) {
+              watcher.run();
+          }
+          else {
+              oldValue = watcher.get();
+          }
+      }
+      else if (flush === 'post' && instance) {
+          instance.$once('hook:mounted', function () { return watcher.get(); });
+      }
+      else {
+          watcher.get();
+      }
+      return function () {
+          watcher.teardown();
+      };
+  }
+
+  /**
+   * @internal this function needs manual public type declaration because it relies
+   * on previously manually authored types from Vue 2
+   */
+  function h(type, props, children) {
+      if (!currentInstance) {
+          warn$2("globally imported h() can only be invoked when there is an active " +
+                  "component instance, e.g. synchronously in a component's render or setup function.");
+      }
+      return createElement$1(currentInstance, type, props, children, 2, true);
+  }
+
+  function handleError(err, vm, info) {
+      // Deactivate deps tracking while processing error handler to avoid possible infinite rendering.
+      // See: https://github.com/vuejs/vuex/issues/1505
+      pushTarget();
+      try {
+          if (vm) {
+              var cur = vm;
+              while ((cur = cur.$parent)) {
+                  var hooks = cur.$options.errorCaptured;
+                  if (hooks) {
+                      for (var i = 0; i < hooks.length; i++) {
+                          try {
+                              var capture = hooks[i].call(cur, err, vm, info) === false;
+                              if (capture)
+                                  return;
+                          }
+                          catch (e) {
+                              globalHandleError(e, cur, 'errorCaptured hook');
+                          }
+                      }
+                  }
+              }
+          }
+          globalHandleError(err, vm, info);
+      }
+      finally {
+          popTarget();
+      }
+  }
+  function invokeWithErrorHandling(handler, context, args, vm, info) {
+      var res;
+      try {
+          res = args ? handler.apply(context, args) : handler.call(context);
+          if (res && !res._isVue && isPromise(res) && !res._handled) {
+              res.catch(function (e) { return handleError(e, vm, info + " (Promise/async)"); });
+              res._handled = true;
+          }
+      }
+      catch (e) {
+          handleError(e, vm, info);
+      }
+      return res;
+  }
+  function globalHandleError(err, vm, info) {
+      if (config.errorHandler) {
+          try {
+              return config.errorHandler.call(null, err, vm, info);
+          }
+          catch (e) {
+              // if the user intentionally throws the original error in the handler,
+              // do not log it twice
+              if (e !== err) {
+                  logError(e, null, 'config.errorHandler');
+              }
+          }
+      }
+      logError(err, vm, info);
+  }
+  function logError(err, vm, info) {
+      {
+          warn$2("Error in ".concat(info, ": \"").concat(err.toString(), "\""), vm);
+      }
+      /* istanbul ignore else */
+      if (inBrowser && typeof console !== 'undefined') {
+          console.error(err);
+      }
+      else {
+          throw err;
+      }
+  }
+
+  /* globals MutationObserver */
+  var isUsingMicroTask = false;
+  var callbacks = [];
+  var pending = false;
+  function flushCallbacks() {
+      pending = false;
+      var copies = callbacks.slice(0);
+      callbacks.length = 0;
+      for (var i = 0; i < copies.length; i++) {
+          copies[i]();
+      }
+  }
+  // Here we have async deferring wrappers using microtasks.
+  // In 2.5 we used (macro) tasks (in combination with microtasks).
+  // However, it has subtle problems when state is changed right before repaint
+  // (e.g. #6813, out-in transitions).
+  // Also, using (macro) tasks in event handler would cause some weird behaviors
+  // that cannot be circumvented (e.g. #7109, #7153, #7546, #7834, #8109).
+  // So we now use microtasks everywhere, again.
+  // A major drawback of this tradeoff is that there are some scenarios
+  // where microtasks have too high a priority and fire in between supposedly
+  // sequential events (e.g. #4521, #6690, which have workarounds)
+  // or even between bubbling of the same event (#6566).
+  var timerFunc;
+  // The nextTick behavior leverages the microtask queue, which can be accessed
+  // via either native Promise.then or MutationObserver.
+  // MutationObserver has wider support, however it is seriously bugged in
+  // UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
+  // completely stops working after triggering a few times... so, if native
+  // Promise is available, we will use it:
+  /* istanbul ignore next, $flow-disable-line */
+  if (typeof Promise !== 'undefined' && isNative(Promise)) {
+      var p_1 = Promise.resolve();
+      timerFunc = function () {
+          p_1.then(flushCallbacks);
+          // In problematic UIWebViews, Promise.then doesn't completely break, but
+          // it can get stuck in a weird state where callbacks are pushed into the
+          // microtask queue but the queue isn't being flushed, until the browser
+          // needs to do some other work, e.g. handle a timer. Therefore we can
+          // "force" the microtask queue to be flushed by adding an empty timer.
+          if (isIOS)
+              setTimeout(noop);
+      };
+      isUsingMicroTask = true;
+  }
+  else if (!isIE &&
+      typeof MutationObserver !== 'undefined' &&
+      (isNative(MutationObserver) ||
+          // PhantomJS and iOS 7.x
+          MutationObserver.toString() === '[object MutationObserverConstructor]')) {
+      // Use MutationObserver where native Promise is not available,
+      // e.g. PhantomJS, iOS7, Android 4.4
+      // (#6466 MutationObserver is unreliable in IE11)
+      var counter_1 = 1;
+      var observer = new MutationObserver(flushCallbacks);
+      var textNode_1 = document.createTextNode(String(counter_1));
+      observer.observe(textNode_1, {
+          characterData: true
+      });
+      timerFunc = function () {
+          counter_1 = (counter_1 + 1) % 2;
+          textNode_1.data = String(counter_1);
+      };
+      isUsingMicroTask = true;
+  }
+  else if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {
+      // Fallback to setImmediate.
+      // Technically it leverages the (macro) task queue,
+      // but it is still a better choice than setTimeout.
+      timerFunc = function () {
+          setImmediate(flushCallbacks);
+      };
+  }
+  else {
+      // Fallback to setTimeout.
+      timerFunc = function () {
+          setTimeout(flushCallbacks, 0);
+      };
+  }
+  /**
+   * @internal
+   */
+  function nextTick(cb, ctx) {
+      var _resolve;
+      callbacks.push(function () {
+          if (cb) {
+              try {
+                  cb.call(ctx);
+              }
+              catch (e) {
+                  handleError(e, ctx, 'nextTick');
+              }
+          }
+          else if (_resolve) {
+              _resolve(ctx);
+          }
+      });
+      if (!pending) {
+          pending = true;
+          timerFunc();
+      }
+      // $flow-disable-line
+      if (!cb && typeof Promise !== 'undefined') {
+          return new Promise(function (resolve) {
+              _resolve = resolve;
+          });
+      }
+  }
+
+  function useCssModule(name) {
+      /* istanbul ignore else */
+      {
+          {
+              warn$2("useCssModule() is not supported in the global build.");
+          }
+          return emptyObject;
+      }
+  }
+
+  /**
+   * Runtime helper for SFC's CSS variable injection feature.
+   * @private
+   */
+  function useCssVars(getter) {
+      if (!inBrowser && !false)
+          return;
+      var instance = currentInstance;
+      if (!instance) {
+          warn$2("useCssVars is called without current active component instance.");
+          return;
+      }
+      watchPostEffect(function () {
+          var el = instance.$el;
+          var vars = getter(instance, instance._setupProxy);
+          if (el && el.nodeType === 1) {
+              var style = el.style;
+              for (var key in vars) {
+                  style.setProperty("--".concat(key), vars[key]);
+              }
+          }
+      });
+  }
+
+  function createLifeCycle(hookName) {
+      return function (fn, target) {
+          if (target === void 0) { target = currentInstance; }
+          if (!target) {
+              warn$2("".concat(formatName(hookName), " is called when there is no active component instance to be ") +
+                      "associated with. " +
+                      "Lifecycle injection APIs can only be used during execution of setup().");
+              return;
+          }
+          return injectHook(target, hookName, fn);
+      };
+  }
+  function formatName(name) {
+      if (name === 'beforeDestroy') {
+          name = 'beforeUnmount';
+      }
+      else if (name === 'destroyed') {
+          name = 'unmounted';
+      }
+      return "on".concat(name[0].toUpperCase() + name.slice(1));
+  }
+  function injectHook(instance, hookName, fn) {
+      var options = instance.$options;
+      options[hookName] = mergeLifecycleHook(options[hookName], fn);
+  }
+  var onBeforeMount = createLifeCycle('beforeMount');
+  var onMounted = createLifeCycle('mounted');
+  var onBeforeUpdate = createLifeCycle('beforeUpdate');
+  var onUpdated = createLifeCycle('updated');
+  var onBeforeUnmount = createLifeCycle('beforeDestroy');
+  var onUnmounted = createLifeCycle('destroyed');
+  var onErrorCaptured = createLifeCycle('errorCaptured');
+  var onActivated = createLifeCycle('activated');
+  var onDeactivated = createLifeCycle('deactivated');
+  var onServerPrefetch = createLifeCycle('serverPrefetch');
+  var onRenderTracked = createLifeCycle('renderTracked');
+  var onRenderTriggered = createLifeCycle('renderTriggered');
+
+  var version = '2.7.0';
+  /**
+   * @internal type is manually declared in <root>/types/v3-define-component.d.ts
+   */
+  function defineComponent(options) {
+      return options;
+  }
+
+  var vca = /*#__PURE__*/Object.freeze({
+    __proto__: null,
+    version: version,
+    defineComponent: defineComponent,
+    ref: ref$1,
+    shallowRef: shallowRef,
+    isRef: isRef,
+    toRef: toRef,
+    toRefs: toRefs,
+    unref: unref,
+    customRef: customRef,
+    triggerRef: triggerRef,
+    reactive: reactive,
+    isReactive: isReactive,
+    isReadonly: isReadonly,
+    isShallow: isShallow,
+    isProxy: isProxy,
+    shallowReactive: shallowReactive,
+    markRaw: markRaw,
+    toRaw: toRaw,
+    readonly: readonly,
+    shallowReadonly: shallowReadonly,
+    computed: computed,
+    watch: watch,
+    watchEffect: watchEffect,
+    watchPostEffect: watchPostEffect,
+    watchSyncEffect: watchSyncEffect,
+    EffectScope: EffectScope,
+    effectScope: effectScope,
+    onScopeDispose: onScopeDispose,
+    getCurrentScope: getCurrentScope,
+    provide: provide,
+    inject: inject,
+    h: h,
+    getCurrentInstance: getCurrentInstance,
+    useSlots: useSlots,
+    useAttrs: useAttrs,
+    mergeDefaults: mergeDefaults,
+    nextTick: nextTick,
+    set: set,
+    del: del,
+    useCssModule: useCssModule,
+    useCssVars: useCssVars,
+    onBeforeMount: onBeforeMount,
+    onMounted: onMounted,
+    onBeforeUpdate: onBeforeUpdate,
+    onUpdated: onUpdated,
+    onBeforeUnmount: onBeforeUnmount,
+    onUnmounted: onUnmounted,
+    onErrorCaptured: onErrorCaptured,
+    onActivated: onActivated,
+    onDeactivated: onDeactivated,
+    onServerPrefetch: onServerPrefetch,
+    onRenderTracked: onRenderTracked,
+    onRenderTriggered: onRenderTriggered
+  });
 
-  function isSameChild (child, oldChild) {
-    return oldChild.key === child.key && oldChild.tag === child.tag
-  }
+  var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
+  var NO_INIITIAL_VALUE = {};
+  /**
+   * In some cases we may want to disable observation inside a component's
+   * update computation.
+   */
+  var shouldObserve = true;
+  function toggleObserving(value) {
+      shouldObserve = value;
+  }
+  /**
+   * Observer class that is attached to each observed
+   * object. Once attached, the observer converts the target
+   * object's property keys into getter/setters that
+   * collect dependencies and dispatch updates.
+   */
+  var Observer = /** @class */ (function () {
+      function Observer(value, shallow) {
+          if (shallow === void 0) { shallow = false; }
+          this.value = value;
+          this.shallow = shallow;
+          // this.value = value
+          this.dep = new Dep();
+          this.vmCount = 0;
+          def(value, '__ob__', this);
+          if (isArray(value)) {
+              if (hasProto) {
+                  protoAugment(value, arrayMethods);
+              }
+              else {
+                  copyAugment(value, arrayMethods, arrayKeys);
+              }
+              if (!shallow) {
+                  this.observeArray(value);
+              }
+          }
+          else {
+              this.walk(value, shallow);
+          }
+      }
+      /**
+       * Walk through all properties and convert them into
+       * getter/setters. This method should only be called when
+       * value type is Object.
+       */
+      Observer.prototype.walk = function (obj, shallow) {
+          var keys = Object.keys(obj);
+          for (var i = 0; i < keys.length; i++) {
+              var key = keys[i];
+              defineReactive(obj, key, NO_INIITIAL_VALUE, undefined, shallow);
+          }
+      };
+      /**
+       * Observe a list of Array items.
+       */
+      Observer.prototype.observeArray = function (items) {
+          for (var i = 0, l = items.length; i < l; i++) {
+              observe(items[i]);
+          }
+      };
+      return Observer;
+  }());
+  // helpers
+  /**
+   * Augment a target Object or Array by intercepting
+   * the prototype chain using __proto__
+   */
+  function protoAugment(target, src) {
+      /* eslint-disable no-proto */
+      target.__proto__ = src;
+      /* eslint-enable no-proto */
+  }
+  /**
+   * Augment a target Object or Array by defining
+   * hidden properties.
+   */
+  /* istanbul ignore next */
+  function copyAugment(target, src, keys) {
+      for (var i = 0, l = keys.length; i < l; i++) {
+          var key = keys[i];
+          def(target, key, src[key]);
+      }
+  }
+  /**
+   * Attempt to create an observer instance for a value,
+   * returns the new observer if successfully observed,
+   * or the existing observer if the value already has one.
+   */
+  function observe(value, shallow) {
+      if (!isObject(value) || isRef(value) || value instanceof VNode) {
+          return;
+      }
+      var ob;
+      if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
+          ob = value.__ob__;
+      }
+      else if (shouldObserve &&
+          !isServerRendering() &&
+          (isArray(value) || isPlainObject(value)) &&
+          Object.isExtensible(value) &&
+          !value.__v_skip) {
+          ob = new Observer(value, shallow);
+      }
+      return ob;
+  }
+  /**
+   * Define a reactive property on an Object.
+   */
+  function defineReactive(obj, key, val, customSetter, shallow) {
+      var dep = new Dep();
+      var property = Object.getOwnPropertyDescriptor(obj, key);
+      if (property && property.configurable === false) {
+          return;
+      }
+      // cater for pre-defined getter/setters
+      var getter = property && property.get;
+      var setter = property && property.set;
+      if ((!getter || setter) &&
+          (val === NO_INIITIAL_VALUE || arguments.length === 2)) {
+          val = obj[key];
+      }
+      var childOb = !shallow && observe(val);
+      Object.defineProperty(obj, key, {
+          enumerable: true,
+          configurable: true,
+          get: function reactiveGetter() {
+              var value = getter ? getter.call(obj) : val;
+              if (Dep.target) {
+                  {
+                      dep.depend({
+                          target: obj,
+                          type: "get" /* TrackOpTypes.GET */,
+                          key: key
+                      });
+                  }
+                  if (childOb) {
+                      childOb.dep.depend();
+                      if (isArray(value)) {
+                          dependArray(value);
+                      }
+                  }
+              }
+              return isRef(value) ? value.value : value;
+          },
+          set: function reactiveSetter(newVal) {
+              var value = getter ? getter.call(obj) : val;
+              if (!hasChanged(value, newVal)) {
+                  return;
+              }
+              if (customSetter) {
+                  customSetter();
+              }
+              if (setter) {
+                  setter.call(obj, newVal);
+              }
+              else if (getter) {
+                  // #7981: for accessor properties without setter
+                  return;
+              }
+              else if (isRef(value) && !isRef(newVal)) {
+                  value.value = newVal;
+                  return;
+              }
+              else {
+                  val = newVal;
+              }
+              childOb = !shallow && observe(newVal);
+              {
+                  dep.notify({
+                      type: "set" /* TriggerOpTypes.SET */,
+                      target: obj,
+                      key: key,
+                      newValue: newVal,
+                      oldValue: value
+                  });
+              }
+          }
+      });
+      return dep;
+  }
+  function set(target, key, val) {
+      if ((isUndef(target) || isPrimitive(target))) {
+          warn$2("Cannot set reactive property on undefined, null, or primitive value: ".concat(target));
+      }
+      if (isReadonly(target)) {
+          warn$2("Set operation on key \"".concat(key, "\" failed: target is readonly."));
+          return;
+      }
+      if (isArray(target) && isValidArrayIndex(key)) {
+          target.length = Math.max(target.length, key);
+          target.splice(key, 1, val);
+          return val;
+      }
+      if (key in target && !(key in Object.prototype)) {
+          target[key] = val;
+          return val;
+      }
+      var ob = target.__ob__;
+      if (target._isVue || (ob && ob.vmCount)) {
+          warn$2('Avoid adding reactive properties to a Vue instance or its root $data ' +
+                  'at runtime - declare it upfront in the data option.');
+          return val;
+      }
+      if (!ob) {
+          target[key] = val;
+          return val;
+      }
+      defineReactive(ob.value, key, val);
+      {
+          ob.dep.notify({
+              type: "add" /* TriggerOpTypes.ADD */,
+              target: target,
+              key: key,
+              newValue: val,
+              oldValue: undefined
+          });
+      }
+      return val;
+  }
+  function del(target, key) {
+      if ((isUndef(target) || isPrimitive(target))) {
+          warn$2("Cannot delete reactive property on undefined, null, or primitive value: ".concat(target));
+      }
+      if (isArray(target) && isValidArrayIndex(key)) {
+          target.splice(key, 1);
+          return;
+      }
+      var ob = target.__ob__;
+      if (target._isVue || (ob && ob.vmCount)) {
+          warn$2('Avoid deleting properties on a Vue instance or its root $data ' +
+                  '- just set it to null.');
+          return;
+      }
+      if (isReadonly(target)) {
+          warn$2("Delete operation on key \"".concat(key, "\" failed: target is readonly."));
+          return;
+      }
+      if (!hasOwn(target, key)) {
+          return;
+      }
+      delete target[key];
+      if (!ob) {
+          return;
+      }
+      {
+          ob.dep.notify({
+              type: "delete" /* TriggerOpTypes.DELETE */,
+              target: target,
+              key: key
+          });
+      }
+  }
+  /**
+   * Collect dependencies on array elements when the array is touched, since
+   * we cannot intercept array element access like property getters.
+   */
+  function dependArray(value) {
+      for (var e = void 0, i = 0, l = value.length; i < l; i++) {
+          e = value[i];
+          if (e && e.__ob__) {
+              e.__ob__.dep.depend();
+          }
+          if (isArray(e)) {
+              dependArray(e);
+          }
+      }
+  }
+
+  /**
+   * Option overwriting strategies are functions that handle
+   * how to merge a parent option value and a child option
+   * value into the final value.
+   */
+  var strats = config.optionMergeStrategies;
+  /**
+   * Options with restrictions
+   */
+  {
+      strats.el = strats.propsData = function (parent, child, vm, key) {
+          if (!vm) {
+              warn$2("option \"".concat(key, "\" can only be used during instance ") +
+                  'creation with the `new` keyword.');
+          }
+          return defaultStrat(parent, child);
+      };
+  }
+  /**
+   * Helper that recursively merges two data objects together.
+   */
+  function mergeData(to, from) {
+      if (!from)
+          return to;
+      var key, toVal, fromVal;
+      var keys = hasSymbol
+          ? Reflect.ownKeys(from)
+          : Object.keys(from);
+      for (var i = 0; i < keys.length; i++) {
+          key = keys[i];
+          // in case the object is already observed...
+          if (key === '__ob__')
+              continue;
+          toVal = to[key];
+          fromVal = from[key];
+          if (!hasOwn(to, key)) {
+              set(to, key, fromVal);
+          }
+          else if (toVal !== fromVal &&
+              isPlainObject(toVal) &&
+              isPlainObject(fromVal)) {
+              mergeData(toVal, fromVal);
+          }
+      }
+      return to;
+  }
+  /**
+   * Data
+   */
+  function mergeDataOrFn(parentVal, childVal, vm) {
+      if (!vm) {
+          // in a Vue.extend merge, both should be functions
+          if (!childVal) {
+              return parentVal;
+          }
+          if (!parentVal) {
+              return childVal;
+          }
+          // when parentVal & childVal are both present,
+          // we need to return a function that returns the
+          // merged result of both functions... no need to
+          // check if parentVal is a function here because
+          // it has to be a function to pass previous merges.
+          return function mergedDataFn() {
+              return mergeData(isFunction(childVal) ? childVal.call(this, this) : childVal, isFunction(parentVal) ? parentVal.call(this, this) : parentVal);
+          };
+      }
+      else {
+          return function mergedInstanceDataFn() {
+              // instance merge
+              var instanceData = isFunction(childVal)
+                  ? childVal.call(vm, vm)
+                  : childVal;
+              var defaultData = isFunction(parentVal)
+                  ? parentVal.call(vm, vm)
+                  : parentVal;
+              if (instanceData) {
+                  return mergeData(instanceData, defaultData);
+              }
+              else {
+                  return defaultData;
+              }
+          };
+      }
+  }
+  strats.data = function (parentVal, childVal, vm) {
+      if (!vm) {
+          if (childVal && typeof childVal !== 'function') {
+              warn$2('The "data" option should be a function ' +
+                      'that returns a per-instance value in component ' +
+                      'definitions.', vm);
+              return parentVal;
+          }
+          return mergeDataOrFn(parentVal, childVal);
+      }
+      return mergeDataOrFn(parentVal, childVal, vm);
+  };
+  /**
+   * Hooks and props are merged as arrays.
+   */
+  function mergeLifecycleHook(parentVal, childVal) {
+      var res = childVal
+          ? parentVal
+              ? parentVal.concat(childVal)
+              : isArray(childVal)
+                  ? childVal
+                  : [childVal]
+          : parentVal;
+      return res ? dedupeHooks(res) : res;
+  }
+  function dedupeHooks(hooks) {
+      var res = [];
+      for (var i = 0; i < hooks.length; i++) {
+          if (res.indexOf(hooks[i]) === -1) {
+              res.push(hooks[i]);
+          }
+      }
+      return res;
+  }
+  LIFECYCLE_HOOKS.forEach(function (hook) {
+      strats[hook] = mergeLifecycleHook;
+  });
+  /**
+   * Assets
+   *
+   * When a vm is present (instance creation), we need to do
+   * a three-way merge between constructor options, instance
+   * options and parent options.
+   */
+  function mergeAssets(parentVal, childVal, vm, key) {
+      var res = Object.create(parentVal || null);
+      if (childVal) {
+          assertObjectType(key, childVal, vm);
+          return extend(res, childVal);
+      }
+      else {
+          return res;
+      }
+  }
+  ASSET_TYPES.forEach(function (type) {
+      strats[type + 's'] = mergeAssets;
+  });
+  /**
+   * Watchers.
+   *
+   * Watchers hashes should not overwrite one
+   * another, so we merge them as arrays.
+   */
+  strats.watch = function (parentVal, childVal, vm, key) {
+      // work around Firefox's Object.prototype.watch...
+      //@ts-expect-error work around
+      if (parentVal === nativeWatch)
+          parentVal = undefined;
+      //@ts-expect-error work around
+      if (childVal === nativeWatch)
+          childVal = undefined;
+      /* istanbul ignore if */
+      if (!childVal)
+          return Object.create(parentVal || null);
+      {
+          assertObjectType(key, childVal, vm);
+      }
+      if (!parentVal)
+          return childVal;
+      var ret = {};
+      extend(ret, parentVal);
+      for (var key_1 in childVal) {
+          var parent_1 = ret[key_1];
+          var child = childVal[key_1];
+          if (parent_1 && !isArray(parent_1)) {
+              parent_1 = [parent_1];
+          }
+          ret[key_1] = parent_1 ? parent_1.concat(child) : isArray(child) ? child : [child];
+      }
+      return ret;
+  };
+  /**
+   * Other object hashes.
+   */
+  strats.props =
+      strats.methods =
+          strats.inject =
+              strats.computed =
+                  function (parentVal, childVal, vm, key) {
+                      if (childVal && true) {
+                          assertObjectType(key, childVal, vm);
+                      }
+                      if (!parentVal)
+                          return childVal;
+                      var ret = Object.create(null);
+                      extend(ret, parentVal);
+                      if (childVal)
+                          extend(ret, childVal);
+                      return ret;
+                  };
+  strats.provide = mergeDataOrFn;
+  /**
+   * Default strategy.
+   */
+  var defaultStrat = function (parentVal, childVal) {
+      return childVal === undefined ? parentVal : childVal;
+  };
+  /**
+   * Validate component names
+   */
+  function checkComponents(options) {
+      for (var key in options.components) {
+          validateComponentName(key);
+      }
+  }
+  function validateComponentName(name) {
+      if (!new RegExp("^[a-zA-Z][\\-\\.0-9_".concat(unicodeRegExp.source, "]*$")).test(name)) {
+          warn$2('Invalid component name: "' +
+              name +
+              '". Component names ' +
+              'should conform to valid custom element name in html5 specification.');
+      }
+      if (isBuiltInTag(name) || config.isReservedTag(name)) {
+          warn$2('Do not use built-in or reserved HTML elements as component ' +
+              'id: ' +
+              name);
+      }
+  }
+  /**
+   * Ensure all props option syntax are normalized into the
+   * Object-based format.
+   */
+  function normalizeProps(options, vm) {
+      var props = options.props;
+      if (!props)
+          return;
+      var res = {};
+      var i, val, name;
+      if (isArray(props)) {
+          i = props.length;
+          while (i--) {
+              val = props[i];
+              if (typeof val === 'string') {
+                  name = camelize(val);
+                  res[name] = { type: null };
+              }
+              else {
+                  warn$2('props must be strings when using array syntax.');
+              }
+          }
+      }
+      else if (isPlainObject(props)) {
+          for (var key in props) {
+              val = props[key];
+              name = camelize(key);
+              res[name] = isPlainObject(val) ? val : { type: val };
+          }
+      }
+      else {
+          warn$2("Invalid value for option \"props\": expected an Array or an Object, " +
+              "but got ".concat(toRawType(props), "."), vm);
+      }
+      options.props = res;
+  }
+  /**
+   * Normalize all injections into Object-based format
+   */
+  function normalizeInject(options, vm) {
+      var inject = options.inject;
+      if (!inject)
+          return;
+      var normalized = (options.inject = {});
+      if (isArray(inject)) {
+          for (var i = 0; i < inject.length; i++) {
+              normalized[inject[i]] = { from: inject[i] };
+          }
+      }
+      else if (isPlainObject(inject)) {
+          for (var key in inject) {
+              var val = inject[key];
+              normalized[key] = isPlainObject(val)
+                  ? extend({ from: key }, val)
+                  : { from: val };
+          }
+      }
+      else {
+          warn$2("Invalid value for option \"inject\": expected an Array or an Object, " +
+              "but got ".concat(toRawType(inject), "."), vm);
+      }
+  }
+  /**
+   * Normalize raw function directives into object format.
+   */
+  function normalizeDirectives$1(options) {
+      var dirs = options.directives;
+      if (dirs) {
+          for (var key in dirs) {
+              var def = dirs[key];
+              if (isFunction(def)) {
+                  dirs[key] = { bind: def, update: def };
+              }
+          }
+      }
+  }
+  function assertObjectType(name, value, vm) {
+      if (!isPlainObject(value)) {
+          warn$2("Invalid value for option \"".concat(name, "\": expected an Object, ") +
+              "but got ".concat(toRawType(value), "."), vm);
+      }
+  }
+  /**
+   * Merge two option objects into a new one.
+   * Core utility used in both instantiation and inheritance.
+   */
+  function mergeOptions(parent, child, vm) {
+      {
+          checkComponents(child);
+      }
+      if (isFunction(child)) {
+          // @ts-expect-error
+          child = child.options;
+      }
+      normalizeProps(child, vm);
+      normalizeInject(child, vm);
+      normalizeDirectives$1(child);
+      // Apply extends and mixins on the child options,
+      // but only if it is a raw options object that isn't
+      // the result of another mergeOptions call.
+      // Only merged options has the _base property.
+      if (!child._base) {
+          if (child.extends) {
+              parent = mergeOptions(parent, child.extends, vm);
+          }
+          if (child.mixins) {
+              for (var i = 0, l = child.mixins.length; i < l; i++) {
+                  parent = mergeOptions(parent, child.mixins[i], vm);
+              }
+          }
+      }
+      var options = {};
+      var key;
+      for (key in parent) {
+          mergeField(key);
+      }
+      for (key in child) {
+          if (!hasOwn(parent, key)) {
+              mergeField(key);
+          }
+      }
+      function mergeField(key) {
+          var strat = strats[key] || defaultStrat;
+          options[key] = strat(parent[key], child[key], vm, key);
+      }
+      return options;
+  }
+  /**
+   * Resolve an asset.
+   * This function is used because child instances need access
+   * to assets defined in its ancestor chain.
+   */
+  function resolveAsset(options, type, id, warnMissing) {
+      /* istanbul ignore if */
+      if (typeof id !== 'string') {
+          return;
+      }
+      var assets = options[type];
+      // check local registration variations first
+      if (hasOwn(assets, id))
+          return assets[id];
+      var camelizedId = camelize(id);
+      if (hasOwn(assets, camelizedId))
+          return assets[camelizedId];
+      var PascalCaseId = capitalize(camelizedId);
+      if (hasOwn(assets, PascalCaseId))
+          return assets[PascalCaseId];
+      // fallback to prototype chain
+      var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];
+      if (warnMissing && !res) {
+          warn$2('Failed to resolve ' + type.slice(0, -1) + ': ' + id);
+      }
+      return res;
+  }
+
+  function validateProp(key, propOptions, propsData, vm) {
+      var prop = propOptions[key];
+      var absent = !hasOwn(propsData, key);
+      var value = propsData[key];
+      // boolean casting
+      var booleanIndex = getTypeIndex(Boolean, prop.type);
+      if (booleanIndex > -1) {
+          if (absent && !hasOwn(prop, 'default')) {
+              value = false;
+          }
+          else if (value === '' || value === hyphenate(key)) {
+              // only cast empty string / same name to boolean if
+              // boolean has higher priority
+              var stringIndex = getTypeIndex(String, prop.type);
+              if (stringIndex < 0 || booleanIndex < stringIndex) {
+                  value = true;
+              }
+          }
+      }
+      // check default value
+      if (value === undefined) {
+          value = getPropDefaultValue(vm, prop, key);
+          // since the default value is a fresh copy,
+          // make sure to observe it.
+          var prevShouldObserve = shouldObserve;
+          toggleObserving(true);
+          observe(value);
+          toggleObserving(prevShouldObserve);
+      }
+      {
+          assertProp(prop, key, value, vm, absent);
+      }
+      return value;
+  }
+  /**
+   * Get the default value of a prop.
+   */
+  function getPropDefaultValue(vm, prop, key) {
+      // no default, return undefined
+      if (!hasOwn(prop, 'default')) {
+          return undefined;
+      }
+      var def = prop.default;
+      // warn against non-factory defaults for Object & Array
+      if (isObject(def)) {
+          warn$2('Invalid default value for prop "' +
+              key +
+              '": ' +
+              'Props with type Object/Array must use a factory function ' +
+              'to return the default value.', vm);
+      }
+      // the raw prop value was also undefined from previous render,
+      // return previous default value to avoid unnecessary watcher trigger
+      if (vm &&
+          vm.$options.propsData &&
+          vm.$options.propsData[key] === undefined &&
+          vm._props[key] !== undefined) {
+          return vm._props[key];
+      }
+      // call factory function for non-Function types
+      // a value is Function if its prototype is function even across different execution context
+      return isFunction(def) && getType(prop.type) !== 'Function'
+          ? def.call(vm)
+          : def;
+  }
+  /**
+   * Assert whether a prop is valid.
+   */
+  function assertProp(prop, name, value, vm, absent) {
+      if (prop.required && absent) {
+          warn$2('Missing required prop: "' + name + '"', vm);
+          return;
+      }
+      if (value == null && !prop.required) {
+          return;
+      }
+      var type = prop.type;
+      var valid = !type || type === true;
+      var expectedTypes = [];
+      if (type) {
+          if (!isArray(type)) {
+              type = [type];
+          }
+          for (var i = 0; i < type.length && !valid; i++) {
+              var assertedType = assertType(value, type[i], vm);
+              expectedTypes.push(assertedType.expectedType || '');
+              valid = assertedType.valid;
+          }
+      }
+      var haveExpectedTypes = expectedTypes.some(function (t) { return t; });
+      if (!valid && haveExpectedTypes) {
+          warn$2(getInvalidTypeMessage(name, value, expectedTypes), vm);
+          return;
+      }
+      var validator = prop.validator;
+      if (validator) {
+          if (!validator(value)) {
+              warn$2('Invalid prop: custom validator check failed for prop "' + name + '".', vm);
+          }
+      }
+  }
+  var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol|BigInt)$/;
+  function assertType(value, type, vm) {
+      var valid;
+      var expectedType = getType(type);
+      if (simpleCheckRE.test(expectedType)) {
+          var t = typeof value;
+          valid = t === expectedType.toLowerCase();
+          // for primitive wrapper objects
+          if (!valid && t === 'object') {
+              valid = value instanceof type;
+          }
+      }
+      else if (expectedType === 'Object') {
+          valid = isPlainObject(value);
+      }
+      else if (expectedType === 'Array') {
+          valid = isArray(value);
+      }
+      else {
+          try {
+              valid = value instanceof type;
+          }
+          catch (e) {
+              warn$2('Invalid prop type: "' + String(type) + '" is not a constructor', vm);
+              valid = false;
+          }
+      }
+      return {
+          valid: valid,
+          expectedType: expectedType
+      };
+  }
+  var functionTypeCheckRE = /^\s*function (\w+)/;
+  /**
+   * Use function string name to check built-in types,
+   * because a simple equality check will fail when running
+   * across different vms / iframes.
+   */
+  function getType(fn) {
+      var match = fn && fn.toString().match(functionTypeCheckRE);
+      return match ? match[1] : '';
+  }
+  function isSameType(a, b) {
+      return getType(a) === getType(b);
+  }
+  function getTypeIndex(type, expectedTypes) {
+      if (!isArray(expectedTypes)) {
+          return isSameType(expectedTypes, type) ? 0 : -1;
+      }
+      for (var i = 0, len = expectedTypes.length; i < len; i++) {
+          if (isSameType(expectedTypes[i], type)) {
+              return i;
+          }
+      }
+      return -1;
+  }
+  function getInvalidTypeMessage(name, value, expectedTypes) {
+      var message = "Invalid prop: type check failed for prop \"".concat(name, "\".") +
+          " Expected ".concat(expectedTypes.map(capitalize).join(', '));
+      var expectedType = expectedTypes[0];
+      var receivedType = toRawType(value);
+      // check if we need to specify expected value
+      if (expectedTypes.length === 1 &&
+          isExplicable(expectedType) &&
+          isExplicable(typeof value) &&
+          !isBoolean(expectedType, receivedType)) {
+          message += " with value ".concat(styleValue(value, expectedType));
+      }
+      message += ", got ".concat(receivedType, " ");
+      // check if we need to specify received value
+      if (isExplicable(receivedType)) {
+          message += "with value ".concat(styleValue(value, receivedType), ".");
+      }
+      return message;
+  }
+  function styleValue(value, type) {
+      if (type === 'String') {
+          return "\"".concat(value, "\"");
+      }
+      else if (type === 'Number') {
+          return "".concat(Number(value));
+      }
+      else {
+          return "".concat(value);
+      }
+  }
+  var EXPLICABLE_TYPES = ['string', 'number', 'boolean'];
+  function isExplicable(value) {
+      return EXPLICABLE_TYPES.some(function (elem) { return value.toLowerCase() === elem; });
+  }
+  function isBoolean() {
+      var args = [];
+      for (var _i = 0; _i < arguments.length; _i++) {
+          args[_i] = arguments[_i];
+      }
+      return args.some(function (elem) { return elem.toLowerCase() === 'boolean'; });
+  }
+
+  function Vue(options) {
+      if (!(this instanceof Vue)) {
+          warn$2('Vue is a constructor and should be called with the `new` keyword');
+      }
+      this._init(options);
+  }
+  //@ts-expect-error Vue has function type
+  initMixin$1(Vue);
+  //@ts-expect-error Vue has function type
+  stateMixin(Vue);
+  //@ts-expect-error Vue has function type
+  eventsMixin(Vue);
+  //@ts-expect-error Vue has function type
+  lifecycleMixin(Vue);
+  //@ts-expect-error Vue has function type
+  renderMixin(Vue);
 
-  var isNotTextNode = function (c) { return c.tag || isAsyncPlaceholder(c); };
-
-  var isVShowDirective = function (d) { return d.name === 'show'; };
-
-  var Transition = {
-    name: 'transition',
-    props: transitionProps,
-    abstract: true,
-
-    render: function render (h) {
-      var this$1 = this;
-
-      var children = this.$slots.default;
-      if (!children) {
-        return
-      }
-
-      // filter out text nodes (possible whitespaces)
-      children = children.filter(isNotTextNode);
-      /* istanbul ignore if */
-      if (!children.length) {
-        return
-      }
-
-      // warn multiple elements
-      if (children.length > 1) {
-        warn(
-          '<transition> can only be used on a single element. Use ' +
-          '<transition-group> for lists.',
-          this.$parent
-        );
-      }
-
-      var mode = this.mode;
-
-      // warn invalid mode
-      if (mode && mode !== 'in-out' && mode !== 'out-in'
-      ) {
-        warn(
-          'invalid <transition> mode: ' + mode,
-          this.$parent
-        );
-      }
-
-      var rawChild = children[0];
-
-      // if this is a component root node and the component's
-      // parent container node also has transition, skip.
-      if (hasParentTransition(this.$vnode)) {
-        return rawChild
-      }
-
-      // apply transition data to child
-      // use getRealChild() to ignore abstract components e.g. keep-alive
-      var child = getRealChild(rawChild);
-      /* istanbul ignore if */
-      if (!child) {
-        return rawChild
-      }
-
-      if (this._leaving) {
-        return placeholder(h, rawChild)
-      }
-
-      // ensure a key that is unique to the vnode type and to this transition
-      // component instance. This key will be used to remove pending leaving nodes
-      // during entering.
-      var id = "__transition-" + (this._uid) + "-";
-      child.key = child.key == null
-        ? child.isComment
-          ? id + 'comment'
-          : id + child.tag
-        : isPrimitive(child.key)
-          ? (String(child.key).indexOf(id) === 0 ? child.key : id + child.key)
-          : child.key;
-
-      var data = (child.data || (child.data = {})).transition = extractTransitionData(this);
-      var oldRawChild = this._vnode;
-      var oldChild = getRealChild(oldRawChild);
-
-      // mark v-show
-      // so that the transition module can hand over the control to the directive
-      if (child.data.directives && child.data.directives.some(isVShowDirective)) {
-        child.data.show = true;
-      }
-
-      if (
-        oldChild &&
-        oldChild.data &&
-        !isSameChild(child, oldChild) &&
-        !isAsyncPlaceholder(oldChild) &&
-        // #6687 component root is a comment node
-        !(oldChild.componentInstance && oldChild.componentInstance._vnode.isComment)
-      ) {
-        // replace old child transition data with fresh one
-        // important for dynamic transitions!
-        var oldData = oldChild.data.transition = extend({}, data);
-        // handle transition mode
-        if (mode === 'out-in') {
-          // return placeholder node and queue update when leave finishes
-          this._leaving = true;
-          mergeVNodeHook(oldData, 'afterLeave', function () {
-            this$1._leaving = false;
-            this$1.$forceUpdate();
-          });
-          return placeholder(h, rawChild)
-        } else if (mode === 'in-out') {
-          if (isAsyncPlaceholder(child)) {
-            return oldRawChild
-          }
-          var delayedLeave;
-          var performLeave = function () { delayedLeave(); };
-          mergeVNodeHook(data, 'afterEnter', performLeave);
-          mergeVNodeHook(data, 'enterCancelled', performLeave);
-          mergeVNodeHook(oldData, 'delayLeave', function (leave) { delayedLeave = leave; });
-        }
-      }
-
-      return rawChild
-    }
+  function initUse(Vue) {
+      Vue.use = function (plugin) {
+          var installedPlugins = this._installedPlugins || (this._installedPlugins = []);
+          if (installedPlugins.indexOf(plugin) > -1) {
+              return this;
+          }
+          // additional parameters
+          var args = toArray(arguments, 1);
+          args.unshift(this);
+          if (isFunction(plugin.install)) {
+              plugin.install.apply(plugin, args);
+          }
+          else if (isFunction(plugin)) {
+              plugin.apply(null, args);
+          }
+          installedPlugins.push(plugin);
+          return this;
+      };
+  }
+
+  function initMixin(Vue) {
+      Vue.mixin = function (mixin) {
+          this.options = mergeOptions(this.options, mixin);
+          return this;
+      };
+  }
+
+  function initExtend(Vue) {
+      /**
+       * Each instance constructor, including Vue, has a unique
+       * cid. This enables us to create wrapped "child
+       * constructors" for prototypal inheritance and cache them.
+       */
+      Vue.cid = 0;
+      var cid = 1;
+      /**
+       * Class inheritance
+       */
+      Vue.extend = function (extendOptions) {
+          extendOptions = extendOptions || {};
+          var Super = this;
+          var SuperId = Super.cid;
+          var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});
+          if (cachedCtors[SuperId]) {
+              return cachedCtors[SuperId];
+          }
+          var name = extendOptions.name || Super.options.name;
+          if (name) {
+              validateComponentName(name);
+          }
+          var Sub = function VueComponent(options) {
+              this._init(options);
+          };
+          Sub.prototype = Object.create(Super.prototype);
+          Sub.prototype.constructor = Sub;
+          Sub.cid = cid++;
+          Sub.options = mergeOptions(Super.options, extendOptions);
+          Sub['super'] = Super;
+          // For props and computed properties, we define the proxy getters on
+          // the Vue instances at extension time, on the extended prototype. This
+          // avoids Object.defineProperty calls for each instance created.
+          if (Sub.options.props) {
+              initProps(Sub);
+          }
+          if (Sub.options.computed) {
+              initComputed(Sub);
+          }
+          // allow further extension/mixin/plugin usage
+          Sub.extend = Super.extend;
+          Sub.mixin = Super.mixin;
+          Sub.use = Super.use;
+          // create asset registers, so extended classes
+          // can have their private assets too.
+          ASSET_TYPES.forEach(function (type) {
+              Sub[type] = Super[type];
+          });
+          // enable recursive self-lookup
+          if (name) {
+              Sub.options.components[name] = Sub;
+          }
+          // keep a reference to the super options at extension time.
+          // later at instantiation we can check if Super's options have
+          // been updated.
+          Sub.superOptions = Super.options;
+          Sub.extendOptions = extendOptions;
+          Sub.sealedOptions = extend({}, Sub.options);
+          // cache constructor
+          cachedCtors[SuperId] = Sub;
+          return Sub;
+      };
+  }
+  function initProps(Comp) {
+      var props = Comp.options.props;
+      for (var key in props) {
+          proxy(Comp.prototype, "_props", key);
+      }
+  }
+  function initComputed(Comp) {
+      var computed = Comp.options.computed;
+      for (var key in computed) {
+          defineComputed(Comp.prototype, key, computed[key]);
+      }
+  }
+
+  function initAssetRegisters(Vue) {
+      /**
+       * Create asset registration methods.
+       */
+      ASSET_TYPES.forEach(function (type) {
+          // @ts-expect-error function is not exact same type
+          Vue[type] = function (id, definition) {
+              if (!definition) {
+                  return this.options[type + 's'][id];
+              }
+              else {
+                  /* istanbul ignore if */
+                  if (type === 'component') {
+                      validateComponentName(id);
+                  }
+                  if (type === 'component' && isPlainObject(definition)) {
+                      // @ts-expect-error
+                      definition.name = definition.name || id;
+                      definition = this.options._base.extend(definition);
+                  }
+                  if (type === 'directive' && isFunction(definition)) {
+                      definition = { bind: definition, update: definition };
+                  }
+                  this.options[type + 's'][id] = definition;
+                  return definition;
+              }
+          };
+      });
+  }
+
+  function getComponentName(opts) {
+      return opts && (opts.Ctor.options.name || opts.tag);
+  }
+  function matches(pattern, name) {
+      if (isArray(pattern)) {
+          return pattern.indexOf(name) > -1;
+      }
+      else if (typeof pattern === 'string') {
+          return pattern.split(',').indexOf(name) > -1;
+      }
+      else if (isRegExp(pattern)) {
+          return pattern.test(name);
+      }
+      /* istanbul ignore next */
+      return false;
+  }
+  function pruneCache(keepAliveInstance, filter) {
+      var cache = keepAliveInstance.cache, keys = keepAliveInstance.keys, _vnode = keepAliveInstance._vnode;
+      for (var key in cache) {
+          var entry = cache[key];
+          if (entry) {
+              var name_1 = entry.name;
+              if (name_1 && !filter(name_1)) {
+                  pruneCacheEntry(cache, key, keys, _vnode);
+              }
+          }
+      }
+  }
+  function pruneCacheEntry(cache, key, keys, current) {
+      var entry = cache[key];
+      if (entry && (!current || entry.tag !== current.tag)) {
+          // @ts-expect-error can be undefined
+          entry.componentInstance.$destroy();
+      }
+      cache[key] = null;
+      remove$2(keys, key);
+  }
+  var patternTypes = [String, RegExp, Array];
+  // TODO defineComponent
+  var KeepAlive = {
+      name: 'keep-alive',
+      abstract: true,
+      props: {
+          include: patternTypes,
+          exclude: patternTypes,
+          max: [String, Number]
+      },
+      methods: {
+          cacheVNode: function () {
+              var _a = this, cache = _a.cache, keys = _a.keys, vnodeToCache = _a.vnodeToCache, keyToCache = _a.keyToCache;
+              if (vnodeToCache) {
+                  var tag = vnodeToCache.tag, componentInstance = vnodeToCache.componentInstance, componentOptions = vnodeToCache.componentOptions;
+                  cache[keyToCache] = {
+                      name: getComponentName(componentOptions),
+                      tag: tag,
+                      componentInstance: componentInstance
+                  };
+                  keys.push(keyToCache);
+                  // prune oldest entry
+                  if (this.max && keys.length > parseInt(this.max)) {
+                      pruneCacheEntry(cache, keys[0], keys, this._vnode);
+                  }
+                  this.vnodeToCache = null;
+              }
+          }
+      },
+      created: function () {
+          this.cache = Object.create(null);
+          this.keys = [];
+      },
+      destroyed: function () {
+          for (var key in this.cache) {
+              pruneCacheEntry(this.cache, key, this.keys);
+          }
+      },
+      mounted: function () {
+          var _this = this;
+          this.cacheVNode();
+          this.$watch('include', function (val) {
+              pruneCache(_this, function (name) { return matches(val, name); });
+          });
+          this.$watch('exclude', function (val) {
+              pruneCache(_this, function (name) { return !matches(val, name); });
+          });
+      },
+      updated: function () {
+          this.cacheVNode();
+      },
+      render: function () {
+          var slot = this.$slots.default;
+          var vnode = getFirstComponentChild(slot);
+          var componentOptions = vnode && vnode.componentOptions;
+          if (componentOptions) {
+              // check pattern
+              var name_2 = getComponentName(componentOptions);
+              var _a = this, include = _a.include, exclude = _a.exclude;
+              if (
+              // not included
+              (include && (!name_2 || !matches(include, name_2))) ||
+                  // excluded
+                  (exclude && name_2 && matches(exclude, name_2))) {
+                  return vnode;
+              }
+              var _b = this, cache = _b.cache, keys = _b.keys;
+              var key = vnode.key == null
+                  ? // same constructor may get registered as different local components
+                      // so cid alone is not enough (#3269)
+                      componentOptions.Ctor.cid +
+                          (componentOptions.tag ? "::".concat(componentOptions.tag) : '')
+                  : vnode.key;
+              if (cache[key]) {
+                  vnode.componentInstance = cache[key].componentInstance;
+                  // make current key freshest
+                  remove$2(keys, key);
+                  keys.push(key);
+              }
+              else {
+                  // delay setting the cache until update
+                  this.vnodeToCache = vnode;
+                  this.keyToCache = key;
+              }
+              // @ts-expect-error can vnode.data can be undefined
+              vnode.data.keepAlive = true;
+          }
+          return vnode || (slot && slot[0]);
+      }
   };
 
