index.js

// node_modules/codemirror/src/util/browser.js
var userAgent = navigator.userAgent;
var platform = navigator.platform;
var gecko = /gecko\/\d/i.test(userAgent);
var ie_upto10 = /MSIE \d/.test(userAgent);
var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent);
var edge = /Edge\/(\d+)/.exec(userAgent);
var ie = ie_upto10 || ie_11up || edge;
var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1]);
var webkit = !edge && /WebKit\//.test(userAgent);
var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent);
var chrome = !edge && /Chrome\//.test(userAgent);
var presto = /Opera\//.test(userAgent);
var safari = /Apple Computer/.test(navigator.vendor);
var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent);
var phantom = /PhantomJS/.test(userAgent);
var ios = safari && (/Mobile\/\w+/.test(userAgent) || navigator.maxTouchPoints > 2);
var android = /Android/.test(userAgent);
var mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent);
var mac = ios || /Mac/.test(platform);
var chromeOS = /\bCrOS\b/.test(userAgent);
var windows = /win/i.test(platform);
var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/);
if (presto_version)
  presto_version = Number(presto_version[1]);
if (presto_version && presto_version >= 15) {
  presto = false;
  webkit = true;
}
var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11));
var captureRightClick = gecko || ie && ie_version >= 9;

// node_modules/codemirror/src/util/dom.js
function classTest(cls) {
  return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*");
}
var rmClass = function(node, cls) {
  let current = node.className;
  let match = classTest(cls).exec(current);
  if (match) {
    let after = current.slice(match.index + match[0].length);
    node.className = current.slice(0, match.index) + (after ? match[1] + after : "");
  }
};
function removeChildren(e) {
  for (let count = e.childNodes.length; count > 0; --count)
    e.removeChild(e.firstChild);
  return e;
}
function removeChildrenAndAdd(parent, e) {
  return removeChildren(parent).appendChild(e);
}
function elt(tag, content, className, style) {
  let e = document.createElement(tag);
  if (className)
    e.className = className;
  if (style)
    e.style.cssText = style;
  if (typeof content == "string")
    e.appendChild(document.createTextNode(content));
  else if (content)
    for (let i = 0; i < content.length; ++i)
      e.appendChild(content[i]);
  return e;
}
function eltP(tag, content, className, style) {
  let e = elt(tag, content, className, style);
  e.setAttribute("role", "presentation");
  return e;
}
var range;
if (document.createRange)
  range = function(node, start, end, endNode) {
    let r = document.createRange();
    r.setEnd(endNode || node, end);
    r.setStart(node, start);
    return r;
  };
else
  range = function(node, start, end) {
    let r = document.body.createTextRange();
    try {
      r.moveToElementText(node.parentNode);
    } catch (e) {
      return r;
    }
    r.collapse(true);
    r.moveEnd("character", end);
    r.moveStart("character", start);
    return r;
  };
function contains(parent, child) {
  if (child.nodeType == 3)
    child = child.parentNode;
  if (parent.contains)
    return parent.contains(child);
  do {
    if (child.nodeType == 11)
      child = child.host;
    if (child == parent)
      return true;
  } while (child = child.parentNode);
}
function activeElt() {
  let activeElement;
  try {
    activeElement = document.activeElement;
  } catch (e) {
    activeElement = document.body || null;
  }
  while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement)
    activeElement = activeElement.shadowRoot.activeElement;
  return activeElement;
}
function addClass(node, cls) {
  let current = node.className;
  if (!classTest(cls).test(current))
    node.className += (current ? " " : "") + cls;
}
function joinClasses(a, b) {
  let as = a.split(" ");
  for (let i = 0; i < as.length; i++)
    if (as[i] && !classTest(as[i]).test(b))
      b += " " + as[i];
  return b;
}
var selectInput = function(node) {
  node.select();
};
if (ios)
  selectInput = function(node) {
    node.selectionStart = 0;
    node.selectionEnd = node.value.length;
  };
else if (ie)
  selectInput = function(node) {
    try {
      node.select();
    } catch (_e) {
    }
  };

// node_modules/codemirror/src/util/misc.js
function bind(f) {
  let args = Array.prototype.slice.call(arguments, 1);
  return function() {
    return f.apply(null, args);
  };
}
function copyObj(obj, target, overwrite) {
  if (!target)
    target = {};
  for (let prop in obj)
    if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
      target[prop] = obj[prop];
  return target;
}
function countColumn(string, end, tabSize, startIndex, startValue) {
  if (end == null) {
    end = string.search(/[^\s\u00a0]/);
    if (end == -1)
      end = string.length;
  }
  for (let i = startIndex || 0, n = startValue || 0; ; ) {
    let nextTab = string.indexOf("	", i);
    if (nextTab < 0 || nextTab >= end)
      return n + (end - i);
    n += nextTab - i;
    n += tabSize - n % tabSize;
    i = nextTab + 1;
  }
}
var Delayed = class {
  constructor() {
    this.id = null;
    this.f = null;
    this.time = 0;
    this.handler = bind(this.onTimeout, this);
  }
  onTimeout(self2) {
    self2.id = 0;
    if (self2.time <= +new Date()) {
      self2.f();
    } else {
      setTimeout(self2.handler, self2.time - +new Date());
    }
  }
  set(ms, f) {
    this.f = f;
    const time = +new Date() + ms;
    if (!this.id || time < this.time) {
      clearTimeout(this.id);
      this.id = setTimeout(this.handler, ms);
      this.time = time;
    }
  }
};
function indexOf(array, elt2) {
  for (let i = 0; i < array.length; ++i)
    if (array[i] == elt2)
      return i;
  return -1;
}
var scrollerGap = 50;
var Pass = {toString: function() {
  return "CodeMirror.Pass";
}};
var sel_dontScroll = {scroll: false};
var sel_mouse = {origin: "*mouse"};
var sel_move = {origin: "+move"};
function findColumn(string, goal, tabSize) {
  for (let pos = 0, col = 0; ; ) {
