diff --git a/frontend/src/components/TeamSection.jsx b/frontend/src/components/TeamSection.jsx index 76db4d0..486f99c 100644 --- a/frontend/src/components/TeamSection.jsx +++ b/frontend/src/components/TeamSection.jsx @@ -207,7 +207,8 @@ export default function TeamSection() { speed: 500, slidesToShow: 3, slidesToScroll: 1, - + autoplay: true, // Enable auto sliding + autoplaySpeed: 3000, // Set speed in milliseconds (3 seconds here) responsive: [ { breakpoint: 1024, @@ -234,116 +235,117 @@ export default function TeamSection() { }, ], }; - const Teams = [ - { - id: 1, - pfpImg: "/Team/pfp speakerone.jpeg", - name: "Utkarsh Upadhyay", - post: "Founder & lead", - links: { - linkedIn: "https://www.linkedin.com/in/utk2103/", - twitter: "https://x.com/utk2103", - instagram: "https://instagram.com/utkarsh_k21", - }, + + const Teams = [{ + id: 1, + pfpImg: "/Team/pfp speakerone.jpeg", + name: "Utkarsh Upadhyay", + post: "Founder & lead", + links: { + linkedIn: "https://www.linkedin.com/in/utk2103/", + twitter: "https://x.com/utk2103", + instagram: "https://instagram.com/utkarsh_k21", }, - { - id: 2, - pfpImg: "/Team/Saurabh.png", - name: "Saurabh Upadhyay", - post: "Founder & outreach", - links: { - linkedIn: "#", - twitter: "#", - instagram: "#", - }, + }, + { + id: 2, + pfpImg: "/Team/Saurabh.png", + name: "Saurabh Upadhyay", + post: "Founder & outreach", + links: { + linkedIn: "#", + twitter: "#", + instagram: "#", }, - { - id: 3, - pfpImg: "/Team/Abhishek Sharma.jpg", - name: "Abhishek Sharma", - post: "Web lead", - links: { - linkedIn: "https://www.linkedin.com/in/abhishek-sharma-655182215/", - twitter: "https://x.com/As0755213Sharma", - instagram: "https://www.instagram.com/abhi.navsharma_/", - }, + }, + { + id: 3, + pfpImg: "/Team/Abhishek Sharma.jpg", + name: "Abhishek Sharma", + post: "Web lead", + links: { + linkedIn: "https://www.linkedin.com/in/abhishek-sharma-655182215/", + twitter: "https://x.com/As0755213Sharma", + instagram: "https://www.instagram.com/abhi.navsharma_/", }, - { - id: 4, - pfpImg: "/Team/Aakash Mahajan.png", - name: "Aakash Mahajan", - post: "Web dev contributer", - links: { - linkedIn: "#", - twitter: "#", - instagram: "#", - }, + }, + { + id: 4, + pfpImg: "/Team/Aakash Mahajan.png", + name: "Aakash Mahajan", + post: "Web dev contributer", + links: { + linkedIn: "#", + twitter: "#", + instagram: "#", }, - { - id: 5, - pfpImg: "/Team/RAJVEER SINGH.jpg", - name: "Rajveer Singh", - post: "Community advocate", - links: { - linkedIn: "#", - twitter: "#", - instagram: "#", - }, + }, + { + id: 5, + pfpImg: "/Team/RAJVEER SINGH.jpg", + name: "Rajveer Singh", + post: "Community advocate", + links: { + linkedIn: "#", + twitter: "#", + instagram: "#", }, - { - id: 6, - pfpImg: "/Team/Ashika Gupta.png", - name: "Ashika Gupta", - post: "UI/UX team", - links: { - linkedIn: "#", - twitter: "#", - instagram: "#", - }, + }, + { + id: 6, + pfpImg: "/Team/Ashika Gupta.png", + name: "Ashika Gupta", + post: "UI/UX team", + links: { + linkedIn: "#", + twitter: "#", + instagram: "#", }, - { - id: 7, - pfpImg: "/Team/Kusum Kharayat.jpg", - name: "Kusum Kharayat", - post: "Community advocate", - links: { - linkedIn: "#", - twitter: "#", - instagram: "#", - }, + }, + { + id: 7, + pfpImg: "/Team/Kusum Kharayat.jpg", + name: "Kusum Kharayat", + post: "Community advocate", + links: { + linkedIn: "#", + twitter: "#", + instagram: "#", }, - { - id: 8, - pfpImg: "/Team/YASHDEEP SINGH.jpg", - name: "Yashdeep Singh", - post: "Social media", - links: { - linkedIn: "#", - twitter: "#", - instagram: "#", - }, + }, + { + id: 8, + pfpImg: "/Team/YASHDEEP SINGH.jpg", + name: "Yashdeep Singh", + post: "Social media", + links: { + linkedIn: "#", + twitter: "#", + instagram: "#", }, - { - id: 9, - pfpImg: "/Team/vanshika goel.jpeg", - name: "Vanshika Goel", - post: "PR and social media", - links: { - linkedIn: "#", - twitter: "#", - instagram: "#", - }, + }, + { + id: 9, + pfpImg: "/Team/vanshika goel.jpeg", + name: "Vanshika Goel", + post: "PR and social media", + links: { + linkedIn: "#", + twitter: "#", + instagram: "#", }, - ]; + }, +]; + return ( -
+
-

+

Meet the Team

@@ -354,43 +356,43 @@ export default function TeamSection() {

{/* Slick Slider Section */} -
+
{Teams.map((member) => ( -
+
- + {member.name} -
-

+
+

{member.name}

-
+
{member.post}
- @@ -399,17 +401,11 @@ export default function TeamSection() { ))}
+

- {/* */}
); } + diff --git a/node_modules/.bin/loose-envify b/node_modules/.bin/loose-envify new file mode 100644 index 0000000..60598cb --- /dev/null +++ b/node_modules/.bin/loose-envify @@ -0,0 +1,12 @@ +#!/bin/sh +basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')") + +case `uname` in + *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;; +esac + +if [ -x "$basedir/node" ]; then + exec "$basedir/node" "$basedir/../loose-envify/cli.js" "$@" +else + exec node "$basedir/../loose-envify/cli.js" "$@" +fi diff --git a/node_modules/.bin/loose-envify.cmd b/node_modules/.bin/loose-envify.cmd new file mode 100644 index 0000000..599576f --- /dev/null +++ b/node_modules/.bin/loose-envify.cmd @@ -0,0 +1,17 @@ +@ECHO off +GOTO start +:find_dp0 +SET dp0=%~dp0 +EXIT /b +:start +SETLOCAL +CALL :find_dp0 + +IF EXIST "%dp0%\node.exe" ( + SET "_prog=%dp0%\node.exe" +) ELSE ( + SET "_prog=node" + SET PATHEXT=%PATHEXT:;.JS;=;% +) + +endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\loose-envify\cli.js" %* diff --git a/node_modules/.bin/loose-envify.ps1 b/node_modules/.bin/loose-envify.ps1 new file mode 100644 index 0000000..eb866fc --- /dev/null +++ b/node_modules/.bin/loose-envify.ps1 @@ -0,0 +1,28 @@ +#!/usr/bin/env pwsh +$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent + +$exe="" +if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) { + # Fix case when both the Windows and Linux builds of Node + # are installed in the same directory + $exe=".exe" +} +$ret=0 +if (Test-Path "$basedir/node$exe") { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "$basedir/node$exe" "$basedir/../loose-envify/cli.js" $args + } else { + & "$basedir/node$exe" "$basedir/../loose-envify/cli.js" $args + } + $ret=$LASTEXITCODE +} else { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "node$exe" "$basedir/../loose-envify/cli.js" $args + } else { + & "node$exe" "$basedir/../loose-envify/cli.js" $args + } + $ret=$LASTEXITCODE +} +exit $ret diff --git a/node_modules/.package-lock.json b/node_modules/.package-lock.json new file mode 100644 index 0000000..433a63f --- /dev/null +++ b/node_modules/.package-lock.json @@ -0,0 +1,122 @@ +{ + "name": "Website-devxsphere", + "lockfileVersion": 2, + "requires": true, + "packages": { + "node_modules/classnames": { + "version": "2.5.1", + "resolved": "https://registry.npmjs.org/classnames/-/classnames-2.5.1.tgz", + "integrity": "sha512-saHYOzhIQs6wy2sVxTM6bUDsQO4F50V9RQ22qBpEdCW+I+/Wmke2HOl6lS6dTpdxVhb88/I6+Hs+438c3lfUow==" + }, + "node_modules/enquire.js": { + "version": "2.1.6", + "resolved": "https://registry.npmjs.org/enquire.js/-/enquire.js-2.1.6.tgz", + "integrity": "sha512-/KujNpO+PT63F7Hlpu4h3pE3TokKRHN26JYmQpPyjkRD/N57R7bPDNojMXdi7uveAKjYB7yQnartCxZnFWr0Xw==" + }, + "node_modules/jquery": { + "version": "3.7.1", + "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.7.1.tgz", + "integrity": "sha512-m4avr8yL8kmFN8psrbFFFmB/If14iN5o9nw/NgnnM+kybDJpRsAynV2BsfpTYrTRysYUdADVD7CkUUizgkpLfg==", + "peer": true + }, + "node_modules/js-tokens": { + "version": "4.0.0", + "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz", + "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==", + "peer": true + }, + "node_modules/json2mq": { + "version": "0.2.0", + "resolved": "https://registry.npmjs.org/json2mq/-/json2mq-0.2.0.tgz", + "integrity": "sha512-SzoRg7ux5DWTII9J2qkrZrqV1gt+rTaoufMxEzXbS26Uid0NwaJd123HcoB80TgubEppxxIGdNxCx50fEoEWQA==", + "dependencies": { + "string-convert": "^0.2.0" + } + }, + "node_modules/lodash.debounce": { + "version": "4.0.8", + "resolved": "https://registry.npmjs.org/lodash.debounce/-/lodash.debounce-4.0.8.tgz", + "integrity": "sha512-FT1yDzDYEoYWhnSGnpE/4Kj1fLZkDFyqRb7fNt6FdYOSxlUWAtp42Eh6Wb0rGIv/m9Bgo7x4GhQbm5Ys4SG5ow==" + }, + "node_modules/loose-envify": { + "version": "1.4.0", + "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.4.0.tgz", + "integrity": "sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==", + "peer": true, + "dependencies": { + "js-tokens": "^3.0.0 || ^4.0.0" + }, + "bin": { + "loose-envify": "cli.js" + } + }, + "node_modules/react": { + "version": "18.3.1", + "resolved": "https://registry.npmjs.org/react/-/react-18.3.1.tgz", + "integrity": "sha512-wS+hAgJShR0KhEvPJArfuPVN1+Hz1t0Y6n5jLrGQbkb4urgPE/0Rve+1kMB1v/oWgHgm4WIcV+i7F2pTVj+2iQ==", + "peer": true, + "dependencies": { + "loose-envify": "^1.1.0" + }, + "engines": { + "node": ">=0.10.0" + } + }, + "node_modules/react-dom": { + "version": "18.3.1", + "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-18.3.1.tgz", + "integrity": "sha512-5m4nQKp+rZRb09LNH59GM4BxTh9251/ylbKIbpe7TpGxfJ+9kv6BLkLBXIjjspbgbnIBNqlI23tRnTWT0snUIw==", + "peer": true, + "dependencies": { + "loose-envify": "^1.1.0", + "scheduler": "^0.23.2" + }, + "peerDependencies": { + "react": "^18.3.1" + } + }, + "node_modules/react-slick": { + "version": "0.30.2", + "resolved": "https://registry.npmjs.org/react-slick/-/react-slick-0.30.2.tgz", + "integrity": "sha512-XvQJi7mRHuiU3b9irsqS9SGIgftIfdV5/tNcURTb5LdIokRA5kIIx3l4rlq2XYHfxcSntXapoRg/GxaVOM1yfg==", + "dependencies": { + "classnames": "^2.2.5", + "enquire.js": "^2.1.6", + "json2mq": "^0.2.0", + "lodash.debounce": "^4.0.8", + "resize-observer-polyfill": "^1.5.0" + }, + "peerDependencies": { + "react": "^0.14.0 || ^15.0.1 || ^16.0.0 || ^17.0.0 || ^18.0.0", + "react-dom": "^0.14.0 || ^15.0.1 || ^16.0.0 || ^17.0.0 || ^18.0.0" + } + }, + "node_modules/resize-observer-polyfill": { + "version": "1.5.1", + "resolved": "https://registry.npmjs.org/resize-observer-polyfill/-/resize-observer-polyfill-1.5.1.tgz", + "integrity": "sha512-LwZrotdHOo12nQuZlHEmtuXdqGoOD0OhaxopaNFxWzInpEgaLWoVuAMbTzixuosCx2nEG58ngzW3vxdWoxIgdg==" + }, + "node_modules/scheduler": { + "version": "0.23.2", + "resolved": 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b/node_modules/classnames/HISTORY.md @@ -0,0 +1,120 @@ +# Changelog + +## v2.5.1 / 2023-12-29 + +- Remove `workspaces` field from package ([#350](https://github.com/JedWatson/classnames/pull/350)) + +## v2.5.0 / 2023-12-27 + +- Restore ability to pass a TypeScript `interface` ([#341](https://github.com/JedWatson/classnames/pull/341)) +- Add `exports` field to package ([#342](https://github.com/JedWatson/classnames/pull/342)) + +## v2.4.0 / 2023-12-26 + +- Use string concatenation to increase performance thanks [Jon Koops](https://github.com/jonkoops) ([#336](https://github.com/JedWatson/classnames/pull/336)) + +## v2.3.3 / 2023-12-21 + +- Fix default export, thanks [Remco Haszing](https://github.com/remcohaszing) ([#301](https://github.com/JedWatson/classnames/pull/301)) +- Fix types for read-only arrays, thanks [Ben Thompson](https://github.com/BenGearset) ([#307](https://github.com/JedWatson/classnames/pull/307)) +- Replace README examples with functional-style components, thanks [JoeDGit](https://github.com/JoeDGit) ([#303](https://github.com/JedWatson/classnames/pull/303)) + +## v2.3.2 / 2022-09-13 + +- Fix TypeScript types when using require, thanks [Mark Dalgleish](https://github.com/markdalgleish) ([#276](https://github.com/JedWatson/classnames/pull/276)) +- Fix toString as `[Object object]` in a vm, thanks [Remco Haszing](https://github.com/remcohaszing) ([#281](https://github.com/JedWatson/classnames/pull/281)) + +## v2.3.1 / 2021-04-03 + +- Fix bind/dedupe TypeScript types exports +- Fix mapping Value types, thanks [Remco Haszing](https://github.com/remcohaszing) +- Removed non-existent named exports from types, thanks [Remco Haszing](https://github.com/remcohaszing) + +## v2.3.0 / 2021-04-01 + +- Added TypeScript types +- Added consistent support for custom `.toString()` methods on arguments, thanks [Stanislav Titenko](https://github.com/resetko) + +## v2.2.6 / 2018-06-08 + +- Fixed compatibility issue with usage in an es module environment + +## v2.2.5 / 2016-05-02 + +- Improved performance of `dedupe` variant even further, thanks [Andres Suarez](https://github.com/zertosh) + +## v2.2.4 / 2016-04-25 + +- Improved performance of `dedupe` variant by about 2x, thanks [Bartosz Gościński](https://github.com/bgoscinski) + +## v2.2.3 / 2016-01-05 + +- Updated `bind` variant to use `[].join(' ')` as per the main script in 2.2.2 + +## v2.2.2 / 2016-01-04 + +- Switched from string concatenation to `[].join(' ')` for a slight performance gain in the main function. + +## v2.2.1 / 2015-11-26 + +- Add deps parameter to the AMD module, fixes an issue using the Dojo loader, thanks [Chris Jordan](https://github.com/flipperkid) + +## v2.2.0 / 2015-10-18 + +- added a new `bind` variant for use with [css-modules](https://github.com/css-modules/css-modules) and similar abstractions, thanks to [Kirill Yakovenko](https://github.com/blia) + +## v2.1.5 / 2015-09-30 + +- reverted a new usage of `Object.keys` in `dedupe.js` that slipped through in the last release + +## v2.1.4 / 2015-09-30 + +- new case added to benchmarks +- safer `hasOwnProperty` check +- AMD module is now named, so you can do the following: + +``` +define(["classnames"], function (classNames) { + var style = classNames("foo", "bar"); + // ... +}); +``` + +## v2.1.3 / 2015-07-02 + +- updated UMD wrapper to support AMD and CommonJS on the same pacge + +## v2.1.2 / 2015-05-28 + +- added a proper UMD wrapper + +## v2.1.1 / 2015-05-06 + +- minor performance improvement thanks to type caching +- improved benchmarking and results output + +## v2.1.0 / 2015-05-05 + +- added alternate `dedupe` version of classNames, which is slower (10x) but ensures that if a class is added then overridden by a falsy value in a subsequent argument, it is excluded from the result. + +## v2.0.0 / 2015-05-03 + +- performance improvement; switched to `Array.isArray` for type detection, which is much faster in modern browsers. A polyfill is now required for IE8 support, see the Readme for details. + +## v1.2.2 / 2015-04-28 + +- license comment updates to simiplify certain build scenarios + +## v1.2.1 / 2015-04-22 + +- added safe exporting for requireJS usage +- clarified Bower usage and instructions + +## v1.2.0 / 2015-03-17 + +- added comprehensive support for array arguments, including nested arrays +- simplified code slightly + +## Previous + +Please see the git history for the details of previous versions. diff --git a/node_modules/classnames/LICENSE b/node_modules/classnames/LICENSE new file mode 100644 index 0000000..4117bfa --- /dev/null +++ b/node_modules/classnames/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2018 Jed Watson + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/node_modules/classnames/README.md b/node_modules/classnames/README.md new file mode 100644 index 0000000..0d67b8a --- /dev/null +++ b/node_modules/classnames/README.md @@ -0,0 +1,219 @@ +# Classnames + +> A simple JavaScript utility for conditionally joining classNames together. + +

+ + + + + + + + + + +

+ +Install from the [npm registry](https://www.npmjs.com/) with your package manager: +```bash +npm install classnames +``` + +Use with [Node.js](https://nodejs.org/en/), [Browserify](https://browserify.org/), or [webpack](https://webpack.github.io/): + +```js +const classNames = require('classnames'); +classNames('foo', 'bar'); // => 'foo bar' +``` + +Alternatively, you can simply include `index.js` on your page with a standalone ` +``` + +#### Webpack / Browserify / Babel + +There are several ways to use [Webpack](https://webpack.js.org/), [Browserify](http://browserify.org/) or [Babel](https://babeljs.io/). For more information on using these tools, please refer to the corresponding project's documentation. In the script, including jQuery will usually look like this: + +```js +import $ from "jquery"; +``` + +If you need to use jQuery in a file that's not an ECMAScript module, you can use the CommonJS syntax: + +```js +var $ = require( "jquery" ); +``` + +#### AMD (Asynchronous Module Definition) + +AMD is a module format built for the browser. For more information, we recommend [require.js' documentation](https://requirejs.org/docs/whyamd.html). + +```js +define( [ "jquery" ], function( $ ) { + +} ); +``` + +### Node + +To include jQuery in [Node](https://nodejs.org/), first install with npm. + +```sh +npm install jquery +``` + +For jQuery to work in Node, a window with a document is required. Since no such window exists natively in Node, one can be mocked by tools such as [jsdom](https://github.com/jsdom/jsdom). This can be useful for testing purposes. + +```js +const { JSDOM } = require( "jsdom" ); +const { window } = new JSDOM( "" ); +const $ = require( "jquery" )( window ); +``` diff --git a/node_modules/jquery/bower.json b/node_modules/jquery/bower.json new file mode 100644 index 0000000..95798d5 --- /dev/null +++ b/node_modules/jquery/bower.json @@ -0,0 +1,14 @@ +{ + "name": "jquery", + "main": "dist/jquery.js", + "license": "MIT", + "ignore": [ + "package.json" + ], + "keywords": [ + "jquery", + "javascript", + "browser", + "library" + ] +} \ No newline at end of file diff --git a/node_modules/jquery/dist/jquery.js b/node_modules/jquery/dist/jquery.js new file mode 100644 index 0000000..1a86433 --- /dev/null +++ b/node_modules/jquery/dist/jquery.js @@ -0,0 +1,10716 @@ +/*! + * jQuery JavaScript Library v3.7.1 + * https://jquery.com/ + * + * Copyright OpenJS Foundation and other contributors + * Released under the MIT license + * https://jquery.org/license + * + * Date: 2023-08-28T13:37Z + */ +( function( global, factory ) { + + "use strict"; + + if ( typeof module === "object" && typeof module.exports === "object" ) { + + // For CommonJS and CommonJS-like environments where a proper `window` + // is present, execute the factory and get jQuery. + // For environments that do not have a `window` with a `document` + // (such as Node.js), expose a factory as module.exports. + // This accentuates the need for the creation of a real `window`. + // e.g. var jQuery = require("jquery")(window); + // See ticket trac-14549 for more info. + module.exports = global.document ? + factory( global, true ) : + function( w ) { + if ( !w.document ) { + throw new Error( "jQuery requires a window with a document" ); + } + return factory( w ); + }; + } else { + factory( global ); + } + +// Pass this if window is not defined yet +} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) { + +// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1 +// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode +// arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common +// enough that all such attempts are guarded in a try block. +"use strict"; + +var arr = []; + +var getProto = Object.getPrototypeOf; + +var slice = arr.slice; + +var flat = arr.flat ? function( array ) { + return arr.flat.call( array ); +} : function( array ) { + return arr.concat.apply( [], array ); +}; + + +var push = arr.push; + +var indexOf = arr.indexOf; + +var class2type = {}; + +var toString = class2type.toString; + +var hasOwn = class2type.hasOwnProperty; + +var fnToString = hasOwn.toString; + +var ObjectFunctionString = fnToString.call( Object ); + +var support = {}; + +var isFunction = function isFunction( obj ) { + + // Support: Chrome <=57, Firefox <=52 + // In some browsers, typeof returns "function" for HTML elements + // (i.e., `typeof document.createElement( "object" ) === "function"`). + // We don't want to classify *any* DOM node as a function. + // Support: QtWeb <=3.8.5, WebKit <=534.34, wkhtmltopdf tool <=0.12.5 + // Plus for old WebKit, typeof returns "function" for HTML collections + // (e.g., `typeof document.getElementsByTagName("div") === "function"`). (gh-4756) + return typeof obj === "function" && typeof obj.nodeType !== "number" && + typeof obj.item !== "function"; + }; + + +var isWindow = function isWindow( obj ) { + return obj != null && obj === obj.window; + }; + + +var document = window.document; + + + + var preservedScriptAttributes = { + type: true, + src: true, + nonce: true, + noModule: true + }; + + function DOMEval( code, node, doc ) { + doc = doc || document; + + var i, val, + script = doc.createElement( "script" ); + + script.text = code; + if ( node ) { + for ( i in preservedScriptAttributes ) { + + // Support: Firefox 64+, Edge 18+ + // Some browsers don't support the "nonce" property on scripts. + // On the other hand, just using `getAttribute` is not enough as + // the `nonce` attribute is reset to an empty string whenever it + // becomes browsing-context connected. + // See https://github.com/whatwg/html/issues/2369 + // See https://html.spec.whatwg.org/#nonce-attributes + // The `node.getAttribute` check was added for the sake of + // `jQuery.globalEval` so that it can fake a nonce-containing node + // via an object. + val = node[ i ] || node.getAttribute && node.getAttribute( i ); + if ( val ) { + script.setAttribute( i, val ); + } + } + } + doc.head.appendChild( script ).parentNode.removeChild( script ); + } + + +function toType( obj ) { + if ( obj == null ) { + return obj + ""; + } + + // Support: Android <=2.3 only (functionish RegExp) + return typeof obj === "object" || typeof obj === "function" ? + class2type[ toString.call( obj ) ] || "object" : + typeof obj; +} +/* global Symbol */ +// Defining this global in .eslintrc.json would create a danger of using the global +// unguarded in another place, it seems safer to define global only for this module + + + +var version = "3.7.1", + + rhtmlSuffix = /HTML$/i, + + // Define a local copy of jQuery + jQuery = function( selector, context ) { + + // The jQuery object is actually just the init constructor 'enhanced' + // Need init if jQuery is called (just allow error to be thrown if not included) + return new jQuery.fn.init( selector, context ); + }; + +jQuery.fn = jQuery.prototype = { + + // The current version of jQuery being used + jquery: version, + + constructor: jQuery, + + // The default length of a jQuery object is 0 + length: 0, + + toArray: function() { + return slice.call( this ); + }, + + // Get the Nth element in the matched element set OR + // Get the whole matched element set as a clean array + get: function( num ) { + + // Return all the elements in a clean array + if ( num == null ) { + return slice.call( this ); + } + + // Return just the one element from the set + return num < 0 ? this[ num + this.length ] : this[ num ]; + }, + + // Take an array of elements and push it onto the stack + // (returning the new matched element set) + pushStack: function( elems ) { + + // Build a new jQuery matched element set + var ret = jQuery.merge( this.constructor(), elems ); + + // Add the old object onto the stack (as a reference) + ret.prevObject = this; + + // Return the newly-formed element set + return ret; + }, + + // Execute a callback for every element in the matched set. + each: function( callback ) { + return jQuery.each( this, callback ); + }, + + map: function( callback ) { + return this.pushStack( jQuery.map( this, function( elem, i ) { + return callback.call( elem, i, elem ); + } ) ); + }, + + slice: function() { + return this.pushStack( slice.apply( this, arguments ) ); + }, + + first: function() { + return this.eq( 0 ); + }, + + last: function() { + return this.eq( -1 ); + }, + + even: function() { + return this.pushStack( jQuery.grep( this, function( _elem, i ) { + return ( i + 1 ) % 2; + } ) ); + }, + + odd: function() { + return this.pushStack( jQuery.grep( this, function( _elem, i ) { + return i % 2; + } ) ); + }, + + eq: function( i ) { + var len = this.length, + j = +i + ( i < 0 ? len : 0 ); + return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] ); + }, + + end: function() { + return this.prevObject || this.constructor(); + }, + + // For internal use only. + // Behaves like an Array's method, not like a jQuery method. + push: push, + sort: arr.sort, + splice: arr.splice +}; + +jQuery.extend = jQuery.fn.extend = function() { + var options, name, src, copy, copyIsArray, clone, + target = arguments[ 0 ] || {}, + i = 1, + length = arguments.length, + deep = false; + + // Handle a deep copy situation + if ( typeof target === "boolean" ) { + deep = target; + + // Skip the boolean and the target + target = arguments[ i ] || {}; + i++; + } + + // Handle case when target is a string or something (possible in deep copy) + if ( typeof target !== "object" && !isFunction( target ) ) { + target = {}; + } + + // Extend jQuery itself if only one argument is passed + if ( i === length ) { + target = this; + i--; + } + + for ( ; i < length; i++ ) { + + // Only deal with non-null/undefined values + if ( ( options = arguments[ i ] ) != null ) { + + // Extend the base object + for ( name in options ) { + copy = options[ name ]; + + // Prevent Object.prototype pollution + // Prevent never-ending loop + if ( name === "__proto__" || target === copy ) { + continue; + } + + // Recurse if we're merging plain objects or arrays + if ( deep && copy && ( jQuery.isPlainObject( copy ) || + ( copyIsArray = Array.isArray( copy ) ) ) ) { + src = target[ name ]; + + // Ensure proper type for the source value + if ( copyIsArray && !Array.isArray( src ) ) { + clone = []; + } else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) { + clone = {}; + } else { + clone = src; + } + copyIsArray = false; + + // Never move original objects, clone them + target[ name ] = jQuery.extend( deep, clone, copy ); + + // Don't bring in undefined values + } else if ( copy !== undefined ) { + target[ name ] = copy; + } + } + } + } + + // Return the modified object + return target; +}; + +jQuery.extend( { + + // Unique for each copy of jQuery on the page + expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ), + + // Assume jQuery is ready without the ready module + isReady: true, + + error: function( msg ) { + throw new Error( msg ); + }, + + noop: function() {}, + + isPlainObject: function( obj ) { + var proto, Ctor; + + // Detect obvious negatives + // Use toString instead of jQuery.type to catch host objects + if ( !obj || toString.call( obj ) !== "[object Object]" ) { + return false; + } + + proto = getProto( obj ); + + // Objects with no prototype (e.g., `Object.create( null )`) are plain + if ( !proto ) { + return true; + } + + // Objects with prototype are plain iff they were constructed by a global Object function + Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor; + return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString; + }, + + isEmptyObject: function( obj ) { + var name; + + for ( name in obj ) { + return false; + } + return true; + }, + + // Evaluates a script in a provided context; falls back to the global one + // if not specified. + globalEval: function( code, options, doc ) { + DOMEval( code, { nonce: options && options.nonce }, doc ); + }, + + each: function( obj, callback ) { + var length, i = 0; + + if ( isArrayLike( obj ) ) { + length = obj.length; + for ( ; i < length; i++ ) { + if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { + break; + } + } + } else { + for ( i in obj ) { + if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { + break; + } + } + } + + return obj; + }, + + + // Retrieve the text value of an array of DOM nodes + text: function( elem ) { + var node, + ret = "", + i = 0, + nodeType = elem.nodeType; + + if ( !nodeType ) { + + // If no nodeType, this is expected to be an array + while ( ( node = elem[ i++ ] ) ) { + + // Do not traverse comment nodes + ret += jQuery.text( node ); + } + } + if ( nodeType === 1 || nodeType === 11 ) { + return elem.textContent; + } + if ( nodeType === 9 ) { + return elem.documentElement.textContent; + } + if ( nodeType === 3 || nodeType === 4 ) { + return elem.nodeValue; + } + + // Do not include comment or processing instruction nodes + + return ret; + }, + + // results is for internal usage only + makeArray: function( arr, results ) { + var ret = results || []; + + if ( arr != null ) { + if ( isArrayLike( Object( arr ) ) ) { + jQuery.merge( ret, + typeof arr === "string" ? + [ arr ] : arr + ); + } else { + push.call( ret, arr ); + } + } + + return ret; + }, + + inArray: function( elem, arr, i ) { + return arr == null ? -1 : indexOf.call( arr, elem, i ); + }, + + isXMLDoc: function( elem ) { + var namespace = elem && elem.namespaceURI, + docElem = elem && ( elem.ownerDocument || elem ).documentElement; + + // Assume HTML when documentElement doesn't yet exist, such as inside + // document fragments. + return !rhtmlSuffix.test( namespace || docElem && docElem.nodeName || "HTML" ); + }, + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + merge: function( first, second ) { + var len = +second.length, + j = 0, + i = first.length; + + for ( ; j < len; j++ ) { + first[ i++ ] = second[ j ]; + } + + first.length = i; + + return first; + }, + + grep: function( elems, callback, invert ) { + var callbackInverse, + matches = [], + i = 0, + length = elems.length, + callbackExpect = !invert; + + // Go through the array, only saving the items + // that pass the validator function + for ( ; i < length; i++ ) { + callbackInverse = !callback( elems[ i ], i ); + if ( callbackInverse !== callbackExpect ) { + matches.push( elems[ i ] ); + } + } + + return matches; + }, + + // arg is for internal usage only + map: function( elems, callback, arg ) { + var length, value, + i = 0, + ret = []; + + // Go through the array, translating each of the items to their new values + if ( isArrayLike( elems ) ) { + length = elems.length; + for ( ; i < length; i++ ) { + value = callback( elems[ i ], i, arg ); + + if ( value != null ) { + ret.push( value ); + } + } + + // Go through every key on the object, + } else { + for ( i in elems ) { + value = callback( elems[ i ], i, arg ); + + if ( value != null ) { + ret.push( value ); + } + } + } + + // Flatten any nested arrays + return flat( ret ); + }, + + // A global GUID counter for objects + guid: 1, + + // jQuery.support is not used in Core but other projects attach their + // properties to it so it needs to exist. + support: support +} ); + +if ( typeof Symbol === "function" ) { + jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ]; +} + +// Populate the class2type map +jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ), + function( _i, name ) { + class2type[ "[object " + name + "]" ] = name.toLowerCase(); + } ); + +function isArrayLike( obj ) { + + // Support: real iOS 8.2 only (not reproducible in simulator) + // `in` check used to prevent JIT error (gh-2145) + // hasOwn isn't used here due to false negatives + // regarding Nodelist length in IE + var length = !!obj && "length" in obj && obj.length, + type = toType( obj ); + + if ( isFunction( obj ) || isWindow( obj ) ) { + return false; + } + + return type === "array" || length === 0 || + typeof length === "number" && length > 0 && ( length - 1 ) in obj; +} + + +function nodeName( elem, name ) { + + return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase(); + +} +var pop = arr.pop; + + +var sort = arr.sort; + + +var splice = arr.splice; + + +var whitespace = "[\\x20\\t\\r\\n\\f]"; + + +var rtrimCSS = new RegExp( + "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", + "g" +); + + + + +// Note: an element does not contain itself +jQuery.contains = function( a, b ) { + var bup = b && b.parentNode; + + return a === bup || !!( bup && bup.nodeType === 1 && ( + + // Support: IE 9 - 11+ + // IE doesn't have `contains` on SVG. + a.contains ? + a.contains( bup ) : + a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 + ) ); +}; + + + + +// CSS string/identifier serialization +// https://drafts.csswg.org/cssom/#common-serializing-idioms +var rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\x80-\uFFFF\w-]/g; + +function fcssescape( ch, asCodePoint ) { + if ( asCodePoint ) { + + // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER + if ( ch === "\0" ) { + return "\uFFFD"; + } + + // Control characters and (dependent upon position) numbers get escaped as code points + return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " "; + } + + // Other potentially-special ASCII characters get backslash-escaped + return "\\" + ch; +} + +jQuery.escapeSelector = function( sel ) { + return ( sel + "" ).replace( rcssescape, fcssescape ); +}; + + + + +var preferredDoc = document, + pushNative = push; + +( function() { + +var i, + Expr, + outermostContext, + sortInput, + hasDuplicate, + push = pushNative, + + // Local document vars + document, + documentElement, + documentIsHTML, + rbuggyQSA, + matches, + + // Instance-specific data + expando = jQuery.expando, + dirruns = 0, + done = 0, + classCache = createCache(), + tokenCache = createCache(), + compilerCache = createCache(), + nonnativeSelectorCache = createCache(), + sortOrder = function( a, b ) { + if ( a === b ) { + hasDuplicate = true; + } + return 0; + }, + + booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|" + + "loop|multiple|open|readonly|required|scoped", + + // Regular expressions + + // https://www.w3.org/TR/css-syntax-3/#ident-token-diagram + identifier = "(?:\\\\[\\da-fA-F]{1,6}" + whitespace + + "?|\\\\[^\\r\\n\\f]|[\\w-]|[^\0-\\x7f])+", + + // Attribute selectors: https://www.w3.org/TR/selectors/#attribute-selectors + attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace + + + // Operator (capture 2) + "*([*^$|!~]?=)" + whitespace + + + // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]" + "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + + whitespace + "*\\]", + + pseudos = ":(" + identifier + ")(?:\\((" + + + // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: + // 1. quoted (capture 3; capture 4 or capture 5) + "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + + + // 2. simple (capture 6) + "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + + + // 3. anything else (capture 2) + ".*" + + ")\\)|)", + + // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter + rwhitespace = new RegExp( whitespace + "+", "g" ), + + rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), + rleadingCombinator = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + + whitespace + "*" ), + rdescend = new RegExp( whitespace + "|>" ), + + rpseudo = new RegExp( pseudos ), + ridentifier = new RegExp( "^" + identifier + "$" ), + + matchExpr = { + ID: new RegExp( "^#(" + identifier + ")" ), + CLASS: new RegExp( "^\\.(" + identifier + ")" ), + TAG: new RegExp( "^(" + identifier + "|[*])" ), + ATTR: new RegExp( "^" + attributes ), + PSEUDO: new RegExp( "^" + pseudos ), + CHILD: new RegExp( + "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + + whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + + whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), + bool: new RegExp( "^(?:" + booleans + ")$", "i" ), + + // For use in libraries implementing .is() + // We use this for POS matching in `select` + needsContext: new RegExp( "^" + whitespace + + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace + + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) + }, + + rinputs = /^(?:input|select|textarea|button)$/i, + rheader = /^h\d$/i, + + // Easily-parseable/retrievable ID or TAG or CLASS selectors + rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, + + rsibling = /[+~]/, + + // CSS escapes + // https://www.w3.org/TR/CSS21/syndata.html#escaped-characters + runescape = new RegExp( "\\\\[\\da-fA-F]{1,6}" + whitespace + + "?|\\\\([^\\r\\n\\f])", "g" ), + funescape = function( escape, nonHex ) { + var high = "0x" + escape.slice( 1 ) - 0x10000; + + if ( nonHex ) { + + // Strip the backslash prefix from a non-hex escape sequence + return nonHex; + } + + // Replace a hexadecimal escape sequence with the encoded Unicode code point + // Support: IE <=11+ + // For values outside the Basic Multilingual Plane (BMP), manually construct a + // surrogate pair + return high < 0 ? + String.fromCharCode( high + 0x10000 ) : + String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); + }, + + // Used for iframes; see `setDocument`. + // Support: IE 9 - 11+, Edge 12 - 18+ + // Removing the function wrapper causes a "Permission Denied" + // error in IE/Edge. + unloadHandler = function() { + setDocument(); + }, + + inDisabledFieldset = addCombinator( + function( elem ) { + return elem.disabled === true && nodeName( elem, "fieldset" ); + }, + { dir: "parentNode", next: "legend" } + ); + +// Support: IE <=9 only +// Accessing document.activeElement can throw unexpectedly +// https://bugs.jquery.com/ticket/13393 +function safeActiveElement() { + try { + return document.activeElement; + } catch ( err ) { } +} + +// Optimize for push.apply( _, NodeList ) +try { + push.apply( + ( arr = slice.call( preferredDoc.childNodes ) ), + preferredDoc.childNodes + ); + + // Support: Android <=4.0 + // Detect silently failing push.apply + // eslint-disable-next-line no-unused-expressions + arr[ preferredDoc.childNodes.length ].nodeType; +} catch ( e ) { + push = { + apply: function( target, els ) { + pushNative.apply( target, slice.call( els ) ); + }, + call: function( target ) { + pushNative.apply( target, slice.call( arguments, 1 ) ); + } + }; +} + +function find( selector, context, results, seed ) { + var m, i, elem, nid, match, groups, newSelector, + newContext = context && context.ownerDocument, + + // nodeType defaults to 9, since context defaults to document + nodeType = context ? context.nodeType : 9; + + results = results || []; + + // Return early from calls with invalid selector or context + if ( typeof selector !== "string" || !selector || + nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) { + + return results; + } + + // Try to shortcut find operations (as opposed to filters) in HTML documents + if ( !seed ) { + setDocument( context ); + context = context || document; + + if ( documentIsHTML ) { + + // If the selector is sufficiently simple, try using a "get*By*" DOM method + // (excepting DocumentFragment context, where the methods don't exist) + if ( nodeType !== 11 && ( match = rquickExpr.exec( selector ) ) ) { + + // ID selector + if ( ( m = match[ 1 ] ) ) { + + // Document context + if ( nodeType === 9 ) { + if ( ( elem = context.getElementById( m ) ) ) { + + // Support: IE 9 only + // getElementById can match elements by name instead of ID + if ( elem.id === m ) { + push.call( results, elem ); + return results; + } + } else { + return results; + } + + // Element context + } else { + + // Support: IE 9 only + // getElementById can match elements by name instead of ID + if ( newContext && ( elem = newContext.getElementById( m ) ) && + find.contains( context, elem ) && + elem.id === m ) { + + push.call( results, elem ); + return results; + } + } + + // Type selector + } else if ( match[ 2 ] ) { + push.apply( results, context.getElementsByTagName( selector ) ); + return results; + + // Class selector + } else if ( ( m = match[ 3 ] ) && context.getElementsByClassName ) { + push.apply( results, context.getElementsByClassName( m ) ); + return results; + } + } + + // Take advantage of querySelectorAll + if ( !nonnativeSelectorCache[ selector + " " ] && + ( !rbuggyQSA || !rbuggyQSA.test( selector ) ) ) { + + newSelector = selector; + newContext = context; + + // qSA considers elements outside a scoping root when evaluating child or + // descendant combinators, which is not what we want. + // In such cases, we work around the behavior by prefixing every selector in the + // list with an ID selector referencing the scope context. + // The technique has to be used as well when a leading combinator is used + // as such selectors are not recognized by querySelectorAll. + // Thanks to Andrew Dupont for this technique. + if ( nodeType === 1 && + ( rdescend.test( selector ) || rleadingCombinator.test( selector ) ) ) { + + // Expand context for sibling selectors + newContext = rsibling.test( selector ) && testContext( context.parentNode ) || + context; + + // We can use :scope instead of the ID hack if the browser + // supports it & if we're not changing the context. + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when + // strict-comparing two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( newContext != context || !support.scope ) { + + // Capture the context ID, setting it first if necessary + if ( ( nid = context.getAttribute( "id" ) ) ) { + nid = jQuery.escapeSelector( nid ); + } else { + context.setAttribute( "id", ( nid = expando ) ); + } + } + + // Prefix every selector in the list + groups = tokenize( selector ); + i = groups.length; + while ( i-- ) { + groups[ i ] = ( nid ? "#" + nid : ":scope" ) + " " + + toSelector( groups[ i ] ); + } + newSelector = groups.join( "," ); + } + + try { + push.apply( results, + newContext.querySelectorAll( newSelector ) + ); + return results; + } catch ( qsaError ) { + nonnativeSelectorCache( selector, true ); + } finally { + if ( nid === expando ) { + context.removeAttribute( "id" ); + } + } + } + } + } + + // All others + return select( selector.replace( rtrimCSS, "$1" ), context, results, seed ); +} + +/** + * Create key-value caches of limited size + * @returns {function(string, object)} Returns the Object data after storing it on itself with + * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) + * deleting the oldest entry + */ +function createCache() { + var keys = []; + + function cache( key, value ) { + + // Use (key + " ") to avoid collision with native prototype properties + // (see https://github.com/jquery/sizzle/issues/157) + if ( keys.push( key + " " ) > Expr.cacheLength ) { + + // Only keep the most recent entries + delete cache[ keys.shift() ]; + } + return ( cache[ key + " " ] = value ); + } + return cache; +} + +/** + * Mark a function for special use by jQuery selector module + * @param {Function} fn The function to mark + */ +function markFunction( fn ) { + fn[ expando ] = true; + return fn; +} + +/** + * Support testing using an element + * @param {Function} fn Passed the created element and returns a boolean result + */ +function assert( fn ) { + var el = document.createElement( "fieldset" ); + + try { + return !!fn( el ); + } catch ( e ) { + return false; + } finally { + + // Remove from its parent by default + if ( el.parentNode ) { + el.parentNode.removeChild( el ); + } + + // release memory in IE + el = null; + } +} + +/** + * Returns a function to use in pseudos for input types + * @param {String} type + */ +function createInputPseudo( type ) { + return function( elem ) { + return nodeName( elem, "input" ) && elem.type === type; + }; +} + +/** + * Returns a function to use in pseudos for buttons + * @param {String} type + */ +function createButtonPseudo( type ) { + return function( elem ) { + return ( nodeName( elem, "input" ) || nodeName( elem, "button" ) ) && + elem.type === type; + }; +} + +/** + * Returns a function to use in pseudos for :enabled/:disabled + * @param {Boolean} disabled true for :disabled; false for :enabled + */ +function createDisabledPseudo( disabled ) { + + // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable + return function( elem ) { + + // Only certain elements can match :enabled or :disabled + // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled + // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled + if ( "form" in elem ) { + + // Check for inherited disabledness on relevant non-disabled elements: + // * listed form-associated elements in a disabled fieldset + // https://html.spec.whatwg.org/multipage/forms.html#category-listed + // https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled + // * option elements in a disabled optgroup + // https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled + // All such elements have a "form" property. + if ( elem.parentNode && elem.disabled === false ) { + + // Option elements defer to a parent optgroup if present + if ( "label" in elem ) { + if ( "label" in elem.parentNode ) { + return elem.parentNode.disabled === disabled; + } else { + return elem.disabled === disabled; + } + } + + // Support: IE 6 - 11+ + // Use the isDisabled shortcut property to check for disabled fieldset ancestors + return elem.isDisabled === disabled || + + // Where there is no isDisabled, check manually + elem.isDisabled !== !disabled && + inDisabledFieldset( elem ) === disabled; + } + + return elem.disabled === disabled; + + // Try to winnow out elements that can't be disabled before trusting the disabled property. + // Some victims get caught in our net (label, legend, menu, track), but it shouldn't + // even exist on them, let alone have a boolean value. + } else if ( "label" in elem ) { + return elem.disabled === disabled; + } + + // Remaining elements are neither :enabled nor :disabled + return false; + }; +} + +/** + * Returns a function to use in pseudos for positionals + * @param {Function} fn + */ +function createPositionalPseudo( fn ) { + return markFunction( function( argument ) { + argument = +argument; + return markFunction( function( seed, matches ) { + var j, + matchIndexes = fn( [], seed.length, argument ), + i = matchIndexes.length; + + // Match elements found at the specified indexes + while ( i-- ) { + if ( seed[ ( j = matchIndexes[ i ] ) ] ) { + seed[ j ] = !( matches[ j ] = seed[ j ] ); + } + } + } ); + } ); +} + +/** + * Checks a node for validity as a jQuery selector context + * @param {Element|Object=} context + * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value + */ +function testContext( context ) { + return context && typeof context.getElementsByTagName !== "undefined" && context; +} + +/** + * Sets document-related variables once based on the current document + * @param {Element|Object} [node] An element or document object to use to set the document + * @returns {Object} Returns the current document + */ +function setDocument( node ) { + var subWindow, + doc = node ? node.ownerDocument || node : preferredDoc; + + // Return early if doc is invalid or already selected + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( doc == document || doc.nodeType !== 9 || !doc.documentElement ) { + return document; + } + + // Update global variables + document = doc; + documentElement = document.documentElement; + documentIsHTML = !jQuery.isXMLDoc( document ); + + // Support: iOS 7 only, IE 9 - 11+ + // Older browsers didn't support unprefixed `matches`. + matches = documentElement.matches || + documentElement.webkitMatchesSelector || + documentElement.msMatchesSelector; + + // Support: IE 9 - 11+, Edge 12 - 18+ + // Accessing iframe documents after unload throws "permission denied" errors + // (see trac-13936). + // Limit the fix to IE & Edge Legacy; despite Edge 15+ implementing `matches`, + // all IE 9+ and Edge Legacy versions implement `msMatchesSelector` as well. + if ( documentElement.msMatchesSelector && + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + preferredDoc != document && + ( subWindow = document.defaultView ) && subWindow.top !== subWindow ) { + + // Support: IE 9 - 11+, Edge 12 - 18+ + subWindow.addEventListener( "unload", unloadHandler ); + } + + // Support: IE <10 + // Check if getElementById returns elements by name + // The broken getElementById methods don't pick up programmatically-set names, + // so use a roundabout getElementsByName test + support.getById = assert( function( el ) { + documentElement.appendChild( el ).id = jQuery.expando; + return !document.getElementsByName || + !document.getElementsByName( jQuery.expando ).length; + } ); + + // Support: IE 9 only + // Check to see if it's possible to do matchesSelector + // on a disconnected node. + support.disconnectedMatch = assert( function( el ) { + return matches.call( el, "*" ); + } ); + + // Support: IE 9 - 11+, Edge 12 - 18+ + // IE/Edge don't support the :scope pseudo-class. + support.scope = assert( function() { + return document.querySelectorAll( ":scope" ); + } ); + + // Support: Chrome 105 - 111 only, Safari 15.4 - 16.3 only + // Make sure the `:has()` argument is parsed unforgivingly. + // We include `*` in the test to detect buggy implementations that are + // _selectively_ forgiving (specifically when the list includes at least + // one valid selector). + // Note that we treat complete lack of support for `:has()` as if it were + // spec-compliant support, which is fine because use of `:has()` in such + // environments will fail in the qSA path and fall back to jQuery traversal + // anyway. + support.cssHas = assert( function() { + try { + document.querySelector( ":has(*,:jqfake)" ); + return false; + } catch ( e ) { + return true; + } + } ); + + // ID filter and find + if ( support.getById ) { + Expr.filter.ID = function( id ) { + var attrId = id.replace( runescape, funescape ); + return function( elem ) { + return elem.getAttribute( "id" ) === attrId; + }; + }; + Expr.find.ID = function( id, context ) { + if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { + var elem = context.getElementById( id ); + return elem ? [ elem ] : []; + } + }; + } else { + Expr.filter.ID = function( id ) { + var attrId = id.replace( runescape, funescape ); + return function( elem ) { + var node = typeof elem.getAttributeNode !== "undefined" && + elem.getAttributeNode( "id" ); + return node && node.value === attrId; + }; + }; + + // Support: IE 6 - 7 only + // getElementById is not reliable as a find shortcut + Expr.find.ID = function( id, context ) { + if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { + var node, i, elems, + elem = context.getElementById( id ); + + if ( elem ) { + + // Verify the id attribute + node = elem.getAttributeNode( "id" ); + if ( node && node.value === id ) { + return [ elem ]; + } + + // Fall back on getElementsByName + elems = context.getElementsByName( id ); + i = 0; + while ( ( elem = elems[ i++ ] ) ) { + node = elem.getAttributeNode( "id" ); + if ( node && node.value === id ) { + return [ elem ]; + } + } + } + + return []; + } + }; + } + + // Tag + Expr.find.TAG = function( tag, context ) { + if ( typeof context.getElementsByTagName !