-  /*  */
-
-  var props = extend({
-    tag: String,
-    moveClass: String
-  }, transitionProps);
-
-  delete props.mode;
-
-  var TransitionGroup = {
-    props: props,
-
-    beforeMount: function beforeMount () {
-      var this$1 = this;
-
-      var update = this._update;
-      this._update = function (vnode, hydrating) {
-        var restoreActiveInstance = setActiveInstance(this$1);
-        // force removing pass
-        this$1.__patch__(
-          this$1._vnode,
-          this$1.kept,
-          false, // hydrating
-          true // removeOnly (!important, avoids unnecessary moves)
-        );
-        this$1._vnode = this$1.kept;
-        restoreActiveInstance();
-        update.call(this$1, vnode, hydrating);
-      };
-    },
-
-    render: function render (h) {
-      var tag = this.tag || this.$vnode.data.tag || 'span';
-      var map = Object.create(null);
-      var prevChildren = this.prevChildren = this.children;
-      var rawChildren = this.$slots.default || [];
-      var children = this.children = [];
-      var transitionData = extractTransitionData(this);
-
-      for (var i = 0; i < rawChildren.length; i++) {
-        var c = rawChildren[i];
-        if (c.tag) {
-          if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {
-            children.push(c);
-            map[c.key] = c
-            ;(c.data || (c.data = {})).transition = transitionData;
-          } else {
-            var opts = c.componentOptions;
-            var name = opts ? (opts.Ctor.options.name || opts.tag || '') : c.tag;
-            warn(("<transition-group> children must be keyed: <" + name + ">"));
-          }
-        }
-      }
-
-      if (prevChildren) {
-        var kept = [];
-        var removed = [];
-        for (var i$1 = 0; i$1 < prevChildren.length; i$1++) {
-          var c$1 = prevChildren[i$1];
-          c$1.data.transition = transitionData;
-          c$1.data.pos = c$1.elm.getBoundingClientRect();
-          if (map[c$1.key]) {
-            kept.push(c$1);
-          } else {
-            removed.push(c$1);
-          }
-        }
-        this.kept = h(tag, null, kept);
-        this.removed = removed;
-      }
-
-      return h(tag, null, children)
-    },
-
-    updated: function updated () {
-      var children = this.prevChildren;
-      var moveClass = this.moveClass || ((this.name || 'v') + '-move');
-      if (!children.length || !this.hasMove(children[0].elm, moveClass)) {
-        return
-      }
-
-      // we divide the work into three loops to avoid mixing DOM reads and writes
-      // in each iteration - which helps prevent layout thrashing.
-      children.forEach(callPendingCbs);
-      children.forEach(recordPosition);
-      children.forEach(applyTranslation);
-
-      // force reflow to put everything in position
-      // assign to this to avoid being removed in tree-shaking
-      // $flow-disable-line
-      this._reflow = document.body.offsetHeight;
-
-      children.forEach(function (c) {
-        if (c.data.moved) {
-          var el = c.elm;
-          var s = el.style;
-          addTransitionClass(el, moveClass);
-          s.transform = s.WebkitTransform = s.transitionDuration = '';
-          el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) {
-            if (e && e.target !== el) {
-              return
-            }
-            if (!e || /transform$/.test(e.propertyName)) {
-              el.removeEventListener(transitionEndEvent, cb);
-              el._moveCb = null;
-              removeTransitionClass(el, moveClass);
-            }
-          });
-        }
-      });
-    },
-
-    methods: {
-      hasMove: function hasMove (el, moveClass) {
-        /* istanbul ignore if */
-        if (!hasTransition) {
-          return false
-        }
-        /* istanbul ignore if */
-        if (this._hasMove) {
-          return this._hasMove
-        }
-        // Detect whether an element with the move class applied has
-        // CSS transitions. Since the element may be inside an entering
-        // transition at this very moment, we make a clone of it and remove
-        // all other transition classes applied to ensure only the move class
-        // is applied.
-        var clone = el.cloneNode();
-        if (el._transitionClasses) {
-          el._transitionClasses.forEach(function (cls) { removeClass(clone, cls); });
-        }
-        addClass(clone, moveClass);
-        clone.style.display = 'none';
-        this.$el.appendChild(clone);
-        var info = getTransitionInfo(clone);
-        this.$el.removeChild(clone);
-        return (this._hasMove = info.hasTransform)
-      }
-    }
+  var builtInComponents = {
+      KeepAlive: KeepAlive
   };
 
-  function callPendingCbs (c) {
-    /* istanbul ignore if */
-    if (c.elm._moveCb) {
-      c.elm._moveCb();
-    }
-    /* istanbul ignore if */
-    if (c.elm._enterCb) {
-      c.elm._enterCb();
-    }
-  }
-
-  function recordPosition (c) {
-    c.data.newPos = c.elm.getBoundingClientRect();
-  }
-
-  function applyTranslation (c) {
-    var oldPos = c.data.pos;
-    var newPos = c.data.newPos;
-    var dx = oldPos.left - newPos.left;
-    var dy = oldPos.top - newPos.top;
-    if (dx || dy) {
-      c.data.moved = true;
-      var s = c.elm.style;
-      s.transform = s.WebkitTransform = "translate(" + dx + "px," + dy + "px)";
-      s.transitionDuration = '0s';
-    }
-  }
-
-  var platformComponents = {
-    Transition: Transition,
-    TransitionGroup: TransitionGroup
+  function initGlobalAPI(Vue) {
+      // config
+      var configDef = {};
+      configDef.get = function () { return config; };
+      {
+          configDef.set = function () {
+              warn$2('Do not replace the Vue.config object, set individual fields instead.');
+          };
+      }
+      Object.defineProperty(Vue, 'config', configDef);
+      // exposed util methods.
+      // NOTE: these are not considered part of the public API - avoid relying on
+      // them unless you are aware of the risk.
+      Vue.util = {
+          warn: warn$2,
+          extend: extend,
+          mergeOptions: mergeOptions,
+          defineReactive: defineReactive
+      };
+      Vue.set = set;
+      Vue.delete = del;
+      Vue.nextTick = nextTick;
+      // 2.6 explicit observable API
+      Vue.observable = function (obj) {
+          observe(obj);
+          return obj;
+      };
+      Vue.options = Object.create(null);
+      ASSET_TYPES.forEach(function (type) {
+          Vue.options[type + 's'] = Object.create(null);
+      });
+      // this is used to identify the "base" constructor to extend all plain-object
+      // components with in Weex's multi-instance scenarios.
+      Vue.options._base = Vue;
+      extend(Vue.options.components, builtInComponents);
+      initUse(Vue);
+      initMixin(Vue);
+      initExtend(Vue);
+      initAssetRegisters(Vue);
+  }
+
+  initGlobalAPI(Vue);
+  Object.defineProperty(Vue.prototype, '$isServer', {
+      get: isServerRendering
+  });
+  Object.defineProperty(Vue.prototype, '$ssrContext', {
+      get: function () {
+          /* istanbul ignore next */
+          return this.$vnode && this.$vnode.ssrContext;
+      }
+  });
+  // expose FunctionalRenderContext for ssr runtime helper installation
+  Object.defineProperty(Vue, 'FunctionalRenderContext', {
+      value: FunctionalRenderContext
+  });
+  Vue.version = version;
+
+  // these are reserved for web because they are directly compiled away
+  // during template compilation
+  var isReservedAttr = makeMap('style,class');
+  // attributes that should be using props for binding
+  var acceptValue = makeMap('input,textarea,option,select,progress');
+  var mustUseProp = function (tag, type, attr) {
+      return ((attr === 'value' && acceptValue(tag) && type !== 'button') ||
+          (attr === 'selected' && tag === 'option') ||
+          (attr === 'checked' && tag === 'input') ||
+          (attr === 'muted' && tag === 'video'));
+  };
+  var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
+  var isValidContentEditableValue = makeMap('events,caret,typing,plaintext-only');
+  var convertEnumeratedValue = function (key, value) {
+      return isFalsyAttrValue(value) || value === 'false'
+          ? 'false'
+          : // allow arbitrary string value for contenteditable
+              key === 'contenteditable' && isValidContentEditableValue(value)
+                  ? value
+                  : 'true';
+  };
+  var isBooleanAttr = makeMap('allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
+      'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
+      'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
+      'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
+      'required,reversed,scoped,seamless,selected,sortable,' +
+      'truespeed,typemustmatch,visible');
+  var xlinkNS = 'http://www.w3.org/1999/xlink';
+  var isXlink = function (name) {
+      return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink';
+  };
+  var getXlinkProp = function (name) {
+      return isXlink(name) ? name.slice(6, name.length) : '';
+  };
+  var isFalsyAttrValue = function (val) {
+      return val == null || val === false;
   };
 
-  /*  */
-
-  // install platform specific utils
-  Vue.config.mustUseProp = mustUseProp;
-  Vue.config.isReservedTag = isReservedTag;
-  Vue.config.isReservedAttr = isReservedAttr;
-  Vue.config.getTagNamespace = getTagNamespace;
-  Vue.config.isUnknownElement = isUnknownElement;
-
-  // install platform runtime directives & components
-  extend(Vue.options.directives, platformDirectives);
-  extend(Vue.options.components, platformComponents);
-
-  // install platform patch function
-  Vue.prototype.__patch__ = inBrowser ? patch : noop;
-
-  // public mount method
-  Vue.prototype.$mount = function (
-    el,
-    hydrating
-  ) {
-    el = el && inBrowser ? query(el) : undefined;
-    return mountComponent(this, el, hydrating)
-  };
+  function genClassForVnode(vnode) {
+      var data = vnode.data;
+      var parentNode = vnode;
+      var childNode = vnode;
+      while (isDef(childNode.componentInstance)) {
+          childNode = childNode.componentInstance._vnode;
+          if (childNode && childNode.data) {
+              data = mergeClassData(childNode.data, data);
+          }
+      }
+      // @ts-expect-error parentNode.parent not VNodeWithData
+      while (isDef((parentNode = parentNode.parent))) {
+          if (parentNode && parentNode.data) {
+              data = mergeClassData(data, parentNode.data);
+          }
+      }
+      return renderClass(data.staticClass, data.class);
+  }
+  function mergeClassData(child, parent) {
+      return {
+          staticClass: concat(child.staticClass, parent.staticClass),
+          class: isDef(child.class) ? [child.class, parent.class] : parent.class
+      };
+  }
+  function renderClass(staticClass, dynamicClass) {
+      if (isDef(staticClass) || isDef(dynamicClass)) {
+          return concat(staticClass, stringifyClass(dynamicClass));
+      }
+      /* istanbul ignore next */
+      return '';
+  }
+  function concat(a, b) {
+      return a ? (b ? a + ' ' + b : a) : b || '';
+  }
+  function stringifyClass(value) {
+      if (Array.isArray(value)) {
+          return stringifyArray(value);
+      }
+      if (isObject(value)) {
+          return stringifyObject(value);
+      }
+      if (typeof value === 'string') {
+          return value;
+      }
+      /* istanbul ignore next */
+      return '';
+  }
+  function stringifyArray(value) {
+      var res = '';
+      var stringified;
+      for (var i = 0, l = value.length; i < l; i++) {
+          if (isDef((stringified = stringifyClass(value[i]))) && stringified !== '') {
+              if (res)
+                  res += ' ';
+              res += stringified;
+          }
+      }
+      return res;
+  }
+  function stringifyObject(value) {
+      var res = '';
+      for (var key in value) {
+          if (value[key]) {
+              if (res)
+                  res += ' ';
+              res += key;
+          }
+      }
+      return res;
+  }
+
+  var namespaceMap = {
+      svg: 'http://www.w3.org/2000/svg',
+      math: 'http://www.w3.org/1998/Math/MathML'
+  };
+  var isHTMLTag = makeMap('html,body,base,head,link,meta,style,title,' +
+      'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
+      'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' +
+      'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
+      's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +
+      'embed,object,param,source,canvas,script,noscript,del,ins,' +
+      'caption,col,colgroup,table,thead,tbody,td,th,tr,' +
+      'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
+      'output,progress,select,textarea,' +
+      'details,dialog,menu,menuitem,summary,' +
+      'content,element,shadow,template,blockquote,iframe,tfoot');
+  // this map is intentionally selective, only covering SVG elements that may
+  // contain child elements.
+  var isSVG = makeMap('svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +
+      'foreignobject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
+      'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view', true);
+  var isPreTag = function (tag) { return tag === 'pre'; };
+  var isReservedTag = function (tag) {
+      return isHTMLTag(tag) || isSVG(tag);
+  };
+  function getTagNamespace(tag) {
+      if (isSVG(tag)) {
+          return 'svg';
+      }
+      // basic support for MathML
+      // note it doesn't support other MathML elements being component roots
+      if (tag === 'math') {
+          return 'math';
+      }
+  }
+  var unknownElementCache = Object.create(null);
+  function isUnknownElement(tag) {
+      /* istanbul ignore if */
+      if (!inBrowser) {
+          return true;
+      }
+      if (isReservedTag(tag)) {
+          return false;
+      }
+      tag = tag.toLowerCase();
+      /* istanbul ignore if */
+      if (unknownElementCache[tag] != null) {
+          return unknownElementCache[tag];
+      }
+      var el = document.createElement(tag);
+      if (tag.indexOf('-') > -1) {
+          // http://stackoverflow.com/a/28210364/1070244
+          return (unknownElementCache[tag] =
+              el.constructor === window.HTMLUnknownElement ||
+                  el.constructor === window.HTMLElement);
+      }
+      else {
+          return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()));
+      }
+  }
+  var isTextInputType = makeMap('text,number,password,search,email,tel,url');
 
-  // devtools global hook
-  /* istanbul ignore next */
-  if (inBrowser) {
-    setTimeout(function () {
-      if (config.devtools) {
-        if (devtools) {
-          devtools.emit('init', Vue);
-        } else {
-          console[console.info ? 'info' : 'log'](
-            'Download the Vue Devtools extension for a better development experience:\n' +
-            'https://github.com/vuejs/vue-devtools'
-          );
-        }
-      }
-      if (config.productionTip !== false &&
-        typeof console !== 'undefined'
-      ) {
-        console[console.info ? 'info' : 'log'](
-          "You are running Vue in development mode.\n" +
-          "Make sure to turn on production mode when deploying for production.\n" +
-          "See more tips at https://vuejs.org/guide/deployment.html"
-        );
-      }
-    }, 0);
+  /**
+   * Query an element selector if it's not an element already.
+   */
+  function query(el) {
+      if (typeof el === 'string') {
+          var selected = document.querySelector(el);
+          if (!selected) {
+              warn$2('Cannot find element: ' + el);
+              return document.createElement('div');
+          }
+          return selected;
+      }
+      else {
+          return el;
+      }
+  }
+
+  function createElement(tagName, vnode) {
+      var elm = document.createElement(tagName);
+      if (tagName !== 'select') {
+          return elm;
+      }
+      // false or null will remove the attribute but undefined will not
+      if (vnode.data &&
+          vnode.data.attrs &&
+          vnode.data.attrs.multiple !== undefined) {
+          elm.setAttribute('multiple', 'multiple');
+      }
+      return elm;
+  }
+  function createElementNS(namespace, tagName) {
+      return document.createElementNS(namespaceMap[namespace], tagName);
+  }
+  function createTextNode(text) {
+      return document.createTextNode(text);
+  }
+  function createComment(text) {
+      return document.createComment(text);
+  }
+  function insertBefore(parentNode, newNode, referenceNode) {
+      parentNode.insertBefore(newNode, referenceNode);
+  }
+  function removeChild(node, child) {
+      node.removeChild(child);
+  }
+  function appendChild(node, child) {
+      node.appendChild(child);
+  }
+  function parentNode(node) {
+      return node.parentNode;
+  }
+  function nextSibling(node) {
+      return node.nextSibling;
+  }
+  function tagName(node) {
+      return node.tagName;
+  }
+  function setTextContent(node, text) {
+      node.textContent = text;
+  }
+  function setStyleScope(node, scopeId) {
+      node.setAttribute(scopeId, '');
   }
 
-  /*  */
-
-  var defaultTagRE = /\{\{((?:.|\r?\n)+?)\}\}/g;
-  var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g;
-
-  var buildRegex = cached(function (delimiters) {
-    var open = delimiters[0].replace(regexEscapeRE, '\\$&');
-    var close = delimiters[1].replace(regexEscapeRE, '\\$&');
-    return new RegExp(open + '((?:.|\\n)+?)' + close, 'g')
+  var nodeOps = /*#__PURE__*/Object.freeze({
+    __proto__: null,
+    createElement: createElement,
+    createElementNS: createElementNS,
+    createTextNode: createTextNode,
+    createComment: createComment,
+    insertBefore: insertBefore,
+    removeChild: removeChild,
+    appendChild: appendChild,
+    parentNode: parentNode,
+    nextSibling: nextSibling,
+    tagName: tagName,
+    setTextContent: setTextContent,
+    setStyleScope: setStyleScope
   });
 
-
-
-  function parseText (
-    text,
-    delimiters
-  ) {
-    var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE;
-    if (!tagRE.test(text)) {
-      return
-    }
-    var tokens = [];
-    var rawTokens = [];
-    var lastIndex = tagRE.lastIndex = 0;
-    var match, index, tokenValue;
-    while ((match = tagRE.exec(text))) {
-      index = match.index;
-      // push text token
-      if (index > lastIndex) {
-        rawTokens.push(tokenValue = text.slice(lastIndex, index));
-        tokens.push(JSON.stringify(tokenValue));
-      }
-      // tag token
-      var exp = parseFilters(match[1].trim());
-      tokens.push(("_s(" + exp + ")"));
-      rawTokens.push({ '@binding': exp });
-      lastIndex = index + match[0].length;
-    }
-    if (lastIndex < text.length) {
-      rawTokens.push(tokenValue = text.slice(lastIndex));
-      tokens.push(JSON.stringify(tokenValue));
-    }
-    return {
-      expression: tokens.join('+'),
-      tokens: rawTokens
-    }
-  }
-
-  /*  */
-
-  function transformNode (el, options) {
-    var warn = options.warn || baseWarn;
-    var staticClass = getAndRemoveAttr(el, 'class');
-    if (staticClass) {
-      var res = parseText(staticClass, options.delimiters);
-      if (res) {
-        warn(
-          "class=\"" + staticClass + "\": " +
-          'Interpolation inside attributes has been removed. ' +
-          'Use v-bind or the colon shorthand instead. For example, ' +
-          'instead of <div class="{{ val }}">, use <div :class="val">.',
-          el.rawAttrsMap['class']
-        );
-      }
-    }
-    if (staticClass) {
-      el.staticClass = JSON.stringify(staticClass);
-    }
-    var classBinding = getBindingAttr(el, 'class', false /* getStatic */);
-    if (classBinding) {
-      el.classBinding = classBinding;
-    }
-  }
-
-  function genData (el) {
-    var data = '';
-    if (el.staticClass) {
-      data += "staticClass:" + (el.staticClass) + ",";
-    }
-    if (el.classBinding) {
-      data += "class:" + (el.classBinding) + ",";
-    }
-    return data
-  }
-
-  var klass$1 = {
-    staticKeys: ['staticClass'],
-    transformNode: transformNode,
-    genData: genData
+  var ref = {
+      create: function (_, vnode) {
+          registerRef(vnode);
+      },
+      update: function (oldVnode, vnode) {
+          if (oldVnode.data.ref !== vnode.data.ref) {
+              registerRef(oldVnode, true);
+              registerRef(vnode);
+          }
+      },
+      destroy: function (vnode) {
+          registerRef(vnode, true);
+      }
+  };
+  function registerRef(vnode, isRemoval) {
+      var ref = vnode.data.ref;
+      if (!isDef(ref))
+          return;
+      var vm = vnode.context;
+      var refValue = vnode.componentInstance || vnode.elm;
+      var value = isRemoval ? null : refValue;
+      var $refsValue = isRemoval ? undefined : refValue;
+      if (isFunction(ref)) {
+          invokeWithErrorHandling(ref, vm, [value], vm, "template ref function");
+          return;
+      }
+      var isFor = vnode.data.refInFor;
+      var _isString = typeof ref === 'string' || typeof ref === 'number';
+      var _isRef = isRef(ref);
+      var refs = vm.$refs;
+      if (_isString || _isRef) {
+          if (isFor) {
+              var existing = _isString ? refs[ref] : ref.value;
+              if (isRemoval) {
+                  isArray(existing) && remove$2(existing, refValue);
+              }
+              else {
+                  if (!isArray(existing)) {
+                      if (_isString) {
+                          refs[ref] = [refValue];
+                          setSetupRef(vm, ref, refs[ref]);
+                      }
+                      else {
+                          ref.value = [refValue];
+                      }
+                  }
+                  else if (!existing.includes(refValue)) {
+                      existing.push(refValue);
+                  }
+              }
+          }
+          else if (_isString) {
+              if (isRemoval && refs[ref] !== refValue) {
+                  return;
+              }
+              refs[ref] = $refsValue;
+              setSetupRef(vm, ref, value);
+          }
+          else if (_isRef) {
+              if (isRemoval && ref.value !== refValue) {
+                  return;
+              }
+              ref.value = value;
+          }
+          else {
+              warn$2("Invalid template ref type: ".concat(typeof ref));
+          }
+      }
+  }
+  function setSetupRef(_a, key, val) {
+      var _setupState = _a._setupState;
+      if (_setupState && hasOwn(_setupState, key)) {
+          if (isRef(_setupState[key])) {
+              _setupState[key].value = val;
+          }
+          else {
+              _setupState[key] = val;
+          }
+      }
+  }
+
+  /**
+   * Virtual DOM patching algorithm based on Snabbdom by
+   * Simon Friis Vindum (@paldepind)
+   * Licensed under the MIT License
+   * https://github.com/paldepind/snabbdom/blob/master/LICENSE
+   *
+   * modified by Evan You (@yyx990803)
+   *
+   * Not type-checking this because this file is perf-critical and the cost
+   * of making flow understand it is not worth it.
+   */
+  var emptyNode = new VNode('', {}, []);
+  var hooks = ['create', 'activate', 'update', 'remove', 'destroy'];
+  function sameVnode(a, b) {
+      return (a.key === b.key &&
+          a.asyncFactory === b.asyncFactory &&
+          ((a.tag === b.tag &&
+              a.isComment === b.isComment &&
+              isDef(a.data) === isDef(b.data) &&
+              sameInputType(a, b)) ||
+              (isTrue(a.isAsyncPlaceholder) && isUndef(b.asyncFactory.error))));
+  }
+  function sameInputType(a, b) {
+      if (a.tag !== 'input')
+          return true;
+      var i;
+      var typeA = isDef((i = a.data)) && isDef((i = i.attrs)) && i.type;
+      var typeB = isDef((i = b.data)) && isDef((i = i.attrs)) && i.type;
+      return typeA === typeB || (isTextInputType(typeA) && isTextInputType(typeB));
+  }
+  function createKeyToOldIdx(children, beginIdx, endIdx) {
+      var i, key;
+      var map = {};
+      for (i = beginIdx; i <= endIdx; ++i) {
+          key = children[i].key;
+          if (isDef(key))
+              map[key] = i;
+      }
+      return map;
+  }
+  function createPatchFunction(backend) {
+      var i, j;
+      var cbs = {};
+      var modules = backend.modules, nodeOps = backend.nodeOps;
+      for (i = 0; i < hooks.length; ++i) {
+          cbs[hooks[i]] = [];
+          for (j = 0; j < modules.length; ++j) {
+              if (isDef(modules[j][hooks[i]])) {
+                  cbs[hooks[i]].push(modules[j][hooks[i]]);
+              }
+          }
+      }
+      function emptyNodeAt(elm) {
+          return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm);
+      }
+      function createRmCb(childElm, listeners) {
+          function remove() {
+              if (--remove.listeners === 0) {
+                  removeNode(childElm);
+              }
+          }
+          remove.listeners = listeners;
+          return remove;
+      }
+      function removeNode(el) {
+          var parent = nodeOps.parentNode(el);
+          // element may have already been removed due to v-html / v-text
+          if (isDef(parent)) {
+              nodeOps.removeChild(parent, el);
+          }
+      }
+      function isUnknownElement(vnode, inVPre) {
+          return (!inVPre &&
+              !vnode.ns &&
+              !(config.ignoredElements.length &&
+                  config.ignoredElements.some(function (ignore) {
+                      return isRegExp(ignore)
+                          ? ignore.test(vnode.tag)
+                          : ignore === vnode.tag;
+                  })) &&
+              config.isUnknownElement(vnode.tag));
+      }
+      var creatingElmInVPre = 0;
+      function createElm(vnode, insertedVnodeQueue, parentElm, refElm, nested, ownerArray, index) {
+          if (isDef(vnode.elm) && isDef(ownerArray)) {
+              // This vnode was used in a previous render!
+              // now it's used as a new node, overwriting its elm would cause
+              // potential patch errors down the road when it's used as an insertion
+              // reference node. Instead, we clone the node on-demand before creating
+              // associated DOM element for it.
+              vnode = ownerArray[index] = cloneVNode(vnode);
+          }
+          vnode.isRootInsert = !nested; // for transition enter check
+          if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {
+              return;
+          }
+          var data = vnode.data;
+          var children = vnode.children;
+          var tag = vnode.tag;
+          if (isDef(tag)) {
+              {
+                  if (data && data.pre) {
+                      creatingElmInVPre++;
+                  }
+                  if (isUnknownElement(vnode, creatingElmInVPre)) {
+                      warn$2('Unknown custom element: <' +
+                          tag +
+                          '> - did you ' +
+                          'register the component correctly? For recursive components, ' +
+                          'make sure to provide the "name" option.', vnode.context);
+                  }
+              }
+              vnode.elm = vnode.ns
+                  ? nodeOps.createElementNS(vnode.ns, tag)
+                  : nodeOps.createElement(tag, vnode);
+              setScope(vnode);
+              createChildren(vnode, children, insertedVnodeQueue);
+              if (isDef(data)) {
+                  invokeCreateHooks(vnode, insertedVnodeQueue);
+              }
+              insert(parentElm, vnode.elm, refElm);
+              if (data && data.pre) {
+                  creatingElmInVPre--;
+              }
+          }
+          else if (isTrue(vnode.isComment)) {
+              vnode.elm = nodeOps.createComment(vnode.text);
+              insert(parentElm, vnode.elm, refElm);
+          }
+          else {
+              vnode.elm = nodeOps.createTextNode(vnode.text);
+              insert(parentElm, vnode.elm, refElm);
+          }
+      }
+      function createComponent(vnode, insertedVnodeQueue, parentElm, refElm) {
+          var i = vnode.data;
+          if (isDef(i)) {
+              var isReactivated = isDef(vnode.componentInstance) && i.keepAlive;
+              if (isDef((i = i.hook)) && isDef((i = i.init))) {
+                  i(vnode, false /* hydrating */);
+              }
+              // after calling the init hook, if the vnode is a child component
+              // it should've created a child instance and mounted it. the child
+              // component also has set the placeholder vnode's elm.
+              // in that case we can just return the element and be done.
+              if (isDef(vnode.componentInstance)) {
+                  initComponent(vnode, insertedVnodeQueue);
+                  insert(parentElm, vnode.elm, refElm);
+                  if (isTrue(isReactivated)) {
+                      reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);
+                  }
+                  return true;
+              }
+          }
+      }
+      function initComponent(vnode, insertedVnodeQueue) {
+          if (isDef(vnode.data.pendingInsert)) {
+              insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);
+              vnode.data.pendingInsert = null;
+          }
+          vnode.elm = vnode.componentInstance.$el;
+          if (isPatchable(vnode)) {
+              invokeCreateHooks(vnode, insertedVnodeQueue);
+              setScope(vnode);
+          }
+          else {
+              // empty component root.
+              // skip all element-related modules except for ref (#3455)
+              registerRef(vnode);
+              // make sure to invoke the insert hook
+              insertedVnodeQueue.push(vnode);
+          }
+      }
+      function reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm) {
+          var i;
+          // hack for #4339: a reactivated component with inner transition
+          // does not trigger because the inner node's created hooks are not called
+          // again. It's not ideal to involve module-specific logic in here but
+          // there doesn't seem to be a better way to do it.
+          var innerNode = vnode;
+          while (innerNode.componentInstance) {
+              innerNode = innerNode.componentInstance._vnode;
+              if (isDef((i = innerNode.data)) && isDef((i = i.transition))) {
+                  for (i = 0; i < cbs.activate.length; ++i) {
+                      cbs.activate[i](emptyNode, innerNode);
+                  }
+                  insertedVnodeQueue.push(innerNode);
+                  break;
+              }
+          }
+          // unlike a newly created component,
+          // a reactivated keep-alive component doesn't insert itself
+          insert(parentElm, vnode.elm, refElm);
+      }
+      function insert(parent, elm, ref) {
+          if (isDef(parent)) {
+              if (isDef(ref)) {
+                  if (nodeOps.parentNode(ref) === parent) {
+                      nodeOps.insertBefore(parent, elm, ref);
+                  }
+              }
+              else {
+                  nodeOps.appendChild(parent, elm);
+              }
+          }
+      }
+      function createChildren(vnode, children, insertedVnodeQueue) {
+          if (isArray(children)) {
+              {
+                  checkDuplicateKeys(children);
+              }
+              for (var i_1 = 0; i_1 < children.length; ++i_1) {
+                  createElm(children[i_1], insertedVnodeQueue, vnode.elm, null, true, children, i_1);
+              }
+          }
+          else if (isPrimitive(vnode.text)) {
+              nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(String(vnode.text)));
+          }
+      }
+      function isPatchable(vnode) {
+          while (vnode.componentInstance) {
+              vnode = vnode.componentInstance._vnode;
+          }
+          return isDef(vnode.tag);
+      }
+      function invokeCreateHooks(vnode, insertedVnodeQueue) {
+          for (var i_2 = 0; i_2 < cbs.create.length; ++i_2) {
+              cbs.create[i_2](emptyNode, vnode);
+          }
+          i = vnode.data.hook; // Reuse variable
+          if (isDef(i)) {
+              if (isDef(i.create))
+                  i.create(emptyNode, vnode);
+              if (isDef(i.insert))
+                  insertedVnodeQueue.push(vnode);
+          }
+      }
+      // set scope id attribute for scoped CSS.
+      // this is implemented as a special case to avoid the overhead
+      // of going through the normal attribute patching process.
+      function setScope(vnode) {
+          var i;
+          if (isDef((i = vnode.fnScopeId))) {
+              nodeOps.setStyleScope(vnode.elm, i);
+          }
+          else {
+              var ancestor = vnode;
+              while (ancestor) {
+                  if (isDef((i = ancestor.context)) && isDef((i = i.$options._scopeId))) {
+                      nodeOps.setStyleScope(vnode.elm, i);
+                  }
+                  ancestor = ancestor.parent;
+              }
+          }
+          // for slot content they should also get the scopeId from the host instance.
+          if (isDef((i = activeInstance)) &&
+              i !== vnode.context &&
+              i !== vnode.fnContext &&
+              isDef((i = i.$options._scopeId))) {
+              nodeOps.setStyleScope(vnode.elm, i);
+          }
+      }
+      function addVnodes(parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {
+          for (; startIdx <= endIdx; ++startIdx) {
+              createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm, false, vnodes, startIdx);
+          }
+      }
+      function invokeDestroyHook(vnode) {
+          var i, j;
+          var data = vnode.data;
+          if (isDef(data)) {
+              if (isDef((i = data.hook)) && isDef((i = i.destroy)))
+                  i(vnode);
+              for (i = 0; i < cbs.destroy.length; ++i)
+                  cbs.destroy[i](vnode);
+          }
+          if (isDef((i = vnode.children))) {
+              for (j = 0; j < vnode.children.length; ++j) {
+                  invokeDestroyHook(vnode.children[j]);
+              }
+          }
+      }
+      function removeVnodes(vnodes, startIdx, endIdx) {
+          for (; startIdx <= endIdx; ++startIdx) {
+              var ch = vnodes[startIdx];
+              if (isDef(ch)) {
+                  if (isDef(ch.tag)) {
+                      removeAndInvokeRemoveHook(ch);
+                      invokeDestroyHook(ch);
+                  }
+                  else {
+                      // Text node
+                      removeNode(ch.elm);
+                  }
+              }
+          }
+      }
+      function removeAndInvokeRemoveHook(vnode, rm) {
+          if (isDef(rm) || isDef(vnode.data)) {
+              var i_3;
+              var listeners = cbs.remove.length + 1;
+              if (isDef(rm)) {
+                  // we have a recursively passed down rm callback
+                  // increase the listeners count
+                  rm.listeners += listeners;
+              }
+              else {
+                  // directly removing
+                  rm = createRmCb(vnode.elm, listeners);
+              }
+              // recursively invoke hooks on child component root node
+              if (isDef((i_3 = vnode.componentInstance)) &&
+                  isDef((i_3 = i_3._vnode)) &&
+                  isDef(i_3.data)) {
+                  removeAndInvokeRemoveHook(i_3, rm);
+              }
+              for (i_3 = 0; i_3 < cbs.remove.length; ++i_3) {
+                  cbs.remove[i_3](vnode, rm);
+              }
+              if (isDef((i_3 = vnode.data.hook)) && isDef((i_3 = i_3.remove))) {
+                  i_3(vnode, rm);
+              }
+              else {
+                  rm();
+              }
+          }
+          else {
+              removeNode(vnode.elm);
+          }
+      }
+      function updateChildren(parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {
+          var oldStartIdx = 0;
+          var newStartIdx = 0;
+          var oldEndIdx = oldCh.length - 1;
+          var oldStartVnode = oldCh[0];
+          var oldEndVnode = oldCh[oldEndIdx];
+          var newEndIdx = newCh.length - 1;
+          var newStartVnode = newCh[0];
+          var newEndVnode = newCh[newEndIdx];
+          var oldKeyToIdx, idxInOld, vnodeToMove, refElm;
+          // removeOnly is a special flag used only by <transition-group>
+          // to ensure removed elements stay in correct relative positions
+          // during leaving transitions
+          var canMove = !removeOnly;
+          {
+              checkDuplicateKeys(newCh);
+          }
+          while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
+              if (isUndef(oldStartVnode)) {
+                  oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left
+              }
+              else if (isUndef(oldEndVnode)) {
+                  oldEndVnode = oldCh[--oldEndIdx];
+              }
+              else if (sameVnode(oldStartVnode, newStartVnode)) {
+                  patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
+                  oldStartVnode = oldCh[++oldStartIdx];
+                  newStartVnode = newCh[++newStartIdx];
+              }
+              else if (sameVnode(oldEndVnode, newEndVnode)) {
+                  patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
+                  oldEndVnode = oldCh[--oldEndIdx];
+                  newEndVnode = newCh[--newEndIdx];
+              }
+              else if (sameVnode(oldStartVnode, newEndVnode)) {
+                  // Vnode moved right
+                  patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
+                  canMove &&
+                      nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));
+                  oldStartVnode = oldCh[++oldStartIdx];
+                  newEndVnode = newCh[--newEndIdx];
+              }
+              else if (sameVnode(oldEndVnode, newStartVnode)) {
+                  // Vnode moved left
+                  patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
+                  canMove &&
+                      nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
+                  oldEndVnode = oldCh[--oldEndIdx];
+                  newStartVnode = newCh[++newStartIdx];
+              }
+              else {
+                  if (isUndef(oldKeyToIdx))
+                      oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx);
+                  idxInOld = isDef(newStartVnode.key)
+                      ? oldKeyToIdx[newStartVnode.key]
+                      : findIdxInOld(newStartVnode, oldCh, oldStartIdx, oldEndIdx);
+                  if (isUndef(idxInOld)) {
+                      // New element
+                      createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
+                  }
+                  else {
+                      vnodeToMove = oldCh[idxInOld];
+                      if (sameVnode(vnodeToMove, newStartVnode)) {
+                          patchVnode(vnodeToMove, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
+                          oldCh[idxInOld] = undefined;
+                          canMove &&
+                              nodeOps.insertBefore(parentElm, vnodeToMove.elm, oldStartVnode.elm);
+                      }
+                      else {
+                          // same key but different element. treat as new element
+                          createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
+                      }
+                  }
+                  newStartVnode = newCh[++newStartIdx];
+              }
+          }
+          if (oldStartIdx > oldEndIdx) {
+              refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;
+              addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
+          }
+          else if (newStartIdx > newEndIdx) {
+              removeVnodes(oldCh, oldStartIdx, oldEndIdx);
+          }
+      }
+      function checkDuplicateKeys(children) {
+          var seenKeys = {};
+          for (var i_4 = 0; i_4 < children.length; i_4++) {
+              var vnode = children[i_4];
+              var key = vnode.key;
+              if (isDef(key)) {
+                  if (seenKeys[key]) {
+                      warn$2("Duplicate keys detected: '".concat(key, "'. This may cause an update error."), vnode.context);
+                  }
+                  else {
+                      seenKeys[key] = true;
+                  }
+              }
+          }
+      }
+      function findIdxInOld(node, oldCh, start, end) {
+          for (var i_5 = start; i_5 < end; i_5++) {
+              var c = oldCh[i_5];
+              if (isDef(c) && sameVnode(node, c))
+                  return i_5;
+          }
+      }
+      function patchVnode(oldVnode, vnode, insertedVnodeQueue, ownerArray, index, removeOnly) {
+          if (oldVnode === vnode) {
+              return;
+          }
+          if (isDef(vnode.elm) && isDef(ownerArray)) {
+              // clone reused vnode
+              vnode = ownerArray[index] = cloneVNode(vnode);
+          }
+          var elm = (vnode.elm = oldVnode.elm);
+          if (isTrue(oldVnode.isAsyncPlaceholder)) {
+              if (isDef(vnode.asyncFactory.resolved)) {
+                  hydrate(oldVnode.elm, vnode, insertedVnodeQueue);
+              }
+              else {
+                  vnode.isAsyncPlaceholder = true;
+              }
+              return;
+          }
+          // reuse element for static trees.
+          // note we only do this if the vnode is cloned -
+          // if the new node is not cloned it means the render functions have been
+          // reset by the hot-reload-api and we need to do a proper re-render.
+          if (isTrue(vnode.isStatic) &&
+              isTrue(oldVnode.isStatic) &&
+              vnode.key === oldVnode.key &&
+              (isTrue(vnode.isCloned) || isTrue(vnode.isOnce))) {
+              vnode.componentInstance = oldVnode.componentInstance;
+              return;
+          }
+          var i;
+          var data = vnode.data;
+          if (isDef(data) && isDef((i = data.hook)) && isDef((i = i.prepatch))) {
+              i(oldVnode, vnode);
+          }
+          var oldCh = oldVnode.children;
+          var ch = vnode.children;
+          if (isDef(data) && isPatchable(vnode)) {
+              for (i = 0; i < cbs.update.length; ++i)
+                  cbs.update[i](oldVnode, vnode);
+              if (isDef((i = data.hook)) && isDef((i = i.update)))
+                  i(oldVnode, vnode);
+          }
+          if (isUndef(vnode.text)) {
+              if (isDef(oldCh) && isDef(ch)) {
+                  if (oldCh !== ch)
+                      updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly);
+              }
+              else if (isDef(ch)) {
+                  {
+                      checkDuplicateKeys(ch);
+                  }
+                  if (isDef(oldVnode.text))
+                      nodeOps.setTextContent(elm, '');
+                  addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
+              }
+              else if (isDef(oldCh)) {
+                  removeVnodes(oldCh, 0, oldCh.length - 1);
+              }
+              else if (isDef(oldVnode.text)) {
+                  nodeOps.setTextContent(elm, '');
+              }
+          }
+          else if (oldVnode.text !== vnode.text) {
+              nodeOps.setTextContent(elm, vnode.text);
+          }
+          if (isDef(data)) {
+              if (isDef((i = data.hook)) && isDef((i = i.postpatch)))
+                  i(oldVnode, vnode);
+          }
+      }
+      function invokeInsertHook(vnode, queue, initial) {
+          // delay insert hooks for component root nodes, invoke them after the
+          // element is really inserted
+          if (isTrue(initial) && isDef(vnode.parent)) {
+              vnode.parent.data.pendingInsert = queue;
+          }
+          else {
+              for (var i_6 = 0; i_6 < queue.length; ++i_6) {
+                  queue[i_6].data.hook.insert(queue[i_6]);
+              }
+          }
+      }
+      var hydrationBailed = false;
+      // list of modules that can skip create hook during hydration because they
+      // are already rendered on the client or has no need for initialization
+      // Note: style is excluded because it relies on initial clone for future
+      // deep updates (#7063).
+      var isRenderedModule = makeMap('attrs,class,staticClass,staticStyle,key');
+      // Note: this is a browser-only function so we can assume elms are DOM nodes.
+      function hydrate(elm, vnode, insertedVnodeQueue, inVPre) {
+          var i;
+          var tag = vnode.tag, data = vnode.data, children = vnode.children;
+          inVPre = inVPre || (data && data.pre);
+          vnode.elm = elm;
+          if (isTrue(vnode.isComment) && isDef(vnode.asyncFactory)) {
+              vnode.isAsyncPlaceholder = true;
+              return true;
+          }
+          // assert node match
+          {
+              if (!assertNodeMatch(elm, vnode, inVPre)) {
+                  return false;
+              }
+          }
+          if (isDef(data)) {
+              if (isDef((i = data.hook)) && isDef((i = i.init)))
+                  i(vnode, true /* hydrating */);
+              if (isDef((i = vnode.componentInstance))) {
+                  // child component. it should have hydrated its own tree.
+                  initComponent(vnode, insertedVnodeQueue);
+                  return true;
+              }
+          }
+          if (isDef(tag)) {
+              if (isDef(children)) {
+                  // empty element, allow client to pick up and populate children
+                  if (!elm.hasChildNodes()) {
+                      createChildren(vnode, children, insertedVnodeQueue);
+                  }
+                  else {
+                      // v-html and domProps: innerHTML
+                      if (isDef((i = data)) &&
+                          isDef((i = i.domProps)) &&
+                          isDef((i = i.innerHTML))) {
+                          if (i !== elm.innerHTML) {
+                              /* istanbul ignore if */
+                              if (typeof console !== 'undefined' &&
+                                  !hydrationBailed) {
+                                  hydrationBailed = true;
+                                  console.warn('Parent: ', elm);
+                                  console.warn('server innerHTML: ', i);
+                                  console.warn('client innerHTML: ', elm.innerHTML);
+                              }
+                              return false;
+                          }
+                      }
+                      else {
+                          // iterate and compare children lists
+                          var childrenMatch = true;
+                          var childNode = elm.firstChild;
+                          for (var i_7 = 0; i_7 < children.length; i_7++) {
+                              if (!childNode ||
+                                  !hydrate(childNode, children[i_7], insertedVnodeQueue, inVPre)) {
+                                  childrenMatch = false;
+                                  break;
+                              }
+                              childNode = childNode.nextSibling;
+                          }
+                          // if childNode is not null, it means the actual childNodes list is
+                          // longer than the virtual children list.
+                          if (!childrenMatch || childNode) {
+                              /* istanbul ignore if */
+                              if (typeof console !== 'undefined' &&
+                                  !hydrationBailed) {
+                                  hydrationBailed = true;
+                                  console.warn('Parent: ', elm);
+                                  console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);
+                              }
+                              return false;
+                          }
+                      }
+                  }
+              }
+              if (isDef(data)) {
+                  var fullInvoke = false;
+                  for (var key in data) {
+                      if (!isRenderedModule(key)) {
+                          fullInvoke = true;
+                          invokeCreateHooks(vnode, insertedVnodeQueue);
+                          break;
+                      }
+                  }
+                  if (!fullInvoke && data['class']) {
+                      // ensure collecting deps for deep class bindings for future updates
+                      traverse(data['class']);
+                  }
+              }
+          }
+          else if (elm.data !== vnode.text) {
+              elm.data = vnode.text;
+          }
+          return true;
+      }
+      function assertNodeMatch(node, vnode, inVPre) {
+          if (isDef(vnode.tag)) {
+              return (vnode.tag.indexOf('vue-component') === 0 ||
+                  (!isUnknownElement(vnode, inVPre) &&
+                      vnode.tag.toLowerCase() ===
+                          (node.tagName && node.tagName.toLowerCase())));
+          }
+          else {
+              return node.nodeType === (vnode.isComment ? 8 : 3);
+          }
+      }
+      return function patch(oldVnode, vnode, hydrating, removeOnly) {
+          if (isUndef(vnode)) {
+              if (isDef(oldVnode))
+                  invokeDestroyHook(oldVnode);
+              return;
+          }
+          var isInitialPatch = false;
+          var insertedVnodeQueue = [];
+          if (isUndef(oldVnode)) {
+              // empty mount (likely as component), create new root element
+              isInitialPatch = true;
+              createElm(vnode, insertedVnodeQueue);
+          }
+          else {
+              var isRealElement = isDef(oldVnode.nodeType);
+              if (!isRealElement && sameVnode(oldVnode, vnode)) {
+                  // patch existing root node
+                  patchVnode(oldVnode, vnode, insertedVnodeQueue, null, null, removeOnly);
+              }
+              else {
+                  if (isRealElement) {
+                      // mounting to a real element
+                      // check if this is server-rendered content and if we can perform
+                      // a successful hydration.
+                      if (oldVnode.nodeType === 1 && oldVnode.hasAttribute(SSR_ATTR)) {
+                          oldVnode.removeAttribute(SSR_ATTR);
+                          hydrating = true;
+                      }
+                      if (isTrue(hydrating)) {
+                          if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {
+                              invokeInsertHook(vnode, insertedVnodeQueue, true);
+                              return oldVnode;
+                          }
+                          else {
+                              warn$2('The client-side rendered virtual DOM tree is not matching ' +
+                                  'server-rendered content. This is likely caused by incorrect ' +
+                                  'HTML markup, for example nesting block-level elements inside ' +
+                                  '<p>, or missing <tbody>. Bailing hydration and performing ' +
+                                  'full client-side render.');
+                          }
+                      }
+                      // either not server-rendered, or hydration failed.
+                      // create an empty node and replace it
+                      oldVnode = emptyNodeAt(oldVnode);
+                  }
+                  // replacing existing element
+                  var oldElm = oldVnode.elm;
+                  var parentElm = nodeOps.parentNode(oldElm);
+                  // create new node
+                  createElm(vnode, insertedVnodeQueue, 
+                  // extremely rare edge case: do not insert if old element is in a
+                  // leaving transition. Only happens when combining transition +
+                  // keep-alive + HOCs. (#4590)
+                  oldElm._leaveCb ? null : parentElm, nodeOps.nextSibling(oldElm));
+                  // update parent placeholder node element, recursively
+                  if (isDef(vnode.parent)) {
+                      var ancestor = vnode.parent;
+                      var patchable = isPatchable(vnode);
+                      while (ancestor) {
+                          for (var i_8 = 0; i_8 < cbs.destroy.length; ++i_8) {
+                              cbs.destroy[i_8](ancestor);
+                          }
+                          ancestor.elm = vnode.elm;
+                          if (patchable) {
+                              for (var i_9 = 0; i_9 < cbs.create.length; ++i_9) {
+                                  cbs.create[i_9](emptyNode, ancestor);
+                              }
+                              // #6513
+                              // invoke insert hooks that may have been merged by create hooks.
+                              // e.g. for directives that uses the "inserted" hook.
+                              var insert_1 = ancestor.data.hook.insert;
+                              if (insert_1.merged) {
+                                  // start at index 1 to avoid re-invoking component mounted hook
+                                  for (var i_10 = 1; i_10 < insert_1.fns.length; i_10++) {
+                                      insert_1.fns[i_10]();
+                                  }
+                              }
+                          }
+                          else {
+                              registerRef(ancestor);
+                          }
+                          ancestor = ancestor.parent;
+                      }
+                  }
+                  // destroy old node
+                  if (isDef(parentElm)) {
+                      removeVnodes([oldVnode], 0, 0);
+                  }
+                  else if (isDef(oldVnode.tag)) {
+                      invokeDestroyHook(oldVnode);
+                  }
+              }
+          }
+          invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);
+          return vnode.elm;
+      };
+  }
+
+  var directives$1 = {
+      create: updateDirectives,
+      update: updateDirectives,
+      destroy: function unbindDirectives(vnode) {
+          // @ts-expect-error emptyNode is not VNodeWithData
+          updateDirectives(vnode, emptyNode);
+      }
+  };
+  function updateDirectives(oldVnode, vnode) {
+      if (oldVnode.data.directives || vnode.data.directives) {
+          _update(oldVnode, vnode);
+      }
+  }
+  function _update(oldVnode, vnode) {
+      var isCreate = oldVnode === emptyNode;
+      var isDestroy = vnode === emptyNode;
+      var oldDirs = normalizeDirectives(oldVnode.data.directives, oldVnode.context);
+      var newDirs = normalizeDirectives(vnode.data.directives, vnode.context);
+      var dirsWithInsert = [];
+      var dirsWithPostpatch = [];
+      var key, oldDir, dir;
+      for (key in newDirs) {
+          oldDir = oldDirs[key];
+          dir = newDirs[key];
+          if (!oldDir) {
+              // new directive, bind
+              callHook(dir, 'bind', vnode, oldVnode);
+              if (dir.def && dir.def.inserted) {
+                  dirsWithInsert.push(dir);
+              }
+          }
+          else {
+              // existing directive, update
+              dir.oldValue = oldDir.value;
+              dir.oldArg = oldDir.arg;
+              callHook(dir, 'update', vnode, oldVnode);
+              if (dir.def && dir.def.componentUpdated) {
+                  dirsWithPostpatch.push(dir);
+              }
+          }
+      }
+      if (dirsWithInsert.length) {
+          var callInsert = function () {
+              for (var i = 0; i < dirsWithInsert.length; i++) {
+                  callHook(dirsWithInsert[i], 'inserted', vnode, oldVnode);
+              }
+          };
+          if (isCreate) {
+              mergeVNodeHook(vnode, 'insert', callInsert);
+          }
+          else {
+              callInsert();
+          }
+      }
+      if (dirsWithPostpatch.length) {
+          mergeVNodeHook(vnode, 'postpatch', function () {
+              for (var i = 0; i < dirsWithPostpatch.length; i++) {
+                  callHook(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);
+              }
+          });
+      }
+      if (!isCreate) {
+          for (key in oldDirs) {
+              if (!newDirs[key]) {
+                  // no longer present, unbind
+                  callHook(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);
+              }
+          }
+      }
+  }
+  var emptyModifiers = Object.create(null);
+  function normalizeDirectives(dirs, vm) {
+      var res = Object.create(null);
+      if (!dirs) {
+          // $flow-disable-line
+          return res;
+      }
+      var i, dir;
+      for (i = 0; i < dirs.length; i++) {
+          dir = dirs[i];
+          if (!dir.modifiers) {
+              // $flow-disable-line
+              dir.modifiers = emptyModifiers;
+          }
+          res[getRawDirName(dir)] = dir;
+          if (vm._setupState && vm._setupState.__sfc) {
+              dir.def = resolveAsset(vm, '_setupState', 'v-' + dir.name);
+          }
+          dir.def = dir.def || resolveAsset(vm.$options, 'directives', dir.name, true);
+      }
+      // $flow-disable-line
+      return res;
+  }
+  function getRawDirName(dir) {
+      return (dir.rawName || "".concat(dir.name, ".").concat(Object.keys(dir.modifiers || {}).join('.')));
+  }
+  function callHook(dir, hook, vnode, oldVnode, isDestroy) {
+      var fn = dir.def && dir.def[hook];
+      if (fn) {
+          try {
+              fn(vnode.elm, dir, vnode, oldVnode, isDestroy);
+          }
+          catch (e) {
+              handleError(e, vnode.context, "directive ".concat(dir.name, " ").concat(hook, " hook"));
+          }
+      }
+  }
+
+  var baseModules = [ref, directives$1];
+
+  function updateAttrs(oldVnode, vnode) {
+      var opts = vnode.componentOptions;
+      if (isDef(opts) && opts.Ctor.options.inheritAttrs === false) {
+          return;
+      }
+      if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) {
+          return;
+      }
+      var key, cur, old;
+      var elm = vnode.elm;
+      var oldAttrs = oldVnode.data.attrs || {};
+      var attrs = vnode.data.attrs || {};
+      // clone observed objects, as the user probably wants to mutate it
+      if (isDef(attrs.__ob__) || isTrue(attrs._v_attr_proxy)) {
+          attrs = vnode.data.attrs = extend({}, attrs);
+      }
+      for (key in attrs) {
+          cur = attrs[key];
+          old = oldAttrs[key];
+          if (old !== cur) {
+              setAttr(elm, key, cur, vnode.data.pre);
+          }
+      }
+      // #4391: in IE9, setting type can reset value for input[type=radio]
+      // #6666: IE/Edge forces progress value down to 1 before setting a max
+      /* istanbul ignore if */
+      if ((isIE || isEdge) && attrs.value !== oldAttrs.value) {
+          setAttr(elm, 'value', attrs.value);
+      }
+      for (key in oldAttrs) {
+          if (isUndef(attrs[key])) {
+              if (isXlink(key)) {
+                  elm.removeAttributeNS(xlinkNS, getXlinkProp(key));
+              }
+              else if (!isEnumeratedAttr(key)) {
+                  elm.removeAttribute(key);
+              }
+          }
+      }
+  }
+  function setAttr(el, key, value, isInPre) {
+      if (isInPre || el.tagName.indexOf('-') > -1) {
+          baseSetAttr(el, key, value);
+      }
+      else if (isBooleanAttr(key)) {
+          // set attribute for blank value
+          // e.g. <option disabled>Select one</option>
+          if (isFalsyAttrValue(value)) {
+              el.removeAttribute(key);
+          }
+          else {
+              // technically allowfullscreen is a boolean attribute for <iframe>,
+              // but Flash expects a value of "true" when used on <embed> tag
+              value = key === 'allowfullscreen' && el.tagName === 'EMBED' ? 'true' : key;
+              el.setAttribute(key, value);
+          }
+      }
+      else if (isEnumeratedAttr(key)) {
+          el.setAttribute(key, convertEnumeratedValue(key, value));
+      }
+      else if (isXlink(key)) {
+          if (isFalsyAttrValue(value)) {
+              el.removeAttributeNS(xlinkNS, getXlinkProp(key));
+          }
+          else {
+              el.setAttributeNS(xlinkNS, key, value);
+          }
+      }
+      else {
+          baseSetAttr(el, key, value);
+      }
+  }
+  function baseSetAttr(el, key, value) {
+      if (isFalsyAttrValue(value)) {
+          el.removeAttribute(key);
+      }
+      else {
+          // #7138: IE10 & 11 fires input event when setting placeholder on
+          // <textarea>... block the first input event and remove the blocker
+          // immediately.
+          /* istanbul ignore if */
+          if (isIE &&
+              !isIE9 &&
+              el.tagName === 'TEXTAREA' &&
+              key === 'placeholder' &&
+              value !== '' &&
+              !el.__ieph) {
+              var blocker_1 = function (e) {
+                  e.stopImmediatePropagation();
+                  el.removeEventListener('input', blocker_1);
+              };
+              el.addEventListener('input', blocker_1);
+              // $flow-disable-line
+              el.__ieph = true; /* IE placeholder patched */
+          }
+          el.setAttribute(key, value);
+      }
+  }
+  var attrs = {
+      create: updateAttrs,
+      update: updateAttrs
   };
 