    let nextTab = string.indexOf("	", pos);
    if (nextTab == -1)
      nextTab = string.length;
    let skipped = nextTab - pos;
    if (nextTab == string.length || col + skipped >= goal)
      return pos + Math.min(skipped, goal - col);
    col += nextTab - pos;
    col += tabSize - col % tabSize;
    pos = nextTab + 1;
    if (col >= goal)
      return pos;
  }
}
var spaceStrs = [""];
function spaceStr(n) {
  while (spaceStrs.length <= n)
    spaceStrs.push(lst(spaceStrs) + " ");
  return spaceStrs[n];
}
function lst(arr) {
  return arr[arr.length - 1];
}
function map(array, f) {
  let out = [];
  for (let i = 0; i < array.length; i++)
    out[i] = f(array[i], i);
  return out;
}
function insertSorted(array, value, score) {
  let pos = 0, priority = score(value);
  while (pos < array.length && score(array[pos]) <= priority)
    pos++;
  array.splice(pos, 0, value);
}
function nothing() {
}
function createObj(base, props) {
  let inst;
  if (Object.create) {
    inst = Object.create(base);
  } else {
    nothing.prototype = base;
    inst = new nothing();
  }
  if (props)
    copyObj(props, inst);
  return inst;
}
var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/;
function isWordCharBasic(ch) {
  return /\w/.test(ch) || ch > "\x80" && (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch));
}
function isWordChar(ch, helper) {
  if (!helper)
    return isWordCharBasic(ch);
  if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch))
    return true;
  return helper.test(ch);
}
function isEmpty(obj) {
  for (let n in obj)
    if (obj.hasOwnProperty(n) && obj[n])
      return false;
  return true;
}
var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/;
function isExtendingChar(ch) {
  return ch.charCodeAt(0) >= 768 && extendingChars.test(ch);
}
function skipExtendingChars(str, pos, dir) {
  while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos)))
    pos += dir;
  return pos;
}
function findFirst(pred, from, to) {
  let dir = from > to ? -1 : 1;
  for (; ; ) {
    if (from == to)
      return from;
    let midF = (from + to) / 2, mid = dir < 0 ? Math.ceil(midF) : Math.floor(midF);
    if (mid == from)
      return pred(mid) ? from : to;
    if (pred(mid))
      to = mid;
    else
      from = mid + dir;
  }
}

// node_modules/codemirror/src/util/bidi.js
function iterateBidiSections(order, from, to, f) {
  if (!order)
    return f(from, to, "ltr", 0);
  let found = false;
  for (let i = 0; i < order.length; ++i) {
    let part = order[i];
    if (part.from < to && part.to > from || from == to && part.to == from) {
      f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr", i);
      found = true;
    }
  }
  if (!found)
    f(from, to, "ltr");
}
var bidiOther = null;
function getBidiPartAt(order, ch, sticky) {
  let found;
  bidiOther = null;
  for (let i = 0; i < order.length; ++i) {
    let cur = order[i];
    if (cur.from < ch && cur.to > ch)
      return i;
    if (cur.to == ch) {
      if (cur.from != cur.to && sticky == "before")
        found = i;
      else
        bidiOther = i;
    }
    if (cur.from == ch) {
      if (cur.from != cur.to && sticky != "before")
        found = i;
      else
        bidiOther = i;
    }
  }
  return found != null ? found : bidiOther;
}
var bidiOrdering = function() {
  let lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN";
  let arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111";
  function charType(code) {
    if (code <= 247)
      return lowTypes.charAt(code);
    else if (1424 <= code && code <= 1524)
      return "R";
    else if (1536 <= code && code <= 1785)
      return arabicTypes.charAt(code - 1536);
    else if (1774 <= code && code <= 2220)
      return "r";
    else if (8192 <= code && code <= 8203)
      return "w";
    else if (code == 8204)
      return "b";
    else
      return "L";
  }
  let bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;
  let isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;
  function BidiSpan(level, from, to) {
    this.level = level;
    this.from = from;
    this.to = to;
  }
  return function(str, direction) {
    let outerType = direction == "ltr" ? "L" : "R";
    if (str.length == 0 || direction == "ltr" && !bidiRE.test(str))
      return false;
    let len = str.length, types = [];
    for (let i = 0; i < len; ++i)
      types.push(charType(str.charCodeAt(i)));
    for (let i = 0, prev = outerType; i < len; ++i) {
      let type = types[i];
      if (type == "m")
        types[i] = prev;
      else
        prev = type;
    }
    for (let i = 0, cur = outerType; i < len; ++i) {
      let type = types[i];
      if (type == "1" && cur == "r")
        types[i] = "n";
      else if (isStrong.test(type)) {
        cur = type;
        if (type == "r")
          types[i] = "R";
      }
    }
    for (let i = 1, prev = types[0]; i < len - 1; ++i) {
      let type = types[i];
      if (type == "+" && prev == "1" && types[i + 1] == "1")
        types[i] = "1";
      else if (type == "," && prev == types[i + 1] && (prev == "1" || prev == "n"))
        types[i] = prev;
      prev = type;
    }
    for (let i = 0; i < len; ++i) {
      let type = types[i];
      if (type == ",")
        types[i] = "N";
      else if (type == "%") {
        let end;
        for (end = i + 1; end < len && types[end] == "%"; ++end) {
        }
        let replace = i && types[i - 1] == "!" || end < len && types[end] == "1" ? "1" : "N";
        for (let j = i; j < end; ++j)
          types[j] = replace;
        i = end - 1;
      }
    }
    for (let i = 0, cur = outerType; i < len; ++i) {
      let type = types[i];
      if (cur == "L" && type == "1")
        types[i] = "L";
      else if (isStrong.test(type))
        cur = type;
    }
    for (let i = 0; i < len; ++i) {
      if (isNeutral.test(types[i])) {
        let end;
        for (end = i + 1; end < len && isNeutral.test(types[end]); ++end) {
        }
        let before = (i ? types[i - 1] : outerType) == "L";
        let after = (end < len ? types[end] : outerType) == "L";