== "undefined" ) { + return context.getElementsByTagName( tag ); + + // DocumentFragment nodes don't have gEBTN + } else { + return context.querySelectorAll( tag ); + } + }; + + // Class + Expr.find.CLASS = function( className, context ) { + if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) { + return context.getElementsByClassName( className ); + } + }; + + /* QSA/matchesSelector + ---------------------------------------------------------------------- */ + + // QSA and matchesSelector support + + rbuggyQSA = []; + + // Build QSA regex + // Regex strategy adopted from Diego Perini + assert( function( el ) { + + var input; + + documentElement.appendChild( el ).innerHTML = + "" + + ""; + + // Support: iOS <=7 - 8 only + // Boolean attributes and "value" are not treated correctly in some XML documents + if ( !el.querySelectorAll( "[selected]" ).length ) { + rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); + } + + // Support: iOS <=7 - 8 only + if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) { + rbuggyQSA.push( "~=" ); + } + + // Support: iOS 8 only + // https://bugs.webkit.org/show_bug.cgi?id=136851 + // In-page `selector#id sibling-combinator selector` fails + if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) { + rbuggyQSA.push( ".#.+[+~]" ); + } + + // Support: Chrome <=105+, Firefox <=104+, Safari <=15.4+ + // In some of the document kinds, these selectors wouldn't work natively. + // This is probably OK but for backwards compatibility we want to maintain + // handling them through jQuery traversal in jQuery 3.x. + if ( !el.querySelectorAll( ":checked" ).length ) { + rbuggyQSA.push( ":checked" ); + } + + // Support: Windows 8 Native Apps + // The type and name attributes are restricted during .innerHTML assignment + input = document.createElement( "input" ); + input.setAttribute( "type", "hidden" ); + el.appendChild( input ).setAttribute( "name", "D" ); + + // Support: IE 9 - 11+ + // IE's :disabled selector does not pick up the children of disabled fieldsets + // Support: Chrome <=105+, Firefox <=104+, Safari <=15.4+ + // In some of the document kinds, these selectors wouldn't work natively. + // This is probably OK but for backwards compatibility we want to maintain + // handling them through jQuery traversal in jQuery 3.x. + documentElement.appendChild( el ).disabled = true; + if ( el.querySelectorAll( ":disabled" ).length !== 2 ) { + rbuggyQSA.push( ":enabled", ":disabled" ); + } + + // Support: IE 11+, Edge 15 - 18+ + // IE 11/Edge don't find elements on a `[name='']` query in some cases. + // Adding a temporary attribute to the document before the selection works + // around the issue. + // Interestingly, IE 10 & older don't seem to have the issue. + input = document.createElement( "input" ); + input.setAttribute( "name", "" ); + el.appendChild( input ); + if ( !el.querySelectorAll( "[name='']" ).length ) { + rbuggyQSA.push( "\\[" + whitespace + "*name" + whitespace + "*=" + + whitespace + "*(?:''|\"\")" ); + } + } ); + + if ( !support.cssHas ) { + + // Support: Chrome 105 - 110+, Safari 15.4 - 16.3+ + // Our regular `try-catch` mechanism fails to detect natively-unsupported + // pseudo-classes inside `:has()` (such as `:has(:contains("Foo"))`) + // in browsers that parse the `:has()` argument as a forgiving selector list. + // https://drafts.csswg.org/selectors/#relational now requires the argument + // to be parsed unforgivingly, but browsers have not yet fully adjusted. + rbuggyQSA.push( ":has" ); + } + + rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join( "|" ) ); + + /* Sorting + ---------------------------------------------------------------------- */ + + // Document order sorting + sortOrder = function( a, b ) { + + // Flag for duplicate removal + if ( a === b ) { + hasDuplicate = true; + return 0; + } + + // Sort on method existence if only one input has compareDocumentPosition + var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; + if ( compare ) { + return compare; + } + + // Calculate position if both inputs belong to the same document + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + compare = ( a.ownerDocument || a ) == ( b.ownerDocument || b ) ? + a.compareDocumentPosition( b ) : + + // Otherwise we know they are disconnected + 1; + + // Disconnected nodes + if ( compare & 1 || + ( !support.sortDetached && b.compareDocumentPosition( a ) === compare ) ) { + + // Choose the first element that is related to our preferred document + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( a === document || a.ownerDocument == preferredDoc && + find.contains( preferredDoc, a ) ) { + return -1; + } + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( b === document || b.ownerDocument == preferredDoc && + find.contains( preferredDoc, b ) ) { + return 1; + } + + // Maintain original order + return sortInput ? + ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) : + 0; + } + + return compare & 4 ? -1 : 1; + }; + + return document; +} + +find.matches = function( expr, elements ) { + return find( expr, null, null, elements ); +}; + +find.matchesSelector = function( elem, expr ) { + setDocument( elem ); + + if ( documentIsHTML && + !nonnativeSelectorCache[ expr + " " ] && + ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) { + + try { + var ret = matches.call( elem, expr ); + + // IE 9's matchesSelector returns false on disconnected nodes + if ( ret || support.disconnectedMatch || + + // As well, disconnected nodes are said to be in a document + // fragment in IE 9 + elem.document && elem.document.nodeType !== 11 ) { + return ret; + } + } catch ( e ) { + nonnativeSelectorCache( expr, true ); + } + } + + return find( expr, document, null, [ elem ] ).length > 0; +}; + +find.contains = function( context, elem ) { + + // Set document vars if needed + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( ( context.ownerDocument || context ) != document ) { + setDocument( context ); + } + return jQuery.contains( context, elem ); +}; + + +find.attr = function( elem, name ) { + + // Set document vars if needed + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( ( elem.ownerDocument || elem ) != document ) { + setDocument( elem ); + } + + var fn = Expr.attrHandle[ name.toLowerCase() ], + + // Don't get fooled by Object.prototype properties (see trac-13807) + val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? + fn( elem, name, !documentIsHTML ) : + undefined; + + if ( val !== undefined ) { + return val; + } + + return elem.getAttribute( name ); +}; + +find.error = function( msg ) { + throw new Error( "Syntax error, unrecognized expression: " + msg ); +}; + +/** + * Document sorting and removing duplicates + * @param {ArrayLike} results + */ +jQuery.uniqueSort = function( results ) { + var elem, + duplicates = [], + j = 0, + i = 0; + + // Unless we *know* we can detect duplicates, assume their presence + // + // Support: Android <=4.0+ + // Testing for detecting duplicates is unpredictable so instead assume we can't + // depend on duplicate detection in all browsers without a stable sort. + hasDuplicate = !support.sortStable; + sortInput = !support.sortStable && slice.call( results, 0 ); + sort.call( results, sortOrder ); + + if ( hasDuplicate ) { + while ( ( elem = results[ i++ ] ) ) { + if ( elem === results[ i ] ) { + j = duplicates.push( i ); + } + } + while ( j-- ) { + splice.call( results, duplicates[ j ], 1 ); + } + } + + // Clear input after sorting to release objects + // See https://github.com/jquery/sizzle/pull/225 + sortInput = null; + + return results; +}; + +jQuery.fn.uniqueSort = function() { + return this.pushStack( jQuery.uniqueSort( slice.apply( this ) ) ); +}; + +Expr = jQuery.expr = { + + // Can be adjusted by the user + cacheLength: 50, + + createPseudo: markFunction, + + match: matchExpr, + + attrHandle: {}, + + find: {}, + + relative: { + ">": { dir: "parentNode", first: true }, + " ": { dir: "parentNode" }, + "+": { dir: "previousSibling", first: true }, + "~": { dir: "previousSibling" } + }, + + preFilter: { + ATTR: function( match ) { + match[ 1 ] = match[ 1 ].replace( runescape, funescape ); + + // Move the given value to match[3] whether quoted or unquoted + match[ 3 ] = ( match[ 3 ] || match[ 4 ] || match[ 5 ] || "" ) + .replace( runescape, funescape ); + + if ( match[ 2 ] === "~=" ) { + match[ 3 ] = " " + match[ 3 ] + " "; + } + + return match.slice( 0, 4 ); + }, + + CHILD: function( match ) { + + /* matches from matchExpr["CHILD"] + 1 type (only|nth|...) + 2 what (child|of-type) + 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) + 4 xn-component of xn+y argument ([+-]?\d*n|) + 5 sign of xn-component + 6 x of xn-component + 7 sign of y-component + 8 y of y-component + */ + match[ 1 ] = match[ 1 ].toLowerCase(); + + if ( match[ 1 ].slice( 0, 3 ) === "nth" ) { + + // nth-* requires argument + if ( !match[ 3 ] ) { + find.error( match[ 0 ] ); + } + + // numeric x and y parameters for Expr.filter.CHILD + // remember that false/true cast respectively to 0/1 + match[ 4 ] = +( match[ 4 ] ? + match[ 5 ] + ( match[ 6 ] || 1 ) : + 2 * ( match[ 3 ] === "even" || match[ 3 ] === "odd" ) + ); + match[ 5 ] = +( ( match[ 7 ] + match[ 8 ] ) || match[ 3 ] === "odd" ); + + // other types prohibit arguments + } else if ( match[ 3 ] ) { + find.error( match[ 0 ] ); + } + + return match; + }, + + PSEUDO: function( match ) { + var excess, + unquoted = !match[ 6 ] && match[ 2 ]; + + if ( matchExpr.CHILD.test( match[ 0 ] ) ) { + return null; + } + + // Accept quoted arguments as-is + if ( match[ 3 ] ) { + match[ 2 ] = match[ 4 ] || match[ 5 ] || ""; + + // Strip excess characters from unquoted arguments + } else if ( unquoted && rpseudo.test( unquoted ) && + + // Get excess from tokenize (recursively) + ( excess = tokenize( unquoted, true ) ) && + + // advance to the next closing parenthesis + ( excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length ) ) { + + // excess is a negative index + match[ 0 ] = match[ 0 ].slice( 0, excess ); + match[ 2 ] = unquoted.slice( 0, excess ); + } + + // Return only captures needed by the pseudo filter method (type and argument) + return match.slice( 0, 3 ); + } + }, + + filter: { + + TAG: function( nodeNameSelector ) { + var expectedNodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); + return nodeNameSelector === "*" ? + function() { + return true; + } : + function( elem ) { + return nodeName( elem, expectedNodeName ); + }; + }, + + CLASS: function( className ) { + var pattern = classCache[ className + " " ]; + + return pattern || + ( pattern = new RegExp( "(^|" + whitespace + ")" + className + + "(" + whitespace + "|$)" ) ) && + classCache( className, function( elem ) { + return pattern.test( + typeof elem.className === "string" && elem.className || + typeof elem.getAttribute !== "undefined" && + elem.getAttribute( "class" ) || + "" + ); + } ); + }, + + ATTR: function( name, operator, check ) { + return function( elem ) { + var result = find.attr( elem, name ); + + if ( result == null ) { + return operator === "!="; + } + if ( !operator ) { + return true; + } + + result += ""; + + if ( operator === "=" ) { + return result === check; + } + if ( operator === "!=" ) { + return result !== check; + } + if ( operator === "^=" ) { + return check && result.indexOf( check ) === 0; + } + if ( operator === "*=" ) { + return check && result.indexOf( check ) > -1; + } + if ( operator === "$=" ) { + return check && result.slice( -check.length ) === check; + } + if ( operator === "~=" ) { + return ( " " + result.replace( rwhitespace, " " ) + " " ) + .indexOf( check ) > -1; + } + if ( operator === "|=" ) { + return result === check || result.slice( 0, check.length + 1 ) === check + "-"; + } + + return false; + }; + }, + + CHILD: function( type, what, _argument, first, last ) { + var simple = type.slice( 0, 3 ) !== "nth", + forward = type.slice( -4 ) !== "last", + ofType = what === "of-type"; + + return first === 1 && last === 0 ? + + // Shortcut for :nth-*(n) + function( elem ) { + return !!elem.parentNode; + } : + + function( elem, _context, xml ) { + var cache, outerCache, node, nodeIndex, start, + dir = simple !== forward ? "nextSibling" : "previousSibling", + parent = elem.parentNode, + name = ofType && elem.nodeName.toLowerCase(), + useCache = !xml && !ofType, + diff = false; + + if ( parent ) { + + // :(first|last|only)-(child|of-type) + if ( simple ) { + while ( dir ) { + node = elem; + while ( ( node = node[ dir ] ) ) { + if ( ofType ? + nodeName( node, name ) : + node.nodeType === 1 ) { + + return false; + } + } + + // Reverse direction for :only-* (if we haven't yet done so) + start = dir = type === "only" && !start && "nextSibling"; + } + return true; + } + + start = [ forward ? parent.firstChild : parent.lastChild ]; + + // non-xml :nth-child(...) stores cache data on `parent` + if ( forward && useCache ) { + + // Seek `elem` from a previously-cached index + outerCache = parent[ expando ] || ( parent[ expando ] = {} ); + cache = outerCache[ type ] || []; + nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; + diff = nodeIndex && cache[ 2 ]; + node = nodeIndex && parent.childNodes[ nodeIndex ]; + + while ( ( node = ++nodeIndex && node && node[ dir ] || + + // Fallback to seeking `elem` from the start + ( diff = nodeIndex = 0 ) || start.pop() ) ) { + + // When found, cache indexes on `parent` and break + if ( node.nodeType === 1 && ++diff && node === elem ) { + outerCache[ type ] = [ dirruns, nodeIndex, diff ]; + break; + } + } + + } else { + + // Use previously-cached element index if available + if ( useCache ) { + outerCache = elem[ expando ] || ( elem[ expando ] = {} ); + cache = outerCache[ type ] || []; + nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; + diff = nodeIndex; + } + + // xml :nth-child(...) + // or :nth-last-child(...) or :nth(-last)?-of-type(...) + if ( diff === false ) { + + // Use the same loop as above to seek `elem` from the start + while ( ( node = ++nodeIndex && node && node[ dir ] || + ( diff = nodeIndex = 0 ) || start.pop() ) ) { + + if ( ( ofType ? + nodeName( node, name ) : + node.nodeType === 1 ) && + ++diff ) { + + // Cache the index of each encountered element + if ( useCache ) { + outerCache = node[ expando ] || + ( node[ expando ] = {} ); + outerCache[ type ] = [ dirruns, diff ]; + } + + if ( node === elem ) { + break; + } + } + } + } + } + + // Incorporate the offset, then check against cycle size + diff -= last; + return diff === first || ( diff % first === 0 && diff / first >= 0 ); + } + }; + }, + + PSEUDO: function( pseudo, argument ) { + + // pseudo-class names are case-insensitive + // https://www.w3.org/TR/selectors/#pseudo-classes + // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters + // Remember that setFilters inherits from pseudos + var args, + fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || + find.error( "unsupported pseudo: " + pseudo ); + + // The user may use createPseudo to indicate that + // arguments are needed to create the filter function + // just as jQuery does + if ( fn[ expando ] ) { + return fn( argument ); + } + + // But maintain support for old signatures + if ( fn.length > 1 ) { + args = [ pseudo, pseudo, "", argument ]; + return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? + markFunction( function( seed, matches ) { + var idx, + matched = fn( seed, argument ), + i = matched.length; + while ( i-- ) { + idx = indexOf.call( seed, matched[ i ] ); + seed[ idx ] = !( matches[ idx ] = matched[ i ] ); + } + } ) : + function( elem ) { + return fn( elem, 0, args ); + }; + } + + return fn; + } + }, + + pseudos: { + + // Potentially complex pseudos + not: markFunction( function( selector ) { + + // Trim the selector passed to compile + // to avoid treating leading and trailing + // spaces as combinators + var input = [], + results = [], + matcher = compile( selector.replace( rtrimCSS, "$1" ) ); + + return matcher[ expando ] ? + markFunction( function( seed, matches, _context, xml ) { + var elem, + unmatched = matcher( seed, null, xml, [] ), + i = seed.length; + + // Match elements unmatched by `matcher` + while ( i-- ) { + if ( ( elem = unmatched[ i ] ) ) { + seed[ i ] = !( matches[ i ] = elem ); + } + } + } ) : + function( elem, _context, xml ) { + input[ 0 ] = elem; + matcher( input, null, xml, results ); + + // Don't keep the element + // (see https://github.com/jquery/sizzle/issues/299) + input[ 0 ] = null; + return !results.pop(); + }; + } ), + + has: markFunction( function( selector ) { + return function( elem ) { + return find( selector, elem ).length > 0; + }; + } ), + + contains: markFunction( function( text ) { + text = text.replace( runescape, funescape ); + return function( elem ) { + return ( elem.textContent || jQuery.text( elem ) ).indexOf( text ) > -1; + }; + } ), + + // "Whether an element is represented by a :lang() selector + // is based solely on the element's language value + // being equal to the identifier C, + // or beginning with the identifier C immediately followed by "-". + // The matching of C against the element's language value is performed case-insensitively. + // The identifier C does not have to be a valid language name." + // https://www.w3.org/TR/selectors/#lang-pseudo + lang: markFunction( function( lang ) { + + // lang value must be a valid identifier + if ( !ridentifier.test( lang || "" ) ) { + find.error( "unsupported lang: " + lang ); + } + lang = lang.replace( runescape, funescape ).toLowerCase(); + return function( elem ) { + var elemLang; + do { + if ( ( elemLang = documentIsHTML ? + elem.lang : + elem.getAttribute( "xml:lang" ) || elem.getAttribute( "lang" ) ) ) { + + elemLang = elemLang.toLowerCase(); + return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; + } + } while ( ( elem = elem.parentNode ) && elem.nodeType === 1 ); + return false; + }; + } ), + + // Miscellaneous + target: function( elem ) { + var hash = window.location && window.location.hash; + return hash && hash.slice( 1 ) === elem.id; + }, + + root: function( elem ) { + return elem === documentElement; + }, + + focus: function( elem ) { + return elem === safeActiveElement() && + document.hasFocus() && + !!( elem.type || elem.href || ~elem.tabIndex ); + }, + + // Boolean properties + enabled: createDisabledPseudo( false ), + disabled: createDisabledPseudo( true ), + + checked: function( elem ) { + + // In CSS3, :checked should return both checked and selected elements + // https://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked + return ( nodeName( elem, "input" ) && !!elem.checked ) || + ( nodeName( elem, "option" ) && !!elem.selected ); + }, + + selected: function( elem ) { + + // Support: IE <=11+ + // Accessing the selectedIndex property + // forces the browser to treat the default option as + // selected when in an optgroup. + if ( elem.parentNode ) { + // eslint-disable-next-line no-unused-expressions + elem.parentNode.selectedIndex; + } + + return elem.selected === true; + }, + + // Contents + empty: function( elem ) { + + // https://www.w3.org/TR/selectors/#empty-pseudo + // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), + // but not by others (comment: 8; processing instruction: 7; etc.) + // nodeType < 6 works because attributes (2) do not appear as children + for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { + if ( elem.nodeType < 6 ) { + return false; + } + } + return true; + }, + + parent: function( elem ) { + return !Expr.pseudos.empty( elem ); + }, + + // Element/input types + header: function( elem ) { + return rheader.test( elem.nodeName ); + }, + + input: function( elem ) { + return rinputs.test( elem.nodeName ); + }, + + button: function( elem ) { + return nodeName( elem, "input" ) && elem.type === "button" || + nodeName( elem, "button" ); + }, + + text: function( elem ) { + var attr; + return nodeName( elem, "input" ) && elem.type === "text" && + + // Support: IE <10 only + // New HTML5 attribute values (e.g., "search") appear + // with elem.type === "text" + ( ( attr = elem.getAttribute( "type" ) ) == null || + attr.toLowerCase() === "text" ); + }, + + // Position-in-collection + first: createPositionalPseudo( function() { + return [ 0 ]; + } ), + + last: createPositionalPseudo( function( _matchIndexes, length ) { + return [ length - 1 ]; + } ), + + eq: createPositionalPseudo( function( _matchIndexes, length, argument ) { + return [ argument < 0 ? argument + length : argument ]; + } ), + + even: createPositionalPseudo( function( matchIndexes, length ) { + var i = 0; + for ( ; i < length; i += 2 ) { + matchIndexes.push( i ); + } + return matchIndexes; + } ), + + odd: createPositionalPseudo( function( matchIndexes, length ) { + var i = 1; + for ( ; i < length; i += 2 ) { + matchIndexes.push( i ); + } + return matchIndexes; + } ), + + lt: createPositionalPseudo( function( matchIndexes, length, argument ) { + var i; + + if ( argument < 0 ) { + i = argument + length; + } else if ( argument > length ) { + i = length; + } else { + i = argument; + } + + for ( ; --i >= 0; ) { + matchIndexes.push( i ); + } + return matchIndexes; + } ), + + gt: createPositionalPseudo( function( matchIndexes, length, argument ) { + var i = argument < 0 ? argument + length : argument; + for ( ; ++i < length; ) { + matchIndexes.push( i ); + } + return matchIndexes; + } ) + } +}; + +Expr.pseudos.nth = Expr.pseudos.eq; + +// Add button/input type pseudos +for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { + Expr.pseudos[ i ] = createInputPseudo( i ); +} +for ( i in { submit: true, reset: true } ) { + Expr.pseudos[ i ] = createButtonPseudo( i ); +} + +// Easy API for creating new setFilters +function setFilters() {} +setFilters.prototype = Expr.filters = Expr.pseudos; +Expr.setFilters = new setFilters(); + +function tokenize( selector, parseOnly ) { + var matched, match, tokens, type, + soFar, groups, preFilters, + cached = tokenCache[ selector + " " ]; + + if ( cached ) { + return parseOnly ? 0 : cached.slice( 0 ); + } + + soFar = selector; + groups = []; + preFilters = Expr.preFilter; + + while ( soFar ) { + + // Comma and first run + if ( !matched || ( match = rcomma.exec( soFar ) ) ) { + if ( match ) { + + // Don't consume trailing commas as valid + soFar = soFar.slice( match[ 0 ].length ) || soFar; + } + groups.push( ( tokens = [] ) ); + } + + matched = false; + + // Combinators + if ( ( match = rleadingCombinator.exec( soFar ) ) ) { + matched = match.shift(); + tokens.push( { + value: matched, + + // Cast descendant combinators to space + type: match[ 0 ].replace( rtrimCSS, " " ) + } ); + soFar = soFar.slice( matched.length ); + } + + // Filters + for ( type in Expr.filter ) { + if ( ( match = matchExpr[ type ].exec( soFar ) ) && ( !preFilters[ type ] || + ( match = preFilters[ type ]( match ) ) ) ) { + matched = match.shift(); + tokens.push( { + value: matched, + type: type, + matches: match + } ); + soFar = soFar.slice( matched.length ); + } + } + + if ( !matched ) { + break; + } + } + + // Return the length of the invalid excess + // if we're just parsing + // Otherwise, throw an error or return tokens + if ( parseOnly ) { + return soFar.length; + } + + return soFar ? + find.error( selector ) : + + // Cache the tokens + tokenCache( selector, groups ).slice( 0 ); +} + +function toSelector( tokens ) { + var i = 0, + len = tokens.length, + selector = ""; + for ( ; i < len; i++ ) { + selector += tokens[ i ].value; + } + return selector; +} + +function addCombinator( matcher, combinator, base ) { + var dir = combinator.dir, + skip = combinator.next, + key = skip || dir, + checkNonElements = base && key === "parentNode", + doneName = done++; + + return combinator.first ? + + // Check against closest ancestor/preceding element + function( elem, context, xml ) { + while ( ( elem = elem[ dir ] ) ) { + if ( elem.nodeType === 1 || checkNonElements ) { + return matcher( elem, context, xml ); + } + } + return false; + } : + + // Check against all ancestor/preceding elements + function( elem, context, xml ) { + var oldCache, outerCache, + newCache = [ dirruns, doneName ]; + + // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching + if ( xml ) { + while ( ( elem = elem[ dir ] ) ) { + if ( elem.nodeType === 1 || checkNonElements ) { + if ( matcher( elem, context, xml ) ) { + return true; + } + } + } + } else { + while ( ( elem = elem[ dir ] ) ) { + if ( elem.nodeType === 1 || checkNonElements ) { + outerCache = elem[ expando ] || ( elem[ expando ] = {} ); + + if ( skip && nodeName( elem, skip ) ) { + elem = elem[ dir ] || elem; + } else if ( ( oldCache = outerCache[ key ] ) && + oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) { + + // Assign to newCache so results back-propagate to previous elements + return ( newCache[ 2 ] = oldCache[ 2 ] ); + } else { + + // Reuse newcache so results back-propagate to previous elements + outerCache[ key ] = newCache; + + // A match means we're done; a fail means we have to keep checking + if ( ( newCache[ 2 ] = matcher( elem, context, xml ) ) ) { + return true; + } + } + } + } + } + return false; + }; +} + +function elementMatcher( matchers ) { + return matchers.length > 1 ? + function( elem, context, xml ) { + var i = matchers.length; + while ( i-- ) { + if ( !matchers[ i ]( elem, context, xml ) ) { + return false; + } + } + return true; + } : + matchers[ 0 ]; +} + +function multipleContexts( selector, contexts, results ) { + var i = 0, + len = contexts.length; + for ( ; i < len; i++ ) { + find( selector, contexts[ i ], results ); + } + return results; +} + +function condense( unmatched, map, filter, context, xml ) { + var elem, + newUnmatched = [], + i = 0, + len = unmatched.length, + mapped = map != null; + + for ( ; i < len; i++ ) { + if ( ( elem = unmatched[ i ] ) ) { + if ( !filter || filter( elem, context, xml ) ) { + newUnmatched.push( elem ); + if ( mapped ) { + map.push( i ); + } + } + } + } + + return newUnmatched; +} + +function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { + if ( postFilter && !postFilter[ expando ] ) { + postFilter = setMatcher( postFilter ); + } + if ( postFinder && !postFinder[ expando ] ) { + postFinder = setMatcher( postFinder, postSelector ); + } + return markFunction( function( seed, results, context, xml ) { + var temp, i, elem, matcherOut, + preMap = [], + postMap = [], + preexisting = results.length, + + // Get initial elements from seed or context + elems = seed || + multipleContexts( selector || "*", + context.nodeType ? [ context ] : context, [] ), + + // Prefilter to get matcher input, preserving a map for seed-results synchronization + matcherIn = preFilter && ( seed || !selector ) ? + condense( elems, preMap, preFilter, context, xml ) : + elems; + + if ( matcher ) { + + // If we have a postFinder, or filtered seed, or non-seed postFilter + // or preexisting results, + matcherOut = postFinder || ( seed ? preFilter : preexisting || postFilter ) ? + + // ...intermediate processing is necessary + [] : + + // ...otherwise use results directly + results; + + // Find primary matches + matcher( matcherIn, matcherOut, context, xml ); + } else { + matcherOut = matcherIn; + } + + // Apply postFilter + if ( postFilter ) { + temp = condense( matcherOut, postMap ); + postFilter( temp, [], context, xml ); + + // Un-match failing elements by moving them back to matcherIn + i = temp.length; + while ( i-- ) { + if ( ( elem = temp[ i ] ) ) { + matcherOut[ postMap[ i ] ] = !( matcherIn[ postMap[ i ] ] = elem ); + } + } + } + + if ( seed ) { + if ( postFinder || preFilter ) { + if ( postFinder ) { + + // Get the final matcherOut by condensing this intermediate into postFinder contexts + temp = []; + i = matcherOut.length; + while ( i-- ) { + if ( ( elem = matcherOut[ i ] ) ) { + + // Restore matcherIn since elem is not yet a final match + temp.push( ( matcherIn[ i ] = elem ) ); + } + } + postFinder( null, ( matcherOut = [] ), temp, xml ); + } + + // Move matched elements from seed to results to keep them synchronized + i = matcherOut.length; + while ( i-- ) { + if ( ( elem = matcherOut[ i ] ) && + ( temp = postFinder ? indexOf.call( seed, elem ) : preMap[ i ] ) > -1 ) { + + seed[ temp ] = !( results[ temp ] = elem ); + } + } + } + + // Add elements to results, through postFinder if defined + } else { + matcherOut = condense( + matcherOut === results ? + matcherOut.splice( preexisting, matcherOut.length ) : + matcherOut + ); + if ( postFinder ) { + postFinder( null, results, matcherOut, xml ); + } else { + push.apply( results, matcherOut ); + } + } + } ); +} + +function matcherFromTokens( tokens ) { + var checkContext, matcher, j, + len = tokens.length, + leadingRelative = Expr.relative[ tokens[ 0 ].type ], + implicitRelative = leadingRelative || Expr.relative[ " " ], + i = leadingRelative ? 1 : 0, + + // The foundational matcher ensures that elements are reachable from top-level context(s) + matchContext = addCombinator( function( elem ) { + return elem === checkContext; + }, implicitRelative, true ), + matchAnyContext = addCombinator( function( elem ) { + return indexOf.call( checkContext, elem ) > -1; + }, implicitRelative, true ), + matchers = [ function( elem, context, xml ) { + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + var ret = ( !leadingRelative && ( xml || context != outermostContext ) ) || ( + ( checkContext = context ).nodeType ? + matchContext( elem, context, xml ) : + matchAnyContext( elem, context, xml ) ); + + // Avoid hanging onto element + // (see https://github.com/jquery/sizzle/issues/299) + checkContext = null; + return ret; + } ]; + + for ( ; i < len; i++ ) { + if ( ( matcher = Expr.relative[ tokens[ i ].type ] ) ) { + matchers = [ addCombinator( elementMatcher( matchers ), matcher ) ]; + } else { + matcher = Expr.filter[ tokens[ i ].type ].apply( null, tokens[ i ].matches ); + + // Return special upon seeing a positional matcher + if ( matcher[ expando ] ) { + + // Find the next relative operator (if any) for proper handling + j = ++i; + for ( ; j < len; j++ ) { + if ( Expr.relative[ tokens[ j ].type ] ) { + break; + } + } + return setMatcher( + i > 1 && elementMatcher( matchers ), + i > 1 && toSelector( + + // If the preceding token was a descendant combinator, insert an implicit any-element `*` + tokens.slice( 0, i - 1 ) + .concat( { value: tokens[ i - 2 ].type === " " ? "*" : "" } ) + ).replace( rtrimCSS, "$1" ), + matcher, + i < j && matcherFromTokens( tokens.slice( i, j ) ), + j < len && matcherFromTokens( ( tokens = tokens.slice( j ) ) ), + j < len && toSelector( tokens ) + ); + } + matchers.push( matcher ); + } + } + + return elementMatcher( matchers ); +} + +function matcherFromGroupMatchers( elementMatchers, setMatchers ) { + var bySet = setMatchers.length > 0, + byElement = elementMatchers.length > 0, + superMatcher = function( seed, context, xml, results, outermost ) { + var elem, j, matcher, + matchedCount = 0, + i = "0", + unmatched = seed && [], + setMatched = [], + contextBackup = outermostContext, + + // We must always have either seed elements or outermost context + elems = seed || byElement && Expr.find.TAG( "*", outermost ), + + // Use integer dirruns iff this is the outermost matcher + dirrunsUnique = ( dirruns += contextBackup == null ? 1 : Math.random() || 0.1 ), + len = elems.length; + + if ( outermost ) { + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + outermostContext = context == document || context || outermost; + } + + // Add elements passing elementMatchers directly to results + // Support: iOS <=7 - 9 only + // Tolerate NodeList properties (IE: "length"; Safari: ) matching + // elements by id. (see trac-14142) + for ( ; i !== len && ( elem = elems[ i ] ) != null; i++ ) { + if ( byElement && elem ) { + j = 0; + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( !context && elem.ownerDocument != document ) { + setDocument( elem ); + xml = !documentIsHTML; + } + while ( ( matcher = elementMatchers[ j++ ] ) ) { + if ( matcher( elem, context || document, xml ) ) { + push.call( results, elem ); + break; + } + } + if ( outermost ) { + dirruns = dirrunsUnique; + } + } + + // Track unmatched elements for set filters + if ( bySet ) { + + // They will have gone through all possible matchers + if ( ( elem = !matcher && elem ) ) { + matchedCount--; + } + + // Lengthen the array for every element, matched or not + if ( seed ) { + unmatched.push( elem ); + } + } + } + + // `i` is now the count of elements visited above, and adding it to `matchedCount` + // makes the latter nonnegative. + matchedCount += i; + + // Apply set filters to unmatched elements + // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount` + // equals `i`), unless we didn't visit _any_ elements in the above loop because we have + // no element matchers and no seed. + // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that + // case, which will result in a "00" `matchedCount` that differs from `i` but is also + // numerically zero. + if ( bySet && i !== matchedCount ) { + j = 0; + while ( ( matcher = setMatchers[ j++ ] ) ) { + matcher( unmatched, setMatched, context, xml ); + } + + if ( seed ) { + + // Reintegrate element matches to eliminate the need for sorting + if ( matchedCount > 0 ) { + while ( i-- ) { + if ( !( unmatched[ i ] || setMatched[ i ] ) ) { + setMatched[ i ] = pop.call( results ); + } + } + } + + // Discard index placeholder values to get only actual matches + setMatched = condense( setMatched ); + } + + // Add matches to results + push.apply( results, setMatched ); + + // Seedless set matches succeeding multiple successful matchers stipulate sorting + if ( outermost && !seed && setMatched.length > 0 && + ( matchedCount + setMatchers.length ) > 1 ) { + + jQuery.uniqueSort( results ); + } + } + + // Override manipulation of globals by nested matchers + if ( outermost ) { + dirruns = dirrunsUnique; + outermostContext = contextBackup; + } + + return unmatched; + }; + + return bySet ? + markFunction( superMatcher ) : + superMatcher; +} + +function compile( selector, match /* Internal Use Only */ ) { + var i, + setMatchers = [], + elementMatchers = [], + cached = compilerCache[ selector + " " ]; + + if ( !cached ) { + + // Generate a function of recursive functions that can be used to check each element + if ( !match ) { + match = tokenize( selector ); + } + i = match.length; + while ( i-- ) { + cached = matcherFromTokens( match[ i ] ); + if ( cached[ expando ] ) { + setMatchers.push( cached ); + } else { + elementMatchers.push( cached ); + } + } + + // Cache the compiled function + cached = compilerCache( selector, + matcherFromGroupMatchers( elementMatchers, setMatchers ) ); + + // Save selector and tokenization + cached.selector = selector; + } + return cached; +} + +/** + * A low-level selection function that works with jQuery's compiled + * selector functions + * @param {String|Function} selector A selector or a pre-compiled + * selector function built with jQuery selector compile + * @param {Element} context + * @param {Array} [results] + * @param {Array} [seed] A set of elements to match against + */ +function select( selector, context, results, seed ) { + var i, tokens, token, type, find, + compiled = typeof selector === "function" && selector, + match = !seed && tokenize( ( selector = compiled.selector || selector ) ); + + results = results || []; + + // Try to minimize operations if there is only one selector in the list and no seed + // (the latter of which guarantees us context) + if ( match.length === 1 ) { + + // Reduce context if the leading compound selector is an ID + tokens = match[ 0 ] = match[ 0 ].slice( 0 ); + if ( tokens.length > 2 && ( token = tokens[ 0 ] ).type === "ID" && + context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[ 1 ].type ] ) { + + context = ( Expr.find.ID( + token.matches[ 0 ].replace( runescape, funescape ), + context + ) || [] )[ 0 ]; + if ( !context ) { + return results; + + // Precompiled matchers will still verify ancestry, so step up a level + } else if ( compiled ) { + context = context.parentNode; + } + + selector = selector.slice( tokens.shift().value.length ); + } + + // Fetch a seed set for right-to-left matching + i = matchExpr.needsContext.test( selector ) ? 0 : tokens.length; + while ( i-- ) { + token = tokens[ i ]; + + // Abort if we hit a combinator + if ( Expr.relative[ ( type = token.type ) ] ) { + break; + } + if ( ( find = Expr.find[ type ] ) ) { + + // Search, expanding context for leading sibling combinators + if ( ( seed = find( + token.matches[ 0 ].replace( runescape, funescape ), + rsibling.test( tokens[ 0 ].type ) && + testContext( context.parentNode ) || context + ) ) ) { + + // If seed is empty or no tokens remain, we can return early + tokens.splice( i, 1 ); + selector = seed.length && toSelector( tokens ); + if ( !selector ) { + push.apply( results, seed ); + return results; + } + + break; + } + } + } + } + + // Compile and execute a filtering function if one is not provided + // Provide `match` to avoid retokenization if we modified the selector above + ( compiled || compile( selector, match ) )( + seed, + context, + !documentIsHTML, + results, + !context || rsibling.test( selector ) && testContext( context.parentNode ) || context + ); + return results; +} + +// One-time assignments + +// Support: Android <=4.0 - 4.1+ +// Sort stability +support.sortStable = expando.split( "" ).sort( sortOrder ).join( "" ) === expando; + +// Initialize against the default document +setDocument(); + +// Support: Android <=4.0 - 4.1+ +// Detached nodes confoundingly follow *each other* +support.sortDetached = assert( function( el ) { + + // Should return 1, but returns 4 (following) + return el.compareDocumentPosition( document.createElement( "fieldset" ) ) & 1; +} ); + +jQuery.find = find; + +// Deprecated +jQuery.expr[ ":" ] = jQuery.expr.pseudos; +jQuery.unique = jQuery.uniqueSort; + +// These have always been private, but they used to be documented as part of +// Sizzle so let's maintain them for now for backwards compatibility purposes. +find.compile = compile; +find.select = select; +find.setDocument = setDocument; +find.tokenize = tokenize; + +find.escape = jQuery.escapeSelector; +find.getText = jQuery.text; +find.isXML = jQuery.isXMLDoc; +find.selectors = jQuery.expr; +find.support = jQuery.support; +find.uniqueSort = jQuery.uniqueSort; + + /* eslint-enable */ + +} )(); + + +var dir = function( elem, dir, until ) { + var matched = [], + truncate = until !== undefined; + + while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) { + if ( elem.nodeType === 1 ) { + if ( truncate && jQuery( elem ).is( until ) ) { + break; + } + matched.push( elem ); + } + } + return matched; +}; + + +var siblings = function( n, elem ) { + var matched = []; + + for ( ; n; n = n.nextSibling ) { + if ( n.nodeType === 1 && n !== elem ) { + matched.push( n ); + } + } + + return matched; +}; + + +var rneedsContext = jQuery.expr.match.needsContext; + +var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i ); + + + +// Implement the identical functionality for filter and not +function winnow( elements, qualifier, not ) { + if ( isFunction( qualifier ) ) { + return jQuery.grep( elements, function( elem, i ) { + return !!qualifier.call( elem, i, elem ) !== not; + } ); + } + + // Single element + if ( qualifier.nodeType ) { + return jQuery.grep( elements, function( elem ) { + return ( elem === qualifier ) !== not; + } ); + } + + // Arraylike of elements (jQuery, arguments, Array) + if ( typeof qualifier !== "string" ) { + return jQuery.grep( elements, function( elem ) { + return ( indexOf.call( qualifier, elem ) > -1 ) !== not; + } ); + } + + // Filtered directly for both simple and complex selectors + return jQuery.filter( qualifier, elements, not ); +} + +jQuery.filter = function( expr, elems, not ) { + var elem = elems[ 0 ]; + + if ( not ) { + expr = ":not(" + expr + ")"; + } + + if ( elems.length === 1 && elem.nodeType === 1 ) { + return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : []; + } + + return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { + return elem.nodeType === 1; + } ) ); +}; + +jQuery.fn.extend( { + find: function( selector ) { + var i, ret, + len = this.length, + self = this; + + if ( typeof selector !== "string" ) { + return this.pushStack( jQuery( selector ).filter( function() { + for ( i = 0; i < len; i++ ) { + if ( jQuery.contains( self[ i ], this ) ) { + return true; + } + } + } ) ); + } + + ret = this.pushStack( [] ); + + for ( i = 0; i < len; i++ ) { + jQuery.find( selector, self[ i ], ret ); + } + + return len > 1 ? jQuery.uniqueSort( ret ) : ret; + }, + filter: function( selector ) { + return this.pushStack( winnow( this, selector || [], false ) ); + }, + not: function( selector ) { + return this.pushStack( winnow( this, selector || [], true ) ); + }, + is: function( selector ) { + return !!winnow( + this, + + // If this is a positional/relative selector, check membership in the returned set + // so $("p:first").is("p:last") won't return true for a doc with two "p". + typeof selector === "string" && rneedsContext.test( selector ) ? + jQuery( selector ) : + selector || [], + false + ).length; + } +} ); + + +// Initialize a jQuery object + + +// A central reference to the root jQuery(document) +var rootjQuery, + + // A simple way to check for HTML strings + // Prioritize #id over to avoid XSS via location.hash (trac-9521) + // Strict HTML recognition (trac-11290: must start with <) + // Shortcut simple #id case for speed + rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/, + + init = jQuery.fn.init = function( selector, context, root ) { + var match, elem; + + // HANDLE: $(""), $(null), $(undefined), $(false) + if ( !selector ) { + return this; + } + + // Method init() accepts an alternate rootjQuery + // so migrate can support jQuery.sub (gh-2101) + root = root || rootjQuery; + + // Handle HTML strings + if ( typeof selector === "string" ) { + if ( selector[ 0 ] === "<" && + selector[ selector.length - 1 ] === ">" && + selector.length >= 3 ) { + + // Assume that strings that start and end with <> are HTML and skip the regex check + match = [ null, selector, null ]; + + } else { + match = rquickExpr.exec( selector ); + } + + // Match html or make sure no context is specified for #id + if ( match && ( match[ 1 ] || !context ) ) { + + // HANDLE: $(html) -> $(array) + if ( match[ 1 ] ) { + context = context instanceof jQuery ? context[ 0 ] : context; + + // Option to run scripts is true for back-compat + // Intentionally let the error be thrown if parseHTML is not present + jQuery.merge( this, jQuery.parseHTML( + match[ 1 ], + context && context.nodeType ? context.ownerDocument || context : document, + true + ) ); + + // HANDLE: $(html, props) + if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) { + for ( match in context ) { + + // Properties of context are called as methods if possible + if ( isFunction( this[ match ] ) ) { + this[ match ]( context[ match ] ); + + // ...and otherwise set as attributes + } else { + this.attr( match, context[ match ] ); + } + } + } + + return this; + + // HANDLE: $(#id) + } else { + elem = document.getElementById( match[ 2 ] ); + + if ( elem ) { + + // Inject the element directly into the jQuery object + this[ 0 ] = elem; + this.length = 1; + } + return this; + } + + // HANDLE: $(expr, $(...)) + } else if ( !context || context.jquery ) { + return ( context || root ).find( selector ); + + // HANDLE: $(expr, context) + // (which is just equivalent to: $(context).find(expr) + } else { + return this.constructor( context ).find( selector ); + } + + // HANDLE: $(DOMElement) + } else if ( selector.nodeType ) { + this[ 0 ] = selector; + this.length = 1; + return this; + + // HANDLE: $(function) + // Shortcut for document ready + } else if ( isFunction( selector ) ) { + return root.ready !== undefined ? + root.ready( selector ) : + + // Execute immediately if ready is not present + selector( jQuery ); + } + + return jQuery.makeArray( selector, this ); + }; + +// Give the init function the jQuery prototype for later instantiation +init.prototype = jQuery.fn; + +// Initialize central reference +rootjQuery = jQuery( document ); + + +var rparentsprev = /^(?:parents|prev(?:Until|All))/, + + // Methods guaranteed to produce a unique set when starting from a unique set + guaranteedUnique = { + children: true, + contents: true, + next: true, + prev: true + }; + +jQuery.fn.extend( { + has: function( target ) { + var targets = jQuery( target, this ), + l = targets.length; + + return this.filter( function() { + var i = 0; + for ( ; i < l; i++ ) { + if ( jQuery.contains( this, targets[ i ] ) ) { + return true; + } + } + } ); + }, + + closest: function( selectors, context ) { + var cur, + i = 0, + l = this.length, + matched = [], + targets = typeof selectors !== "string" && jQuery( selectors ); + + // Positional selectors never match, since there's no _selection_ context + if ( !rneedsContext.test( selectors ) ) { + for ( ; i < l; i++ ) { + for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) { + + // Always skip document fragments + if ( cur.nodeType < 11 && ( targets ? + targets.index( cur ) > -1 : + + // Don't pass non-elements to jQuery#find + cur.nodeType === 1 && + jQuery.find.matchesSelector( cur, selectors ) ) ) { + + matched.push( cur ); + break; + } + } + } + } + + return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched ); + }, + + // Determine the position of an element within the set + index: function( elem ) { + + // No argument, return index in parent + if ( !elem ) { + return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1; + } + + // Index in selector + if ( typeof elem === "string" ) { + return indexOf.call( jQuery( elem ), this[ 0 ] ); + } + + // Locate the position of the desired element + return indexOf.call( this, + + // If it receives a jQuery object, the first element is used + elem.jquery ? elem[ 0 ] : elem + ); + }, + + add: function( selector, context ) { + return this.pushStack( + jQuery.uniqueSort( + jQuery.merge( this.get(), jQuery( selector, context ) ) + ) + ); + }, + + addBack: function( selector ) { + return this.add( selector == null ? + this.prevObject : this.prevObject.filter( selector ) + ); + } +} ); + +function sibling( cur, dir ) { + while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {} + return cur; +} + +jQuery.each( { + parent: function( elem ) { + var parent = elem.parentNode; + return parent && parent.nodeType !== 11 ? parent : null; + }, + parents: function( elem ) { + return dir( elem, "parentNode" ); + }, + parentsUntil: function( elem, _i, until ) { + return dir( elem, "parentNode", until ); + }, + next: function( elem ) { + return sibling( elem, "nextSibling" ); + }, + prev: function( elem ) { + return sibling( elem, "previousSibling" ); + }, + nextAll: function( elem ) { + return dir( elem, "nextSibling" ); + }, + prevAll: function( elem ) { + return dir( elem, "previousSibling" ); + }, + nextUntil: function( elem, _i, until ) { + return dir( elem, "nextSibling", until ); + }, + prevUntil: function( elem, _i, until ) { + return dir( elem, "previousSibling", until ); + }, + siblings: function( elem ) { + return siblings( ( elem.parentNode || {} ).firstChild, elem ); + }, + children: function( elem ) { + return siblings( elem.firstChild ); + }, + contents: function( elem ) { + if ( elem.contentDocument != null && + + // Support: IE 11+ + // elements with no `data` attribute has an object + // `contentDocument` with a `null` prototype. + getProto( elem.contentDocument ) ) { + + return elem.contentDocument; + } + + // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only + // Treat the template element as a regular one in browsers that + // don't support it. + if ( nodeName( elem, "template" ) ) { + elem = elem.content || elem; + } + + return jQuery.merge( [], elem.childNodes ); + } +}, function( name, fn ) { + jQuery.fn[ name ] = function( until, selector ) { + var matched = jQuery.map( this, fn, until ); + + if ( name.slice( -5 ) !== "Until" ) { + selector = until; + } + + if ( selector && typeof selector === "string" ) { + matched = jQuery.filter( selector, matched ); + } + + if ( this.length > 1 ) { + + // Remove duplicates + if ( !guaranteedUnique[ name ] ) { + jQuery.uniqueSort( matched ); + } + + // Reverse order for parents* and prev-derivatives + if ( rparentsprev.test( name ) ) { + matched.reverse(); + } + } + + return this.pushStack( matched ); + }; +} ); +var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g ); + + + +// Convert String-formatted options into Object-formatted ones +function createOptions( options ) { + var object = {}; + jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) { + object[ flag ] = true; + } ); + return object; +} + +/* + * Create a callback list using the following parameters: + * + * options: an optional list of space-separated options that will change how + * the callback list behaves or a more traditional option object + * + * By default a callback list will act like an event callback list and can be + * "fired" multiple times. + * + * Possible options: + * + * once: will ensure the callback list can only be fired once (like a Deferred) + * + * memory: will keep track of previous values and will call any callback added + * after the list has been fired right away with the latest "memorized" + * values (like a Deferred) + * + * unique: will ensure a callback can only be added once (no duplicate in the list) + * + * stopOnFalse: interrupt callings when a callback returns false + * + */ +jQuery.Callbacks = function( options ) { + + // Convert options from String-formatted to Object-formatted if needed + // (we check in cache first) + options = typeof options === "string" ? + createOptions( options ) : + jQuery.extend( {}, options ); + + var // Flag to know if list is currently firing + firing, + + // Last fire value for non-forgettable lists + memory, + + // Flag to know if list was already fired + fired, + + // Flag to prevent firing + locked, + + // Actual callback list + list = [], + + // Queue of execution data for repeatable lists + queue = [], + + // Index of currently firing callback (modified by add/remove as needed) + firingIndex = -1, + + // Fire callbacks + fire = function() { + + // Enforce single-firing + locked = locked || options.once; + + // Execute callbacks for all pending executions, + // respecting firingIndex overrides and runtime changes + fired = firing = true; + for ( ; queue.length; firingIndex = -1 ) { + memory = queue.shift(); + while ( ++firingIndex < list.length ) { + + // Run callback and check for early termination + if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false && + options.stopOnFalse ) { + + // Jump to end and forget the data so .add doesn't re-fire + firingIndex = list.length; + memory = false; + } + } + } + + // Forget the data if we're done with it + if ( !options.memory ) { + memory = false; + } + + firing = false; + + // Clean up if we're done firing for good + if ( locked ) { + + // Keep an empty list if we have data for future add calls + if ( memory ) { + list = []; + + // Otherwise, this object is spent + } else { + list = ""; + } + } + }, + + // Actual Callbacks object + self = { + + // Add a callback or a collection of callbacks to the list + add: function() { + if ( list ) { + + // If we have memory from a past run, we should fire after adding + if ( memory && !firing ) { + firingIndex = list.length - 1; + queue.push( memory ); + } + + ( function add( args ) { + jQuery.each( args, function( _, arg ) { + if ( isFunction( arg ) ) { + if ( !options.unique || !self.has( arg ) ) { + list.push( arg ); + } + } else if ( arg && arg.length && toType( arg ) !