-  /*  */
-
-  function transformNode$1 (el, options) {
-    var warn = options.warn || baseWarn;
-    var staticStyle = getAndRemoveAttr(el, 'style');
-    if (staticStyle) {
-      /* istanbul ignore if */
-      {
-        var res = parseText(staticStyle, options.delimiters);
-        if (res) {
-          warn(
-            "style=\"" + staticStyle + "\": " +
-            'Interpolation inside attributes has been removed. ' +
-            'Use v-bind or the colon shorthand instead. For example, ' +
-            'instead of <div style="{{ val }}">, use <div :style="val">.',
-            el.rawAttrsMap['style']
-          );
-        }
-      }
-      el.staticStyle = JSON.stringify(parseStyleText(staticStyle));
-    }
-
-    var styleBinding = getBindingAttr(el, 'style', false /* getStatic */);
-    if (styleBinding) {
-      el.styleBinding = styleBinding;
-    }
-  }
-
-  function genData$1 (el) {
-    var data = '';
-    if (el.staticStyle) {
-      data += "staticStyle:" + (el.staticStyle) + ",";
-    }
-    if (el.styleBinding) {
-      data += "style:(" + (el.styleBinding) + "),";
-    }
-    return data
-  }
-
-  var style$1 = {
-    staticKeys: ['staticStyle'],
-    transformNode: transformNode$1,
-    genData: genData$1
+  function updateClass(oldVnode, vnode) {
+      var el = vnode.elm;
+      var data = vnode.data;
+      var oldData = oldVnode.data;
+      if (isUndef(data.staticClass) &&
+          isUndef(data.class) &&
+          (isUndef(oldData) ||
+              (isUndef(oldData.staticClass) && isUndef(oldData.class)))) {
+          return;
+      }
+      var cls = genClassForVnode(vnode);
+      // handle transition classes
+      var transitionClass = el._transitionClasses;
+      if (isDef(transitionClass)) {
+          cls = concat(cls, stringifyClass(transitionClass));
+      }
+      // set the class
+      if (cls !== el._prevClass) {
+          el.setAttribute('class', cls);
+          el._prevClass = cls;
+      }
+  }
+  var klass$1 = {
+      create: updateClass,
+      update: updateClass
   };
 
-  /*  */
-
-  var decoder;
-
-  var he = {
-    decode: function decode (html) {
-      decoder = decoder || document.createElement('div');
-      decoder.innerHTML = html;
-      return decoder.textContent
-    }
+  var validDivisionCharRE = /[\w).+\-_$\]]/;
+  function parseFilters(exp) {
+      var inSingle = false;
+      var inDouble = false;
+      var inTemplateString = false;
+      var inRegex = false;
+      var curly = 0;
+      var square = 0;
+      var paren = 0;
+      var lastFilterIndex = 0;
+      var c, prev, i, expression, filters;
+      for (i = 0; i < exp.length; i++) {
+          prev = c;
+          c = exp.charCodeAt(i);
+          if (inSingle) {
+              if (c === 0x27 && prev !== 0x5c)
+                  inSingle = false;
+          }
+          else if (inDouble) {
+              if (c === 0x22 && prev !== 0x5c)
+                  inDouble = false;
+          }
+          else if (inTemplateString) {
+              if (c === 0x60 && prev !== 0x5c)
+                  inTemplateString = false;
+          }
+          else if (inRegex) {
+              if (c === 0x2f && prev !== 0x5c)
+                  inRegex = false;
+          }
+          else if (c === 0x7c && // pipe
+              exp.charCodeAt(i + 1) !== 0x7c &&
+              exp.charCodeAt(i - 1) !== 0x7c &&
+              !curly &&
+              !square &&
+              !paren) {
+              if (expression === undefined) {
+                  // first filter, end of expression
+                  lastFilterIndex = i + 1;
+                  expression = exp.slice(0, i).trim();
+              }
+              else {
+                  pushFilter();
+              }
+          }
+          else {
+              switch (c) {
+                  case 0x22:
+                      inDouble = true;
+                      break; // "
+                  case 0x27:
+                      inSingle = true;
+                      break; // '
+                  case 0x60:
+                      inTemplateString = true;
+                      break; // `
+                  case 0x28:
+                      paren++;
+                      break; // (
+                  case 0x29:
+                      paren--;
+                      break; // )
+                  case 0x5b:
+                      square++;
+                      break; // [
+                  case 0x5d:
+                      square--;
+                      break; // ]
+                  case 0x7b:
+                      curly++;
+                      break; // {
+                  case 0x7d:
+                      curly--;
+                      break; // }
+              }
+              if (c === 0x2f) {
+                  // /
+                  var j = i - 1;
+                  var p 
+                  // find first non-whitespace prev char
+                  = void 0;
+                  // find first non-whitespace prev char
+                  for (; j >= 0; j--) {
+                      p = exp.charAt(j);
+                      if (p !== ' ')
+                          break;
+                  }
+                  if (!p || !validDivisionCharRE.test(p)) {
+                      inRegex = true;
+                  }
+              }
+          }
+      }
+      if (expression === undefined) {
+          expression = exp.slice(0, i).trim();
+      }
+      else if (lastFilterIndex !== 0) {
+          pushFilter();
+      }
+      function pushFilter() {
+          (filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim());
+          lastFilterIndex = i + 1;
+      }
+      if (filters) {
+          for (i = 0; i < filters.length; i++) {
+              expression = wrapFilter(expression, filters[i]);
+          }
+      }
+      return expression;
+  }
+  function wrapFilter(exp, filter) {
+      var i = filter.indexOf('(');
+      if (i < 0) {
+          // _f: resolveFilter
+          return "_f(\"".concat(filter, "\")(").concat(exp, ")");
+      }
+      else {
+          var name_1 = filter.slice(0, i);
+          var args = filter.slice(i + 1);
+          return "_f(\"".concat(name_1, "\")(").concat(exp).concat(args !== ')' ? ',' + args : args);
+      }
+  }
+
+  /* eslint-disable no-unused-vars */
+  function baseWarn(msg, range) {
+      console.error("[Vue compiler]: ".concat(msg));
+  }
+  /* eslint-enable no-unused-vars */
+  function pluckModuleFunction(modules, key) {
+      return modules ? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; }) : [];
+  }
+  function addProp(el, name, value, range, dynamic) {
+      (el.props || (el.props = [])).push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));
+      el.plain = false;
+  }
+  function addAttr(el, name, value, range, dynamic) {
+      var attrs = dynamic
+          ? el.dynamicAttrs || (el.dynamicAttrs = [])
+          : el.attrs || (el.attrs = []);
+      attrs.push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));
+      el.plain = false;
+  }
+  // add a raw attr (use this in preTransforms)
+  function addRawAttr(el, name, value, range) {
+      el.attrsMap[name] = value;
+      el.attrsList.push(rangeSetItem({ name: name, value: value }, range));
+  }
+  function addDirective(el, name, rawName, value, arg, isDynamicArg, modifiers, range) {
+      (el.directives || (el.directives = [])).push(rangeSetItem({
+          name: name,
+          rawName: rawName,
+          value: value,
+          arg: arg,
+          isDynamicArg: isDynamicArg,
+          modifiers: modifiers
+      }, range));
+      el.plain = false;
+  }
+  function prependModifierMarker(symbol, name, dynamic) {
+      return dynamic ? "_p(".concat(name, ",\"").concat(symbol, "\")") : symbol + name; // mark the event as captured
+  }
+  function addHandler(el, name, value, modifiers, important, warn, range, dynamic) {
+      modifiers = modifiers || emptyObject;
+      // warn prevent and passive modifier
+      /* istanbul ignore if */
+      if (warn && modifiers.prevent && modifiers.passive) {
+          warn("passive and prevent can't be used together. " +
+              "Passive handler can't prevent default event.", range);
+      }
+      // normalize click.right and click.middle since they don't actually fire
+      // this is technically browser-specific, but at least for now browsers are
+      // the only target envs that have right/middle clicks.
+      if (modifiers.right) {
+          if (dynamic) {
+              name = "(".concat(name, ")==='click'?'contextmenu':(").concat(name, ")");
+          }
+          else if (name === 'click') {
+              name = 'contextmenu';
+              delete modifiers.right;
+          }
+      }
+      else if (modifiers.middle) {
+          if (dynamic) {
+              name = "(".concat(name, ")==='click'?'mouseup':(").concat(name, ")");
+          }
+          else if (name === 'click') {
+              name = 'mouseup';
+          }
+      }
+      // check capture modifier
+      if (modifiers.capture) {
+          delete modifiers.capture;
+          name = prependModifierMarker('!', name, dynamic);
+      }
+      if (modifiers.once) {
+          delete modifiers.once;
+          name = prependModifierMarker('~', name, dynamic);
+      }
+      /* istanbul ignore if */
+      if (modifiers.passive) {
+          delete modifiers.passive;
+          name = prependModifierMarker('&', name, dynamic);
+      }
+      var events;
+      if (modifiers.native) {
+          delete modifiers.native;
+          events = el.nativeEvents || (el.nativeEvents = {});
+      }
+      else {
+          events = el.events || (el.events = {});
+      }
+      var newHandler = rangeSetItem({ value: value.trim(), dynamic: dynamic }, range);
+      if (modifiers !== emptyObject) {
+          newHandler.modifiers = modifiers;
+      }
+      var handlers = events[name];
+      /* istanbul ignore if */
+      if (Array.isArray(handlers)) {
+          important ? handlers.unshift(newHandler) : handlers.push(newHandler);
+      }
+      else if (handlers) {
+          events[name] = important ? [newHandler, handlers] : [handlers, newHandler];
+      }
+      else {
+          events[name] = newHandler;
+      }
+      el.plain = false;
+  }
+  function getRawBindingAttr(el, name) {
+      return (el.rawAttrsMap[':' + name] ||
+          el.rawAttrsMap['v-bind:' + name] ||
+          el.rawAttrsMap[name]);
+  }
+  function getBindingAttr(el, name, getStatic) {
+      var dynamicValue = getAndRemoveAttr(el, ':' + name) || getAndRemoveAttr(el, 'v-bind:' + name);
+      if (dynamicValue != null) {
+          return parseFilters(dynamicValue);
+      }
+      else if (getStatic !== false) {
+          var staticValue = getAndRemoveAttr(el, name);
+          if (staticValue != null) {
+              return JSON.stringify(staticValue);
+          }
+      }
+  }
+  // note: this only removes the attr from the Array (attrsList) so that it
+  // doesn't get processed by processAttrs.
+  // By default it does NOT remove it from the map (attrsMap) because the map is
+  // needed during codegen.
+  function getAndRemoveAttr(el, name, removeFromMap) {
+      var val;
+      if ((val = el.attrsMap[name]) != null) {
+          var list = el.attrsList;
+          for (var i = 0, l = list.length; i < l; i++) {
+              if (list[i].name === name) {
+                  list.splice(i, 1);
+                  break;
+              }
+          }
+      }
+      if (removeFromMap) {
+          delete el.attrsMap[name];
+      }
+      return val;
+  }
+  function getAndRemoveAttrByRegex(el, name) {
+      var list = el.attrsList;
+      for (var i = 0, l = list.length; i < l; i++) {
+          var attr = list[i];
+          if (name.test(attr.name)) {
+              list.splice(i, 1);
+              return attr;
+          }
+      }
+  }
+  function rangeSetItem(item, range) {
+      if (range) {
+          if (range.start != null) {
+              item.start = range.start;
+          }
+          if (range.end != null) {
+              item.end = range.end;
+          }
+      }
+      return item;
+  }
+
+  /**
+   * Cross-platform code generation for component v-model
+   */
+  function genComponentModel(el, value, modifiers) {
+      var _a = modifiers || {}, number = _a.number, trim = _a.trim;
+      var baseValueExpression = '$$v';
+      var valueExpression = baseValueExpression;
+      if (trim) {
+          valueExpression =
+              "(typeof ".concat(baseValueExpression, " === 'string'") +
+                  "? ".concat(baseValueExpression, ".trim()") +
+                  ": ".concat(baseValueExpression, ")");
+      }
+      if (number) {
+          valueExpression = "_n(".concat(valueExpression, ")");
+      }
+      var assignment = genAssignmentCode(value, valueExpression);
+      el.model = {
+          value: "(".concat(value, ")"),
+          expression: JSON.stringify(value),
+          callback: "function (".concat(baseValueExpression, ") {").concat(assignment, "}")
+      };
+  }
+  /**
+   * Cross-platform codegen helper for generating v-model value assignment code.
+   */
+  function genAssignmentCode(value, assignment) {
+      var res = parseModel(value);
+      if (res.key === null) {
+          return "".concat(value, "=").concat(assignment);
+      }
+      else {
+          return "$set(".concat(res.exp, ", ").concat(res.key, ", ").concat(assignment, ")");
+      }
+  }
+  /**
+   * Parse a v-model expression into a base path and a final key segment.
+   * Handles both dot-path and possible square brackets.
+   *
+   * Possible cases:
+   *
+   * - test
+   * - test[key]
+   * - test[test1[key]]
+   * - test["a"][key]
+   * - xxx.test[a[a].test1[key]]
+   * - test.xxx.a["asa"][test1[key]]
+   *
+   */
+  var len, str, chr, index, expressionPos, expressionEndPos;
+  function parseModel(val) {
+      // Fix https://github.com/vuejs/vue/pull/7730
+      // allow v-model="obj.val " (trailing whitespace)
+      val = val.trim();
+      len = val.length;
+      if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) {
+          index = val.lastIndexOf('.');
+          if (index > -1) {
+              return {
+                  exp: val.slice(0, index),
+                  key: '"' + val.slice(index + 1) + '"'
+              };
+          }
+          else {
+              return {
+                  exp: val,
+                  key: null
+              };
+          }
+      }
+      str = val;
+      index = expressionPos = expressionEndPos = 0;
+      while (!eof()) {
+          chr = next();
+          /* istanbul ignore if */
+          if (isStringStart(chr)) {
+              parseString(chr);
+          }
+          else if (chr === 0x5b) {
+              parseBracket(chr);
+          }
+      }
+      return {
+          exp: val.slice(0, expressionPos),
+          key: val.slice(expressionPos + 1, expressionEndPos)
+      };
+  }
+  function next() {
+      return str.charCodeAt(++index);
+  }
+  function eof() {
+      return index >= len;
+  }
+  function isStringStart(chr) {
+      return chr === 0x22 || chr === 0x27;
+  }
+  function parseBracket(chr) {
+      var inBracket = 1;
+      expressionPos = index;
+      while (!eof()) {
+          chr = next();
+          if (isStringStart(chr)) {
+              parseString(chr);
+              continue;
+          }
+          if (chr === 0x5b)
+              inBracket++;
+          if (chr === 0x5d)
+              inBracket--;
+          if (inBracket === 0) {
+              expressionEndPos = index;
+              break;
+          }
+      }
+  }
+  function parseString(chr) {
+      var stringQuote = chr;
+      while (!eof()) {
+          chr = next();
+          if (chr === stringQuote) {
+              break;
+          }
+      }
+  }
+
+  var warn$1;
+  // in some cases, the event used has to be determined at runtime
+  // so we used some reserved tokens during compile.
+  var RANGE_TOKEN = '__r';
+  var CHECKBOX_RADIO_TOKEN = '__c';
+  function model$1(el, dir, _warn) {
+      warn$1 = _warn;
+      var value = dir.value;
+      var modifiers = dir.modifiers;
+      var tag = el.tag;
+      var type = el.attrsMap.type;
+      {
+          // inputs with type="file" are read only and setting the input's
+          // value will throw an error.
+          if (tag === 'input' && type === 'file') {
+              warn$1("<".concat(el.tag, " v-model=\"").concat(value, "\" type=\"file\">:\n") +
+                  "File inputs are read only. Use a v-on:change listener instead.", el.rawAttrsMap['v-model']);
+          }
+      }
+      if (el.component) {
+          genComponentModel(el, value, modifiers);
+          // component v-model doesn't need extra runtime
+          return false;
+      }
+      else if (tag === 'select') {
+          genSelect(el, value, modifiers);
+      }
+      else if (tag === 'input' && type === 'checkbox') {
+          genCheckboxModel(el, value, modifiers);
+      }
+      else if (tag === 'input' && type === 'radio') {
+          genRadioModel(el, value, modifiers);
+      }
+      else if (tag === 'input' || tag === 'textarea') {
+          genDefaultModel(el, value, modifiers);
+      }
+      else if (!config.isReservedTag(tag)) {
+          genComponentModel(el, value, modifiers);
+          // component v-model doesn't need extra runtime
+          return false;
+      }
+      else {
+          warn$1("<".concat(el.tag, " v-model=\"").concat(value, "\">: ") +
+              "v-model is not supported on this element type. " +
+              "If you are working with contenteditable, it's recommended to " +
+              'wrap a library dedicated for that purpose inside a custom component.', el.rawAttrsMap['v-model']);
+      }
+      // ensure runtime directive metadata
+      return true;
+  }
+  function genCheckboxModel(el, value, modifiers) {
+      var number = modifiers && modifiers.number;
+      var valueBinding = getBindingAttr(el, 'value') || 'null';
+      var trueValueBinding = getBindingAttr(el, 'true-value') || 'true';
+      var falseValueBinding = getBindingAttr(el, 'false-value') || 'false';
+      addProp(el, 'checked', "Array.isArray(".concat(value, ")") +
+          "?_i(".concat(value, ",").concat(valueBinding, ")>-1") +
+          (trueValueBinding === 'true'
+              ? ":(".concat(value, ")")
+              : ":_q(".concat(value, ",").concat(trueValueBinding, ")")));
+      addHandler(el, 'change', "var $$a=".concat(value, ",") +
+          '$$el=$event.target,' +
+          "$$c=$$el.checked?(".concat(trueValueBinding, "):(").concat(falseValueBinding, ");") +
+          'if(Array.isArray($$a)){' +
+          "var $$v=".concat(number ? '_n(' + valueBinding + ')' : valueBinding, ",") +
+          '$$i=_i($$a,$$v);' +
+          "if($$el.checked){$$i<0&&(".concat(genAssignmentCode(value, '$$a.concat([$$v])'), ")}") +
+          "else{$$i>-1&&(".concat(genAssignmentCode(value, '$$a.slice(0,$$i).concat($$a.slice($$i+1))'), ")}") +
+          "}else{".concat(genAssignmentCode(value, '$$c'), "}"), null, true);
+  }
+  function genRadioModel(el, value, modifiers) {
+      var number = modifiers && modifiers.number;
+      var valueBinding = getBindingAttr(el, 'value') || 'null';
+      valueBinding = number ? "_n(".concat(valueBinding, ")") : valueBinding;
+      addProp(el, 'checked', "_q(".concat(value, ",").concat(valueBinding, ")"));
+      addHandler(el, 'change', genAssignmentCode(value, valueBinding), null, true);
+  }
+  function genSelect(el, value, modifiers) {
+      var number = modifiers && modifiers.number;
+      var selectedVal = "Array.prototype.filter" +
+          ".call($event.target.options,function(o){return o.selected})" +
+          ".map(function(o){var val = \"_value\" in o ? o._value : o.value;" +
+          "return ".concat(number ? '_n(val)' : 'val', "})");
+      var assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]';
+      var code = "var $$selectedVal = ".concat(selectedVal, ";");
+      code = "".concat(code, " ").concat(genAssignmentCode(value, assignment));
+      addHandler(el, 'change', code, null, true);
+  }
+  function genDefaultModel(el, value, modifiers) {
+      var type = el.attrsMap.type;
+      // warn if v-bind:value conflicts with v-model
+      // except for inputs with v-bind:type
+      {
+          var value_1 = el.attrsMap['v-bind:value'] || el.attrsMap[':value'];
+          var typeBinding = el.attrsMap['v-bind:type'] || el.attrsMap[':type'];
+          if (value_1 && !typeBinding) {
+              var binding = el.attrsMap['v-bind:value'] ? 'v-bind:value' : ':value';
+              warn$1("".concat(binding, "=\"").concat(value_1, "\" conflicts with v-model on the same element ") +
+                  'because the latter already expands to a value binding internally', el.rawAttrsMap[binding]);
+          }
+      }
+      var _a = modifiers || {}, lazy = _a.lazy, number = _a.number, trim = _a.trim;
+      var needCompositionGuard = !lazy && type !== 'range';
+      var event = lazy ? 'change' : type === 'range' ? RANGE_TOKEN : 'input';
+      var valueExpression = '$event.target.value';
+      if (trim) {
+          valueExpression = "$event.target.value.trim()";
+      }
+      if (number) {
+          valueExpression = "_n(".concat(valueExpression, ")");
+      }
+      var code = genAssignmentCode(value, valueExpression);
+      if (needCompositionGuard) {
+          code = "if($event.target.composing)return;".concat(code);
+      }
+      addProp(el, 'value', "(".concat(value, ")"));
+      addHandler(el, event, code, null, true);
+      if (trim || number) {
+          addHandler(el, 'blur', '$forceUpdate()');
+      }
+  }
+
+  // normalize v-model event tokens that can only be determined at runtime.
+  // it's important to place the event as the first in the array because
+  // the whole point is ensuring the v-model callback gets called before
+  // user-attached handlers.
+  function normalizeEvents(on) {
+      /* istanbul ignore if */
+      if (isDef(on[RANGE_TOKEN])) {
+          // IE input[type=range] only supports `change` event
+          var event_1 = isIE ? 'change' : 'input';
+          on[event_1] = [].concat(on[RANGE_TOKEN], on[event_1] || []);
+          delete on[RANGE_TOKEN];
+      }
+      // This was originally intended to fix #4521 but no longer necessary
+      // after 2.5. Keeping it for backwards compat with generated code from < 2.4
+      /* istanbul ignore if */
+      if (isDef(on[CHECKBOX_RADIO_TOKEN])) {
+          on.change = [].concat(on[CHECKBOX_RADIO_TOKEN], on.change || []);
+          delete on[CHECKBOX_RADIO_TOKEN];
+      }
+  }
+  var target;
+  function createOnceHandler(event, handler, capture) {
+      var _target = target; // save current target element in closure
+      return function onceHandler() {
+          var res = handler.apply(null, arguments);
+          if (res !== null) {
+              remove(event, onceHandler, capture, _target);
+          }
+      };
+  }
+  // #9446: Firefox <= 53 (in particular, ESR 52) has incorrect Event.timeStamp
+  // implementation and does not fire microtasks in between event propagation, so
+  // safe to exclude.
+  var useMicrotaskFix = isUsingMicroTask && !(isFF && Number(isFF[1]) <= 53);
+  function add(name, handler, capture, passive) {
+      // async edge case #6566: inner click event triggers patch, event handler
+      // attached to outer element during patch, and triggered again. This
+      // happens because browsers fire microtask ticks between event propagation.
+      // the solution is simple: we save the timestamp when a handler is attached,
+      // and the handler would only fire if the event passed to it was fired
+      // AFTER it was attached.
+      if (useMicrotaskFix) {
+          var attachedTimestamp_1 = currentFlushTimestamp;
+          var original_1 = handler;
+          //@ts-expect-error
+          handler = original_1._wrapper = function (e) {
+              if (
+              // no bubbling, should always fire.
+              // this is just a safety net in case event.timeStamp is unreliable in
+              // certain weird environments...
+              e.target === e.currentTarget ||
+                  // event is fired after handler attachment
+                  e.timeStamp >= attachedTimestamp_1 ||
+                  // bail for environments that have buggy event.timeStamp implementations
+                  // #9462 iOS 9 bug: event.timeStamp is 0 after history.pushState
+                  // #9681 QtWebEngine event.timeStamp is negative value
+                  e.timeStamp <= 0 ||
+                  // #9448 bail if event is fired in another document in a multi-page
+                  // electron/nw.js app, since event.timeStamp will be using a different
+                  // starting reference
+                  e.target.ownerDocument !== document) {
+                  return original_1.apply(this, arguments);
+              }
+          };
+      }
+      target.addEventListener(name, handler, supportsPassive ? { capture: capture, passive: passive } : capture);
+  }
+  function remove(name, handler, capture, _target) {
+      (_target || target).removeEventListener(name, 
+      //@ts-expect-error
+      handler._wrapper || handler, capture);
+  }
+  function updateDOMListeners(oldVnode, vnode) {
+      if (isUndef(oldVnode.data.on) && isUndef(vnode.data.on)) {
+          return;
+      }
+      var on = vnode.data.on || {};
+      var oldOn = oldVnode.data.on || {};
+      // vnode is empty when removing all listeners,
+      // and use old vnode dom element
+      target = vnode.elm || oldVnode.elm;
+      normalizeEvents(on);
+      updateListeners(on, oldOn, add, remove, createOnceHandler, vnode.context);
+      target = undefined;
+  }
+  var events = {
+      create: updateDOMListeners,
+      update: updateDOMListeners,
+      // @ts-expect-error emptyNode has actually data
+      destroy: function (vnode) { return updateDOMListeners(vnode, emptyNode); }
   };
 