        let replace = before == after ? before ? "L" : "R" : outerType;
        for (let j = i; j < end; ++j)
          types[j] = replace;
        i = end - 1;
      }
    }
    let order = [], m;
    for (let i = 0; i < len; ) {
      if (countsAsLeft.test(types[i])) {
        let start = i;
        for (++i; i < len && countsAsLeft.test(types[i]); ++i) {
        }
        order.push(new BidiSpan(0, start, i));
      } else {
        let pos = i, at = order.length, isRTL = direction == "rtl" ? 1 : 0;
        for (++i; i < len && types[i] != "L"; ++i) {
        }
        for (let j = pos; j < i; ) {
          if (countsAsNum.test(types[j])) {
            if (pos < j) {
              order.splice(at, 0, new BidiSpan(1, pos, j));
              at += isRTL;
            }
            let nstart = j;
            for (++j; j < i && countsAsNum.test(types[j]); ++j) {
            }
            order.splice(at, 0, new BidiSpan(2, nstart, j));
            at += isRTL;
            pos = j;
          } else
            ++j;
        }
        if (pos < i)
          order.splice(at, 0, new BidiSpan(1, pos, i));
      }
    }
    if (direction == "ltr") {
      if (order[0].level == 1 && (m = str.match(/^\s+/))) {
        order[0].from = m[0].length;
        order.unshift(new BidiSpan(0, 0, m[0].length));
      }
      if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
        lst(order).to -= m[0].length;
        order.push(new BidiSpan(0, len - m[0].length, len));
      }
    }
    return direction == "rtl" ? order.reverse() : order;
  };
}();
function getOrder(line, direction) {
  let order = line.order;
  if (order == null)
    order = line.order = bidiOrdering(line.text, direction);
  return order;
}

// node_modules/codemirror/src/util/event.js
var noHandlers = [];
var on = function(emitter, type, f) {
  if (emitter.addEventListener) {
    emitter.addEventListener(type, f, false);
  } else if (emitter.attachEvent) {
    emitter.attachEvent("on" + type, f);
  } else {
    let map2 = emitter._handlers || (emitter._handlers = {});
    map2[type] = (map2[type] || noHandlers).concat(f);
  }
};
function getHandlers(emitter, type) {
  return emitter._handlers && emitter._handlers[type] || noHandlers;
}
function off(emitter, type, f) {
  if (emitter.removeEventListener) {
    emitter.removeEventListener(type, f, false);
  } else if (emitter.detachEvent) {
    emitter.detachEvent("on" + type, f);
  } else {
    let map2 = emitter._handlers, arr = map2 && map2[type];
    if (arr) {
      let index = indexOf(arr, f);
      if (index > -1)
        map2[type] = arr.slice(0, index).concat(arr.slice(index + 1));
    }
  }
}
function signal(emitter, type) {
  let handlers = getHandlers(emitter, type);
  if (!handlers.length)
    return;
  let args = Array.prototype.slice.call(arguments, 2);
  for (let i = 0; i < handlers.length; ++i)
    handlers[i].apply(null, args);
}
function signalDOMEvent(cm, e, override) {
  if (typeof e == "string")
    e = {type: e, preventDefault: function() {
      this.defaultPrevented = true;
    }};
  signal(cm, override || e.type, cm, e);
  return e_defaultPrevented(e) || e.codemirrorIgnore;
}
function signalCursorActivity(cm) {
  let arr = cm._handlers && cm._handlers.cursorActivity;
  if (!arr)
    return;
  let set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []);
  for (let i = 0; i < arr.length; ++i)
    if (indexOf(set, arr[i]) == -1)
      set.push(arr[i]);
}
function hasHandler(emitter, type) {
  return getHandlers(emitter, type).length > 0;
}
function eventMixin(ctor) {
  ctor.prototype.on = function(type, f) {
    on(this, type, f);
  };
  ctor.prototype.off = function(type, f) {
    off(this, type, f);
  };
}
function e_preventDefault(e) {
  if (e.preventDefault)
    e.preventDefault();
  else
    e.returnValue = false;
}
function e_stopPropagation(e) {
  if (e.stopPropagation)
    e.stopPropagation();
  else
    e.cancelBubble = true;
}
function e_defaultPrevented(e) {
  return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false;
}
function e_stop(e) {
  e_preventDefault(e);
  e_stopPropagation(e);
}
function e_target(e) {
  return e.target || e.srcElement;
}
function e_button(e) {
  let b = e.which;
  if (b == null) {
    if (e.button & 1)
      b = 1;
    else if (e.button & 2)
      b = 3;
    else if (e.button & 4)
      b = 2;
  }
  if (mac && e.ctrlKey && b == 1)
    b = 3;
  return b;
}

// node_modules/codemirror/src/util/feature_detection.js
var dragAndDrop = function() {
  if (ie && ie_version < 9)
    return false;
  let div = elt("div");
  return "draggable" in div || "dragDrop" in div;
}();
var zwspSupported;
function zeroWidthElement(measure) {
  if (zwspSupported == null) {
    let test = elt("span", "\u200B");
    removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));
    if (measure.firstChild.offsetHeight != 0)
      zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8);
  }
  let node = zwspSupported ? elt("span", "\u200B") : elt("span", "\xA0", null, "display: inline-block; width: 1px; margin-right: -1px");
  node.setAttribute("cm-text", "");
  return node;
}
var badBidiRects;
function hasBadBidiRects(measure) {
  if (badBidiRects != null)
    return badBidiRects;
  let txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062EA"));
  let r0 = range(txt, 0, 1).getBoundingClientRect();
  let r1 = range(txt, 1, 2).getBoundingClientRect();
  removeChildren(measure);
  if (!r0 || r0.left == r0.right)
    return false;
  return badBidiRects = r1.right - r0.right < 3;
}
var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? (string) => {
  let pos = 0, result = [], l = string.length;
  while (pos <= l) {
    let nl = string.indexOf("\n", pos);
    if (nl == -1)
      nl = string.length;
    let line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl);
    let rt = line.indexOf("\r");
    if (rt != -1) {
      result.push(line.slice(0, rt));
      pos += rt + 1;
    } else {
      result.push(line);
      pos = nl + 1;
    }
  }
  return result;
} : (string) => string.split(/\r\n?|\n/);
var hasSelection = window.getSelection ? (te) => {