== "string" ) { + + // Inspect recursively + add( arg ); + } + } ); + } )( arguments ); + + if ( memory && !firing ) { + fire(); + } + } + return this; + }, + + // Remove a callback from the list + remove: function() { + jQuery.each( arguments, function( _, arg ) { + var index; + while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { + list.splice( index, 1 ); + + // Handle firing indexes + if ( index <= firingIndex ) { + firingIndex--; + } + } + } ); + return this; + }, + + // Check if a given callback is in the list. + // If no argument is given, return whether or not list has callbacks attached. + has: function( fn ) { + return fn ? + jQuery.inArray( fn, list ) > -1 : + list.length > 0; + }, + + // Remove all callbacks from the list + empty: function() { + if ( list ) { + list = []; + } + return this; + }, + + // Disable .fire and .add + // Abort any current/pending executions + // Clear all callbacks and values + disable: function() { + locked = queue = []; + list = memory = ""; + return this; + }, + disabled: function() { + return !list; + }, + + // Disable .fire + // Also disable .add unless we have memory (since it would have no effect) + // Abort any pending executions + lock: function() { + locked = queue = []; + if ( !memory && !firing ) { + list = memory = ""; + } + return this; + }, + locked: function() { + return !!locked; + }, + + // Call all callbacks with the given context and arguments + fireWith: function( context, args ) { + if ( !locked ) { + args = args || []; + args = [ context, args.slice ? args.slice() : args ]; + queue.push( args ); + if ( !firing ) { + fire(); + } + } + return this; + }, + + // Call all the callbacks with the given arguments + fire: function() { + self.fireWith( this, arguments ); + return this; + }, + + // To know if the callbacks have already been called at least once + fired: function() { + return !!fired; + } + }; + + return self; +}; + + +function Identity( v ) { + return v; +} +function Thrower( ex ) { + throw ex; +} + +function adoptValue( value, resolve, reject, noValue ) { + var method; + + try { + + // Check for promise aspect first to privilege synchronous behavior + if ( value && isFunction( ( method = value.promise ) ) ) { + method.call( value ).done( resolve ).fail( reject ); + + // Other thenables + } else if ( value && isFunction( ( method = value.then ) ) ) { + method.call( value, resolve, reject ); + + // Other non-thenables + } else { + + // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer: + // * false: [ value ].slice( 0 ) => resolve( value ) + // * true: [ value ].slice( 1 ) => resolve() + resolve.apply( undefined, [ value ].slice( noValue ) ); + } + + // For Promises/A+, convert exceptions into rejections + // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in + // Deferred#then to conditionally suppress rejection. + } catch ( value ) { + + // Support: Android 4.0 only + // Strict mode functions invoked without .call/.apply get global-object context + reject.apply( undefined, [ value ] ); + } +} + +jQuery.extend( { + + Deferred: function( func ) { + var tuples = [ + + // action, add listener, callbacks, + // ... .then handlers, argument index, [final state] + [ "notify", "progress", jQuery.Callbacks( "memory" ), + jQuery.Callbacks( "memory" ), 2 ], + [ "resolve", "done", jQuery.Callbacks( "once memory" ), + jQuery.Callbacks( "once memory" ), 0, "resolved" ], + [ "reject", "fail", jQuery.Callbacks( "once memory" ), + jQuery.Callbacks( "once memory" ), 1, "rejected" ] + ], + state = "pending", + promise = { + state: function() { + return state; + }, + always: function() { + deferred.done( arguments ).fail( arguments ); + return this; + }, + "catch": function( fn ) { + return promise.then( null, fn ); + }, + + // Keep pipe for back-compat + pipe: function( /* fnDone, fnFail, fnProgress */ ) { + var fns = arguments; + + return jQuery.Deferred( function( newDefer ) { + jQuery.each( tuples, function( _i, tuple ) { + + // Map tuples (progress, done, fail) to arguments (done, fail, progress) + var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ]; + + // deferred.progress(function() { bind to newDefer or newDefer.notify }) + // deferred.done(function() { bind to newDefer or newDefer.resolve }) + // deferred.fail(function() { bind to newDefer or newDefer.reject }) + deferred[ tuple[ 1 ] ]( function() { + var returned = fn && fn.apply( this, arguments ); + if ( returned && isFunction( returned.promise ) ) { + returned.promise() + .progress( newDefer.notify ) + .done( newDefer.resolve ) + .fail( newDefer.reject ); + } else { + newDefer[ tuple[ 0 ] + "With" ]( + this, + fn ? [ returned ] : arguments + ); + } + } ); + } ); + fns = null; + } ).promise(); + }, + then: function( onFulfilled, onRejected, onProgress ) { + var maxDepth = 0; + function resolve( depth, deferred, handler, special ) { + return function() { + var that = this, + args = arguments, + mightThrow = function() { + var returned, then; + + // Support: Promises/A+ section 2.3.3.3.3 + // https://promisesaplus.com/#point-59 + // Ignore double-resolution attempts + if ( depth < maxDepth ) { + return; + } + + returned = handler.apply( that, args ); + + // Support: Promises/A+ section 2.3.1 + // https://promisesaplus.com/#point-48 + if ( returned === deferred.promise() ) { + throw new TypeError( "Thenable self-resolution" ); + } + + // Support: Promises/A+ sections 2.3.3.1, 3.5 + // https://promisesaplus.com/#point-54 + // https://promisesaplus.com/#point-75 + // Retrieve `then` only once + then = returned && + + // Support: Promises/A+ section 2.3.4 + // https://promisesaplus.com/#point-64 + // Only check objects and functions for thenability + ( typeof returned === "object" || + typeof returned === "function" ) && + returned.then; + + // Handle a returned thenable + if ( isFunction( then ) ) { + + // Special processors (notify) just wait for resolution + if ( special ) { + then.call( + returned, + resolve( maxDepth, deferred, Identity, special ), + resolve( maxDepth, deferred, Thrower, special ) + ); + + // Normal processors (resolve) also hook into progress + } else { + + // ...and disregard older resolution values + maxDepth++; + + then.call( + returned, + resolve( maxDepth, deferred, Identity, special ), + resolve( maxDepth, deferred, Thrower, special ), + resolve( maxDepth, deferred, Identity, + deferred.notifyWith ) + ); + } + + // Handle all other returned values + } else { + + // Only substitute handlers pass on context + // and multiple values (non-spec behavior) + if ( handler !== Identity ) { + that = undefined; + args = [ returned ]; + } + + // Process the value(s) + // Default process is resolve + ( special || deferred.resolveWith )( that, args ); + } + }, + + // Only normal processors (resolve) catch and reject exceptions + process = special ? + mightThrow : + function() { + try { + mightThrow(); + } catch ( e ) { + + if ( jQuery.Deferred.exceptionHook ) { + jQuery.Deferred.exceptionHook( e, + process.error ); + } + + // Support: Promises/A+ section 2.3.3.3.4.1 + // https://promisesaplus.com/#point-61 + // Ignore post-resolution exceptions + if ( depth + 1 >= maxDepth ) { + + // Only substitute handlers pass on context + // and multiple values (non-spec behavior) + if ( handler !== Thrower ) { + that = undefined; + args = [ e ]; + } + + deferred.rejectWith( that, args ); + } + } + }; + + // Support: Promises/A+ section 2.3.3.3.1 + // https://promisesaplus.com/#point-57 + // Re-resolve promises immediately to dodge false rejection from + // subsequent errors + if ( depth ) { + process(); + } else { + + // Call an optional hook to record the error, in case of exception + // since it's otherwise lost when execution goes async + if ( jQuery.Deferred.getErrorHook ) { + process.error = jQuery.Deferred.getErrorHook(); + + // The deprecated alias of the above. While the name suggests + // returning the stack, not an error instance, jQuery just passes + // it directly to `console.warn` so both will work; an instance + // just better cooperates with source maps. + } else if ( jQuery.Deferred.getStackHook ) { + process.error = jQuery.Deferred.getStackHook(); + } + window.setTimeout( process ); + } + }; + } + + return jQuery.Deferred( function( newDefer ) { + + // progress_handlers.add( ... ) + tuples[ 0 ][ 3 ].add( + resolve( + 0, + newDefer, + isFunction( onProgress ) ? + onProgress : + Identity, + newDefer.notifyWith + ) + ); + + // fulfilled_handlers.add( ... ) + tuples[ 1 ][ 3 ].add( + resolve( + 0, + newDefer, + isFunction( onFulfilled ) ? + onFulfilled : + Identity + ) + ); + + // rejected_handlers.add( ... ) + tuples[ 2 ][ 3 ].add( + resolve( + 0, + newDefer, + isFunction( onRejected ) ? + onRejected : + Thrower + ) + ); + } ).promise(); + }, + + // Get a promise for this deferred + // If obj is provided, the promise aspect is added to the object + promise: function( obj ) { + return obj != null ? jQuery.extend( obj, promise ) : promise; + } + }, + deferred = {}; + + // Add list-specific methods + jQuery.each( tuples, function( i, tuple ) { + var list = tuple[ 2 ], + stateString = tuple[ 5 ]; + + // promise.progress = list.add + // promise.done = list.add + // promise.fail = list.add + promise[ tuple[ 1 ] ] = list.add; + + // Handle state + if ( stateString ) { + list.add( + function() { + + // state = "resolved" (i.e., fulfilled) + // state = "rejected" + state = stateString; + }, + + // rejected_callbacks.disable + // fulfilled_callbacks.disable + tuples[ 3 - i ][ 2 ].disable, + + // rejected_handlers.disable + // fulfilled_handlers.disable + tuples[ 3 - i ][ 3 ].disable, + + // progress_callbacks.lock + tuples[ 0 ][ 2 ].lock, + + // progress_handlers.lock + tuples[ 0 ][ 3 ].lock + ); + } + + // progress_handlers.fire + // fulfilled_handlers.fire + // rejected_handlers.fire + list.add( tuple[ 3 ].fire ); + + // deferred.notify = function() { deferred.notifyWith(...) } + // deferred.resolve = function() { deferred.resolveWith(...) } + // deferred.reject = function() { deferred.rejectWith(...) } + deferred[ tuple[ 0 ] ] = function() { + deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments ); + return this; + }; + + // deferred.notifyWith = list.fireWith + // deferred.resolveWith = list.fireWith + // deferred.rejectWith = list.fireWith + deferred[ tuple[ 0 ] + "With" ] = list.fireWith; + } ); + + // Make the deferred a promise + promise.promise( deferred ); + + // Call given func if any + if ( func ) { + func.call( deferred, deferred ); + } + + // All done! + return deferred; + }, + + // Deferred helper + when: function( singleValue ) { + var + + // count of uncompleted subordinates + remaining = arguments.length, + + // count of unprocessed arguments + i = remaining, + + // subordinate fulfillment data + resolveContexts = Array( i ), + resolveValues = slice.call( arguments ), + + // the primary Deferred + primary = jQuery.Deferred(), + + // subordinate callback factory + updateFunc = function( i ) { + return function( value ) { + resolveContexts[ i ] = this; + resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; + if ( !( --remaining ) ) { + primary.resolveWith( resolveContexts, resolveValues ); + } + }; + }; + + // Single- and empty arguments are adopted like Promise.resolve + if ( remaining <= 1 ) { + adoptValue( singleValue, primary.done( updateFunc( i ) ).resolve, primary.reject, + !remaining ); + + // Use .then() to unwrap secondary thenables (cf. gh-3000) + if ( primary.state() === "pending" || + isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) { + + return primary.then(); + } + } + + // Multiple arguments are aggregated like Promise.all array elements + while ( i-- ) { + adoptValue( resolveValues[ i ], updateFunc( i ), primary.reject ); + } + + return primary.promise(); + } +} ); + + +// These usually indicate a programmer mistake during development, +// warn about them ASAP rather than swallowing them by default. +var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/; + +// If `jQuery.Deferred.getErrorHook` is defined, `asyncError` is an error +// captured before the async barrier to get the original error cause +// which may otherwise be hidden. +jQuery.Deferred.exceptionHook = function( error, asyncError ) { + + // Support: IE 8 - 9 only + // Console exists when dev tools are open, which can happen at any time + if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) { + window.console.warn( "jQuery.Deferred exception: " + error.message, + error.stack, asyncError ); + } +}; + + + + +jQuery.readyException = function( error ) { + window.setTimeout( function() { + throw error; + } ); +}; + + + + +// The deferred used on DOM ready +var readyList = jQuery.Deferred(); + +jQuery.fn.ready = function( fn ) { + + readyList + .then( fn ) + + // Wrap jQuery.readyException in a function so that the lookup + // happens at the time of error handling instead of callback + // registration. + .catch( function( error ) { + jQuery.readyException( error ); + } ); + + return this; +}; + +jQuery.extend( { + + // Is the DOM ready to be used? Set to true once it occurs. + isReady: false, + + // A counter to track how many items to wait for before + // the ready event fires. See trac-6781 + readyWait: 1, + + // Handle when the DOM is ready + ready: function( wait ) { + + // Abort if there are pending holds or we're already ready + if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) { + return; + } + + // Remember that the DOM is ready + jQuery.isReady = true; + + // If a normal DOM Ready event fired, decrement, and wait if need be + if ( wait !== true && --jQuery.readyWait > 0 ) { + return; + } + + // If there are functions bound, to execute + readyList.resolveWith( document, [ jQuery ] ); + } +} ); + +jQuery.ready.then = readyList.then; + +// The ready event handler and self cleanup method +function completed() { + document.removeEventListener( "DOMContentLoaded", completed ); + window.removeEventListener( "load", completed ); + jQuery.ready(); +} + +// Catch cases where $(document).ready() is called +// after the browser event has already occurred. +// Support: IE <=9 - 10 only +// Older IE sometimes signals "interactive" too soon +if ( document.readyState === "complete" || + ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) { + + // Handle it asynchronously to allow scripts the opportunity to delay ready + window.setTimeout( jQuery.ready ); + +} else { + + // Use the handy event callback + document.addEventListener( "DOMContentLoaded", completed ); + + // A fallback to window.onload, that will always work + window.addEventListener( "load", completed ); +} + + + + +// Multifunctional method to get and set values of a collection +// The value/s can optionally be executed if it's a function +var access = function( elems, fn, key, value, chainable, emptyGet, raw ) { + var i = 0, + len = elems.length, + bulk = key == null; + + // Sets many values + if ( toType( key ) === "object" ) { + chainable = true; + for ( i in key ) { + access( elems, fn, i, key[ i ], true, emptyGet, raw ); + } + + // Sets one value + } else if ( value !== undefined ) { + chainable = true; + + if ( !isFunction( value ) ) { + raw = true; + } + + if ( bulk ) { + + // Bulk operations run against the entire set + if ( raw ) { + fn.call( elems, value ); + fn = null; + + // ...except when executing function values + } else { + bulk = fn; + fn = function( elem, _key, value ) { + return bulk.call( jQuery( elem ), value ); + }; + } + } + + if ( fn ) { + for ( ; i < len; i++ ) { + fn( + elems[ i ], key, raw ? + value : + value.call( elems[ i ], i, fn( elems[ i ], key ) ) + ); + } + } + } + + if ( chainable ) { + return elems; + } + + // Gets + if ( bulk ) { + return fn.call( elems ); + } + + return len ? fn( elems[ 0 ], key ) : emptyGet; +}; + + +// Matches dashed string for camelizing +var rmsPrefix = /^-ms-/, + rdashAlpha = /-([a-z])/g; + +// Used by camelCase as callback to replace() +function fcamelCase( _all, letter ) { + return letter.toUpperCase(); +} + +// Convert dashed to camelCase; used by the css and data modules +// Support: IE <=9 - 11, Edge 12 - 15 +// Microsoft forgot to hump their vendor prefix (trac-9572) +function camelCase( string ) { + return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); +} +var acceptData = function( owner ) { + + // Accepts only: + // - Node + // - Node.ELEMENT_NODE + // - Node.DOCUMENT_NODE + // - Object + // - Any + return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType ); +}; + + + + +function Data() { + this.expando = jQuery.expando + Data.uid++; +} + +Data.uid = 1; + +Data.prototype = { + + cache: function( owner ) { + + // Check if the owner object already has a cache + var value = owner[ this.expando ]; + + // If not, create one + if ( !value ) { + value = {}; + + // We can accept data for non-element nodes in modern browsers, + // but we should not, see trac-8335. + // Always return an empty object. + if ( acceptData( owner ) ) { + + // If it is a node unlikely to be stringify-ed or looped over + // use plain assignment + if ( owner.nodeType ) { + owner[ this.expando ] = value; + + // Otherwise secure it in a non-enumerable property + // configurable must be true to allow the property to be + // deleted when data is removed + } else { + Object.defineProperty( owner, this.expando, { + value: value, + configurable: true + } ); + } + } + } + + return value; + }, + set: function( owner, data, value ) { + var prop, + cache = this.cache( owner ); + + // Handle: [ owner, key, value ] args + // Always use camelCase key (gh-2257) + if ( typeof data === "string" ) { + cache[ camelCase( data ) ] = value; + + // Handle: [ owner, { properties } ] args + } else { + + // Copy the properties one-by-one to the cache object + for ( prop in data ) { + cache[ camelCase( prop ) ] = data[ prop ]; + } + } + return cache; + }, + get: function( owner, key ) { + return key === undefined ? + this.cache( owner ) : + + // Always use camelCase key (gh-2257) + owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ]; + }, + access: function( owner, key, value ) { + + // In cases where either: + // + // 1. No key was specified + // 2. A string key was specified, but no value provided + // + // Take the "read" path and allow the get method to determine + // which value to return, respectively either: + // + // 1. The entire cache object + // 2. The data stored at the key + // + if ( key === undefined || + ( ( key && typeof key === "string" ) && value === undefined ) ) { + + return this.get( owner, key ); + } + + // When the key is not a string, or both a key and value + // are specified, set or extend (existing objects) with either: + // + // 1. An object of properties + // 2. A key and value + // + this.set( owner, key, value ); + + // Since the "set" path can have two possible entry points + // return the expected data based on which path was taken[*] + return value !== undefined ? value : key; + }, + remove: function( owner, key ) { + var i, + cache = owner[ this.expando ]; + + if ( cache === undefined ) { + return; + } + + if ( key !== undefined ) { + + // Support array or space separated string of keys + if ( Array.isArray( key ) ) { + + // If key is an array of keys... + // We always set camelCase keys, so remove that. + key = key.map( camelCase ); + } else { + key = camelCase( key ); + + // If a key with the spaces exists, use it. + // Otherwise, create an array by matching non-whitespace + key = key in cache ? + [ key ] : + ( key.match( rnothtmlwhite ) || [] ); + } + + i = key.length; + + while ( i-- ) { + delete cache[ key[ i ] ]; + } + } + + // Remove the expando if there's no more data + if ( key === undefined || jQuery.isEmptyObject( cache ) ) { + + // Support: Chrome <=35 - 45 + // Webkit & Blink performance suffers when deleting properties + // from DOM nodes, so set to undefined instead + // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted) + if ( owner.nodeType ) { + owner[ this.expando ] = undefined; + } else { + delete owner[ this.expando ]; + } + } + }, + hasData: function( owner ) { + var cache = owner[ this.expando ]; + return cache !== undefined && !jQuery.isEmptyObject( cache ); + } +}; +var dataPriv = new Data(); + +var dataUser = new Data(); + + + +// Implementation Summary +// +// 1. Enforce API surface and semantic compatibility with 1.9.x branch +// 2. Improve the module's maintainability by reducing the storage +// paths to a single mechanism. +// 3. Use the same single mechanism to support "private" and "user" data. +// 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData) +// 5. Avoid exposing implementation details on user objects (eg. expando properties) +// 6. Provide a clear path for implementation upgrade to WeakMap in 2014 + +var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/, + rmultiDash = /[A-Z]/g; + +function getData( data ) { + if ( data === "true" ) { + return true; + } + + if ( data === "false" ) { + return false; + } + + if ( data === "null" ) { + return null; + } + + // Only convert to a number if it doesn't change the string + if ( data === +data + "" ) { + return +data; + } + + if ( rbrace.test( data ) ) { + return JSON.parse( data ); + } + + return data; +} + +function dataAttr( elem, key, data ) { + var name; + + // If nothing was found internally, try to fetch any + // data from the HTML5 data-* attribute + if ( data === undefined && elem.nodeType === 1 ) { + name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase(); + data = elem.getAttribute( name ); + + if ( typeof data === "string" ) { + try { + data = getData( data ); + } catch ( e ) {} + + // Make sure we set the data so it isn't changed later + dataUser.set( elem, key, data ); + } else { + data = undefined; + } + } + return data; +} + +jQuery.extend( { + hasData: function( elem ) { + return dataUser.hasData( elem ) || dataPriv.hasData( elem ); + }, + + data: function( elem, name, data ) { + return dataUser.access( elem, name, data ); + }, + + removeData: function( elem, name ) { + dataUser.remove( elem, name ); + }, + + // TODO: Now that all calls to _data and _removeData have been replaced + // with direct calls to dataPriv methods, these can be deprecated. + _data: function( elem, name, data ) { + return dataPriv.access( elem, name, data ); + }, + + _removeData: function( elem, name ) { + dataPriv.remove( elem, name ); + } +} ); + +jQuery.fn.extend( { + data: function( key, value ) { + var i, name, data, + elem = this[ 0 ], + attrs = elem && elem.attributes; + + // Gets all values + if ( key === undefined ) { + if ( this.length ) { + data = dataUser.get( elem ); + + if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) { + i = attrs.length; + while ( i-- ) { + + // Support: IE 11 only + // The attrs elements can be null (trac-14894) + if ( attrs[ i ] ) { + name = attrs[ i ].name; + if ( name.indexOf( "data-" ) === 0 ) { + name = camelCase( name.slice( 5 ) ); + dataAttr( elem, name, data[ name ] ); + } + } + } + dataPriv.set( elem, "hasDataAttrs", true ); + } + } + + return data; + } + + // Sets multiple values + if ( typeof key === "object" ) { + return this.each( function() { + dataUser.set( this, key ); + } ); + } + + return access( this, function( value ) { + var data; + + // The calling jQuery object (element matches) is not empty + // (and therefore has an element appears at this[ 0 ]) and the + // `value` parameter was not undefined. An empty jQuery object + // will result in `undefined` for elem = this[ 0 ] which will + // throw an exception if an attempt to read a data cache is made. + if ( elem && value === undefined ) { + + // Attempt to get data from the cache + // The key will always be camelCased in Data + data = dataUser.get( elem, key ); + if ( data !== undefined ) { + return data; + } + + // Attempt to "discover" the data in + // HTML5 custom data-* attrs + data = dataAttr( elem, key ); + if ( data !== undefined ) { + return data; + } + + // We tried really hard, but the data doesn't exist. + return; + } + + // Set the data... + this.each( function() { + + // We always store the camelCased key + dataUser.set( this, key, value ); + } ); + }, null, value, arguments.length > 1, null, true ); + }, + + removeData: function( key ) { + return this.each( function() { + dataUser.remove( this, key ); + } ); + } +} ); + + +jQuery.extend( { + queue: function( elem, type, data ) { + var queue; + + if ( elem ) { + type = ( type || "fx" ) + "queue"; + queue = dataPriv.get( elem, type ); + + // Speed up dequeue by getting out quickly if this is just a lookup + if ( data ) { + if ( !queue || Array.isArray( data ) ) { + queue = dataPriv.access( elem, type, jQuery.makeArray( data ) ); + } else { + queue.push( data ); + } + } + return queue || []; + } + }, + + dequeue: function( elem, type ) { + type = type || "fx"; + + var queue = jQuery.queue( elem, type ), + startLength = queue.length, + fn = queue.shift(), + hooks = jQuery._queueHooks( elem, type ), + next = function() { + jQuery.dequeue( elem, type ); + }; + + // If the fx queue is dequeued, always remove the progress sentinel + if ( fn === "inprogress" ) { + fn = queue.shift(); + startLength--; + } + + if ( fn ) { + + // Add a progress sentinel to prevent the fx queue from being + // automatically dequeued + if ( type === "fx" ) { + queue.unshift( "inprogress" ); + } + + // Clear up the last queue stop function + delete hooks.stop; + fn.call( elem, next, hooks ); + } + + if ( !startLength && hooks ) { + hooks.empty.fire(); + } + }, + + // Not public - generate a queueHooks object, or return the current one + _queueHooks: function( elem, type ) { + var key = type + "queueHooks"; + return dataPriv.get( elem, key ) || dataPriv.access( elem, key, { + empty: jQuery.Callbacks( "once memory" ).add( function() { + dataPriv.remove( elem, [ type + "queue", key ] ); + } ) + } ); + } +} ); + +jQuery.fn.extend( { + queue: function( type, data ) { + var setter = 2; + + if ( typeof type !== "string" ) { + data = type; + type = "fx"; + setter--; + } + + if ( arguments.length < setter ) { + return jQuery.queue( this[ 0 ], type ); + } + + return data === undefined ? + this : + this.each( function() { + var queue = jQuery.queue( this, type, data ); + + // Ensure a hooks for this queue + jQuery._queueHooks( this, type ); + + if ( type === "fx" && queue[ 0 ] !== "inprogress" ) { + jQuery.dequeue( this, type ); + } + } ); + }, + dequeue: function( type ) { + return this.each( function() { + jQuery.dequeue( this, type ); + } ); + }, + clearQueue: function( type ) { + return this.queue( type || "fx", [] ); + }, + + // Get a promise resolved when queues of a certain type + // are emptied (fx is the type by default) + promise: function( type, obj ) { + var tmp, + count = 1, + defer = jQuery.Deferred(), + elements = this, + i = this.length, + resolve = function() { + if ( !( --count ) ) { + defer.resolveWith( elements, [ elements ] ); + } + }; + + if ( typeof type !== "string" ) { + obj = type; + type = undefined; + } + type = type || "fx"; + + while ( i-- ) { + tmp = dataPriv.get( elements[ i ], type + "queueHooks" ); + if ( tmp && tmp.empty ) { + count++; + tmp.empty.add( resolve ); + } + } + resolve(); + return defer.promise( obj ); + } +} ); +var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source; + +var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ); + + +var cssExpand = [ "Top", "Right", "Bottom", "Left" ]; + +var documentElement = document.documentElement; + + + + var isAttached = function( elem ) { + return jQuery.contains( elem.ownerDocument, elem ); + }, + composed = { composed: true }; + + // Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only + // Check attachment across shadow DOM boundaries when possible (gh-3504) + // Support: iOS 10.0-10.2 only + // Early iOS 10 versions support `attachShadow` but not `getRootNode`, + // leading to errors. We need to check for `getRootNode`. + if ( documentElement.getRootNode ) { + isAttached = function( elem ) { + return jQuery.contains( elem.ownerDocument, elem ) || + elem.getRootNode( composed ) === elem.ownerDocument; + }; + } +var isHiddenWithinTree = function( elem, el ) { + + // isHiddenWithinTree might be called from jQuery#filter function; + // in that case, element will be second argument + elem = el || elem; + + // Inline style trumps all + return elem.style.display === "none" || + elem.style.display === "" && + + // Otherwise, check computed style + // Support: Firefox <=43 - 45 + // Disconnected elements can have computed display: none, so first confirm that elem is + // in the document. + isAttached( elem ) && + + jQuery.css( elem, "display" ) === "none"; + }; + + + +function adjustCSS( elem, prop, valueParts, tween ) { + var adjusted, scale, + maxIterations = 20, + currentValue = tween ? + function() { + return tween.cur(); + } : + function() { + return jQuery.css( elem, prop, "" ); + }, + initial = currentValue(), + unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ), + + // Starting value computation is required for potential unit mismatches + initialInUnit = elem.nodeType && + ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) && + rcssNum.exec( jQuery.css( elem, prop ) ); + + if ( initialInUnit && initialInUnit[ 3 ] !== unit ) { + + // Support: Firefox <=54 + // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144) + initial = initial / 2; + + // Trust units reported by jQuery.css + unit = unit || initialInUnit[ 3 ]; + + // Iteratively approximate from a nonzero starting point + initialInUnit = +initial || 1; + + while ( maxIterations-- ) { + + // Evaluate and update our best guess (doubling guesses that zero out). + // Finish if the scale equals or crosses 1 (making the old*new product non-positive). + jQuery.style( elem, prop, initialInUnit + unit ); + if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) { + maxIterations = 0; + } + initialInUnit = initialInUnit / scale; + + } + + initialInUnit = initialInUnit * 2; + jQuery.style( elem, prop, initialInUnit + unit ); + + // Make sure we update the tween properties later on + valueParts = valueParts || []; + } + + if ( valueParts ) { + initialInUnit = +initialInUnit || +initial || 0; + + // Apply relative offset (+=/-=) if specified + adjusted = valueParts[ 1 ] ? + initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] : + +valueParts[ 2 ]; + if ( tween ) { + tween.unit = unit; + tween.start = initialInUnit; + tween.end = adjusted; + } + } + return adjusted; +} + + +var defaultDisplayMap = {}; + +function getDefaultDisplay( elem ) { + var temp, + doc = elem.ownerDocument, + nodeName = elem.nodeName, + display = defaultDisplayMap[ nodeName ]; + + if ( display ) { + return display; + } + + temp = doc.body.appendChild( doc.createElement( nodeName ) ); + display = jQuery.css( temp, "display" ); + + temp.parentNode.removeChild( temp ); + + if ( display === "none" ) { + display = "block"; + } + defaultDisplayMap[ nodeName ] = display; + + return display; +} + +function showHide( elements, show ) { + var display, elem, + values = [], + index = 0, + length = elements.length; + + // Determine new display value for elements that need to change + for ( ; index < length; index++ ) { + elem = elements[ index ]; + if ( !elem.style ) { + continue; + } + + display = elem.style.display; + if ( show ) { + + // Since we force visibility upon cascade-hidden elements, an immediate (and slow) + // check is required in this first loop unless we have a nonempty display value (either + // inline or about-to-be-restored) + if ( display === "none" ) { + values[ index ] = dataPriv.get( elem, "display" ) || null; + if ( !values[ index ] ) { + elem.style.display = ""; + } + } + if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) { + values[ index ] = getDefaultDisplay( elem ); + } + } else { + if ( display !== "none" ) { + values[ index ] = "none"; + + // Remember what we're overwriting + dataPriv.set( elem, "display", display ); + } + } + } + + // Set the display of the elements in a second loop to avoid constant reflow + for ( index = 0; index < length; index++ ) { + if ( values[ index ] != null ) { + elements[ index ].style.display = values[ index ]; + } + } + + return elements; +} + +jQuery.fn.extend( { + show: function() { + return showHide( this, true ); + }, + hide: function() { + return showHide( this ); + }, + toggle: function( state ) { + if ( typeof state === "boolean" ) { + return state ? this.show() : this.hide(); + } + + return this.each( function() { + if ( isHiddenWithinTree( this ) ) { + jQuery( this ).show(); + } else { + jQuery( this ).hide(); + } + } ); + } +} ); +var rcheckableType = ( /^(?:checkbox|radio)$/i ); + +var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i ); + +var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i ); + + + +( function() { + var fragment = document.createDocumentFragment(), + div = fragment.appendChild( document.createElement( "div" ) ), + input = document.createElement( "input" ); + + // Support: Android 4.0 - 4.3 only + // Check state lost if the name is set (trac-11217) + // Support: Windows Web Apps (WWA) + // `name` and `type` must use .setAttribute for WWA (trac-14901) + input.setAttribute( "type", "radio" ); + input.setAttribute( "checked", "checked" ); + input.setAttribute( "name", "t" ); + + div.appendChild( input ); + + // Support: Android <=4.1 only + // Older WebKit doesn't clone checked state correctly in fragments + support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked; + + // Support: IE <=11 only + // Make sure textarea (and checkbox) defaultValue is properly cloned + div.innerHTML = ""; + support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue; + + // Support: IE <=9 only + // IE <=9 replaces "; + support.option = !!div.lastChild; +} )(); + + +// We have to close these tags to support XHTML (trac-13200) +var wrapMap = { + + // XHTML parsers do not magically insert elements in the + // same way that tag soup parsers do. So we cannot shorten + // this by omitting or other required elements. + thead: [ 1, "", "
" ], + col: [ 2, "", "
" ], + tr: [ 2, "", "
" ], + td: [ 3, "", "
" ], + + _default: [ 0, "", "" ] +}; + +wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; +wrapMap.th = wrapMap.td; + +// Support: IE <=9 only +if ( !support.option ) { + wrapMap.optgroup = wrapMap.option = [ 1, "" ]; +} + + +function getAll( context, tag ) { + + // Support: IE <=9 - 11 only + // Use typeof to avoid zero-argument method invocation on host objects (trac-15151) + var ret; + + if ( typeof context.getElementsByTagName !== "undefined" ) { + ret = context.getElementsByTagName( tag || "*" ); + + } else if ( typeof context.querySelectorAll !== "undefined" ) { + ret = context.querySelectorAll( tag || "*" ); + + } else { + ret = []; + } + + if ( tag === undefined || tag && nodeName( context, tag ) ) { + return jQuery.merge( [ context ], ret ); + } + + return ret; +} + + +// Mark scripts as having already been evaluated +function setGlobalEval( elems, refElements ) { + var i = 0, + l = elems.length; + + for ( ; i < l; i++ ) { + dataPriv.set( + elems[ i ], + "globalEval", + !refElements || dataPriv.get( refElements[ i ], "globalEval" ) + ); + } +} + + +var rhtml = /<|&#?\w+;/; + +function buildFragment( elems, context, scripts, selection, ignored ) { + var elem, tmp, tag, wrap, attached, j, + fragment = context.createDocumentFragment(), + nodes = [], + i = 0, + l = elems.length; + + for ( ; i < l; i++ ) { + elem = elems[ i ]; + + if ( elem || elem === 0 ) { + + // Add nodes directly + if ( toType( elem ) === "object" ) { + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem ); + + // Convert non-html into a text node + } else if ( !rhtml.test( elem ) ) { + nodes.push( context.createTextNode( elem ) ); + + // Convert html into DOM nodes + } else { + tmp = tmp || fragment.appendChild( context.createElement( "div" ) ); + + // Deserialize a standard representation + tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase(); + wrap = wrapMap[ tag ] || wrapMap._default; + tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ]; + + // Descend through wrappers to the right content + j = wrap[ 0 ]; + while ( j-- ) { + tmp = tmp.lastChild; + } + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + jQuery.merge( nodes, tmp.childNodes ); + + // Remember the top-level container + tmp = fragment.firstChild; + + // Ensure the created nodes are orphaned (trac-12392) + tmp.textContent = ""; + } + } + } + + // Remove wrapper from fragment + fragment.textContent = ""; + + i = 0; + while ( ( elem = nodes[ i++ ] ) ) { + + // Skip elements already in the context collection (trac-4087) + if ( selection && jQuery.inArray( elem, selection ) > -1 ) { + if ( ignored ) { + ignored.push( elem ); + } + continue; + } + + attached = isAttached( elem ); + + // Append to fragment + tmp = getAll( fragment.appendChild( elem ), "script" ); + + // Preserve script evaluation history + if ( attached ) { + setGlobalEval( tmp ); + } + + // Capture executables + if ( scripts ) { + j = 0; + while ( ( elem = tmp[ j++ ] ) ) { + if ( rscriptType.test( elem.type || "" ) ) { + scripts.push( elem ); + } + } + } + } + + return fragment; +} + + +var rtypenamespace = /^([^.]*)(?:\.(.+)|)/; + +function returnTrue() { + return true; +} + +function returnFalse() { + return false; +} + +function on( elem, types, selector, data, fn, one ) { + var origFn, type; + + // Types can be a map of types/handlers + if ( typeof types === "object" ) { + + // ( types-Object, selector, data ) + if ( typeof selector !== "string" ) { + + // ( types-Object, data ) + data = data || selector; + selector = undefined; + } + for ( type in types ) { + on( elem, type, selector, data, types[ type ], one ); + } + return elem; + } + + if ( data == null && fn == null ) { + + // ( types, fn ) + fn = selector; + data = selector = undefined; + } else if ( fn == null ) { + if ( typeof selector === "string" ) { + + // ( types, selector, fn ) + fn = data; + data = undefined; + } else { + + // ( types, data, fn ) + fn = data; + data = selector; + selector = undefined; + } + } + if ( fn === false ) { + fn = returnFalse; + } else if ( !fn ) { + return elem; + } + + if ( one === 1 ) { + origFn = fn; + fn = function( event ) { + + // Can use an empty set, since event contains the info + jQuery().off( event ); + return origFn.apply( this, arguments ); + }; + + // Use same guid so caller can remove using origFn + fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ ); + } + return elem.each( function() { + jQuery.event.add( this, types, fn, data, selector ); + } ); +} + +/* + * Helper functions for managing events -- not part of the public interface. + * Props to Dean Edwards' addEvent library for many of the ideas. + */ +jQuery.event = { + + global: {}, + + add: function( elem, types, handler, data, selector ) { + + var handleObjIn, eventHandle, tmp, + events, t, handleObj, + special, handlers, type, namespaces, origType, + elemData = dataPriv.get( elem ); + + // Only attach events to objects that accept data + if ( !acceptData( elem ) ) { + return; + } + + // Caller can pass in an object of custom data in lieu of the handler + if ( handler.handler ) { + handleObjIn = handler; + handler = handleObjIn.handler; + selector = handleObjIn.selector; + } + + // Ensure that invalid selectors throw exceptions at attach time + // Evaluate against documentElement in case elem is a non-element node (e.g., document) + if ( selector ) { + jQuery.find.matchesSelector( documentElement, selector ); + } + + // Make sure that the handler has a unique ID, used to find/remove it later + if ( !handler.guid ) { + handler.guid = jQuery.guid++; + } + + // Init the element's event structure and main handler, if this is the first + if ( !( events = elemData.events ) ) { + events = elemData.events = Object.create( null ); + } + if ( !( eventHandle = elemData.handle ) ) { + eventHandle = elemData.handle = function( e ) { + + // Discard the second event of a jQuery.event.trigger() and + // when an event is called after a page has unloaded + return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ? + jQuery.event.dispatch.apply( elem, arguments ) : undefined; + }; + } + + // Handle multiple events separated by a space + types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; + t = types.length; + while ( t-- ) { + tmp = rtypenamespace.exec( types[ t ] ) || []; + type = origType = tmp[ 1 ]; + namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort(); + + // There *must* be a type, no attaching namespace-only handlers + if ( !type ) { + continue; + } + + // If event changes its type, use the special event handlers for the changed type + special = jQuery.event.special[ type ] || {}; + + // If selector defined, determine special event api type, otherwise given type + type = ( selector ? special.delegateType : special.bindType ) || type; + + // Update special based on newly reset type + special = jQuery.event.special[ type ] || {}; + + // handleObj is passed to all event handlers + handleObj = jQuery.extend( { + type: type, + origType: origType, + data: data, + handler: handler, + guid: handler.guid, + selector: selector, + needsContext: selector && jQuery.expr.match.needsContext.test( selector ), + namespace: namespaces.join( "." ) + }, handleObjIn ); + + // Init the event handler queue if we're the first + if ( !( handlers = events[ type ] ) ) { + handlers = events[ type ] = []; + handlers.delegateCount = 0; + + // Only use addEventListener if the special events handler returns false + if ( !special.setup || + special.setup.call( elem, data, namespaces, eventHandle ) === false ) { + + if ( elem.addEventListener ) { + elem.addEventListener( type, eventHandle ); + } + } + } + + if ( special.add ) { + special.add.call( elem, handleObj ); + + if ( !handleObj.handler.guid ) { + handleObj.handler.guid = handler.guid; + } + } + + // Add to the element's handler list, delegates in front + if ( selector ) { + handlers.splice( handlers.delegateCount++, 0, handleObj ); + } else { + handlers.push( handleObj ); + } + + // Keep track of which events have ever been used, for event optimization + jQuery.event.global[ type ] = true; + } + + }, + + // Detach an event or set of events from an element + remove: function( elem, types, handler, selector, mappedTypes ) { + + var j, origCount, tmp, + events, t, handleObj, + special, handlers, type, namespaces, origType, + elemData = dataPriv.hasData( elem ) && dataPriv.get( elem ); + + if ( !elemData || !( events = elemData.events ) ) { + return; + } + + // Once for each type.namespace in types; type may be omitted + types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; + t = types.length; + while ( t-- ) { + tmp = rtypenamespace.exec( types[ t ] ) || []; + type = origType = tmp[ 1 ]; + namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort(); + + // Unbind all events (on this namespace, if provided) for the element + if ( !type ) { + for ( type in events ) { + jQuery.event.remove( elem, type + types[ t ], handler, selector, true ); + } + continue; + } + + special = jQuery.event.special[ type ] || {}; + type = ( selector ? special.delegateType : special.bindType ) || type; + handlers = events[ type ] || []; + tmp = tmp[ 2 ] && + new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ); + + // Remove matching events + origCount = j = handlers.length; + while ( j-- ) { + handleObj = handlers[ j ]; + + if ( ( mappedTypes || origType === handleObj.origType ) && + ( !handler || handler.guid === handleObj.guid ) && + ( !tmp || tmp.test( handleObj.namespace ) ) && + ( !selector || selector === handleObj.selector || + selector === "**" && handleObj.selector ) ) { + handlers.splice( j, 1 ); + + if ( handleObj.selector ) { + handlers.delegateCount--; + } + if ( special.remove ) { + special.remove.call( elem, handleObj ); + } + } + } + + // Remove generic event handler if we removed something and no more handlers exist + // (avoids potential for endless recursion during removal of special event handlers) + if ( origCount && !handlers.length ) { + if ( !special.teardown || + special.teardown.call( elem, namespaces, elemData.handle ) === false ) { + + jQuery.removeEvent( elem, type, elemData.handle ); + } + + delete events[ type ]; + } + } + + // Remove data and the expando if it's no longer used + if ( jQuery.isEmptyObject( events ) ) { + dataPriv.remove( elem, "handle events" ); + } + }, + + dispatch: function( nativeEvent ) { + + var i, j, ret, matched, handleObj, handlerQueue, + args = new Array( arguments.length ), + + // Make a writable jQuery.Event from the native event object + event = jQuery.event.fix( nativeEvent ), + + handlers = ( + dataPriv.get( this, "events" ) || Object.create( null ) + )[ event.type ] || [], + special = jQuery.event.special[ event.type ] || {}; + + // Use the fix-ed jQuery.Event rather than the (read-only) native event + args[ 0 ] = event; + + for ( i = 1; i < arguments.length; i++ ) { + args[ i ] = arguments[ i ]; + } + + event.delegateTarget = this; + + // Call the preDispatch hook for the mapped type, and let it bail if desired + if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) { + return; + } + + // Determine handlers + handlerQueue = jQuery.event.handlers.call( this, event, handlers ); + + // Run delegates first; they may want to stop propagation beneath us + i = 0; + while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) { + event.currentTarget = matched.elem; + + j = 0; + while ( ( handleObj = matched.handlers[ j++ ] ) && + !event.isImmediatePropagationStopped() ) { + + // If the event is namespaced, then each handler is only invoked if it is + // specially universal or its namespaces are a superset of the event's. + if ( !event.rnamespace || handleObj.namespace === false || + event.rnamespace.test( handleObj.namespace ) ) { + + event.handleObj = handleObj; + event.data = handleObj.data; + + ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle || + handleObj.handler ).apply( matched.elem, args ); + + if ( ret !== undefined ) { + if ( ( event.result = ret ) === false ) { + event.preventDefault(); + event.stopPropagation(); + } + } + } + } + } + + // Call the postDispatch hook for the mapped type + if ( special.postDispatch ) { + special.postDispatch.call( this, event ); + } + + return event.result; + }, + + handlers: function( event, handlers ) { + var i, handleObj, sel, matchedHandlers, matchedSelectors, + handlerQueue = [], + delegateCount = handlers.delegateCount, + cur = event.target; + + // Find delegate handlers + if ( delegateCount && + + // Support: IE <=9 + // Black-hole SVG instance trees (trac-13180) + cur.nodeType && + + // Support: Firefox <=42 + // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861) + // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click + // Support: IE 11 only + // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343) + !( event.type === "click" && event.button >= 1 ) ) { + + for ( ; cur !== this; cur = cur.parentNode || this ) { + + // Don't check non-elements (trac-13208) + // Don't process clicks on disabled elements (trac-6911, trac-8165, trac-11382, trac-11764) + if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) { + matchedHandlers = []; + matchedSelectors = {}; + for ( i = 0; i < delegateCount; i++ ) { + handleObj = handlers[ i ]; + + // Don't conflict with Object.prototype properties (trac-13203) + sel = handleObj.selector + " "; + + if ( matchedSelectors[ sel ] === undefined ) { + matchedSelectors[ sel ] = handleObj.needsContext ? + jQuery( sel, this ).index( cur ) > -1 : + jQuery.find( sel, this, null, [ cur ] ).length; + } + if ( matchedSelectors[ sel ] ) { + matchedHandlers.push( handleObj ); + } + } + if ( matchedHandlers.length ) { + handlerQueue.push( { elem: cur, handlers: matchedHandlers } ); + } + } + } + } + + // Add the remaining (directly-bound) handlers + cur = this; + if ( delegateCount < handlers.length ) { + handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } ); + } + + return handlerQueue; + }, + + addProp: function( name, hook ) { + Object.defineProperty( jQuery.Event.prototype, name, { + enumerable: true, + configurable: true, + + get: isFunction( hook ) ? + function() { + if ( this.originalEvent ) { + return hook( this.originalEvent ); + } + } : + function() { + if ( this.originalEvent ) { + return this.originalEvent[ name ]; + } + }, + + set: function( value ) { + Object.defineProperty( this, name, { + enumerable: true, + configurable: true, + writable: true, + value: value + } ); + } + } ); + }, + + fix: function( originalEvent ) { + return originalEvent[ jQuery.expando ] ? + originalEvent : + new jQuery.Event( originalEvent ); + }, + + special: { + load: { + + // Prevent triggered image.load events from bubbling to window.load + noBubble: true + }, + click: { + + // Utilize native event to ensure correct state for checkable inputs + setup: function( data ) { + + // For mutual compressibility with _default, replace `this` access with a local var. + // `|| data` is dead code meant only to preserve the variable through minification. + var el = this || data; + + // Claim the first handler + if ( rcheckableType.test( el.type ) && + el.click && nodeName( el, "input" ) ) { + + // dataPriv.set( el, "click", ... ) + leverageNative( el, "click", true ); + } + + // Return false to allow normal processing in the caller + return false; + }, + trigger: function( data ) { + + // For mutual compressibility with _default, replace `this` access with a local var. + // `|| data` is dead code meant only to preserve the variable through minification. + var el = this || data; + + // Force setup before triggering a click + if ( rcheckableType.test( el.type ) && + el.click && nodeName( el, "input" ) ) { + + leverageNative( el, "click" ); + } + + // Return non-false to allow normal event-path propagation + return true; + }, + + // For cross-browser consistency, suppress native .click() on links + // Also prevent it if we're currently inside a leveraged native-event stack + _default: function( event ) { + var target = event.target; + return rcheckableType.test( target.type ) && + target.click && nodeName( target, "input" ) && + dataPriv.get( target, "click" ) || + nodeName( target, "a" ); + } + }, + + beforeunload: { + postDispatch: function( event ) { + + // Support: Firefox 20+ + // Firefox doesn't alert if the returnValue field is not set. + if ( event.result !