-  /*  */
-
-  var isUnaryTag = makeMap(
-    'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
-    'link,meta,param,source,track,wbr'
-  );
-
-  // Elements that you can, intentionally, leave open
-  // (and which close themselves)
-  var canBeLeftOpenTag = makeMap(
-    'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source'
-  );
-
-  // HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
-  // Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
-  var isNonPhrasingTag = makeMap(
-    'address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' +
-    'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' +
-    'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' +
-    'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' +
-    'title,tr,track'
-  );
-
-  /**
-   * Not type-checking this file because it's mostly vendor code.
-   */
-
-  // Regular Expressions for parsing tags and attributes
-  var attribute = /^\s*([^\s"'<>\/=]+)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
-  var dynamicArgAttribute = /^\s*((?:v-[\w-]+:|@|:|#)\[[^=]+?\][^\s"'<>\/=]*)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
-  var ncname = "[a-zA-Z_][\\-\\.0-9_a-zA-Z" + (unicodeRegExp.source) + "]*";
-  var qnameCapture = "((?:" + ncname + "\\:)?" + ncname + ")";
-  var startTagOpen = new RegExp(("^<" + qnameCapture));
-  var startTagClose = /^\s*(\/?)>/;
-  var endTag = new RegExp(("^<\\/" + qnameCapture + "[^>]*>"));
-  var doctype = /^<!DOCTYPE [^>]+>/i;
-  // #7298: escape - to avoid being passed as HTML comment when inlined in page
-  var comment = /^<!\--/;
-  var conditionalComment = /^<!\[/;
-
-  // Special Elements (can contain anything)
-  var isPlainTextElement = makeMap('script,style,textarea', true);
-  var reCache = {};
-
-  var decodingMap = {
-    '&lt;': '<',
-    '&gt;': '>',
-    '&quot;': '"',
-    '&amp;': '&',
-    '&#10;': '\n',
-    '&#9;': '\t',
-    '&#39;': "'"
+  var svgContainer;
+  function updateDOMProps(oldVnode, vnode) {
+      if (isUndef(oldVnode.data.domProps) && isUndef(vnode.data.domProps)) {
+          return;
+      }
+      var key, cur;
+      var elm = vnode.elm;
+      var oldProps = oldVnode.data.domProps || {};
+      var props = vnode.data.domProps || {};
+      // clone observed objects, as the user probably wants to mutate it
+      if (isDef(props.__ob__) || isTrue(props._v_attr_proxy)) {
+          props = vnode.data.domProps = extend({}, props);
+      }
+      for (key in oldProps) {
+          if (!(key in props)) {
+              elm[key] = '';
+          }
+      }
+      for (key in props) {
+          cur = props[key];
+          // ignore children if the node has textContent or innerHTML,
+          // as these will throw away existing DOM nodes and cause removal errors
+          // on subsequent patches (#3360)
+          if (key === 'textContent' || key === 'innerHTML') {
+              if (vnode.children)
+                  vnode.children.length = 0;
+              if (cur === oldProps[key])
+                  continue;
+              // #6601 work around Chrome version <= 55 bug where single textNode
+              // replaced by innerHTML/textContent retains its parentNode property
+              if (elm.childNodes.length === 1) {
+                  elm.removeChild(elm.childNodes[0]);
+              }
+          }
+          if (key === 'value' && elm.tagName !== 'PROGRESS') {
+              // store value as _value as well since
+              // non-string values will be stringified
+              elm._value = cur;
+              // avoid resetting cursor position when value is the same
+              var strCur = isUndef(cur) ? '' : String(cur);
+              if (shouldUpdateValue(elm, strCur)) {
+                  elm.value = strCur;
+              }
+          }
+          else if (key === 'innerHTML' &&
+              isSVG(elm.tagName) &&
+              isUndef(elm.innerHTML)) {
+              // IE doesn't support innerHTML for SVG elements
+              svgContainer = svgContainer || document.createElement('div');
+              svgContainer.innerHTML = "<svg>".concat(cur, "</svg>");
+              var svg = svgContainer.firstChild;
+              while (elm.firstChild) {
+                  elm.removeChild(elm.firstChild);
+              }
+              while (svg.firstChild) {
+                  elm.appendChild(svg.firstChild);
+              }
+          }
+          else if (
+          // skip the update if old and new VDOM state is the same.
+          // `value` is handled separately because the DOM value may be temporarily
+          // out of sync with VDOM state due to focus, composition and modifiers.
+          // This  #4521 by skipping the unnecessary `checked` update.
+          cur !== oldProps[key]) {
+              // some property updates can throw
+              // e.g. `value` on <progress> w/ non-finite value
+              try {
+                  elm[key] = cur;
+              }
+              catch (e) { }
+          }
+      }
+  }
+  function shouldUpdateValue(elm, checkVal) {
+      return (
+      //@ts-expect-error
+      !elm.composing &&
+          (elm.tagName === 'OPTION' ||
+              isNotInFocusAndDirty(elm, checkVal) ||
+              isDirtyWithModifiers(elm, checkVal)));
+  }
+  function isNotInFocusAndDirty(elm, checkVal) {
+      // return true when textbox (.number and .trim) loses focus and its value is
+      // not equal to the updated value
+      var notInFocus = true;
+      // #6157
+      // work around IE bug when accessing document.activeElement in an iframe
+      try {
+          notInFocus = document.activeElement !== elm;
+      }
+      catch (e) { }
+      return notInFocus && elm.value !== checkVal;
+  }
+  function isDirtyWithModifiers(elm, newVal) {
+      var value = elm.value;
+      var modifiers = elm._vModifiers; // injected by v-model runtime
+      if (isDef(modifiers)) {
+          if (modifiers.number) {
+              return toNumber(value) !== toNumber(newVal);
+          }
+          if (modifiers.trim) {
+              return value.trim() !== newVal.trim();
+          }
+      }
+      return value !== newVal;
+  }
+  var domProps = {
+      create: updateDOMProps,
+      update: updateDOMProps
   };
-  var encodedAttr = /&(?:lt|gt|quot|amp|#39);/g;
-  var encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#39|#10|#9);/g;
-
-  // #5992
-  var isIgnoreNewlineTag = makeMap('pre,textarea', true);
-  var shouldIgnoreFirstNewline = function (tag, html) { return tag && isIgnoreNewlineTag(tag) && html[0] === '\n'; };
-
-  function decodeAttr (value, shouldDecodeNewlines) {
-    var re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr;
-    return value.replace(re, function (match) { return decodingMap[match]; })
-  }
 
-  function parseHTML (html, options) {
-    var stack = [];
-    var expectHTML = options.expectHTML;
-    var isUnaryTag$$1 = options.isUnaryTag || no;
-    var canBeLeftOpenTag$$1 = options.canBeLeftOpenTag || no;
-    var index = 0;
-    var last, lastTag;
-    while (html) {
-      last = html;
-      // Make sure we're not in a plaintext content element like script/style
-      if (!lastTag || !isPlainTextElement(lastTag)) {
-        var textEnd = html.indexOf('<');
-        if (textEnd === 0) {
-          // Comment:
-          if (comment.test(html)) {
-            var commentEnd = html.indexOf('-->');
-
-            if (commentEnd >= 0) {
-              if (options.shouldKeepComment) {
-                options.comment(html.substring(4, commentEnd), index, index + commentEnd + 3);
-              }
-              advance(commentEnd + 3);
-              continue
-            }
-          }
-
-          // http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
-          if (conditionalComment.test(html)) {
-            var conditionalEnd = html.indexOf(']>');
-
-            if (conditionalEnd >= 0) {
-              advance(conditionalEnd + 2);
-              continue
-            }
-          }
-
-          // Doctype:
-          var doctypeMatch = html.match(doctype);
-          if (doctypeMatch) {
-            advance(doctypeMatch[0].length);
-            continue
-          }
-
-          // End tag:
-          var endTagMatch = html.match(endTag);
-          if (endTagMatch) {
-            var curIndex = index;
-            advance(endTagMatch[0].length);
-            parseEndTag(endTagMatch[1], curIndex, index);
-            continue
-          }
-
-          // Start tag:
-          var startTagMatch = parseStartTag();
-          if (startTagMatch) {
-            handleStartTag(startTagMatch);
-            if (shouldIgnoreFirstNewline(startTagMatch.tagName, html)) {
-              advance(1);
-            }
-            continue
-          }
-        }
-
-        var text = (void 0), rest = (void 0), next = (void 0);
-        if (textEnd >= 0) {
-          rest = html.slice(textEnd);
-          while (
-            !endTag.test(rest) &&
-            !startTagOpen.test(rest) &&
-            !comment.test(rest) &&
-            !conditionalComment.test(rest)
-          ) {
-            // < in plain text, be forgiving and treat it as text
-            next = rest.indexOf('<', 1);
-            if (next < 0) { break }
-            textEnd += next;
-            rest = html.slice(textEnd);
-          }
-          text = html.substring(0, textEnd);
-        }
-
-        if (textEnd < 0) {
-          text = html;
-        }
-
-        if (text) {
-          advance(text.length);
-        }
-
-        if (options.chars && text) {
-          options.chars(text, index - text.length, index);
-        }
-      } else {
-        var endTagLength = 0;
-        var stackedTag = lastTag.toLowerCase();
-        var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));
-        var rest$1 = html.replace(reStackedTag, function (all, text, endTag) {
-          endTagLength = endTag.length;
-          if (!isPlainTextElement(stackedTag) && stackedTag !== 'noscript') {
-            text = text
-              .replace(/<!\--([\s\S]*?)-->/g, '$1') // #7298
-              .replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1');
-          }
-          if (shouldIgnoreFirstNewline(stackedTag, text)) {
-            text = text.slice(1);
-          }
-          if (options.chars) {
-            options.chars(text);
-          }
-          return ''
-        });
-        index += html.length - rest$1.length;
-        html = rest$1;
-        parseEndTag(stackedTag, index - endTagLength, index);
-      }
-
-      if (html === last) {
-        options.chars && options.chars(html);
-        if (!stack.length && options.warn) {
-          options.warn(("Mal-formatted tag at end of template: \"" + html + "\""), { start: index + html.length });
-        }
-        break
-      }
-    }
-
-    // Clean up any remaining tags
-    parseEndTag();
-
-    function advance (n) {
-      index += n;
-      html = html.substring(n);
-    }
-
-    function parseStartTag () {
-      var start = html.match(startTagOpen);
-      if (start) {
-        var match = {
-          tagName: start[1],
-          attrs: [],
-          start: index
-        };
-        advance(start[0].length);
-        var end, attr;
-        while (!(end = html.match(startTagClose)) && (attr = html.match(dynamicArgAttribute) || html.match(attribute))) {
-          attr.start = index;
-          advance(attr[0].length);
-          attr.end = index;
-          match.attrs.push(attr);
-        }
-        if (end) {
-          match.unarySlash = end[1];
-          advance(end[0].length);
-          match.end = index;
-          return match
-        }
-      }
-    }
-
-    function handleStartTag (match) {
-      var tagName = match.tagName;
-      var unarySlash = match.unarySlash;
-
-      if (expectHTML) {
-        if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
-          parseEndTag(lastTag);
-        }
-        if (canBeLeftOpenTag$$1(tagName) && lastTag === tagName) {
-          parseEndTag(tagName);
-        }
-      }
-
-      var unary = isUnaryTag$$1(tagName) || !!unarySlash;
-
-      var l = match.attrs.length;
-      var attrs = new Array(l);
-      for (var i = 0; i < l; i++) {
-        var args = match.attrs[i];
-        var value = args[3] || args[4] || args[5] || '';
-        var shouldDecodeNewlines = tagName === 'a' && args[1] === 'href'
-          ? options.shouldDecodeNewlinesForHref
-          : options.shouldDecodeNewlines;
-        attrs[i] = {
-          name: args[1],
-          value: decodeAttr(value, shouldDecodeNewlines)
-        };
-        if (options.outputSourceRange) {
-          attrs[i].start = args.start + args[0].match(/^\s*/).length;
-          attrs[i].end = args.end;
-        }
-      }
-
-      if (!unary) {
-        stack.push({ tag: tagName, lowerCasedTag: tagName.toLowerCase(), attrs: attrs, start: match.start, end: match.end });
-        lastTag = tagName;
-      }
-
-      if (options.start) {
-        options.start(tagName, attrs, unary, match.start, match.end);
-      }
-    }
-
-    function parseEndTag (tagName, start, end) {
-      var pos, lowerCasedTagName;
-      if (start == null) { start = index; }
-      if (end == null) { end = index; }
-
-      // Find the closest opened tag of the same type
-      if (tagName) {
-        lowerCasedTagName = tagName.toLowerCase();
-        for (pos = stack.length - 1; pos >= 0; pos--) {
-          if (stack[pos].lowerCasedTag === lowerCasedTagName) {
-            break
-          }
-        }
-      } else {
-        // If no tag name is provided, clean shop
-        pos = 0;
-      }
-
-      if (pos >= 0) {
-        // Close all the open elements, up the stack
-        for (var i = stack.length - 1; i >= pos; i--) {
-          if (i > pos || !tagName &&
-            options.warn
-          ) {
-            options.warn(
-              ("tag <" + (stack[i].tag) + "> has no matching end tag."),
-              { start: stack[i].start, end: stack[i].end }
-            );
-          }
-          if (options.end) {
-            options.end(stack[i].tag, start, end);
-          }
-        }
-
-        // Remove the open elements from the stack
-        stack.length = pos;
-        lastTag = pos && stack[pos - 1].tag;
-      } else if (lowerCasedTagName === 'br') {
-        if (options.start) {
-          options.start(tagName, [], true, start, end);
-        }
-      } else if (lowerCasedTagName === 'p') {
-        if (options.start) {
-          options.start(tagName, [], false, start, end);
-        }
-        if (options.end) {
-          options.end(tagName, start, end);
-        }
-      }
-    }
-  }
-
-  /*  */
-
-  var onRE = /^@|^v-on:/;
-  var dirRE = /^v-|^@|^:|^#/;
-  var forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+([\s\S]*)/;
-  var forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/;
-  var stripParensRE = /^\(|\)$/g;
-  var dynamicArgRE = /^\[.*\]$/;
-
-  var argRE = /:(.*)$/;
-  var bindRE = /^:|^\.|^v-bind:/;
-  var modifierRE = /\.[^.\]]+(?=[^\]]*$)/g;
-
-  var slotRE = /^v-slot(:|$)|^#/;
-
-  var lineBreakRE = /[\r\n]/;
-  var whitespaceRE$1 = /[ \f\t\r\n]+/g;
-
-  var invalidAttributeRE = /[\s"'<>\/=]/;
-
-  var decodeHTMLCached = cached(he.decode);
-
-  var emptySlotScopeToken = "_empty_";
-
-  // configurable state
-  var warn$2;
-  var delimiters;
-  var transforms;
-  var preTransforms;
-  var postTransforms;
-  var platformIsPreTag;
-  var platformMustUseProp;
-  var platformGetTagNamespace;
-  var maybeComponent;
-
-  function createASTElement (
-    tag,
-    attrs,
-    parent
-  ) {
-    return {
-      type: 1,
-      tag: tag,
-      attrsList: attrs,
-      attrsMap: makeAttrsMap(attrs),
-      rawAttrsMap: {},
-      parent: parent,
-      children: []
-    }
-  }
-
-  /**
-   * Convert HTML string to AST.
-   */
-  function parse (
-    template,
-    options
-  ) {
-    warn$2 = options.warn || baseWarn;
-
-    platformIsPreTag = options.isPreTag || no;
-    platformMustUseProp = options.mustUseProp || no;
-    platformGetTagNamespace = options.getTagNamespace || no;
-    var isReservedTag = options.isReservedTag || no;
-    maybeComponent = function (el) { return !!(
-      el.component ||
-      el.attrsMap[':is'] ||
-      el.attrsMap['v-bind:is'] ||
-      !(el.attrsMap.is ? isReservedTag(el.attrsMap.is) : isReservedTag(el.tag))
-    ); };
-    transforms = pluckModuleFunction(options.modules, 'transformNode');
-    preTransforms = pluckModuleFunction(options.modules, 'preTransformNode');
-    postTransforms = pluckModuleFunction(options.modules, 'postTransformNode');
-
-    delimiters = options.delimiters;
-
-    var stack = [];
-    var preserveWhitespace = options.preserveWhitespace !== false;
-    var whitespaceOption = options.whitespace;
-    var root;
-    var currentParent;
-    var inVPre = false;
-    var inPre = false;
-    var warned = false;
-
-    function warnOnce (msg, range) {
-      if (!warned) {
-        warned = true;
-        warn$2(msg, range);
-      }
-    }
-
-    function closeElement (element) {
-      trimEndingWhitespace(element);
-      if (!inVPre && !element.processed) {
-        element = processElement(element, options);
-      }
-      // tree management
-      if (!stack.length && element !== root) {
-        // allow root elements with v-if, v-else-if and v-else
-        if (root.if && (element.elseif || element.else)) {
-          {
-            checkRootConstraints(element);
-          }
-          addIfCondition(root, {
-            exp: element.elseif,
-            block: element
-          });
-        } else {
-          warnOnce(
-            "Component template should contain exactly one root element. " +
-            "If you are using v-if on multiple elements, " +
-            "use v-else-if to chain them instead.",
-            { start: element.start }
-          );
-        }
-      }
-      if (currentParent && !element.forbidden) {
-        if (element.elseif || element.else) {
-          processIfConditions(element, currentParent);
-        } else {
-          if (element.slotScope) {
-            // scoped slot
-            // keep it in the children list so that v-else(-if) conditions can
-            // find it as the prev node.
-            var name = element.slotTarget || '"default"'
-            ;(currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element;
-          }
-          currentParent.children.push(element);
-          element.parent = currentParent;
-        }
-      }
-
-      // final children cleanup
-      // filter out scoped slots
-      element.children = element.children.filter(function (c) { return !(c).slotScope; });
-      // remove trailing whitespace node again
-      trimEndingWhitespace(element);
-
-      // check pre state
-      if (element.pre) {
-        inVPre = false;
-      }
-      if (platformIsPreTag(element.tag)) {
-        inPre = false;
-      }
-      // apply post-transforms
-      for (var i = 0; i < postTransforms.length; i++) {
-        postTransforms[i](element, options);
-      }
-    }
-
-    function trimEndingWhitespace (el) {
-      // remove trailing whitespace node
-      if (!inPre) {
-        var lastNode;
-        while (
-          (lastNode = el.children[el.children.length - 1]) &&
-          lastNode.type === 3 &&
-          lastNode.text === ' '
-        ) {
-          el.children.pop();
-        }
-      }
-    }
-
-    function checkRootConstraints (el) {
-      if (el.tag === 'slot' || el.tag === 'template') {
-        warnOnce(
-          "Cannot use <" + (el.tag) + "> as component root element because it may " +
-          'contain multiple nodes.',
-          { start: el.start }
-        );
-      }
-      if (el.attrsMap.hasOwnProperty('v-for')) {
-        warnOnce(
-          'Cannot use v-for on stateful component root element because ' +
-          'it renders multiple elements.',
-          el.rawAttrsMap['v-for']
-        );
-      }
-    }
-
-    parseHTML(template, {
-      warn: warn$2,
-      expectHTML: options.expectHTML,
-      isUnaryTag: options.isUnaryTag,
-      canBeLeftOpenTag: options.canBeLeftOpenTag,
-      shouldDecodeNewlines: options.shouldDecodeNewlines,
-      shouldDecodeNewlinesForHref: options.shouldDecodeNewlinesForHref,
-      shouldKeepComment: options.comments,
-      outputSourceRange: options.outputSourceRange,
-      start: function start (tag, attrs, unary, start$1, end) {
-        // check namespace.
-        // inherit parent ns if there is one
-        var ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag);
-
-        // handle IE svg bug
-        /* istanbul ignore if */
-        if (isIE && ns === 'svg') {
-          attrs = guardIESVGBug(attrs);
-        }
-
-        var element = createASTElement(tag, attrs, currentParent);
-        if (ns) {
-          element.ns = ns;
-        }
-
-        {
-          if (options.outputSourceRange) {
-            element.start = start$1;
-            element.end = end;
-            element.rawAttrsMap = element.attrsList.reduce(function (cumulated, attr) {
-              cumulated[attr.name] = attr;
-              return cumulated
-            }, {});
-          }
-          attrs.forEach(function (attr) {
-            if (invalidAttributeRE.test(attr.name)) {
-              warn$2(
-                "Invalid dynamic argument expression: attribute names cannot contain " +
-                "spaces, quotes, <, >, / or =.",
-                {
-                  start: attr.start + attr.name.indexOf("["),
-                  end: attr.start + attr.name.length
-                }
-              );
-            }
-          });
-        }
-
-        if (isForbiddenTag(element) && !isServerRendering()) {
-          element.forbidden = true;
-          warn$2(
-            'Templates should only be responsible for mapping the state to the ' +
-            'UI. Avoid placing tags with side-effects in your templates, such as ' +
-            "<" + tag + ">" + ', as they will not be parsed.',
-            { start: element.start }
-          );
-        }
-
-        // apply pre-transforms
-        for (var i = 0; i < preTransforms.length; i++) {
-          element = preTransforms[i](element, options) || element;
-        }
-
-        if (!inVPre) {
-          processPre(element);
-          if (element.pre) {
-            inVPre = true;
-          }
-        }
-        if (platformIsPreTag(element.tag)) {
-          inPre = true;
-        }
-        if (inVPre) {
-          processRawAttrs(element);
-        } else if (!element.processed) {
-          // structural directives
-          processFor(element);
-          processIf(element);
-          processOnce(element);
-        }
-
-        if (!root) {
-          root = element;
-          {
-            checkRootConstraints(root);
-          }
-        }
-
-        if (!unary) {
-          currentParent = element;
-          stack.push(element);
-        } else {
-          closeElement(element);
-        }
-      },
-
-      end: function end (tag, start, end$1) {
-        var element = stack[stack.length - 1];
-        // pop stack
-        stack.length -= 1;
-        currentParent = stack[stack.length - 1];
-        if (options.outputSourceRange) {
-          element.end = end$1;
-        }
-        closeElement(element);
-      },
-
-      chars: function chars (text, start, end) {
-        if (!currentParent) {
-          {
-            if (text === template) {
-              warnOnce(
-                'Component template requires a root element, rather than just text.',
-                { start: start }
-              );
-            } else if ((text = text.trim())) {
-              warnOnce(
-                ("text \"" + text + "\" outside root element will be ignored."),
-                { start: start }
-              );
-            }
-          }
-          return
-        }
-        // IE textarea placeholder bug
-        /* istanbul ignore if */
-        if (isIE &&
-          currentParent.tag === 'textarea' &&
-          currentParent.attrsMap.placeholder === text
-        ) {
-          return
-        }
-        var children = currentParent.children;
-        if (inPre || text.trim()) {
-          text = isTextTag(currentParent) ? text : decodeHTMLCached(text);
-        } else if (!children.length) {
-          // remove the whitespace-only node right after an opening tag
-          text = '';
-        } else if (whitespaceOption) {
-          if (whitespaceOption === 'condense') {
-            // in condense mode, remove the whitespace node if it contains
-            // line break, otherwise condense to a single space
-            text = lineBreakRE.test(text) ? '' : ' ';
-          } else {
-            text = ' ';
-          }
-        } else {
-          text = preserveWhitespace ? ' ' : '';
-        }
-        if (text) {
-          if (!inPre && whitespaceOption === 'condense') {
-            // condense consecutive whitespaces into single space
-            text = text.replace(whitespaceRE$1, ' ');
-          }
-          var res;
-          var child;
-          if (!inVPre && text !== ' ' && (res = parseText(text, delimiters))) {
-            child = {
-              type: 2,
-              expression: res.expression,
-              tokens: res.tokens,
-              text: text
-            };
-          } else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') {
-            child = {
-              type: 3,
-              text: text
-            };
-          }
-          if (child) {
-            if (options.outputSourceRange) {
-              child.start = start;
-              child.end = end;
-            }
-            children.push(child);
-          }
-        }
-      },
-      comment: function comment (text, start, end) {
-        // adding anything as a sibling to the root node is forbidden
-        // comments should still be allowed, but ignored
-        if (currentParent) {
-          var child = {
-            type: 3,
-            text: text,
-            isComment: true
-          };
-          if (options.outputSourceRange) {
-            child.start = start;
-            child.end = end;
-          }
-          currentParent.children.push(child);
-        }
-      }
-    });
-    return root
-  }
-
-  function processPre (el) {
-    if (getAndRemoveAttr(el, 'v-pre') != null) {
-      el.pre = true;
-    }
-  }
-
-  function processRawAttrs (el) {
-    var list = el.attrsList;
-    var len = list.length;
-    if (len) {
-      var attrs = el.attrs = new Array(len);
-      for (var i = 0; i < len; i++) {
-        attrs[i] = {
-          name: list[i].name,
-          value: JSON.stringify(list[i].value)
-        };
-        if (list[i].start != null) {
-          attrs[i].start = list[i].start;
-          attrs[i].end = list[i].end;
-        }
-      }
-    } else if (!el.pre) {
-      // non root node in pre blocks with no attributes
-      el.plain = true;
-    }
-  }
-
-  function processElement (
-    element,
-    options
-  ) {
-    processKey(element);
-
-    // determine whether this is a plain element after
-    // removing structural attributes
-    element.plain = (
-      !element.key &&
-      !element.scopedSlots &&
-      !element.attrsList.length
-    );
-
-    processRef(element);
-    processSlotContent(element);
-    processSlotOutlet(element);
-    processComponent(element);
-    for (var i = 0; i < transforms.length; i++) {
-      element = transforms[i](element, options) || element;
-    }
-    processAttrs(element);
-    return element
-  }
-
-  function processKey (el) {
-    var exp = getBindingAttr(el, 'key');
-    if (exp) {
-      {
-        if (el.tag === 'template') {
-          warn$2(
-            "<template> cannot be keyed. Place the key on real elements instead.",
-            getRawBindingAttr(el, 'key')
-          );
-        }
-        if (el.for) {
-          var iterator = el.iterator2 || el.iterator1;
-          var parent = el.parent;
-          if (iterator && iterator === exp && parent && parent.tag === 'transition-group') {
-            warn$2(
-              "Do not use v-for index as key on <transition-group> children, " +
-              "this is the same as not using keys.",
-              getRawBindingAttr(el, 'key'),
-              true /* tip */
-            );
-          }
-        }
-      }
-      el.key = exp;
-    }
-  }
-
-  function processRef (el) {
-    var ref = getBindingAttr(el, 'ref');
-    if (ref) {
-      el.ref = ref;
-      el.refInFor = checkInFor(el);
-    }
-  }
-
-  function processFor (el) {
-    var exp;
-    if ((exp = getAndRemoveAttr(el, 'v-for'))) {
-      var res = parseFor(exp);
-      if (res) {
-        extend(el, res);
-      } else {
-        warn$2(
-          ("Invalid v-for expression: " + exp),
-          el.rawAttrsMap['v-for']
-        );
-      }
-    }
-  }
-
-
-
-  function parseFor (exp) {
-    var inMatch = exp.match(forAliasRE);
-    if (!inMatch) { return }
-    var res = {};
-    res.for = inMatch[2].trim();
-    var alias = inMatch[1].trim().replace(stripParensRE, '');
-    var iteratorMatch = alias.match(forIteratorRE);
-    if (iteratorMatch) {
-      res.alias = alias.replace(forIteratorRE, '').trim();
-      res.iterator1 = iteratorMatch[1].trim();
-      if (iteratorMatch[2]) {
-        res.iterator2 = iteratorMatch[2].trim();
-      }
-    } else {
-      res.alias = alias;
-    }
-    return res
-  }
-
-  function processIf (el) {
-    var exp = getAndRemoveAttr(el, 'v-if');
-    if (exp) {
-      el.if = exp;
-      addIfCondition(el, {
-        exp: exp,
-        block: el
-      });
-    } else {
-      if (getAndRemoveAttr(el, 'v-else') != null) {
-        el.else = true;
-      }
-      var elseif = getAndRemoveAttr(el, 'v-else-if');
-      if (elseif) {
-        el.elseif = elseif;
-      }
-    }
-  }
-
-  function processIfConditions (el, parent) {
-    var prev = findPrevElement(parent.children);
-    if (prev && prev.if) {
-      addIfCondition(prev, {
-        exp: el.elseif,
-        block: el
-      });
-    } else {
-      warn$2(
-        "v-" + (el.elseif ? ('else-if="' + el.elseif + '"') : 'else') + " " +
-        "used on element <" + (el.tag) + "> without corresponding v-if.",
-        el.rawAttrsMap[el.elseif ? 'v-else-if' : 'v-else']
-      );
-    }
-  }
-
-  function findPrevElement (children) {
-    var i = children.length;
-    while (i--) {
-      if (children[i].type === 1) {
-        return children[i]
-      } else {
-        if (children[i].text !== ' ') {
-          warn$2(
-            "text \"" + (children[i].text.trim()) + "\" between v-if and v-else(-if) " +
-            "will be ignored.",
-            children[i]
-          );
-        }
-        children.pop();
-      }
-    }
-  }
-
-  function addIfCondition (el, condition) {
-    if (!el.ifConditions) {
-      el.ifConditions = [];
-    }
-    el.ifConditions.push(condition);
-  }
-
-  function processOnce (el) {
-    var once$$1 = getAndRemoveAttr(el, 'v-once');
-    if (once$$1 != null) {
-      el.once = true;
-    }
-  }
-
-  // handle content being passed to a component as slot,
-  // e.g. <template slot="xxx">, <div slot-scope="xxx">
-  function processSlotContent (el) {
-    var slotScope;
-    if (el.tag === 'template') {
-      slotScope = getAndRemoveAttr(el, 'scope');
-      /* istanbul ignore if */
-      if (slotScope) {
-        warn$2(
-          "the \"scope\" attribute for scoped slots have been deprecated and " +
-          "replaced by \"slot-scope\" since 2.5. The new \"slot-scope\" attribute " +
-          "can also be used on plain elements in addition to <template> to " +
-          "denote scoped slots.",
-          el.rawAttrsMap['scope'],
-          true
-        );
-      }
-      el.slotScope = slotScope || getAndRemoveAttr(el, 'slot-scope');
-    } else if ((slotScope = getAndRemoveAttr(el, 'slot-scope'))) {
-      /* istanbul ignore if */
-      if (el.attrsMap['v-for']) {
-        warn$2(
-          "Ambiguous combined usage of slot-scope and v-for on <" + (el.tag) + "> " +
-          "(v-for takes higher priority). Use a wrapper <template> for the " +
-          "scoped slot to make it clearer.",
-          el.rawAttrsMap['slot-scope'],
-          true
-        );
-      }
-      el.slotScope = slotScope;
-    }
-
-    // slot="xxx"
-    var slotTarget = getBindingAttr(el, 'slot');
-    if (slotTarget) {
-      el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget;
-      el.slotTargetDynamic = !!(el.attrsMap[':slot'] || el.attrsMap['v-bind:slot']);
-      // preserve slot as an attribute for native shadow DOM compat
-      // only for non-scoped slots.
-      if (el.tag !== 'template' && !el.slotScope) {
-        addAttr(el, 'slot', slotTarget, getRawBindingAttr(el, 'slot'));
-      }
-    }
-
-    // 2.6 v-slot syntax
-    {
-      if (el.tag === 'template') {
-        // v-slot on <template>
-        var slotBinding = getAndRemoveAttrByRegex(el, slotRE);
-        if (slotBinding) {
-          {
-            if (el.slotTarget || el.slotScope) {
-              warn$2(
-                "Unexpected mixed usage of different slot syntaxes.",
-                el
-              );
-            }
-            if (el.parent && !maybeComponent(el.parent)) {
-              warn$2(
-                "<template v-slot> can only appear at the root level inside " +
-                "the receiving component",
-                el
-              );
-            }
-          }
-          var ref = getSlotName(slotBinding);
-          var name = ref.name;
-          var dynamic = ref.dynamic;
-          el.slotTarget = name;
-          el.slotTargetDynamic = dynamic;
-          el.slotScope = slotBinding.value || emptySlotScopeToken; // force it into a scoped slot for perf
-        }
-      } else {
-        // v-slot on component, denotes default slot
-        var slotBinding$1 = getAndRemoveAttrByRegex(el, slotRE);
-        if (slotBinding$1) {
-          {
-            if (!maybeComponent(el)) {
-              warn$2(
-                "v-slot can only be used on components or <template>.",
-                slotBinding$1
-              );
-            }
-            if (el.slotScope || el.slotTarget) {
-              warn$2(
-                "Unexpected mixed usage of different slot syntaxes.",
-                el
-              );
-            }
-            if (el.scopedSlots) {
-              warn$2(
-                "To avoid scope ambiguity, the default slot should also use " +
-                "<template> syntax when there are other named slots.",
-                slotBinding$1
-              );
-            }
-          }
-          // add the component's children to its default slot
-          var slots = el.scopedSlots || (el.scopedSlots = {});
-          var ref$1 = getSlotName(slotBinding$1);
-          var name$1 = ref$1.name;
-          var dynamic$1 = ref$1.dynamic;
-          var slotContainer = slots[name$1] = createASTElement('template', [], el);
-          slotContainer.slotTarget = name$1;
-          slotContainer.slotTargetDynamic = dynamic$1;
-          slotContainer.children = el.children.filter(function (c) {
-            if (!c.slotScope) {
-              c.parent = slotContainer;
-              return true
-            }
-          });
-          slotContainer.slotScope = slotBinding$1.value || emptySlotScopeToken;
-          // remove children as they are returned from scopedSlots now
-          el.children = [];
-          // mark el non-plain so data gets generated
-          el.plain = false;
-        }
-      }
-    }
-  }
-
-  function getSlotName (binding) {
-    var name = binding.name.replace(slotRE, '');
-    if (!name) {
-      if (binding.name[0] !== '#') {
-        name = 'default';
-      } else {
-        warn$2(
-          "v-slot shorthand syntax requires a slot name.",
-          binding
-        );
-      }
-    }
-    return dynamicArgRE.test(name)
-      // dynamic [name]
-      ? { name: name.slice(1, -1), dynamic: true }
-      // static name
-      : { name: ("\"" + name + "\""), dynamic: false }
-  }
-
-  // handle <slot/> outlets
-  function processSlotOutlet (el) {
-    if (el.tag === 'slot') {
-      el.slotName = getBindingAttr(el, 'name');
-      if (el.key) {
-        warn$2(
-          "`key` does not work on <slot> because slots are abstract outlets " +
-          "and can possibly expand into multiple elements. " +
-          "Use the key on a wrapping element instead.",
-          getRawBindingAttr(el, 'key')
-        );
-      }
-    }
-  }
-
-  function processComponent (el) {
-    var binding;
-    if ((binding = getBindingAttr(el, 'is'))) {
-      el.component = binding;
-    }
-    if (getAndRemoveAttr(el, 'inline-template') != null) {
-      el.inlineTemplate = true;
-    }
-  }
-
-  function processAttrs (el) {
-    var list = el.attrsList;
-    var i, l, name, rawName, value, modifiers, syncGen, isDynamic;
-    for (i = 0, l = list.length; i < l; i++) {
-      name = rawName = list[i].name;
-      value = list[i].value;
-      if (dirRE.test(name)) {
-        // mark element as dynamic
-        el.hasBindings = true;
-        // modifiers
-        modifiers = parseModifiers(name.replace(dirRE, ''));
-        // support .foo shorthand syntax for the .prop modifier
-        if (modifiers) {
-          name = name.replace(modifierRE, '');
-        }
-        if (bindRE.test(name)) { // v-bind
-          name = name.replace(bindRE, '');
-          value = parseFilters(value);
-          isDynamic = dynamicArgRE.test(name);
-          if (isDynamic) {
-            name = name.slice(1, -1);
-          }
-          if (
-            value.trim().length === 0
-          ) {
-            warn$2(
-              ("The value for a v-bind expression cannot be empty. Found in \"v-bind:" + name + "\"")
-            );
-          }
-          if (modifiers) {
-            if (modifiers.prop && !isDynamic) {
-              name = camelize(name);
-              if (name === 'innerHtml') { name = 'innerHTML'; }
-            }
-            if (modifiers.camel && !isDynamic) {
-              name = camelize(name);
-            }
-            if (modifiers.sync) {
-              syncGen = genAssignmentCode(value, "$event");
-              if (!isDynamic) {
-                addHandler(
-                  el,
-                  ("update:" + (camelize(name))),
-                  syncGen,
-                  null,
-                  false,
-                  warn$2,
-                  list[i]
-                );
-                if (hyphenate(name) !== camelize(name)) {
-                  addHandler(
-                    el,
-                    ("update:" + (hyphenate(name))),
-                    syncGen,
-                    null,
-                    false,
-                    warn$2,
-                    list[i]
-                  );
-                }
-              } else {
-                // handler w/ dynamic event name
-                addHandler(
-                  el,
-                  ("\"update:\"+(" + name + ")"),
-                  syncGen,
-                  null,
-                  false,
-                  warn$2,
-                  list[i],
-                  true // dynamic
-                );
-              }
-            }
-          }
-          if ((modifiers && modifiers.prop) || (
-            !el.component && platformMustUseProp(el.tag, el.attrsMap.type, name)
-          )) {
-            addProp(el, name, value, list[i], isDynamic);
-          } else {
-            addAttr(el, name, value, list[i], isDynamic);
-          }
-        } else if (onRE.test(name)) { // v-on
-          name = name.replace(onRE, '');
-          isDynamic = dynamicArgRE.test(name);
-          if (isDynamic) {
-            name = name.slice(1, -1);
-          }
-          addHandler(el, name, value, modifiers, false, warn$2, list[i], isDynamic);
-        } else { // normal directives
-          name = name.replace(dirRE, '');
-          // parse arg
-          var argMatch = name.match(argRE);
-          var arg = argMatch && argMatch[1];
-          isDynamic = false;
-          if (arg) {
-            name = name.slice(0, -(arg.length + 1));
-            if (dynamicArgRE.test(arg)) {
-              arg = arg.slice(1, -1);
-              isDynamic = true;
-            }
-          }
-          addDirective(el, name, rawName, value, arg, isDynamic, modifiers, list[i]);
-          if (name === 'model') {
-            checkForAliasModel(el, value);
-          }
-        }
-      } else {
-        // literal attribute
-        {
-          var res = parseText(value, delimiters);
-          if (res) {
-            warn$2(
-              name + "=\"" + value + "\": " +
-              'Interpolation inside attributes has been removed. ' +
-              'Use v-bind or the colon shorthand instead. For example, ' +
-              'instead of <div id="{{ val }}">, use <div :id="val">.',
-              list[i]
-            );
-          }
-        }
-        addAttr(el, name, JSON.stringify(value), list[i]);
-        // #6887 firefox doesn't update muted state if set via attribute
-        // even immediately after element creation
-        if (!el.component &&
-            name === 'muted' &&
-            platformMustUseProp(el.tag, el.attrsMap.type, name)) {
-          addProp(el, name, 'true', list[i]);
-        }
-      }
-    }
-  }
-
-  function checkInFor (el) {
-    var parent = el;
-    while (parent) {
-      if (parent.for !== undefined) {
-        return true
-      }
-      parent = parent.parent;
-    }
-    return false
-  }
-
-  function parseModifiers (name) {
-    var match = name.match(modifierRE);
-    if (match) {
-      var ret = {};
-      match.forEach(function (m) { ret[m.slice(1)] = true; });
-      return ret
-    }
-  }
-
-  function makeAttrsMap (attrs) {
-    var map = {};
-    for (var i = 0, l = attrs.length; i < l; i++) {
-      if (
-        map[attrs[i].name] && !isIE && !isEdge
-      ) {
-        warn$2('duplicate attribute: ' + attrs[i].name, attrs[i]);
-      }
-      map[attrs[i].name] = attrs[i].value;
-    }
-    return map
-  }
-
-  // for script (e.g. type="x/template") or style, do not decode content
-  function isTextTag (el) {
-    return el.tag === 'script' || el.tag === 'style'
-  }
-
-  function isForbiddenTag (el) {
-    return (
-      el.tag === 'style' ||
-      (el.tag === 'script' && (
-        !el.attrsMap.type ||
-        el.attrsMap.type === 'text/javascript'
-      ))
-    )
-  }
-
-  var ieNSBug = /^xmlns:NS\d+/;
-  var ieNSPrefix = /^NS\d+:/;
-
-  /* istanbul ignore next */
-  function guardIESVGBug (attrs) {
-    var res = [];
-    for (var i = 0; i < attrs.length; i++) {
-      var attr = attrs[i];
-      if (!ieNSBug.test(attr.name)) {
-        attr.name = attr.name.replace(ieNSPrefix, '');
-        res.push(attr);
-      }
-    }
-    return res
-  }
-
-  function checkForAliasModel (el, value) {
-    var _el = el;
-    while (_el) {
-      if (_el.for && _el.alias === value) {
-        warn$2(
-          "<" + (el.tag) + " v-model=\"" + value + "\">: " +
-          "You are binding v-model directly to a v-for iteration alias. " +
-          "This will not be able to modify the v-for source array because " +
-          "writing to the alias is like modifying a function local variable. " +
-          "Consider using an array of objects and use v-model on an object property instead.",
-          el.rawAttrsMap['v-model']
-        );
-      }
-      _el = _el.parent;
-    }
-  }
-
-  /*  */
-
-  function preTransformNode (el, options) {
-    if (el.tag === 'input') {
-      var map = el.attrsMap;
-      if (!map['v-model']) {
-        return
-      }
-
-      var typeBinding;
-      if (map[':type'] || map['v-bind:type']) {
-        typeBinding = getBindingAttr(el, 'type');
-      }
-      if (!map.type && !typeBinding && map['v-bind']) {
-        typeBinding = "(" + (map['v-bind']) + ").type";
-      }
-
-      if (typeBinding) {
-        var ifCondition = getAndRemoveAttr(el, 'v-if', true);
-        var ifConditionExtra = ifCondition ? ("&&(" + ifCondition + ")") : "";
-        var hasElse = getAndRemoveAttr(el, 'v-else', true) != null;
-        var elseIfCondition = getAndRemoveAttr(el, 'v-else-if', true);
-        // 1. checkbox
-        var branch0 = cloneASTElement(el);
-        // process for on the main node
-        processFor(branch0);
-        addRawAttr(branch0, 'type', 'checkbox');
-        processElement(branch0, options);
-        branch0.processed = true; // prevent it from double-processed
-        branch0.if = "(" + typeBinding + ")==='checkbox'" + ifConditionExtra;
-        addIfCondition(branch0, {
-          exp: branch0.if,
-          block: branch0
-        });
-        // 2. add radio else-if condition
-        var branch1 = cloneASTElement(el);
-        getAndRemoveAttr(branch1, 'v-for', true);
-        addRawAttr(branch1, 'type', 'radio');
-        processElement(branch1, options);
-        addIfCondition(branch0, {
-          exp: "(" + typeBinding + ")==='radio'" + ifConditionExtra,
-          block: branch1
-        });
-        // 3. other
-        var branch2 = cloneASTElement(el);
-        getAndRemoveAttr(branch2, 'v-for', true);
-        addRawAttr(branch2, ':type', typeBinding);
-        processElement(branch2, options);
-        addIfCondition(branch0, {
-          exp: ifCondition,
-          block: branch2
-        });
-
-        if (hasElse) {
-          branch0.else = true;
-        } else if (elseIfCondition) {
-          branch0.elseif = elseIfCondition;
-        }
-
-        return branch0
-      }
-    }
-  }
-
-  function cloneASTElement (el) {
-    return createASTElement(el.tag, el.attrsList.slice(), el.parent)
-  }
-
-  var model$1 = {
-    preTransformNode: preTransformNode
+  var parseStyleText = cached(function (cssText) {
+      var res = {};
+      var listDelimiter = /;(?![^(]*\))/g;
+      var propertyDelimiter = /:(.+)/;
+      cssText.split(listDelimiter).forEach(function (item) {
+          if (item) {
+              var tmp = item.split(propertyDelimiter);
+              tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
+          }
+      });
+      return res;
+  });
+  // merge static and dynamic style data on the same vnode
+  function normalizeStyleData(data) {
+      var style = normalizeStyleBinding(data.style);
+      // static style is pre-processed into an object during compilation
+      // and is always a fresh object, so it's safe to merge into it
+      return data.staticStyle ? extend(data.staticStyle, style) : style;
+  }
+  // normalize possible array / string values into Object
+  function normalizeStyleBinding(bindingStyle) {
+      if (Array.isArray(bindingStyle)) {
+          return toObject(bindingStyle);
+      }
+      if (typeof bindingStyle === 'string') {
+          return parseStyleText(bindingStyle);
+      }
+      return bindingStyle;
+  }
+  /**
+   * parent component style should be after child's
+   * so that parent component's style could override it
+   */
+  function getStyle(vnode, checkChild) {
+      var res = {};
+      var styleData;
+      if (checkChild) {
+          var childNode = vnode;
+          while (childNode.componentInstance) {
+              childNode = childNode.componentInstance._vnode;
+              if (childNode &&
+                  childNode.data &&
+                  (styleData = normalizeStyleData(childNode.data))) {
+                  extend(res, styleData);
+              }
+          }
+      }
+      if ((styleData = normalizeStyleData(vnode.data))) {
+          extend(res, styleData);
+      }
+      var parentNode = vnode;
+      // @ts-expect-error parentNode.parent not VNodeWithData
+      while ((parentNode = parentNode.parent)) {
+          if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
+              extend(res, styleData);
+          }
+      }
+      return res;
+  }
+
+  var cssVarRE = /^--/;
+  var importantRE = /\s*!important$/;
+  var setProp = function (el, name, val) {
+      /* istanbul ignore if */
+      if (cssVarRE.test(name)) {
+          el.style.setProperty(name, val);
+      }
+      else if (importantRE.test(val)) {
+          el.style.setProperty(hyphenate(name), val.replace(importantRE, ''), 'important');
+      }
+      else {
+          var normalizedName = normalize(name);
+          if (Array.isArray(val)) {
+              // Support values array created by autoprefixer, e.g.
+              // {display: ["-webkit-box", "-ms-flexbox", "flex"]}
+              // Set them one by one, and the browser will only set those it can recognize
+              for (var i = 0, len = val.length; i < len; i++) {
+                  el.style[normalizedName] = val[i];
+              }
+          }
+          else {
+              el.style[normalizedName] = val;
+          }
+      }
+  };
+  var vendorNames = ['Webkit', 'Moz', 'ms'];
+  var emptyStyle;
+  var normalize = cached(function (prop) {
+      emptyStyle = emptyStyle || document.createElement('div').style;
+      prop = camelize(prop);
+      if (prop !== 'filter' && prop in emptyStyle) {
+          return prop;
+      }
+      var capName = prop.charAt(0).toUpperCase() + prop.slice(1);
+      for (var i = 0; i < vendorNames.length; i++) {
+          var name_1 = vendorNames[i] + capName;
+          if (name_1 in emptyStyle) {
+              return name_1;
+          }
+      }
+  });
+  function updateStyle(oldVnode, vnode) {
+      var data = vnode.data;
+      var oldData = oldVnode.data;
+      if (isUndef(data.staticStyle) &&
+          isUndef(data.style) &&
+          isUndef(oldData.staticStyle) &&
+          isUndef(oldData.style)) {
+          return;
+      }
+      var cur, name;
+      var el = vnode.elm;
+      var oldStaticStyle = oldData.staticStyle;
+      var oldStyleBinding = oldData.normalizedStyle || oldData.style || {};
+      // if static style exists, stylebinding already merged into it when doing normalizeStyleData
+      var oldStyle = oldStaticStyle || oldStyleBinding;
+      var style = normalizeStyleBinding(vnode.data.style) || {};
+      // store normalized style under a different key for next diff
+      // make sure to clone it if it's reactive, since the user likely wants
+      // to mutate it.
+      vnode.data.normalizedStyle = isDef(style.__ob__) ? extend({}, style) : style;
+      var newStyle = getStyle(vnode, true);
+      for (name in oldStyle) {
+          if (isUndef(newStyle[name])) {
+              setProp(el, name, '');
+          }
+      }
+      for (name in newStyle) {
+          cur = newStyle[name];
+          if (cur !== oldStyle[name]) {
+              // ie9 setting to null has no effect, must use empty string
+              setProp(el, name, cur == null ? '' : cur);
+          }
+      }
+  }
+  var style$1 = {
+      create: updateStyle,
+      update: updateStyle
   };
 