  try {
    return te.selectionStart != te.selectionEnd;
  } catch (e) {
    return false;
  }
} : (te) => {
  let range2;
  try {
    range2 = te.ownerDocument.selection.createRange();
  } catch (e) {
  }
  if (!range2 || range2.parentElement() != te)
    return false;
  return range2.compareEndPoints("StartToEnd", range2) != 0;
};
var hasCopyEvent = (() => {
  let e = elt("div");
  if ("oncopy" in e)
    return true;
  e.setAttribute("oncopy", "return;");
  return typeof e.oncopy == "function";
})();
var badZoomedRects = null;
function hasBadZoomedRects(measure) {
  if (badZoomedRects != null)
    return badZoomedRects;
  let node = removeChildrenAndAdd(measure, elt("span", "x"));
  let normal = node.getBoundingClientRect();
  let fromRange = range(node, 0, 1).getBoundingClientRect();
  return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1;
}

// node_modules/codemirror/src/modes.js
var modes = {};
var mimeModes = {};
function defineMode(name, mode) {
  if (arguments.length > 2)
    mode.dependencies = Array.prototype.slice.call(arguments, 2);
  modes[name] = mode;
}
function defineMIME(mime, spec) {
  mimeModes[mime] = spec;
}
function resolveMode(spec) {
  if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
    spec = mimeModes[spec];
  } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
    let found = mimeModes[spec.name];
    if (typeof found == "string")
      found = {name: found};
    spec = createObj(found, spec);
    spec.name = found.name;
  } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
    return resolveMode("application/xml");
  } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) {
    return resolveMode("application/json");
  }
  if (typeof spec == "string")
    return {name: spec};
  else
    return spec || {name: "null"};
}
function getMode(options, spec) {
  spec = resolveMode(spec);
  let mfactory = modes[spec.name];
  if (!mfactory)
    return getMode(options, "text/plain");
  let modeObj = mfactory(options, spec);
  if (modeExtensions.hasOwnProperty(spec.name)) {
    let exts = modeExtensions[spec.name];
    for (let prop in exts) {
      if (!exts.hasOwnProperty(prop))
        continue;
      if (modeObj.hasOwnProperty(prop))
        modeObj["_" + prop] = modeObj[prop];
      modeObj[prop] = exts[prop];
    }
  }
  modeObj.name = spec.name;
  if (spec.helperType)
    modeObj.helperType = spec.helperType;
  if (spec.modeProps)
    for (let prop in spec.modeProps)
      modeObj[prop] = spec.modeProps[prop];
  return modeObj;
}
var modeExtensions = {};
function extendMode(mode, properties) {
  let exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : modeExtensions[mode] = {};
  copyObj(properties, exts);
}
function copyState(mode, state) {
  if (state === true)
    return state;
  if (mode.copyState)
    return mode.copyState(state);
  let nstate = {};
  for (let n in state) {
    let val = state[n];
    if (val instanceof Array)
      val = val.concat([]);
    nstate[n] = val;
  }
  return nstate;
}
function innerMode(mode, state) {
  let info;
  while (mode.innerMode) {
    info = mode.innerMode(state);
    if (!info || info.mode == mode)
      break;
    state = info.state;
    mode = info.mode;
  }
  return info || {mode, state};
}
function startState(mode, a1, a2) {
  return mode.startState ? mode.startState(a1, a2) : true;
}

// node_modules/codemirror/src/util/StringStream.js
var StringStream = class {
  constructor(string, tabSize, lineOracle) {
    this.pos = this.start = 0;
    this.string = string;
    this.tabSize = tabSize || 8;
    this.lastColumnPos = this.lastColumnValue = 0;
    this.lineStart = 0;
    this.lineOracle = lineOracle;
  }
  eol() {
    return this.pos >= this.string.length;
  }
  sol() {
    return this.pos == this.lineStart;
  }
  peek() {
    return this.string.charAt(this.pos) || void 0;
  }
  next() {
    if (this.pos < this.string.length)
      return this.string.charAt(this.pos++);
  }
  eat(match) {
    let ch = this.string.charAt(this.pos);
    let ok;
    if (typeof match == "string")
      ok = ch == match;
    else
      ok = ch && (match.test ? match.test(ch) : match(ch));
    if (ok) {
      ++this.pos;
      return ch;
    }
  }
  eatWhile(match) {
    let start = this.pos;
    while (this.eat(match)) {
    }
    return this.pos > start;
  }
  eatSpace() {
    let start = this.pos;
    while (/[\s\u00a0]/.test(this.string.charAt(this.pos)))
      ++this.pos;
    return this.pos > start;
  }
  skipToEnd() {
    this.pos = this.string.length;
  }
  skipTo(ch) {
    let found = this.string.indexOf(ch, this.pos);
    if (found > -1) {
      this.pos = found;
      return true;
    }
  }
  backUp(n) {
    this.pos -= n;
  }
  column() {
    if (this.lastColumnPos < this.start) {
      this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
      this.lastColumnPos = this.start;
    }
    return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0);
  }
  indentation() {
    return countColumn(this.string, null, this.tabSize) - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0);
  }
  match(pattern, consume, caseInsensitive) {
    if (typeof pattern == "string") {
      let cased = (str) => caseInsensitive ? str.toLowerCase() : str;
      let substr = this.string.substr(this.pos, pattern.length);
      if (cased(substr) == cased(pattern)) {
        if (consume !== false)
          this.pos += pattern.length;
        return true;
      }
    } else {
      let match = this.string.slice(this.pos).match(pattern);
      if (match && match.index > 0)
        return null;
      if (match && consume !== false)
        this.pos += match[0].length;
      return match;
    }
  }
  current() {
    return this.string.slice(this.start, this.pos);
  }
  hideFirstChars(n, inner) {
    this.lineStart += n;
    try {
      return inner();
    } finally {
      this.lineStart -= n;
    }
  }
  lookAhead(n) {
    let oracle = this.lineOracle;
    return oracle && oracle.lookAhead(n);
  }
  baseToken() {
    let oracle = this.lineOracle;
    return oracle && oracle.baseToken(this.pos);