== undefined && event.originalEvent ) { + event.originalEvent.returnValue = event.result; + } + } + } + } +}; + +// Ensure the presence of an event listener that handles manually-triggered +// synthetic events by interrupting progress until reinvoked in response to +// *native* events that it fires directly, ensuring that state changes have +// already occurred before other listeners are invoked. +function leverageNative( el, type, isSetup ) { + + // Missing `isSetup` indicates a trigger call, which must force setup through jQuery.event.add + if ( !isSetup ) { + if ( dataPriv.get( el, type ) === undefined ) { + jQuery.event.add( el, type, returnTrue ); + } + return; + } + + // Register the controller as a special universal handler for all event namespaces + dataPriv.set( el, type, false ); + jQuery.event.add( el, type, { + namespace: false, + handler: function( event ) { + var result, + saved = dataPriv.get( this, type ); + + if ( ( event.isTrigger & 1 ) && this[ type ] ) { + + // Interrupt processing of the outer synthetic .trigger()ed event + if ( !saved ) { + + // Store arguments for use when handling the inner native event + // There will always be at least one argument (an event object), so this array + // will not be confused with a leftover capture object. + saved = slice.call( arguments ); + dataPriv.set( this, type, saved ); + + // Trigger the native event and capture its result + this[ type ](); + result = dataPriv.get( this, type ); + dataPriv.set( this, type, false ); + + if ( saved !== result ) { + + // Cancel the outer synthetic event + event.stopImmediatePropagation(); + event.preventDefault(); + + return result; + } + + // If this is an inner synthetic event for an event with a bubbling surrogate + // (focus or blur), assume that the surrogate already propagated from triggering + // the native event and prevent that from happening again here. + // This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the + // bubbling surrogate propagates *after* the non-bubbling base), but that seems + // less bad than duplication. + } else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) { + event.stopPropagation(); + } + + // If this is a native event triggered above, everything is now in order + // Fire an inner synthetic event with the original arguments + } else if ( saved ) { + + // ...and capture the result + dataPriv.set( this, type, jQuery.event.trigger( + saved[ 0 ], + saved.slice( 1 ), + this + ) ); + + // Abort handling of the native event by all jQuery handlers while allowing + // native handlers on the same element to run. On target, this is achieved + // by stopping immediate propagation just on the jQuery event. However, + // the native event is re-wrapped by a jQuery one on each level of the + // propagation so the only way to stop it for jQuery is to stop it for + // everyone via native `stopPropagation()`. This is not a problem for + // focus/blur which don't bubble, but it does also stop click on checkboxes + // and radios. We accept this limitation. + event.stopPropagation(); + event.isImmediatePropagationStopped = returnTrue; + } + } + } ); +} + +jQuery.removeEvent = function( elem, type, handle ) { + + // This "if" is needed for plain objects + if ( elem.removeEventListener ) { + elem.removeEventListener( type, handle ); + } +}; + +jQuery.Event = function( src, props ) { + + // Allow instantiation without the 'new' keyword + if ( !( this instanceof jQuery.Event ) ) { + return new jQuery.Event( src, props ); + } + + // Event object + if ( src && src.type ) { + this.originalEvent = src; + this.type = src.type; + + // Events bubbling up the document may have been marked as prevented + // by a handler lower down the tree; reflect the correct value. + this.isDefaultPrevented = src.defaultPrevented || + src.defaultPrevented === undefined && + + // Support: Android <=2.3 only + src.returnValue === false ? + returnTrue : + returnFalse; + + // Create target properties + // Support: Safari <=6 - 7 only + // Target should not be a text node (trac-504, trac-13143) + this.target = ( src.target && src.target.nodeType === 3 ) ? + src.target.parentNode : + src.target; + + this.currentTarget = src.currentTarget; + this.relatedTarget = src.relatedTarget; + + // Event type + } else { + this.type = src; + } + + // Put explicitly provided properties onto the event object + if ( props ) { + jQuery.extend( this, props ); + } + + // Create a timestamp if incoming event doesn't have one + this.timeStamp = src && src.timeStamp || Date.now(); + + // Mark it as fixed + this[ jQuery.expando ] = true; +}; + +// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding +// https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html +jQuery.Event.prototype = { + constructor: jQuery.Event, + isDefaultPrevented: returnFalse, + isPropagationStopped: returnFalse, + isImmediatePropagationStopped: returnFalse, + isSimulated: false, + + preventDefault: function() { + var e = this.originalEvent; + + this.isDefaultPrevented = returnTrue; + + if ( e && !this.isSimulated ) { + e.preventDefault(); + } + }, + stopPropagation: function() { + var e = this.originalEvent; + + this.isPropagationStopped = returnTrue; + + if ( e && !this.isSimulated ) { + e.stopPropagation(); + } + }, + stopImmediatePropagation: function() { + var e = this.originalEvent; + + this.isImmediatePropagationStopped = returnTrue; + + if ( e && !this.isSimulated ) { + e.stopImmediatePropagation(); + } + + this.stopPropagation(); + } +}; + +// Includes all common event props including KeyEvent and MouseEvent specific props +jQuery.each( { + altKey: true, + bubbles: true, + cancelable: true, + changedTouches: true, + ctrlKey: true, + detail: true, + eventPhase: true, + metaKey: true, + pageX: true, + pageY: true, + shiftKey: true, + view: true, + "char": true, + code: true, + charCode: true, + key: true, + keyCode: true, + button: true, + buttons: true, + clientX: true, + clientY: true, + offsetX: true, + offsetY: true, + pointerId: true, + pointerType: true, + screenX: true, + screenY: true, + targetTouches: true, + toElement: true, + touches: true, + which: true +}, jQuery.event.addProp ); + +jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) { + + function focusMappedHandler( nativeEvent ) { + if ( document.documentMode ) { + + // Support: IE 11+ + // Attach a single focusin/focusout handler on the document while someone wants + // focus/blur. This is because the former are synchronous in IE while the latter + // are async. In other browsers, all those handlers are invoked synchronously. + + // `handle` from private data would already wrap the event, but we need + // to change the `type` here. + var handle = dataPriv.get( this, "handle" ), + event = jQuery.event.fix( nativeEvent ); + event.type = nativeEvent.type === "focusin" ? "focus" : "blur"; + event.isSimulated = true; + + // First, handle focusin/focusout + handle( nativeEvent ); + + // ...then, handle focus/blur + // + // focus/blur don't bubble while focusin/focusout do; simulate the former by only + // invoking the handler at the lower level. + if ( event.target === event.currentTarget ) { + + // The setup part calls `leverageNative`, which, in turn, calls + // `jQuery.event.add`, so event handle will already have been set + // by this point. + handle( event ); + } + } else { + + // For non-IE browsers, attach a single capturing handler on the document + // while someone wants focusin/focusout. + jQuery.event.simulate( delegateType, nativeEvent.target, + jQuery.event.fix( nativeEvent ) ); + } + } + + jQuery.event.special[ type ] = { + + // Utilize native event if possible so blur/focus sequence is correct + setup: function() { + + var attaches; + + // Claim the first handler + // dataPriv.set( this, "focus", ... ) + // dataPriv.set( this, "blur", ... ) + leverageNative( this, type, true ); + + if ( document.documentMode ) { + + // Support: IE 9 - 11+ + // We use the same native handler for focusin & focus (and focusout & blur) + // so we need to coordinate setup & teardown parts between those events. + // Use `delegateType` as the key as `type` is already used by `leverageNative`. + attaches = dataPriv.get( this, delegateType ); + if ( !attaches ) { + this.addEventListener( delegateType, focusMappedHandler ); + } + dataPriv.set( this, delegateType, ( attaches || 0 ) + 1 ); + } else { + + // Return false to allow normal processing in the caller + return false; + } + }, + trigger: function() { + + // Force setup before trigger + leverageNative( this, type ); + + // Return non-false to allow normal event-path propagation + return true; + }, + + teardown: function() { + var attaches; + + if ( document.documentMode ) { + attaches = dataPriv.get( this, delegateType ) - 1; + if ( !attaches ) { + this.removeEventListener( delegateType, focusMappedHandler ); + dataPriv.remove( this, delegateType ); + } else { + dataPriv.set( this, delegateType, attaches ); + } + } else { + + // Return false to indicate standard teardown should be applied + return false; + } + }, + + // Suppress native focus or blur if we're currently inside + // a leveraged native-event stack + _default: function( event ) { + return dataPriv.get( event.target, type ); + }, + + delegateType: delegateType + }; + + // Support: Firefox <=44 + // Firefox doesn't have focus(in | out) events + // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787 + // + // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1 + // focus(in | out) events fire after focus & blur events, + // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order + // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857 + // + // Support: IE 9 - 11+ + // To preserve relative focusin/focus & focusout/blur event order guaranteed on the 3.x branch, + // attach a single handler for both events in IE. + jQuery.event.special[ delegateType ] = { + setup: function() { + + // Handle: regular nodes (via `this.ownerDocument`), window + // (via `this.document`) & document (via `this`). + var doc = this.ownerDocument || this.document || this, + dataHolder = document.documentMode ? this : doc, + attaches = dataPriv.get( dataHolder, delegateType ); + + // Support: IE 9 - 11+ + // We use the same native handler for focusin & focus (and focusout & blur) + // so we need to coordinate setup & teardown parts between those events. + // Use `delegateType` as the key as `type` is already used by `leverageNative`. + if ( !attaches ) { + if ( document.documentMode ) { + this.addEventListener( delegateType, focusMappedHandler ); + } else { + doc.addEventListener( type, focusMappedHandler, true ); + } + } + dataPriv.set( dataHolder, delegateType, ( attaches || 0 ) + 1 ); + }, + teardown: function() { + var doc = this.ownerDocument || this.document || this, + dataHolder = document.documentMode ? this : doc, + attaches = dataPriv.get( dataHolder, delegateType ) - 1; + + if ( !attaches ) { + if ( document.documentMode ) { + this.removeEventListener( delegateType, focusMappedHandler ); + } else { + doc.removeEventListener( type, focusMappedHandler, true ); + } + dataPriv.remove( dataHolder, delegateType ); + } else { + dataPriv.set( dataHolder, delegateType, attaches ); + } + } + }; +} ); + +// Create mouseenter/leave events using mouseover/out and event-time checks +// so that event delegation works in jQuery. +// Do the same for pointerenter/pointerleave and pointerover/pointerout +// +// Support: Safari 7 only +// Safari sends mouseenter too often; see: +// https://bugs.chromium.org/p/chromium/issues/detail?id=470258 +// for the description of the bug (it existed in older Chrome versions as well). +jQuery.each( { + mouseenter: "mouseover", + mouseleave: "mouseout", + pointerenter: "pointerover", + pointerleave: "pointerout" +}, function( orig, fix ) { + jQuery.event.special[ orig ] = { + delegateType: fix, + bindType: fix, + + handle: function( event ) { + var ret, + target = this, + related = event.relatedTarget, + handleObj = event.handleObj; + + // For mouseenter/leave call the handler if related is outside the target. + // NB: No relatedTarget if the mouse left/entered the browser window + if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) { + event.type = handleObj.origType; + ret = handleObj.handler.apply( this, arguments ); + event.type = fix; + } + return ret; + } + }; +} ); + +jQuery.fn.extend( { + + on: function( types, selector, data, fn ) { + return on( this, types, selector, data, fn ); + }, + one: function( types, selector, data, fn ) { + return on( this, types, selector, data, fn, 1 ); + }, + off: function( types, selector, fn ) { + var handleObj, type; + if ( types && types.preventDefault && types.handleObj ) { + + // ( event ) dispatched jQuery.Event + handleObj = types.handleObj; + jQuery( types.delegateTarget ).off( + handleObj.namespace ? + handleObj.origType + "." + handleObj.namespace : + handleObj.origType, + handleObj.selector, + handleObj.handler + ); + return this; + } + if ( typeof types === "object" ) { + + // ( types-object [, selector] ) + for ( type in types ) { + this.off( type, selector, types[ type ] ); + } + return this; + } + if ( selector === false || typeof selector === "function" ) { + + // ( types [, fn] ) + fn = selector; + selector = undefined; + } + if ( fn === false ) { + fn = returnFalse; + } + return this.each( function() { + jQuery.event.remove( this, types, fn, selector ); + } ); + } +} ); + + +var + + // Support: IE <=10 - 11, Edge 12 - 13 only + // In IE/Edge using regex groups here causes severe slowdowns. + // See https://connect.microsoft.com/IE/feedback/details/1736512/ + rnoInnerhtml = /\s*$/g; + +// Prefer a tbody over its parent table for containing new rows +function manipulationTarget( elem, content ) { + if ( nodeName( elem, "table" ) && + nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) { + + return jQuery( elem ).children( "tbody" )[ 0 ] || elem; + } + + return elem; +} + +// Replace/restore the type attribute of script elements for safe DOM manipulation +function disableScript( elem ) { + elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type; + return elem; +} +function restoreScript( elem ) { + if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) { + elem.type = elem.type.slice( 5 ); + } else { + elem.removeAttribute( "type" ); + } + + return elem; +} + +function cloneCopyEvent( src, dest ) { + var i, l, type, pdataOld, udataOld, udataCur, events; + + if ( dest.nodeType !== 1 ) { + return; + } + + // 1. Copy private data: events, handlers, etc. + if ( dataPriv.hasData( src ) ) { + pdataOld = dataPriv.get( src ); + events = pdataOld.events; + + if ( events ) { + dataPriv.remove( dest, "handle events" ); + + for ( type in events ) { + for ( i = 0, l = events[ type ].length; i < l; i++ ) { + jQuery.event.add( dest, type, events[ type ][ i ] ); + } + } + } + } + + // 2. Copy user data + if ( dataUser.hasData( src ) ) { + udataOld = dataUser.access( src ); + udataCur = jQuery.extend( {}, udataOld ); + + dataUser.set( dest, udataCur ); + } +} + +// Fix IE bugs, see support tests +function fixInput( src, dest ) { + var nodeName = dest.nodeName.toLowerCase(); + + // Fails to persist the checked state of a cloned checkbox or radio button. + if ( nodeName === "input" && rcheckableType.test( src.type ) ) { + dest.checked = src.checked; + + // Fails to return the selected option to the default selected state when cloning options + } else if ( nodeName === "input" || nodeName === "textarea" ) { + dest.defaultValue = src.defaultValue; + } +} + +function domManip( collection, args, callback, ignored ) { + + // Flatten any nested arrays + args = flat( args ); + + var fragment, first, scripts, hasScripts, node, doc, + i = 0, + l = collection.length, + iNoClone = l - 1, + value = args[ 0 ], + valueIsFunction = isFunction( value ); + + // We can't cloneNode fragments that contain checked, in WebKit + if ( valueIsFunction || + ( l > 1 && typeof value === "string" && + !support.checkClone && rchecked.test( value ) ) ) { + return collection.each( function( index ) { + var self = collection.eq( index ); + if ( valueIsFunction ) { + args[ 0 ] = value.call( this, index, self.html() ); + } + domManip( self, args, callback, ignored ); + } ); + } + + if ( l ) { + fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored ); + first = fragment.firstChild; + + if ( fragment.childNodes.length === 1 ) { + fragment = first; + } + + // Require either new content or an interest in ignored elements to invoke the callback + if ( first || ignored ) { + scripts = jQuery.map( getAll( fragment, "script" ), disableScript ); + hasScripts = scripts.length; + + // Use the original fragment for the last item + // instead of the first because it can end up + // being emptied incorrectly in certain situations (trac-8070). + for ( ; i < l; i++ ) { + node = fragment; + + if ( i !== iNoClone ) { + node = jQuery.clone( node, true, true ); + + // Keep references to cloned scripts for later restoration + if ( hasScripts ) { + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + jQuery.merge( scripts, getAll( node, "script" ) ); + } + } + + callback.call( collection[ i ], node, i ); + } + + if ( hasScripts ) { + doc = scripts[ scripts.length - 1 ].ownerDocument; + + // Re-enable scripts + jQuery.map( scripts, restoreScript ); + + // Evaluate executable scripts on first document insertion + for ( i = 0; i < hasScripts; i++ ) { + node = scripts[ i ]; + if ( rscriptType.test( node.type || "" ) && + !dataPriv.access( node, "globalEval" ) && + jQuery.contains( doc, node ) ) { + + if ( node.src && ( node.type || "" ).toLowerCase() !== "module" ) { + + // Optional AJAX dependency, but won't run scripts if not present + if ( jQuery._evalUrl && !node.noModule ) { + jQuery._evalUrl( node.src, { + nonce: node.nonce || node.getAttribute( "nonce" ) + }, doc ); + } + } else { + + // Unwrap a CDATA section containing script contents. This shouldn't be + // needed as in XML documents they're already not visible when + // inspecting element contents and in HTML documents they have no + // meaning but we're preserving that logic for backwards compatibility. + // This will be removed completely in 4.0. See gh-4904. + DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc ); + } + } + } + } + } + } + + return collection; +} + +function remove( elem, selector, keepData ) { + var node, + nodes = selector ? jQuery.filter( selector, elem ) : elem, + i = 0; + + for ( ; ( node = nodes[ i ] ) != null; i++ ) { + if ( !keepData && node.nodeType === 1 ) { + jQuery.cleanData( getAll( node ) ); + } + + if ( node.parentNode ) { + if ( keepData && isAttached( node ) ) { + setGlobalEval( getAll( node, "script" ) ); + } + node.parentNode.removeChild( node ); + } + } + + return elem; +} + +jQuery.extend( { + htmlPrefilter: function( html ) { + return html; + }, + + clone: function( elem, dataAndEvents, deepDataAndEvents ) { + var i, l, srcElements, destElements, + clone = elem.cloneNode( true ), + inPage = isAttached( elem ); + + // Fix IE cloning issues + if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) && + !jQuery.isXMLDoc( elem ) ) { + + // We eschew jQuery#find here for performance reasons: + // https://jsperf.com/getall-vs-sizzle/2 + destElements = getAll( clone ); + srcElements = getAll( elem ); + + for ( i = 0, l = srcElements.length; i < l; i++ ) { + fixInput( srcElements[ i ], destElements[ i ] ); + } + } + + // Copy the events from the original to the clone + if ( dataAndEvents ) { + if ( deepDataAndEvents ) { + srcElements = srcElements || getAll( elem ); + destElements = destElements || getAll( clone ); + + for ( i = 0, l = srcElements.length; i < l; i++ ) { + cloneCopyEvent( srcElements[ i ], destElements[ i ] ); + } + } else { + cloneCopyEvent( elem, clone ); + } + } + + // Preserve script evaluation history + destElements = getAll( clone, "script" ); + if ( destElements.length > 0 ) { + setGlobalEval( destElements, !inPage && getAll( elem, "script" ) ); + } + + // Return the cloned set + return clone; + }, + + cleanData: function( elems ) { + var data, elem, type, + special = jQuery.event.special, + i = 0; + + for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) { + if ( acceptData( elem ) ) { + if ( ( data = elem[ dataPriv.expando ] ) ) { + if ( data.events ) { + for ( type in data.events ) { + if ( special[ type ] ) { + jQuery.event.remove( elem, type ); + + // This is a shortcut to avoid jQuery.event.remove's overhead + } else { + jQuery.removeEvent( elem, type, data.handle ); + } + } + } + + // Support: Chrome <=35 - 45+ + // Assign undefined instead of using delete, see Data#remove + elem[ dataPriv.expando ] = undefined; + } + if ( elem[ dataUser.expando ] ) { + + // Support: Chrome <=35 - 45+ + // Assign undefined instead of using delete, see Data#remove + elem[ dataUser.expando ] = undefined; + } + } + } + } +} ); + +jQuery.fn.extend( { + detach: function( selector ) { + return remove( this, selector, true ); + }, + + remove: function( selector ) { + return remove( this, selector ); + }, + + text: function( value ) { + return access( this, function( value ) { + return value === undefined ? + jQuery.text( this ) : + this.empty().each( function() { + if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { + this.textContent = value; + } + } ); + }, null, value, arguments.length ); + }, + + append: function() { + return domManip( this, arguments, function( elem ) { + if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { + var target = manipulationTarget( this, elem ); + target.appendChild( elem ); + } + } ); + }, + + prepend: function() { + return domManip( this, arguments, function( elem ) { + if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { + var target = manipulationTarget( this, elem ); + target.insertBefore( elem, target.firstChild ); + } + } ); + }, + + before: function() { + return domManip( this, arguments, function( elem ) { + if ( this.parentNode ) { + this.parentNode.insertBefore( elem, this ); + } + } ); + }, + + after: function() { + return domManip( this, arguments, function( elem ) { + if ( this.parentNode ) { + this.parentNode.insertBefore( elem, this.nextSibling ); + } + } ); + }, + + empty: function() { + var elem, + i = 0; + + for ( ; ( elem = this[ i ] ) != null; i++ ) { + if ( elem.nodeType === 1 ) { + + // Prevent memory leaks + jQuery.cleanData( getAll( elem, false ) ); + + // Remove any remaining nodes + elem.textContent = ""; + } + } + + return this; + }, + + clone: function( dataAndEvents, deepDataAndEvents ) { + dataAndEvents = dataAndEvents == null ? false : dataAndEvents; + deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents; + + return this.map( function() { + return jQuery.clone( this, dataAndEvents, deepDataAndEvents ); + } ); + }, + + html: function( value ) { + return access( this, function( value ) { + var elem = this[ 0 ] || {}, + i = 0, + l = this.length; + + if ( value === undefined && elem.nodeType === 1 ) { + return elem.innerHTML; + } + + // See if we can take a shortcut and just use innerHTML + if ( typeof value === "string" && !rnoInnerhtml.test( value ) && + !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) { + + value = jQuery.htmlPrefilter( value ); + + try { + for ( ; i < l; i++ ) { + elem = this[ i ] || {}; + + // Remove element nodes and prevent memory leaks + if ( elem.nodeType === 1 ) { + jQuery.cleanData( getAll( elem, false ) ); + elem.innerHTML = value; + } + } + + elem = 0; + + // If using innerHTML throws an exception, use the fallback method + } catch ( e ) {} + } + + if ( elem ) { + this.empty().append( value ); + } + }, null, value, arguments.length ); + }, + + replaceWith: function() { + var ignored = []; + + // Make the changes, replacing each non-ignored context element with the new content + return domManip( this, arguments, function( elem ) { + var parent = this.parentNode; + + if ( jQuery.inArray( this, ignored ) < 0 ) { + jQuery.cleanData( getAll( this ) ); + if ( parent ) { + parent.replaceChild( elem, this ); + } + } + + // Force callback invocation + }, ignored ); + } +} ); + +jQuery.each( { + appendTo: "append", + prependTo: "prepend", + insertBefore: "before", + insertAfter: "after", + replaceAll: "replaceWith" +}, function( name, original ) { + jQuery.fn[ name ] = function( selector ) { + var elems, + ret = [], + insert = jQuery( selector ), + last = insert.length - 1, + i = 0; + + for ( ; i <= last; i++ ) { + elems = i === last ? this : this.clone( true ); + jQuery( insert[ i ] )[ original ]( elems ); + + // Support: Android <=4.0 only, PhantomJS 1 only + // .get() because push.apply(_, arraylike) throws on ancient WebKit + push.apply( ret, elems.get() ); + } + + return this.pushStack( ret ); + }; +} ); +var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" ); + +var rcustomProp = /^--/; + + +var getStyles = function( elem ) { + + // Support: IE <=11 only, Firefox <=30 (trac-15098, trac-14150) + // IE throws on elements created in popups + // FF meanwhile throws on frame elements through "defaultView.getComputedStyle" + var view = elem.ownerDocument.defaultView; + + if ( !view || !view.opener ) { + view = window; + } + + return view.getComputedStyle( elem ); + }; + +var swap = function( elem, options, callback ) { + var ret, name, + old = {}; + + // Remember the old values, and insert the new ones + for ( name in options ) { + old[ name ] = elem.style[ name ]; + elem.style[ name ] = options[ name ]; + } + + ret = callback.call( elem ); + + // Revert the old values + for ( name in options ) { + elem.style[ name ] = old[ name ]; + } + + return ret; +}; + + +var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" ); + + + +( function() { + + // Executing both pixelPosition & boxSizingReliable tests require only one layout + // so they're executed at the same time to save the second computation. + function computeStyleTests() { + + // This is a singleton, we need to execute it only once + if ( !div ) { + return; + } + + container.style.cssText = "position:absolute;left:-11111px;width:60px;" + + "margin-top:1px;padding:0;border:0"; + div.style.cssText = + "position:relative;display:block;box-sizing:border-box;overflow:scroll;" + + "margin:auto;border:1px;padding:1px;" + + "width:60%;top:1%"; + documentElement.appendChild( container ).appendChild( div ); + + var divStyle = window.getComputedStyle( div ); + pixelPositionVal = divStyle.top !== "1%"; + + // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44 + reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12; + + // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3 + // Some styles come back with percentage values, even though they shouldn't + div.style.right = "60%"; + pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36; + + // Support: IE 9 - 11 only + // Detect misreporting of content dimensions for box-sizing:border-box elements + boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36; + + // Support: IE 9 only + // Detect overflow:scroll screwiness (gh-3699) + // Support: Chrome <=64 + // Don't get tricked when zoom affects offsetWidth (gh-4029) + div.style.position = "absolute"; + scrollboxSizeVal = roundPixelMeasures( div.offsetWidth / 3 ) === 12; + + documentElement.removeChild( container ); + + // Nullify the div so it wouldn't be stored in the memory and + // it will also be a sign that checks already performed + div = null; + } + + function roundPixelMeasures( measure ) { + return Math.round( parseFloat( measure ) ); + } + + var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal, + reliableTrDimensionsVal, reliableMarginLeftVal, + container = document.createElement( "div" ), + div = document.createElement( "div" ); + + // Finish early in limited (non-browser) environments + if ( !div.style ) { + return; + } + + // Support: IE <=9 - 11 only + // Style of cloned element affects source element cloned (trac-8908) + div.style.backgroundClip = "content-box"; + div.cloneNode( true ).style.backgroundClip = ""; + support.clearCloneStyle = div.style.backgroundClip === "content-box"; + + jQuery.extend( support, { + boxSizingReliable: function() { + computeStyleTests(); + return boxSizingReliableVal; + }, + pixelBoxStyles: function() { + computeStyleTests(); + return pixelBoxStylesVal; + }, + pixelPosition: function() { + computeStyleTests(); + return pixelPositionVal; + }, + reliableMarginLeft: function() { + computeStyleTests(); + return reliableMarginLeftVal; + }, + scrollboxSize: function() { + computeStyleTests(); + return scrollboxSizeVal; + }, + + // Support: IE 9 - 11+, Edge 15 - 18+ + // IE/Edge misreport `getComputedStyle` of table rows with width/height + // set in CSS while `offset*` properties report correct values. + // Behavior in IE 9 is more subtle than in newer versions & it passes + // some versions of this test; make sure not to make it pass there! + // + // Support: Firefox 70+ + // Only Firefox includes border widths + // in computed dimensions. (gh-4529) + reliableTrDimensions: function() { + var table, tr, trChild, trStyle; + if ( reliableTrDimensionsVal == null ) { + table = document.createElement( "table" ); + tr = document.createElement( "tr" ); + trChild = document.createElement( "div" ); + + table.style.cssText = "position:absolute;left:-11111px;border-collapse:separate"; + tr.style.cssText = "box-sizing:content-box;border:1px solid"; + + // Support: Chrome 86+ + // Height set through cssText does not get applied. + // Computed height then comes back as 0. + tr.style.height = "1px"; + trChild.style.height = "9px"; + + // Support: Android 8 Chrome 86+ + // In our bodyBackground.html iframe, + // display for all div elements is set to "inline", + // which causes a problem only in Android 8 Chrome 86. + // Ensuring the div is `display: block` + // gets around this issue. + trChild.style.display = "block"; + + documentElement + .appendChild( table ) + .appendChild( tr ) + .appendChild( trChild ); + + trStyle = window.getComputedStyle( tr ); + reliableTrDimensionsVal = ( parseInt( trStyle.height, 10 ) + + parseInt( trStyle.borderTopWidth, 10 ) + + parseInt( trStyle.borderBottomWidth, 10 ) ) === tr.offsetHeight; + + documentElement.removeChild( table ); + } + return reliableTrDimensionsVal; + } + } ); +} )(); + + +function curCSS( elem, name, computed ) { + var width, minWidth, maxWidth, ret, + isCustomProp = rcustomProp.test( name ), + + // Support: Firefox 51+ + // Retrieving style before computed somehow + // fixes an issue with getting wrong values + // on detached elements + style = elem.style; + + computed = computed || getStyles( elem ); + + // getPropertyValue is needed for: + // .css('filter') (IE 9 only, trac-12537) + // .css('--customProperty) (gh-3144) + if ( computed ) { + + // Support: IE <=9 - 11+ + // IE only supports `"float"` in `getPropertyValue`; in computed styles + // it's only available as `"cssFloat"`. We no longer modify properties + // sent to `.css()` apart from camelCasing, so we need to check both. + // Normally, this would create difference in behavior: if + // `getPropertyValue` returns an empty string, the value returned + // by `.css()` would be `undefined`. This is usually the case for + // disconnected elements. However, in IE even disconnected elements + // with no styles return `"none"` for `getPropertyValue( "float" )` + ret = computed.getPropertyValue( name ) || computed[ name ]; + + if ( isCustomProp && ret ) { + + // Support: Firefox 105+, Chrome <=105+ + // Spec requires trimming whitespace for custom properties (gh-4926). + // Firefox only trims leading whitespace. Chrome just collapses + // both leading & trailing whitespace to a single space. + // + // Fall back to `undefined` if empty string returned. + // This collapses a missing definition with property defined + // and set to an empty string but there's no standard API + // allowing us to differentiate them without a performance penalty + // and returning `undefined` aligns with older jQuery. + // + // rtrimCSS treats U+000D CARRIAGE RETURN and U+000C FORM FEED + // as whitespace while CSS does not, but this is not a problem + // because CSS preprocessing replaces them with U+000A LINE FEED + // (which *is* CSS whitespace) + // https://www.w3.org/TR/css-syntax-3/#input-preprocessing + ret = ret.replace( rtrimCSS, "$1" ) || undefined; + } + + if ( ret === "" && !isAttached( elem ) ) { + ret = jQuery.style( elem, name ); + } + + // A tribute to the "awesome hack by Dean Edwards" + // Android Browser returns percentage for some values, + // but width seems to be reliably pixels. + // This is against the CSSOM draft spec: + // https://drafts.csswg.org/cssom/#resolved-values + if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) { + + // Remember the original values + width = style.width; + minWidth = style.minWidth; + maxWidth = style.maxWidth; + + // Put in the new values to get a computed value out + style.minWidth = style.maxWidth = style.width = ret; + ret = computed.width; + + // Revert the changed values + style.width = width; + style.minWidth = minWidth; + style.maxWidth = maxWidth; + } + } + + return ret !== undefined ? + + // Support: IE <=9 - 11 only + // IE returns zIndex value as an integer. + ret + "" : + ret; +} + + +function addGetHookIf( conditionFn, hookFn ) { + + // Define the hook, we'll check on the first run if it's really needed. + return { + get: function() { + if ( conditionFn() ) { + + // Hook not needed (or it's not possible to use it due + // to missing dependency), remove it. + delete this.get; + return; + } + + // Hook needed; redefine it so that the support test is not executed again. + return ( this.get = hookFn ).apply( this, arguments ); + } + }; +} + + +var cssPrefixes = [ "Webkit", "Moz", "ms" ], + emptyStyle = document.createElement( "div" ).style, + vendorProps = {}; + +// Return a vendor-prefixed property or undefined +function vendorPropName( name ) { + + // Check for vendor prefixed names + var capName = name[ 0 ].toUpperCase() + name.slice( 1 ), + i = cssPrefixes.length; + + while ( i-- ) { + name = cssPrefixes[ i ] + capName; + if ( name in emptyStyle ) { + return name; + } + } +} + +// Return a potentially-mapped jQuery.cssProps or vendor prefixed property +function finalPropName( name ) { + var final = jQuery.cssProps[ name ] || vendorProps[ name ]; + + if ( final ) { + return final; + } + if ( name in emptyStyle ) { + return name; + } + return vendorProps[ name ] = vendorPropName( name ) || name; +} + + +var + + // Swappable if display is none or starts with table + // except "table", "table-cell", or "table-caption" + // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display + rdisplayswap = /^(none|table(?!-c[ea]).+)/, + cssShow = { position: "absolute", visibility: "hidden", display: "block" }, + cssNormalTransform = { + letterSpacing: "0", + fontWeight: "400" + }; + +function setPositiveNumber( _elem, value, subtract ) { + + // Any relative (+/-) values have already been + // normalized at this point + var matches = rcssNum.exec( value ); + return matches ? + + // Guard against undefined "subtract", e.g., when used as in cssHooks + Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) : + value; +} + +function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) { + var i = dimension === "width" ? 1 : 0, + extra = 0, + delta = 0, + marginDelta = 0; + + // Adjustment may not be necessary + if ( box === ( isBorderBox ? "border" : "content" ) ) { + return 0; + } + + for ( ; i < 4; i += 2 ) { + + // Both box models exclude margin + // Count margin delta separately to only add it after scroll gutter adjustment. + // This is needed to make negative margins work with `outerHeight( true )` (gh-3982). + if ( box === "margin" ) { + marginDelta += jQuery.css( elem, box + cssExpand[ i ], true, styles ); + } + + // If we get here with a content-box, we're seeking "padding" or "border" or "margin" + if ( !isBorderBox ) { + + // Add padding + delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); + + // For "border" or "margin", add border + if ( box !== "padding" ) { + delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); + + // But still keep track of it otherwise + } else { + extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); + } + + // If we get here with a border-box (content + padding + border), we're seeking "content" or + // "padding" or "margin" + } else { + + // For "content", subtract padding + if ( box === "content" ) { + delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); + } + + // For "content" or "padding", subtract border + if ( box !== "margin" ) { + delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); + } + } + } + + // Account for positive content-box scroll gutter when requested by providing computedVal + if ( !isBorderBox && computedVal >= 0 ) { + + // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border + // Assuming integer scroll gutter, subtract the rest and round down + delta += Math.max( 0, Math.ceil( + elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] - + computedVal - + delta - + extra - + 0.5 + + // If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter + // Use an explicit zero to avoid NaN (gh-3964) + ) ) || 0; + } + + return delta + marginDelta; +} + +function getWidthOrHeight( elem, dimension, extra ) { + + // Start with computed style + var styles = getStyles( elem ), + + // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322). + // Fake content-box until we know it's needed to know the true value. + boxSizingNeeded = !support.boxSizingReliable() || extra, + isBorderBox = boxSizingNeeded && + jQuery.css( elem, "boxSizing", false, styles ) === "border-box", + valueIsBorderBox = isBorderBox, + + val = curCSS( elem, dimension, styles ), + offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ); + + // Support: Firefox <=54 + // Return a confounding non-pixel value or feign ignorance, as appropriate. + if ( rnumnonpx.test( val ) ) { + if ( !extra ) { + return val; + } + val = "auto"; + } + + + // Support: IE 9 - 11 only + // Use offsetWidth/offsetHeight for when box sizing is unreliable. + // In those cases, the computed value can be trusted to be border-box. + if ( ( !support.boxSizingReliable() && isBorderBox || + + // Support: IE 10 - 11+, Edge 15 - 18+ + // IE/Edge misreport `getComputedStyle` of table rows with width/height + // set in CSS while `offset*` properties report correct values. + // Interestingly, in some cases IE 9 doesn't suffer from this issue. + !support.reliableTrDimensions() && nodeName( elem, "tr" ) || + + // Fall back to offsetWidth/offsetHeight when value is "auto" + // This happens for inline elements with no explicit setting (gh-3571) + val === "auto" || + + // Support: Android <=4.1 - 4.3 only + // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602) + !parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) && + + // Make sure the element is visible & connected + elem.getClientRects().length ) { + + isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box"; + + // Where available, offsetWidth/offsetHeight approximate border box dimensions. + // Where not available (e.g., SVG), assume unreliable box-sizing and interpret the + // retrieved value as a content box dimension. + valueIsBorderBox = offsetProp in elem; + if ( valueIsBorderBox ) { + val = elem[ offsetProp ]; + } + } + + // Normalize "" and auto + val = parseFloat( val ) || 0; + + // Adjust for the element's box model + return ( val + + boxModelAdjustment( + elem, + dimension, + extra || ( isBorderBox ? "border" : "content" ), + valueIsBorderBox, + styles, + + // Provide the current computed size to request scroll gutter calculation (gh-3589) + val + ) + ) + "px"; +} + +jQuery.extend( { + + // Add in style property hooks for overriding the default + // behavior of getting and setting a style property + cssHooks: { + opacity: { + get: function( elem, computed ) { + if ( computed ) { + + // We should always get a number back from opacity + var ret = curCSS( elem, "opacity" ); + return ret === "" ? "1" : ret; + } + } + } + }, + + // Don't automatically add "px" to these possibly-unitless properties + cssNumber: { + animationIterationCount: true, + aspectRatio: true, + borderImageSlice: true, + columnCount: true, + flexGrow: true, + flexShrink: true, + fontWeight: true, + gridArea: true, + gridColumn: true, + gridColumnEnd: true, + gridColumnStart: true, + gridRow: true, + gridRowEnd: true, + gridRowStart: true, + lineHeight: true, + opacity: true, + order: true, + orphans: true, + scale: true, + widows: true, + zIndex: true, + zoom: true, + + // SVG-related + fillOpacity: true, + floodOpacity: true, + stopOpacity: true, + strokeMiterlimit: true, + strokeOpacity: true + }, + + // Add in properties whose names you wish to fix before + // setting or getting the value + cssProps: {}, + + // Get and set the style property on a DOM Node + style: function( elem, name, value, extra ) { + + // Don't set styles on text and comment nodes + if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) { + return; + } + + // Make sure that we're working with the right name + var ret, type, hooks, + origName = camelCase( name ), + isCustomProp = rcustomProp.test( name ), + style = elem.style; + + // Make sure that we're working with the right name. We don't + // want to query the value if it is a CSS custom property + // since they are user-defined. + if ( !isCustomProp ) { + name = finalPropName( origName ); + } + + // Gets hook for the prefixed version, then unprefixed version + hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ]; + + // Check if we're setting a value + if ( value !== undefined ) { + type = typeof value; + + // Convert "+=" or "-=" to relative numbers (trac-7345) + if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) { + value = adjustCSS( elem, name, ret ); + + // Fixes bug trac-9237 + type = "number"; + } + + // Make sure that null and NaN values aren't set (trac-7116) + if ( value == null || value !== value ) { + return; + } + + // If a number was passed in, add the unit (except for certain CSS properties) + // The isCustomProp check can be removed in jQuery 4.0 when we only auto-append + // "px" to a few hardcoded values. + if ( type === "number" && !isCustomProp ) { + value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" ); + } + + // background-* props affect original clone's values + if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) { + style[ name ] = "inherit"; + } + + // If a hook was provided, use that value, otherwise just set the specified value + if ( !hooks || !( "set" in hooks ) || + ( value = hooks.set( elem, value, extra ) ) !== undefined ) { + + if ( isCustomProp ) { + style.setProperty( name, value ); + } else { + style[ name ] = value; + } + } + + } else { + + // If a hook was provided get the non-computed value from there + if ( hooks && "get" in hooks && + ( ret = hooks.get( elem, false, extra ) ) !== undefined ) { + + return ret; + } + + // Otherwise just get the value from the style object + return style[ name ]; + } + }, + + css: function( elem, name, extra, styles ) { + var val, num, hooks, + origName = camelCase( name ), + isCustomProp = rcustomProp.test( name ); + + // Make sure that we're working with the right name. We don't + // want to modify the value if it is a CSS custom property + // since they are user-defined. + if ( !isCustomProp ) { + name = finalPropName( origName ); + } + + // Try prefixed name followed by the unprefixed name + hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ]; + + // If a hook was provided get the computed value from there + if ( hooks && "get" in hooks ) { + val = hooks.get( elem, true, extra ); + } + + // Otherwise, if a way to get the computed value exists, use that + if ( val === undefined ) { + val = curCSS( elem, name, styles ); + } + + // Convert "normal" to computed value + if ( val === "normal" && name in cssNormalTransform ) { + val = cssNormalTransform[ name ]; + } + + // Make numeric if forced or a qualifier was provided and val looks numeric + if ( extra === "" || extra ) { + num = parseFloat( val ); + return extra === true || isFinite( num ) ? num || 0 : val; + } + + return val; + } +} ); + +jQuery.each( [ "height", "width" ], function( _i, dimension ) { + jQuery.cssHooks[ dimension ] = { + get: function( elem, computed, extra ) { + if ( computed ) { + + // Certain elements can have dimension info if we invisibly show them + // but it must have a current display style that would benefit + return rdisplayswap.test( jQuery.css( elem, "display" ) ) && + + // Support: Safari 8+ + // Table columns in Safari have non-zero offsetWidth & zero + // getBoundingClientRect().width unless display is changed. + // Support: IE <=11 only + // Running getBoundingClientRect on a disconnected node + // in IE throws an error. + ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ? + swap( elem, cssShow, function() { + return getWidthOrHeight( elem, dimension, extra ); + } ) : + getWidthOrHeight( elem, dimension, extra ); + } + }, + + set: function( elem, value, extra ) { + var matches, + styles = getStyles( elem ), + + // Only read styles.position if the test has a chance to fail + // to avoid forcing a reflow. + scrollboxSizeBuggy = !support.scrollboxSize() && + styles.position === "absolute", + + // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991) + boxSizingNeeded = scrollboxSizeBuggy || extra, + isBorderBox = boxSizingNeeded && + jQuery.css( elem, "boxSizing", false, styles ) === "border-box", + subtract = extra ? + boxModelAdjustment( + elem, + dimension, + extra, + isBorderBox, + styles + ) : + 0; + + // Account for unreliable border-box dimensions by comparing offset* to computed and + // faking a content-box to get border and padding (gh-3699) + if ( isBorderBox && scrollboxSizeBuggy ) { + subtract -= Math.ceil( + elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] - + parseFloat( styles[ dimension ] ) - + boxModelAdjustment( elem, dimension, "border", false, styles ) - + 0.5 + ); + } + + // Convert to pixels if value adjustment is needed + if ( subtract && ( matches = rcssNum.exec( value ) ) && + ( matches[ 3 ] || "px" ) !== "px" ) { + + elem.style[ dimension ] = value; + value = jQuery.css( elem, dimension ); + } + + return setPositiveNumber( elem, value, subtract ); + } + }; +} ); + +jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft, + function( elem, computed ) { + if ( computed ) { + return ( parseFloat( curCSS( elem, "marginLeft" ) ) || + elem.getBoundingClientRect().left - + swap( elem, { marginLeft: 0 }, function() { + return elem.getBoundingClientRect().left; + } ) + ) + "px"; + } + } +); + +// These hooks are used by animate to expand properties +jQuery.each( { + margin: "", + padding: "", + border: "Width" +}, function( prefix, suffix ) { + jQuery.cssHooks[ prefix + suffix ] = { + expand: function( value ) { + var i = 0, + expanded = {}, + + // Assumes a single number if not a string + parts = typeof value === "string" ? value.split( " " ) : [ value ]; + + for ( ; i < 4; i++ ) { + expanded[ prefix + cssExpand[ i ] + suffix ] = + parts[ i ] || parts[ i - 2 ] || parts[ 0 ]; + } + + return expanded; + } + }; + + if ( prefix !== "margin" ) { + jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber; + } +} ); + +jQuery.fn.extend( { + css: function( name, value ) { + return access( this, function( elem, name, value ) { + var styles, len, + map = {}, + i = 0; + + if ( Array.isArray( name ) ) { + styles = getStyles( elem ); + len = name.length; + + for ( ; i < len; i++ ) { + map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles ); + } + + return map; + } + + return value !== undefined ? + jQuery.style( elem, name, value ) : + jQuery.css( elem, name ); + }, name, value, arguments.length > 1 ); + } +} ); + + +function Tween( elem, options, prop, end, easing ) { + return new Tween.prototype.init( elem, options, prop, end, easing ); +} +jQuery.Tween = Tween; + +Tween.prototype = { + constructor: Tween, + init: function( elem, options, prop, end, easing, unit ) { + this.elem = elem; + this.prop = prop; + this.easing = easing || jQuery.easing._default; + this.options = options; + this.start = this.now = this.cur(); + this.end = end; + this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" ); + }, + cur: function() { + var hooks = Tween.propHooks[ this.prop ]; + + return hooks && hooks.get ? + hooks.get( this ) : + Tween.propHooks._default.get( this ); + }, + run: function( percent ) { + var eased, + hooks = Tween.propHooks[ this.prop ]; + + if ( this.options.duration ) { + this.pos = eased = jQuery.easing[ this.easing ]( + percent, this.options.duration * percent, 0, 1, this.options.duration + ); + } else { + this.pos = eased = percent; + } + this.now = ( this.end - this.start ) * eased + this.start; + + if ( this.options.step ) { + this.options.step.call( this.elem, this.now, this ); + } + + if ( hooks && hooks.set ) { + hooks.set( this ); + } else { + Tween.propHooks._default.set( this ); + } + return this; + } +}; + +Tween.prototype.init.prototype = Tween.prototype; + +Tween.propHooks = { + _default: { + get: function( tween ) { + var result; + + // Use a property on the element directly when it is not a DOM element, + // or when there is no matching style property that exists. + if ( tween.elem.nodeType !