-  var modules$1 = [
-    klass$1,
-    style$1,
-    model$1
-  ];
-
-  /*  */
-
-  function text (el, dir) {
-    if (dir.value) {
-      addProp(el, 'textContent', ("_s(" + (dir.value) + ")"), dir);
-    }
-  }
-
-  /*  */
-
-  function html (el, dir) {
-    if (dir.value) {
-      addProp(el, 'innerHTML', ("_s(" + (dir.value) + ")"), dir);
-    }
-  }
-
-  var directives$1 = {
-    model: model,
-    text: text,
-    html: html
+  var whitespaceRE$1 = /\s+/;
+  /**
+   * Add class with compatibility for SVG since classList is not supported on
+   * SVG elements in IE
+   */
+  function addClass(el, cls) {
+      /* istanbul ignore if */
+      if (!cls || !(cls = cls.trim())) {
+          return;
+      }
+      /* istanbul ignore else */
+      if (el.classList) {
+          if (cls.indexOf(' ') > -1) {
+              cls.split(whitespaceRE$1).forEach(function (c) { return el.classList.add(c); });
+          }
+          else {
+              el.classList.add(cls);
+          }
+      }
+      else {
+          var cur = " ".concat(el.getAttribute('class') || '', " ");
+          if (cur.indexOf(' ' + cls + ' ') < 0) {
+              el.setAttribute('class', (cur + cls).trim());
+          }
+      }
+  }
+  /**
+   * Remove class with compatibility for SVG since classList is not supported on
+   * SVG elements in IE
+   */
+  function removeClass(el, cls) {
+      /* istanbul ignore if */
+      if (!cls || !(cls = cls.trim())) {
+          return;
+      }
+      /* istanbul ignore else */
+      if (el.classList) {
+          if (cls.indexOf(' ') > -1) {
+              cls.split(whitespaceRE$1).forEach(function (c) { return el.classList.remove(c); });
+          }
+          else {
+              el.classList.remove(cls);
+          }
+          if (!el.classList.length) {
+              el.removeAttribute('class');
+          }
+      }
+      else {
+          var cur = " ".concat(el.getAttribute('class') || '', " ");
+          var tar = ' ' + cls + ' ';
+          while (cur.indexOf(tar) >= 0) {
+              cur = cur.replace(tar, ' ');
+          }
+          cur = cur.trim();
+          if (cur) {
+              el.setAttribute('class', cur);
+          }
+          else {
+              el.removeAttribute('class');
+          }
+      }
+  }
+
+  function resolveTransition(def) {
+      if (!def) {
+          return;
+      }
+      /* istanbul ignore else */
+      if (typeof def === 'object') {
+          var res = {};
+          if (def.css !== false) {
+              extend(res, autoCssTransition(def.name || 'v'));
+          }
+          extend(res, def);
+          return res;
+      }
+      else if (typeof def === 'string') {
+          return autoCssTransition(def);
+      }
+  }
+  var autoCssTransition = cached(function (name) {
+      return {
+          enterClass: "".concat(name, "-enter"),
+          enterToClass: "".concat(name, "-enter-to"),
+          enterActiveClass: "".concat(name, "-enter-active"),
+          leaveClass: "".concat(name, "-leave"),
+          leaveToClass: "".concat(name, "-leave-to"),
+          leaveActiveClass: "".concat(name, "-leave-active")
+      };
+  });
+  var hasTransition = inBrowser && !isIE9;
+  var TRANSITION = 'transition';
+  var ANIMATION = 'animation';
+  // Transition property/event sniffing
+  var transitionProp = 'transition';
+  var transitionEndEvent = 'transitionend';
+  var animationProp = 'animation';
+  var animationEndEvent = 'animationend';
+  if (hasTransition) {
+      /* istanbul ignore if */
+      if (window.ontransitionend === undefined &&
+          window.onwebkittransitionend !== undefined) {
+          transitionProp = 'WebkitTransition';
+          transitionEndEvent = 'webkitTransitionEnd';
+      }
+      if (window.onanimationend === undefined &&
+          window.onwebkitanimationend !== undefined) {
+          animationProp = 'WebkitAnimation';
+          animationEndEvent = 'webkitAnimationEnd';
+      }
+  }
+  // binding to window is necessary to make hot reload work in IE in strict mode
+  var raf = inBrowser
+      ? window.requestAnimationFrame
+          ? window.requestAnimationFrame.bind(window)
+          : setTimeout
+      : /* istanbul ignore next */ function (/* istanbul ignore next */ fn) { return fn(); };
+  function nextFrame(fn) {
+      raf(function () {
+          // @ts-expect-error
+          raf(fn);
+      });
+  }
+  function addTransitionClass(el, cls) {
+      var transitionClasses = el._transitionClasses || (el._transitionClasses = []);
+      if (transitionClasses.indexOf(cls) < 0) {
+          transitionClasses.push(cls);
+          addClass(el, cls);
+      }
+  }
+  function removeTransitionClass(el, cls) {
+      if (el._transitionClasses) {
+          remove$2(el._transitionClasses, cls);
+      }
+      removeClass(el, cls);
+  }
+  function whenTransitionEnds(el, expectedType, cb) {
+      var _a = getTransitionInfo(el, expectedType), type = _a.type, timeout = _a.timeout, propCount = _a.propCount;
+      if (!type)
+          return cb();
+      var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;
+      var ended = 0;
+      var end = function () {
+          el.removeEventListener(event, onEnd);
+          cb();
+      };
+      var onEnd = function (e) {
+          if (e.target === el) {
+              if (++ended >= propCount) {
+                  end();
+              }
+          }
+      };
+      setTimeout(function () {
+          if (ended < propCount) {
+              end();
+          }
+      }, timeout + 1);
+      el.addEventListener(event, onEnd);
+  }
+  var transformRE = /\b(transform|all)(,|$)/;
+  function getTransitionInfo(el, expectedType) {
+      var styles = window.getComputedStyle(el);
+      // JSDOM may return undefined for transition properties
+      var transitionDelays = (styles[transitionProp + 'Delay'] || '').split(', ');
+      var transitionDurations = (styles[transitionProp + 'Duration'] || '').split(', ');
+      var transitionTimeout = getTimeout(transitionDelays, transitionDurations);
+      var animationDelays = (styles[animationProp + 'Delay'] || '').split(', ');
+      var animationDurations = (styles[animationProp + 'Duration'] || '').split(', ');
+      var animationTimeout = getTimeout(animationDelays, animationDurations);
+      var type;
+      var timeout = 0;
+      var propCount = 0;
+      /* istanbul ignore if */
+      if (expectedType === TRANSITION) {
+          if (transitionTimeout > 0) {
+              type = TRANSITION;
+              timeout = transitionTimeout;
+              propCount = transitionDurations.length;
+          }
+      }
+      else if (expectedType === ANIMATION) {
+          if (animationTimeout > 0) {
+              type = ANIMATION;
+              timeout = animationTimeout;
+              propCount = animationDurations.length;
+          }
+      }
+      else {
+          timeout = Math.max(transitionTimeout, animationTimeout);
+          type =
+              timeout > 0
+                  ? transitionTimeout > animationTimeout
+                      ? TRANSITION
+                      : ANIMATION
+                  : null;
+          propCount = type
+              ? type === TRANSITION
+                  ? transitionDurations.length
+                  : animationDurations.length
+              : 0;
+      }
+      var hasTransform = type === TRANSITION && transformRE.test(styles[transitionProp + 'Property']);
+      return {
+          type: type,
+          timeout: timeout,
+          propCount: propCount,
+          hasTransform: hasTransform
+      };
+  }
+  function getTimeout(delays, durations) {
+      /* istanbul ignore next */
+      while (delays.length < durations.length) {
+          delays = delays.concat(delays);
+      }
+      return Math.max.apply(null, durations.map(function (d, i) {
+          return toMs(d) + toMs(delays[i]);
+      }));
+  }
+  // Old versions of Chromium (below 61.0.3163.100) formats floating pointer numbers
+  // in a locale-dependent way, using a comma instead of a dot.
+  // If comma is not replaced with a dot, the input will be rounded down (i.e. acting
+  // as a floor function) causing unexpected behaviors
+  function toMs(s) {
+      return Number(s.slice(0, -1).replace(',', '.')) * 1000;
+  }
+
+  function enter(vnode, toggleDisplay) {
+      var el = vnode.elm;
+      // call leave callback now
+      if (isDef(el._leaveCb)) {
+          el._leaveCb.cancelled = true;
+          el._leaveCb();
+      }
+      var data = resolveTransition(vnode.data.transition);
+      if (isUndef(data)) {
+          return;
+      }
+      /* istanbul ignore if */
+      if (isDef(el._enterCb) || el.nodeType !== 1) {
+          return;
+      }
+      var css = data.css, type = data.type, enterClass = data.enterClass, enterToClass = data.enterToClass, enterActiveClass = data.enterActiveClass, appearClass = data.appearClass, appearToClass = data.appearToClass, appearActiveClass = data.appearActiveClass, beforeEnter = data.beforeEnter, enter = data.enter, afterEnter = data.afterEnter, enterCancelled = data.enterCancelled, beforeAppear = data.beforeAppear, appear = data.appear, afterAppear = data.afterAppear, appearCancelled = data.appearCancelled, duration = data.duration;
+      // activeInstance will always be the <transition> component managing this
+      // transition. One edge case to check is when the <transition> is placed
+      // as the root node of a child component. In that case we need to check
+      // <transition>'s parent for appear check.
+      var context = activeInstance;
+      var transitionNode = activeInstance.$vnode;
+      while (transitionNode && transitionNode.parent) {
+          context = transitionNode.context;
+          transitionNode = transitionNode.parent;
+      }
+      var isAppear = !context._isMounted || !vnode.isRootInsert;
+      if (isAppear && !appear && appear !== '') {
+          return;
+      }
+      var startClass = isAppear && appearClass ? appearClass : enterClass;
+      var activeClass = isAppear && appearActiveClass ? appearActiveClass : enterActiveClass;
+      var toClass = isAppear && appearToClass ? appearToClass : enterToClass;
+      var beforeEnterHook = isAppear ? beforeAppear || beforeEnter : beforeEnter;
+      var enterHook = isAppear ? (isFunction(appear) ? appear : enter) : enter;
+      var afterEnterHook = isAppear ? afterAppear || afterEnter : afterEnter;
+      var enterCancelledHook = isAppear
+          ? appearCancelled || enterCancelled
+          : enterCancelled;
+      var explicitEnterDuration = toNumber(isObject(duration) ? duration.enter : duration);
+      if (explicitEnterDuration != null) {
+          checkDuration(explicitEnterDuration, 'enter', vnode);
+      }
+      var expectsCSS = css !== false && !isIE9;
+      var userWantsControl = getHookArgumentsLength(enterHook);
+      var cb = (el._enterCb = once(function () {
+          if (expectsCSS) {
+              removeTransitionClass(el, toClass);
+              removeTransitionClass(el, activeClass);
+          }
+          // @ts-expect-error
+          if (cb.cancelled) {
+              if (expectsCSS) {
+                  removeTransitionClass(el, startClass);
+              }
+              enterCancelledHook && enterCancelledHook(el);
+          }
+          else {
+              afterEnterHook && afterEnterHook(el);
+          }
+          el._enterCb = null;
+      }));
+      if (!vnode.data.show) {
+          // remove pending leave element on enter by injecting an insert hook
+          mergeVNodeHook(vnode, 'insert', function () {
+              var parent = el.parentNode;
+              var pendingNode = parent && parent._pending && parent._pending[vnode.key];
+              if (pendingNode &&
+                  pendingNode.tag === vnode.tag &&
+                  pendingNode.elm._leaveCb) {
+                  pendingNode.elm._leaveCb();
+              }
+              enterHook && enterHook(el, cb);
+          });
+      }
+      // start enter transition
+      beforeEnterHook && beforeEnterHook(el);
+      if (expectsCSS) {
+          addTransitionClass(el, startClass);
+          addTransitionClass(el, activeClass);
+          nextFrame(function () {
+              removeTransitionClass(el, startClass);
+              // @ts-expect-error
+              if (!cb.cancelled) {
+                  addTransitionClass(el, toClass);
+                  if (!userWantsControl) {
+                      if (isValidDuration(explicitEnterDuration)) {
+                          setTimeout(cb, explicitEnterDuration);
+                      }
+                      else {
+                          whenTransitionEnds(el, type, cb);
+                      }
+                  }
+              }
+          });
+      }
+      if (vnode.data.show) {
+          toggleDisplay && toggleDisplay();
+          enterHook && enterHook(el, cb);
+      }
+      if (!expectsCSS && !userWantsControl) {
+          cb();
+      }
+  }
+  function leave(vnode, rm) {
+      var el = vnode.elm;
+      // call enter callback now
+      if (isDef(el._enterCb)) {
+          el._enterCb.cancelled = true;
+          el._enterCb();
+      }
+      var data = resolveTransition(vnode.data.transition);
+      if (isUndef(data) || el.nodeType !== 1) {
+          return rm();
+      }
+      /* istanbul ignore if */
+      if (isDef(el._leaveCb)) {
+          return;
+      }
+      var css = data.css, type = data.type, leaveClass = data.leaveClass, leaveToClass = data.leaveToClass, leaveActiveClass = data.leaveActiveClass, beforeLeave = data.beforeLeave, leave = data.leave, afterLeave = data.afterLeave, leaveCancelled = data.leaveCancelled, delayLeave = data.delayLeave, duration = data.duration;
+      var expectsCSS = css !== false && !isIE9;
+      var userWantsControl = getHookArgumentsLength(leave);
+      var explicitLeaveDuration = toNumber(isObject(duration) ? duration.leave : duration);
+      if (isDef(explicitLeaveDuration)) {
+          checkDuration(explicitLeaveDuration, 'leave', vnode);
+      }
+      var cb = (el._leaveCb = once(function () {
+          if (el.parentNode && el.parentNode._pending) {
+              el.parentNode._pending[vnode.key] = null;
+          }
+          if (expectsCSS) {
+              removeTransitionClass(el, leaveToClass);
+              removeTransitionClass(el, leaveActiveClass);
+          }
+          // @ts-expect-error
+          if (cb.cancelled) {
+              if (expectsCSS) {
+                  removeTransitionClass(el, leaveClass);
+              }
+              leaveCancelled && leaveCancelled(el);
+          }
+          else {
+              rm();
+              afterLeave && afterLeave(el);
+          }
+          el._leaveCb = null;
+      }));
+      if (delayLeave) {
+          delayLeave(performLeave);
+      }
+      else {
+          performLeave();
+      }
+      function performLeave() {
+          // the delayed leave may have already been cancelled
+          // @ts-expect-error
+          if (cb.cancelled) {
+              return;
+          }
+          // record leaving element
+          if (!vnode.data.show && el.parentNode) {
+              (el.parentNode._pending || (el.parentNode._pending = {}))[vnode.key] =
+                  vnode;
+          }
+          beforeLeave && beforeLeave(el);
+          if (expectsCSS) {
+              addTransitionClass(el, leaveClass);
+              addTransitionClass(el, leaveActiveClass);
+              nextFrame(function () {
+                  removeTransitionClass(el, leaveClass);
+                  // @ts-expect-error
+                  if (!cb.cancelled) {
+                      addTransitionClass(el, leaveToClass);
+                      if (!userWantsControl) {
+                          if (isValidDuration(explicitLeaveDuration)) {
+                              setTimeout(cb, explicitLeaveDuration);
+                          }
+                          else {
+                              whenTransitionEnds(el, type, cb);
+                          }
+                      }
+                  }
+              });
+          }
+          leave && leave(el, cb);
+          if (!expectsCSS && !userWantsControl) {
+              cb();
+          }
+      }
+  }
+  // only used in dev mode
+  function checkDuration(val, name, vnode) {
+      if (typeof val !== 'number') {
+          warn$2("<transition> explicit ".concat(name, " duration is not a valid number - ") +
+              "got ".concat(JSON.stringify(val), "."), vnode.context);
+      }
+      else if (isNaN(val)) {
+          warn$2("<transition> explicit ".concat(name, " duration is NaN - ") +
+              'the duration expression might be incorrect.', vnode.context);
+      }
+  }
+  function isValidDuration(val) {
+      return typeof val === 'number' && !isNaN(val);
+  }
+  /**
+   * Normalize a transition hook's argument length. The hook may be:
+   * - a merged hook (invoker) with the original in .fns
+   * - a wrapped component method (check ._length)
+   * - a plain function (.length)
+   */
+  function getHookArgumentsLength(fn) {
+      if (isUndef(fn)) {
+          return false;
+      }
+      // @ts-expect-error
+      var invokerFns = fn.fns;
+      if (isDef(invokerFns)) {
+          // invoker
+          return getHookArgumentsLength(Array.isArray(invokerFns) ? invokerFns[0] : invokerFns);
+      }
+      else {
+          // @ts-expect-error
+          return (fn._length || fn.length) > 1;
+      }
+  }
+  function _enter(_, vnode) {
+      if (vnode.data.show !== true) {
+          enter(vnode);
+      }
+  }
+  var transition = inBrowser
+      ? {
+          create: _enter,
+          activate: _enter,
+          remove: function (vnode, rm) {
+              /* istanbul ignore else */
+              if (vnode.data.show !== true) {
+                  // @ts-expect-error
+                  leave(vnode, rm);
+              }
+              else {
+                  rm();
+              }
+          }
+      }
+      : {};
+
+  var platformModules = [attrs, klass$1, events, domProps, style$1, transition];
+
+  // the directive module should be applied last, after all
+  // built-in modules have been applied.
+  var modules$1 = platformModules.concat(baseModules);
+  var patch = createPatchFunction({ nodeOps: nodeOps, modules: modules$1 });
+
+  /**
+   * Not type checking this file because flow doesn't like attaching
+   * properties to Elements.
+   */
+  /* istanbul ignore if */
+  if (isIE9) {
+      // http://www.matts411.com/post/internet-explorer-9-oninput/
+      document.addEventListener('selectionchange', function () {
+          var el = document.activeElement;
+          // @ts-expect-error
+          if (el && el.vmodel) {
+              trigger(el, 'input');
+          }
+      });
+  }
+  var directive = {
+      inserted: function (el, binding, vnode, oldVnode) {
+          if (vnode.tag === 'select') {
+              // #6903
+              if (oldVnode.elm && !oldVnode.elm._vOptions) {
+                  mergeVNodeHook(vnode, 'postpatch', function () {
+                      directive.componentUpdated(el, binding, vnode);
+                  });
+              }
+              else {
+                  setSelected(el, binding, vnode.context);
+              }
+              el._vOptions = [].map.call(el.options, getValue);
+          }
+          else if (vnode.tag === 'textarea' || isTextInputType(el.type)) {
+              el._vModifiers = binding.modifiers;
+              if (!binding.modifiers.lazy) {
+                  el.addEventListener('compositionstart', onCompositionStart);
+                  el.addEventListener('compositionend', onCompositionEnd);
+                  // Safari < 10.2 & UIWebView doesn't fire compositionend when
+                  // switching focus before confirming composition choice
+                  // this also fixes the issue where some browsers e.g. iOS Chrome
+                  // fires "change" instead of "input" on autocomplete.
+                  el.addEventListener('change', onCompositionEnd);
+                  /* istanbul ignore if */
+                  if (isIE9) {
+                      el.vmodel = true;
+                  }
+              }
+          }
+      },
+      componentUpdated: function (el, binding, vnode) {
+          if (vnode.tag === 'select') {
+              setSelected(el, binding, vnode.context);
+              // in case the options rendered by v-for have changed,
+              // it's possible that the value is out-of-sync with the rendered options.
+              // detect such cases and filter out values that no longer has a matching
+              // option in the DOM.
+              var prevOptions_1 = el._vOptions;
+              var curOptions_1 = (el._vOptions = [].map.call(el.options, getValue));
+              if (curOptions_1.some(function (o, i) { return !looseEqual(o, prevOptions_1[i]); })) {
+                  // trigger change event if
+                  // no matching option found for at least one value
+                  var needReset = el.multiple
+                      ? binding.value.some(function (v) { return hasNoMatchingOption(v, curOptions_1); })
+                      : binding.value !== binding.oldValue &&
+                          hasNoMatchingOption(binding.value, curOptions_1);
+                  if (needReset) {
+                      trigger(el, 'change');
+                  }
+              }
+          }
+      }
+  };
+  function setSelected(el, binding, vm) {
+      actuallySetSelected(el, binding, vm);
+      /* istanbul ignore if */
+      if (isIE || isEdge) {
+          setTimeout(function () {
+              actuallySetSelected(el, binding, vm);
+          }, 0);
+      }
+  }
+  function actuallySetSelected(el, binding, vm) {
+      var value = binding.value;
+      var isMultiple = el.multiple;
+      if (isMultiple && !Array.isArray(value)) {
+          warn$2("<select multiple v-model=\"".concat(binding.expression, "\"> ") +
+                  "expects an Array value for its binding, but got ".concat(Object.prototype.toString
+                      .call(value)
+                      .slice(8, -1)), vm);
+          return;
+      }
+      var selected, option;
+      for (var i = 0, l = el.options.length; i < l; i++) {
+          option = el.options[i];
+          if (isMultiple) {
+              selected = looseIndexOf(value, getValue(option)) > -1;
+              if (option.selected !== selected) {
+                  option.selected = selected;
+              }
+          }
+          else {
+              if (looseEqual(getValue(option), value)) {
+                  if (el.selectedIndex !== i) {
+                      el.selectedIndex = i;
+                  }
+                  return;
+              }
+          }
+      }
+      if (!isMultiple) {
+          el.selectedIndex = -1;
+      }
+  }
+  function hasNoMatchingOption(value, options) {
+      return options.every(function (o) { return !looseEqual(o, value); });
+  }
+  function getValue(option) {
+      return '_value' in option ? option._value : option.value;
+  }
+  function onCompositionStart(e) {
+      e.target.composing = true;
+  }
+  function onCompositionEnd(e) {
+      // prevent triggering an input event for no reason
+      if (!e.target.composing)
+          return;
+      e.target.composing = false;
+      trigger(e.target, 'input');
+  }
+  function trigger(el, type) {
+      var e = document.createEvent('HTMLEvents');
+      e.initEvent(type, true, true);
+      el.dispatchEvent(e);
+  }
+
+  // recursively search for possible transition defined inside the component root
+  function locateNode(vnode) {
+      // @ts-expect-error
+      return vnode.componentInstance && (!vnode.data || !vnode.data.transition)
+          ? locateNode(vnode.componentInstance._vnode)
+          : vnode;
+  }
+  var show = {
+      bind: function (el, _a, vnode) {
+          var value = _a.value;
+          vnode = locateNode(vnode);
+          var transition = vnode.data && vnode.data.transition;
+          var originalDisplay = (el.__vOriginalDisplay =
+              el.style.display === 'none' ? '' : el.style.display);
+          if (value && transition) {
+              vnode.data.show = true;
+              enter(vnode, function () {
+                  el.style.display = originalDisplay;
+              });
+          }
+          else {
+              el.style.display = value ? originalDisplay : 'none';
+          }
+      },
+      update: function (el, _a, vnode) {
+          var value = _a.value, oldValue = _a.oldValue;
+          /* istanbul ignore if */
+          if (!value === !oldValue)
+              return;
+          vnode = locateNode(vnode);
+          var transition = vnode.data && vnode.data.transition;
+          if (transition) {
+              vnode.data.show = true;
+              if (value) {
+                  enter(vnode, function () {
+                      el.style.display = el.__vOriginalDisplay;
+                  });
+              }
+              else {
+                  leave(vnode, function () {
+                      el.style.display = 'none';
+                  });
+              }
+          }
+          else {
+              el.style.display = value ? el.__vOriginalDisplay : 'none';
+          }
+      },
+      unbind: function (el, binding, vnode, oldVnode, isDestroy) {
+          if (!isDestroy) {
+              el.style.display = el.__vOriginalDisplay;
+          }
+      }
   };
 
-  /*  */
-
-  var baseOptions = {
-    expectHTML: true,
-    modules: modules$1,
-    directives: directives$1,
-    isPreTag: isPreTag,
-    isUnaryTag: isUnaryTag,
-    mustUseProp: mustUseProp,
-    canBeLeftOpenTag: canBeLeftOpenTag,
-    isReservedTag: isReservedTag,
-    getTagNamespace: getTagNamespace,
-    staticKeys: genStaticKeys(modules$1)
+  var platformDirectives = {
+      model: directive,
+      show: show
   };
 
-  /*  */
-
-  var isStaticKey;
-  var isPlatformReservedTag;
-
-  var genStaticKeysCached = cached(genStaticKeys$1);
-
-  /**
-   * Goal of the optimizer: walk the generated template AST tree
-   * and detect sub-trees that are purely static, i.e. parts of
-   * the DOM that never needs to change.
-   *
-   * Once we detect these sub-trees, we can:
-   *
-   * 1. Hoist them into constants, so that we no longer need to
-   *    create fresh nodes for them on each re-render;
-   * 2. Completely skip them in the patching process.
-   */
-  function optimize (root, options) {
-    if (!root) { return }
-    isStaticKey = genStaticKeysCached(options.staticKeys || '');
-    isPlatformReservedTag = options.isReservedTag || no;
-    // first pass: mark all non-static nodes.
-    markStatic$1(root);
-    // second pass: mark static roots.
-    markStaticRoots(root, false);
-  }
-
-  function genStaticKeys$1 (keys) {
-    return makeMap(
-      'type,tag,attrsList,attrsMap,plain,parent,children,attrs,start,end,rawAttrsMap' +
-      (keys ? ',' + keys : '')
-    )
-  }
-
-  function markStatic$1 (node) {
-    node.static = isStatic(node);
-    if (node.type === 1) {
-      // do not make component slot content static. this avoids
-      // 1. components not able to mutate slot nodes
-      // 2. static slot content fails for hot-reloading
-      if (
-        !isPlatformReservedTag(node.tag) &&
-        node.tag !== 'slot' &&
-        node.attrsMap['inline-template'] == null
-      ) {
-        return
-      }
-      for (var i = 0, l = node.children.length; i < l; i++) {
-        var child = node.children[i];
-        markStatic$1(child);
-        if (!child.static) {
-          node.static = false;
-        }
-      }
-      if (node.ifConditions) {
-        for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
-          var block = node.ifConditions[i$1].block;
-          markStatic$1(block);
-          if (!block.static) {
-            node.static = false;
-          }
-        }
-      }
-    }
-  }
-
-  function markStaticRoots (node, isInFor) {
-    if (node.type === 1) {
-      if (node.static || node.once) {
-        node.staticInFor = isInFor;
-      }
-      // For a node to qualify as a static root, it should have children that
-      // are not just static text. Otherwise the cost of hoisting out will
-      // outweigh the benefits and it's better off to just always render it fresh.
-      if (node.static && node.children.length && !(
-        node.children.length === 1 &&
-        node.children[0].type === 3
-      )) {
-        node.staticRoot = true;
-        return
-      } else {
-        node.staticRoot = false;
-      }
-      if (node.children) {
-        for (var i = 0, l = node.children.length; i < l; i++) {
-          markStaticRoots(node.children[i], isInFor || !!node.for);
-        }
-      }
-      if (node.ifConditions) {
-        for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
-          markStaticRoots(node.ifConditions[i$1].block, isInFor);
-        }
-      }
-    }
-  }
-
-  function isStatic (node) {
-    if (node.type === 2) { // expression
-      return false
-    }
-    if (node.type === 3) { // text
-      return true
-    }
-    return !!(node.pre || (
-      !node.hasBindings && // no dynamic bindings
-      !node.if && !node.for && // not v-if or v-for or v-else
-      !isBuiltInTag(node.tag) && // not a built-in
-      isPlatformReservedTag(node.tag) && // not a component
-      !isDirectChildOfTemplateFor(node) &&
-      Object.keys(node).every(isStaticKey)
-    ))
-  }
-
-  function isDirectChildOfTemplateFor (node) {
-    while (node.parent) {
-      node = node.parent;
-      if (node.tag !== 'template') {
-        return false
-      }
-      if (node.for) {
-        return true
-      }
-    }
-    return false
-  }
-
-  /*  */
-
-  var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function(?:\s+[\w$]+)?\s*\(/;
-  var fnInvokeRE = /\([^)]*?\);*$/;
-  var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;
-
-  // KeyboardEvent.keyCode aliases
-  var keyCodes = {
-    esc: 27,
-    tab: 9,
-    enter: 13,
-    space: 32,
-    up: 38,
-    left: 37,
-    right: 39,
-    down: 40,
-    'delete': [8, 46]
+  // Provides transition support for a single element/component.
+  var transitionProps = {
+      name: String,
+      appear: Boolean,
+      css: Boolean,
+      mode: String,
+      type: String,
+      enterClass: String,
+      leaveClass: String,
+      enterToClass: String,
+      leaveToClass: String,
+      enterActiveClass: String,
+      leaveActiveClass: String,
+      appearClass: String,
+      appearActiveClass: String,
+      appearToClass: String,
+      duration: [Number, String, Object]
+  };
+  // in case the child is also an abstract component, e.g. <keep-alive>
+  // we want to recursively retrieve the real component to be rendered
+  function getRealChild(vnode) {
+      var compOptions = vnode && vnode.componentOptions;
+      if (compOptions && compOptions.Ctor.options.abstract) {
+          return getRealChild(getFirstComponentChild(compOptions.children));
+      }
+      else {
+          return vnode;
+      }
+  }
+  function extractTransitionData(comp) {
+      var data = {};
+      var options = comp.$options;
+      // props
+      for (var key in options.propsData) {
+          data[key] = comp[key];
+      }
+      // events.
+      // extract listeners and pass them directly to the transition methods
+      var listeners = options._parentListeners;
+      for (var key in listeners) {
+          data[camelize(key)] = listeners[key];
+      }
+      return data;
+  }
+  function placeholder(h, rawChild) {
+      // @ts-expect-error
+      if (/\d-keep-alive$/.test(rawChild.tag)) {
+          return h('keep-alive', {
+              props: rawChild.componentOptions.propsData
+          });
+      }
+  }
+  function hasParentTransition(vnode) {
+      while ((vnode = vnode.parent)) {
+          if (vnode.data.transition) {
+              return true;
+          }
+      }
+  }
+  function isSameChild(child, oldChild) {
+      return oldChild.key === child.key && oldChild.tag === child.tag;
+  }
+  var isNotTextNode = function (c) { return c.tag || isAsyncPlaceholder(c); };
+  var isVShowDirective = function (d) { return d.name === 'show'; };
+  var Transition = {
+      name: 'transition',
+      props: transitionProps,
+      abstract: true,
+      render: function (h) {
+          var _this = this;
+          var children = this.$slots.default;
+          if (!children) {
+              return;
+          }
+          // filter out text nodes (possible whitespaces)
+          children = children.filter(isNotTextNode);
+          /* istanbul ignore if */
+          if (!children.length) {
+              return;
+          }
+          // warn multiple elements
+          if (children.length > 1) {
+              warn$2('<transition> can only be used on a single element. Use ' +
+                  '<transition-group> for lists.', this.$parent);
+          }
+          var mode = this.mode;
+          // warn invalid mode
+          if (mode && mode !== 'in-out' && mode !== 'out-in') {
+              warn$2('invalid <transition> mode: ' + mode, this.$parent);
+          }
+          var rawChild = children[0];
+          // if this is a component root node and the component's
+          // parent container node also has transition, skip.
+          if (hasParentTransition(this.$vnode)) {
+              return rawChild;
+          }
+          // apply transition data to child
+          // use getRealChild() to ignore abstract components e.g. keep-alive
+          var child = getRealChild(rawChild);
+          /* istanbul ignore if */
+          if (!child) {
+              return rawChild;
+          }
+          if (this._leaving) {
+              return placeholder(h, rawChild);
+          }
+          // ensure a key that is unique to the vnode type and to this transition
+          // component instance. This key will be used to remove pending leaving nodes
+          // during entering.
+          var id = "__transition-".concat(this._uid, "-");
+          child.key =
+              child.key == null
+                  ? child.isComment
+                      ? id + 'comment'
+                      : id + child.tag
+                  : isPrimitive(child.key)
+                      ? String(child.key).indexOf(id) === 0
+                          ? child.key
+                          : id + child.key
+                      : child.key;
+          var data = ((child.data || (child.data = {})).transition =
+              extractTransitionData(this));
+          var oldRawChild = this._vnode;
+          var oldChild = getRealChild(oldRawChild);
+          // mark v-show
+          // so that the transition module can hand over the control to the directive
+          if (child.data.directives && child.data.directives.some(isVShowDirective)) {
+              child.data.show = true;
+          }
+          if (oldChild &&
+              oldChild.data &&
+              !isSameChild(child, oldChild) &&
+              !isAsyncPlaceholder(oldChild) &&
+              // #6687 component root is a comment node
+              !(oldChild.componentInstance &&
+                  oldChild.componentInstance._vnode.isComment)) {
+              // replace old child transition data with fresh one
+              // important for dynamic transitions!
+              var oldData = (oldChild.data.transition = extend({}, data));
+              // handle transition mode
+              if (mode === 'out-in') {
+                  // return placeholder node and queue update when leave finishes
+                  this._leaving = true;
+                  mergeVNodeHook(oldData, 'afterLeave', function () {
+                      _this._leaving = false;
+                      _this.$forceUpdate();
+                  });
+                  return placeholder(h, rawChild);
+              }
+              else if (mode === 'in-out') {
+                  if (isAsyncPlaceholder(child)) {
+                      return oldRawChild;
+                  }
+                  var delayedLeave_1;
+                  var performLeave = function () {
+                      delayedLeave_1();
+                  };
+                  mergeVNodeHook(data, 'afterEnter', performLeave);
+                  mergeVNodeHook(data, 'enterCancelled', performLeave);
+                  mergeVNodeHook(oldData, 'delayLeave', function (leave) {
+                      delayedLeave_1 = leave;
+                  });
+              }
+          }
+          return rawChild;
+      }
   };
 
-  // KeyboardEvent.key aliases
-  var keyNames = {
-    // #7880: IE11 and Edge use `Esc` for Escape key name.
-    esc: ['Esc', 'Escape'],
-    tab: 'Tab',
-    enter: 'Enter',
-    // #9112: IE11 uses `Spacebar` for Space key name.
-    space: [' ', 'Spacebar'],
-    // #7806: IE11 uses key names without `Arrow` prefix for arrow keys.
-    up: ['Up', 'ArrowUp'],
-    left: ['Left', 'ArrowLeft'],
-    right: ['Right', 'ArrowRight'],
-    down: ['Down', 'ArrowDown'],
-    // #9112: IE11 uses `Del` for Delete key name.
-    'delete': ['Backspace', 'Delete', 'Del']
+  // Provides transition support for list items.
+  var props = extend({
+      tag: String,
+      moveClass: String
+  }, transitionProps);
+  delete props.mode;
+  var TransitionGroup = {
+      props: props,
+      beforeMount: function () {
+          var _this = this;
+          var update = this._update;
+          this._update = function (vnode, hydrating) {
+              var restoreActiveInstance = setActiveInstance(_this);
+              // force removing pass
+              _this.__patch__(_this._vnode, _this.kept, false, // hydrating
+              true // removeOnly (!important, avoids unnecessary moves)
+              );
+              _this._vnode = _this.kept;
+              restoreActiveInstance();
+              update.call(_this, vnode, hydrating);
+          };
+      },
+      render: function (h) {
+          var tag = this.tag || this.$vnode.data.tag || 'span';
+          var map = Object.create(null);
+          var prevChildren = (this.prevChildren = this.children);
+          var rawChildren = this.$slots.default || [];
+          var children = (this.children = []);
+          var transitionData = extractTransitionData(this);
+          for (var i = 0; i < rawChildren.length; i++) {
+              var c = rawChildren[i];
+              if (c.tag) {
+                  if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {
+                      children.push(c);
+                      map[c.key] = c;
+                      (c.data || (c.data = {})).transition = transitionData;
+                  }
+                  else {
+                      var opts = c.componentOptions;
+                      var name_1 = opts
+                          ? opts.Ctor.options.name || opts.tag || ''
+                          : c.tag;
+                      warn$2("<transition-group> children must be keyed: <".concat(name_1, ">"));
+                  }
+              }
+          }
+          if (prevChildren) {
+              var kept = [];
+              var removed = [];
+              for (var i = 0; i < prevChildren.length; i++) {
+                  var c = prevChildren[i];
+                  c.data.transition = transitionData;
+                  // @ts-expect-error .getBoundingClientRect is not typed in Node
+                  c.data.pos = c.elm.getBoundingClientRect();
+                  if (map[c.key]) {
+                      kept.push(c);
+                  }
+                  else {
+                      removed.push(c);
+                  }
+              }
+              this.kept = h(tag, null, kept);
+              this.removed = removed;
+          }
+          return h(tag, null, children);
+      },
+      updated: function () {
+          var children = this.prevChildren;
+          var moveClass = this.moveClass || (this.name || 'v') + '-move';
+          if (!children.length || !this.hasMove(children[0].elm, moveClass)) {
+              return;
+          }
+          // we divide the work into three loops to avoid mixing DOM reads and writes
+          // in each iteration - which helps prevent layout thrashing.
+          children.forEach(callPendingCbs);
+          children.forEach(recordPosition);
+          children.forEach(applyTranslation);
+          // force reflow to put everything in position
+          // assign to this to avoid being removed in tree-shaking
+          // $flow-disable-line
+          this._reflow = document.body.offsetHeight;
+          children.forEach(function (c) {
+              if (c.data.moved) {
+                  var el_1 = c.elm;
+                  var s = el_1.style;
+                  addTransitionClass(el_1, moveClass);
+                  s.transform = s.WebkitTransform = s.transitionDuration = '';
+                  el_1.addEventListener(transitionEndEvent, (el_1._moveCb = function cb(e) {
+                      if (e && e.target !== el_1) {
+                          return;
+                      }
+                      if (!e || /transform$/.test(e.propertyName)) {
+                          el_1.removeEventListener(transitionEndEvent, cb);
+                          el_1._moveCb = null;
+                          removeTransitionClass(el_1, moveClass);
+                      }
+                  }));
+              }
+          });
+      },
+      methods: {
+          hasMove: function (el, moveClass) {
+              /* istanbul ignore if */
+              if (!hasTransition) {
+                  return false;
+              }
+              /* istanbul ignore if */
+              if (this._hasMove) {
+                  return this._hasMove;
+              }
+              // Detect whether an element with the move class applied has
+              // CSS transitions. Since the element may be inside an entering
+              // transition at this very moment, we make a clone of it and remove
+              // all other transition classes applied to ensure only the move class
+              // is applied.
+              var clone = el.cloneNode();
+              if (el._transitionClasses) {
+                  el._transitionClasses.forEach(function (cls) {
+                      removeClass(clone, cls);
+                  });
+              }
+              addClass(clone, moveClass);
+              clone.style.display = 'none';
+              this.$el.appendChild(clone);
+              var info = getTransitionInfo(clone);
+              this.$el.removeChild(clone);
+              return (this._hasMove = info.hasTransform);
+          }
+      }
+  };
+  function callPendingCbs(c) {
+      /* istanbul ignore if */
+      if (c.elm._moveCb) {
+          c.elm._moveCb();
+      }
+      /* istanbul ignore if */
+      if (c.elm._enterCb) {
+          c.elm._enterCb();
+      }
+  }
+  function recordPosition(c) {
+      c.data.newPos = c.elm.getBoundingClientRect();
+  }
+  function applyTranslation(c) {
+      var oldPos = c.data.pos;
+      var newPos = c.data.newPos;
+      var dx = oldPos.left - newPos.left;
+      var dy = oldPos.top - newPos.top;
+      if (dx || dy) {
+          c.data.moved = true;
+          var s = c.elm.style;
+          s.transform = s.WebkitTransform = "translate(".concat(dx, "px,").concat(dy, "px)");
+          s.transitionDuration = '0s';
+      }
+  }
+
+  var platformComponents = {
+      Transition: Transition,
+      TransitionGroup: TransitionGroup
   };
 