  }
};
var StringStream_default = StringStream;

// node_modules/codemirror/src/line/utils_line.js
function getLine(doc, n) {
  n -= doc.first;
  if (n < 0 || n >= doc.size)
    throw new Error("There is no line " + (n + doc.first) + " in the document.");
  let chunk = doc;
  while (!chunk.lines) {
    for (let i = 0; ; ++i) {
      let child = chunk.children[i], sz = child.chunkSize();
      if (n < sz) {
        chunk = child;
        break;
      }
      n -= sz;
    }
  }
  return chunk.lines[n];
}
function getBetween(doc, start, end) {
  let out = [], n = start.line;
  doc.iter(start.line, end.line + 1, (line) => {
    let text = line.text;
    if (n == end.line)
      text = text.slice(0, end.ch);
    if (n == start.line)
      text = text.slice(start.ch);
    out.push(text);
    ++n;
  });
  return out;
}
function getLines(doc, from, to) {
  let out = [];
  doc.iter(from, to, (line) => {
    out.push(line.text);
  });
  return out;
}
function updateLineHeight(line, height) {
  let diff = height - line.height;
  if (diff)
    for (let n = line; n; n = n.parent)
      n.height += diff;
}
function lineNo(line) {
  if (line.parent == null)
    return null;
  let cur = line.parent, no = indexOf(cur.lines, line);
  for (let chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
    for (let i = 0; ; ++i) {
      if (chunk.children[i] == cur)
        break;
      no += chunk.children[i].chunkSize();
    }
  }
  return no + cur.first;
}
function lineAtHeight(chunk, h) {
  let n = chunk.first;
  outer:
    do {
      for (let i2 = 0; i2 < chunk.children.length; ++i2) {
        let child = chunk.children[i2], ch = child.height;
        if (h < ch) {
          chunk = child;
          continue outer;
        }
        h -= ch;
        n += child.chunkSize();
      }
      return n;
    } while (!chunk.lines);
  let i = 0;
  for (; i < chunk.lines.length; ++i) {
    let line = chunk.lines[i], lh = line.height;
    if (h < lh)
      break;
    h -= lh;
  }
  return n + i;
}
function isLine(doc, l) {
  return l >= doc.first && l < doc.first + doc.size;
}
function lineNumberFor(options, i) {
  return String(options.lineNumberFormatter(i + options.firstLineNumber));
}

// node_modules/codemirror/src/line/pos.js
function Pos(line, ch, sticky = null) {
  if (!(this instanceof Pos))
    return new Pos(line, ch, sticky);
  this.line = line;
  this.ch = ch;
  this.sticky = sticky;
}
function cmp(a, b) {
  return a.line - b.line || a.ch - b.ch;
}
function equalCursorPos(a, b) {
  return a.sticky == b.sticky && cmp(a, b) == 0;
}
function copyPos(x) {
  return Pos(x.line, x.ch);
}
function maxPos(a, b) {
  return cmp(a, b) < 0 ? b : a;
}
function minPos(a, b) {
  return cmp(a, b) < 0 ? a : b;
}
function clipLine(doc, n) {
  return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1));
}
function clipPos(doc, pos) {
  if (pos.line < doc.first)
    return Pos(doc.first, 0);
  let last = doc.first + doc.size - 1;
  if (pos.line > last)
    return Pos(last, getLine(doc, last).text.length);
  return clipToLen(pos, getLine(doc, pos.line).text.length);
}
function clipToLen(pos, linelen) {
  let ch = pos.ch;
  if (ch == null || ch > linelen)
    return Pos(pos.line, linelen);
  else if (ch < 0)
    return Pos(pos.line, 0);
  else
    return pos;
}
function clipPosArray(doc, array) {
  let out = [];
  for (let i = 0; i < array.length; i++)
    out[i] = clipPos(doc, array[i]);
  return out;
}

// node_modules/codemirror/src/line/highlight.js
var SavedContext = class {
  constructor(state, lookAhead) {
    this.state = state;
    this.lookAhead = lookAhead;
  }
};
var Context = class {
  constructor(doc, state, line, lookAhead) {
    this.state = state;
    this.doc = doc;
    this.line = line;
    this.maxLookAhead = lookAhead || 0;
    this.baseTokens = null;
    this.baseTokenPos = 1;
  }
  lookAhead(n) {
    let line = this.doc.getLine(this.line + n);
    if (line != null && n > this.maxLookAhead)
      this.maxLookAhead = n;
    return line;
  }
  baseToken(n) {
    if (!this.baseTokens)
      return null;
    while (this.baseTokens[this.baseTokenPos] <= n)
      this.baseTokenPos += 2;
    let type = this.baseTokens[this.baseTokenPos + 1];
    return {
      type: type && type.replace(/( |^)overlay .*/, ""),
      size: this.baseTokens[this.baseTokenPos] - n
    };
  }
  nextLine() {
    this.line++;
    if (this.maxLookAhead > 0)
      this.maxLookAhead--;
  }
  static fromSaved(doc, saved, line) {
    if (saved instanceof SavedContext)
      return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead);
    else
      return new Context(doc, copyState(doc.mode, saved), line);
  }
  save(copy) {
    let state = copy !== false ? copyState(this.doc.mode, this.state) : this.state;
    return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state;
  }
};
function highlightLine(cm, line, context, forceToEnd) {
  let st = [cm.state.modeGen], lineClasses = {};
  runMode(cm, line.text, cm.doc.mode, context, (end, style) => st.push(end, style), lineClasses, forceToEnd);
  let state = context.state;
  for (let o = 0; o < cm.state.overlays.length; ++o) {
    context.baseTokens = st;
    let overlay = cm.state.overlays[o], i = 1, at = 0;
    context.state = true;
    runMode(cm, line.text, overlay.mode, context, (end, style) => {
      let start = i;
      while (at < end) {
        let i_end = st[i];
        if (i_end > end)
          st.splice(i, 1, end, st[i + 1], i_end);
        i += 2;
        at = Math.min(end, i_end);
      }
      if (!style)
        return;
      if (overlay.opaque) {
        st.splice(start, i - start, end, "overlay " + style);
        i = start + 2;
      } else {
        for (; start < i; start += 2) {
          let cur = st[start + 1];
          st[start + 1] = (cur ? cur + " " : "") + "overlay " + style;
        }
      }
    }, lineClasses);
    context.state = state;
    context.baseTokens = null;
    context.baseTokenPos = 1;
  }
  return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null};
}
function getLineStyles(cm, line, updateFrontier) {