== 1 || + tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) { + return tween.elem[ tween.prop ]; + } + + // Passing an empty string as a 3rd parameter to .css will automatically + // attempt a parseFloat and fallback to a string if the parse fails. + // Simple values such as "10px" are parsed to Float; + // complex values such as "rotate(1rad)" are returned as-is. + result = jQuery.css( tween.elem, tween.prop, "" ); + + // Empty strings, null, undefined and "auto" are converted to 0. + return !result || result === "auto" ? 0 : result; + }, + set: function( tween ) { + + // Use step hook for back compat. + // Use cssHook if its there. + // Use .style if available and use plain properties where available. + if ( jQuery.fx.step[ tween.prop ] ) { + jQuery.fx.step[ tween.prop ]( tween ); + } else if ( tween.elem.nodeType === 1 && ( + jQuery.cssHooks[ tween.prop ] || + tween.elem.style[ finalPropName( tween.prop ) ] != null ) ) { + jQuery.style( tween.elem, tween.prop, tween.now + tween.unit ); + } else { + tween.elem[ tween.prop ] = tween.now; + } + } + } +}; + +// Support: IE <=9 only +// Panic based approach to setting things on disconnected nodes +Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = { + set: function( tween ) { + if ( tween.elem.nodeType && tween.elem.parentNode ) { + tween.elem[ tween.prop ] = tween.now; + } + } +}; + +jQuery.easing = { + linear: function( p ) { + return p; + }, + swing: function( p ) { + return 0.5 - Math.cos( p * Math.PI ) / 2; + }, + _default: "swing" +}; + +jQuery.fx = Tween.prototype.init; + +// Back compat <1.8 extension point +jQuery.fx.step = {}; + + + + +var + fxNow, inProgress, + rfxtypes = /^(?:toggle|show|hide)$/, + rrun = /queueHooks$/; + +function schedule() { + if ( inProgress ) { + if ( document.hidden === false && window.requestAnimationFrame ) { + window.requestAnimationFrame( schedule ); + } else { + window.setTimeout( schedule, jQuery.fx.interval ); + } + + jQuery.fx.tick(); + } +} + +// Animations created synchronously will run synchronously +function createFxNow() { + window.setTimeout( function() { + fxNow = undefined; + } ); + return ( fxNow = Date.now() ); +} + +// Generate parameters to create a standard animation +function genFx( type, includeWidth ) { + var which, + i = 0, + attrs = { height: type }; + + // If we include width, step value is 1 to do all cssExpand values, + // otherwise step value is 2 to skip over Left and Right + includeWidth = includeWidth ? 1 : 0; + for ( ; i < 4; i += 2 - includeWidth ) { + which = cssExpand[ i ]; + attrs[ "margin" + which ] = attrs[ "padding" + which ] = type; + } + + if ( includeWidth ) { + attrs.opacity = attrs.width = type; + } + + return attrs; +} + +function createTween( value, prop, animation ) { + var tween, + collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ), + index = 0, + length = collection.length; + for ( ; index < length; index++ ) { + if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) { + + // We're done with this property + return tween; + } + } +} + +function defaultPrefilter( elem, props, opts ) { + var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display, + isBox = "width" in props || "height" in props, + anim = this, + orig = {}, + style = elem.style, + hidden = elem.nodeType && isHiddenWithinTree( elem ), + dataShow = dataPriv.get( elem, "fxshow" ); + + // Queue-skipping animations hijack the fx hooks + if ( !opts.queue ) { + hooks = jQuery._queueHooks( elem, "fx" ); + if ( hooks.unqueued == null ) { + hooks.unqueued = 0; + oldfire = hooks.empty.fire; + hooks.empty.fire = function() { + if ( !hooks.unqueued ) { + oldfire(); + } + }; + } + hooks.unqueued++; + + anim.always( function() { + + // Ensure the complete handler is called before this completes + anim.always( function() { + hooks.unqueued--; + if ( !jQuery.queue( elem, "fx" ).length ) { + hooks.empty.fire(); + } + } ); + } ); + } + + // Detect show/hide animations + for ( prop in props ) { + value = props[ prop ]; + if ( rfxtypes.test( value ) ) { + delete props[ prop ]; + toggle = toggle || value === "toggle"; + if ( value === ( hidden ? "hide" : "show" ) ) { + + // Pretend to be hidden if this is a "show" and + // there is still data from a stopped show/hide + if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) { + hidden = true; + + // Ignore all other no-op show/hide data + } else { + continue; + } + } + orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop ); + } + } + + // Bail out if this is a no-op like .hide().hide() + propTween = !jQuery.isEmptyObject( props ); + if ( !propTween && jQuery.isEmptyObject( orig ) ) { + return; + } + + // Restrict "overflow" and "display" styles during box animations + if ( isBox && elem.nodeType === 1 ) { + + // Support: IE <=9 - 11, Edge 12 - 15 + // Record all 3 overflow attributes because IE does not infer the shorthand + // from identically-valued overflowX and overflowY and Edge just mirrors + // the overflowX value there. + opts.overflow = [ style.overflow, style.overflowX, style.overflowY ]; + + // Identify a display type, preferring old show/hide data over the CSS cascade + restoreDisplay = dataShow && dataShow.display; + if ( restoreDisplay == null ) { + restoreDisplay = dataPriv.get( elem, "display" ); + } + display = jQuery.css( elem, "display" ); + if ( display === "none" ) { + if ( restoreDisplay ) { + display = restoreDisplay; + } else { + + // Get nonempty value(s) by temporarily forcing visibility + showHide( [ elem ], true ); + restoreDisplay = elem.style.display || restoreDisplay; + display = jQuery.css( elem, "display" ); + showHide( [ elem ] ); + } + } + + // Animate inline elements as inline-block + if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) { + if ( jQuery.css( elem, "float" ) === "none" ) { + + // Restore the original display value at the end of pure show/hide animations + if ( !propTween ) { + anim.done( function() { + style.display = restoreDisplay; + } ); + if ( restoreDisplay == null ) { + display = style.display; + restoreDisplay = display === "none" ? "" : display; + } + } + style.display = "inline-block"; + } + } + } + + if ( opts.overflow ) { + style.overflow = "hidden"; + anim.always( function() { + style.overflow = opts.overflow[ 0 ]; + style.overflowX = opts.overflow[ 1 ]; + style.overflowY = opts.overflow[ 2 ]; + } ); + } + + // Implement show/hide animations + propTween = false; + for ( prop in orig ) { + + // General show/hide setup for this element animation + if ( !propTween ) { + if ( dataShow ) { + if ( "hidden" in dataShow ) { + hidden = dataShow.hidden; + } + } else { + dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } ); + } + + // Store hidden/visible for toggle so `.stop().toggle()` "reverses" + if ( toggle ) { + dataShow.hidden = !hidden; + } + + // Show elements before animating them + if ( hidden ) { + showHide( [ elem ], true ); + } + + /* eslint-disable no-loop-func */ + + anim.done( function() { + + /* eslint-enable no-loop-func */ + + // The final step of a "hide" animation is actually hiding the element + if ( !hidden ) { + showHide( [ elem ] ); + } + dataPriv.remove( elem, "fxshow" ); + for ( prop in orig ) { + jQuery.style( elem, prop, orig[ prop ] ); + } + } ); + } + + // Per-property setup + propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim ); + if ( !( prop in dataShow ) ) { + dataShow[ prop ] = propTween.start; + if ( hidden ) { + propTween.end = propTween.start; + propTween.start = 0; + } + } + } +} + +function propFilter( props, specialEasing ) { + var index, name, easing, value, hooks; + + // camelCase, specialEasing and expand cssHook pass + for ( index in props ) { + name = camelCase( index ); + easing = specialEasing[ name ]; + value = props[ index ]; + if ( Array.isArray( value ) ) { + easing = value[ 1 ]; + value = props[ index ] = value[ 0 ]; + } + + if ( index !== name ) { + props[ name ] = value; + delete props[ index ]; + } + + hooks = jQuery.cssHooks[ name ]; + if ( hooks && "expand" in hooks ) { + value = hooks.expand( value ); + delete props[ name ]; + + // Not quite $.extend, this won't overwrite existing keys. + // Reusing 'index' because we have the correct "name" + for ( index in value ) { + if ( !( index in props ) ) { + props[ index ] = value[ index ]; + specialEasing[ index ] = easing; + } + } + } else { + specialEasing[ name ] = easing; + } + } +} + +function Animation( elem, properties, options ) { + var result, + stopped, + index = 0, + length = Animation.prefilters.length, + deferred = jQuery.Deferred().always( function() { + + // Don't match elem in the :animated selector + delete tick.elem; + } ), + tick = function() { + if ( stopped ) { + return false; + } + var currentTime = fxNow || createFxNow(), + remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ), + + // Support: Android 2.3 only + // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (trac-12497) + temp = remaining / animation.duration || 0, + percent = 1 - temp, + index = 0, + length = animation.tweens.length; + + for ( ; index < length; index++ ) { + animation.tweens[ index ].run( percent ); + } + + deferred.notifyWith( elem, [ animation, percent, remaining ] ); + + // If there's more to do, yield + if ( percent < 1 && length ) { + return remaining; + } + + // If this was an empty animation, synthesize a final progress notification + if ( !length ) { + deferred.notifyWith( elem, [ animation, 1, 0 ] ); + } + + // Resolve the animation and report its conclusion + deferred.resolveWith( elem, [ animation ] ); + return false; + }, + animation = deferred.promise( { + elem: elem, + props: jQuery.extend( {}, properties ), + opts: jQuery.extend( true, { + specialEasing: {}, + easing: jQuery.easing._default + }, options ), + originalProperties: properties, + originalOptions: options, + startTime: fxNow || createFxNow(), + duration: options.duration, + tweens: [], + createTween: function( prop, end ) { + var tween = jQuery.Tween( elem, animation.opts, prop, end, + animation.opts.specialEasing[ prop ] || animation.opts.easing ); + animation.tweens.push( tween ); + return tween; + }, + stop: function( gotoEnd ) { + var index = 0, + + // If we are going to the end, we want to run all the tweens + // otherwise we skip this part + length = gotoEnd ? animation.tweens.length : 0; + if ( stopped ) { + return this; + } + stopped = true; + for ( ; index < length; index++ ) { + animation.tweens[ index ].run( 1 ); + } + + // Resolve when we played the last frame; otherwise, reject + if ( gotoEnd ) { + deferred.notifyWith( elem, [ animation, 1, 0 ] ); + deferred.resolveWith( elem, [ animation, gotoEnd ] ); + } else { + deferred.rejectWith( elem, [ animation, gotoEnd ] ); + } + return this; + } + } ), + props = animation.props; + + propFilter( props, animation.opts.specialEasing ); + + for ( ; index < length; index++ ) { + result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts ); + if ( result ) { + if ( isFunction( result.stop ) ) { + jQuery._queueHooks( animation.elem, animation.opts.queue ).stop = + result.stop.bind( result ); + } + return result; + } + } + + jQuery.map( props, createTween, animation ); + + if ( isFunction( animation.opts.start ) ) { + animation.opts.start.call( elem, animation ); + } + + // Attach callbacks from options + animation + .progress( animation.opts.progress ) + .done( animation.opts.done, animation.opts.complete ) + .fail( animation.opts.fail ) + .always( animation.opts.always ); + + jQuery.fx.timer( + jQuery.extend( tick, { + elem: elem, + anim: animation, + queue: animation.opts.queue + } ) + ); + + return animation; +} + +jQuery.Animation = jQuery.extend( Animation, { + + tweeners: { + "*": [ function( prop, value ) { + var tween = this.createTween( prop, value ); + adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween ); + return tween; + } ] + }, + + tweener: function( props, callback ) { + if ( isFunction( props ) ) { + callback = props; + props = [ "*" ]; + } else { + props = props.match( rnothtmlwhite ); + } + + var prop, + index = 0, + length = props.length; + + for ( ; index < length; index++ ) { + prop = props[ index ]; + Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || []; + Animation.tweeners[ prop ].unshift( callback ); + } + }, + + prefilters: [ defaultPrefilter ], + + prefilter: function( callback, prepend ) { + if ( prepend ) { + Animation.prefilters.unshift( callback ); + } else { + Animation.prefilters.push( callback ); + } + } +} ); + +jQuery.speed = function( speed, easing, fn ) { + var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : { + complete: fn || !fn && easing || + isFunction( speed ) && speed, + duration: speed, + easing: fn && easing || easing && !isFunction( easing ) && easing + }; + + // Go to the end state if fx are off + if ( jQuery.fx.off ) { + opt.duration = 0; + + } else { + if ( typeof opt.duration !== "number" ) { + if ( opt.duration in jQuery.fx.speeds ) { + opt.duration = jQuery.fx.speeds[ opt.duration ]; + + } else { + opt.duration = jQuery.fx.speeds._default; + } + } + } + + // Normalize opt.queue - true/undefined/null -> "fx" + if ( opt.queue == null || opt.queue === true ) { + opt.queue = "fx"; + } + + // Queueing + opt.old = opt.complete; + + opt.complete = function() { + if ( isFunction( opt.old ) ) { + opt.old.call( this ); + } + + if ( opt.queue ) { + jQuery.dequeue( this, opt.queue ); + } + }; + + return opt; +}; + +jQuery.fn.extend( { + fadeTo: function( speed, to, easing, callback ) { + + // Show any hidden elements after setting opacity to 0 + return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show() + + // Animate to the value specified + .end().animate( { opacity: to }, speed, easing, callback ); + }, + animate: function( prop, speed, easing, callback ) { + var empty = jQuery.isEmptyObject( prop ), + optall = jQuery.speed( speed, easing, callback ), + doAnimation = function() { + + // Operate on a copy of prop so per-property easing won't be lost + var anim = Animation( this, jQuery.extend( {}, prop ), optall ); + + // Empty animations, or finishing resolves immediately + if ( empty || dataPriv.get( this, "finish" ) ) { + anim.stop( true ); + } + }; + + doAnimation.finish = doAnimation; + + return empty || optall.queue === false ? + this.each( doAnimation ) : + this.queue( optall.queue, doAnimation ); + }, + stop: function( type, clearQueue, gotoEnd ) { + var stopQueue = function( hooks ) { + var stop = hooks.stop; + delete hooks.stop; + stop( gotoEnd ); + }; + + if ( typeof type !== "string" ) { + gotoEnd = clearQueue; + clearQueue = type; + type = undefined; + } + if ( clearQueue ) { + this.queue( type || "fx", [] ); + } + + return this.each( function() { + var dequeue = true, + index = type != null && type + "queueHooks", + timers = jQuery.timers, + data = dataPriv.get( this ); + + if ( index ) { + if ( data[ index ] && data[ index ].stop ) { + stopQueue( data[ index ] ); + } + } else { + for ( index in data ) { + if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) { + stopQueue( data[ index ] ); + } + } + } + + for ( index = timers.length; index--; ) { + if ( timers[ index ].elem === this && + ( type == null || timers[ index ].queue === type ) ) { + + timers[ index ].anim.stop( gotoEnd ); + dequeue = false; + timers.splice( index, 1 ); + } + } + + // Start the next in the queue if the last step wasn't forced. + // Timers currently will call their complete callbacks, which + // will dequeue but only if they were gotoEnd. + if ( dequeue || !gotoEnd ) { + jQuery.dequeue( this, type ); + } + } ); + }, + finish: function( type ) { + if ( type !== false ) { + type = type || "fx"; + } + return this.each( function() { + var index, + data = dataPriv.get( this ), + queue = data[ type + "queue" ], + hooks = data[ type + "queueHooks" ], + timers = jQuery.timers, + length = queue ? queue.length : 0; + + // Enable finishing flag on private data + data.finish = true; + + // Empty the queue first + jQuery.queue( this, type, [] ); + + if ( hooks && hooks.stop ) { + hooks.stop.call( this, true ); + } + + // Look for any active animations, and finish them + for ( index = timers.length; index--; ) { + if ( timers[ index ].elem === this && timers[ index ].queue === type ) { + timers[ index ].anim.stop( true ); + timers.splice( index, 1 ); + } + } + + // Look for any animations in the old queue and finish them + for ( index = 0; index < length; index++ ) { + if ( queue[ index ] && queue[ index ].finish ) { + queue[ index ].finish.call( this ); + } + } + + // Turn off finishing flag + delete data.finish; + } ); + } +} ); + +jQuery.each( [ "toggle", "show", "hide" ], function( _i, name ) { + var cssFn = jQuery.fn[ name ]; + jQuery.fn[ name ] = function( speed, easing, callback ) { + return speed == null || typeof speed === "boolean" ? + cssFn.apply( this, arguments ) : + this.animate( genFx( name, true ), speed, easing, callback ); + }; +} ); + +// Generate shortcuts for custom animations +jQuery.each( { + slideDown: genFx( "show" ), + slideUp: genFx( "hide" ), + slideToggle: genFx( "toggle" ), + fadeIn: { opacity: "show" }, + fadeOut: { opacity: "hide" }, + fadeToggle: { opacity: "toggle" } +}, function( name, props ) { + jQuery.fn[ name ] = function( speed, easing, callback ) { + return this.animate( props, speed, easing, callback ); + }; +} ); + +jQuery.timers = []; +jQuery.fx.tick = function() { + var timer, + i = 0, + timers = jQuery.timers; + + fxNow = Date.now(); + + for ( ; i < timers.length; i++ ) { + timer = timers[ i ]; + + // Run the timer and safely remove it when done (allowing for external removal) + if ( !timer() && timers[ i ] === timer ) { + timers.splice( i--, 1 ); + } + } + + if ( !timers.length ) { + jQuery.fx.stop(); + } + fxNow = undefined; +}; + +jQuery.fx.timer = function( timer ) { + jQuery.timers.push( timer ); + jQuery.fx.start(); +}; + +jQuery.fx.interval = 13; +jQuery.fx.start = function() { + if ( inProgress ) { + return; + } + + inProgress = true; + schedule(); +}; + +jQuery.fx.stop = function() { + inProgress = null; +}; + +jQuery.fx.speeds = { + slow: 600, + fast: 200, + + // Default speed + _default: 400 +}; + + +// Based off of the plugin by Clint Helfers, with permission. +jQuery.fn.delay = function( time, type ) { + time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time; + type = type || "fx"; + + return this.queue( type, function( next, hooks ) { + var timeout = window.setTimeout( next, time ); + hooks.stop = function() { + window.clearTimeout( timeout ); + }; + } ); +}; + + +( function() { + var input = document.createElement( "input" ), + select = document.createElement( "select" ), + opt = select.appendChild( document.createElement( "option" ) ); + + input.type = "checkbox"; + + // Support: Android <=4.3 only + // Default value for a checkbox should be "on" + support.checkOn = input.value !== ""; + + // Support: IE <=11 only + // Must access selectedIndex to make default options select + support.optSelected = opt.selected; + + // Support: IE <=11 only + // An input loses its value after becoming a radio + input = document.createElement( "input" ); + input.value = "t"; + input.type = "radio"; + support.radioValue = input.value === "t"; +} )(); + + +var boolHook, + attrHandle = jQuery.expr.attrHandle; + +jQuery.fn.extend( { + attr: function( name, value ) { + return access( this, jQuery.attr, name, value, arguments.length > 1 ); + }, + + removeAttr: function( name ) { + return this.each( function() { + jQuery.removeAttr( this, name ); + } ); + } +} ); + +jQuery.extend( { + attr: function( elem, name, value ) { + var ret, hooks, + nType = elem.nodeType; + + // Don't get/set attributes on text, comment and attribute nodes + if ( nType === 3 || nType === 8 || nType === 2 ) { + return; + } + + // Fallback to prop when attributes are not supported + if ( typeof elem.getAttribute === "undefined" ) { + return jQuery.prop( elem, name, value ); + } + + // Attribute hooks are determined by the lowercase version + // Grab necessary hook if one is defined + if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { + hooks = jQuery.attrHooks[ name.toLowerCase() ] || + ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined ); + } + + if ( value !== undefined ) { + if ( value === null ) { + jQuery.removeAttr( elem, name ); + return; + } + + if ( hooks && "set" in hooks && + ( ret = hooks.set( elem, value, name ) ) !== undefined ) { + return ret; + } + + elem.setAttribute( name, value + "" ); + return value; + } + + if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { + return ret; + } + + ret = jQuery.find.attr( elem, name ); + + // Non-existent attributes return null, we normalize to undefined + return ret == null ? undefined : ret; + }, + + attrHooks: { + type: { + set: function( elem, value ) { + if ( !support.radioValue && value === "radio" && + nodeName( elem, "input" ) ) { + var val = elem.value; + elem.setAttribute( "type", value ); + if ( val ) { + elem.value = val; + } + return value; + } + } + } + }, + + removeAttr: function( elem, value ) { + var name, + i = 0, + + // Attribute names can contain non-HTML whitespace characters + // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2 + attrNames = value && value.match( rnothtmlwhite ); + + if ( attrNames && elem.nodeType === 1 ) { + while ( ( name = attrNames[ i++ ] ) ) { + elem.removeAttribute( name ); + } + } + } +} ); + +// Hooks for boolean attributes +boolHook = { + set: function( elem, value, name ) { + if ( value === false ) { + + // Remove boolean attributes when set to false + jQuery.removeAttr( elem, name ); + } else { + elem.setAttribute( name, name ); + } + return name; + } +}; + +jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( _i, name ) { + var getter = attrHandle[ name ] || jQuery.find.attr; + + attrHandle[ name ] = function( elem, name, isXML ) { + var ret, handle, + lowercaseName = name.toLowerCase(); + + if ( !isXML ) { + + // Avoid an infinite loop by temporarily removing this function from the getter + handle = attrHandle[ lowercaseName ]; + attrHandle[ lowercaseName ] = ret; + ret = getter( elem, name, isXML ) != null ? + lowercaseName : + null; + attrHandle[ lowercaseName ] = handle; + } + return ret; + }; +} ); + + + + +var rfocusable = /^(?:input|select|textarea|button)$/i, + rclickable = /^(?:a|area)$/i; + +jQuery.fn.extend( { + prop: function( name, value ) { + return access( this, jQuery.prop, name, value, arguments.length > 1 ); + }, + + removeProp: function( name ) { + return this.each( function() { + delete this[ jQuery.propFix[ name ] || name ]; + } ); + } +} ); + +jQuery.extend( { + prop: function( elem, name, value ) { + var ret, hooks, + nType = elem.nodeType; + + // Don't get/set properties on text, comment and attribute nodes + if ( nType === 3 || nType === 8 || nType === 2 ) { + return; + } + + if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { + + // Fix name and attach hooks + name = jQuery.propFix[ name ] || name; + hooks = jQuery.propHooks[ name ]; + } + + if ( value !== undefined ) { + if ( hooks && "set" in hooks && + ( ret = hooks.set( elem, value, name ) ) !== undefined ) { + return ret; + } + + return ( elem[ name ] = value ); + } + + if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { + return ret; + } + + return elem[ name ]; + }, + + propHooks: { + tabIndex: { + get: function( elem ) { + + // Support: IE <=9 - 11 only + // elem.tabIndex doesn't always return the + // correct value when it hasn't been explicitly set + // Use proper attribute retrieval (trac-12072) + var tabindex = jQuery.find.attr( elem, "tabindex" ); + + if ( tabindex ) { + return parseInt( tabindex, 10 ); + } + + if ( + rfocusable.test( elem.nodeName ) || + rclickable.test( elem.nodeName ) && + elem.href + ) { + return 0; + } + + return -1; + } + } + }, + + propFix: { + "for": "htmlFor", + "class": "className" + } +} ); + +// Support: IE <=11 only +// Accessing the selectedIndex property +// forces the browser to respect setting selected +// on the option +// The getter ensures a default option is selected +// when in an optgroup +// eslint rule "no-unused-expressions" is disabled for this code +// since it considers such accessions noop +if ( !support.optSelected ) { + jQuery.propHooks.selected = { + get: function( elem ) { + + /* eslint no-unused-expressions: "off" */ + + var parent = elem.parentNode; + if ( parent && parent.parentNode ) { + parent.parentNode.selectedIndex; + } + return null; + }, + set: function( elem ) { + + /* eslint no-unused-expressions: "off" */ + + var parent = elem.parentNode; + if ( parent ) { + parent.selectedIndex; + + if ( parent.parentNode ) { + parent.parentNode.selectedIndex; + } + } + } + }; +} + +jQuery.each( [ + "tabIndex", + "readOnly", + "maxLength", + "cellSpacing", + "cellPadding", + "rowSpan", + "colSpan", + "useMap", + "frameBorder", + "contentEditable" +], function() { + jQuery.propFix[ this.toLowerCase() ] = this; +} ); + + + + + // Strip and collapse whitespace according to HTML spec + // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace + function stripAndCollapse( value ) { + var tokens = value.match( rnothtmlwhite ) || []; + return tokens.join( " " ); + } + + +function getClass( elem ) { + return elem.getAttribute && elem.getAttribute( "class" ) || ""; +} + +function classesToArray( value ) { + if ( Array.isArray( value ) ) { + return value; + } + if ( typeof value === "string" ) { + return value.match( rnothtmlwhite ) || []; + } + return []; +} + +jQuery.fn.extend( { + addClass: function( value ) { + var classNames, cur, curValue, className, i, finalValue; + + if ( isFunction( value ) ) { + return this.each( function( j ) { + jQuery( this ).addClass( value.call( this, j, getClass( this ) ) ); + } ); + } + + classNames = classesToArray( value ); + + if ( classNames.length ) { + return this.each( function() { + curValue = getClass( this ); + cur = this.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " ); + + if ( cur ) { + for ( i = 0; i < classNames.length; i++ ) { + className = classNames[ i ]; + if ( cur.indexOf( " " + className + " " ) < 0 ) { + cur += className + " "; + } + } + + // Only assign if different to avoid unneeded rendering. + finalValue = stripAndCollapse( cur ); + if ( curValue !== finalValue ) { + this.setAttribute( "class", finalValue ); + } + } + } ); + } + + return this; + }, + + removeClass: function( value ) { + var classNames, cur, curValue, className, i, finalValue; + + if ( isFunction( value ) ) { + return this.each( function( j ) { + jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) ); + } ); + } + + if ( !arguments.length ) { + return this.attr( "class", "" ); + } + + classNames = classesToArray( value ); + + if ( classNames.length ) { + return this.each( function() { + curValue = getClass( this ); + + // This expression is here for better compressibility (see addClass) + cur = this.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " ); + + if ( cur ) { + for ( i = 0; i < classNames.length; i++ ) { + className = classNames[ i ]; + + // Remove *all* instances + while ( cur.indexOf( " " + className + " " ) > -1 ) { + cur = cur.replace( " " + className + " ", " " ); + } + } + + // Only assign if different to avoid unneeded rendering. + finalValue = stripAndCollapse( cur ); + if ( curValue !== finalValue ) { + this.setAttribute( "class", finalValue ); + } + } + } ); + } + + return this; + }, + + toggleClass: function( value, stateVal ) { + var classNames, className, i, self, + type = typeof value, + isValidValue = type === "string" || Array.isArray( value ); + + if ( isFunction( value ) ) { + return this.each( function( i ) { + jQuery( this ).toggleClass( + value.call( this, i, getClass( this ), stateVal ), + stateVal + ); + } ); + } + + if ( typeof stateVal === "boolean" && isValidValue ) { + return stateVal ? this.addClass( value ) : this.removeClass( value ); + } + + classNames = classesToArray( value ); + + return this.each( function() { + if ( isValidValue ) { + + // Toggle individual class names + self = jQuery( this ); + + for ( i = 0; i < classNames.length; i++ ) { + className = classNames[ i ]; + + // Check each className given, space separated list + if ( self.hasClass( className ) ) { + self.removeClass( className ); + } else { + self.addClass( className ); + } + } + + // Toggle whole class name + } else if ( value === undefined || type === "boolean" ) { + className = getClass( this ); + if ( className ) { + + // Store className if set + dataPriv.set( this, "__className__", className ); + } + + // If the element has a class name or if we're passed `false`, + // then remove the whole classname (if there was one, the above saved it). + // Otherwise bring back whatever was previously saved (if anything), + // falling back to the empty string if nothing was stored. + if ( this.setAttribute ) { + this.setAttribute( "class", + className || value === false ? + "" : + dataPriv.get( this, "__className__" ) || "" + ); + } + } + } ); + }, + + hasClass: function( selector ) { + var className, elem, + i = 0; + + className = " " + selector + " "; + while ( ( elem = this[ i++ ] ) ) { + if ( elem.nodeType === 1 && + ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) { + return true; + } + } + + return false; + } +} ); + + + + +var rreturn = /\r/g; + +jQuery.fn.extend( { + val: function( value ) { + var hooks, ret, valueIsFunction, + elem = this[ 0 ]; + + if ( !arguments.length ) { + if ( elem ) { + hooks = jQuery.valHooks[ elem.type ] || + jQuery.valHooks[ elem.nodeName.toLowerCase() ]; + + if ( hooks && + "get" in hooks && + ( ret = hooks.get( elem, "value" ) ) !== undefined + ) { + return ret; + } + + ret = elem.value; + + // Handle most common string cases + if ( typeof ret === "string" ) { + return ret.replace( rreturn, "" ); + } + + // Handle cases where value is null/undef or number + return ret == null ? "" : ret; + } + + return; + } + + valueIsFunction = isFunction( value ); + + return this.each( function( i ) { + var val; + + if ( this.nodeType !== 1 ) { + return; + } + + if ( valueIsFunction ) { + val = value.call( this, i, jQuery( this ).val() ); + } else { + val = value; + } + + // Treat null/undefined as ""; convert numbers to string + if ( val == null ) { + val = ""; + + } else if ( typeof val === "number" ) { + val += ""; + + } else if ( Array.isArray( val ) ) { + val = jQuery.map( val, function( value ) { + return value == null ? "" : value + ""; + } ); + } + + hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ]; + + // If set returns undefined, fall back to normal setting + if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) { + this.value = val; + } + } ); + } +} ); + +jQuery.extend( { + valHooks: { + option: { + get: function( elem ) { + + var val = jQuery.find.attr( elem, "value" ); + return val != null ? + val : + + // Support: IE <=10 - 11 only + // option.text throws exceptions (trac-14686, trac-14858) + // Strip and collapse whitespace + // https://html.spec.whatwg.org/#strip-and-collapse-whitespace + stripAndCollapse( jQuery.text( elem ) ); + } + }, + select: { + get: function( elem ) { + var value, option, i, + options = elem.options, + index = elem.selectedIndex, + one = elem.type === "select-one", + values = one ? null : [], + max = one ? index + 1 : options.length; + + if ( index < 0 ) { + i = max; + + } else { + i = one ? index : 0; + } + + // Loop through all the selected options + for ( ; i < max; i++ ) { + option = options[ i ]; + + // Support: IE <=9 only + // IE8-9 doesn't update selected after form reset (trac-2551) + if ( ( option.selected || i === index ) && + + // Don't return options that are disabled or in a disabled optgroup + !option.disabled && + ( !option.parentNode.disabled || + !nodeName( option.parentNode, "optgroup" ) ) ) { + + // Get the specific value for the option + value = jQuery( option ).val(); + + // We don't need an array for one selects + if ( one ) { + return value; + } + + // Multi-Selects return an array + values.push( value ); + } + } + + return values; + }, + + set: function( elem, value ) { + var optionSet, option, + options = elem.options, + values = jQuery.makeArray( value ), + i = options.length; + + while ( i-- ) { + option = options[ i ]; + + /* eslint-disable no-cond-assign */ + + if ( option.selected = + jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1 + ) { + optionSet = true; + } + + /* eslint-enable no-cond-assign */ + } + + // Force browsers to behave consistently when non-matching value is set + if ( !optionSet ) { + elem.selectedIndex = -1; + } + return values; + } + } + } +} ); + +// Radios and checkboxes getter/setter +jQuery.each( [ "radio", "checkbox" ], function() { + jQuery.valHooks[ this ] = { + set: function( elem, value ) { + if ( Array.isArray( value ) ) { + return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 ); + } + } + }; + if ( !support.checkOn ) { + jQuery.valHooks[ this ].get = function( elem ) { + return elem.getAttribute( "value" ) === null ? "on" : elem.value; + }; + } +} ); + + + + +// Return jQuery for attributes-only inclusion +var location = window.location; + +var nonce = { guid: Date.now() }; + +var rquery = ( /\?/ ); + + + +// Cross-browser xml parsing +jQuery.parseXML = function( data ) { + var xml, parserErrorElem; + if ( !data || typeof data !== "string" ) { + return null; + } + + // Support: IE 9 - 11 only + // IE throws on parseFromString with invalid input. + try { + xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" ); + } catch ( e ) {} + + parserErrorElem = xml && xml.getElementsByTagName( "parsererror" )[ 0 ]; + if ( !xml || parserErrorElem ) { + jQuery.error( "Invalid XML: " + ( + parserErrorElem ? + jQuery.map( parserErrorElem.childNodes, function( el ) { + return el.textContent; + } ).join( "\n" ) : + data + ) ); + } + return xml; +}; + + +var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/, + stopPropagationCallback = function( e ) { + e.stopPropagation(); + }; + +jQuery.extend( jQuery.event, { + + trigger: function( event, data, elem, onlyHandlers ) { + + var i, cur, tmp, bubbleType, ontype, handle, special, lastElement, + eventPath = [ elem || document ], + type = hasOwn.call( event, "type" ) ? event.type : event, + namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : []; + + cur = lastElement = tmp = elem = elem || document; + + // Don't do events on text and comment nodes + if ( elem.nodeType === 3 || elem.nodeType === 8 ) { + return; + } + + // focus/blur morphs to focusin/out; ensure we're not firing them right now + if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { + return; + } + + if ( type.indexOf( "." ) > -1 ) { + + // Namespaced trigger; create a regexp to match event type in handle() + namespaces = type.split( "." ); + type = namespaces.shift(); + namespaces.sort(); + } + ontype = type.indexOf( ":" ) < 0 && "on" + type; + + // Caller can pass in a jQuery.Event object, Object, or just an event type string + event = event[ jQuery.expando ] ? + event : + new jQuery.Event( type, typeof event === "object" && event ); + + // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true) + event.isTrigger = onlyHandlers ? 2 : 3; + event.namespace = namespaces.join( "." ); + event.rnamespace = event.namespace ? + new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) : + null; + + // Clean up the event in case it is being reused + event.result = undefined; + if ( !event.target ) { + event.target = elem; + } + + // Clone any incoming data and prepend the event, creating the handler arg list + data = data == null ? + [ event ] : + jQuery.makeArray( data, [ event ] ); + + // Allow special events to draw outside the lines + special = jQuery.event.special[ type ] || {}; + if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { + return; + } + + // Determine event propagation path in advance, per W3C events spec (trac-9951) + // Bubble up to document, then to window; watch for a global ownerDocument var (trac-9724) + if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) { + + bubbleType = special.delegateType || type; + if ( !rfocusMorph.test( bubbleType + type ) ) { + cur = cur.parentNode; + } + for ( ; cur; cur = cur.parentNode ) { + eventPath.push( cur ); + tmp = cur; + } + + // Only add window if we got to document (e.g., not plain obj or detached DOM) + if ( tmp === ( elem.ownerDocument || document ) ) { + eventPath.push( tmp.defaultView || tmp.parentWindow || window ); + } + } + + // Fire handlers on the event path + i = 0; + while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) { + lastElement = cur; + event.type = i > 1 ? + bubbleType : + special.bindType || type; + + // jQuery handler + handle = ( dataPriv.get( cur, "events" ) || Object.create( null ) )[ event.type ] && + dataPriv.get( cur, "handle" ); + if ( handle ) { + handle.apply( cur, data ); + } + + // Native handler + handle = ontype && cur[ ontype ]; + if ( handle && handle.apply && acceptData( cur ) ) { + event.result = handle.apply( cur, data ); + if ( event.result === false ) { + event.preventDefault(); + } + } + } + event.type = type; + + // If nobody prevented the default action, do it now + if ( !onlyHandlers && !event.isDefaultPrevented() ) { + + if ( ( !special._default || + special._default.apply( eventPath.pop(), data ) === false ) && + acceptData( elem ) ) { + + // Call a native DOM method on the target with the same name as the event. + // Don't do default actions on window, that's where global variables be (trac-6170) + if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) { + + // Don't re-trigger an onFOO event when we call its FOO() method + tmp = elem[ ontype ]; + + if ( tmp ) { + elem[ ontype ] = null; + } + + // Prevent re-triggering of the same event, since we already bubbled it above + jQuery.event.triggered = type; + + if ( event.isPropagationStopped() ) { + lastElement.addEventListener( type, stopPropagationCallback ); + } + + elem[ type ](); + + if ( event.isPropagationStopped() ) { + lastElement.removeEventListener( type, stopPropagationCallback ); + } + + jQuery.event.triggered = undefined; + + if ( tmp ) { + elem[ ontype ] = tmp; + } + } + } + } + + return event.result; + }, + + // Piggyback on a donor event to simulate a different one + // Used only for `focus(in | out)` events + simulate: function( type, elem, event ) { + var e = jQuery.extend( + new jQuery.Event(), + event, + { + type: type, + isSimulated: true + } + ); + + jQuery.event.trigger( e, null, elem ); + } + +} ); + +jQuery.fn.extend( { + + trigger: function( type, data ) { + return this.each( function() { + jQuery.event.trigger( type, data, this ); + } ); + }, + triggerHandler: function( type, data ) { + var elem = this[ 0 ]; + if ( elem ) { + return jQuery.event.trigger( type, data, elem, true ); + } + } +} ); + + +var + rbracket = /\[\]$/, + rCRLF = /\r?\n/g, + rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i, + rsubmittable = /^(?:input|select|textarea|keygen)/i; + +function buildParams( prefix, obj, traditional, add ) { + var name; + + if ( Array.isArray( obj ) ) { + + // Serialize array item. + jQuery.each( obj, function( i, v ) { + if ( traditional || rbracket.test( prefix ) ) { + + // Treat each array item as a scalar. + add( prefix, v ); + + } else { + + // Item is non-scalar (array or object), encode its numeric index. + buildParams( + prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]", + v, + traditional, + add + ); + } + } ); + + } else if ( !traditional && toType( obj ) === "object" ) { + + // Serialize object item. + for ( name in obj ) { + buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add ); + } + + } else { + + // Serialize scalar item. + add( prefix, obj ); + } +} + +// Serialize an array of form elements or a set of +// key/values into a query string +jQuery.param = function( a, traditional ) { + var prefix, + s = [], + add = function( key, valueOrFunction ) { + + // If value is a function, invoke it and use its return value + var value = isFunction( valueOrFunction ) ? + valueOrFunction() : + valueOrFunction; + + s[ s.length ] = encodeURIComponent( key ) + "=" + + encodeURIComponent( value == null ? "" : value ); + }; + + if ( a == null ) { + return ""; + } + + // If an array was passed in, assume that it is an array of form elements. + if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) { + + // Serialize the form elements + jQuery.each( a, function() { + add( this.name, this.value ); + } ); + + } else { + + // If traditional, encode the "old" way (the way 1.3.2 or older + // did it), otherwise encode params recursively. + for ( prefix in a ) { + buildParams( prefix, a[ prefix ], traditional, add ); + } + } + + // Return the resulting serialization + return s.join( "&" ); +}; + +jQuery.fn.extend( { + serialize: function() { + return jQuery.param( this.serializeArray() ); + }, + serializeArray: function() { + return this.map( function() { + + // Can add propHook for "elements" to filter or add form elements + var elements = jQuery.prop( this, "elements" ); + return elements ? jQuery.makeArray( elements ) : this; + } ).filter( function() { + var type = this.type; + + // Use .is( ":disabled" ) so that fieldset[disabled] works + return this.name && !jQuery( this ).is( ":disabled" ) && + rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) && + ( this.checked || !rcheckableType.test( type ) ); + } ).map( function( _i, elem ) { + var val = jQuery( this ).val(); + + if ( val == null ) { + return null; + } + + if ( Array.isArray( val ) ) { + return jQuery.map( val, function( val ) { + return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; + } ); + } + + return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; + } ).get(); + } +} ); + + +var + r20 = /%20/g, + rhash = /#.*$/, + rantiCache = /([?&])_=[^&]*/, + rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg, + + // trac-7653, trac-8125, trac-8152: local protocol detection + rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/, + rnoContent = /^(?:GET|HEAD)$/, + rprotocol = /^\/\//, + + /* Prefilters + * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example) + * 2) These are called: + * - BEFORE asking for a transport + * - AFTER param serialization (s.data is a string if s.processData is true) + * 3) key is the dataType + * 4) the catchall symbol "*" can be used + * 5) execution will start with transport dataType and THEN continue down to "*" if needed + */ + prefilters = {}, + + /* Transports bindings + * 1) key is the dataType + * 2) the catchall symbol "*" can be used + * 3) selection will start with transport dataType and THEN go to "*" if needed + */ + transports = {}, + + // Avoid comment-prolog char sequence (trac-10098); must appease lint and evade compression + allTypes = "*/".concat( "*" ), + + // Anchor tag for parsing the document origin + originAnchor = document.createElement( "a" ); + +originAnchor.href = location.href; + +// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport +function addToPrefiltersOrTransports( structure ) { + + // dataTypeExpression is optional and defaults to "*" + return function( dataTypeExpression, func ) { + + if ( typeof dataTypeExpression !== "string" ) { + func = dataTypeExpression; + dataTypeExpression = "*"; + } + + var dataType, + i = 0, + dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || []; + + if ( isFunction( func ) ) { + + // For each dataType in the dataTypeExpression + while ( ( dataType = dataTypes[ i++ ] ) ) { + + // Prepend if requested + if ( dataType[ 0 ] === "+" ) { + dataType = dataType.slice( 1 ) || "*"; + ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func ); + + // Otherwise append + } else { + ( structure[ dataType ] = structure[ dataType ] || [] ).push( func ); + } + } + } + }; +} + +// Base inspection function for prefilters and transports +function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) { + + var inspected = {}, + seekingTransport = ( structure === transports ); + + function inspect( dataType ) { + var selected; + inspected[ dataType ] = true; + jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) { + var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR ); + if ( typeof dataTypeOrTransport === "string" && + !seekingTransport && !inspected[ dataTypeOrTransport ] ) { + + options.dataTypes.unshift( dataTypeOrTransport ); + inspect( dataTypeOrTransport ); + return false; + } else if ( seekingTransport ) { + return !( selected = dataTypeOrTransport ); + } + } ); + return selected; + } + + return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" ); +} + +// A special extend for ajax options +// that takes "flat" options (not to be deep extended) +// Fixes trac-9887 +function ajaxExtend( target, src ) { + var key, deep, + flatOptions = jQuery.ajaxSettings.flatOptions || {}; + + for ( key in src ) { + if ( src[ key ] !== undefined ) { + ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ]; + } + } + if ( deep ) { + jQuery.extend( true, target, deep ); + } + + return target; +} + +/* Handles responses to an ajax request: + * - finds the right dataType (mediates between content-type and expected dataType) + * - returns the corresponding response + */ +function ajaxHandleResponses( s, jqXHR, responses ) { + + var ct, type, finalDataType, firstDataType, + contents = s.contents, + dataTypes = s.dataTypes; + + // Remove auto dataType and get content-type in the process + while ( dataTypes[ 0 ] === "*" ) { + dataTypes.shift(); + if ( ct === undefined ) { + ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" ); + } + } + + // Check if we're dealing with a known content-type + if ( ct ) { + for ( type in contents ) { + if ( contents[ type ] && contents[ type ].test( ct ) ) { + dataTypes.unshift( type ); + break; + } + } + } + + // Check to see if we have a response for the expected dataType + if ( dataTypes[ 0 ] in responses ) { + finalDataType = dataTypes[ 0 ]; + } else { + + // Try convertible dataTypes + for ( type in responses ) { + if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) { + finalDataType = type; + break; + } + if ( !firstDataType ) { + firstDataType = type; + } + } + + // Or just use first one + finalDataType = finalDataType || firstDataType; + } + + // If we found a dataType + // We add the dataType to the list if needed + // and return the corresponding response + if ( finalDataType ) { + if ( finalDataType !== dataTypes[ 0 ] ) { + dataTypes.unshift( finalDataType ); + } + return responses[ finalDataType ]; + } +} + +/* Chain conversions given the request and the original response + * Also sets the responseXXX fields on the jqXHR instance + */ +function ajaxConvert( s, response, jqXHR, isSuccess ) { + var conv2, current, conv, tmp, prev, + converters = {}, + + // Work with a copy of dataTypes in case we need to modify it for conversion + dataTypes = s.dataTypes.slice(); + + // Create converters map with lowercased keys + if ( dataTypes[ 1 ] ) { + for ( conv in s.converters ) { + converters[ conv.toLowerCase() ] = s.converters[ conv ]; + } + } + + current = dataTypes.shift(); + + // Convert to each sequential dataType + while ( current ) { + + if ( s.responseFields[ current ] ) { + jqXHR[ s.responseFields[ current ] ] = response; + } + + // Apply the dataFilter if provided + if ( !prev && isSuccess && s.dataFilter ) { + response = s.dataFilter( response, s.dataType ); + } + + prev = current; + current = dataTypes.shift(); + + if ( current ) { + + // There's only work to do if current dataType is non-auto + if ( current === "*" ) { + + current = prev; + + // Convert response if prev dataType is non-auto and differs from current + } else if ( prev !== "*" && prev !== current ) { + + // Seek a direct converter + conv = converters[ prev + " " + current ] || converters[ "* " + current ]; + + // If none found, seek a pair + if ( !conv ) { + for ( conv2 in converters ) { + + // If conv2 outputs current + tmp = conv2.split( " " ); + if ( tmp[ 1 ] === current ) { + + // If prev can be converted to accepted input + conv = converters[ prev + " " + tmp[ 0 ] ] || + converters[ "* " + tmp[ 0 ] ]; + if ( conv ) { + + // Condense equivalence converters + if ( conv === true ) { + conv = converters[ conv2 ]; + + // Otherwise, insert the intermediate dataType + } else if ( converters[ conv2 ] !== true ) { + current = tmp[ 0 ]; + dataTypes.unshift( tmp[ 1 ] ); + } + break; + } + } + } + } + + // Apply converter (if not an equivalence) + if ( conv !