-  // #4868: modifiers that prevent the execution of the listener
-  // need to explicitly return null so that we can determine whether to remove
-  // the listener for .once
-  var genGuard = function (condition) { return ("if(" + condition + ")return null;"); };
-
-  var modifierCode = {
-    stop: '$event.stopPropagation();',
-    prevent: '$event.preventDefault();',
-    self: genGuard("$event.target !== $event.currentTarget"),
-    ctrl: genGuard("!$event.ctrlKey"),
-    shift: genGuard("!$event.shiftKey"),
-    alt: genGuard("!$event.altKey"),
-    meta: genGuard("!$event.metaKey"),
-    left: genGuard("'button' in $event && $event.button !== 0"),
-    middle: genGuard("'button' in $event && $event.button !== 1"),
-    right: genGuard("'button' in $event && $event.button !== 2")
+  // install platform specific utils
+  Vue.config.mustUseProp = mustUseProp;
+  Vue.config.isReservedTag = isReservedTag;
+  Vue.config.isReservedAttr = isReservedAttr;
+  Vue.config.getTagNamespace = getTagNamespace;
+  Vue.config.isUnknownElement = isUnknownElement;
+  // install platform runtime directives & components
+  extend(Vue.options.directives, platformDirectives);
+  extend(Vue.options.components, platformComponents);
+  // install platform patch function
+  Vue.prototype.__patch__ = inBrowser ? patch : noop;
+  // public mount method
+  Vue.prototype.$mount = function (el, hydrating) {
+      el = el && inBrowser ? query(el) : undefined;
+      return mountComponent(this, el, hydrating);
+  };
+  // devtools global hook
+  /* istanbul ignore next */
+  if (inBrowser) {
+      setTimeout(function () {
+          if (config.devtools) {
+              if (devtools) {
+                  devtools.emit('init', Vue);
+              }
+              else {
+                  // @ts-expect-error
+                  console[console.info ? 'info' : 'log']('Download the Vue Devtools extension for a better development experience:\n' +
+                      'https://github.com/vuejs/vue-devtools');
+              }
+          }
+          if (config.productionTip !== false &&
+              typeof console !== 'undefined') {
+              // @ts-expect-error
+              console[console.info ? 'info' : 'log']("You are running Vue in development mode.\n" +
+                  "Make sure to turn on production mode when deploying for production.\n" +
+                  "See more tips at https://vuejs.org/guide/deployment.html");
+          }
+      }, 0);
+  }
+
+  var defaultTagRE = /\{\{((?:.|\r?\n)+?)\}\}/g;
+  var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g;
+  var buildRegex = cached(function (delimiters) {
+      var open = delimiters[0].replace(regexEscapeRE, '\\$&');
+      var close = delimiters[1].replace(regexEscapeRE, '\\$&');
+      return new RegExp(open + '((?:.|\\n)+?)' + close, 'g');
+  });
+  function parseText(text, delimiters) {
+      //@ts-expect-error
+      var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE;
+      if (!tagRE.test(text)) {
+          return;
+      }
+      var tokens = [];
+      var rawTokens = [];
+      var lastIndex = (tagRE.lastIndex = 0);
+      var match, index, tokenValue;
+      while ((match = tagRE.exec(text))) {
+          index = match.index;
+          // push text token
+          if (index > lastIndex) {
+              rawTokens.push((tokenValue = text.slice(lastIndex, index)));
+              tokens.push(JSON.stringify(tokenValue));
+          }
+          // tag token
+          var exp = parseFilters(match[1].trim());
+          tokens.push("_s(".concat(exp, ")"));
+          rawTokens.push({ '@binding': exp });
+          lastIndex = index + match[0].length;
+      }
+      if (lastIndex < text.length) {
+          rawTokens.push((tokenValue = text.slice(lastIndex)));
+          tokens.push(JSON.stringify(tokenValue));
+      }
+      return {
+          expression: tokens.join('+'),
+          tokens: rawTokens
+      };
+  }
+
+  function transformNode$1(el, options) {
+      var warn = options.warn || baseWarn;
+      var staticClass = getAndRemoveAttr(el, 'class');
+      if (staticClass) {
+          var res = parseText(staticClass, options.delimiters);
+          if (res) {
+              warn("class=\"".concat(staticClass, "\": ") +
+                  'Interpolation inside attributes has been removed. ' +
+                  'Use v-bind or the colon shorthand instead. For example, ' +
+                  'instead of <div class="{{ val }}">, use <div :class="val">.', el.rawAttrsMap['class']);
+          }
+      }
+      if (staticClass) {
+          el.staticClass = JSON.stringify(staticClass.replace(/\s+/g, ' ').trim());
+      }
+      var classBinding = getBindingAttr(el, 'class', false /* getStatic */);
+      if (classBinding) {
+          el.classBinding = classBinding;
+      }
+  }
+  function genData$2(el) {
+      var data = '';
+      if (el.staticClass) {
+          data += "staticClass:".concat(el.staticClass, ",");
+      }
+      if (el.classBinding) {
+          data += "class:".concat(el.classBinding, ",");
+      }
+      return data;
+  }
+  var klass = {
+      staticKeys: ['staticClass'],
+      transformNode: transformNode$1,
+      genData: genData$2
   };
 
-  function genHandlers (
-    events,
-    isNative
-  ) {
-    var prefix = isNative ? 'nativeOn:' : 'on:';
-    var staticHandlers = "";
-    var dynamicHandlers = "";
-    for (var name in events) {
-      var handlerCode = genHandler(events[name]);
-      if (events[name] && events[name].dynamic) {
-        dynamicHandlers += name + "," + handlerCode + ",";
-      } else {
-        staticHandlers += "\"" + name + "\":" + handlerCode + ",";
-      }
-    }
-    staticHandlers = "{" + (staticHandlers.slice(0, -1)) + "}";
-    if (dynamicHandlers) {
-      return prefix + "_d(" + staticHandlers + ",[" + (dynamicHandlers.slice(0, -1)) + "])"
-    } else {
-      return prefix + staticHandlers
-    }
-  }
-
-  function genHandler (handler) {
-    if (!handler) {
-      return 'function(){}'
-    }
-
-    if (Array.isArray(handler)) {
-      return ("[" + (handler.map(function (handler) { return genHandler(handler); }).join(',')) + "]")
-    }
-
-    var isMethodPath = simplePathRE.test(handler.value);
-    var isFunctionExpression = fnExpRE.test(handler.value);
-    var isFunctionInvocation = simplePathRE.test(handler.value.replace(fnInvokeRE, ''));
-
-    if (!handler.modifiers) {
-      if (isMethodPath || isFunctionExpression) {
-        return handler.value
-      }
-      return ("function($event){" + (isFunctionInvocation ? ("return " + (handler.value)) : handler.value) + "}") // inline statement
-    } else {
-      var code = '';
-      var genModifierCode = '';
-      var keys = [];
-      for (var key in handler.modifiers) {
-        if (modifierCode[key]) {
-          genModifierCode += modifierCode[key];
-          // left/right
-          if (keyCodes[key]) {
-            keys.push(key);
-          }
-        } else if (key === 'exact') {
-          var modifiers = (handler.modifiers);
-          genModifierCode += genGuard(
-            ['ctrl', 'shift', 'alt', 'meta']
-              .filter(function (keyModifier) { return !modifiers[keyModifier]; })
-              .map(function (keyModifier) { return ("$event." + keyModifier + "Key"); })
-              .join('||')
-          );
-        } else {
-          keys.push(key);
-        }
-      }
-      if (keys.length) {
-        code += genKeyFilter(keys);
-      }
-      // Make sure modifiers like prevent and stop get executed after key filtering
-      if (genModifierCode) {
-        code += genModifierCode;
-      }
-      var handlerCode = isMethodPath
-        ? ("return " + (handler.value) + ".apply(null, arguments)")
-        : isFunctionExpression
-          ? ("return (" + (handler.value) + ").apply(null, arguments)")
-          : isFunctionInvocation
-            ? ("return " + (handler.value))
-            : handler.value;
-      return ("function($event){" + code + handlerCode + "}")
-    }
-  }
-
-  function genKeyFilter (keys) {
-    return (
-      // make sure the key filters only apply to KeyboardEvents
-      // #9441: can't use 'keyCode' in $event because Chrome autofill fires fake
-      // key events that do not have keyCode property...
-      "if(!$event.type.indexOf('key')&&" +
-      (keys.map(genFilterCode).join('&&')) + ")return null;"
-    )
-  }
-
-  function genFilterCode (key) {
-    var keyVal = parseInt(key, 10);
-    if (keyVal) {
-      return ("$event.keyCode!==" + keyVal)
-    }
-    var keyCode = keyCodes[key];
-    var keyName = keyNames[key];
-    return (
-      "_k($event.keyCode," +
-      (JSON.stringify(key)) + "," +
-      (JSON.stringify(keyCode)) + "," +
-      "$event.key," +
-      "" + (JSON.stringify(keyName)) +
-      ")"
-    )
-  }
-
-  /*  */
-
-  function on (el, dir) {
-    if (dir.modifiers) {
-      warn("v-on without argument does not support modifiers.");
-    }
-    el.wrapListeners = function (code) { return ("_g(" + code + "," + (dir.value) + ")"); };
-  }
-
-  /*  */
-
-  function bind$1 (el, dir) {
-    el.wrapData = function (code) {
-      return ("_b(" + code + ",'" + (el.tag) + "'," + (dir.value) + "," + (dir.modifiers && dir.modifiers.prop ? 'true' : 'false') + (dir.modifiers && dir.modifiers.sync ? ',true' : '') + ")")
-    };
-  }
-
-  /*  */
-
-  var baseDirectives = {
-    on: on,
-    bind: bind$1,
-    cloak: noop
+  function transformNode(el, options) {
+      var warn = options.warn || baseWarn;
+      var staticStyle = getAndRemoveAttr(el, 'style');
+      if (staticStyle) {
+          /* istanbul ignore if */
+          {
+              var res = parseText(staticStyle, options.delimiters);
+              if (res) {
+                  warn("style=\"".concat(staticStyle, "\": ") +
+                      'Interpolation inside attributes has been removed. ' +
+                      'Use v-bind or the colon shorthand instead. For example, ' +
+                      'instead of <div style="{{ val }}">, use <div :style="val">.', el.rawAttrsMap['style']);
+              }
+          }
+          el.staticStyle = JSON.stringify(parseStyleText(staticStyle));
+      }
+      var styleBinding = getBindingAttr(el, 'style', false /* getStatic */);
+      if (styleBinding) {
+          el.styleBinding = styleBinding;
+      }
+  }
+  function genData$1(el) {
+      var data = '';
+      if (el.staticStyle) {
+          data += "staticStyle:".concat(el.staticStyle, ",");
+      }
+      if (el.styleBinding) {
+          data += "style:(".concat(el.styleBinding, "),");
+      }
+      return data;
+  }
+  var style = {
+      staticKeys: ['staticStyle'],
+      transformNode: transformNode,
+      genData: genData$1
   };
 
-  /*  */
-
-
-
-
-
-  var CodegenState = function CodegenState (options) {
-    this.options = options;
-    this.warn = options.warn || baseWarn;
-    this.transforms = pluckModuleFunction(options.modules, 'transformCode');
-    this.dataGenFns = pluckModuleFunction(options.modules, 'genData');
-    this.directives = extend(extend({}, baseDirectives), options.directives);
-    var isReservedTag = options.isReservedTag || no;
-    this.maybeComponent = function (el) { return !!el.component || !isReservedTag(el.tag); };
-    this.onceId = 0;
-    this.staticRenderFns = [];
-    this.pre = false;
+  var decoder;
+  var he = {
+      decode: function (html) {
+          decoder = decoder || document.createElement('div');
+          decoder.innerHTML = html;
+          return decoder.textContent;
+      }
   };
 
+  var isUnaryTag = makeMap('area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
+      'link,meta,param,source,track,wbr');
+  // Elements that you can, intentionally, leave open
+  // (and which close themselves)
+  var canBeLeftOpenTag = makeMap('colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source');
+  // HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
+  // Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
+  var isNonPhrasingTag = makeMap('address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' +
+      'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' +
+      'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' +
+      'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' +
+      'title,tr,track');
+
+  /**
+   * Not type-checking this file because it's mostly vendor code.
+   */
+  // Regular Expressions for parsing tags and attributes
+  var attribute = /^\s*([^\s"'<>\/=]+)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
+  var dynamicArgAttribute = /^\s*((?:v-[\w-]+:|@|:|#)\[[^=]+?\][^\s"'<>\/=]*)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
+  var ncname = "[a-zA-Z_][\\-\\.0-9_a-zA-Z".concat(unicodeRegExp.source, "]*");
+  var qnameCapture = "((?:".concat(ncname, "\\:)?").concat(ncname, ")");
+  var startTagOpen = new RegExp("^<".concat(qnameCapture));
+  var startTagClose = /^\s*(\/?)>/;
+  var endTag = new RegExp("^<\\/".concat(qnameCapture, "[^>]*>"));
+  var doctype = /^<!DOCTYPE [^>]+>/i;
+  // #7298: escape - to avoid being passed as HTML comment when inlined in page
+  var comment = /^<!\--/;
+  var conditionalComment = /^<!\[/;
+  // Special Elements (can contain anything)
+  var isPlainTextElement = makeMap('script,style,textarea', true);
+  var reCache = {};
+  var decodingMap = {
+      '&lt;': '<',
+      '&gt;': '>',
+      '&quot;': '"',
+      '&amp;': '&',
+      '&#10;': '\n',
+      '&#9;': '\t',
+      '&#39;': "'"
+  };
+  var encodedAttr = /&(?:lt|gt|quot|amp|#39);/g;
+  var encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#39|#10|#9);/g;
+  // #5992
+  var isIgnoreNewlineTag = makeMap('pre,textarea', true);
+  var shouldIgnoreFirstNewline = function (tag, html) {
+      return tag && isIgnoreNewlineTag(tag) && html[0] === '\n';
+  };
+  function decodeAttr(value, shouldDecodeNewlines) {
+      var re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr;
+      return value.replace(re, function (match) { return decodingMap[match]; });
+  }
+  function parseHTML(html, options) {
+      var stack = [];
+      var expectHTML = options.expectHTML;
+      var isUnaryTag = options.isUnaryTag || no;
+      var canBeLeftOpenTag = options.canBeLeftOpenTag || no;
+      var index = 0;
+      var last, lastTag;
+      var _loop_1 = function () {
+          last = html;
+          // Make sure we're not in a plaintext content element like script/style
+          if (!lastTag || !isPlainTextElement(lastTag)) {
+              var textEnd = html.indexOf('<');
+              if (textEnd === 0) {
+                  // Comment:
+                  if (comment.test(html)) {
+                      var commentEnd = html.indexOf('-->');
+                      if (commentEnd >= 0) {
+                          if (options.shouldKeepComment && options.comment) {
+                              options.comment(html.substring(4, commentEnd), index, index + commentEnd + 3);
+                          }
+                          advance(commentEnd + 3);
+                          return "continue";
+                      }
+                  }
+                  // http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
+                  if (conditionalComment.test(html)) {
+                      var conditionalEnd = html.indexOf(']>');
+                      if (conditionalEnd >= 0) {
+                          advance(conditionalEnd + 2);
+                          return "continue";
+                      }
+                  }
+                  // Doctype:
+                  var doctypeMatch = html.match(doctype);
+                  if (doctypeMatch) {
+                      advance(doctypeMatch[0].length);
+                      return "continue";
+                  }
+                  // End tag:
+                  var endTagMatch = html.match(endTag);
+                  if (endTagMatch) {
+                      var curIndex = index;
+                      advance(endTagMatch[0].length);
+                      parseEndTag(endTagMatch[1], curIndex, index);
+                      return "continue";
+                  }
+                  // Start tag:
+                  var startTagMatch = parseStartTag();
+                  if (startTagMatch) {
+                      handleStartTag(startTagMatch);
+                      if (shouldIgnoreFirstNewline(startTagMatch.tagName, html)) {
+                          advance(1);
+                      }
+                      return "continue";
+                  }
+              }
+              var text = void 0, rest = void 0, next = void 0;
+              if (textEnd >= 0) {
+                  rest = html.slice(textEnd);
+                  while (!endTag.test(rest) &&
+                      !startTagOpen.test(rest) &&
+                      !comment.test(rest) &&
+                      !conditionalComment.test(rest)) {
+                      // < in plain text, be forgiving and treat it as text
+                      next = rest.indexOf('<', 1);
+                      if (next < 0)
+                          break;
+                      textEnd += next;
+                      rest = html.slice(textEnd);
+                  }
+                  text = html.substring(0, textEnd);
+              }
+              if (textEnd < 0) {
+                  text = html;
+              }
+              if (text) {
+                  advance(text.length);
+              }
+              if (options.chars && text) {
+                  options.chars(text, index - text.length, index);
+              }
+          }
+          else {
+              var endTagLength_1 = 0;
+              var stackedTag_1 = lastTag.toLowerCase();
+              var reStackedTag = reCache[stackedTag_1] ||
+                  (reCache[stackedTag_1] = new RegExp('([\\s\\S]*?)(</' + stackedTag_1 + '[^>]*>)', 'i'));
+              var rest = html.replace(reStackedTag, function (all, text, endTag) {
+                  endTagLength_1 = endTag.length;
+                  if (!isPlainTextElement(stackedTag_1) && stackedTag_1 !== 'noscript') {
+                      text = text
+                          .replace(/<!\--([\s\S]*?)-->/g, '$1') // #7298
+                          .replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1');
+                  }
+                  if (shouldIgnoreFirstNewline(stackedTag_1, text)) {
+                      text = text.slice(1);
+                  }
+                  if (options.chars) {
+                      options.chars(text);
+                  }
+                  return '';
+              });
+              index += html.length - rest.length;
+              html = rest;
+              parseEndTag(stackedTag_1, index - endTagLength_1, index);
+          }
+          if (html === last) {
+              options.chars && options.chars(html);
+              if (!stack.length && options.warn) {
+                  options.warn("Mal-formatted tag at end of template: \"".concat(html, "\""), {
+                      start: index + html.length
+                  });
+              }
+              return "break";
+          }
+      };
+      while (html) {
+          var state_1 = _loop_1();
+          if (state_1 === "break")
+              break;
+      }
+      // Clean up any remaining tags
+      parseEndTag();
+      function advance(n) {
+          index += n;
+          html = html.substring(n);
+      }
+      function parseStartTag() {
+          var start = html.match(startTagOpen);
+          if (start) {
+              var match = {
+                  tagName: start[1],
+                  attrs: [],
+                  start: index
+              };
+              advance(start[0].length);
+              var end = void 0, attr = void 0;
+              while (!(end = html.match(startTagClose)) &&
+                  (attr = html.match(dynamicArgAttribute) || html.match(attribute))) {
+                  attr.start = index;
+                  advance(attr[0].length);
+                  attr.end = index;
+                  match.attrs.push(attr);
+              }
+              if (end) {
+                  match.unarySlash = end[1];
+                  advance(end[0].length);
+                  match.end = index;
+                  return match;
+              }
+          }
+      }
+      function handleStartTag(match) {
+          var tagName = match.tagName;
+          var unarySlash = match.unarySlash;
+          if (expectHTML) {
+              if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
+                  parseEndTag(lastTag);
+              }
+              if (canBeLeftOpenTag(tagName) && lastTag === tagName) {
+                  parseEndTag(tagName);
+              }
+          }
+          var unary = isUnaryTag(tagName) || !!unarySlash;
+          var l = match.attrs.length;
+          var attrs = new Array(l);
+          for (var i = 0; i < l; i++) {
+              var args = match.attrs[i];
+              var value = args[3] || args[4] || args[5] || '';
+              var shouldDecodeNewlines = tagName === 'a' && args[1] === 'href'
+                  ? options.shouldDecodeNewlinesForHref
+                  : options.shouldDecodeNewlines;
+              attrs[i] = {
+                  name: args[1],
+                  value: decodeAttr(value, shouldDecodeNewlines)
+              };
+              if (options.outputSourceRange) {
+                  attrs[i].start = args.start + args[0].match(/^\s*/).length;
+                  attrs[i].end = args.end;
+              }
+          }
+          if (!unary) {
+              stack.push({
+                  tag: tagName,
+                  lowerCasedTag: tagName.toLowerCase(),
+                  attrs: attrs,
+                  start: match.start,
+                  end: match.end
+              });
+              lastTag = tagName;
+          }
+          if (options.start) {
+              options.start(tagName, attrs, unary, match.start, match.end);
+          }
+      }
+      function parseEndTag(tagName, start, end) {
+          var pos, lowerCasedTagName;
+          if (start == null)
+              start = index;
+          if (end == null)
+              end = index;
+          // Find the closest opened tag of the same type
+          if (tagName) {
+              lowerCasedTagName = tagName.toLowerCase();
+              for (pos = stack.length - 1; pos >= 0; pos--) {
+                  if (stack[pos].lowerCasedTag === lowerCasedTagName) {
+                      break;
+                  }
+              }
+          }
+          else {
+              // If no tag name is provided, clean shop
+              pos = 0;
+          }
+          if (pos >= 0) {
+              // Close all the open elements, up the stack
+              for (var i = stack.length - 1; i >= pos; i--) {
+                  if ((i > pos || !tagName) && options.warn) {
+                      options.warn("tag <".concat(stack[i].tag, "> has no matching end tag."), {
+                          start: stack[i].start,
+                          end: stack[i].end
+                      });
+                  }
+                  if (options.end) {
+                      options.end(stack[i].tag, start, end);
+                  }
+              }
+              // Remove the open elements from the stack
+              stack.length = pos;
+              lastTag = pos && stack[pos - 1].tag;
+          }
+          else if (lowerCasedTagName === 'br') {
+              if (options.start) {
+                  options.start(tagName, [], true, start, end);
+              }
+          }
+          else if (lowerCasedTagName === 'p') {
+              if (options.start) {
+                  options.start(tagName, [], false, start, end);
+              }
+              if (options.end) {
+                  options.end(tagName, start, end);
+              }
+          }
+      }
+  }
+
+  var onRE = /^@|^v-on:/;
+  var dirRE = /^v-|^@|^:|^#/;
+  var forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+([\s\S]*)/;
+  var forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/;
+  var stripParensRE = /^\(|\)$/g;
+  var dynamicArgRE = /^\[.*\]$/;
+  var argRE = /:(.*)$/;
+  var bindRE = /^:|^\.|^v-bind:/;
+  var modifierRE = /\.[^.\]]+(?=[^\]]*$)/g;
+  var slotRE = /^v-slot(:|$)|^#/;
+  var lineBreakRE = /[\r\n]/;
+  var whitespaceRE = /[ \f\t\r\n]+/g;
+  var invalidAttributeRE = /[\s"'<>\/=]/;
+  var decodeHTMLCached = cached(he.decode);
+  var emptySlotScopeToken = "_empty_";
+  // configurable state
+  var warn;
+  var delimiters;
+  var transforms;
+  var preTransforms;
+  var postTransforms;
+  var platformIsPreTag;
+  var platformMustUseProp;
+  var platformGetTagNamespace;
+  var maybeComponent;
+  function createASTElement(tag, attrs, parent) {
+      return {
+          type: 1,
+          tag: tag,
+          attrsList: attrs,
+          attrsMap: makeAttrsMap(attrs),
+          rawAttrsMap: {},
+          parent: parent,
+          children: []
+      };
+  }
+  /**
+   * Convert HTML string to AST.
+   */
+  function parse(template, options) {
+      warn = options.warn || baseWarn;
+      platformIsPreTag = options.isPreTag || no;
+      platformMustUseProp = options.mustUseProp || no;
+      platformGetTagNamespace = options.getTagNamespace || no;
+      var isReservedTag = options.isReservedTag || no;
+      maybeComponent = function (el) {
+          return !!(el.component ||
+              el.attrsMap[':is'] ||
+              el.attrsMap['v-bind:is'] ||
+              !(el.attrsMap.is ? isReservedTag(el.attrsMap.is) : isReservedTag(el.tag)));
+      };
+      transforms = pluckModuleFunction(options.modules, 'transformNode');
+      preTransforms = pluckModuleFunction(options.modules, 'preTransformNode');
+      postTransforms = pluckModuleFunction(options.modules, 'postTransformNode');
+      delimiters = options.delimiters;
+      var stack = [];
+      var preserveWhitespace = options.preserveWhitespace !== false;
+      var whitespaceOption = options.whitespace;
+      var root;
+      var currentParent;
+      var inVPre = false;
+      var inPre = false;
+      var warned = false;
+      function warnOnce(msg, range) {
+          if (!warned) {
+              warned = true;
+              warn(msg, range);
+          }
+      }
+      function closeElement(element) {
+          trimEndingWhitespace(element);
+          if (!inVPre && !element.processed) {
+              element = processElement(element, options);
+          }
+          // tree management
+          if (!stack.length && element !== root) {
+              // allow root elements with v-if, v-else-if and v-else
+              if (root.if && (element.elseif || element.else)) {
+                  {
+                      checkRootConstraints(element);
+                  }
+                  addIfCondition(root, {
+                      exp: element.elseif,
+                      block: element
+                  });
+              }
+              else {
+                  warnOnce("Component template should contain exactly one root element. " +
+                      "If you are using v-if on multiple elements, " +
+                      "use v-else-if to chain them instead.", { start: element.start });
+              }
+          }
+          if (currentParent && !element.forbidden) {
+              if (element.elseif || element.else) {
+                  processIfConditions(element, currentParent);
+              }
+              else {
+                  if (element.slotScope) {
+                      // scoped slot
+                      // keep it in the children list so that v-else(-if) conditions can
+                      // find it as the prev node.
+                      var name_1 = element.slotTarget || '"default"';
+                      (currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name_1] = element;
+                  }
+                  currentParent.children.push(element);
+                  element.parent = currentParent;
+              }
+          }
+          // final children cleanup
+          // filter out scoped slots
+          element.children = element.children.filter(function (c) { return !c.slotScope; });
+          // remove trailing whitespace node again
+          trimEndingWhitespace(element);
+          // check pre state
+          if (element.pre) {
+              inVPre = false;
+          }
+          if (platformIsPreTag(element.tag)) {
+              inPre = false;
+          }
+          // apply post-transforms
+          for (var i = 0; i < postTransforms.length; i++) {
+              postTransforms[i](element, options);
+          }
+      }
+      function trimEndingWhitespace(el) {
+          // remove trailing whitespace node
+          if (!inPre) {
+              var lastNode = void 0;
+              while ((lastNode = el.children[el.children.length - 1]) &&
+                  lastNode.type === 3 &&
+                  lastNode.text === ' ') {
+                  el.children.pop();
+              }
+          }
+      }
+      function checkRootConstraints(el) {
+          if (el.tag === 'slot' || el.tag === 'template') {
+              warnOnce("Cannot use <".concat(el.tag, "> as component root element because it may ") +
+                  'contain multiple nodes.', { start: el.start });
+          }
+          if (el.attrsMap.hasOwnProperty('v-for')) {
+              warnOnce('Cannot use v-for on stateful component root element because ' +
+                  'it renders multiple elements.', el.rawAttrsMap['v-for']);
+          }
+      }
+      parseHTML(template, {
+          warn: warn,
+          expectHTML: options.expectHTML,
+          isUnaryTag: options.isUnaryTag,
+          canBeLeftOpenTag: options.canBeLeftOpenTag,
+          shouldDecodeNewlines: options.shouldDecodeNewlines,
+          shouldDecodeNewlinesForHref: options.shouldDecodeNewlinesForHref,
+          shouldKeepComment: options.comments,
+          outputSourceRange: options.outputSourceRange,
+          start: function (tag, attrs, unary, start, end) {
+              // check namespace.
+              // inherit parent ns if there is one
+              var ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag);
+              // handle IE svg bug
+              /* istanbul ignore if */
+              if (isIE && ns === 'svg') {
+                  attrs = guardIESVGBug(attrs);
+              }
+              var element = createASTElement(tag, attrs, currentParent);
+              if (ns) {
+                  element.ns = ns;
+              }
+              {
+                  if (options.outputSourceRange) {
+                      element.start = start;
+                      element.end = end;
+                      element.rawAttrsMap = element.attrsList.reduce(function (cumulated, attr) {
+                          cumulated[attr.name] = attr;
+                          return cumulated;
+                      }, {});
+                  }
+                  attrs.forEach(function (attr) {
+                      if (invalidAttributeRE.test(attr.name)) {
+                          warn("Invalid dynamic argument expression: attribute names cannot contain " +
+                              "spaces, quotes, <, >, / or =.", options.outputSourceRange
+                              ? {
+                                  start: attr.start + attr.name.indexOf("["),
+                                  end: attr.start + attr.name.length
+                              }
+                              : undefined);
+                      }
+                  });
+              }
+              if (isForbiddenTag(element) && !isServerRendering()) {
+                  element.forbidden = true;
+                  warn('Templates should only be responsible for mapping the state to the ' +
+                          'UI. Avoid placing tags with side-effects in your templates, such as ' +
+                          "<".concat(tag, ">") +
+                          ', as they will not be parsed.', { start: element.start });
+              }
+              // apply pre-transforms
+              for (var i = 0; i < preTransforms.length; i++) {
+                  element = preTransforms[i](element, options) || element;
+              }
+              if (!inVPre) {
+                  processPre(element);
+                  if (element.pre) {
+                      inVPre = true;
+                  }
+              }
+              if (platformIsPreTag(element.tag)) {
+                  inPre = true;
+              }
+              if (inVPre) {
+                  processRawAttrs(element);
+              }
+              else if (!element.processed) {
+                  // structural directives
+                  processFor(element);
+                  processIf(element);
+                  processOnce(element);
+              }
+              if (!root) {
+                  root = element;
+                  {
+                      checkRootConstraints(root);
+                  }
+              }
+              if (!unary) {
+                  currentParent = element;
+                  stack.push(element);
+              }
+              else {
+                  closeElement(element);
+              }
+          },
+          end: function (tag, start, end) {
+              var element = stack[stack.length - 1];
+              // pop stack
+              stack.length -= 1;
+              currentParent = stack[stack.length - 1];
+              if (options.outputSourceRange) {
+                  element.end = end;
+              }
+              closeElement(element);
+          },
+          chars: function (text, start, end) {
+              if (!currentParent) {
+                  {
+                      if (text === template) {
+                          warnOnce('Component template requires a root element, rather than just text.', { start: start });
+                      }
+                      else if ((text = text.trim())) {
+                          warnOnce("text \"".concat(text, "\" outside root element will be ignored."), {
+                              start: start
+                          });
+                      }
+                  }
+                  return;
+              }
+              // IE textarea placeholder bug
+              /* istanbul ignore if */
+              if (isIE &&
+                  currentParent.tag === 'textarea' &&
+                  currentParent.attrsMap.placeholder === text) {
+                  return;
+              }
+              var children = currentParent.children;
+              if (inPre || text.trim()) {
+                  text = isTextTag(currentParent)
+                      ? text
+                      : decodeHTMLCached(text);
+              }
+              else if (!children.length) {
+                  // remove the whitespace-only node right after an opening tag
+                  text = '';
+              }
+              else if (whitespaceOption) {
+                  if (whitespaceOption === 'condense') {
+                      // in condense mode, remove the whitespace node if it contains
+                      // line break, otherwise condense to a single space
+                      text = lineBreakRE.test(text) ? '' : ' ';
+                  }
+                  else {
+                      text = ' ';
+                  }
+              }
+              else {
+                  text = preserveWhitespace ? ' ' : '';
+              }
+              if (text) {
+                  if (!inPre && whitespaceOption === 'condense') {
+                      // condense consecutive whitespaces into single space
+                      text = text.replace(whitespaceRE, ' ');
+                  }
+                  var res = void 0;
+                  var child = void 0;
+                  if (!inVPre && text !== ' ' && (res = parseText(text, delimiters))) {
+                      child = {
+                          type: 2,
+                          expression: res.expression,
+                          tokens: res.tokens,
+                          text: text
+                      };
+                  }
+                  else if (text !== ' ' ||
+                      !children.length ||
+                      children[children.length - 1].text !== ' ') {
+                      child = {
+                          type: 3,
+                          text: text
+                      };
+                  }
+                  if (child) {
+                      if (options.outputSourceRange) {
+                          child.start = start;
+                          child.end = end;
+                      }
+                      children.push(child);
+                  }
+              }
+          },
+          comment: function (text, start, end) {
+              // adding anything as a sibling to the root node is forbidden
+              // comments should still be allowed, but ignored
+              if (currentParent) {
+                  var child = {
+                      type: 3,
+                      text: text,
+                      isComment: true
+                  };
+                  if (options.outputSourceRange) {
+                      child.start = start;
+                      child.end = end;
+                  }
+                  currentParent.children.push(child);
+              }
+          }
+      });
+      return root;
+  }
+  function processPre(el) {
+      if (getAndRemoveAttr(el, 'v-pre') != null) {
+          el.pre = true;
+      }
+  }
+  function processRawAttrs(el) {
+      var list = el.attrsList;
+      var len = list.length;
+      if (len) {
+          var attrs = (el.attrs = new Array(len));
+          for (var i = 0; i < len; i++) {
+              attrs[i] = {
+                  name: list[i].name,
+                  value: JSON.stringify(list[i].value)
+              };
+              if (list[i].start != null) {
+                  attrs[i].start = list[i].start;
+                  attrs[i].end = list[i].end;
+              }
+          }
+      }
+      else if (!el.pre) {
+          // non root node in pre blocks with no attributes
+          el.plain = true;
+      }
+  }
+  function processElement(element, options) {
+      processKey(element);
+      // determine whether this is a plain element after
+      // removing structural attributes
+      element.plain =
+          !element.key && !element.scopedSlots && !element.attrsList.length;
+      processRef(element);
+      processSlotContent(element);
+      processSlotOutlet(element);
+      processComponent(element);
+      for (var i = 0; i < transforms.length; i++) {
+          element = transforms[i](element, options) || element;
+      }
+      processAttrs(element);
+      return element;
+  }
+  function processKey(el) {
+      var exp = getBindingAttr(el, 'key');
+      if (exp) {
+          {
+              if (el.tag === 'template') {
+                  warn("<template> cannot be keyed. Place the key on real elements instead.", getRawBindingAttr(el, 'key'));
+              }
+              if (el.for) {
+                  var iterator = el.iterator2 || el.iterator1;
+                  var parent_1 = el.parent;
+                  if (iterator &&
+                      iterator === exp &&
+                      parent_1 &&
+                      parent_1.tag === 'transition-group') {
+                      warn("Do not use v-for index as key on <transition-group> children, " +
+                          "this is the same as not using keys.", getRawBindingAttr(el, 'key'), true /* tip */);
+                  }
+              }
+          }
+          el.key = exp;
+      }
+  }
+  function processRef(el) {
+      var ref = getBindingAttr(el, 'ref');
+      if (ref) {
+          el.ref = ref;
+          el.refInFor = checkInFor(el);
+      }
+  }
+  function processFor(el) {
+      var exp;
+      if ((exp = getAndRemoveAttr(el, 'v-for'))) {
+          var res = parseFor(exp);
+          if (res) {
+              extend(el, res);
+          }
+          else {
+              warn("Invalid v-for expression: ".concat(exp), el.rawAttrsMap['v-for']);
+          }
+      }
+  }
+  function parseFor(exp) {
+      var inMatch = exp.match(forAliasRE);
+      if (!inMatch)
+          return;
+      var res = {};
+      res.for = inMatch[2].trim();
+      var alias = inMatch[1].trim().replace(stripParensRE, '');
+      var iteratorMatch = alias.match(forIteratorRE);
+      if (iteratorMatch) {
+          res.alias = alias.replace(forIteratorRE, '').trim();
+          res.iterator1 = iteratorMatch[1].trim();
+          if (iteratorMatch[2]) {
+              res.iterator2 = iteratorMatch[2].trim();
+          }
+      }
+      else {
+          res.alias = alias;
+      }
+      return res;
+  }
+  function processIf(el) {
+      var exp = getAndRemoveAttr(el, 'v-if');
+      if (exp) {
+          el.if = exp;
+          addIfCondition(el, {
+              exp: exp,
+              block: el
+          });
+      }
+      else {
+          if (getAndRemoveAttr(el, 'v-else') != null) {
+              el.else = true;
+          }
+          var elseif = getAndRemoveAttr(el, 'v-else-if');
+          if (elseif) {
+              el.elseif = elseif;
+          }
+      }
+  }
+  function processIfConditions(el, parent) {
+      var prev = findPrevElement(parent.children);
+      if (prev && prev.if) {
+          addIfCondition(prev, {
+              exp: el.elseif,
+              block: el
+          });
+      }
+      else {
+          warn("v-".concat(el.elseif ? 'else-if="' + el.elseif + '"' : 'else', " ") +
+              "used on element <".concat(el.tag, "> without corresponding v-if."), el.rawAttrsMap[el.elseif ? 'v-else-if' : 'v-else']);
+      }
+  }
+  function findPrevElement(children) {
+      var i = children.length;
+      while (i--) {
+          if (children[i].type === 1) {
+              return children[i];
+          }
+          else {
+              if (children[i].text !== ' ') {
+                  warn("text \"".concat(children[i].text.trim(), "\" between v-if and v-else(-if) ") +
+                      "will be ignored.", children[i]);
+              }
+              children.pop();
+          }
+      }
+  }
+  function addIfCondition(el, condition) {
+      if (!el.ifConditions) {
+          el.ifConditions = [];
+      }
+      el.ifConditions.push(condition);
+  }
+  function processOnce(el) {
+      var once = getAndRemoveAttr(el, 'v-once');
+      if (once != null) {
+          el.once = true;
+      }
+  }
+  // handle content being passed to a component as slot,
+  // e.g. <template slot="xxx">, <div slot-scope="xxx">
+  function processSlotContent(el) {
+      var slotScope;
+      if (el.tag === 'template') {
+          slotScope = getAndRemoveAttr(el, 'scope');
+          /* istanbul ignore if */
+          if (slotScope) {
+              warn("the \"scope\" attribute for scoped slots have been deprecated and " +
+                  "replaced by \"slot-scope\" since 2.5. The new \"slot-scope\" attribute " +
+                  "can also be used on plain elements in addition to <template> to " +
+                  "denote scoped slots.", el.rawAttrsMap['scope'], true);
+          }
+          el.slotScope = slotScope || getAndRemoveAttr(el, 'slot-scope');
+      }
+      else if ((slotScope = getAndRemoveAttr(el, 'slot-scope'))) {
+          /* istanbul ignore if */
+          if (el.attrsMap['v-for']) {
+              warn("Ambiguous combined usage of slot-scope and v-for on <".concat(el.tag, "> ") +
+                  "(v-for takes higher priority). Use a wrapper <template> for the " +
+                  "scoped slot to make it clearer.", el.rawAttrsMap['slot-scope'], true);
+          }
+          el.slotScope = slotScope;
+      }
+      // slot="xxx"
+      var slotTarget = getBindingAttr(el, 'slot');
+      if (slotTarget) {
+          el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget;
+          el.slotTargetDynamic = !!(el.attrsMap[':slot'] || el.attrsMap['v-bind:slot']);
+          // preserve slot as an attribute for native shadow DOM compat
+          // only for non-scoped slots.
+          if (el.tag !== 'template' && !el.slotScope) {
+              addAttr(el, 'slot', slotTarget, getRawBindingAttr(el, 'slot'));
+          }
+      }
+      // 2.6 v-slot syntax
+      {
+          if (el.tag === 'template') {
+              // v-slot on <template>
+              var slotBinding = getAndRemoveAttrByRegex(el, slotRE);
+              if (slotBinding) {
+                  {
+                      if (el.slotTarget || el.slotScope) {
+                          warn("Unexpected mixed usage of different slot syntaxes.", el);
+                      }
+                      if (el.parent && !maybeComponent(el.parent)) {
+                          warn("<template v-slot> can only appear at the root level inside " +
+                              "the receiving component", el);
+                      }
+                  }
+                  var _a = getSlotName(slotBinding), name_2 = _a.name, dynamic = _a.dynamic;
+                  el.slotTarget = name_2;
+                  el.slotTargetDynamic = dynamic;
+                  el.slotScope = slotBinding.value || emptySlotScopeToken; // force it into a scoped slot for perf
+              }
+          }
+          else {
+              // v-slot on component, denotes default slot
+              var slotBinding = getAndRemoveAttrByRegex(el, slotRE);
+              if (slotBinding) {
+                  {
+                      if (!maybeComponent(el)) {
+                          warn("v-slot can only be used on components or <template>.", slotBinding);
+                      }
+                      if (el.slotScope || el.slotTarget) {
+                          warn("Unexpected mixed usage of different slot syntaxes.", el);
+                      }
+                      if (el.scopedSlots) {
+                          warn("To avoid scope ambiguity, the default slot should also use " +
+                              "<template> syntax when there are other named slots.", slotBinding);
+                      }
+                  }
+                  // add the component's children to its default slot
+                  var slots = el.scopedSlots || (el.scopedSlots = {});
+                  var _b = getSlotName(slotBinding), name_3 = _b.name, dynamic = _b.dynamic;
+                  var slotContainer_1 = (slots[name_3] = createASTElement('template', [], el));
+                  slotContainer_1.slotTarget = name_3;
+                  slotContainer_1.slotTargetDynamic = dynamic;
+                  slotContainer_1.children = el.children.filter(function (c) {
+                      if (!c.slotScope) {
+                          c.parent = slotContainer_1;
+                          return true;
+                      }
+                  });
+                  slotContainer_1.slotScope = slotBinding.value || emptySlotScopeToken;
+                  // remove children as they are returned from scopedSlots now
+                  el.children = [];
+                  // mark el non-plain so data gets generated
+                  el.plain = false;
+              }
+          }
+      }
+  }
+  function getSlotName(binding) {
+      var name = binding.name.replace(slotRE, '');
+      if (!name) {
+          if (binding.name[0] !== '#') {
+              name = 'default';
+          }
+          else {
+              warn("v-slot shorthand syntax requires a slot name.", binding);
+          }
+      }
+      return dynamicArgRE.test(name)
+          ? // dynamic [name]
+              { name: name.slice(1, -1), dynamic: true }
+          : // static name
+              { name: "\"".concat(name, "\""), dynamic: false };
+  }
+  // handle <slot/> outlets
+  function processSlotOutlet(el) {
+      if (el.tag === 'slot') {
+          el.slotName = getBindingAttr(el, 'name');
+          if (el.key) {
+              warn("`key` does not work on <slot> because slots are abstract outlets " +
+                  "and can possibly expand into multiple elements. " +
+                  "Use the key on a wrapping element instead.", getRawBindingAttr(el, 'key'));
+          }
+      }
+  }
+  function processComponent(el) {
+      var binding;
+      if ((binding = getBindingAttr(el, 'is'))) {
+          el.component = binding;
+      }
+      if (getAndRemoveAttr(el, 'inline-template') != null) {
+          el.inlineTemplate = true;
+      }
+  }
+  function processAttrs(el) {
+      var list = el.attrsList;
+      var i, l, name, rawName, value, modifiers, syncGen, isDynamic;
+      for (i = 0, l = list.length; i < l; i++) {
+          name = rawName = list[i].name;
+          value = list[i].value;
+          if (dirRE.test(name)) {
+              // mark element as dynamic
+              el.hasBindings = true;
+              // modifiers
+              modifiers = parseModifiers(name.replace(dirRE, ''));
+              // support .foo shorthand syntax for the .prop modifier
+              if (modifiers) {
+                  name = name.replace(modifierRE, '');
+              }
+              if (bindRE.test(name)) {
+                  // v-bind
+                  name = name.replace(bindRE, '');
+                  value = parseFilters(value);
+                  isDynamic = dynamicArgRE.test(name);
+                  if (isDynamic) {
+                      name = name.slice(1, -1);
+                  }
+                  if (value.trim().length === 0) {
+                      warn("The value for a v-bind expression cannot be empty. Found in \"v-bind:".concat(name, "\""));
+                  }
+                  if (modifiers) {
+                      if (modifiers.prop && !isDynamic) {
+                          name = camelize(name);
+                          if (name === 'innerHtml')
+                              name = 'innerHTML';
+                      }
+                      if (modifiers.camel && !isDynamic) {
+                          name = camelize(name);
+                      }
+                      if (modifiers.sync) {
+                          syncGen = genAssignmentCode(value, "$event");
+                          if (!isDynamic) {
+                              addHandler(el, "update:".concat(camelize(name)), syncGen, null, false, warn, list[i]);
+                              if (hyphenate(name) !== camelize(name)) {
+                                  addHandler(el, "update:".concat(hyphenate(name)), syncGen, null, false, warn, list[i]);
+                              }
+                          }
+                          else {
+                              // handler w/ dynamic event name
+                              addHandler(el, "\"update:\"+(".concat(name, ")"), syncGen, null, false, warn, list[i], true // dynamic
+                              );
+                          }
+                      }
+                  }
+                  if ((modifiers && modifiers.prop) ||
+                      (!el.component && platformMustUseProp(el.tag, el.attrsMap.type, name))) {
+                      addProp(el, name, value, list[i], isDynamic);
+                  }
+                  else {
+                      addAttr(el, name, value, list[i], isDynamic);
+                  }
+              }
+              else if (onRE.test(name)) {
+                  // v-on
+                  name = name.replace(onRE, '');
+                  isDynamic = dynamicArgRE.test(name);
+                  if (isDynamic) {
+                      name = name.slice(1, -1);
+                  }
+                  addHandler(el, name, value, modifiers, false, warn, list[i], isDynamic);
+              }
+              else {
+                  // normal directives
+                  name = name.replace(dirRE, '');
+                  // parse arg
+                  var argMatch = name.match(argRE);
+                  var arg = argMatch && argMatch[1];
+                  isDynamic = false;
+                  if (arg) {
+                      name = name.slice(0, -(arg.length + 1));
+                      if (dynamicArgRE.test(arg)) {
+                          arg = arg.slice(1, -1);
+                          isDynamic = true;
+                      }
+                  }
+                  addDirective(el, name, rawName, value, arg, isDynamic, modifiers, list[i]);
+                  if (name === 'model') {
+                      checkForAliasModel(el, value);
+                  }
+              }
+          }
+          else {
+              // literal attribute
+              {
+                  var res = parseText(value, delimiters);
+                  if (res) {
+                      warn("".concat(name, "=\"").concat(value, "\": ") +
+                          'Interpolation inside attributes has been removed. ' +
+                          'Use v-bind or the colon shorthand instead. For example, ' +
+                          'instead of <div id="{{ val }}">, use <div :id="val">.', list[i]);
+                  }
+              }
+              addAttr(el, name, JSON.stringify(value), list[i]);
+              // #6887 firefox doesn't update muted state if set via attribute
+              // even immediately after element creation
+              if (!el.component &&
+                  name === 'muted' &&
+                  platformMustUseProp(el.tag, el.attrsMap.type, name)) {
+                  addProp(el, name, 'true', list[i]);
+              }
+          }
+      }
+  }
+  function checkInFor(el) {
+      var parent = el;
+      while (parent) {
+          if (parent.for !== undefined) {
+              return true;
+          }
+          parent = parent.parent;
+      }
+      return false;
+  }
+  function parseModifiers(name) {
+      var match = name.match(modifierRE);
+      if (match) {
+          var ret_1 = {};
+          match.forEach(function (m) {
+              ret_1[m.slice(1)] = true;
+          });
+          return ret_1;
+      }
+  }
+  function makeAttrsMap(attrs) {
+      var map = {};
+      for (var i = 0, l = attrs.length; i < l; i++) {
+          if (map[attrs[i].name] && !isIE && !isEdge) {
+              warn('duplicate attribute: ' + attrs[i].name, attrs[i]);
+          }
+          map[attrs[i].name] = attrs[i].value;
+      }
+      return map;
+  }
+  // for script (e.g. type="x/template") or style, do not decode content
+  function isTextTag(el) {
+      return el.tag === 'script' || el.tag === 'style';
+  }
+  function isForbiddenTag(el) {
+      return (el.tag === 'style' ||
+          (el.tag === 'script' &&
+              (!el.attrsMap.type || el.attrsMap.type === 'text/javascript')));
+  }
+  var ieNSBug = /^xmlns:NS\d+/;
+  var ieNSPrefix = /^NS\d+:/;
+  /* istanbul ignore next */
+  function guardIESVGBug(attrs) {
+      var res = [];
+      for (var i = 0; i < attrs.length; i++) {
+          var attr = attrs[i];
+          if (!ieNSBug.test(attr.name)) {
+              attr.name = attr.name.replace(ieNSPrefix, '');
+              res.push(attr);
+          }
+      }
+      return res;
+  }
+  function checkForAliasModel(el, value) {
+      var _el = el;
+      while (_el) {
+          if (_el.for && _el.alias === value) {
+              warn("<".concat(el.tag, " v-model=\"").concat(value, "\">: ") +
+                  "You are binding v-model directly to a v-for iteration alias. " +
+                  "This will not be able to modify the v-for source array because " +
+                  "writing to the alias is like modifying a function local variable. " +
+                  "Consider using an array of objects and use v-model on an object property instead.", el.rawAttrsMap['v-model']);
+          }
+          _el = _el.parent;
+      }
+  }
+
+  /**
+   * Expand input[v-model] with dynamic type bindings into v-if-else chains
+   * Turn this:
+   *   <input v-model="data[type]" :type="type">
+   * into this:
+   *   <input v-if="type === 'checkbox'" type="checkbox" v-model="data[type]">
+   *   <input v-else-if="type === 'radio'" type="radio" v-model="data[type]">
+   *   <input v-else :type="type" v-model="data[type]">
+   */
+  function preTransformNode(el, options) {
+      if (el.tag === 'input') {
+          var map = el.attrsMap;
+          if (!map['v-model']) {
+              return;
+          }
+          var typeBinding = void 0;
+          if (map[':type'] || map['v-bind:type']) {
+              typeBinding = getBindingAttr(el, 'type');
+          }
+          if (!map.type && !typeBinding && map['v-bind']) {
+              typeBinding = "(".concat(map['v-bind'], ").type");
+          }
+          if (typeBinding) {
+              var ifCondition = getAndRemoveAttr(el, 'v-if', true);
+              var ifConditionExtra = ifCondition ? "&&(".concat(ifCondition, ")") : "";
+              var hasElse = getAndRemoveAttr(el, 'v-else', true) != null;
+              var elseIfCondition = getAndRemoveAttr(el, 'v-else-if', true);
+              // 1. checkbox
+              var branch0 = cloneASTElement(el);
+              // process for on the main node
+              processFor(branch0);
+              addRawAttr(branch0, 'type', 'checkbox');
+              processElement(branch0, options);
+              branch0.processed = true; // prevent it from double-processed
+              branch0.if = "(".concat(typeBinding, ")==='checkbox'") + ifConditionExtra;
+              addIfCondition(branch0, {
+                  exp: branch0.if,
+                  block: branch0
+              });
+              // 2. add radio else-if condition
+              var branch1 = cloneASTElement(el);
+              getAndRemoveAttr(branch1, 'v-for', true);
+              addRawAttr(branch1, 'type', 'radio');
+              processElement(branch1, options);
+              addIfCondition(branch0, {
+                  exp: "(".concat(typeBinding, ")==='radio'") + ifConditionExtra,
+                  block: branch1
+              });
+              // 3. other
+              var branch2 = cloneASTElement(el);
+              getAndRemoveAttr(branch2, 'v-for', true);
+              addRawAttr(branch2, ':type', typeBinding);
+              processElement(branch2, options);
+              addIfCondition(branch0, {
+                  exp: ifCondition,
+                  block: branch2
+              });
+              if (hasElse) {
+                  branch0.else = true;
+              }
+              else if (elseIfCondition) {
+                  branch0.elseif = elseIfCondition;
+              }
+              return branch0;
+          }
+      }
+  }
+  function cloneASTElement(el) {
+      return createASTElement(el.tag, el.attrsList.slice(), el.parent);
+  }
+  var model = {
+      preTransformNode: preTransformNode
+  };
 