  if (!line.styles || line.styles[0] != cm.state.modeGen) {
    let context = getContextBefore(cm, lineNo(line));
    let resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state);
    let result = highlightLine(cm, line, context);
    if (resetState)
      context.state = resetState;
    line.stateAfter = context.save(!resetState);
    line.styles = result.styles;
    if (result.classes)
      line.styleClasses = result.classes;
    else if (line.styleClasses)
      line.styleClasses = null;
    if (updateFrontier === cm.doc.highlightFrontier)
      cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier);
  }
  return line.styles;
}
function getContextBefore(cm, n, precise) {
  let doc = cm.doc, display = cm.display;
  if (!doc.mode.startState)
    return new Context(doc, true, n);
  let start = findStartLine(cm, n, precise);
  let saved = start > doc.first && getLine(doc, start - 1).stateAfter;
  let context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start);
  doc.iter(start, n, (line) => {
    processLine(cm, line.text, context);
    let pos = context.line;
    line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null;
    context.nextLine();
  });
  if (precise)
    doc.modeFrontier = context.line;
  return context;
}
function processLine(cm, text, context, startAt) {
  let mode = cm.doc.mode;
  let stream = new StringStream_default(text, cm.options.tabSize, context);
  stream.start = stream.pos = startAt || 0;
  if (text == "")
    callBlankLine(mode, context.state);
  while (!stream.eol()) {
    readToken(mode, stream, context.state);
    stream.start = stream.pos;
  }
}
function callBlankLine(mode, state) {
  if (mode.blankLine)
    return mode.blankLine(state);
  if (!mode.innerMode)
    return;
  let inner = innerMode(mode, state);
  if (inner.mode.blankLine)
    return inner.mode.blankLine(inner.state);
}
function readToken(mode, stream, state, inner) {
  for (let i = 0; i < 10; i++) {
    if (inner)
      inner[0] = innerMode(mode, state).mode;
    let style = mode.token(stream, state);
    if (stream.pos > stream.start)
      return style;
  }
  throw new Error("Mode " + mode.name + " failed to advance stream.");
}
var Token = class {
  constructor(stream, type, state) {
    this.start = stream.start;
    this.end = stream.pos;
    this.string = stream.current();
    this.type = type || null;
    this.state = state;
  }
};
function takeToken(cm, pos, precise, asArray) {
  let doc = cm.doc, mode = doc.mode, style;
  pos = clipPos(doc, pos);
  let line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise);
  let stream = new StringStream_default(line.text, cm.options.tabSize, context), tokens;
  if (asArray)
    tokens = [];
  while ((asArray || stream.pos < pos.ch) && !stream.eol()) {
    stream.start = stream.pos;
    style = readToken(mode, stream, context.state);
    if (asArray)
      tokens.push(new Token(stream, style, copyState(doc.mode, context.state)));
  }
  return asArray ? tokens : new Token(stream, style, context.state);
}
function extractLineClasses(type, output) {
  if (type)
    for (; ; ) {
      let lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/);
      if (!lineClass)
        break;
      type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length);
      let prop = lineClass[1] ? "bgClass" : "textClass";
      if (output[prop] == null)
        output[prop] = lineClass[2];
      else if (!new RegExp("(?:^|\\s)" + lineClass[2] + "(?:$|\\s)").test(output[prop]))
        output[prop] += " " + lineClass[2];
    }
  return type;
}
function runMode(cm, text, mode, context, f, lineClasses, forceToEnd) {
  let flattenSpans = mode.flattenSpans;
  if (flattenSpans == null)
    flattenSpans = cm.options.flattenSpans;
  let curStart = 0, curStyle = null;
  let stream = new StringStream_default(text, cm.options.tabSize, context), style;
  let inner = cm.options.addModeClass && [null];
  if (text == "")
    extractLineClasses(callBlankLine(mode, context.state), lineClasses);
  while (!stream.eol()) {
    if (stream.pos > cm.options.maxHighlightLength) {
      flattenSpans = false;
      if (forceToEnd)
        processLine(cm, text, context, stream.pos);
      stream.pos = text.length;
      style = null;
    } else {
      style = extractLineClasses(readToken(mode, stream, context.state, inner), lineClasses);
    }
    if (inner) {
      let mName = inner[0].name;
      if (mName)
        style = "m-" + (style ? mName + " " + style : mName);
    }
    if (!flattenSpans || curStyle != style) {
      while (curStart < stream.start) {
        curStart = Math.min(stream.start, curStart + 5e3);
        f(curStart, curStyle);
      }
      curStyle = style;
    }
    stream.start = stream.pos;
  }
  while (curStart < stream.pos) {
    let pos = Math.min(stream.pos, curStart + 5e3);
    f(pos, curStyle);
    curStart = pos;
  }
}
function findStartLine(cm, n, precise) {
  let minindent, minline, doc = cm.doc;
  let lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1e3 : 100);
  for (let search = n; search > lim; --search) {
    if (search <= doc.first)
      return doc.first;
    let line = getLine(doc, search - 1), after = line.stateAfter;
    if (after && (!precise || search + (after instanceof SavedContext ? after.lookAhead : 0) <= doc.modeFrontier))
      return search;
    let indented = countColumn(line.text, null, cm.options.tabSize);
    if (minline == null || minindent > indented) {
      minline = search - 1;
      minindent = indented;
    }
  }
  return minline;
}
function retreatFrontier(doc, n) {
  doc.modeFrontier = Math.min(doc.modeFrontier, n);
  if (doc.highlightFrontier < n - 10)
    return;
  let start = doc.first;
  for (let line = n - 1; line > start; line--) {
    let saved = getLine(doc, line).stateAfter;
    if (saved && (!(saved instanceof SavedContext) || line + saved.lookAhead < n)) {
      start = line + 1;
      break;
    }
  }
  doc.highlightFrontier = Math.min(doc.highlightFrontier, start);
}

// node_modules/codemirror/src/line/saw_special_spans.js
var sawReadOnlySpans = false;