== true ) { + + // Unless errors are allowed to bubble, catch and return them + if ( conv && s.throws ) { + response = conv( response ); + } else { + try { + response = conv( response ); + } catch ( e ) { + return { + state: "parsererror", + error: conv ? e : "No conversion from " + prev + " to " + current + }; + } + } + } + } + } + } + + return { state: "success", data: response }; +} + +jQuery.extend( { + + // Counter for holding the number of active queries + active: 0, + + // Last-Modified header cache for next request + lastModified: {}, + etag: {}, + + ajaxSettings: { + url: location.href, + type: "GET", + isLocal: rlocalProtocol.test( location.protocol ), + global: true, + processData: true, + async: true, + contentType: "application/x-www-form-urlencoded; charset=UTF-8", + + /* + timeout: 0, + data: null, + dataType: null, + username: null, + password: null, + cache: null, + throws: false, + traditional: false, + headers: {}, + */ + + accepts: { + "*": allTypes, + text: "text/plain", + html: "text/html", + xml: "application/xml, text/xml", + json: "application/json, text/javascript" + }, + + contents: { + xml: /\bxml\b/, + html: /\bhtml/, + json: /\bjson\b/ + }, + + responseFields: { + xml: "responseXML", + text: "responseText", + json: "responseJSON" + }, + + // Data converters + // Keys separate source (or catchall "*") and destination types with a single space + converters: { + + // Convert anything to text + "* text": String, + + // Text to html (true = no transformation) + "text html": true, + + // Evaluate text as a json expression + "text json": JSON.parse, + + // Parse text as xml + "text xml": jQuery.parseXML + }, + + // For options that shouldn't be deep extended: + // you can add your own custom options here if + // and when you create one that shouldn't be + // deep extended (see ajaxExtend) + flatOptions: { + url: true, + context: true + } + }, + + // Creates a full fledged settings object into target + // with both ajaxSettings and settings fields. + // If target is omitted, writes into ajaxSettings. + ajaxSetup: function( target, settings ) { + return settings ? + + // Building a settings object + ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) : + + // Extending ajaxSettings + ajaxExtend( jQuery.ajaxSettings, target ); + }, + + ajaxPrefilter: addToPrefiltersOrTransports( prefilters ), + ajaxTransport: addToPrefiltersOrTransports( transports ), + + // Main method + ajax: function( url, options ) { + + // If url is an object, simulate pre-1.5 signature + if ( typeof url === "object" ) { + options = url; + url = undefined; + } + + // Force options to be an object + options = options || {}; + + var transport, + + // URL without anti-cache param + cacheURL, + + // Response headers + responseHeadersString, + responseHeaders, + + // timeout handle + timeoutTimer, + + // Url cleanup var + urlAnchor, + + // Request state (becomes false upon send and true upon completion) + completed, + + // To know if global events are to be dispatched + fireGlobals, + + // Loop variable + i, + + // uncached part of the url + uncached, + + // Create the final options object + s = jQuery.ajaxSetup( {}, options ), + + // Callbacks context + callbackContext = s.context || s, + + // Context for global events is callbackContext if it is a DOM node or jQuery collection + globalEventContext = s.context && + ( callbackContext.nodeType || callbackContext.jquery ) ? + jQuery( callbackContext ) : + jQuery.event, + + // Deferreds + deferred = jQuery.Deferred(), + completeDeferred = jQuery.Callbacks( "once memory" ), + + // Status-dependent callbacks + statusCode = s.statusCode || {}, + + // Headers (they are sent all at once) + requestHeaders = {}, + requestHeadersNames = {}, + + // Default abort message + strAbort = "canceled", + + // Fake xhr + jqXHR = { + readyState: 0, + + // Builds headers hashtable if needed + getResponseHeader: function( key ) { + var match; + if ( completed ) { + if ( !responseHeaders ) { + responseHeaders = {}; + while ( ( match = rheaders.exec( responseHeadersString ) ) ) { + responseHeaders[ match[ 1 ].toLowerCase() + " " ] = + ( responseHeaders[ match[ 1 ].toLowerCase() + " " ] || [] ) + .concat( match[ 2 ] ); + } + } + match = responseHeaders[ key.toLowerCase() + " " ]; + } + return match == null ? null : match.join( ", " ); + }, + + // Raw string + getAllResponseHeaders: function() { + return completed ? responseHeadersString : null; + }, + + // Caches the header + setRequestHeader: function( name, value ) { + if ( completed == null ) { + name = requestHeadersNames[ name.toLowerCase() ] = + requestHeadersNames[ name.toLowerCase() ] || name; + requestHeaders[ name ] = value; + } + return this; + }, + + // Overrides response content-type header + overrideMimeType: function( type ) { + if ( completed == null ) { + s.mimeType = type; + } + return this; + }, + + // Status-dependent callbacks + statusCode: function( map ) { + var code; + if ( map ) { + if ( completed ) { + + // Execute the appropriate callbacks + jqXHR.always( map[ jqXHR.status ] ); + } else { + + // Lazy-add the new callbacks in a way that preserves old ones + for ( code in map ) { + statusCode[ code ] = [ statusCode[ code ], map[ code ] ]; + } + } + } + return this; + }, + + // Cancel the request + abort: function( statusText ) { + var finalText = statusText || strAbort; + if ( transport ) { + transport.abort( finalText ); + } + done( 0, finalText ); + return this; + } + }; + + // Attach deferreds + deferred.promise( jqXHR ); + + // Add protocol if not provided (prefilters might expect it) + // Handle falsy url in the settings object (trac-10093: consistency with old signature) + // We also use the url parameter if available + s.url = ( ( url || s.url || location.href ) + "" ) + .replace( rprotocol, location.protocol + "//" ); + + // Alias method option to type as per ticket trac-12004 + s.type = options.method || options.type || s.method || s.type; + + // Extract dataTypes list + s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ]; + + // A cross-domain request is in order when the origin doesn't match the current origin. + if ( s.crossDomain == null ) { + urlAnchor = document.createElement( "a" ); + + // Support: IE <=8 - 11, Edge 12 - 15 + // IE throws exception on accessing the href property if url is malformed, + // e.g. http://example.com:80x/ + try { + urlAnchor.href = s.url; + + // Support: IE <=8 - 11 only + // Anchor's host property isn't correctly set when s.url is relative + urlAnchor.href = urlAnchor.href; + s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !== + urlAnchor.protocol + "//" + urlAnchor.host; + } catch ( e ) { + + // If there is an error parsing the URL, assume it is crossDomain, + // it can be rejected by the transport if it is invalid + s.crossDomain = true; + } + } + + // Convert data if not already a string + if ( s.data && s.processData && typeof s.data !== "string" ) { + s.data = jQuery.param( s.data, s.traditional ); + } + + // Apply prefilters + inspectPrefiltersOrTransports( prefilters, s, options, jqXHR ); + + // If request was aborted inside a prefilter, stop there + if ( completed ) { + return jqXHR; + } + + // We can fire global events as of now if asked to + // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (trac-15118) + fireGlobals = jQuery.event && s.global; + + // Watch for a new set of requests + if ( fireGlobals && jQuery.active++ === 0 ) { + jQuery.event.trigger( "ajaxStart" ); + } + + // Uppercase the type + s.type = s.type.toUpperCase(); + + // Determine if request has content + s.hasContent = !rnoContent.test( s.type ); + + // Save the URL in case we're toying with the If-Modified-Since + // and/or If-None-Match header later on + // Remove hash to simplify url manipulation + cacheURL = s.url.replace( rhash, "" ); + + // More options handling for requests with no content + if ( !s.hasContent ) { + + // Remember the hash so we can put it back + uncached = s.url.slice( cacheURL.length ); + + // If data is available and should be processed, append data to url + if ( s.data && ( s.processData || typeof s.data === "string" ) ) { + cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data; + + // trac-9682: remove data so that it's not used in an eventual retry + delete s.data; + } + + // Add or update anti-cache param if needed + if ( s.cache === false ) { + cacheURL = cacheURL.replace( rantiCache, "$1" ); + uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce.guid++ ) + + uncached; + } + + // Put hash and anti-cache on the URL that will be requested (gh-1732) + s.url = cacheURL + uncached; + + // Change '%20' to '+' if this is encoded form body content (gh-2658) + } else if ( s.data && s.processData && + ( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) { + s.data = s.data.replace( r20, "+" ); + } + + // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. + if ( s.ifModified ) { + if ( jQuery.lastModified[ cacheURL ] ) { + jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] ); + } + if ( jQuery.etag[ cacheURL ] ) { + jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] ); + } + } + + // Set the correct header, if data is being sent + if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) { + jqXHR.setRequestHeader( "Content-Type", s.contentType ); + } + + // Set the Accepts header for the server, depending on the dataType + jqXHR.setRequestHeader( + "Accept", + s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ? + s.accepts[ s.dataTypes[ 0 ] ] + + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) : + s.accepts[ "*" ] + ); + + // Check for headers option + for ( i in s.headers ) { + jqXHR.setRequestHeader( i, s.headers[ i ] ); + } + + // Allow custom headers/mimetypes and early abort + if ( s.beforeSend && + ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) { + + // Abort if not done already and return + return jqXHR.abort(); + } + + // Aborting is no longer a cancellation + strAbort = "abort"; + + // Install callbacks on deferreds + completeDeferred.add( s.complete ); + jqXHR.done( s.success ); + jqXHR.fail( s.error ); + + // Get transport + transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR ); + + // If no transport, we auto-abort + if ( !transport ) { + done( -1, "No Transport" ); + } else { + jqXHR.readyState = 1; + + // Send global event + if ( fireGlobals ) { + globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] ); + } + + // If request was aborted inside ajaxSend, stop there + if ( completed ) { + return jqXHR; + } + + // Timeout + if ( s.async && s.timeout > 0 ) { + timeoutTimer = window.setTimeout( function() { + jqXHR.abort( "timeout" ); + }, s.timeout ); + } + + try { + completed = false; + transport.send( requestHeaders, done ); + } catch ( e ) { + + // Rethrow post-completion exceptions + if ( completed ) { + throw e; + } + + // Propagate others as results + done( -1, e ); + } + } + + // Callback for when everything is done + function done( status, nativeStatusText, responses, headers ) { + var isSuccess, success, error, response, modified, + statusText = nativeStatusText; + + // Ignore repeat invocations + if ( completed ) { + return; + } + + completed = true; + + // Clear timeout if it exists + if ( timeoutTimer ) { + window.clearTimeout( timeoutTimer ); + } + + // Dereference transport for early garbage collection + // (no matter how long the jqXHR object will be used) + transport = undefined; + + // Cache response headers + responseHeadersString = headers || ""; + + // Set readyState + jqXHR.readyState = status > 0 ? 4 : 0; + + // Determine if successful + isSuccess = status >= 200 && status < 300 || status === 304; + + // Get response data + if ( responses ) { + response = ajaxHandleResponses( s, jqXHR, responses ); + } + + // Use a noop converter for missing script but not if jsonp + if ( !isSuccess && + jQuery.inArray( "script", s.dataTypes ) > -1 && + jQuery.inArray( "json", s.dataTypes ) < 0 ) { + s.converters[ "text script" ] = function() {}; + } + + // Convert no matter what (that way responseXXX fields are always set) + response = ajaxConvert( s, response, jqXHR, isSuccess ); + + // If successful, handle type chaining + if ( isSuccess ) { + + // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. + if ( s.ifModified ) { + modified = jqXHR.getResponseHeader( "Last-Modified" ); + if ( modified ) { + jQuery.lastModified[ cacheURL ] = modified; + } + modified = jqXHR.getResponseHeader( "etag" ); + if ( modified ) { + jQuery.etag[ cacheURL ] = modified; + } + } + + // if no content + if ( status === 204 || s.type === "HEAD" ) { + statusText = "nocontent"; + + // if not modified + } else if ( status === 304 ) { + statusText = "notmodified"; + + // If we have data, let's convert it + } else { + statusText = response.state; + success = response.data; + error = response.error; + isSuccess = !error; + } + } else { + + // Extract error from statusText and normalize for non-aborts + error = statusText; + if ( status || !statusText ) { + statusText = "error"; + if ( status < 0 ) { + status = 0; + } + } + } + + // Set data for the fake xhr object + jqXHR.status = status; + jqXHR.statusText = ( nativeStatusText || statusText ) + ""; + + // Success/Error + if ( isSuccess ) { + deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] ); + } else { + deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] ); + } + + // Status-dependent callbacks + jqXHR.statusCode( statusCode ); + statusCode = undefined; + + if ( fireGlobals ) { + globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError", + [ jqXHR, s, isSuccess ? success : error ] ); + } + + // Complete + completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] ); + + if ( fireGlobals ) { + globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] ); + + // Handle the global AJAX counter + if ( !( --jQuery.active ) ) { + jQuery.event.trigger( "ajaxStop" ); + } + } + } + + return jqXHR; + }, + + getJSON: function( url, data, callback ) { + return jQuery.get( url, data, callback, "json" ); + }, + + getScript: function( url, callback ) { + return jQuery.get( url, undefined, callback, "script" ); + } +} ); + +jQuery.each( [ "get", "post" ], function( _i, method ) { + jQuery[ method ] = function( url, data, callback, type ) { + + // Shift arguments if data argument was omitted + if ( isFunction( data ) ) { + type = type || callback; + callback = data; + data = undefined; + } + + // The url can be an options object (which then must have .url) + return jQuery.ajax( jQuery.extend( { + url: url, + type: method, + dataType: type, + data: data, + success: callback + }, jQuery.isPlainObject( url ) && url ) ); + }; +} ); + +jQuery.ajaxPrefilter( function( s ) { + var i; + for ( i in s.headers ) { + if ( i.toLowerCase() === "content-type" ) { + s.contentType = s.headers[ i ] || ""; + } + } +} ); + + +jQuery._evalUrl = function( url, options, doc ) { + return jQuery.ajax( { + url: url, + + // Make this explicit, since user can override this through ajaxSetup (trac-11264) + type: "GET", + dataType: "script", + cache: true, + async: false, + global: false, + + // Only evaluate the response if it is successful (gh-4126) + // dataFilter is not invoked for failure responses, so using it instead + // of the default converter is kludgy but it works. + converters: { + "text script": function() {} + }, + dataFilter: function( response ) { + jQuery.globalEval( response, options, doc ); + } + } ); +}; + + +jQuery.fn.extend( { + wrapAll: function( html ) { + var wrap; + + if ( this[ 0 ] ) { + if ( isFunction( html ) ) { + html = html.call( this[ 0 ] ); + } + + // The elements to wrap the target around + wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true ); + + if ( this[ 0 ].parentNode ) { + wrap.insertBefore( this[ 0 ] ); + } + + wrap.map( function() { + var elem = this; + + while ( elem.firstElementChild ) { + elem = elem.firstElementChild; + } + + return elem; + } ).append( this ); + } + + return this; + }, + + wrapInner: function( html ) { + if ( isFunction( html ) ) { + return this.each( function( i ) { + jQuery( this ).wrapInner( html.call( this, i ) ); + } ); + } + + return this.each( function() { + var self = jQuery( this ), + contents = self.contents(); + + if ( contents.length ) { + contents.wrapAll( html ); + + } else { + self.append( html ); + } + } ); + }, + + wrap: function( html ) { + var htmlIsFunction = isFunction( html ); + + return this.each( function( i ) { + jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html ); + } ); + }, + + unwrap: function( selector ) { + this.parent( selector ).not( "body" ).each( function() { + jQuery( this ).replaceWith( this.childNodes ); + } ); + return this; + } +} ); + + +jQuery.expr.pseudos.hidden = function( elem ) { + return !jQuery.expr.pseudos.visible( elem ); +}; +jQuery.expr.pseudos.visible = function( elem ) { + return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length ); +}; + + + + +jQuery.ajaxSettings.xhr = function() { + try { + return new window.XMLHttpRequest(); + } catch ( e ) {} +}; + +var xhrSuccessStatus = { + + // File protocol always yields status code 0, assume 200 + 0: 200, + + // Support: IE <=9 only + // trac-1450: sometimes IE returns 1223 when it should be 204 + 1223: 204 + }, + xhrSupported = jQuery.ajaxSettings.xhr(); + +support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported ); +support.ajax = xhrSupported = !!xhrSupported; + +jQuery.ajaxTransport( function( options ) { + var callback, errorCallback; + + // Cross domain only allowed if supported through XMLHttpRequest + if ( support.cors || xhrSupported && !options.crossDomain ) { + return { + send: function( headers, complete ) { + var i, + xhr = options.xhr(); + + xhr.open( + options.type, + options.url, + options.async, + options.username, + options.password + ); + + // Apply custom fields if provided + if ( options.xhrFields ) { + for ( i in options.xhrFields ) { + xhr[ i ] = options.xhrFields[ i ]; + } + } + + // Override mime type if needed + if ( options.mimeType && xhr.overrideMimeType ) { + xhr.overrideMimeType( options.mimeType ); + } + + // X-Requested-With header + // For cross-domain requests, seeing as conditions for a preflight are + // akin to a jigsaw puzzle, we simply never set it to be sure. + // (it can always be set on a per-request basis or even using ajaxSetup) + // For same-domain requests, won't change header if already provided. + if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) { + headers[ "X-Requested-With" ] = "XMLHttpRequest"; + } + + // Set headers + for ( i in headers ) { + xhr.setRequestHeader( i, headers[ i ] ); + } + + // Callback + callback = function( type ) { + return function() { + if ( callback ) { + callback = errorCallback = xhr.onload = + xhr.onerror = xhr.onabort = xhr.ontimeout = + xhr.onreadystatechange = null; + + if ( type === "abort" ) { + xhr.abort(); + } else if ( type === "error" ) { + + // Support: IE <=9 only + // On a manual native abort, IE9 throws + // errors on any property access that is not readyState + if ( typeof xhr.status !== "number" ) { + complete( 0, "error" ); + } else { + complete( + + // File: protocol always yields status 0; see trac-8605, trac-14207 + xhr.status, + xhr.statusText + ); + } + } else { + complete( + xhrSuccessStatus[ xhr.status ] || xhr.status, + xhr.statusText, + + // Support: IE <=9 only + // IE9 has no XHR2 but throws on binary (trac-11426) + // For XHR2 non-text, let the caller handle it (gh-2498) + ( xhr.responseType || "text" ) !== "text" || + typeof xhr.responseText !== "string" ? + { binary: xhr.response } : + { text: xhr.responseText }, + xhr.getAllResponseHeaders() + ); + } + } + }; + }; + + // Listen to events + xhr.onload = callback(); + errorCallback = xhr.onerror = xhr.ontimeout = callback( "error" ); + + // Support: IE 9 only + // Use onreadystatechange to replace onabort + // to handle uncaught aborts + if ( xhr.onabort !== undefined ) { + xhr.onabort = errorCallback; + } else { + xhr.onreadystatechange = function() { + + // Check readyState before timeout as it changes + if ( xhr.readyState === 4 ) { + + // Allow onerror to be called first, + // but that will not handle a native abort + // Also, save errorCallback to a variable + // as xhr.onerror cannot be accessed + window.setTimeout( function() { + if ( callback ) { + errorCallback(); + } + } ); + } + }; + } + + // Create the abort callback + callback = callback( "abort" ); + + try { + + // Do send the request (this may raise an exception) + xhr.send( options.hasContent && options.data || null ); + } catch ( e ) { + + // trac-14683: Only rethrow if this hasn't been notified as an error yet + if ( callback ) { + throw e; + } + } + }, + + abort: function() { + if ( callback ) { + callback(); + } + } + }; + } +} ); + + + + +// Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432) +jQuery.ajaxPrefilter( function( s ) { + if ( s.crossDomain ) { + s.contents.script = false; + } +} ); + +// Install script dataType +jQuery.ajaxSetup( { + accepts: { + script: "text/javascript, application/javascript, " + + "application/ecmascript, application/x-ecmascript" + }, + contents: { + script: /\b(?:java|ecma)script\b/ + }, + converters: { + "text script": function( text ) { + jQuery.globalEval( text ); + return text; + } + } +} ); + +// Handle cache's special case and crossDomain +jQuery.ajaxPrefilter( "script", function( s ) { + if ( s.cache === undefined ) { + s.cache = false; + } + if ( s.crossDomain ) { + s.type = "GET"; + } +} ); + +// Bind script tag hack transport +jQuery.ajaxTransport( "script", function( s ) { + + // This transport only deals with cross domain or forced-by-attrs requests + if ( s.crossDomain || s.scriptAttrs ) { + var script, callback; + return { + send: function( _, complete ) { + script = jQuery( "'); +var startScriptSrc = stringToPrecomputedChunk(''); +/** + * This escaping function is designed to work with bootstrapScriptContent only. + * because we know we are escaping the entire script. We can avoid for instance + * escaping html comment string sequences that are valid javascript as well because + * if there are no sebsequent '); +function writeCompletedSegmentInstruction(destination, responseState, contentSegmentID) { + writeChunk(destination, responseState.startInlineScript); + + if (!responseState.sentCompleteSegmentFunction) { + // The first time we write this, we'll need to include the full implementation. + responseState.sentCompleteSegmentFunction = true; + writeChunk(destination, completeSegmentScript1Full); + } else { + // Future calls can just reuse the same function. + writeChunk(destination, completeSegmentScript1Partial); + } + + writeChunk(destination, responseState.segmentPrefix); + var formattedID = stringToChunk(contentSegmentID.toString(16)); + writeChunk(destination, formattedID); + writeChunk(destination, completeSegmentScript2); + writeChunk(destination, responseState.placeholderPrefix); + writeChunk(destination, formattedID); + return writeChunkAndReturn(destination, completeSegmentScript3); +} +var completeBoundaryScript1Full = stringToPrecomputedChunk(completeBoundaryFunction + ';$RC("'); +var completeBoundaryScript1Partial = stringToPrecomputedChunk('$RC("'); +var completeBoundaryScript2 = stringToPrecomputedChunk('","'); +var completeBoundaryScript3 = stringToPrecomputedChunk('")'); +function writeCompletedBoundaryInstruction(destination, responseState, boundaryID, contentSegmentID) { + writeChunk(destination, responseState.startInlineScript); + + if (!responseState.sentCompleteBoundaryFunction) { + // The first time we write this, we'll need to include the full implementation. + responseState.sentCompleteBoundaryFunction = true; + writeChunk(destination, completeBoundaryScript1Full); + } else { + // Future calls can just reuse the same function. + writeChunk(destination, completeBoundaryScript1Partial); + } + + if (boundaryID === null) { + throw new Error('An ID must have been assigned before we can complete the boundary.'); + } + + var formattedContentID = stringToChunk(contentSegmentID.toString(16)); + writeChunk(destination, boundaryID); + writeChunk(destination, completeBoundaryScript2); + writeChunk(destination, responseState.segmentPrefix); + writeChunk(destination, formattedContentID); + return writeChunkAndReturn(destination, completeBoundaryScript3); +} +var clientRenderScript1Full = stringToPrecomputedChunk(clientRenderFunction + ';$RX("'); +var clientRenderScript1Partial = stringToPrecomputedChunk('$RX("'); +var clientRenderScript1A = stringToPrecomputedChunk('"'); +var clientRenderScript2 = stringToPrecomputedChunk(')'); +var clientRenderErrorScriptArgInterstitial = stringToPrecomputedChunk(','); +function writeClientRenderBoundaryInstruction(destination, responseState, boundaryID, errorDigest, errorMessage, errorComponentStack) { + writeChunk(destination, responseState.startInlineScript); + + if (!responseState.sentClientRenderFunction) { + // The first time we write this, we'll need to include the full implementation. + responseState.sentClientRenderFunction = true; + writeChunk(destination, clientRenderScript1Full); + } else { + // Future calls can just reuse the same function. + writeChunk(destination, clientRenderScript1Partial); + } + + if (boundaryID === null) { + throw new Error('An ID must have been assigned before we can complete the boundary.'); + } + + writeChunk(destination, boundaryID); + writeChunk(destination, clientRenderScript1A); + + if (errorDigest || errorMessage || errorComponentStack) { + writeChunk(destination, clientRenderErrorScriptArgInterstitial); + writeChunk(destination, stringToChunk(escapeJSStringsForInstructionScripts(errorDigest || ''))); + } + + if (errorMessage || errorComponentStack) { + writeChunk(destination, clientRenderErrorScriptArgInterstitial); + writeChunk(destination, stringToChunk(escapeJSStringsForInstructionScripts(errorMessage || ''))); + } + + if (errorComponentStack) { + writeChunk(destination, clientRenderErrorScriptArgInterstitial); + writeChunk(destination, stringToChunk(escapeJSStringsForInstructionScripts(errorComponentStack))); + } + + return writeChunkAndReturn(destination, clientRenderScript2); +} +var regexForJSStringsInScripts = /[<\u2028\u2029]/g; + +function escapeJSStringsForInstructionScripts(input) { + var escaped = JSON.stringify(input); + return escaped.replace(regexForJSStringsInScripts, function (match) { + switch (match) { + // santizing breaking out of strings and script tags + case '<': + return "\\u003c"; + + case "\u2028": + return "\\u2028"; + + case "\u2029": + return "\\u2029"; + + default: + { + // eslint-disable-next-line react-internal/prod-error-codes + throw new Error('escapeJSStringsForInstructionScripts encountered a match it does not know how to replace. this means the match regex and the replacement characters are no longer in sync. This is a bug in React'); + } + } + }); +} + +function createResponseState$1(generateStaticMarkup, identifierPrefix) { + var responseState = createResponseState(identifierPrefix, undefined); + return { + // Keep this in sync with ReactDOMServerFormatConfig + bootstrapChunks: responseState.bootstrapChunks, + startInlineScript: responseState.startInlineScript, + placeholderPrefix: responseState.placeholderPrefix, + segmentPrefix: responseState.segmentPrefix, + boundaryPrefix: responseState.boundaryPrefix, + idPrefix: responseState.idPrefix, + nextSuspenseID: responseState.nextSuspenseID, + sentCompleteSegmentFunction: responseState.sentCompleteSegmentFunction, + sentCompleteBoundaryFunction: responseState.sentCompleteBoundaryFunction, + sentClientRenderFunction: responseState.sentClientRenderFunction, + // This is an extra field for the legacy renderer + generateStaticMarkup: generateStaticMarkup + }; +} +function createRootFormatContext() { + return { + insertionMode: HTML_MODE, + // We skip the root mode because we don't want to emit the DOCTYPE in legacy mode. + selectedValue: null + }; +} +function pushTextInstance$1(target, text, responseState, textEmbedded) { + if (responseState.generateStaticMarkup) { + target.push(stringToChunk(escapeTextForBrowser(text))); + return false; + } else { + return pushTextInstance(target, text, responseState, textEmbedded); + } +} +function pushSegmentFinale$1(target, responseState, lastPushedText, textEmbedded) { + if (responseState.generateStaticMarkup) { + return; + } else { + return pushSegmentFinale(target, responseState, lastPushedText, textEmbedded); + } +} +function writeStartCompletedSuspenseBoundary$1(destination, responseState) { + if (responseState.generateStaticMarkup) { + // A completed boundary is done and doesn't need a representation in the HTML + // if we're not going to be hydrating it. + return true; + } + + return writeStartCompletedSuspenseBoundary(destination); +} +function writeStartClientRenderedSuspenseBoundary$1(destination, responseState, // flushing these error arguments are not currently supported in this legacy streaming format. +errorDigest, errorMessage, errorComponentStack) { + if (responseState.generateStaticMarkup) { + // A client rendered boundary is done and doesn't need a representation in the HTML + // since we'll never hydrate it. This is arguably an error in static generation. + return true; + } + + return writeStartClientRenderedSuspenseBoundary(destination, responseState, errorDigest, errorMessage, errorComponentStack); +} +function writeEndCompletedSuspenseBoundary$1(destination, responseState) { + if (responseState.generateStaticMarkup) { + return true; + } + + return writeEndCompletedSuspenseBoundary(destination); +} +function writeEndClientRenderedSuspenseBoundary$1(destination, responseState) { + if (responseState.generateStaticMarkup) { + return true; + } + + return writeEndClientRenderedSuspenseBoundary(destination); +} + +var assign = Object.assign; + +// ATTENTION +// When adding new symbols to this file, +// Please consider also adding to 'react-devtools-shared/src/backend/ReactSymbols' +// The Symbol used to tag the ReactElement-like types. +var REACT_ELEMENT_TYPE = Symbol.for('react.element'); +var REACT_PORTAL_TYPE = Symbol.for('react.portal'); +var REACT_FRAGMENT_TYPE = Symbol.for('react.fragment'); +var REACT_STRICT_MODE_TYPE = Symbol.for('react.strict_mode'); +var REACT_PROFILER_TYPE = Symbol.for('react.profiler'); +var REACT_PROVIDER_TYPE = Symbol.for('react.provider'); +var REACT_CONTEXT_TYPE = Symbol.for('react.context'); +var REACT_FORWARD_REF_TYPE = Symbol.for('react.forward_ref'); +var REACT_SUSPENSE_TYPE = Symbol.for('react.suspense'); +var REACT_SUSPENSE_LIST_TYPE = Symbol.for('react.suspense_list'); +var REACT_MEMO_TYPE = Symbol.for('react.memo'); +var REACT_LAZY_TYPE = Symbol.for('react.lazy'); +var REACT_SCOPE_TYPE = Symbol.for('react.scope'); +var REACT_DEBUG_TRACING_MODE_TYPE = Symbol.for('react.debug_trace_mode'); +var REACT_LEGACY_HIDDEN_TYPE = Symbol.for('react.legacy_hidden'); +var REACT_SERVER_CONTEXT_DEFAULT_VALUE_NOT_LOADED = Symbol.for('react.default_value'); +var MAYBE_ITERATOR_SYMBOL = Symbol.iterator; +var FAUX_ITERATOR_SYMBOL = '@@iterator'; +function getIteratorFn(maybeIterable) { + if (maybeIterable === null || typeof maybeIterable !== 'object') { + return null; + } + + var maybeIterator = MAYBE_ITERATOR_SYMBOL && maybeIterable[MAYBE_ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL]; + + if (typeof maybeIterator === 'function') { + return maybeIterator; + } + + return null; +} + +function getWrappedName(outerType, innerType, wrapperName) { + var displayName = outerType.displayName; + + if (displayName) { + return displayName; + } + + var functionName = innerType.displayName || innerType.name || ''; + return functionName !== '' ? wrapperName + "(" + functionName + ")" : wrapperName; +} // Keep in sync with react-reconciler/getComponentNameFromFiber + + +function getContextName(type) { + return type.displayName || 'Context'; +} // Note that the reconciler package should generally prefer to use getComponentNameFromFiber() instead. + + +function getComponentNameFromType(type) { + if (type == null) { + // Host root, text node or just invalid type. + return null; + } + + { + if (typeof type.tag === 'number') { + error('Received an unexpected object in getComponentNameFromType(). ' + 'This is likely a bug in React. Please file an issue.'); + } + } + + if (typeof type === 'function') { + return type.displayName || type.name || null; + } + + if (typeof type === 'string') { + return type; + } + + switch (type) { + case REACT_FRAGMENT_TYPE: + return 'Fragment'; + + case REACT_PORTAL_TYPE: + return 'Portal'; + + case REACT_PROFILER_TYPE: + return 'Profiler'; + + case REACT_STRICT_MODE_TYPE: + return 'StrictMode'; + + case REACT_SUSPENSE_TYPE: + return 'Suspense'; + + case REACT_SUSPENSE_LIST_TYPE: + return 'SuspenseList'; + + } + + if (typeof type === 'object') { + switch (type.$$typeof) { + case REACT_CONTEXT_TYPE: + var context = type; + return getContextName(context) + '.Consumer'; + + case REACT_PROVIDER_TYPE: + var provider = type; + return getContextName(provider._context) + '.Provider'; + + case REACT_FORWARD_REF_TYPE: + return getWrappedName(type, type.render, 'ForwardRef'); + + case REACT_MEMO_TYPE: + var outerName = type.displayName || null; + + if (outerName !== null) { + return outerName; + } + + return getComponentNameFromType(type.type) || 'Memo'; + + case REACT_LAZY_TYPE: + { + var lazyComponent = type; + var payload = lazyComponent._payload; + var init = lazyComponent._init; + + try { + return getComponentNameFromType(init(payload)); + } catch (x) { + return null; + } + } + + // eslint-disable-next-line no-fallthrough + } + } + + return null; +} + +// Helpers to patch console.logs to avoid logging during side-effect free +// replaying on render function. This currently only patches the object +// lazily which won't cover if the log function was extracted eagerly. +// We could also eagerly patch the method. +var disabledDepth = 0; +var prevLog; +var prevInfo; +var prevWarn; +var prevError; +var prevGroup; +var prevGroupCollapsed; +var prevGroupEnd; + +function disabledLog() {} + +disabledLog.__reactDisabledLog = true; +function disableLogs() { + { + if (disabledDepth === 0) { + /* eslint-disable react-internal/no-production-logging */ + prevLog = console.log; + prevInfo = console.info; + prevWarn = console.warn; + prevError = console.error; + prevGroup = console.group; + prevGroupCollapsed = console.groupCollapsed; + prevGroupEnd = console.groupEnd; // https://github.com/facebook/react/issues/19099 + + var props = { + configurable: true, + enumerable: true, + value: disabledLog, + writable: true + }; // $FlowFixMe Flow thinks console is immutable. + + Object.defineProperties(console, { + info: props, + log: props, + warn: props, + error: props, + group: props, + groupCollapsed: props, + groupEnd: props + }); + /* eslint-enable react-internal/no-production-logging */ + } + + disabledDepth++; + } +} +function reenableLogs() { + { + disabledDepth--; + + if (disabledDepth === 0) { + /* eslint-disable react-internal/no-production-logging */ + var props = { + configurable: true, + enumerable: true, + writable: true + }; // $FlowFixMe Flow thinks console is immutable. + + Object.defineProperties(console, { + log: assign({}, props, { + value: prevLog + }), + info: assign({}, props, { + value: prevInfo + }), + warn: assign({}, props, { + value: prevWarn + }), + error: assign({}, props, { + value: prevError + }), + group: assign({}, props, { + value: prevGroup + }), + groupCollapsed: assign({}, props, { + value: prevGroupCollapsed + }), + groupEnd: assign({}, props, { + value: prevGroupEnd + }) + }); + /* eslint-enable react-internal/no-production-logging */ + } + + if (disabledDepth < 0) { + error('disabledDepth fell below zero. ' + 'This is a bug in React. Please file an issue.'); + } + } +} + +var ReactCurrentDispatcher = ReactSharedInternals.ReactCurrentDispatcher; +var prefix; +function describeBuiltInComponentFrame(name, source, ownerFn) { + { + if (prefix === undefined) { + // Extract the VM specific prefix used by each line. + try { + throw Error(); + } catch (x) { + var match = x.stack.trim().match(/\n( *(at )?)/); + prefix = match && match[1] || ''; + } + } // We use the prefix to ensure our stacks line up with native stack frames. + + + return '\n' + prefix + name; + } +} +var reentry = false; +var componentFrameCache; + +{ + var PossiblyWeakMap = typeof WeakMap === 'function' ? WeakMap : Map; + componentFrameCache = new PossiblyWeakMap(); +} + +function describeNativeComponentFrame(fn, construct) { + // If something asked for a stack inside a fake render, it should get ignored. + if ( !fn || reentry) { + return ''; + } + + { + var frame = componentFrameCache.get(fn); + + if (frame !== undefined) { + return frame; + } + } + + var control; + reentry = true; + var previousPrepareStackTrace = Error.prepareStackTrace; // $FlowFixMe It does accept undefined. + + Error.prepareStackTrace = undefined; + var previousDispatcher; + + { + previousDispatcher = ReactCurrentDispatcher.current; // Set the dispatcher in DEV because this might be call in the render function + // for warnings. + + ReactCurrentDispatcher.current = null; + disableLogs(); + } + + try { + // This should throw. + if (construct) { + // Something should be setting the props in the constructor. + var Fake = function () { + throw Error(); + }; // $FlowFixMe + + + Object.defineProperty(Fake.prototype, 'props', { + set: function () { + // We use a throwing setter instead of frozen or non-writable props + // because that won't throw in a non-strict mode function. + throw Error(); + } + }); + + if (typeof Reflect === 'object' && Reflect.construct) { + // We construct a different control for this case to include any extra + // frames added by the construct call. + try { + Reflect.construct(Fake, []); + } catch (x) { + control = x; + } + + Reflect.construct(fn, [], Fake); + } else { + try { + Fake.call(); + } catch (x) { + control = x; + } + + fn.call(Fake.prototype); + } + } else { + try { + throw Error(); + } catch (x) { + control = x; + } + + fn(); + } + } catch (sample) { + // This is inlined manually because closure doesn't do it for us. + if (sample && control && typeof sample.stack === 'string') { + // This extracts the first frame from the sample that isn't also in the control. + // Skipping one frame that we assume is the frame that calls the two. + var sampleLines = sample.stack.split('\n'); + var controlLines = control.stack.split('\n'); + var s = sampleLines.length - 1; + var c = controlLines.length - 1; + + while (s >= 1 && c >= 0 && sampleLines[s] !== controlLines[c]) { + // We expect at least one stack frame to be shared. + // Typically this will be the root most one. However, stack frames may be + // cut off due to maximum stack limits. In this case, one maybe cut off + // earlier than the other. We assume that the sample is longer or the same + // and there for cut off earlier. So we should find the root most frame in + // the sample somewhere in the control. + c--; + } + + for (; s >= 1 && c >= 0; s--, c--) { + // Next we find the first one that isn't the same which should be the + // frame that called our sample function and the control. + if (sampleLines[s] !== controlLines[c]) { + // In V8, the first line is describing the message but other VMs don't. + // If we're about to return the first line, and the control is also on the same + // line, that's a pretty good indicator that our sample threw at same line as + // the control. I.e. before we entered the sample frame. So we ignore this result. + // This can happen if you passed a class to function component, or non-function. + if (s !== 1 || c !== 1) { + do { + s--; + c--; // We may still have similar intermediate frames from the construct call. + // The next one that isn't the same should be our match though. + + if (c < 0 || sampleLines[s] !== controlLines[c]) { + // V8 adds a "new" prefix for native classes. Let's remove it to make it prettier. + var _frame = '\n' + sampleLines[s].replace(' at new ', ' at '); // If our component frame is labeled "" + // but we have a user-provided "displayName" + // splice it in to make the stack more readable. + + + if (fn.displayName && _frame.includes('')) { + _frame = _frame.replace('', fn.displayName); + } + + { + if (typeof fn === 'function') { + componentFrameCache.set(fn, _frame); + } + } // Return the line we found. + + + return _frame; + } + } while (s >= 1 && c >= 0); + } + + break; + } + } + } + } finally { + reentry = false; + + { + ReactCurrentDispatcher.current = previousDispatcher; + reenableLogs(); + } + + Error.prepareStackTrace = previousPrepareStackTrace; + } // Fallback to just using the name if we couldn't make it throw. + + + var name = fn ? fn.displayName || fn.name : ''; + var syntheticFrame = name ? describeBuiltInComponentFrame(name) : ''; + + { + if (typeof fn === 'function') { + componentFrameCache.set(fn, syntheticFrame); + } + } + + return syntheticFrame; +} + +function describeClassComponentFrame(ctor, source, ownerFn) { + { + return describeNativeComponentFrame(ctor, true); + } +} +function describeFunctionComponentFrame(fn, source, ownerFn) { + { + return describeNativeComponentFrame(fn, false); + } +} + +function shouldConstruct(Component) { + var prototype = Component.prototype; + return !!(prototype && prototype.isReactComponent); +} + +function describeUnknownElementTypeFrameInDEV(type, source, ownerFn) { + + if (type == null) { + return ''; + } + + if (typeof type === 'function') { + { + return describeNativeComponentFrame(type, shouldConstruct(type)); + } + } + + if (typeof type === 'string') { + return describeBuiltInComponentFrame(type); + } + + switch (type) { + case REACT_SUSPENSE_TYPE: + return describeBuiltInComponentFrame('Suspense'); + + case REACT_SUSPENSE_LIST_TYPE: + return describeBuiltInComponentFrame('SuspenseList'); + } + + if (typeof type === 'object') { + switch (type.$$typeof) { + case REACT_FORWARD_REF_TYPE: + return describeFunctionComponentFrame(type.render); + + case REACT_MEMO_TYPE: + // Memo may contain any component type so we recursively resolve it. + return describeUnknownElementTypeFrameInDEV(type.type, source, ownerFn); + + case REACT_LAZY_TYPE: + { + var lazyComponent = type; + var payload = lazyComponent._payload; + var init = lazyComponent._init; + + try { + // Lazy may contain any component type so we recursively resolve it. + return describeUnknownElementTypeFrameInDEV(init(payload), source, ownerFn); + } catch (x) {} + } + } + } + + return ''; +} + +var loggedTypeFailures = {}; +var ReactDebugCurrentFrame = ReactSharedInternals.ReactDebugCurrentFrame; + +function setCurrentlyValidatingElement(element) { + { + if (element) { + var owner = element._owner; + var stack = describeUnknownElementTypeFrameInDEV(element.type, element._source, owner ? owner.type : null); + ReactDebugCurrentFrame.setExtraStackFrame(stack); + } else { + ReactDebugCurrentFrame.setExtraStackFrame(null); + } + } +} + +function checkPropTypes(typeSpecs, values, location, componentName, element) { + { + // $FlowFixMe This is okay but Flow doesn't know it. + var has = Function.call.bind(hasOwnProperty); + + for (var typeSpecName in typeSpecs) { + if (has(typeSpecs, typeSpecName)) { + var error$1 = void 0; // Prop type validation may throw. In case they do, we don't want to + // fail the render phase where it didn't fail before. So we log it. + // After these have been cleaned up, we'll let them throw. + + try { + // This is intentionally an invariant that gets caught. It's the same + // behavior as without this statement except with a better message. + if (typeof typeSpecs[typeSpecName] !== 'function') { + // eslint-disable-next-line react-internal/prod-error-codes + var err = Error((componentName || 'React class') + ': ' + location + ' type `' + typeSpecName + '` is invalid; ' + 'it must be a function, usually from the `prop-types` package, but received `' + typeof typeSpecs[typeSpecName] + '`.' + 'This often happens because of typos such as `PropTypes.function` instead of `PropTypes.func`.'); + err.name = 'Invariant Violation'; + throw err; + } + + error$1 = typeSpecs[typeSpecName](values, typeSpecName, componentName, location, null, 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED'); + } catch (ex) { + error$1 = ex; + } + + if (error$1 && !(error$1 instanceof Error)) { + setCurrentlyValidatingElement(element); + + error('%s: type specification of %s' + ' `%s` is invalid; the type checker ' + 'function must return `null` or an `Error` but returned a %s. ' + 'You may have forgotten to pass an argument to the type checker ' + 'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' + 'shape all require an argument).', componentName || 'React class', location, typeSpecName, typeof error$1); + + setCurrentlyValidatingElement(null); + } + + if (error$1 instanceof Error && !(error$1.message in loggedTypeFailures)) { + // Only monitor this failure once because there tends to be a lot of the + // same error. + loggedTypeFailures[error$1.message] = true; + setCurrentlyValidatingElement(element); + + error('Failed %s type: %s', location, error$1.message); + + setCurrentlyValidatingElement(null); + } + } + } + } +} + +var warnedAboutMissingGetChildContext; + +{ + warnedAboutMissingGetChildContext = {}; +} + +var emptyContextObject = {}; + +{ + Object.freeze(emptyContextObject); +} + +function getMaskedContext(type, unmaskedContext) { + { + var contextTypes = type.contextTypes; + + if (!contextTypes) { + return emptyContextObject; + } + + var context = {}; + + for (var key in contextTypes) { + context[key] = unmaskedContext[key]; + } + + { + var name = getComponentNameFromType(type) || 'Unknown'; + checkPropTypes(contextTypes, context, 'context', name); + } + + return context; + } +} +function processChildContext(instance, type, parentContext, childContextTypes) { + { + // TODO (bvaughn) Replace this behavior with an invariant() in the future. + // It has only been added in Fiber to match the (unintentional) behavior in Stack. + if (typeof instance.getChildContext !== 'function') { + { + var componentName = getComponentNameFromType(type) || 'Unknown'; + + if (!warnedAboutMissingGetChildContext[componentName]) { + warnedAboutMissingGetChildContext[componentName] = true; + + error('%s.childContextTypes is specified but there is no getChildContext() method ' + 'on the instance. You can either define getChildContext() on %s or remove ' + 'childContextTypes from it.', componentName, componentName); + } + } + + return parentContext; + } + + var childContext = instance.getChildContext(); + + for (var contextKey in childContext) { + if (!(contextKey in childContextTypes)) { + throw new Error((getComponentNameFromType(type) || 'Unknown') + ".getChildContext(): key \"" + contextKey + "\" is not defined in childContextTypes."); + } + } + + { + var name = getComponentNameFromType(type) || 'Unknown'; + checkPropTypes(childContextTypes, childContext, 'child context', name); + } + + return assign({}, parentContext, childContext); + } +} + +var rendererSigil; + +{ + // Use this to detect multiple renderers using the same context + rendererSigil = {}; +} // Used to store the parent path of all context overrides in a shared linked list. +// Forming a reverse tree. + + +var rootContextSnapshot = null; // We assume that this runtime owns the "current" field on all ReactContext instances. +// This global (actually thread local) state represents what state all those "current", +// fields are currently in. + +var currentActiveSnapshot = null; + +function popNode(prev) { + { + prev.context._currentValue2 = prev.parentValue; + } +} + +function pushNode(next) { + { + next.context._currentValue2 = next.value; + } +} + +function popToNearestCommonAncestor(prev, next) { + if (prev === next) ; else { + popNode(prev); + var parentPrev = prev.parent; + var parentNext = next.parent; + + if (parentPrev === null) { + if (parentNext !== null) { + throw new Error('The stacks must reach the root at the same time. This is a bug in React.'); + } + } else { + if (parentNext === null) { + throw new Error('The stacks must reach the root at the same time. This is a bug in React.'); + } + + popToNearestCommonAncestor(parentPrev, parentNext); + } // On the way back, we push the new ones that weren't common. + + + pushNode(next); + } +} + +function popAllPrevious(prev) { + popNode(prev); + var parentPrev = prev.parent; + + if (parentPrev !== null) { + popAllPrevious(parentPrev); + } +} + +function pushAllNext(next) { + var parentNext = next.parent; + + if (parentNext !== null) { + pushAllNext(parentNext); + } + + pushNode(next); +} + +function popPreviousToCommonLevel(prev, next) { + popNode(prev); + var parentPrev = prev.parent; + + if (parentPrev === null) { + throw new Error('The depth must equal at least at zero before reaching the root. This is a bug in React.'); + } + + if (parentPrev.depth === next.depth) { + // We found the same level. Now we just need to find a shared ancestor. + popToNearestCommonAncestor(parentPrev, next); + } else { + // We must still be deeper. + popPreviousToCommonLevel(parentPrev, next); + } +} + +function popNextToCommonLevel(prev, next) { + var parentNext = next.parent; + + if (parentNext === null) { + throw new Error('The depth must equal at least at zero before reaching the root. This is a bug in React.'); + } + + if (prev.depth === parentNext.depth) { + // We found the same level. Now we just need to find a shared ancestor. + popToNearestCommonAncestor(prev, parentNext); + } else { + // We must still be deeper. + popNextToCommonLevel(prev, parentNext); + } + + pushNode(next); +} // Perform context switching to the new snapshot. +// To make it cheap to read many contexts, while not suspending, we make the switch eagerly by +// updating all the context's current values. That way reads, always just read the current value. +// At the cost of updating contexts even if they're never read by this subtree. + + +function switchContext(newSnapshot) { + // The basic algorithm we need to do is to pop back any contexts that are no longer on the stack. + // We also need to update any new contexts that are now on the stack with the deepest value. + // The easiest way to update new contexts is to just reapply them in reverse order from the + // perspective of the backpointers. To avoid allocating a lot when switching, we use the stack + // for that. Therefore this algorithm is recursive. + // 1) First we pop which ever snapshot tree was deepest. Popping old contexts as we go. + // 2) Then we find the nearest common ancestor from there. Popping old contexts as we go. + // 3) Then we reapply new contexts on the way back up the stack. + var prev = currentActiveSnapshot; + var next = newSnapshot; + + if (prev !== next) { + if (prev === null) { + // $FlowFixMe: This has to be non-null since it's not equal to prev. + pushAllNext(next); + } else if (next === null) { + popAllPrevious(prev); + } else if (prev.depth === next.depth) { + popToNearestCommonAncestor(prev, next); + } else if (prev.depth > next.depth) { + popPreviousToCommonLevel(prev, next); + } else { + popNextToCommonLevel(prev, next); + } + + currentActiveSnapshot = next; + } +} +function pushProvider(context, nextValue) { + var prevValue; + + { + prevValue = context._currentValue2; + context._currentValue2 = nextValue; + + { + if (context._currentRenderer2 !== undefined && context._currentRenderer2 !== null && context._currentRenderer2 !== rendererSigil) { + error('Detected multiple renderers concurrently rendering the ' + 'same context provider. This is currently unsupported.'); + } + + context._currentRenderer2 = rendererSigil; + } + } + + var prevNode = currentActiveSnapshot; + var newNode = { + parent: prevNode, + depth: prevNode === null ? 