+  var modules = [klass, style, model];
 
-  function generate (
-    ast,
-    options
-  ) {
-    var state = new CodegenState(options);
-    // fix #11483, Root level <script> tags should not be rendered.
-    var code = ast ? (ast.tag === 'script' ? 'null' : genElement(ast, state)) : '_c("div")';
-    return {
-      render: ("with(this){return " + code + "}"),
-      staticRenderFns: state.staticRenderFns
-    }
-  }
-
-  function genElement (el, state) {
-    if (el.parent) {
-      el.pre = el.pre || el.parent.pre;
-    }
-
-    if (el.staticRoot && !el.staticProcessed) {
-      return genStatic(el, state)
-    } else if (el.once && !el.onceProcessed) {
-      return genOnce(el, state)
-    } else if (el.for && !el.forProcessed) {
-      return genFor(el, state)
-    } else if (el.if && !el.ifProcessed) {
-      return genIf(el, state)
-    } else if (el.tag === 'template' && !el.slotTarget && !state.pre) {
-      return genChildren(el, state) || 'void 0'
-    } else if (el.tag === 'slot') {
-      return genSlot(el, state)
-    } else {
-      // component or element
-      var code;
-      if (el.component) {
-        code = genComponent(el.component, el, state);
-      } else {
-        var data;
-        if (!el.plain || (el.pre && state.maybeComponent(el))) {
-          data = genData$2(el, state);
-        }
-
-        var children = el.inlineTemplate ? null : genChildren(el, state, true);
-        code = "_c('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")";
-      }
-      // module transforms
-      for (var i = 0; i < state.transforms.length; i++) {
-        code = state.transforms[i](el, code);
-      }
-      return code
-    }
-  }
-
-  // hoist static sub-trees out
-  function genStatic (el, state) {
-    el.staticProcessed = true;
-    // Some elements (templates) need to behave differently inside of a v-pre
-    // node.  All pre nodes are static roots, so we can use this as a location to
-    // wrap a state change and reset it upon exiting the pre node.
-    var originalPreState = state.pre;
-    if (el.pre) {
-      state.pre = el.pre;
-    }
-    state.staticRenderFns.push(("with(this){return " + (genElement(el, state)) + "}"));
-    state.pre = originalPreState;
-    return ("_m(" + (state.staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + ")")
-  }
-
-  // v-once
-  function genOnce (el, state) {
-    el.onceProcessed = true;
-    if (el.if && !el.ifProcessed) {
-      return genIf(el, state)
-    } else if (el.staticInFor) {
-      var key = '';
-      var parent = el.parent;
-      while (parent) {
-        if (parent.for) {
-          key = parent.key;
-          break
-        }
-        parent = parent.parent;
-      }
-      if (!key) {
-        state.warn(
-          "v-once can only be used inside v-for that is keyed. ",
-          el.rawAttrsMap['v-once']
-        );
-        return genElement(el, state)
-      }
-      return ("_o(" + (genElement(el, state)) + "," + (state.onceId++) + "," + key + ")")
-    } else {
-      return genStatic(el, state)
-    }
-  }
-
-  function genIf (
-    el,
-    state,
-    altGen,
-    altEmpty
-  ) {
-    el.ifProcessed = true; // avoid recursion
-    return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty)
-  }
-
-  function genIfConditions (
-    conditions,
-    state,
-    altGen,
-    altEmpty
-  ) {
-    if (!conditions.length) {
-      return altEmpty || '_e()'
-    }
-
-    var condition = conditions.shift();
-    if (condition.exp) {
-      return ("(" + (condition.exp) + ")?" + (genTernaryExp(condition.block)) + ":" + (genIfConditions(conditions, state, altGen, altEmpty)))
-    } else {
-      return ("" + (genTernaryExp(condition.block)))
-    }
-
-    // v-if with v-once should generate code like (a)?_m(0):_m(1)
-    function genTernaryExp (el) {
-      return altGen
-        ? altGen(el, state)
-        : el.once
-          ? genOnce(el, state)
-          : genElement(el, state)
-    }
-  }
-
-  function genFor (
-    el,
-    state,
-    altGen,
-    altHelper
-  ) {
-    var exp = el.for;
-    var alias = el.alias;
-    var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : '';
-    var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : '';
-
-    if (state.maybeComponent(el) &&
-      el.tag !== 'slot' &&
-      el.tag !== 'template' &&
-      !el.key
-    ) {
-      state.warn(
-        "<" + (el.tag) + " v-for=\"" + alias + " in " + exp + "\">: component lists rendered with " +
-        "v-for should have explicit keys. " +
-        "See https://vuejs.org/guide/list.html#key for more info.",
-        el.rawAttrsMap['v-for'],
-        true /* tip */
-      );
-    }
-
-    el.forProcessed = true; // avoid recursion
-    return (altHelper || '_l') + "((" + exp + ")," +
-      "function(" + alias + iterator1 + iterator2 + "){" +
-        "return " + ((altGen || genElement)(el, state)) +
-      '})'
-  }
-
-  function genData$2 (el, state) {
-    var data = '{';
-
-    // directives first.
-    // directives may mutate the el's other properties before they are generated.
-    var dirs = genDirectives(el, state);
-    if (dirs) { data += dirs + ','; }
-
-    // key
-    if (el.key) {
-      data += "key:" + (el.key) + ",";
-    }
-    // ref
-    if (el.ref) {
-      data += "ref:" + (el.ref) + ",";
-    }
-    if (el.refInFor) {
-      data += "refInFor:true,";
-    }
-    // pre
-    if (el.pre) {
-      data += "pre:true,";
-    }
-    // record original tag name for components using "is" attribute
-    if (el.component) {
-      data += "tag:\"" + (el.tag) + "\",";
-    }
-    // module data generation functions
-    for (var i = 0; i < state.dataGenFns.length; i++) {
-      data += state.dataGenFns[i](el);
-    }
-    // attributes
-    if (el.attrs) {
-      data += "attrs:" + (genProps(el.attrs)) + ",";
-    }
-    // DOM props
-    if (el.props) {
-      data += "domProps:" + (genProps(el.props)) + ",";
-    }
-    // event handlers
-    if (el.events) {
-      data += (genHandlers(el.events, false)) + ",";
-    }
-    if (el.nativeEvents) {
-      data += (genHandlers(el.nativeEvents, true)) + ",";
-    }
-    // slot target
-    // only for non-scoped slots
-    if (el.slotTarget && !el.slotScope) {
-      data += "slot:" + (el.slotTarget) + ",";
-    }
-    // scoped slots
-    if (el.scopedSlots) {
-      data += (genScopedSlots(el, el.scopedSlots, state)) + ",";
-    }
-    // component v-model
-    if (el.model) {
-      data += "model:{value:" + (el.model.value) + ",callback:" + (el.model.callback) + ",expression:" + (el.model.expression) + "},";
-    }
-    // inline-template
-    if (el.inlineTemplate) {
-      var inlineTemplate = genInlineTemplate(el, state);
-      if (inlineTemplate) {
-        data += inlineTemplate + ",";
-      }
-    }
-    data = data.replace(/,$/, '') + '}';
-    // v-bind dynamic argument wrap
-    // v-bind with dynamic arguments must be applied using the same v-bind object
-    // merge helper so that class/style/mustUseProp attrs are handled correctly.
-    if (el.dynamicAttrs) {
-      data = "_b(" + data + ",\"" + (el.tag) + "\"," + (genProps(el.dynamicAttrs)) + ")";
-    }
-    // v-bind data wrap
-    if (el.wrapData) {
-      data = el.wrapData(data);
-    }
-    // v-on data wrap
-    if (el.wrapListeners) {
-      data = el.wrapListeners(data);
-    }
-    return data
-  }
-
-  function genDirectives (el, state) {
-    var dirs = el.directives;
-    if (!dirs) { return }
-    var res = 'directives:[';
-    var hasRuntime = false;
-    var i, l, dir, needRuntime;
-    for (i = 0, l = dirs.length; i < l; i++) {
-      dir = dirs[i];
-      needRuntime = true;
-      var gen = state.directives[dir.name];
-      if (gen) {
-        // compile-time directive that manipulates AST.
-        // returns true if it also needs a runtime counterpart.
-        needRuntime = !!gen(el, dir, state.warn);
-      }
-      if (needRuntime) {
-        hasRuntime = true;
-        res += "{name:\"" + (dir.name) + "\",rawName:\"" + (dir.rawName) + "\"" + (dir.value ? (",value:(" + (dir.value) + "),expression:" + (JSON.stringify(dir.value))) : '') + (dir.arg ? (",arg:" + (dir.isDynamicArg ? dir.arg : ("\"" + (dir.arg) + "\""))) : '') + (dir.modifiers ? (",modifiers:" + (JSON.stringify(dir.modifiers))) : '') + "},";
-      }
-    }
-    if (hasRuntime) {
-      return res.slice(0, -1) + ']'
-    }
-  }
-
-  function genInlineTemplate (el, state) {
-    var ast = el.children[0];
-    if (el.children.length !== 1 || ast.type !== 1) {
-      state.warn(
-        'Inline-template components must have exactly one child element.',
-        { start: el.start }
-      );
-    }
-    if (ast && ast.type === 1) {
-      var inlineRenderFns = generate(ast, state.options);
-      return ("inlineTemplate:{render:function(){" + (inlineRenderFns.render) + "},staticRenderFns:[" + (inlineRenderFns.staticRenderFns.map(function (code) { return ("function(){" + code + "}"); }).join(',')) + "]}")
-    }
-  }
-
-  function genScopedSlots (
-    el,
-    slots,
-    state
-  ) {
-    // by default scoped slots are considered "stable", this allows child
-    // components with only scoped slots to skip forced updates from parent.
-    // but in some cases we have to bail-out of this optimization
-    // for example if the slot contains dynamic names, has v-if or v-for on them...
-    var needsForceUpdate = el.for || Object.keys(slots).some(function (key) {
-      var slot = slots[key];
-      return (
-        slot.slotTargetDynamic ||
-        slot.if ||
-        slot.for ||
-        containsSlotChild(slot) // is passing down slot from parent which may be dynamic
-      )
-    });
-
-    // #9534: if a component with scoped slots is inside a conditional branch,
-    // it's possible for the same component to be reused but with different
-    // compiled slot content. To avoid that, we generate a unique key based on
-    // the generated code of all the slot contents.
-    var needsKey = !!el.if;
-
-    // OR when it is inside another scoped slot or v-for (the reactivity may be
-    // disconnected due to the intermediate scope variable)
-    // #9438, #9506
-    // TODO: this can be further optimized by properly analyzing in-scope bindings
-    // and skip force updating ones that do not actually use scope variables.
-    if (!needsForceUpdate) {
-      var parent = el.parent;
-      while (parent) {
-        if (
-          (parent.slotScope && parent.slotScope !== emptySlotScopeToken) ||
-          parent.for
-        ) {
-          needsForceUpdate = true;
-          break
-        }
-        if (parent.if) {
-          needsKey = true;
-        }
-        parent = parent.parent;
-      }
-    }
-
-    var generatedSlots = Object.keys(slots)
-      .map(function (key) { return genScopedSlot(slots[key], state); })
-      .join(',');
-
-    return ("scopedSlots:_u([" + generatedSlots + "]" + (needsForceUpdate ? ",null,true" : "") + (!needsForceUpdate && needsKey ? (",null,false," + (hash(generatedSlots))) : "") + ")")
-  }
-
-  function hash(str) {
-    var hash = 5381;
-    var i = str.length;
-    while(i) {
-      hash = (hash * 33) ^ str.charCodeAt(--i);
-    }
-    return hash >>> 0
-  }
-
-  function containsSlotChild (el) {
-    if (el.type === 1) {
-      if (el.tag === 'slot') {
-        return true
-      }
-      return el.children.some(containsSlotChild)
-    }
-    return false
-  }
-
-  function genScopedSlot (
-    el,
-    state
-  ) {
-    var isLegacySyntax = el.attrsMap['slot-scope'];
-    if (el.if && !el.ifProcessed && !isLegacySyntax) {
-      return genIf(el, state, genScopedSlot, "null")
-    }
-    if (el.for && !el.forProcessed) {
-      return genFor(el, state, genScopedSlot)
-    }
-    var slotScope = el.slotScope === emptySlotScopeToken
-      ? ""
-      : String(el.slotScope);
-    var fn = "function(" + slotScope + "){" +
-      "return " + (el.tag === 'template'
-        ? el.if && isLegacySyntax
-          ? ("(" + (el.if) + ")?" + (genChildren(el, state) || 'undefined') + ":undefined")
-          : genChildren(el, state) || 'undefined'
-        : genElement(el, state)) + "}";
-    // reverse proxy v-slot without scope on this.$slots
-    var reverseProxy = slotScope ? "" : ",proxy:true";
-    return ("{key:" + (el.slotTarget || "\"default\"") + ",fn:" + fn + reverseProxy + "}")
-  }
-
-  function genChildren (
-    el,
-    state,
-    checkSkip,
-    altGenElement,
-    altGenNode
-  ) {
-    var children = el.children;
-    if (children.length) {
-      var el$1 = children[0];
-      // optimize single v-for
-      if (children.length === 1 &&
-        el$1.for &&
-        el$1.tag !== 'template' &&
-        el$1.tag !== 'slot'
-      ) {
-        var normalizationType = checkSkip
-          ? state.maybeComponent(el$1) ? ",1" : ",0"
-          : "";
-        return ("" + ((altGenElement || genElement)(el$1, state)) + normalizationType)
-      }
-      var normalizationType$1 = checkSkip
-        ? getNormalizationType(children, state.maybeComponent)
-        : 0;
-      var gen = altGenNode || genNode;
-      return ("[" + (children.map(function (c) { return gen(c, state); }).join(',')) + "]" + (normalizationType$1 ? ("," + normalizationType$1) : ''))
-    }
-  }
-
-  // determine the normalization needed for the children array.
-  // 0: no normalization needed
-  // 1: simple normalization needed (possible 1-level deep nested array)
-  // 2: full normalization needed
-  function getNormalizationType (
-    children,
-    maybeComponent
-  ) {
-    var res = 0;
-    for (var i = 0; i < children.length; i++) {
-      var el = children[i];
-      if (el.type !== 1) {
-        continue
-      }
-      if (needsNormalization(el) ||
-          (el.ifConditions && el.ifConditions.some(function (c) { return needsNormalization(c.block); }))) {
-        res = 2;
-        break
-      }
-      if (maybeComponent(el) ||
-          (el.ifConditions && el.ifConditions.some(function (c) { return maybeComponent(c.block); }))) {
-        res = 1;
-      }
-    }
-    return res
-  }
-
-  function needsNormalization (el) {
-    return el.for !== undefined || el.tag === 'template' || el.tag === 'slot'
-  }
-
-  function genNode (node, state) {
-    if (node.type === 1) {
-      return genElement(node, state)
-    } else if (node.type === 3 && node.isComment) {
-      return genComment(node)
-    } else {
-      return genText(node)
-    }
-  }
-
-  function genText (text) {
-    return ("_v(" + (text.type === 2
-      ? text.expression // no need for () because already wrapped in _s()
-      : transformSpecialNewlines(JSON.stringify(text.text))) + ")")
-  }
-
-  function genComment (comment) {
-    return ("_e(" + (JSON.stringify(comment.text)) + ")")
-  }
-
-  function genSlot (el, state) {
-    var slotName = el.slotName || '"default"';
-    var children = genChildren(el, state);
-    var res = "_t(" + slotName + (children ? (",function(){return " + children + "}") : '');
-    var attrs = el.attrs || el.dynamicAttrs
-      ? genProps((el.attrs || []).concat(el.dynamicAttrs || []).map(function (attr) { return ({
-          // slot props are camelized
-          name: camelize(attr.name),
-          value: attr.value,
-          dynamic: attr.dynamic
-        }); }))
-      : null;
-    var bind$$1 = el.attrsMap['v-bind'];
-    if ((attrs || bind$$1) && !children) {
-      res += ",null";
-    }
-    if (attrs) {
-      res += "," + attrs;
-    }
-    if (bind$$1) {
-      res += (attrs ? '' : ',null') + "," + bind$$1;
-    }
-    return res + ')'
-  }
-
-  // componentName is el.component, take it as argument to shun flow's pessimistic refinement
-  function genComponent (
-    componentName,
-    el,
-    state
-  ) {
-    var children = el.inlineTemplate ? null : genChildren(el, state, true);
-    return ("_c(" + componentName + "," + (genData$2(el, state)) + (children ? ("," + children) : '') + ")")
-  }
-
-  function genProps (props) {
-    var staticProps = "";
-    var dynamicProps = "";
-    for (var i = 0; i < props.length; i++) {
-      var prop = props[i];
-      var value = transformSpecialNewlines(prop.value);
-      if (prop.dynamic) {
-        dynamicProps += (prop.name) + "," + value + ",";
-      } else {
-        staticProps += "\"" + (prop.name) + "\":" + value + ",";
-      }
-    }
-    staticProps = "{" + (staticProps.slice(0, -1)) + "}";
-    if (dynamicProps) {
-      return ("_d(" + staticProps + ",[" + (dynamicProps.slice(0, -1)) + "])")
-    } else {
-      return staticProps
-    }
-  }
-
-  // #3895, #4268
-  function transformSpecialNewlines (text) {
-    return text
-      .replace(/\u2028/g, '\\u2028')
-      .replace(/\u2029/g, '\\u2029')
-  }
-
-  /*  */
-
-
-
-  // these keywords should not appear inside expressions, but operators like
-  // typeof, instanceof and in are allowed
-  var prohibitedKeywordRE = new RegExp('\\b' + (
-    'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
-    'super,throw,while,yield,delete,export,import,return,switch,default,' +
-    'extends,finally,continue,debugger,function,arguments'
-  ).split(',').join('\\b|\\b') + '\\b');
-
-  // these unary operators should not be used as property/method names
-  var unaryOperatorsRE = new RegExp('\\b' + (
-    'delete,typeof,void'
-  ).split(',').join('\\s*\\([^\\)]*\\)|\\b') + '\\s*\\([^\\)]*\\)');
-
-  // strip strings in expressions
-  var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;
-
-  // detect problematic expressions in a template
-  function detectErrors (ast, warn) {
-    if (ast) {
-      checkNode(ast, warn);
-    }
-  }
-
-  function checkNode (node, warn) {
-    if (node.type === 1) {
-      for (var name in node.attrsMap) {
-        if (dirRE.test(name)) {
-          var value = node.attrsMap[name];
-          if (value) {
-            var range = node.rawAttrsMap[name];
-            if (name === 'v-for') {
-              checkFor(node, ("v-for=\"" + value + "\""), warn, range);
-            } else if (name === 'v-slot' || name[0] === '#') {
-              checkFunctionParameterExpression(value, (name + "=\"" + value + "\""), warn, range);
-            } else if (onRE.test(name)) {
-              checkEvent(value, (name + "=\"" + value + "\""), warn, range);
-            } else {
-              checkExpression(value, (name + "=\"" + value + "\""), warn, range);
-            }
-          }
-        }
-      }
-      if (node.children) {
-        for (var i = 0; i < node.children.length; i++) {
-          checkNode(node.children[i], warn);
-        }
-      }
-    } else if (node.type === 2) {
-      checkExpression(node.expression, node.text, warn, node);
-    }
-  }
-
-  function checkEvent (exp, text, warn, range) {
-    var stripped = exp.replace(stripStringRE, '');
-    var keywordMatch = stripped.match(unaryOperatorsRE);
-    if (keywordMatch && stripped.charAt(keywordMatch.index - 1) !== '$') {
-      warn(
-        "avoid using JavaScript unary operator as property name: " +
-        "\"" + (keywordMatch[0]) + "\" in expression " + (text.trim()),
-        range
-      );
-    }
-    checkExpression(exp, text, warn, range);
-  }
-
-  function checkFor (node, text, warn, range) {
-    checkExpression(node.for || '', text, warn, range);
-    checkIdentifier(node.alias, 'v-for alias', text, warn, range);
-    checkIdentifier(node.iterator1, 'v-for iterator', text, warn, range);
-    checkIdentifier(node.iterator2, 'v-for iterator', text, warn, range);
-  }
-
-  function checkIdentifier (
-    ident,
-    type,
-    text,
-    warn,
-    range
-  ) {
-    if (typeof ident === 'string') {
-      try {
-        new Function(("var " + ident + "=_"));
-      } catch (e) {
-        warn(("invalid " + type + " \"" + ident + "\" in expression: " + (text.trim())), range);
-      }
-    }
-  }
-
-  function checkExpression (exp, text, warn, range) {
-    try {
-      new Function(("return " + exp));
-    } catch (e) {
-      var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE);
-      if (keywordMatch) {
-        warn(
-          "avoid using JavaScript keyword as property name: " +
-          "\"" + (keywordMatch[0]) + "\"\n  Raw expression: " + (text.trim()),
-          range
-        );
-      } else {
-        warn(
-          "invalid expression: " + (e.message) + " in\n\n" +
-          "    " + exp + "\n\n" +
-          "  Raw expression: " + (text.trim()) + "\n",
-          range
-        );
-      }
-    }
-  }
-
-  function checkFunctionParameterExpression (exp, text, warn, range) {
-    try {
-      new Function(exp, '');
-    } catch (e) {
-      warn(
-        "invalid function parameter expression: " + (e.message) + " in\n\n" +
-        "    " + exp + "\n\n" +
-        "  Raw expression: " + (text.trim()) + "\n",
-        range
-      );
-    }
-  }
-
-  /*  */
-
-  var range = 2;
-
-  function generateCodeFrame (
-    source,
-    start,
-    end
-  ) {
-    if ( start === void 0 ) start = 0;
-    if ( end === void 0 ) end = source.length;
-
-    var lines = source.split(/\r?\n/);
-    var count = 0;
-    var res = [];
-    for (var i = 0; i < lines.length; i++) {
-      count += lines[i].length + 1;
-      if (count >= start) {
-        for (var j = i - range; j <= i + range || end > count; j++) {
-          if (j < 0 || j >= lines.length) { continue }
-          res.push(("" + (j + 1) + (repeat$1(" ", 3 - String(j + 1).length)) + "|  " + (lines[j])));
-          var lineLength = lines[j].length;
-          if (j === i) {
-            // push underline
-            var pad = start - (count - lineLength) + 1;
-            var length = end > count ? lineLength - pad : end - start;
-            res.push("   |  " + repeat$1(" ", pad) + repeat$1("^", length));
-          } else if (j > i) {
-            if (end > count) {
-              var length$1 = Math.min(end - count, lineLength);
-              res.push("   |  " + repeat$1("^", length$1));
-            }
-            count += lineLength + 1;
-          }
-        }
-        break
-      }
-    }
-    return res.join('\n')
-  }
-
-  function repeat$1 (str, n) {
-    var result = '';
-    if (n > 0) {
-      while (true) { // eslint-disable-line
-        if (n & 1) { result += str; }
-        n >>>= 1;
-        if (n <= 0) { break }
-        str += str;
-      }
-    }
-    return result
-  }
-
-  /*  */
-
-
-
-  function createFunction (code, errors) {
-    try {
-      return new Function(code)
-    } catch (err) {
-      errors.push({ err: err, code: code });
-      return noop
-    }
-  }
-
-  function createCompileToFunctionFn (compile) {
-    var cache = Object.create(null);
-
-    return function compileToFunctions (
-      template,
-      options,
-      vm
-    ) {
-      options = extend({}, options);
-      var warn$$1 = options.warn || warn;
-      delete options.warn;
-
-      /* istanbul ignore if */
-      {
-        // detect possible CSP restriction
-        try {
-          new Function('return 1');
-        } catch (e) {
-          if (e.toString().match(/unsafe-eval|CSP/)) {
-            warn$$1(
-              'It seems you are using the standalone build of Vue.js in an ' +
-              'environment with Content Security Policy that prohibits unsafe-eval. ' +
-              'The template compiler cannot work in this environment. Consider ' +
-              'relaxing the policy to allow unsafe-eval or pre-compiling your ' +
-              'templates into render functions.'
-            );
-          }
-        }
-      }
-
-      // check cache
-      var key = options.delimiters
-        ? String(options.delimiters) + template
-        : template;
-      if (cache[key]) {
-        return cache[key]
-      }
-
-      // compile
-      var compiled = compile(template, options);
-
-      // check compilation errors/tips
-      {
-        if (compiled.errors && compiled.errors.length) {
-          if (options.outputSourceRange) {
-            compiled.errors.forEach(function (e) {
-              warn$$1(
-                "Error compiling template:\n\n" + (e.msg) + "\n\n" +
-                generateCodeFrame(template, e.start, e.end),
-                vm
-              );
-            });
-          } else {
-            warn$$1(
-              "Error compiling template:\n\n" + template + "\n\n" +
-              compiled.errors.map(function (e) { return ("- " + e); }).join('\n') + '\n',
-              vm
-            );
-          }
-        }
-        if (compiled.tips && compiled.tips.length) {
-          if (options.outputSourceRange) {
-            compiled.tips.forEach(function (e) { return tip(e.msg, vm); });
-          } else {
-            compiled.tips.forEach(function (msg) { return tip(msg, vm); });
-          }
-        }
-      }
-
-      // turn code into functions
-      var res = {};
-      var fnGenErrors = [];
-      res.render = createFunction(compiled.render, fnGenErrors);
-      res.staticRenderFns = compiled.staticRenderFns.map(function (code) {
-        return createFunction(code, fnGenErrors)
-      });
-
-      // check function generation errors.
-      // this should only happen if there is a bug in the compiler itself.
-      // mostly for codegen development use
-      /* istanbul ignore if */
-      {
-        if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) {
-          warn$$1(
-            "Failed to generate render function:\n\n" +
-            fnGenErrors.map(function (ref) {
-              var err = ref.err;
-              var code = ref.code;
-
-              return ((err.toString()) + " in\n\n" + code + "\n");
-          }).join('\n'),
-            vm
-          );
-        }
-      }
-
-      return (cache[key] = res)
-    }
-  }
-
-  /*  */
-
-  function createCompilerCreator (baseCompile) {
-    return function createCompiler (baseOptions) {
-      function compile (
-        template,
-        options
-      ) {
-        var finalOptions = Object.create(baseOptions);
-        var errors = [];
-        var tips = [];
-
-        var warn = function (msg, range, tip) {
-          (tip ? tips : errors).push(msg);
-        };
-
-        if (options) {
-          if (options.outputSourceRange) {
-            // $flow-disable-line
-            var leadingSpaceLength = template.match(/^\s*/)[0].length;
-
-            warn = function (msg, range, tip) {
-              var data = { msg: msg };
-              if (range) {
-                if (range.start != null) {
-                  data.start = range.start + leadingSpaceLength;
-                }
-                if (range.end != null) {
-                  data.end = range.end + leadingSpaceLength;
-                }
-              }
-              (tip ? tips : errors).push(data);
-            };
-          }
-          // merge custom modules
-          if (options.modules) {
-            finalOptions.modules =
-              (baseOptions.modules || []).concat(options.modules);
-          }
-          // merge custom directives
-          if (options.directives) {
-            finalOptions.directives = extend(
-              Object.create(baseOptions.directives || null),
-              options.directives
-            );
-          }
-          // copy other options
-          for (var key in options) {
-            if (key !== 'modules' && key !== 'directives') {
-              finalOptions[key] = options[key];
-            }
-          }
-        }
-
-        finalOptions.warn = warn;
-
-        var compiled = baseCompile(template.trim(), finalOptions);
-        {
-          detectErrors(compiled.ast, warn);
-        }
-        compiled.errors = errors;
-        compiled.tips = tips;
-        return compiled
-      }
-
-      return {
-        compile: compile,
-        compileToFunctions: createCompileToFunctionFn(compile)
-      }
-    }
+  function text(el, dir) {
+      if (dir.value) {
+          addProp(el, 'textContent', "_s(".concat(dir.value, ")"), dir);
+      }
   }
 
-  /*  */
-
-  // `createCompilerCreator` allows creating compilers that use alternative
-  // parser/optimizer/codegen, e.g the SSR optimizing compiler.
-  // Here we just export a default compiler using the default parts.
-  var createCompiler = createCompilerCreator(function baseCompile (
-    template,
-    options
-  ) {
-    var ast = parse(template.trim(), options);
-    if (options.optimize !== false) {
-      optimize(ast, options);
-    }
-    var code = generate(ast, options);
-    return {
-      ast: ast,
-      render: code.render,
-      staticRenderFns: code.staticRenderFns
-    }
-  });
-
-  /*  */
-
-  var ref$1 = createCompiler(baseOptions);
-  var compile = ref$1.compile;
-  var compileToFunctions = ref$1.compileToFunctions;
-
-  /*  */
-
-  // check whether current browser encodes a char inside attribute values
-  var div;
-  function getShouldDecode (href) {
-    div = div || document.createElement('div');
-    div.innerHTML = href ? "<a href=\"\n\"/>" : "<div a=\"\n\"/>";
-    return div.innerHTML.indexOf('&#10;') > 0
+  function html(el, dir) {
+      if (dir.value) {
+          addProp(el, 'innerHTML', "_s(".concat(dir.value, ")"), dir);
+      }
   }
 
-  // #3663: IE encodes newlines inside attribute values while other browsers don't
-  var shouldDecodeNewlines = inBrowser ? getShouldDecode(false) : false;
-  // #6828: chrome encodes content in a[href]
-  var shouldDecodeNewlinesForHref = inBrowser ? getShouldDecode(true) : false;
-
-  /*  */
+  var directives = {
+      model: model$1,
+      text: text,
+      html: html
+  };
 
-  var idToTemplate = cached(function (id) {
-    var el = query(id);
-    return el && el.innerHTML
-  });
+  var baseOptions = {
+      expectHTML: true,
+      modules: modules,
+      directives: directives,
+      isPreTag: isPreTag,
+      isUnaryTag: isUnaryTag,
+      mustUseProp: mustUseProp,
+      canBeLeftOpenTag: canBeLeftOpenTag,
+      isReservedTag: isReservedTag,
+      getTagNamespace: getTagNamespace,
+      staticKeys: genStaticKeys$1(modules)
+  };
 