var sawCollapsedSpans = false;
function seeReadOnlySpans() {
  sawReadOnlySpans = true;
}
function seeCollapsedSpans() {
  sawCollapsedSpans = true;
}

// node_modules/codemirror/src/line/spans.js
function MarkedSpan(marker, from, to) {
  this.marker = marker;
  this.from = from;
  this.to = to;
}
function getMarkedSpanFor(spans, marker) {
  if (spans)
    for (let i = 0; i < spans.length; ++i) {
      let span = spans[i];
      if (span.marker == marker)
        return span;
    }
}
function removeMarkedSpan(spans, span) {
  let r;
  for (let i = 0; i < spans.length; ++i)
    if (spans[i] != span)
      (r || (r = [])).push(spans[i]);
  return r;
}
function addMarkedSpan(line, span) {
  line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];
  span.marker.attachLine(line);
}
function markedSpansBefore(old, startCh, isInsert) {
  let nw;
  if (old)
    for (let i = 0; i < old.length; ++i) {
      let span = old[i], marker = span.marker;
      let startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);
      if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) {
        let endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh);
        (nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to));
      }
    }
  return nw;
}
function markedSpansAfter(old, endCh, isInsert) {
  let nw;
  if (old)
    for (let i = 0; i < old.length; ++i) {
      let span = old[i], marker = span.marker;
      let endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);
      if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) {
        let startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh);
        (nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh, span.to == null ? null : span.to - endCh));
      }
    }
  return nw;
}
function stretchSpansOverChange(doc, change) {
  if (change.full)
    return null;
  let oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans;
  let oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans;
  if (!oldFirst && !oldLast)
    return null;
  let startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0;
  let first = markedSpansBefore(oldFirst, startCh, isInsert);
  let last = markedSpansAfter(oldLast, endCh, isInsert);
  let sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0);
  if (first) {
    for (let i = 0; i < first.length; ++i) {
      let span = first[i];
      if (span.to == null) {
        let found = getMarkedSpanFor(last, span.marker);
        if (!found)
          span.to = startCh;
        else if (sameLine)
          span.to = found.to == null ? null : found.to + offset;
      }
    }
  }
  if (last) {
    for (let i = 0; i < last.length; ++i) {
      let span = last[i];
      if (span.to != null)
        span.to += offset;
      if (span.from == null) {
        let found = getMarkedSpanFor(first, span.marker);
        if (!found) {
          span.from = offset;
          if (sameLine)
            (first || (first = [])).push(span);
        }
      } else {
        span.from += offset;
        if (sameLine)
          (first || (first = [])).push(span);
      }
    }
  }
  if (first)
    first = clearEmptySpans(first);
  if (last && last != first)
    last = clearEmptySpans(last);
  let newMarkers = [first];
  if (!sameLine) {
    let gap = change.text.length - 2, gapMarkers;
    if (gap > 0 && first) {
      for (let i = 0; i < first.length; ++i)
        if (first[i].to == null)
          (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i].marker, null, null));
    }
    for (let i = 0; i < gap; ++i)
      newMarkers.push(gapMarkers);
    newMarkers.push(last);
  }
  return newMarkers;
}
function clearEmptySpans(spans) {
  for (let i = 0; i < spans.length; ++i) {
    let span = spans[i];
    if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)
      spans.splice(i--, 1);
  }
  if (!spans.length)
    return null;
  return spans;
}
function removeReadOnlyRanges(doc, from, to) {
  let markers = null;
  doc.iter(from.line, to.line + 1, (line) => {
    if (line.markedSpans)
      for (let i = 0; i < line.markedSpans.length; ++i) {
        let mark = line.markedSpans[i].marker;
        if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))
          (markers || (markers = [])).push(mark);
      }
  });
  if (!markers)
    return null;
  let parts = [{from, to}];
  for (let i = 0; i < markers.length; ++i) {
    let mk = markers[i], m = mk.find(0);
    for (let j = 0; j < parts.length; ++j) {
      let p = parts[j];
      if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0)
        continue;
      let newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to);
      if (dfrom < 0 || !mk.inclusiveLeft && !dfrom)
        newParts.push({from: p.from, to: m.from});
      if (dto > 0 || !mk.inclusiveRight && !dto)
        newParts.push({from: m.to, to: p.to});
      parts.splice.apply(parts, newParts);
      j += newParts.length - 3;
    }
  }
  return parts;
}
function detachMarkedSpans(line) {
  let spans = line.markedSpans;
  if (!spans)
    return;
  for (let i = 0; i < spans.length; ++i)
    spans[i].marker.detachLine(line);
  line.markedSpans = null;
}
function attachMarkedSpans(line, spans) {
  if (!spans)
    return;
  for (let i = 0; i < spans.length; ++i)
    spans[i].marker.attachLine(line);
  line.markedSpans = spans;
}
function extraLeft(marker) {
  return marker.inclusiveLeft ? -1 : 0;
}
function extraRight(marker) {
  return marker.inclusiveRight ? 1 : 0;
}
function compareCollapsedMarkers(a, b) {
  let lenDiff = a.lines.length - b.lines.length;
  if (lenDiff != 0)
    return lenDiff;
  let aPos = a.find(), bPos = b.find();
  let fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b);
  if (fromCmp)
    return -fromCmp;
  let toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b);
  if (toCmp)
    return toCmp;
  return b.id - a.id;
}
function collapsedSpanAtSide(line, start) {
  let sps = sawCollapsedSpans && line.markedSpans, found;
  if (sps)
    for (let sp, i = 0; i < sps.length; ++i) {
      sp = sps[i];