0 : prevNode.depth + 1, + context: context, + parentValue: prevValue, + value: nextValue + }; + currentActiveSnapshot = newNode; + return newNode; +} +function popProvider(context) { + var prevSnapshot = currentActiveSnapshot; + + if (prevSnapshot === null) { + throw new Error('Tried to pop a Context at the root of the app. This is a bug in React.'); + } + + { + if (prevSnapshot.context !== context) { + error('The parent context is not the expected context. This is probably a bug in React.'); + } + } + + { + var _value = prevSnapshot.parentValue; + + if (_value === REACT_SERVER_CONTEXT_DEFAULT_VALUE_NOT_LOADED) { + prevSnapshot.context._currentValue2 = prevSnapshot.context._defaultValue; + } else { + prevSnapshot.context._currentValue2 = _value; + } + + { + if (context._currentRenderer2 !== undefined && context._currentRenderer2 !== null && context._currentRenderer2 !== rendererSigil) { + error('Detected multiple renderers concurrently rendering the ' + 'same context provider. This is currently unsupported.'); + } + + context._currentRenderer2 = rendererSigil; + } + } + + return currentActiveSnapshot = prevSnapshot.parent; +} +function getActiveContext() { + return currentActiveSnapshot; +} +function readContext(context) { + var value = context._currentValue2; + return value; +} + +/** + * `ReactInstanceMap` maintains a mapping from a public facing stateful + * instance (key) and the internal representation (value). This allows public + * methods to accept the user facing instance as an argument and map them back + * to internal methods. + * + * Note that this module is currently shared and assumed to be stateless. + * If this becomes an actual Map, that will break. + */ +function get(key) { + return key._reactInternals; +} +function set(key, value) { + key._reactInternals = value; +} + +var didWarnAboutNoopUpdateForComponent = {}; +var didWarnAboutDeprecatedWillMount = {}; +var didWarnAboutUninitializedState; +var didWarnAboutGetSnapshotBeforeUpdateWithoutDidUpdate; +var didWarnAboutLegacyLifecyclesAndDerivedState; +var didWarnAboutUndefinedDerivedState; +var warnOnUndefinedDerivedState; +var warnOnInvalidCallback; +var didWarnAboutDirectlyAssigningPropsToState; +var didWarnAboutContextTypeAndContextTypes; +var didWarnAboutInvalidateContextType; + +{ + didWarnAboutUninitializedState = new Set(); + didWarnAboutGetSnapshotBeforeUpdateWithoutDidUpdate = new Set(); + didWarnAboutLegacyLifecyclesAndDerivedState = new Set(); + didWarnAboutDirectlyAssigningPropsToState = new Set(); + didWarnAboutUndefinedDerivedState = new Set(); + didWarnAboutContextTypeAndContextTypes = new Set(); + didWarnAboutInvalidateContextType = new Set(); + var didWarnOnInvalidCallback = new Set(); + + warnOnInvalidCallback = function (callback, callerName) { + if (callback === null || typeof callback === 'function') { + return; + } + + var key = callerName + '_' + callback; + + if (!didWarnOnInvalidCallback.has(key)) { + didWarnOnInvalidCallback.add(key); + + error('%s(...): Expected the last optional `callback` argument to be a ' + 'function. Instead received: %s.', callerName, callback); + } + }; + + warnOnUndefinedDerivedState = function (type, partialState) { + if (partialState === undefined) { + var componentName = getComponentNameFromType(type) || 'Component'; + + if (!didWarnAboutUndefinedDerivedState.has(componentName)) { + didWarnAboutUndefinedDerivedState.add(componentName); + + error('%s.getDerivedStateFromProps(): A valid state object (or null) must be returned. ' + 'You have returned undefined.', componentName); + } + } + }; +} + +function warnNoop(publicInstance, callerName) { + { + var _constructor = publicInstance.constructor; + var componentName = _constructor && getComponentNameFromType(_constructor) || 'ReactClass'; + var warningKey = componentName + '.' + callerName; + + if (didWarnAboutNoopUpdateForComponent[warningKey]) { + return; + } + + error('%s(...): Can only update a mounting component. ' + 'This usually means you called %s() outside componentWillMount() on the server. ' + 'This is a no-op.\n\nPlease check the code for the %s component.', callerName, callerName, componentName); + + didWarnAboutNoopUpdateForComponent[warningKey] = true; + } +} + +var classComponentUpdater = { + isMounted: function (inst) { + return false; + }, + enqueueSetState: function (inst, payload, callback) { + var internals = get(inst); + + if (internals.queue === null) { + warnNoop(inst, 'setState'); + } else { + internals.queue.push(payload); + + { + if (callback !== undefined && callback !== null) { + warnOnInvalidCallback(callback, 'setState'); + } + } + } + }, + enqueueReplaceState: function (inst, payload, callback) { + var internals = get(inst); + internals.replace = true; + internals.queue = [payload]; + + { + if (callback !== undefined && callback !== null) { + warnOnInvalidCallback(callback, 'setState'); + } + } + }, + enqueueForceUpdate: function (inst, callback) { + var internals = get(inst); + + if (internals.queue === null) { + warnNoop(inst, 'forceUpdate'); + } else { + { + if (callback !== undefined && callback !== null) { + warnOnInvalidCallback(callback, 'setState'); + } + } + } + } +}; + +function applyDerivedStateFromProps(instance, ctor, getDerivedStateFromProps, prevState, nextProps) { + var partialState = getDerivedStateFromProps(nextProps, prevState); + + { + warnOnUndefinedDerivedState(ctor, partialState); + } // Merge the partial state and the previous state. + + + var newState = partialState === null || partialState === undefined ? prevState : assign({}, prevState, partialState); + return newState; +} + +function constructClassInstance(ctor, props, maskedLegacyContext) { + var context = emptyContextObject; + var contextType = ctor.contextType; + + { + if ('contextType' in ctor) { + var isValid = // Allow null for conditional declaration + contextType === null || contextType !== undefined && contextType.$$typeof === REACT_CONTEXT_TYPE && contextType._context === undefined; // Not a + + if (!isValid && !didWarnAboutInvalidateContextType.has(ctor)) { + didWarnAboutInvalidateContextType.add(ctor); + var addendum = ''; + + if (contextType === undefined) { + addendum = ' However, it is set to undefined. ' + 'This can be caused by a typo or by mixing up named and default imports. ' + 'This can also happen due to a circular dependency, so ' + 'try moving the createContext() call to a separate file.'; + } else if (typeof contextType !== 'object') { + addendum = ' However, it is set to a ' + typeof contextType + '.'; + } else if (contextType.$$typeof === REACT_PROVIDER_TYPE) { + addendum = ' Did you accidentally pass the Context.Provider instead?'; + } else if (contextType._context !== undefined) { + // + addendum = ' Did you accidentally pass the Context.Consumer instead?'; + } else { + addendum = ' However, it is set to an object with keys {' + Object.keys(contextType).join(', ') + '}.'; + } + + error('%s defines an invalid contextType. ' + 'contextType should point to the Context object returned by React.createContext().%s', getComponentNameFromType(ctor) || 'Component', addendum); + } + } + } + + if (typeof contextType === 'object' && contextType !== null) { + context = readContext(contextType); + } else { + context = maskedLegacyContext; + } + + var instance = new ctor(props, context); + + { + if (typeof ctor.getDerivedStateFromProps === 'function' && (instance.state === null || instance.state === undefined)) { + var componentName = getComponentNameFromType(ctor) || 'Component'; + + if (!didWarnAboutUninitializedState.has(componentName)) { + didWarnAboutUninitializedState.add(componentName); + + error('`%s` uses `getDerivedStateFromProps` but its initial state is ' + '%s. This is not recommended. Instead, define the initial state by ' + 'assigning an object to `this.state` in the constructor of `%s`. ' + 'This ensures that `getDerivedStateFromProps` arguments have a consistent shape.', componentName, instance.state === null ? 'null' : 'undefined', componentName); + } + } // If new component APIs are defined, "unsafe" lifecycles won't be called. + // Warn about these lifecycles if they are present. + // Don't warn about react-lifecycles-compat polyfilled methods though. + + + if (typeof ctor.getDerivedStateFromProps === 'function' || typeof instance.getSnapshotBeforeUpdate === 'function') { + var foundWillMountName = null; + var foundWillReceivePropsName = null; + var foundWillUpdateName = null; + + if (typeof instance.componentWillMount === 'function' && instance.componentWillMount.__suppressDeprecationWarning !== true) { + foundWillMountName = 'componentWillMount'; + } else if (typeof instance.UNSAFE_componentWillMount === 'function') { + foundWillMountName = 'UNSAFE_componentWillMount'; + } + + if (typeof instance.componentWillReceiveProps === 'function' && instance.componentWillReceiveProps.__suppressDeprecationWarning !== true) { + foundWillReceivePropsName = 'componentWillReceiveProps'; + } else if (typeof instance.UNSAFE_componentWillReceiveProps === 'function') { + foundWillReceivePropsName = 'UNSAFE_componentWillReceiveProps'; + } + + if (typeof instance.componentWillUpdate === 'function' && instance.componentWillUpdate.__suppressDeprecationWarning !== true) { + foundWillUpdateName = 'componentWillUpdate'; + } else if (typeof instance.UNSAFE_componentWillUpdate === 'function') { + foundWillUpdateName = 'UNSAFE_componentWillUpdate'; + } + + if (foundWillMountName !== null || foundWillReceivePropsName !== null || foundWillUpdateName !== null) { + var _componentName = getComponentNameFromType(ctor) || 'Component'; + + var newApiName = typeof ctor.getDerivedStateFromProps === 'function' ? 'getDerivedStateFromProps()' : 'getSnapshotBeforeUpdate()'; + + if (!didWarnAboutLegacyLifecyclesAndDerivedState.has(_componentName)) { + didWarnAboutLegacyLifecyclesAndDerivedState.add(_componentName); + + error('Unsafe legacy lifecycles will not be called for components using new component APIs.\n\n' + '%s uses %s but also contains the following legacy lifecycles:%s%s%s\n\n' + 'The above lifecycles should be removed. Learn more about this warning here:\n' + 'https://reactjs.org/link/unsafe-component-lifecycles', _componentName, newApiName, foundWillMountName !== null ? "\n " + foundWillMountName : '', foundWillReceivePropsName !== null ? "\n " + foundWillReceivePropsName : '', foundWillUpdateName !== null ? "\n " + foundWillUpdateName : ''); + } + } + } + } + + return instance; +} + +function checkClassInstance(instance, ctor, newProps) { + { + var name = getComponentNameFromType(ctor) || 'Component'; + var renderPresent = instance.render; + + if (!renderPresent) { + if (ctor.prototype && typeof ctor.prototype.render === 'function') { + error('%s(...): No `render` method found on the returned component ' + 'instance: did you accidentally return an object from the constructor?', name); + } else { + error('%s(...): No `render` method found on the returned component ' + 'instance: you may have forgotten to define `render`.', name); + } + } + + if (instance.getInitialState && !instance.getInitialState.isReactClassApproved && !instance.state) { + error('getInitialState was defined on %s, a plain JavaScript class. ' + 'This is only supported for classes created using React.createClass. ' + 'Did you mean to define a state property instead?', name); + } + + if (instance.getDefaultProps && !instance.getDefaultProps.isReactClassApproved) { + error('getDefaultProps was defined on %s, a plain JavaScript class. ' + 'This is only supported for classes created using React.createClass. ' + 'Use a static property to define defaultProps instead.', name); + } + + if (instance.propTypes) { + error('propTypes was defined as an instance property on %s. Use a static ' + 'property to define propTypes instead.', name); + } + + if (instance.contextType) { + error('contextType was defined as an instance property on %s. Use a static ' + 'property to define contextType instead.', name); + } + + { + if (instance.contextTypes) { + error('contextTypes was defined as an instance property on %s. Use a static ' + 'property to define contextTypes instead.', name); + } + + if (ctor.contextType && ctor.contextTypes && !didWarnAboutContextTypeAndContextTypes.has(ctor)) { + didWarnAboutContextTypeAndContextTypes.add(ctor); + + error('%s declares both contextTypes and contextType static properties. ' + 'The legacy contextTypes property will be ignored.', name); + } + } + + if (typeof instance.componentShouldUpdate === 'function') { + error('%s has a method called ' + 'componentShouldUpdate(). Did you mean shouldComponentUpdate()? ' + 'The name is phrased as a question because the function is ' + 'expected to return a value.', name); + } + + if (ctor.prototype && ctor.prototype.isPureReactComponent && typeof instance.shouldComponentUpdate !== 'undefined') { + error('%s has a method called shouldComponentUpdate(). ' + 'shouldComponentUpdate should not be used when extending React.PureComponent. ' + 'Please extend React.Component if shouldComponentUpdate is used.', getComponentNameFromType(ctor) || 'A pure component'); + } + + if (typeof instance.componentDidUnmount === 'function') { + error('%s has a method called ' + 'componentDidUnmount(). But there is no such lifecycle method. ' + 'Did you mean componentWillUnmount()?', name); + } + + if (typeof instance.componentDidReceiveProps === 'function') { + error('%s has a method called ' + 'componentDidReceiveProps(). But there is no such lifecycle method. ' + 'If you meant to update the state in response to changing props, ' + 'use componentWillReceiveProps(). If you meant to fetch data or ' + 'run side-effects or mutations after React has updated the UI, use componentDidUpdate().', name); + } + + if (typeof instance.componentWillRecieveProps === 'function') { + error('%s has a method called ' + 'componentWillRecieveProps(). Did you mean componentWillReceiveProps()?', name); + } + + if (typeof instance.UNSAFE_componentWillRecieveProps === 'function') { + error('%s has a method called ' + 'UNSAFE_componentWillRecieveProps(). Did you mean UNSAFE_componentWillReceiveProps()?', name); + } + + var hasMutatedProps = instance.props !== newProps; + + if (instance.props !== undefined && hasMutatedProps) { + error('%s(...): When calling super() in `%s`, make sure to pass ' + "up the same props that your component's constructor was passed.", name, name); + } + + if (instance.defaultProps) { + error('Setting defaultProps as an instance property on %s is not supported and will be ignored.' + ' Instead, define defaultProps as a static property on %s.', name, name); + } + + if (typeof instance.getSnapshotBeforeUpdate === 'function' && typeof instance.componentDidUpdate !== 'function' && !didWarnAboutGetSnapshotBeforeUpdateWithoutDidUpdate.has(ctor)) { + didWarnAboutGetSnapshotBeforeUpdateWithoutDidUpdate.add(ctor); + + error('%s: getSnapshotBeforeUpdate() should be used with componentDidUpdate(). ' + 'This component defines getSnapshotBeforeUpdate() only.', getComponentNameFromType(ctor)); + } + + if (typeof instance.getDerivedStateFromProps === 'function') { + error('%s: getDerivedStateFromProps() is defined as an instance method ' + 'and will be ignored. Instead, declare it as a static method.', name); + } + + if (typeof instance.getDerivedStateFromError === 'function') { + error('%s: getDerivedStateFromError() is defined as an instance method ' + 'and will be ignored. Instead, declare it as a static method.', name); + } + + if (typeof ctor.getSnapshotBeforeUpdate === 'function') { + error('%s: getSnapshotBeforeUpdate() is defined as a static method ' + 'and will be ignored. Instead, declare it as an instance method.', name); + } + + var _state = instance.state; + + if (_state && (typeof _state !== 'object' || isArray(_state))) { + error('%s.state: must be set to an object or null', name); + } + + if (typeof instance.getChildContext === 'function' && typeof ctor.childContextTypes !== 'object') { + error('%s.getChildContext(): childContextTypes must be defined in order to ' + 'use getChildContext().', name); + } + } +} + +function callComponentWillMount(type, instance) { + var oldState = instance.state; + + if (typeof instance.componentWillMount === 'function') { + { + if ( instance.componentWillMount.__suppressDeprecationWarning !== true) { + var componentName = getComponentNameFromType(type) || 'Unknown'; + + if (!didWarnAboutDeprecatedWillMount[componentName]) { + warn( // keep this warning in sync with ReactStrictModeWarning.js + 'componentWillMount has been renamed, and is not recommended for use. ' + 'See https://reactjs.org/link/unsafe-component-lifecycles for details.\n\n' + '* Move code from componentWillMount to componentDidMount (preferred in most cases) ' + 'or the constructor.\n' + '\nPlease update the following components: %s', componentName); + + didWarnAboutDeprecatedWillMount[componentName] = true; + } + } + } + + instance.componentWillMount(); + } + + if (typeof instance.UNSAFE_componentWillMount === 'function') { + instance.UNSAFE_componentWillMount(); + } + + if (oldState !== instance.state) { + { + error('%s.componentWillMount(): Assigning directly to this.state is ' + "deprecated (except inside a component's " + 'constructor). Use setState instead.', getComponentNameFromType(type) || 'Component'); + } + + classComponentUpdater.enqueueReplaceState(instance, instance.state, null); + } +} + +function processUpdateQueue(internalInstance, inst, props, maskedLegacyContext) { + if (internalInstance.queue !== null && internalInstance.queue.length > 0) { + var oldQueue = internalInstance.queue; + var oldReplace = internalInstance.replace; + internalInstance.queue = null; + internalInstance.replace = false; + + if (oldReplace && oldQueue.length === 1) { + inst.state = oldQueue[0]; + } else { + var nextState = oldReplace ? oldQueue[0] : inst.state; + var dontMutate = true; + + for (var i = oldReplace ? 1 : 0; i < oldQueue.length; i++) { + var partial = oldQueue[i]; + var partialState = typeof partial === 'function' ? partial.call(inst, nextState, props, maskedLegacyContext) : partial; + + if (partialState != null) { + if (dontMutate) { + dontMutate = false; + nextState = assign({}, nextState, partialState); + } else { + assign(nextState, partialState); + } + } + } + + inst.state = nextState; + } + } else { + internalInstance.queue = null; + } +} // Invokes the mount life-cycles on a previously never rendered instance. + + +function mountClassInstance(instance, ctor, newProps, maskedLegacyContext) { + { + checkClassInstance(instance, ctor, newProps); + } + + var initialState = instance.state !== undefined ? instance.state : null; + instance.updater = classComponentUpdater; + instance.props = newProps; + instance.state = initialState; // We don't bother initializing the refs object on the server, since we're not going to resolve them anyway. + // The internal instance will be used to manage updates that happen during this mount. + + var internalInstance = { + queue: [], + replace: false + }; + set(instance, internalInstance); + var contextType = ctor.contextType; + + if (typeof contextType === 'object' && contextType !== null) { + instance.context = readContext(contextType); + } else { + instance.context = maskedLegacyContext; + } + + { + if (instance.state === newProps) { + var componentName = getComponentNameFromType(ctor) || 'Component'; + + if (!didWarnAboutDirectlyAssigningPropsToState.has(componentName)) { + didWarnAboutDirectlyAssigningPropsToState.add(componentName); + + error('%s: It is not recommended to assign props directly to state ' + "because updates to props won't be reflected in state. " + 'In most cases, it is better to use props directly.', componentName); + } + } + } + + var getDerivedStateFromProps = ctor.getDerivedStateFromProps; + + if (typeof getDerivedStateFromProps === 'function') { + instance.state = applyDerivedStateFromProps(instance, ctor, getDerivedStateFromProps, initialState, newProps); + } // In order to support react-lifecycles-compat polyfilled components, + // Unsafe lifecycles should not be invoked for components using the new APIs. + + + if (typeof ctor.getDerivedStateFromProps !== 'function' && typeof instance.getSnapshotBeforeUpdate !== 'function' && (typeof instance.UNSAFE_componentWillMount === 'function' || typeof instance.componentWillMount === 'function')) { + callComponentWillMount(ctor, instance); // If we had additional state updates during this life-cycle, let's + // process them now. + + processUpdateQueue(internalInstance, instance, newProps, maskedLegacyContext); + } +} + +// Ids are base 32 strings whose binary representation corresponds to the +// position of a node in a tree. +// Every time the tree forks into multiple children, we add additional bits to +// the left of the sequence that represent the position of the child within the +// current level of children. +// +// 00101 00010001011010101 +// ╰─┬─╯ ╰───────┬───────╯ +// Fork 5 of 20 Parent id +// +// The leading 0s are important. In the above example, you only need 3 bits to +// represent slot 5. However, you need 5 bits to represent all the forks at +// the current level, so we must account for the empty bits at the end. +// +// For this same reason, slots are 1-indexed instead of 0-indexed. Otherwise, +// the zeroth id at a level would be indistinguishable from its parent. +// +// If a node has only one child, and does not materialize an id (i.e. does not +// contain a useId hook), then we don't need to allocate any space in the +// sequence. It's treated as a transparent indirection. For example, these two +// trees produce the same ids: +// +// <> <> +// +// +// +// +// +// +// However, we cannot skip any node that materializes an id. Otherwise, a parent +// id that does not fork would be indistinguishable from its child id. For +// example, this tree does not fork, but the parent and child must have +// different ids. +// +// +// +// +// +// To handle this scenario, every time we materialize an id, we allocate a +// new level with a single slot. You can think of this as a fork with only one +// prong, or an array of children with length 1. +// +// It's possible for the size of the sequence to exceed 32 bits, the max +// size for bitwise operations. When this happens, we make more room by +// converting the right part of the id to a string and storing it in an overflow +// variable. We use a base 32 string representation, because 32 is the largest +// power of 2 that is supported by toString(). We want the base to be large so +// that the resulting ids are compact, and we want the base to be a power of 2 +// because every log2(base) bits corresponds to a single character, i.e. every +// log2(32) = 5 bits. That means we can lop bits off the end 5 at a time without +// affecting the final result. +var emptyTreeContext = { + id: 1, + overflow: '' +}; +function getTreeId(context) { + var overflow = context.overflow; + var idWithLeadingBit = context.id; + var id = idWithLeadingBit & ~getLeadingBit(idWithLeadingBit); + return id.toString(32) + overflow; +} +function pushTreeContext(baseContext, totalChildren, index) { + var baseIdWithLeadingBit = baseContext.id; + var baseOverflow = baseContext.overflow; // The leftmost 1 marks the end of the sequence, non-inclusive. It's not part + // of the id; we use it to account for leading 0s. + + var baseLength = getBitLength(baseIdWithLeadingBit) - 1; + var baseId = baseIdWithLeadingBit & ~(1 << baseLength); + var slot = index + 1; + var length = getBitLength(totalChildren) + baseLength; // 30 is the max length we can store without overflowing, taking into + // consideration the leading 1 we use to mark the end of the sequence. + + if (length > 30) { + // We overflowed the bitwise-safe range. Fall back to slower algorithm. + // This branch assumes the length of the base id is greater than 5; it won't + // work for smaller ids, because you need 5 bits per character. + // + // We encode the id in multiple steps: first the base id, then the + // remaining digits. + // + // Each 5 bit sequence corresponds to a single base 32 character. So for + // example, if the current id is 23 bits long, we can convert 20 of those + // bits into a string of 4 characters, with 3 bits left over. + // + // First calculate how many bits in the base id represent a complete + // sequence of characters. + var numberOfOverflowBits = baseLength - baseLength % 5; // Then create a bitmask that selects only those bits. + + var newOverflowBits = (1 << numberOfOverflowBits) - 1; // Select the bits, and convert them to a base 32 string. + + var newOverflow = (baseId & newOverflowBits).toString(32); // Now we can remove those bits from the base id. + + var restOfBaseId = baseId >> numberOfOverflowBits; + var restOfBaseLength = baseLength - numberOfOverflowBits; // Finally, encode the rest of the bits using the normal algorithm. Because + // we made more room, this time it won't overflow. + + var restOfLength = getBitLength(totalChildren) + restOfBaseLength; + var restOfNewBits = slot << restOfBaseLength; + var id = restOfNewBits | restOfBaseId; + var overflow = newOverflow + baseOverflow; + return { + id: 1 << restOfLength | id, + overflow: overflow + }; + } else { + // Normal path + var newBits = slot << baseLength; + + var _id = newBits | baseId; + + var _overflow = baseOverflow; + return { + id: 1 << length | _id, + overflow: _overflow + }; + } +} + +function getBitLength(number) { + return 32 - clz32(number); +} + +function getLeadingBit(id) { + return 1 << getBitLength(id) - 1; +} // TODO: Math.clz32 is supported in Node 12+. Maybe we can drop the fallback. + + +var clz32 = Math.clz32 ? Math.clz32 : clz32Fallback; // Count leading zeros. +// Based on: +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/clz32 + +var log = Math.log; +var LN2 = Math.LN2; + +function clz32Fallback(x) { + var asUint = x >>> 0; + + if (asUint === 0) { + return 32; + } + + return 31 - (log(asUint) / LN2 | 0) | 0; +} + +/** + * inlined Object.is polyfill to avoid requiring consumers ship their own + * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is + */ +function is(x, y) { + return x === y && (x !== 0 || 1 / x === 1 / y) || x !== x && y !== y // eslint-disable-line no-self-compare + ; +} + +var objectIs = typeof Object.is === 'function' ? Object.is : is; + +var currentlyRenderingComponent = null; +var currentlyRenderingTask = null; +var firstWorkInProgressHook = null; +var workInProgressHook = null; // Whether the work-in-progress hook is a re-rendered hook + +var isReRender = false; // Whether an update was scheduled during the currently executing render pass. + +var didScheduleRenderPhaseUpdate = false; // Counts the number of useId hooks in this component + +var localIdCounter = 0; // Lazily created map of render-phase updates + +var renderPhaseUpdates = null; // Counter to prevent infinite loops. + +var numberOfReRenders = 0; +var RE_RENDER_LIMIT = 25; +var isInHookUserCodeInDev = false; // In DEV, this is the name of the currently executing primitive hook + +var currentHookNameInDev; + +function resolveCurrentlyRenderingComponent() { + if (currentlyRenderingComponent === null) { + throw new Error('Invalid hook call. Hooks can only be called inside of the body of a function component. This could happen for' + ' one of the following reasons:\n' + '1. You might have mismatching versions of React and the renderer (such as React DOM)\n' + '2. You might be breaking the Rules of Hooks\n' + '3. You might have more than one copy of React in the same app\n' + 'See https://reactjs.org/link/invalid-hook-call for tips about how to debug and fix this problem.'); + } + + { + if (isInHookUserCodeInDev) { + error('Do not call Hooks inside useEffect(...), useMemo(...), or other built-in Hooks. ' + 'You can only call Hooks at the top level of your React function. ' + 'For more information, see ' + 'https://reactjs.org/link/rules-of-hooks'); + } + } + + return currentlyRenderingComponent; +} + +function areHookInputsEqual(nextDeps, prevDeps) { + if (prevDeps === null) { + { + error('%s received a final argument during this render, but not during ' + 'the previous render. Even though the final argument is optional, ' + 'its type cannot change between renders.', currentHookNameInDev); + } + + return false; + } + + { + // Don't bother comparing lengths in prod because these arrays should be + // passed inline. + if (nextDeps.length !== prevDeps.length) { + error('The final argument passed to %s changed size between renders. The ' + 'order and size of this array must remain constant.\n\n' + 'Previous: %s\n' + 'Incoming: %s', currentHookNameInDev, "[" + nextDeps.join(', ') + "]", "[" + prevDeps.join(', ') + "]"); + } + } + + for (var i = 0; i < prevDeps.length && i < nextDeps.length; i++) { + if (objectIs(nextDeps[i], prevDeps[i])) { + continue; + } + + return false; + } + + return true; +} + +function createHook() { + if (numberOfReRenders > 0) { + throw new Error('Rendered more hooks than during the previous render'); + } + + return { + memoizedState: null, + queue: null, + next: null + }; +} + +function createWorkInProgressHook() { + if (workInProgressHook === null) { + // This is the first hook in the list + if (firstWorkInProgressHook === null) { + isReRender = false; + firstWorkInProgressHook = workInProgressHook = createHook(); + } else { + // There's already a work-in-progress. Reuse it. + isReRender = true; + workInProgressHook = firstWorkInProgressHook; + } + } else { + if (workInProgressHook.next === null) { + isReRender = false; // Append to the end of the list + + workInProgressHook = workInProgressHook.next = createHook(); + } else { + // There's already a work-in-progress. Reuse it. + isReRender = true; + workInProgressHook = workInProgressHook.next; + } + } + + return workInProgressHook; +} + +function prepareToUseHooks(task, componentIdentity) { + currentlyRenderingComponent = componentIdentity; + currentlyRenderingTask = task; + + { + isInHookUserCodeInDev = false; + } // The following should have already been reset + // didScheduleRenderPhaseUpdate = false; + // localIdCounter = 0; + // firstWorkInProgressHook = null; + // numberOfReRenders = 0; + // renderPhaseUpdates = null; + // workInProgressHook = null; + + + localIdCounter = 0; +} +function finishHooks(Component, props, children, refOrContext) { + // This must be called after every function component to prevent hooks from + // being used in classes. + while (didScheduleRenderPhaseUpdate) { + // Updates were scheduled during the render phase. They are stored in + // the `renderPhaseUpdates` map. Call the component again, reusing the + // work-in-progress hooks and applying the additional updates on top. Keep + // restarting until no more updates are scheduled. + didScheduleRenderPhaseUpdate = false; + localIdCounter = 0; + numberOfReRenders += 1; // Start over from the beginning of the list + + workInProgressHook = null; + children = Component(props, refOrContext); + } + + resetHooksState(); + return children; +} +function checkDidRenderIdHook() { + // This should be called immediately after every finishHooks call. + // Conceptually, it's part of the return value of finishHooks; it's only a + // separate function to avoid using an array tuple. + var didRenderIdHook = localIdCounter !== 0; + return didRenderIdHook; +} // Reset the internal hooks state if an error occurs while rendering a component + +function resetHooksState() { + { + isInHookUserCodeInDev = false; + } + + currentlyRenderingComponent = null; + currentlyRenderingTask = null; + didScheduleRenderPhaseUpdate = false; + firstWorkInProgressHook = null; + numberOfReRenders = 0; + renderPhaseUpdates = null; + workInProgressHook = null; +} + +function readContext$1(context) { + { + if (isInHookUserCodeInDev) { + error('Context can only be read while React is rendering. ' + 'In classes, you can read it in the render method or getDerivedStateFromProps. ' + 'In function components, you can read it directly in the function body, but not ' + 'inside Hooks like useReducer() or useMemo().'); + } + } + + return readContext(context); +} + +function useContext(context) { + { + currentHookNameInDev = 'useContext'; + } + + resolveCurrentlyRenderingComponent(); + return readContext(context); +} + +function basicStateReducer(state, action) { + // $FlowFixMe: Flow doesn't like mixed types + return typeof action === 'function' ? action(state) : action; +} + +function useState(initialState) { + { + currentHookNameInDev = 'useState'; + } + + return useReducer(basicStateReducer, // useReducer has a special case to support lazy useState initializers + initialState); +} +function useReducer(reducer, initialArg, init) { + { + if (reducer !== basicStateReducer) { + currentHookNameInDev = 'useReducer'; + } + } + + currentlyRenderingComponent = resolveCurrentlyRenderingComponent(); + workInProgressHook = createWorkInProgressHook(); + + if (isReRender) { + // This is a re-render. Apply the new render phase updates to the previous + // current hook. + var queue = workInProgressHook.queue; + var dispatch = queue.dispatch; + + if (renderPhaseUpdates !== null) { + // Render phase updates are stored in a map of queue -> linked list + var firstRenderPhaseUpdate = renderPhaseUpdates.get(queue); + + if (firstRenderPhaseUpdate !== undefined) { + renderPhaseUpdates.delete(queue); + var newState = workInProgressHook.memoizedState; + var update = firstRenderPhaseUpdate; + + do { + // Process this render phase update. We don't have to check the + // priority because it will always be the same as the current + // render's. + var action = update.action; + + { + isInHookUserCodeInDev = true; + } + + newState = reducer(newState, action); + + { + isInHookUserCodeInDev = false; + } + + update = update.next; + } while (update !== null); + + workInProgressHook.memoizedState = newState; + return [newState, dispatch]; + } + } + + return [workInProgressHook.memoizedState, dispatch]; + } else { + { + isInHookUserCodeInDev = true; + } + + var initialState; + + if (reducer === basicStateReducer) { + // Special case for `useState`. + initialState = typeof initialArg === 'function' ? initialArg() : initialArg; + } else { + initialState = init !== undefined ? init(initialArg) : initialArg; + } + + { + isInHookUserCodeInDev = false; + } + + workInProgressHook.memoizedState = initialState; + + var _queue = workInProgressHook.queue = { + last: null, + dispatch: null + }; + + var _dispatch = _queue.dispatch = dispatchAction.bind(null, currentlyRenderingComponent, _queue); + + return [workInProgressHook.memoizedState, _dispatch]; + } +} + +function useMemo(nextCreate, deps) { + currentlyRenderingComponent = resolveCurrentlyRenderingComponent(); + workInProgressHook = createWorkInProgressHook(); + var nextDeps = deps === undefined ? null : deps; + + if (workInProgressHook !== null) { + var prevState = workInProgressHook.memoizedState; + + if (prevState !== null) { + if (nextDeps !== null) { + var prevDeps = prevState[1]; + + if (areHookInputsEqual(nextDeps, prevDeps)) { + return prevState[0]; + } + } + } + } + + { + isInHookUserCodeInDev = true; + } + + var nextValue = nextCreate(); + + { + isInHookUserCodeInDev = false; + } + + workInProgressHook.memoizedState = [nextValue, nextDeps]; + return nextValue; +} + +function useRef(initialValue) { + currentlyRenderingComponent = resolveCurrentlyRenderingComponent(); + workInProgressHook = createWorkInProgressHook(); + var previousRef = workInProgressHook.memoizedState; + + if (previousRef === null) { + var ref = { + current: initialValue + }; + + { + Object.seal(ref); + } + + workInProgressHook.memoizedState = ref; + return ref; + } else { + return previousRef; + } +} + +function useLayoutEffect(create, inputs) { + { + currentHookNameInDev = 'useLayoutEffect'; + + error('useLayoutEffect does nothing on the server, because its effect cannot ' + "be encoded into the server renderer's output format. This will lead " + 'to a mismatch between the initial, non-hydrated UI and the intended ' + 'UI. To avoid this, useLayoutEffect should only be used in ' + 'components that render exclusively on the client. ' + 'See https://reactjs.org/link/uselayouteffect-ssr for common fixes.'); + } +} + +function dispatchAction(componentIdentity, queue, action) { + if (numberOfReRenders >= RE_RENDER_LIMIT) { + throw new Error('Too many re-renders. React limits the number of renders to prevent ' + 'an infinite loop.'); + } + + if (componentIdentity === currentlyRenderingComponent) { + // This is a render phase update. Stash it in a lazily-created map of + // queue -> linked list of updates. After this render pass, we'll restart + // and apply the stashed updates on top of the work-in-progress hook. + didScheduleRenderPhaseUpdate = true; + var update = { + action: action, + next: null + }; + + if (renderPhaseUpdates === null) { + renderPhaseUpdates = new Map(); + } + + var firstRenderPhaseUpdate = renderPhaseUpdates.get(queue); + + if (firstRenderPhaseUpdate === undefined) { + renderPhaseUpdates.set(queue, update); + } else { + // Append the update to the end of the list. + var lastRenderPhaseUpdate = firstRenderPhaseUpdate; + + while (lastRenderPhaseUpdate.next !== null) { + lastRenderPhaseUpdate = lastRenderPhaseUpdate.next; + } + + lastRenderPhaseUpdate.next = update; + } + } +} + +function useCallback(callback, deps) { + return useMemo(function () { + return callback; + }, deps); +} // TODO Decide on how to implement this hook for server rendering. +// If a mutation occurs during render, consider triggering a Suspense boundary +// and falling back to client rendering. + +function useMutableSource(source, getSnapshot, subscribe) { + resolveCurrentlyRenderingComponent(); + return getSnapshot(source._source); +} + +function useSyncExternalStore(subscribe, getSnapshot, getServerSnapshot) { + if (getServerSnapshot === undefined) { + throw new Error('Missing getServerSnapshot, which is required for ' + 'server-rendered content. Will revert to client rendering.'); + } + + return getServerSnapshot(); +} + +function useDeferredValue(value) { + resolveCurrentlyRenderingComponent(); + return value; +} + +function unsupportedStartTransition() { + throw new Error('startTransition cannot be called during server rendering.'); +} + +function useTransition() { + resolveCurrentlyRenderingComponent(); + return [false, unsupportedStartTransition]; +} + +function useId() { + var task = currentlyRenderingTask; + var treeId = getTreeId(task.treeContext); + var responseState = currentResponseState; + + if (responseState === null) { + throw new Error('Invalid hook call. Hooks can only be called inside of the body of a function component.'); + } + + var localId = localIdCounter++; + return makeId(responseState, treeId, localId); +} + +function noop() {} + +var Dispatcher = { + readContext: readContext$1, + useContext: useContext, + useMemo: useMemo, + useReducer: useReducer, + useRef: useRef, + useState: useState, + useInsertionEffect: noop, + useLayoutEffect: useLayoutEffect, + useCallback: useCallback, + // useImperativeHandle is not run in the server environment + useImperativeHandle: noop, + // Effects are not run in the server environment. + useEffect: noop, + // Debugging effect + useDebugValue: noop, + useDeferredValue: useDeferredValue, + useTransition: useTransition, + useId: useId, + // Subscriptions are not setup in a server environment. + useMutableSource: useMutableSource, + useSyncExternalStore: useSyncExternalStore +}; + +var currentResponseState = null; +function setCurrentResponseState(responseState) { + currentResponseState = responseState; +} + +function getStackByComponentStackNode(componentStack) { + try { + var info = ''; + var node = componentStack; + + do { + switch (node.tag) { + case 0: + info += describeBuiltInComponentFrame(node.type, null, null); + break; + + case 1: + info += describeFunctionComponentFrame(node.type, null, null); + break; + + case 2: + info += describeClassComponentFrame(node.type, null, null); + break; + } + + node = node.parent; + } while (node); + + return info; + } catch (x) { + return '\nError generating stack: ' + x.message + '\n' + x.stack; + } +} + +var ReactCurrentDispatcher$1 = ReactSharedInternals.ReactCurrentDispatcher; +var ReactDebugCurrentFrame$1 = ReactSharedInternals.ReactDebugCurrentFrame; +var PENDING = 0; +var COMPLETED = 1; +var FLUSHED = 2; +var ABORTED = 3; +var ERRORED = 4; +var OPEN = 0; +var CLOSING = 1; +var CLOSED = 2; +// This is a default heuristic for how to split up the HTML content into progressive +// loading. Our goal is to be able to display additional new content about every 500ms. +// Faster than that is unnecessary and should be throttled on the client. It also +// adds unnecessary overhead to do more splits. We don't know if it's a higher or lower +// end device but higher end suffer less from the overhead than lower end does from +// not getting small enough pieces. We error on the side of low end. +// We base this on low end 3G speeds which is about 500kbits per second. We assume +// that there can be a reasonable drop off from max bandwidth which leaves you with +// as little as 80%. We can receive half of that each 500ms - at best. In practice, +// a little bandwidth is lost to processing and contention - e.g. CSS and images that +// are downloaded along with the main content. So we estimate about half of that to be +// the lower end throughput. In other words, we expect that you can at least show +// about 12.5kb of content per 500ms. Not counting starting latency for the first +// paint. +// 500 * 1024 / 8 * .8 * 0.5 / 2 +var DEFAULT_PROGRESSIVE_CHUNK_SIZE = 12800; + +function defaultErrorHandler(error) { + console['error'](error); // Don't transform to our wrapper + + return null; +} + +function noop$1() {} + +function createRequest(children, responseState, rootFormatContext, progressiveChunkSize, onError, onAllReady, onShellReady, onShellError, onFatalError) { + var pingedTasks = []; + var abortSet = new Set(); + var request = { + destination: null, + responseState: responseState, + progressiveChunkSize: progressiveChunkSize === undefined ? DEFAULT_PROGRESSIVE_CHUNK_SIZE : progressiveChunkSize, + status: OPEN, + fatalError: null, + nextSegmentId: 0, + allPendingTasks: 0, + pendingRootTasks: 0, + completedRootSegment: null, + abortableTasks: abortSet, + pingedTasks: pingedTasks, + clientRenderedBoundaries: [], + completedBoundaries: [], + partialBoundaries: [], + onError: onError === undefined ? defaultErrorHandler : onError, + onAllReady: onAllReady === undefined ? noop$1 : onAllReady, + onShellReady: onShellReady === undefined ? noop$1 : onShellReady, + onShellError: onShellError === undefined ? noop$1 : onShellError, + onFatalError: onFatalError === undefined ? noop$1 : onFatalError + }; // This segment represents the root fallback. + + var rootSegment = createPendingSegment(request, 0, null, rootFormatContext, // Root segments are never embedded in Text on either edge + false, false); // There is no parent so conceptually, we're unblocked to flush this segment. + + rootSegment.parentFlushed = true; + var rootTask = createTask(request, children, null, rootSegment, abortSet, emptyContextObject, rootContextSnapshot, emptyTreeContext); + pingedTasks.push(rootTask); + return request; +} + +function pingTask(request, task) { + var pingedTasks = request.pingedTasks; + pingedTasks.push(task); + + if (pingedTasks.length === 1) { + scheduleWork(function () { + return performWork(request); + }); + } +} + +function createSuspenseBoundary(request, fallbackAbortableTasks) { + return { + id: UNINITIALIZED_SUSPENSE_BOUNDARY_ID, + rootSegmentID: -1, + parentFlushed: false, + pendingTasks: 0, + forceClientRender: false, + completedSegments: [], + byteSize: 0, + fallbackAbortableTasks: fallbackAbortableTasks, + errorDigest: null + }; +} + +function createTask(request, node, blockedBoundary, blockedSegment, abortSet, legacyContext, context, treeContext) { + request.allPendingTasks++; + + if (blockedBoundary === null) { + request.pendingRootTasks++; + } else { + blockedBoundary.pendingTasks++; + } + + var task = { + node: node, + ping: function () { + return pingTask(request, task); + }, + blockedBoundary: blockedBoundary, + blockedSegment: blockedSegment, + abortSet: abortSet, + legacyContext: legacyContext, + context: context, + treeContext: treeContext + }; + + { + task.componentStack = null; + } + + abortSet.add(task); + return task; +} + +function createPendingSegment(request, index, boundary, formatContext, lastPushedText, textEmbedded) { + return { + status: PENDING, + id: -1, + // lazily assigned later + index: index, + parentFlushed: false, + chunks: [], + children: [], + formatContext: formatContext, + boundary: boundary, + lastPushedText: lastPushedText, + textEmbedded: textEmbedded + }; +} // DEV-only global reference to the currently executing task + + +var currentTaskInDEV = null; + +function getCurrentStackInDEV() { + { + if (currentTaskInDEV === null || currentTaskInDEV.componentStack === null) { + return ''; + } + + return getStackByComponentStackNode(currentTaskInDEV.componentStack); + } +} + +function pushBuiltInComponentStackInDEV(task, type) { + { + task.componentStack = { + tag: 0, + parent: task.componentStack, + type: type + }; + } +} + +function pushFunctionComponentStackInDEV(task, type) { + { + task.componentStack = { + tag: 1, + parent: task.componentStack, + type: type + }; + } +} + +function pushClassComponentStackInDEV(task, type) { + { + task.componentStack = { + tag: 2, + parent: task.componentStack, + type: type + }; + } +} + +function popComponentStackInDEV(task) { + { + if (task.componentStack === null) { + error('Unexpectedly popped too many stack frames. This is a bug in React.'); + } else { + task.componentStack = task.componentStack.parent; + } + } +} // stash the component stack of an unwinding error until it is processed + + +var lastBoundaryErrorComponentStackDev = null; + +function captureBoundaryErrorDetailsDev(boundary, error) { + { + var errorMessage; + + if (typeof error === 'string') { + errorMessage = error; + } else if (error && typeof error.message === 'string') { + errorMessage = error.message; + } else { + // eslint-disable-next-line react-internal/safe-string-coercion + errorMessage = String(error); + } + + var errorComponentStack = lastBoundaryErrorComponentStackDev || getCurrentStackInDEV(); + lastBoundaryErrorComponentStackDev = null; + boundary.errorMessage = errorMessage; + boundary.errorComponentStack = errorComponentStack; + } +} + +function logRecoverableError(request, error) { + // If this callback errors, we intentionally let that error bubble up to become a fatal error + // so that someone fixes the error reporting instead of hiding it. + var errorDigest = request.onError(error); + + if (errorDigest != null && typeof errorDigest !== 'string') { + // eslint-disable-next-line react-internal/prod-error-codes + throw new Error("onError returned something with a type other than \"string\". onError should return a string and may return null or undefined but must not return anything else. It received something of type \"" + typeof errorDigest + "\" instead"); + } + + return errorDigest; +} + +function fatalError(request, error) { + // This is called outside error handling code such as if the root errors outside + // a suspense boundary or if the root suspense boundary's fallback errors. + // It's also called if React itself or its host configs errors. + var onShellError = request.onShellError; + onShellError(error); + var onFatalError = request.onFatalError; + onFatalError(error); + + if (request.destination !