-  var mount = Vue.prototype.$mount;
-  Vue.prototype.$mount = function (
-    el,
-    hydrating
-  ) {
-    el = el && query(el);
-
-    /* istanbul ignore if */
-    if (el === document.body || el === document.documentElement) {
-      warn(
-        "Do not mount Vue to <html> or <body> - mount to normal elements instead."
-      );
-      return this
-    }
-
-    var options = this.$options;
-    // resolve template/el and convert to render function
-    if (!options.render) {
-      var template = options.template;
-      if (template) {
-        if (typeof template === 'string') {
-          if (template.charAt(0) === '#') {
-            template = idToTemplate(template);
-            /* istanbul ignore if */
-            if (!template) {
-              warn(
-                ("Template element not found or is empty: " + (options.template)),
-                this
-              );
-            }
-          }
-        } else if (template.nodeType) {
-          template = template.innerHTML;
-        } else {
-          {
-            warn('invalid template option:' + template, this);
-          }
-          return this
-        }
-      } else if (el) {
-        template = getOuterHTML(el);
-      }
-      if (template) {
-        /* istanbul ignore if */
-        if (config.performance && mark) {
-          mark('compile');
-        }
-
-        var ref = compileToFunctions(template, {
-          outputSourceRange: "development" !== 'production',
-          shouldDecodeNewlines: shouldDecodeNewlines,
-          shouldDecodeNewlinesForHref: shouldDecodeNewlinesForHref,
-          delimiters: options.delimiters,
-          comments: options.comments
-        }, this);
-        var render = ref.render;
-        var staticRenderFns = ref.staticRenderFns;
-        options.render = render;
-        options.staticRenderFns = staticRenderFns;
-
-        /* istanbul ignore if */
-        if (config.performance && mark) {
-          mark('compile end');
-          measure(("vue " + (this._name) + " compile"), 'compile', 'compile end');
-        }
-      }
-    }
-    return mount.call(this, el, hydrating)
+  var isStaticKey;
+  var isPlatformReservedTag;
+  var genStaticKeysCached = cached(genStaticKeys);
+  /**
+   * Goal of the optimizer: walk the generated template AST tree
+   * and detect sub-trees that are purely static, i.e. parts of
+   * the DOM that never needs to change.
+   *
+   * Once we detect these sub-trees, we can:
+   *
+   * 1. Hoist them into constants, so that we no longer need to
+   *    create fresh nodes for them on each re-render;
+   * 2. Completely skip them in the patching process.
+   */
+  function optimize(root, options) {
+      if (!root)
+          return;
+      isStaticKey = genStaticKeysCached(options.staticKeys || '');
+      isPlatformReservedTag = options.isReservedTag || no;
+      // first pass: mark all non-static nodes.
+      markStatic(root);
+      // second pass: mark static roots.
+      markStaticRoots(root, false);
+  }
+  function genStaticKeys(keys) {
+      return makeMap('type,tag,attrsList,attrsMap,plain,parent,children,attrs,start,end,rawAttrsMap' +
+          (keys ? ',' + keys : ''));
+  }
+  function markStatic(node) {
+      node.static = isStatic(node);
+      if (node.type === 1) {
+          // do not make component slot content static. this avoids
+          // 1. components not able to mutate slot nodes
+          // 2. static slot content fails for hot-reloading
+          if (!isPlatformReservedTag(node.tag) &&
+              node.tag !== 'slot' &&
+              node.attrsMap['inline-template'] == null) {
+              return;
+          }
+          for (var i = 0, l = node.children.length; i < l; i++) {
+              var child = node.children[i];
+              markStatic(child);
+              if (!child.static) {
+                  node.static = false;
+              }
+          }
+          if (node.ifConditions) {
+              for (var i = 1, l = node.ifConditions.length; i < l; i++) {
+                  var block = node.ifConditions[i].block;
+                  markStatic(block);
+                  if (!block.static) {
+                      node.static = false;
+                  }
+              }
+          }
+      }
+  }
+  function markStaticRoots(node, isInFor) {
+      if (node.type === 1) {
+          if (node.static || node.once) {
+              node.staticInFor = isInFor;
+          }
+          // For a node to qualify as a static root, it should have children that
+          // are not just static text. Otherwise the cost of hoisting out will
+          // outweigh the benefits and it's better off to just always render it fresh.
+          if (node.static &&
+              node.children.length &&
+              !(node.children.length === 1 && node.children[0].type === 3)) {
+              node.staticRoot = true;
+              return;
+          }
+          else {
+              node.staticRoot = false;
+          }
+          if (node.children) {
+              for (var i = 0, l = node.children.length; i < l; i++) {
+                  markStaticRoots(node.children[i], isInFor || !!node.for);
+              }
+          }
+          if (node.ifConditions) {
+              for (var i = 1, l = node.ifConditions.length; i < l; i++) {
+                  markStaticRoots(node.ifConditions[i].block, isInFor);
+              }
+          }
+      }
+  }
+  function isStatic(node) {
+      if (node.type === 2) {
+          // expression
+          return false;
+      }
+      if (node.type === 3) {
+          // text
+          return true;
+      }
+      return !!(node.pre ||
+          (!node.hasBindings && // no dynamic bindings
+              !node.if &&
+              !node.for && // not v-if or v-for or v-else
+              !isBuiltInTag(node.tag) && // not a built-in
+              isPlatformReservedTag(node.tag) && // not a component
+              !isDirectChildOfTemplateFor(node) &&
+              Object.keys(node).every(isStaticKey)));
+  }
+  function isDirectChildOfTemplateFor(node) {
+      while (node.parent) {
+          node = node.parent;
+          if (node.tag !== 'template') {
+              return false;
+          }
+          if (node.for) {
+              return true;
+          }
+      }
+      return false;
+  }
+
+  var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function(?:\s+[\w$]+)?\s*\(/;
+  var fnInvokeRE = /\([^)]*?\);*$/;
+  var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;
+  // KeyboardEvent.keyCode aliases
+  var keyCodes = {
+      esc: 27,
+      tab: 9,
+      enter: 13,
+      space: 32,
+      up: 38,
+      left: 37,
+      right: 39,
+      down: 40,
+      delete: [8, 46]
+  };
+  // KeyboardEvent.key aliases
+  var keyNames = {
+      // #7880: IE11 and Edge use `Esc` for Escape key name.
+      esc: ['Esc', 'Escape'],
+      tab: 'Tab',
+      enter: 'Enter',
+      // #9112: IE11 uses `Spacebar` for Space key name.
+      space: [' ', 'Spacebar'],
+      // #7806: IE11 uses key names without `Arrow` prefix for arrow keys.
+      up: ['Up', 'ArrowUp'],
+      left: ['Left', 'ArrowLeft'],
+      right: ['Right', 'ArrowRight'],
+      down: ['Down', 'ArrowDown'],
+      // #9112: IE11 uses `Del` for Delete key name.
+      delete: ['Backspace', 'Delete', 'Del']
+  };
+  // #4868: modifiers that prevent the execution of the listener
+  // need to explicitly return null so that we can determine whether to remove
+  // the listener for .once
+  var genGuard = function (condition) { return "if(".concat(condition, ")return null;"); };
+  var modifierCode = {
+      stop: '$event.stopPropagation();',
+      prevent: '$event.preventDefault();',
+      self: genGuard("$event.target !== $event.currentTarget"),
+      ctrl: genGuard("!$event.ctrlKey"),
+      shift: genGuard("!$event.shiftKey"),
+      alt: genGuard("!$event.altKey"),
+      meta: genGuard("!$event.metaKey"),
+      left: genGuard("'button' in $event && $event.button !== 0"),
+      middle: genGuard("'button' in $event && $event.button !== 1"),
+      right: genGuard("'button' in $event && $event.button !== 2")
+  };
+  function genHandlers(events, isNative) {
+      var prefix = isNative ? 'nativeOn:' : 'on:';
+      var staticHandlers = "";
+      var dynamicHandlers = "";
+      for (var name_1 in events) {
+          var handlerCode = genHandler(events[name_1]);
+          //@ts-expect-error
+          if (events[name_1] && events[name_1].dynamic) {
+              dynamicHandlers += "".concat(name_1, ",").concat(handlerCode, ",");
+          }
+          else {
+              staticHandlers += "\"".concat(name_1, "\":").concat(handlerCode, ",");
+          }
+      }
+      staticHandlers = "{".concat(staticHandlers.slice(0, -1), "}");
+      if (dynamicHandlers) {
+          return prefix + "_d(".concat(staticHandlers, ",[").concat(dynamicHandlers.slice(0, -1), "])");
+      }
+      else {
+          return prefix + staticHandlers;
+      }
+  }
+  function genHandler(handler) {
+      if (!handler) {
+          return 'function(){}';
+      }
+      if (Array.isArray(handler)) {
+          return "[".concat(handler.map(function (handler) { return genHandler(handler); }).join(','), "]");
+      }
+      var isMethodPath = simplePathRE.test(handler.value);
+      var isFunctionExpression = fnExpRE.test(handler.value);
+      var isFunctionInvocation = simplePathRE.test(handler.value.replace(fnInvokeRE, ''));
+      if (!handler.modifiers) {
+          if (isMethodPath || isFunctionExpression) {
+              return handler.value;
+          }
+          return "function($event){".concat(isFunctionInvocation ? "return ".concat(handler.value) : handler.value, "}"); // inline statement
+      }
+      else {
+          var code = '';
+          var genModifierCode = '';
+          var keys = [];
+          var _loop_1 = function (key) {
+              if (modifierCode[key]) {
+                  genModifierCode += modifierCode[key];
+                  // left/right
+                  if (keyCodes[key]) {
+                      keys.push(key);
+                  }
+              }
+              else if (key === 'exact') {
+                  var modifiers_1 = handler.modifiers;
+                  genModifierCode += genGuard(['ctrl', 'shift', 'alt', 'meta']
+                      .filter(function (keyModifier) { return !modifiers_1[keyModifier]; })
+                      .map(function (keyModifier) { return "$event.".concat(keyModifier, "Key"); })
+                      .join('||'));
+              }
+              else {
+                  keys.push(key);
+              }
+          };
+          for (var key in handler.modifiers) {
+              _loop_1(key);
+          }
+          if (keys.length) {
+              code += genKeyFilter(keys);
+          }
+          // Make sure modifiers like prevent and stop get executed after key filtering
+          if (genModifierCode) {
+              code += genModifierCode;
+          }
+          var handlerCode = isMethodPath
+              ? "return ".concat(handler.value, ".apply(null, arguments)")
+              : isFunctionExpression
+                  ? "return (".concat(handler.value, ").apply(null, arguments)")
+                  : isFunctionInvocation
+                      ? "return ".concat(handler.value)
+                      : handler.value;
+          return "function($event){".concat(code).concat(handlerCode, "}");
+      }
+  }
+  function genKeyFilter(keys) {
+      return (
+      // make sure the key filters only apply to KeyboardEvents
+      // #9441: can't use 'keyCode' in $event because Chrome autofill fires fake
+      // key events that do not have keyCode property...
+      "if(!$event.type.indexOf('key')&&" +
+          "".concat(keys.map(genFilterCode).join('&&'), ")return null;"));
+  }
+  function genFilterCode(key) {
+      var keyVal = parseInt(key, 10);
+      if (keyVal) {
+          return "$event.keyCode!==".concat(keyVal);
+      }
+      var keyCode = keyCodes[key];
+      var keyName = keyNames[key];
+      return ("_k($event.keyCode," +
+          "".concat(JSON.stringify(key), ",") +
+          "".concat(JSON.stringify(keyCode), ",") +
+          "$event.key," +
+          "".concat(JSON.stringify(keyName)) +
+          ")");
+  }
+
+  function on(el, dir) {
+      if (dir.modifiers) {
+          warn$2("v-on without argument does not support modifiers.");
+      }
+      el.wrapListeners = function (code) { return "_g(".concat(code, ",").concat(dir.value, ")"); };
+  }
+
+  function bind(el, dir) {
+      el.wrapData = function (code) {
+          return "_b(".concat(code, ",'").concat(el.tag, "',").concat(dir.value, ",").concat(dir.modifiers && dir.modifiers.prop ? 'true' : 'false').concat(dir.modifiers && dir.modifiers.sync ? ',true' : '', ")");
+      };
+  }
+
+  var baseDirectives = {
+      on: on,
+      bind: bind,
+      cloak: noop
   };
 
-  /**
-   * Get outerHTML of elements, taking care
-   * of SVG elements in IE as well.
-   */
-  function getOuterHTML (el) {
-    if (el.outerHTML) {
-      return el.outerHTML
-    } else {
-      var container = document.createElement('div');
-      container.appendChild(el.cloneNode(true));
-      return container.innerHTML
-    }
-  }
+  var CodegenState = /** @class */ (function () {
+      function CodegenState(options) {
+          this.options = options;
+          this.warn = options.warn || baseWarn;
+          this.transforms = pluckModuleFunction(options.modules, 'transformCode');
+          this.dataGenFns = pluckModuleFunction(options.modules, 'genData');
+          this.directives = extend(extend({}, baseDirectives), options.directives);
+          var isReservedTag = options.isReservedTag || no;
+          this.maybeComponent = function (el) {
+              return !!el.component || !isReservedTag(el.tag);
+          };
+          this.onceId = 0;
+          this.staticRenderFns = [];
+          this.pre = false;
+      }
+      return CodegenState;
+  }());
+  function generate(ast, options) {
+      var state = new CodegenState(options);
+      // fix #11483, Root level <script> tags should not be rendered.
+      var code = ast
+          ? ast.tag === 'script'
+              ? 'null'
+              : genElement(ast, state)
+          : '_c("div")';
+      return {
+          render: "with(this){return ".concat(code, "}"),
+          staticRenderFns: state.staticRenderFns
+      };
+  }
+  function genElement(el, state) {
+      if (el.parent) {
+          el.pre = el.pre || el.parent.pre;
+      }
+      if (el.staticRoot && !el.staticProcessed) {
+          return genStatic(el, state);
+      }
+      else if (el.once && !el.onceProcessed) {
+          return genOnce(el, state);
+      }
+      else if (el.for && !el.forProcessed) {
+          return genFor(el, state);
+      }
+      else if (el.if && !el.ifProcessed) {
+          return genIf(el, state);
+      }
+      else if (el.tag === 'template' && !el.slotTarget && !state.pre) {
+          return genChildren(el, state) || 'void 0';
+      }
+      else if (el.tag === 'slot') {
+          return genSlot(el, state);
+      }
+      else {
+          // component or element
+          var code = void 0;
+          if (el.component) {
+              code = genComponent(el.component, el, state);
+          }
+          else {
+              var data = void 0;
+              if (!el.plain || (el.pre && state.maybeComponent(el))) {
+                  data = genData(el, state);
+              }
+              var tag 
+              // check if this is a component in <script setup>
+              = void 0;
+              // check if this is a component in <script setup>
+              var bindings = state.options.bindings;
+              if (bindings && bindings.__isScriptSetup !== false) {
+                  tag =
+                      checkBindingType(bindings, el.tag) ||
+                          checkBindingType(bindings, camelize(el.tag)) ||
+                          checkBindingType(bindings, capitalize(camelize(el.tag)));
+              }
+              if (!tag)
+                  tag = "'".concat(el.tag, "'");
+              var children = el.inlineTemplate ? null : genChildren(el, state, true);
+              code = "_c(".concat(tag).concat(data ? ",".concat(data) : '' // data
+              ).concat(children ? ",".concat(children) : '' // children
+              , ")");
+          }
+          // module transforms
+          for (var i = 0; i < state.transforms.length; i++) {
+              code = state.transforms[i](el, code);
+          }
+          return code;
+      }
+  }
+  function checkBindingType(bindings, key) {
+      var type = bindings[key];
+      if (type && type.startsWith('setup')) {
+          return key;
+      }
+  }
+  // hoist static sub-trees out
+  function genStatic(el, state) {
+      el.staticProcessed = true;
+      // Some elements (templates) need to behave differently inside of a v-pre
+      // node.  All pre nodes are static roots, so we can use this as a location to
+      // wrap a state change and reset it upon exiting the pre node.
+      var originalPreState = state.pre;
+      if (el.pre) {
+          state.pre = el.pre;
+      }
+      state.staticRenderFns.push("with(this){return ".concat(genElement(el, state), "}"));
+      state.pre = originalPreState;
+      return "_m(".concat(state.staticRenderFns.length - 1).concat(el.staticInFor ? ',true' : '', ")");
+  }
+  // v-once
+  function genOnce(el, state) {
+      el.onceProcessed = true;
+      if (el.if && !el.ifProcessed) {
+          return genIf(el, state);
+      }
+      else if (el.staticInFor) {
+          var key = '';
+          var parent_1 = el.parent;
+          while (parent_1) {
+              if (parent_1.for) {
+                  key = parent_1.key;
+                  break;
+              }
+              parent_1 = parent_1.parent;
+          }
+          if (!key) {
+              state.warn("v-once can only be used inside v-for that is keyed. ", el.rawAttrsMap['v-once']);
+              return genElement(el, state);
+          }
+          return "_o(".concat(genElement(el, state), ",").concat(state.onceId++, ",").concat(key, ")");
+      }
+      else {
+          return genStatic(el, state);
+      }
+  }
+  function genIf(el, state, altGen, altEmpty) {
+      el.ifProcessed = true; // avoid recursion
+      return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty);
+  }
+  function genIfConditions(conditions, state, altGen, altEmpty) {
+      if (!conditions.length) {
+          return altEmpty || '_e()';
+      }
+      var condition = conditions.shift();
+      if (condition.exp) {
+          return "(".concat(condition.exp, ")?").concat(genTernaryExp(condition.block), ":").concat(genIfConditions(conditions, state, altGen, altEmpty));
+      }
+      else {
+          return "".concat(genTernaryExp(condition.block));
+      }
+      // v-if with v-once should generate code like (a)?_m(0):_m(1)
+      function genTernaryExp(el) {
+          return altGen
+              ? altGen(el, state)
+              : el.once
+                  ? genOnce(el, state)
+                  : genElement(el, state);
+      }
+  }
+  function genFor(el, state, altGen, altHelper) {
+      var exp = el.for;
+      var alias = el.alias;
+      var iterator1 = el.iterator1 ? ",".concat(el.iterator1) : '';
+      var iterator2 = el.iterator2 ? ",".concat(el.iterator2) : '';
+      if (state.maybeComponent(el) &&
+          el.tag !== 'slot' &&
+          el.tag !== 'template' &&
+          !el.key) {
+          state.warn("<".concat(el.tag, " v-for=\"").concat(alias, " in ").concat(exp, "\">: component lists rendered with ") +
+              "v-for should have explicit keys. " +
+              "See https://vuejs.org/guide/list.html#key for more info.", el.rawAttrsMap['v-for'], true /* tip */);
+      }
+      el.forProcessed = true; // avoid recursion
+      return ("".concat(altHelper || '_l', "((").concat(exp, "),") +
+          "function(".concat(alias).concat(iterator1).concat(iterator2, "){") +
+          "return ".concat((altGen || genElement)(el, state)) +
+          '})');
+  }
+  function genData(el, state) {
+      var data = '{';
+      // directives first.
+      // directives may mutate the el's other properties before they are generated.
+      var dirs = genDirectives(el, state);
+      if (dirs)
+          data += dirs + ',';
+      // key
+      if (el.key) {
+          data += "key:".concat(el.key, ",");
+      }
+      // ref
+      if (el.ref) {
+          data += "ref:".concat(el.ref, ",");
+      }
+      if (el.refInFor) {
+          data += "refInFor:true,";
+      }
+      // pre
+      if (el.pre) {
+          data += "pre:true,";
+      }
+      // record original tag name for components using "is" attribute
+      if (el.component) {
+          data += "tag:\"".concat(el.tag, "\",");
+      }
+      // module data generation functions
+      for (var i = 0; i < state.dataGenFns.length; i++) {
+          data += state.dataGenFns[i](el);
+      }
+      // attributes
+      if (el.attrs) {
+          data += "attrs:".concat(genProps(el.attrs), ",");
+      }
+      // DOM props
+      if (el.props) {
+          data += "domProps:".concat(genProps(el.props), ",");
+      }
+      // event handlers
+      if (el.events) {
+          data += "".concat(genHandlers(el.events, false), ",");
+      }
+      if (el.nativeEvents) {
+          data += "".concat(genHandlers(el.nativeEvents, true), ",");
+      }
+      // slot target
+      // only for non-scoped slots
+      if (el.slotTarget && !el.slotScope) {
+          data += "slot:".concat(el.slotTarget, ",");
+      }
+      // scoped slots
+      if (el.scopedSlots) {
+          data += "".concat(genScopedSlots(el, el.scopedSlots, state), ",");
+      }
+      // component v-model
+      if (el.model) {
+          data += "model:{value:".concat(el.model.value, ",callback:").concat(el.model.callback, ",expression:").concat(el.model.expression, "},");
+      }
+      // inline-template
+      if (el.inlineTemplate) {
+          var inlineTemplate = genInlineTemplate(el, state);
+          if (inlineTemplate) {
+              data += "".concat(inlineTemplate, ",");
+          }
+      }
+      data = data.replace(/,$/, '') + '}';
+      // v-bind dynamic argument wrap
+      // v-bind with dynamic arguments must be applied using the same v-bind object
+      // merge helper so that class/style/mustUseProp attrs are handled correctly.
+      if (el.dynamicAttrs) {
+          data = "_b(".concat(data, ",\"").concat(el.tag, "\",").concat(genProps(el.dynamicAttrs), ")");
+      }
+      // v-bind data wrap
+      if (el.wrapData) {
+          data = el.wrapData(data);
+      }
+      // v-on data wrap
+      if (el.wrapListeners) {
+          data = el.wrapListeners(data);
+      }
+      return data;
+  }
+  function genDirectives(el, state) {
+      var dirs = el.directives;
+      if (!dirs)
+          return;
+      var res = 'directives:[';
+      var hasRuntime = false;
+      var i, l, dir, needRuntime;
+      for (i = 0, l = dirs.length; i < l; i++) {
+          dir = dirs[i];
+          needRuntime = true;
+          var gen = state.directives[dir.name];
+          if (gen) {
+              // compile-time directive that manipulates AST.
+              // returns true if it also needs a runtime counterpart.
+              needRuntime = !!gen(el, dir, state.warn);
+          }
+          if (needRuntime) {
+              hasRuntime = true;
+              res += "{name:\"".concat(dir.name, "\",rawName:\"").concat(dir.rawName, "\"").concat(dir.value
+                  ? ",value:(".concat(dir.value, "),expression:").concat(JSON.stringify(dir.value))
+                  : '').concat(dir.arg ? ",arg:".concat(dir.isDynamicArg ? dir.arg : "\"".concat(dir.arg, "\"")) : '').concat(dir.modifiers ? ",modifiers:".concat(JSON.stringify(dir.modifiers)) : '', "},");
+          }
+      }
+      if (hasRuntime) {
+          return res.slice(0, -1) + ']';
+      }
+  }
+  function genInlineTemplate(el, state) {
+      var ast = el.children[0];
+      if ((el.children.length !== 1 || ast.type !== 1)) {
+          state.warn('Inline-template components must have exactly one child element.', { start: el.start });
+      }
+      if (ast && ast.type === 1) {
+          var inlineRenderFns = generate(ast, state.options);
+          return "inlineTemplate:{render:function(){".concat(inlineRenderFns.render, "},staticRenderFns:[").concat(inlineRenderFns.staticRenderFns
+              .map(function (code) { return "function(){".concat(code, "}"); })
+              .join(','), "]}");
+      }
+  }
+  function genScopedSlots(el, slots, state) {
+      // by default scoped slots are considered "stable", this allows child
+      // components with only scoped slots to skip forced updates from parent.
+      // but in some cases we have to bail-out of this optimization
+      // for example if the slot contains dynamic names, has v-if or v-for on them...
+      var needsForceUpdate = el.for ||
+          Object.keys(slots).some(function (key) {
+              var slot = slots[key];
+              return (slot.slotTargetDynamic || slot.if || slot.for || containsSlotChild(slot) // is passing down slot from parent which may be dynamic
+              );
+          });
+      // #9534: if a component with scoped slots is inside a conditional branch,
+      // it's possible for the same component to be reused but with different
+      // compiled slot content. To avoid that, we generate a unique key based on
+      // the generated code of all the slot contents.
+      var needsKey = !!el.if;
+      // OR when it is inside another scoped slot or v-for (the reactivity may be
+      // disconnected due to the intermediate scope variable)
+      // #9438, #9506
+      // TODO: this can be further optimized by properly analyzing in-scope bindings
+      // and skip force updating ones that do not actually use scope variables.
+      if (!needsForceUpdate) {
+          var parent_2 = el.parent;
+          while (parent_2) {
+              if ((parent_2.slotScope && parent_2.slotScope !== emptySlotScopeToken) ||
+                  parent_2.for) {
+                  needsForceUpdate = true;
+                  break;
+              }
+              if (parent_2.if) {
+                  needsKey = true;
+              }
+              parent_2 = parent_2.parent;
+          }
+      }
+      var generatedSlots = Object.keys(slots)
+          .map(function (key) { return genScopedSlot(slots[key], state); })
+          .join(',');
+      return "scopedSlots:_u([".concat(generatedSlots, "]").concat(needsForceUpdate ? ",null,true" : "").concat(!needsForceUpdate && needsKey ? ",null,false,".concat(hash(generatedSlots)) : "", ")");
+  }
+  function hash(str) {
+      var hash = 5381;
+      var i = str.length;
+      while (i) {
+          hash = (hash * 33) ^ str.charCodeAt(--i);
+      }
+      return hash >>> 0;
+  }
+  function containsSlotChild(el) {
+      if (el.type === 1) {
+          if (el.tag === 'slot') {
+              return true;
+          }
+          return el.children.some(containsSlotChild);
+      }
+      return false;
+  }
+  function genScopedSlot(el, state) {
+      var isLegacySyntax = el.attrsMap['slot-scope'];
+      if (el.if && !el.ifProcessed && !isLegacySyntax) {
+          return genIf(el, state, genScopedSlot, "null");
+      }
+      if (el.for && !el.forProcessed) {
+          return genFor(el, state, genScopedSlot);
+      }
+      var slotScope = el.slotScope === emptySlotScopeToken ? "" : String(el.slotScope);
+      var fn = "function(".concat(slotScope, "){") +
+          "return ".concat(el.tag === 'template'
+              ? el.if && isLegacySyntax
+                  ? "(".concat(el.if, ")?").concat(genChildren(el, state) || 'undefined', ":undefined")
+                  : genChildren(el, state) || 'undefined'
+              : genElement(el, state), "}");
+      // reverse proxy v-slot without scope on this.$slots
+      var reverseProxy = slotScope ? "" : ",proxy:true";
+      return "{key:".concat(el.slotTarget || "\"default\"", ",fn:").concat(fn).concat(reverseProxy, "}");
+  }
+  function genChildren(el, state, checkSkip, altGenElement, altGenNode) {
+      var children = el.children;
+      if (children.length) {
+          var el_1 = children[0];
+          // optimize single v-for
+          if (children.length === 1 &&
+              el_1.for &&
+              el_1.tag !== 'template' &&
+              el_1.tag !== 'slot') {
+              var normalizationType_1 = checkSkip
+                  ? state.maybeComponent(el_1)
+                      ? ",1"
+                      : ",0"
+                  : "";
+              return "".concat((altGenElement || genElement)(el_1, state)).concat(normalizationType_1);
+          }
+          var normalizationType = checkSkip
+              ? getNormalizationType(children, state.maybeComponent)
+              : 0;
+          var gen_1 = altGenNode || genNode;
+          return "[".concat(children.map(function (c) { return gen_1(c, state); }).join(','), "]").concat(normalizationType ? ",".concat(normalizationType) : '');
+      }
+  }
+  // determine the normalization needed for the children array.
+  // 0: no normalization needed
+  // 1: simple normalization needed (possible 1-level deep nested array)
+  // 2: full normalization needed
+  function getNormalizationType(children, maybeComponent) {
+      var res = 0;
+      for (var i = 0; i < children.length; i++) {
+          var el = children[i];
+          if (el.type !== 1) {
+              continue;
+          }
+          if (needsNormalization(el) ||
+              (el.ifConditions &&
+                  el.ifConditions.some(function (c) { return needsNormalization(c.block); }))) {
+              res = 2;
+              break;
+          }
+          if (maybeComponent(el) ||
+              (el.ifConditions && el.ifConditions.some(function (c) { return maybeComponent(c.block); }))) {
+              res = 1;
+          }
+      }
+      return res;
+  }
+  function needsNormalization(el) {
+      return el.for !== undefined || el.tag === 'template' || el.tag === 'slot';
+  }
+  function genNode(node, state) {
+      if (node.type === 1) {
+          return genElement(node, state);
+      }
+      else if (node.type === 3 && node.isComment) {
+          return genComment(node);
+      }
+      else {
+          return genText(node);
+      }
+  }
+  function genText(text) {
+      return "_v(".concat(text.type === 2
+          ? text.expression // no need for () because already wrapped in _s()
+          : transformSpecialNewlines(JSON.stringify(text.text)), ")");
+  }
+  function genComment(comment) {
+      return "_e(".concat(JSON.stringify(comment.text), ")");
+  }
+  function genSlot(el, state) {
+      var slotName = el.slotName || '"default"';
+      var children = genChildren(el, state);
+      var res = "_t(".concat(slotName).concat(children ? ",function(){return ".concat(children, "}") : '');
+      var attrs = el.attrs || el.dynamicAttrs
+          ? genProps((el.attrs || []).concat(el.dynamicAttrs || []).map(function (attr) { return ({
+              // slot props are camelized
+              name: camelize(attr.name),
+              value: attr.value,
+              dynamic: attr.dynamic
+          }); }))
+          : null;
+      var bind = el.attrsMap['v-bind'];
+      if ((attrs || bind) && !children) {
+          res += ",null";
+      }
+      if (attrs) {
+          res += ",".concat(attrs);
+      }
+      if (bind) {
+          res += "".concat(attrs ? '' : ',null', ",").concat(bind);
+      }
+      return res + ')';
+  }
+  // componentName is el.component, take it as argument to shun flow's pessimistic refinement
+  function genComponent(componentName, el, state) {
+      var children = el.inlineTemplate ? null : genChildren(el, state, true);
+      return "_c(".concat(componentName, ",").concat(genData(el, state)).concat(children ? ",".concat(children) : '', ")");
+  }
+  function genProps(props) {
+      var staticProps = "";
+      var dynamicProps = "";
+      for (var i = 0; i < props.length; i++) {
+          var prop = props[i];
+          var value = transformSpecialNewlines(prop.value);
+          if (prop.dynamic) {
+              dynamicProps += "".concat(prop.name, ",").concat(value, ",");
+          }
+          else {
+              staticProps += "\"".concat(prop.name, "\":").concat(value, ",");
+          }
+      }
+      staticProps = "{".concat(staticProps.slice(0, -1), "}");
+      if (dynamicProps) {
+          return "_d(".concat(staticProps, ",[").concat(dynamicProps.slice(0, -1), "])");
+      }
+      else {
+          return staticProps;
+      }
+  }
+  // #3895, #4268
+  function transformSpecialNewlines(text) {
+      return text.replace(/\u2028/g, '\\u2028').replace(/\u2029/g, '\\u2029');
+  }
+
+  // these keywords should not appear inside expressions, but operators like
+  // typeof, instanceof and in are allowed
+  var prohibitedKeywordRE = new RegExp('\\b' +
+      ('do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
+          'super,throw,while,yield,delete,export,import,return,switch,default,' +
+          'extends,finally,continue,debugger,function,arguments')
+          .split(',')
+          .join('\\b|\\b') +
+      '\\b');
+  // these unary operators should not be used as property/method names
+  var unaryOperatorsRE = new RegExp('\\b' +
+      'delete,typeof,void'.split(',').join('\\s*\\([^\\)]*\\)|\\b') +
+      '\\s*\\([^\\)]*\\)');
+  // strip strings in expressions
+  var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;
+  // detect problematic expressions in a template
+  function detectErrors(ast, warn) {
+      if (ast) {
+          checkNode(ast, warn);
+      }
+  }
+  function checkNode(node, warn) {
+      if (node.type === 1) {
+          for (var name_1 in node.attrsMap) {
+              if (dirRE.test(name_1)) {
+                  var value = node.attrsMap[name_1];
+                  if (value) {
+                      var range = node.rawAttrsMap[name_1];
+                      if (name_1 === 'v-for') {
+                          checkFor(node, "v-for=\"".concat(value, "\""), warn, range);
+                      }
+                      else if (name_1 === 'v-slot' || name_1[0] === '#') {
+                          checkFunctionParameterExpression(value, "".concat(name_1, "=\"").concat(value, "\""), warn, range);
+                      }
+                      else if (onRE.test(name_1)) {
+                          checkEvent(value, "".concat(name_1, "=\"").concat(value, "\""), warn, range);
+                      }
+                      else {
+                          checkExpression(value, "".concat(name_1, "=\"").concat(value, "\""), warn, range);
+                      }
+                  }
+              }
+          }
+          if (node.children) {
+              for (var i = 0; i < node.children.length; i++) {
+                  checkNode(node.children[i], warn);
+              }
+          }
+      }
+      else if (node.type === 2) {
+          checkExpression(node.expression, node.text, warn, node);
+      }
+  }
+  function checkEvent(exp, text, warn, range) {
+      var stripped = exp.replace(stripStringRE, '');
+      var keywordMatch = stripped.match(unaryOperatorsRE);
+      if (keywordMatch && stripped.charAt(keywordMatch.index - 1) !== '$') {
+          warn("avoid using JavaScript unary operator as property name: " +
+              "\"".concat(keywordMatch[0], "\" in expression ").concat(text.trim()), range);
+      }
+      checkExpression(exp, text, warn, range);
+  }
+  function checkFor(node, text, warn, range) {
+      checkExpression(node.for || '', text, warn, range);
+      checkIdentifier(node.alias, 'v-for alias', text, warn, range);
+      checkIdentifier(node.iterator1, 'v-for iterator', text, warn, range);
+      checkIdentifier(node.iterator2, 'v-for iterator', text, warn, range);
+  }
+  function checkIdentifier(ident, type, text, warn, range) {
+      if (typeof ident === 'string') {
+          try {
+              new Function("var ".concat(ident, "=_"));
+          }
+          catch (e) {
+              warn("invalid ".concat(type, " \"").concat(ident, "\" in expression: ").concat(text.trim()), range);
+          }
+      }
+  }
+  function checkExpression(exp, text, warn, range) {
+      try {
+          new Function("return ".concat(exp));
+      }
+      catch (e) {
+          var keywordMatch = exp
+              .replace(stripStringRE, '')
+              .match(prohibitedKeywordRE);
+          if (keywordMatch) {
+              warn("avoid using JavaScript keyword as property name: " +
+                  "\"".concat(keywordMatch[0], "\"\n  Raw expression: ").concat(text.trim()), range);
+          }
+          else {
+              warn("invalid expression: ".concat(e.message, " in\n\n") +
+                  "    ".concat(exp, "\n\n") +
+                  "  Raw expression: ".concat(text.trim(), "\n"), range);
+          }
+      }
+  }
+  function checkFunctionParameterExpression(exp, text, warn, range) {
+      try {
+          new Function(exp, '');
+      }
+      catch (e) {
+          warn("invalid function parameter expression: ".concat(e.message, " in\n\n") +
+              "    ".concat(exp, "\n\n") +
+              "  Raw expression: ".concat(text.trim(), "\n"), range);
+      }
+  }
+
+  var range = 2;
+  function generateCodeFrame(source, start, end) {
+      if (start === void 0) { start = 0; }
+      if (end === void 0) { end = source.length; }
+      var lines = source.split(/\r?\n/);
+      var count = 0;
+      var res = [];
+      for (var i = 0; i < lines.length; i++) {
+          count += lines[i].length + 1;
+          if (count >= start) {
+              for (var j = i - range; j <= i + range || end > count; j++) {
+                  if (j < 0 || j >= lines.length)
+                      continue;
+                  res.push("".concat(j + 1).concat(repeat(" ", 3 - String(j + 1).length), "|  ").concat(lines[j]));
+                  var lineLength = lines[j].length;
+                  if (j === i) {
+                      // push underline
+                      var pad = start - (count - lineLength) + 1;
+                      var length_1 = end > count ? lineLength - pad : end - start;
+                      res.push("   |  " + repeat(" ", pad) + repeat("^", length_1));
+                  }
+                  else if (j > i) {
+                      if (end > count) {
+                          var length_2 = Math.min(end - count, lineLength);
+                          res.push("   |  " + repeat("^", length_2));
+                      }
+                      count += lineLength + 1;
+                  }
+              }
+              break;
+          }
+      }
+      return res.join('\n');
+  }
+  function repeat(str, n) {
+      var result = '';
+      if (n > 0) {
+          // eslint-disable-next-line no-constant-condition
+          while (true) {
+              // eslint-disable-line
+              if (n & 1)
+                  result += str;
+              n >>>= 1;
+              if (n <= 0)
+                  break;
+              str += str;
+          }
+      }
+      return result;
+  }
+
+  function createFunction(code, errors) {
+      try {
+          return new Function(code);
+      }
+      catch (err) {
+          errors.push({ err: err, code: code });
+          return noop;
+      }
+  }
+  function createCompileToFunctionFn(compile) {
+      var cache = Object.create(null);
+      return function compileToFunctions(template, options, vm) {
+          options = extend({}, options);
+          var warn = options.warn || warn$2;
+          delete options.warn;
+          /* istanbul ignore if */
+          {
+              // detect possible CSP restriction
+              try {
+                  new Function('return 1');
+              }
+              catch (e) {
+                  if (e.toString().match(/unsafe-eval|CSP/)) {
+                      warn('It seems you are using the standalone build of Vue.js in an ' +
+                          'environment with Content Security Policy that prohibits unsafe-eval. ' +
+                          'The template compiler cannot work in this environment. Consider ' +
+                          'relaxing the policy to allow unsafe-eval or pre-compiling your ' +
+                          'templates into render functions.');
+                  }
+              }
+          }
+          // check cache
+          var key = options.delimiters
+              ? String(options.delimiters) + template
+              : template;
+          if (cache[key]) {
+              return cache[key];
+          }
+          // compile
+          var compiled = compile(template, options);
+          // check compilation errors/tips
+          {
+              if (compiled.errors && compiled.errors.length) {
+                  if (options.outputSourceRange) {
+                      compiled.errors.forEach(function (e) {
+                          warn("Error compiling template:\n\n".concat(e.msg, "\n\n") +
+                              generateCodeFrame(template, e.start, e.end), vm);
+                      });
+                  }
+                  else {
+                      warn("Error compiling template:\n\n".concat(template, "\n\n") +
+                          compiled.errors.map(function (e) { return "- ".concat(e); }).join('\n') +
+                          '\n', vm);
+                  }
+              }
+              if (compiled.tips && compiled.tips.length) {
+                  if (options.outputSourceRange) {
+                      compiled.tips.forEach(function (e) { return tip(e.msg, vm); });
+                  }
+                  else {
+                      compiled.tips.forEach(function (msg) { return tip(msg, vm); });
+                  }
+              }
+          }
+          // turn code into functions
+          var res = {};
+          var fnGenErrors = [];
+          res.render = createFunction(compiled.render, fnGenErrors);
+          res.staticRenderFns = compiled.staticRenderFns.map(function (code) {
+              return createFunction(code, fnGenErrors);
+          });
+          // check function generation errors.
+          // this should only happen if there is a bug in the compiler itself.
+          // mostly for codegen development use
+          /* istanbul ignore if */
+          {
+              if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) {
+                  warn("Failed to generate render function:\n\n" +
+                      fnGenErrors
+                          .map(function (_a) {
+                          var err = _a.err, code = _a.code;
+                          return "".concat(err.toString(), " in\n\n").concat(code, "\n");
+                      })
+                          .join('\n'), vm);
+              }
+          }
+          return (cache[key] = res);
+      };
+  }
+
+  function createCompilerCreator(baseCompile) {
+      return function createCompiler(baseOptions) {
+          function compile(template, options) {
+              var finalOptions = Object.create(baseOptions);
+              var errors = [];
+              var tips = [];
+              var warn = function (msg, range, tip) {
+                  (tip ? tips : errors).push(msg);
+              };
+              if (options) {
+                  if (options.outputSourceRange) {
+                      // $flow-disable-line
+                      var leadingSpaceLength_1 = template.match(/^\s*/)[0].length;
+                      warn = function (msg, range, tip) {
+                          var data = typeof msg === 'string' ? { msg: msg } : msg;
+                          if (range) {
+                              if (range.start != null) {
+                                  data.start = range.start + leadingSpaceLength_1;
+                              }
+                              if (range.end != null) {
+                                  data.end = range.end + leadingSpaceLength_1;
+                              }
+                          }
+                          (tip ? tips : errors).push(data);
+                      };
+                  }
+                  // merge custom modules
+                  if (options.modules) {
+                      finalOptions.modules = (baseOptions.modules || []).concat(options.modules);
+                  }
+                  // merge custom directives
+                  if (options.directives) {
+                      finalOptions.directives = extend(Object.create(baseOptions.directives || null), options.directives);
+                  }
+                  // copy other options
+                  for (var key in options) {
+                      if (key !== 'modules' && key !== 'directives') {
+                          finalOptions[key] = options[key];
+                      }
+                  }
+              }
+              finalOptions.warn = warn;
+              var compiled = baseCompile(template.trim(), finalOptions);
+              {
+                  detectErrors(compiled.ast, warn);
+              }
+              compiled.errors = errors;
+              compiled.tips = tips;
+              return compiled;
+          }
+          return {
+              compile: compile,
+              compileToFunctions: createCompileToFunctionFn(compile)
+          };
+      };
+  }
+
+  // `createCompilerCreator` allows creating compilers that use alternative
+  // parser/optimizer/codegen, e.g the SSR optimizing compiler.
+  // Here we just export a default compiler using the default parts.
+  var createCompiler = createCompilerCreator(function baseCompile(template, options) {
+      var ast = parse(template.trim(), options);
+      if (options.optimize !== false) {
+          optimize(ast, options);
+      }
+      var code = generate(ast, options);
+      return {
+          ast: ast,
+          render: code.render,
+          staticRenderFns: code.staticRenderFns
+      };
+  });
 
+  var _a = createCompiler(baseOptions), compileToFunctions = _a.compileToFunctions;
+
+  // check whether current browser encodes a char inside attribute values
+  var div;
+  function getShouldDecode(href) {
+      div = div || document.createElement('div');
+      div.innerHTML = href ? "<a href=\"\n\"/>" : "<div a=\"\n\"/>";
+      return div.innerHTML.indexOf('&#10;') > 0;
+  }
+  // #3663: IE encodes newlines inside attribute values while other browsers don't
+  var shouldDecodeNewlines = inBrowser ? getShouldDecode(false) : false;
+  // #6828: chrome encodes content in a[href]
+  var shouldDecodeNewlinesForHref = inBrowser
+      ? getShouldDecode(true)
+      : false;
+
+  var idToTemplate = cached(function (id) {
+      var el = query(id);
+      return el && el.innerHTML;
+  });
+  var mount = Vue.prototype.$mount;
+  Vue.prototype.$mount = function (el, hydrating) {
+      el = el && query(el);
+      /* istanbul ignore if */
+      if (el === document.body || el === document.documentElement) {
+          warn$2("Do not mount Vue to <html> or <body> - mount to normal elements instead.");
+          return this;
+      }
+      var options = this.$options;
+      // resolve template/el and convert to render function
+      if (!options.render) {
+          var template = options.template;
+          if (template) {
+              if (typeof template === 'string') {
+                  if (template.charAt(0) === '#') {
+                      template = idToTemplate(template);
+                      /* istanbul ignore if */
+                      if (!template) {
+                          warn$2("Template element not found or is empty: ".concat(options.template), this);
+                      }
+                  }
+              }
+              else if (template.nodeType) {
+                  template = template.innerHTML;
+              }
+              else {
+                  {
+                      warn$2('invalid template option:' + template, this);
+                  }
+                  return this;
+              }
+          }
+          else if (el) {
+              // @ts-expect-error
+              template = getOuterHTML(el);
+          }
+          if (template) {
+              /* istanbul ignore if */
+              if (config.performance && mark) {
+                  mark('compile');
+              }
+              var _a = compileToFunctions(template, {
+                  outputSourceRange: true,
+                  shouldDecodeNewlines: shouldDecodeNewlines,
+                  shouldDecodeNewlinesForHref: shouldDecodeNewlinesForHref,
+                  delimiters: options.delimiters,
+                  comments: options.comments
+              }, this), render = _a.render, staticRenderFns = _a.staticRenderFns;
+              options.render = render;
+              options.staticRenderFns = staticRenderFns;
+              /* istanbul ignore if */
+              if (config.performance && mark) {
+                  mark('compile end');
+                  measure("vue ".concat(this._name, " compile"), 'compile', 'compile end');
+              }
+          }
+      }
+      return mount.call(this, el, hydrating);
+  };
+  /**
+   * Get outerHTML of elements, taking care
+   * of SVG elements in IE as well.
+   */
+  function getOuterHTML(el) {
+      if (el.outerHTML) {
+          return el.outerHTML;
+      }
+      else {
+          var container = document.createElement('div');
+          container.appendChild(el.cloneNode(true));
+          return container.innerHTML;
+      }
+  }
   Vue.compile = compileToFunctions;
 
+  // export type EffectScheduler = (...args: any[]) => any
+  /**
+   * @internal since we are not exposing this in Vue 2, it's used only for
+   * internal testing.
+   */
+  function effect(fn, scheduler) {
+      var watcher = new Watcher(currentInstance, fn, noop, {
+          sync: true
+      });
+      if (scheduler) {
+          watcher.update = function () {
+              scheduler(function () { return watcher.run(); });
+          };
+      }
+  }
+
+  extend(Vue, vca);
+  Vue.effect = effect;
+
   return Vue;
 
 }));
diff --git a/themes/vue/source/js/vue.min.js b/themes/vue/source/js/vue.min.js
index d998ff72e4..ab0981a0b4 100644
--- a/themes/vue/source/js/vue.min.js
+++ b/themes/vue/source/js/vue.min.js
@@ -1,6 +1,11 @@
 /*!
- * Vue.js v2.6.14
- * (c) 2014-2021 Evan You
+ * Vue.js v2.7.0
+ * (c) 2014-2022 Evan You
  * Released under the MIT License.
  */
-!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e=e||self).Vue=t()}(this,function(){"use strict";var e=Object.freeze({});function t(e){return null==e}function n(e){return null!=e}function r(e){return!0===e}function i(e){return"string"==typeof e||"number"==typeof e||"symbol"==typeof e||"boolean"==typeof e}function o(e){return null!==e&&"object"==typeof e}var a=Object.prototype.toString;function s(e){return"[object Object]"===a.call(e)}function c(e){var t=parseFloat(String(e));return t>=0&&Math.floor(t)===t&&isFinite(e)}function u(e){return n(e)&&"function"==typeof e.then&&"function"==typeof e.catch}function l(e){return null==e?"":Array.isArray(e)||s(e)&&e.toString===a?JSON.stringify(e,null,2):String(e)}function f(e){var t=parseFloat(e);return isNaN(t)?e:t}function p(e,t){for(var n=Object.create(null),r=e.split(","),i=0;i<r.length;i++)n[r[i]]=!0;return t?function(e){return 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