== null) { + request.status = CLOSED; + closeWithError(request.destination, error); + } else { + request.status = CLOSING; + request.fatalError = error; + } +} + +function renderSuspenseBoundary(request, task, props) { + pushBuiltInComponentStackInDEV(task, 'Suspense'); + var parentBoundary = task.blockedBoundary; + var parentSegment = task.blockedSegment; // Each time we enter a suspense boundary, we split out into a new segment for + // the fallback so that we can later replace that segment with the content. + // This also lets us split out the main content even if it doesn't suspend, + // in case it ends up generating a large subtree of content. + + var fallback = props.fallback; + var content = props.children; + var fallbackAbortSet = new Set(); + var newBoundary = createSuspenseBoundary(request, fallbackAbortSet); + var insertionIndex = parentSegment.chunks.length; // The children of the boundary segment is actually the fallback. + + var boundarySegment = createPendingSegment(request, insertionIndex, newBoundary, parentSegment.formatContext, // boundaries never require text embedding at their edges because comment nodes bound them + false, false); + parentSegment.children.push(boundarySegment); // The parentSegment has a child Segment at this index so we reset the lastPushedText marker on the parent + + parentSegment.lastPushedText = false; // This segment is the actual child content. We can start rendering that immediately. + + var contentRootSegment = createPendingSegment(request, 0, null, parentSegment.formatContext, // boundaries never require text embedding at their edges because comment nodes bound them + false, false); // We mark the root segment as having its parent flushed. It's not really flushed but there is + // no parent segment so there's nothing to wait on. + + contentRootSegment.parentFlushed = true; // Currently this is running synchronously. We could instead schedule this to pingedTasks. + // I suspect that there might be some efficiency benefits from not creating the suspended task + // and instead just using the stack if possible. + // TODO: Call this directly instead of messing with saving and restoring contexts. + // We can reuse the current context and task to render the content immediately without + // context switching. We just need to temporarily switch which boundary and which segment + // we're writing to. If something suspends, it'll spawn new suspended task with that context. + + task.blockedBoundary = newBoundary; + task.blockedSegment = contentRootSegment; + + try { + // We use the safe form because we don't handle suspending here. Only error handling. + renderNode(request, task, content); + pushSegmentFinale$1(contentRootSegment.chunks, request.responseState, contentRootSegment.lastPushedText, contentRootSegment.textEmbedded); + contentRootSegment.status = COMPLETED; + queueCompletedSegment(newBoundary, contentRootSegment); + + if (newBoundary.pendingTasks === 0) { + // This must have been the last segment we were waiting on. This boundary is now complete. + // Therefore we won't need the fallback. We early return so that we don't have to create + // the fallback. + popComponentStackInDEV(task); + return; + } + } catch (error) { + contentRootSegment.status = ERRORED; + newBoundary.forceClientRender = true; + newBoundary.errorDigest = logRecoverableError(request, error); + + { + captureBoundaryErrorDetailsDev(newBoundary, error); + } // We don't need to decrement any task numbers because we didn't spawn any new task. + // We don't need to schedule any task because we know the parent has written yet. + // We do need to fallthrough to create the fallback though. + + } finally { + task.blockedBoundary = parentBoundary; + task.blockedSegment = parentSegment; + } // We create suspended task for the fallback because we don't want to actually work + // on it yet in case we finish the main content, so we queue for later. + + + var suspendedFallbackTask = createTask(request, fallback, parentBoundary, boundarySegment, fallbackAbortSet, task.legacyContext, task.context, task.treeContext); + + { + suspendedFallbackTask.componentStack = task.componentStack; + } // TODO: This should be queued at a separate lower priority queue so that we only work + // on preparing fallbacks if we don't have any more main content to task on. + + + request.pingedTasks.push(suspendedFallbackTask); + popComponentStackInDEV(task); +} + +function renderHostElement(request, task, type, props) { + pushBuiltInComponentStackInDEV(task, type); + var segment = task.blockedSegment; + var children = pushStartInstance(segment.chunks, type, props, request.responseState, segment.formatContext); + segment.lastPushedText = false; + var prevContext = segment.formatContext; + segment.formatContext = getChildFormatContext(prevContext, type, props); // We use the non-destructive form because if something suspends, we still + // need to pop back up and finish this subtree of HTML. + + renderNode(request, task, children); // We expect that errors will fatal the whole task and that we don't need + // the correct context. Therefore this is not in a finally. + + segment.formatContext = prevContext; + pushEndInstance(segment.chunks, type); + segment.lastPushedText = false; + popComponentStackInDEV(task); +} + +function shouldConstruct$1(Component) { + return Component.prototype && Component.prototype.isReactComponent; +} + +function renderWithHooks(request, task, Component, props, secondArg) { + var componentIdentity = {}; + prepareToUseHooks(task, componentIdentity); + var result = Component(props, secondArg); + return finishHooks(Component, props, result, secondArg); +} + +function finishClassComponent(request, task, instance, Component, props) { + var nextChildren = instance.render(); + + { + if (instance.props !== props) { + if (!didWarnAboutReassigningProps) { + error('It looks like %s is reassigning its own `this.props` while rendering. ' + 'This is not supported and can lead to confusing bugs.', getComponentNameFromType(Component) || 'a component'); + } + + didWarnAboutReassigningProps = true; + } + } + + { + var childContextTypes = Component.childContextTypes; + + if (childContextTypes !== null && childContextTypes !== undefined) { + var previousContext = task.legacyContext; + var mergedContext = processChildContext(instance, Component, previousContext, childContextTypes); + task.legacyContext = mergedContext; + renderNodeDestructive(request, task, nextChildren); + task.legacyContext = previousContext; + return; + } + } + + renderNodeDestructive(request, task, nextChildren); +} + +function renderClassComponent(request, task, Component, props) { + pushClassComponentStackInDEV(task, Component); + var maskedContext = getMaskedContext(Component, task.legacyContext) ; + var instance = constructClassInstance(Component, props, maskedContext); + mountClassInstance(instance, Component, props, maskedContext); + finishClassComponent(request, task, instance, Component, props); + popComponentStackInDEV(task); +} + +var didWarnAboutBadClass = {}; +var didWarnAboutModulePatternComponent = {}; +var didWarnAboutContextTypeOnFunctionComponent = {}; +var didWarnAboutGetDerivedStateOnFunctionComponent = {}; +var didWarnAboutReassigningProps = false; +var didWarnAboutDefaultPropsOnFunctionComponent = {}; +var didWarnAboutGenerators = false; +var didWarnAboutMaps = false; +var hasWarnedAboutUsingContextAsConsumer = false; // This would typically be a function component but we still support module pattern +// components for some reason. + +function renderIndeterminateComponent(request, task, Component, props) { + var legacyContext; + + { + legacyContext = getMaskedContext(Component, task.legacyContext); + } + + pushFunctionComponentStackInDEV(task, Component); + + { + if (Component.prototype && typeof Component.prototype.render === 'function') { + var componentName = getComponentNameFromType(Component) || 'Unknown'; + + if (!didWarnAboutBadClass[componentName]) { + error("The <%s /> component appears to have a render method, but doesn't extend React.Component. " + 'This is likely to cause errors. Change %s to extend React.Component instead.', componentName, componentName); + + didWarnAboutBadClass[componentName] = true; + } + } + } + + var value = renderWithHooks(request, task, Component, props, legacyContext); + var hasId = checkDidRenderIdHook(); + + { + // Support for module components is deprecated and is removed behind a flag. + // Whether or not it would crash later, we want to show a good message in DEV first. + if (typeof value === 'object' && value !== null && typeof value.render === 'function' && value.$$typeof === undefined) { + var _componentName = getComponentNameFromType(Component) || 'Unknown'; + + if (!didWarnAboutModulePatternComponent[_componentName]) { + error('The <%s /> component appears to be a function component that returns a class instance. ' + 'Change %s to a class that extends React.Component instead. ' + "If you can't use a class try assigning the prototype on the function as a workaround. " + "`%s.prototype = React.Component.prototype`. Don't use an arrow function since it " + 'cannot be called with `new` by React.', _componentName, _componentName, _componentName); + + didWarnAboutModulePatternComponent[_componentName] = true; + } + } + } + + if ( // Run these checks in production only if the flag is off. + // Eventually we'll delete this branch altogether. + typeof value === 'object' && value !== null && typeof value.render === 'function' && value.$$typeof === undefined) { + { + var _componentName2 = getComponentNameFromType(Component) || 'Unknown'; + + if (!didWarnAboutModulePatternComponent[_componentName2]) { + error('The <%s /> component appears to be a function component that returns a class instance. ' + 'Change %s to a class that extends React.Component instead. ' + "If you can't use a class try assigning the prototype on the function as a workaround. " + "`%s.prototype = React.Component.prototype`. Don't use an arrow function since it " + 'cannot be called with `new` by React.', _componentName2, _componentName2, _componentName2); + + didWarnAboutModulePatternComponent[_componentName2] = true; + } + } + + mountClassInstance(value, Component, props, legacyContext); + finishClassComponent(request, task, value, Component, props); + } else { + + { + validateFunctionComponentInDev(Component); + } // We're now successfully past this task, and we don't have to pop back to + // the previous task every again, so we can use the destructive recursive form. + + + if (hasId) { + // This component materialized an id. We treat this as its own level, with + // a single "child" slot. + var prevTreeContext = task.treeContext; + var totalChildren = 1; + var index = 0; + task.treeContext = pushTreeContext(prevTreeContext, totalChildren, index); + + try { + renderNodeDestructive(request, task, value); + } finally { + task.treeContext = prevTreeContext; + } + } else { + renderNodeDestructive(request, task, value); + } + } + + popComponentStackInDEV(task); +} + +function validateFunctionComponentInDev(Component) { + { + if (Component) { + if (Component.childContextTypes) { + error('%s(...): childContextTypes cannot be defined on a function component.', Component.displayName || Component.name || 'Component'); + } + } + + if ( Component.defaultProps !== undefined) { + var componentName = getComponentNameFromType(Component) || 'Unknown'; + + if (!didWarnAboutDefaultPropsOnFunctionComponent[componentName]) { + error('%s: Support for defaultProps will be removed from function components ' + 'in a future major release. Use JavaScript default parameters instead.', componentName); + + didWarnAboutDefaultPropsOnFunctionComponent[componentName] = true; + } + } + + if (typeof Component.getDerivedStateFromProps === 'function') { + var _componentName3 = getComponentNameFromType(Component) || 'Unknown'; + + if (!didWarnAboutGetDerivedStateOnFunctionComponent[_componentName3]) { + error('%s: Function components do not support getDerivedStateFromProps.', _componentName3); + + didWarnAboutGetDerivedStateOnFunctionComponent[_componentName3] = true; + } + } + + if (typeof Component.contextType === 'object' && Component.contextType !== null) { + var _componentName4 = getComponentNameFromType(Component) || 'Unknown'; + + if (!didWarnAboutContextTypeOnFunctionComponent[_componentName4]) { + error('%s: Function components do not support contextType.', _componentName4); + + didWarnAboutContextTypeOnFunctionComponent[_componentName4] = true; + } + } + } +} + +function resolveDefaultProps(Component, baseProps) { + if (Component && Component.defaultProps) { + // Resolve default props. Taken from ReactElement + var props = assign({}, baseProps); + var defaultProps = Component.defaultProps; + + for (var propName in defaultProps) { + if (props[propName] === undefined) { + props[propName] = defaultProps[propName]; + } + } + + return props; + } + + return baseProps; +} + +function renderForwardRef(request, task, type, props, ref) { + pushFunctionComponentStackInDEV(task, type.render); + var children = renderWithHooks(request, task, type.render, props, ref); + var hasId = checkDidRenderIdHook(); + + if (hasId) { + // This component materialized an id. We treat this as its own level, with + // a single "child" slot. + var prevTreeContext = task.treeContext; + var totalChildren = 1; + var index = 0; + task.treeContext = pushTreeContext(prevTreeContext, totalChildren, index); + + try { + renderNodeDestructive(request, task, children); + } finally { + task.treeContext = prevTreeContext; + } + } else { + renderNodeDestructive(request, task, children); + } + + popComponentStackInDEV(task); +} + +function renderMemo(request, task, type, props, ref) { + var innerType = type.type; + var resolvedProps = resolveDefaultProps(innerType, props); + renderElement(request, task, innerType, resolvedProps, ref); +} + +function renderContextConsumer(request, task, context, props) { + // The logic below for Context differs depending on PROD or DEV mode. In + // DEV mode, we create a separate object for Context.Consumer that acts + // like a proxy to Context. This proxy object adds unnecessary code in PROD + // so we use the old behaviour (Context.Consumer references Context) to + // reduce size and overhead. The separate object references context via + // a property called "_context", which also gives us the ability to check + // in DEV mode if this property exists or not and warn if it does not. + { + if (context._context === undefined) { + // This may be because it's a Context (rather than a Consumer). + // Or it may be because it's older React where they're the same thing. + // We only want to warn if we're sure it's a new React. + if (context !== context.Consumer) { + if (!hasWarnedAboutUsingContextAsConsumer) { + hasWarnedAboutUsingContextAsConsumer = true; + + error('Rendering directly is not supported and will be removed in ' + 'a future major release. Did you mean to render instead?'); + } + } + } else { + context = context._context; + } + } + + var render = props.children; + + { + if (typeof render !== 'function') { + error('A context consumer was rendered with multiple children, or a child ' + "that isn't a function. A context consumer expects a single child " + 'that is a function. If you did pass a function, make sure there ' + 'is no trailing or leading whitespace around it.'); + } + } + + var newValue = readContext(context); + var newChildren = render(newValue); + renderNodeDestructive(request, task, newChildren); +} + +function renderContextProvider(request, task, type, props) { + var context = type._context; + var value = props.value; + var children = props.children; + var prevSnapshot; + + { + prevSnapshot = task.context; + } + + task.context = pushProvider(context, value); + renderNodeDestructive(request, task, children); + task.context = popProvider(context); + + { + if (prevSnapshot !== task.context) { + error('Popping the context provider did not return back to the original snapshot. This is a bug in React.'); + } + } +} + +function renderLazyComponent(request, task, lazyComponent, props, ref) { + pushBuiltInComponentStackInDEV(task, 'Lazy'); + var payload = lazyComponent._payload; + var init = lazyComponent._init; + var Component = init(payload); + var resolvedProps = resolveDefaultProps(Component, props); + renderElement(request, task, Component, resolvedProps, ref); + popComponentStackInDEV(task); +} + +function renderElement(request, task, type, props, ref) { + if (typeof type === 'function') { + if (shouldConstruct$1(type)) { + renderClassComponent(request, task, type, props); + return; + } else { + renderIndeterminateComponent(request, task, type, props); + return; + } + } + + if (typeof type === 'string') { + renderHostElement(request, task, type, props); + return; + } + + switch (type) { + // TODO: LegacyHidden acts the same as a fragment. This only works + // because we currently assume that every instance of LegacyHidden is + // accompanied by a host component wrapper. In the hidden mode, the host + // component is given a `hidden` attribute, which ensures that the + // initial HTML is not visible. To support the use of LegacyHidden as a + // true fragment, without an extra DOM node, we would have to hide the + // initial HTML in some other way. + // TODO: Add REACT_OFFSCREEN_TYPE here too with the same capability. + case REACT_LEGACY_HIDDEN_TYPE: + case REACT_DEBUG_TRACING_MODE_TYPE: + case REACT_STRICT_MODE_TYPE: + case REACT_PROFILER_TYPE: + case REACT_FRAGMENT_TYPE: + { + renderNodeDestructive(request, task, props.children); + return; + } + + case REACT_SUSPENSE_LIST_TYPE: + { + pushBuiltInComponentStackInDEV(task, 'SuspenseList'); // TODO: SuspenseList should control the boundaries. + + renderNodeDestructive(request, task, props.children); + popComponentStackInDEV(task); + return; + } + + case REACT_SCOPE_TYPE: + { + + throw new Error('ReactDOMServer does not yet support scope components.'); + } + // eslint-disable-next-line-no-fallthrough + + case REACT_SUSPENSE_TYPE: + { + { + renderSuspenseBoundary(request, task, props); + } + + return; + } + } + + if (typeof type === 'object' && type !== null) { + switch (type.$$typeof) { + case REACT_FORWARD_REF_TYPE: + { + renderForwardRef(request, task, type, props, ref); + return; + } + + case REACT_MEMO_TYPE: + { + renderMemo(request, task, type, props, ref); + return; + } + + case REACT_PROVIDER_TYPE: + { + renderContextProvider(request, task, type, props); + return; + } + + case REACT_CONTEXT_TYPE: + { + renderContextConsumer(request, task, type, props); + return; + } + + case REACT_LAZY_TYPE: + { + renderLazyComponent(request, task, type, props); + return; + } + } + } + + var info = ''; + + { + if (type === undefined || typeof type === 'object' && type !== null && Object.keys(type).length === 0) { + info += ' You likely forgot to export your component from the file ' + "it's defined in, or you might have mixed up default and " + 'named imports.'; + } + } + + throw new Error('Element type is invalid: expected a string (for built-in ' + 'components) or a class/function (for composite components) ' + ("but got: " + (type == null ? type : typeof type) + "." + info)); +} + +function validateIterable(iterable, iteratorFn) { + { + // We don't support rendering Generators because it's a mutation. + // See https://github.com/facebook/react/issues/12995 + if (typeof Symbol === 'function' && // $FlowFixMe Flow doesn't know about toStringTag + iterable[Symbol.toStringTag] === 'Generator') { + if (!didWarnAboutGenerators) { + error('Using Generators as children is unsupported and will likely yield ' + 'unexpected results because enumerating a generator mutates it. ' + 'You may convert it to an array with `Array.from()` or the ' + '`[...spread]` operator before rendering. Keep in mind ' + 'you might need to polyfill these features for older browsers.'); + } + + didWarnAboutGenerators = true; + } // Warn about using Maps as children + + + if (iterable.entries === iteratorFn) { + if (!didWarnAboutMaps) { + error('Using Maps as children is not supported. ' + 'Use an array of keyed ReactElements instead.'); + } + + didWarnAboutMaps = true; + } + } +} + +function renderNodeDestructive(request, task, node) { + { + // In Dev we wrap renderNodeDestructiveImpl in a try / catch so we can capture + // a component stack at the right place in the tree. We don't do this in renderNode + // becuase it is not called at every layer of the tree and we may lose frames + try { + return renderNodeDestructiveImpl(request, task, node); + } catch (x) { + if (typeof x === 'object' && x !== null && typeof x.then === 'function') ; else { + // This is an error, stash the component stack if it is null. + lastBoundaryErrorComponentStackDev = lastBoundaryErrorComponentStackDev !== null ? lastBoundaryErrorComponentStackDev : getCurrentStackInDEV(); + } // rethrow so normal suspense logic can handle thrown value accordingly + + + throw x; + } + } +} // This function by it self renders a node and consumes the task by mutating it +// to update the current execution state. + + +function renderNodeDestructiveImpl(request, task, node) { + // Stash the node we're working on. We'll pick up from this task in case + // something suspends. + task.node = node; // Handle object types + + if (typeof node === 'object' && node !== null) { + switch (node.$$typeof) { + case REACT_ELEMENT_TYPE: + { + var element = node; + var type = element.type; + var props = element.props; + var ref = element.ref; + renderElement(request, task, type, props, ref); + return; + } + + case REACT_PORTAL_TYPE: + throw new Error('Portals are not currently supported by the server renderer. ' + 'Render them conditionally so that they only appear on the client render.'); + // eslint-disable-next-line-no-fallthrough + + case REACT_LAZY_TYPE: + { + var lazyNode = node; + var payload = lazyNode._payload; + var init = lazyNode._init; + var resolvedNode; + + { + try { + resolvedNode = init(payload); + } catch (x) { + if (typeof x === 'object' && x !== null && typeof x.then === 'function') { + // this Lazy initializer is suspending. push a temporary frame onto the stack so it can be + // popped off in spawnNewSuspendedTask. This aligns stack behavior between Lazy in element position + // vs Component position. We do not want the frame for Errors so we exclusively do this in + // the wakeable branch + pushBuiltInComponentStackInDEV(task, 'Lazy'); + } + + throw x; + } + } + + renderNodeDestructive(request, task, resolvedNode); + return; + } + } + + if (isArray(node)) { + renderChildrenArray(request, task, node); + return; + } + + var iteratorFn = getIteratorFn(node); + + if (iteratorFn) { + { + validateIterable(node, iteratorFn); + } + + var iterator = iteratorFn.call(node); + + if (iterator) { + // We need to know how many total children are in this set, so that we + // can allocate enough id slots to acommodate them. So we must exhaust + // the iterator before we start recursively rendering the children. + // TODO: This is not great but I think it's inherent to the id + // generation algorithm. + var step = iterator.next(); // If there are not entries, we need to push an empty so we start by checking that. + + if (!step.done) { + var children = []; + + do { + children.push(step.value); + step = iterator.next(); + } while (!step.done); + + renderChildrenArray(request, task, children); + return; + } + + return; + } + } + + var childString = Object.prototype.toString.call(node); + throw new Error("Objects are not valid as a React child (found: " + (childString === '[object Object]' ? 'object with keys {' + Object.keys(node).join(', ') + '}' : childString) + "). " + 'If you meant to render a collection of children, use an array ' + 'instead.'); + } + + if (typeof node === 'string') { + var segment = task.blockedSegment; + segment.lastPushedText = pushTextInstance$1(task.blockedSegment.chunks, node, request.responseState, segment.lastPushedText); + return; + } + + if (typeof node === 'number') { + var _segment = task.blockedSegment; + _segment.lastPushedText = pushTextInstance$1(task.blockedSegment.chunks, '' + node, request.responseState, _segment.lastPushedText); + return; + } + + { + if (typeof node === 'function') { + error('Functions are not valid as a React child. This may happen if ' + 'you return a Component instead of from render. ' + 'Or maybe you meant to call this function rather than return it.'); + } + } +} + +function renderChildrenArray(request, task, children) { + var totalChildren = children.length; + + for (var i = 0; i < totalChildren; i++) { + var prevTreeContext = task.treeContext; + task.treeContext = pushTreeContext(prevTreeContext, totalChildren, i); + + try { + // We need to use the non-destructive form so that we can safely pop back + // up and render the sibling if something suspends. + renderNode(request, task, children[i]); + } finally { + task.treeContext = prevTreeContext; + } + } +} + +function spawnNewSuspendedTask(request, task, x) { + // Something suspended, we'll need to create a new segment and resolve it later. + var segment = task.blockedSegment; + var insertionIndex = segment.chunks.length; + var newSegment = createPendingSegment(request, insertionIndex, null, segment.formatContext, // Adopt the parent segment's leading text embed + segment.lastPushedText, // Assume we are text embedded at the trailing edge + true); + segment.children.push(newSegment); // Reset lastPushedText for current Segment since the new Segment "consumed" it + + segment.lastPushedText = false; + var newTask = createTask(request, task.node, task.blockedBoundary, newSegment, task.abortSet, task.legacyContext, task.context, task.treeContext); + + { + if (task.componentStack !== null) { + // We pop one task off the stack because the node that suspended will be tried again, + // which will add it back onto the stack. + newTask.componentStack = task.componentStack.parent; + } + } + + var ping = newTask.ping; + x.then(ping, ping); +} // This is a non-destructive form of rendering a node. If it suspends it spawns +// a new task and restores the context of this task to what it was before. + + +function renderNode(request, task, node) { + // TODO: Store segment.children.length here and reset it in case something + // suspended partially through writing something. + // Snapshot the current context in case something throws to interrupt the + // process. + var previousFormatContext = task.blockedSegment.formatContext; + var previousLegacyContext = task.legacyContext; + var previousContext = task.context; + var previousComponentStack = null; + + { + previousComponentStack = task.componentStack; + } + + try { + return renderNodeDestructive(request, task, node); + } catch (x) { + resetHooksState(); + + if (typeof x === 'object' && x !== null && typeof x.then === 'function') { + spawnNewSuspendedTask(request, task, x); // Restore the context. We assume that this will be restored by the inner + // functions in case nothing throws so we don't use "finally" here. + + task.blockedSegment.formatContext = previousFormatContext; + task.legacyContext = previousLegacyContext; + task.context = previousContext; // Restore all active ReactContexts to what they were before. + + switchContext(previousContext); + + { + task.componentStack = previousComponentStack; + } + + return; + } else { + // Restore the context. We assume that this will be restored by the inner + // functions in case nothing throws so we don't use "finally" here. + task.blockedSegment.formatContext = previousFormatContext; + task.legacyContext = previousLegacyContext; + task.context = previousContext; // Restore all active ReactContexts to what they were before. + + switchContext(previousContext); + + { + task.componentStack = previousComponentStack; + } // We assume that we don't need the correct context. + // Let's terminate the rest of the tree and don't render any siblings. + + + throw x; + } + } +} + +function erroredTask(request, boundary, segment, error) { + // Report the error to a global handler. + var errorDigest = logRecoverableError(request, error); + + if (boundary === null) { + fatalError(request, error); + } else { + boundary.pendingTasks--; + + if (!boundary.forceClientRender) { + boundary.forceClientRender = true; + boundary.errorDigest = errorDigest; + + { + captureBoundaryErrorDetailsDev(boundary, error); + } // Regardless of what happens next, this boundary won't be displayed, + // so we can flush it, if the parent already flushed. + + + if (boundary.parentFlushed) { + // We don't have a preference where in the queue this goes since it's likely + // to error on the client anyway. However, intentionally client-rendered + // boundaries should be flushed earlier so that they can start on the client. + // We reuse the same queue for errors. + request.clientRenderedBoundaries.push(boundary); + } + } + } + + request.allPendingTasks--; + + if (request.allPendingTasks === 0) { + var onAllReady = request.onAllReady; + onAllReady(); + } +} + +function abortTaskSoft(task) { + // This aborts task without aborting the parent boundary that it blocks. + // It's used for when we didn't need this task to complete the tree. + // If task was needed, then it should use abortTask instead. + var request = this; + var boundary = task.blockedBoundary; + var segment = task.blockedSegment; + segment.status = ABORTED; + finishedTask(request, boundary, segment); +} + +function abortTask(task, request, reason) { + // This aborts the task and aborts the parent that it blocks, putting it into + // client rendered mode. + var boundary = task.blockedBoundary; + var segment = task.blockedSegment; + segment.status = ABORTED; + + if (boundary === null) { + request.allPendingTasks--; // We didn't complete the root so we have nothing to show. We can close + // the request; + + if (request.status !== CLOSED) { + request.status = CLOSED; + + if (request.destination !== null) { + close(request.destination); + } + } + } else { + boundary.pendingTasks--; + + if (!boundary.forceClientRender) { + boundary.forceClientRender = true; + + var _error = reason === undefined ? new Error('The render was aborted by the server without a reason.') : reason; + + boundary.errorDigest = request.onError(_error); + + { + var errorPrefix = 'The server did not finish this Suspense boundary: '; + + if (_error && typeof _error.message === 'string') { + _error = errorPrefix + _error.message; + } else { + // eslint-disable-next-line react-internal/safe-string-coercion + _error = errorPrefix + String(_error); + } + + var previousTaskInDev = currentTaskInDEV; + currentTaskInDEV = task; + + try { + captureBoundaryErrorDetailsDev(boundary, _error); + } finally { + currentTaskInDEV = previousTaskInDev; + } + } + + if (boundary.parentFlushed) { + request.clientRenderedBoundaries.push(boundary); + } + } // If this boundary was still pending then we haven't already cancelled its fallbacks. + // We'll need to abort the fallbacks, which will also error that parent boundary. + + + boundary.fallbackAbortableTasks.forEach(function (fallbackTask) { + return abortTask(fallbackTask, request, reason); + }); + boundary.fallbackAbortableTasks.clear(); + request.allPendingTasks--; + + if (request.allPendingTasks === 0) { + var onAllReady = request.onAllReady; + onAllReady(); + } + } +} + +function queueCompletedSegment(boundary, segment) { + if (segment.chunks.length === 0 && segment.children.length === 1 && segment.children[0].boundary === null) { + // This is an empty segment. There's nothing to write, so we can instead transfer the ID + // to the child. That way any existing references point to the child. + var childSegment = segment.children[0]; + childSegment.id = segment.id; + childSegment.parentFlushed = true; + + if (childSegment.status === COMPLETED) { + queueCompletedSegment(boundary, childSegment); + } + } else { + var completedSegments = boundary.completedSegments; + completedSegments.push(segment); + } +} + +function finishedTask(request, boundary, segment) { + if (boundary === null) { + if (segment.parentFlushed) { + if (request.completedRootSegment !== null) { + throw new Error('There can only be one root segment. This is a bug in React.'); + } + + request.completedRootSegment = segment; + } + + request.pendingRootTasks--; + + if (request.pendingRootTasks === 0) { + // We have completed the shell so the shell can't error anymore. + request.onShellError = noop$1; + var onShellReady = request.onShellReady; + onShellReady(); + } + } else { + boundary.pendingTasks--; + + if (boundary.forceClientRender) ; else if (boundary.pendingTasks === 0) { + // This must have been the last segment we were waiting on. This boundary is now complete. + if (segment.parentFlushed) { + // Our parent segment already flushed, so we need to schedule this segment to be emitted. + // If it is a segment that was aborted, we'll write other content instead so we don't need + // to emit it. + if (segment.status === COMPLETED) { + queueCompletedSegment(boundary, segment); + } + } + + if (boundary.parentFlushed) { + // The segment might be part of a segment that didn't flush yet, but if the boundary's + // parent flushed, we need to schedule the boundary to be emitted. + request.completedBoundaries.push(boundary); + } // We can now cancel any pending task on the fallback since we won't need to show it anymore. + // This needs to happen after we read the parentFlushed flags because aborting can finish + // work which can trigger user code, which can start flushing, which can change those flags. + + + boundary.fallbackAbortableTasks.forEach(abortTaskSoft, request); + boundary.fallbackAbortableTasks.clear(); + } else { + if (segment.parentFlushed) { + // Our parent already flushed, so we need to schedule this segment to be emitted. + // If it is a segment that was aborted, we'll write other content instead so we don't need + // to emit it. + if (segment.status === COMPLETED) { + queueCompletedSegment(boundary, segment); + var completedSegments = boundary.completedSegments; + + if (completedSegments.length === 1) { + // This is the first time since we last flushed that we completed anything. + // We can schedule this boundary to emit its partially completed segments early + // in case the parent has already been flushed. + if (boundary.parentFlushed) { + request.partialBoundaries.push(boundary); + } + } + } + } + } + } + + request.allPendingTasks--; + + if (request.allPendingTasks === 0) { + // This needs to be called at the very end so that we can synchronously write the result + // in the callback if needed. + var onAllReady = request.onAllReady; + onAllReady(); + } +} + +function retryTask(request, task) { + var segment = task.blockedSegment; + + if (segment.status !== PENDING) { + // We completed this by other means before we had a chance to retry it. + return; + } // We restore the context to what it was when we suspended. + // We don't restore it after we leave because it's likely that we'll end up + // needing a very similar context soon again. + + + switchContext(task.context); + var prevTaskInDEV = null; + + { + prevTaskInDEV = currentTaskInDEV; + currentTaskInDEV = task; + } + + try { + // We call the destructive form that mutates this task. That way if something + // suspends again, we can reuse the same task instead of spawning a new one. + renderNodeDestructive(request, task, task.node); + pushSegmentFinale$1(segment.chunks, request.responseState, segment.lastPushedText, segment.textEmbedded); + task.abortSet.delete(task); + segment.status = COMPLETED; + finishedTask(request, task.blockedBoundary, segment); + } catch (x) { + resetHooksState(); + + if (typeof x === 'object' && x !== null && typeof x.then === 'function') { + // Something suspended again, let's pick it back up later. + var ping = task.ping; + x.then(ping, ping); + } else { + task.abortSet.delete(task); + segment.status = ERRORED; + erroredTask(request, task.blockedBoundary, segment, x); + } + } finally { + { + currentTaskInDEV = prevTaskInDEV; + } + } +} + +function performWork(request) { + if (request.status === CLOSED) { + return; + } + + var prevContext = getActiveContext(); + var prevDispatcher = ReactCurrentDispatcher$1.current; + ReactCurrentDispatcher$1.current = Dispatcher; + var prevGetCurrentStackImpl; + + { + prevGetCurrentStackImpl = ReactDebugCurrentFrame$1.getCurrentStack; + ReactDebugCurrentFrame$1.getCurrentStack = getCurrentStackInDEV; + } + + var prevResponseState = currentResponseState; + setCurrentResponseState(request.responseState); + + try { + var pingedTasks = request.pingedTasks; + var i; + + for (i = 0; i < pingedTasks.length; i++) { + var task = pingedTasks[i]; + retryTask(request, task); + } + + pingedTasks.splice(0, i); + + if (request.destination !== null) { + flushCompletedQueues(request, request.destination); + } + } catch (error) { + logRecoverableError(request, error); + fatalError(request, error); + } finally { + setCurrentResponseState(prevResponseState); + ReactCurrentDispatcher$1.current = prevDispatcher; + + { + ReactDebugCurrentFrame$1.getCurrentStack = prevGetCurrentStackImpl; + } + + if (prevDispatcher === Dispatcher) { + // This means that we were in a reentrant work loop. This could happen + // in a renderer that supports synchronous work like renderToString, + // when it's called from within another renderer. + // Normally we don't bother switching the contexts to their root/default + // values when leaving because we'll likely need the same or similar + // context again. However, when we're inside a synchronous loop like this + // we'll to restore the context to what it was before returning. + switchContext(prevContext); + } + } +} + +function flushSubtree(request, destination, segment) { + segment.parentFlushed = true; + + switch (segment.status) { + case PENDING: + { + // We're emitting a placeholder for this segment to be filled in later. + // Therefore we'll need to assign it an ID - to refer to it by. + var segmentID = segment.id = request.nextSegmentId++; // When this segment finally completes it won't be embedded in text since it will flush separately + + segment.lastPushedText = false; + segment.textEmbedded = false; + return writePlaceholder(destination, request.responseState, segmentID); + } + + case COMPLETED: + { + segment.status = FLUSHED; + var r = true; + var chunks = segment.chunks; + var chunkIdx = 0; + var children = segment.children; + + for (var childIdx = 0; childIdx < children.length; childIdx++) { + var nextChild = children[childIdx]; // Write all the chunks up until the next child. + + for (; chunkIdx < nextChild.index; chunkIdx++) { + writeChunk(destination, chunks[chunkIdx]); + } + + r = flushSegment(request, destination, nextChild); + } // Finally just write all the remaining chunks + + + for (; chunkIdx < chunks.length - 1; chunkIdx++) { + writeChunk(destination, chunks[chunkIdx]); + } + + if (chunkIdx < chunks.length) { + r = writeChunkAndReturn(destination, chunks[chunkIdx]); + } + + return r; + } + + default: + { + throw new Error('Aborted, errored or already flushed boundaries should not be flushed again. This is a bug in React.'); + } + } +} + +function flushSegment(request, destination, segment) { + var boundary = segment.boundary; + + if (boundary === null) { + // Not a suspense boundary. + return flushSubtree(request, destination, segment); + } + + boundary.parentFlushed = true; // This segment is a Suspense boundary. We need to decide whether to + // emit the content or the fallback now. + + if (boundary.forceClientRender) { + // Emit a client rendered suspense boundary wrapper. + // We never queue the inner boundary so we'll never emit its content or partial segments. + writeStartClientRenderedSuspenseBoundary$1(destination, request.responseState, boundary.errorDigest, boundary.errorMessage, boundary.errorComponentStack); // Flush the fallback. + + flushSubtree(request, destination, segment); + return writeEndClientRenderedSuspenseBoundary$1(destination, request.responseState); + } else if (boundary.pendingTasks > 0) { + // This boundary is still loading. Emit a pending suspense boundary wrapper. + // Assign an ID to refer to the future content by. + boundary.rootSegmentID = request.nextSegmentId++; + + if (boundary.completedSegments.length > 0) { + // If this is at least partially complete, we can queue it to be partially emitted early. + request.partialBoundaries.push(boundary); + } /// This is the first time we should have referenced this ID. + + + var id = boundary.id = assignSuspenseBoundaryID(request.responseState); + writeStartPendingSuspenseBoundary(destination, request.responseState, id); // Flush the fallback. + + flushSubtree(request, destination, segment); + return writeEndPendingSuspenseBoundary(destination, request.responseState); + } else if (boundary.byteSize > request.progressiveChunkSize) { + // This boundary is large and will be emitted separately so that we can progressively show + // other content. We add it to the queue during the flush because we have to ensure that + // the parent flushes first so that there's something to inject it into. + // We also have to make sure that it's emitted into the queue in a deterministic slot. + // I.e. we can't insert it here when it completes. + // Assign an ID to refer to the future content by. + boundary.rootSegmentID = request.nextSegmentId++; + request.completedBoundaries.push(boundary); // Emit a pending rendered suspense boundary wrapper. + + writeStartPendingSuspenseBoundary(destination, request.responseState, boundary.id); // Flush the fallback. + + flushSubtree(request, destination, segment); + return writeEndPendingSuspenseBoundary(destination, request.responseState); + } else { + // We can inline this boundary's content as a complete boundary. + writeStartCompletedSuspenseBoundary$1(destination, request.responseState); + var completedSegments = boundary.completedSegments; + + if (completedSegments.length !== 1) { + throw new Error('A previously unvisited boundary must have exactly one root segment. This is a bug in React.'); + } + + var contentSegment = completedSegments[0]; + flushSegment(request, destination, contentSegment); + return writeEndCompletedSuspenseBoundary$1(destination, request.responseState); + } +} + +function flushClientRenderedBoundary(request, destination, boundary) { + return writeClientRenderBoundaryInstruction(destination, request.responseState, boundary.id, boundary.errorDigest, boundary.errorMessage, boundary.errorComponentStack); +} + +function flushSegmentContainer(request, destination, segment) { + writeStartSegment(destination, request.responseState, segment.formatContext, segment.id); + flushSegment(request, destination, segment); + return writeEndSegment(destination, segment.formatContext); +} + +function flushCompletedBoundary(request, destination, boundary) { + var completedSegments = boundary.completedSegments; + var i = 0; + + for (; i < completedSegments.length; i++) { + var segment = completedSegments[i]; + flushPartiallyCompletedSegment(request, destination, boundary, segment); + } + + completedSegments.length = 0; + return writeCompletedBoundaryInstruction(destination, request.responseState, boundary.id, boundary.rootSegmentID); +} + +function flushPartialBoundary(request, destination, boundary) { + var completedSegments = boundary.completedSegments; + var i = 0; + + for (; i < completedSegments.length; i++) { + var segment = completedSegments[i]; + + if (!flushPartiallyCompletedSegment(request, destination, boundary, segment)) { + i++; + completedSegments.splice(0, i); // Only write as much as the buffer wants. Something higher priority + // might want to write later. + + return false; + } + } + + completedSegments.splice(0, i); + return true; +} + +function flushPartiallyCompletedSegment(request, destination, boundary, segment) { + if (segment.status === FLUSHED) { + // We've already flushed this inline. + return true; + } + + var segmentID = segment.id; + + if (segmentID === -1) { + // This segment wasn't previously referred to. This happens at the root of + // a boundary. We make kind of a leap here and assume this is the root. + var rootSegmentID = segment.id = boundary.rootSegmentID; + + if (rootSegmentID === -1) { + throw new Error('A root segment ID must have been assigned by now. This is a bug in React.'); + } + + return flushSegmentContainer(request, destination, segment); + } else { + flushSegmentContainer(request, destination, segment); + return writeCompletedSegmentInstruction(destination, request.responseState, segmentID); + } +} + +function flushCompletedQueues(request, destination) { + + try { + // The structure of this is to go through each queue one by one and write + // until the sink tells us to stop. When we should stop, we still finish writing + // that item fully and then yield. At that point we remove the already completed + // items up until the point we completed them. + // TODO: Emit preloading. + // TODO: It's kind of unfortunate to keep checking this array after we've already + // emitted the root. + var completedRootSegment = request.completedRootSegment; + + if (completedRootSegment !== null && request.pendingRootTasks === 0) { + flushSegment(request, destination, completedRootSegment); + request.completedRootSegment = null; + writeCompletedRoot(destination, request.responseState); + } // We emit client rendering instructions for already emitted boundaries first. + // This is so that we can signal to the client to start client rendering them as + // soon as possible. + + + var clientRenderedBoundaries = request.clientRenderedBoundaries; + var i; + + for (i = 0; i < clientRenderedBoundaries.length; i++) { + var boundary = clientRenderedBoundaries[i]; + + if (!flushClientRenderedBoundary(request, destination, boundary)) { + request.destination = null; + i++; + clientRenderedBoundaries.splice(0, i); + return; + } + } + + clientRenderedBoundaries.splice(0, i); // Next we emit any complete boundaries. It's better to favor boundaries + // that are completely done since we can actually show them, than it is to emit + // any individual segments from a partially complete boundary. + + var completedBoundaries = request.completedBoundaries; + + for (i = 0; i < completedBoundaries.length; i++) { + var _boundary = completedBoundaries[i]; + + if (!flushCompletedBoundary(request, destination, _boundary)) { + request.destination = null; + i++; + completedBoundaries.splice(0, i); + return; + } + } + + completedBoundaries.splice(0, i); // Allow anything written so far to flush to the underlying sink before + // we continue with lower priorities. + + completeWriting(destination); + beginWriting(destination); // TODO: Here we'll emit data used by hydration. + // Next we emit any segments of any boundaries that are partially complete + // but not deeply complete. + + var partialBoundaries = request.partialBoundaries; + + for (i = 0; i < partialBoundaries.length; i++) { + var _boundary2 = partialBoundaries[i]; + + if (!flushPartialBoundary(request, destination, _boundary2)) { + request.destination = null; + i++; + partialBoundaries.splice(0, i); + return; + } + } + + partialBoundaries.splice(0, i); // Next we check the completed boundaries again. This may have had + // boundaries added to it in case they were too larged to be inlined. + // New ones might be added in this loop. + + var largeBoundaries = request.completedBoundaries; + + for (i = 0; i < largeBoundaries.length; i++) { + var _boundary3 = largeBoundaries[i]; + + if (!flushCompletedBoundary(request, destination, _boundary3)) { + request.destination = null; + i++; + largeBoundaries.splice(0, i); + return; + } + } + + largeBoundaries.splice(0, i); + } finally { + + if (request.allPendingTasks === 0 && request.pingedTasks.length === 0 && request.clientRenderedBoundaries.length === 0 && request.completedBoundaries.length === 0 // We don't need to check any partially completed segments because + // either they have pending task or they're complete. + ) { + { + if (request.abortableTasks.size !== 0) { + error('There was still abortable task at the root when we closed. This is a bug in React.'); + } + } // We're done. + + + close(destination); + } + } +} + +function startWork(request) { + scheduleWork(function () { + return performWork(request); + }); +} +function startFlowing(request, destination) { + if (request.status === CLOSING) { + request.status = CLOSED; + closeWithError(destination, request.fatalError); + return; + } + + if (request.status === CLOSED) { + return; + } + + if (request.destination !== null) { + // We're already flowing. + return; + } + + request.destination = destination; + + try { + flushCompletedQueues(request, destination); + } catch (error) { + logRecoverableError(request, error); + fatalError(request, error); + } +} // This is called to early terminate a request. It puts all pending boundaries in client rendered state. + +function abort(request, reason) { + try { + var abortableTasks = request.abortableTasks; + abortableTasks.forEach(function (task) { + return abortTask(task, request, reason); + }); + abortableTasks.clear(); + + if (request.destination !== null) { + flushCompletedQueues(request, request.destination); + } + } catch (error) { + logRecoverableError(request, error); + fatalError(request, error); + } +} + +function onError() {// Non-fatal errors are ignored. +} + +function renderToStringImpl(children, options, generateStaticMarkup, abortReason) { + var didFatal = false; + var fatalError = null; + var result = ''; + var destination = { + push: function (chunk) { + if (chunk !== null) { + result += chunk; + } + + return true; + }, + destroy: function (error) { + didFatal = true; + fatalError = error; + } + }; + var readyToStream = false; + + function onShellReady() { + readyToStream = true; + } + + var request = createRequest(children, createResponseState$1(generateStaticMarkup, options ? options.identifierPrefix : undefined), createRootFormatContext(), Infinity, onError, undefined, onShellReady, undefined, undefined); + startWork(request); // If anything suspended and is still pending, we'll abort it before writing. + // That way we write only client-rendered boundaries from the start. + + abort(request, abortReason); + startFlowing(request, destination); + + if (didFatal) { + throw fatalError; + } + + if (!readyToStream) { + // Note: This error message is the one we use on the client. It doesn't + // really make sense here. But this is the legacy server renderer, anyway. + // We're going to delete it soon. + throw new Error('A component suspended while responding to synchronous input. This ' + 'will cause the UI to be replaced with a loading indicator. To fix, ' + 'updates that suspend should be wrapped with startTransition.'); + } + + return result; +} + +function renderToString(children, options) { + return renderToStringImpl(children, options, false, 'The server used "renderToString" which does not support Suspense. If you intended for this Suspense boundary to render the fallback content on the server consider throwing an Error somewhere within the Suspense boundary. If you intended to have the server wait for the suspended component please switch to "renderToReadableStream" which supports Suspense on the server'); +} + +function renderToStaticMarkup(children, options) { + return renderToStringImpl(children, options, true, 'The server used "renderToStaticMarkup" which does not support Suspense. If you intended to have the server wait for the suspended component please switch to "renderToReadableStream" which supports Suspense on the server'); +} + +function renderToNodeStream() { + throw new Error('ReactDOMServer.renderToNodeStream(): The streaming API is not available ' + 'in the browser. Use ReactDOMServer.renderToString() instead.'); +} + +function renderToStaticNodeStream() { + throw new Error('ReactDOMServer.renderToStaticNodeStream(): The streaming API is not available ' + 'in the browser. Use ReactDOMServer.renderToStaticMarkup() instead.'); +} + +exports.renderToNodeStream = renderToNodeStream; +exports.renderToStaticMarkup = renderToStaticMarkup; +exports.renderToStaticNodeStream = renderToStaticNodeStream; +exports.renderToString = renderToString; +exports.version = ReactVersion; + })(); +} diff --git a/node_modules/react-dom/cjs/react-dom-server-legacy.browser.production.min.js b/node_modules/react-dom/cjs/react-dom-server-legacy.browser.production.min.js new file mode 100644 index 0000000..1568365 --- /dev/null +++ b/node_modules/react-dom/cjs/react-dom-server-legacy.browser.production.min.js @@ -0,0 +1,93 @@ +/** + * @license React + * react-dom-server-legacy.browser.production.min.js + * + * Copyright (c) Facebook, Inc. and its affiliates. + * + * This source code is licensed under the MIT license found in the + * LICENSE file in the root directory of this source tree. + */ +'use strict';var aa=require("react");function l(a){for(var b="https://reactjs.org/docs/error-decoder.html?invariant="+a,c=1;c