      if (sp.marker.collapsed && (start ? sp.from : sp.to) == null && (!found || compareCollapsedMarkers(found, sp.marker) < 0))
        found = sp.marker;
    }
  return found;
}
function collapsedSpanAtStart(line) {
  return collapsedSpanAtSide(line, true);
}
function collapsedSpanAtEnd(line) {
  return collapsedSpanAtSide(line, false);
}
function collapsedSpanAround(line, ch) {
  let sps = sawCollapsedSpans && line.markedSpans, found;
  if (sps)
    for (let i = 0; i < sps.length; ++i) {
      let sp = sps[i];
      if (sp.marker.collapsed && (sp.from == null || sp.from < ch) && (sp.to == null || sp.to > ch) && (!found || compareCollapsedMarkers(found, sp.marker) < 0))
        found = sp.marker;
    }
  return found;
}
function conflictingCollapsedRange(doc, lineNo2, from, to, marker) {
  let line = getLine(doc, lineNo2);
  let sps = sawCollapsedSpans && line.markedSpans;
  if (sps)
    for (let i = 0; i < sps.length; ++i) {
      let sp = sps[i];
      if (!sp.marker.collapsed)
        continue;
      let found = sp.marker.find(0);
      let fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker);
      let toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker);
      if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0)
        continue;
      if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) || fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0))
        return true;
    }
}
function visualLine(line) {
  let merged;
  while (merged = collapsedSpanAtStart(line))
    line = merged.find(-1, true).line;
  return line;
}
function visualLineEnd(line) {
  let merged;
  while (merged = collapsedSpanAtEnd(line))
    line = merged.find(1, true).line;
  return line;
}
function visualLineContinued(line) {
  let merged, lines;
  while (merged = collapsedSpanAtEnd(line)) {
    line = merged.find(1, true).line;
    (lines || (lines = [])).push(line);
  }
  return lines;
}
function visualLineNo(doc, lineN) {
  let line = getLine(doc, lineN), vis = visualLine(line);
  if (line == vis)
    return lineN;
  return lineNo(vis);
}
function visualLineEndNo(doc, lineN) {
  if (lineN > doc.lastLine())
    return lineN;
  let line = getLine(doc, lineN), merged;
  if (!lineIsHidden(doc, line))
    return lineN;
  while (merged = collapsedSpanAtEnd(line))
    line = merged.find(1, true).line;
  return lineNo(line) + 1;
}
function lineIsHidden(doc, line) {
  let sps = sawCollapsedSpans && line.markedSpans;
  if (sps)
    for (let sp, i = 0; i < sps.length; ++i) {
      sp = sps[i];
      if (!sp.marker.collapsed)
        continue;
      if (sp.from == null)
        return true;
      if (sp.marker.widgetNode)
        continue;
      if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))
        return true;
    }
}
function lineIsHiddenInner(doc, line, span) {
  if (span.to == null) {
    let end = span.marker.find(1, true);
    return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker));
  }
  if (span.marker.inclusiveRight && span.to == line.text.length)
    return true;
  for (let sp, i = 0; i < line.markedSpans.length; ++i) {
    sp = line.markedSpans[i];
    if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to && (sp.to == null || sp.to != span.from) && (sp.marker.inclusiveLeft || span.marker.inclusiveRight) && lineIsHiddenInner(doc, line, sp))
      return true;
  }
}
function heightAtLine(lineObj) {
  lineObj = visualLine(lineObj);
  let h = 0, chunk = lineObj.parent;
  for (let i = 0; i < chunk.lines.length; ++i) {
    let line = chunk.lines[i];
    if (line == lineObj)
      break;
    else
      h += line.height;
  }
  for (let p = chunk.parent; p; chunk = p, p = chunk.parent) {
    for (let i = 0; i < p.children.length; ++i) {
      let cur = p.children[i];
      if (cur == chunk)
        break;
      else
        h += cur.height;
    }
  }
  return h;
}
function lineLength(line) {
  if (line.height == 0)
    return 0;
  let len = line.text.length, merged, cur = line;
  while (merged = collapsedSpanAtStart(cur)) {
    let found = merged.find(0, true);
    cur = found.from.line;
    len += found.from.ch - found.to.ch;
  }
  cur = line;
  while (merged = collapsedSpanAtEnd(cur)) {
    let found = merged.find(0, true);
    len -= cur.text.length - found.from.ch;
    cur = found.to.line;
    len += cur.text.length - found.to.ch;
  }
  return len;
}
function findMaxLine(cm) {
  let d = cm.display, doc = cm.doc;
  d.maxLine = getLine(doc, doc.first);
  d.maxLineLength = lineLength(d.maxLine);
  d.maxLineChanged = true;
  doc.iter((line) => {
    let len = lineLength(line);
    if (len > d.maxLineLength) {
      d.maxLineLength = len;
      d.maxLine = line;
    }
  });
}

// node_modules/codemirror/src/line/line_data.js
var Line = class {
  constructor(text, markedSpans, estimateHeight2) {
    this.text = text;
    attachMarkedSpans(this, markedSpans);
    this.height = estimateHeight2 ? estimateHeight2(this) : 1;
  }
  lineNo() {
    return lineNo(this);
  }
};
eventMixin(Line);
function updateLine(line, text, markedSpans, estimateHeight2) {
  line.text = text;
  if (line.stateAfter)
    line.stateAfter = null;
  if (line.styles)
    line.styles = null;
  if (line.order != null)
    line.order = null;
  detachMarkedSpans(line);
  attachMarkedSpans(line, markedSpans);
  let estHeight = estimateHeight2 ? estimateHeight2(line) : 1;
  if (estHeight != line.height)
    updateLineHeight(line, estHeight);
}
function cleanUpLine(line) {
  line.parent = null;
  detachMarkedSpans(line);
}
var styleToClassCache = {};
var styleToClassCacheWithMode = {};
function interpretTokenStyle(style, options) {
  if (!style || /^\s*$/.test(style))
    return null;
  let cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache;
  return cache[style] || (cache[style] = style.replace(/\S+/g, "cm-$&"));
}
function buildLineContent(cm, lineView) {
  let content = eltP("span", null, null, webkit ? "padding-right: .1px" : null);
  let builder = {
    pre: eltP("pre", [content], "CodeMirror-line"),
    content,
    col: 0,
    pos: 0,
    cm,
    trailingSpace: false,
    splitSpaces: cm.getOption("lineWrapping")
  };
  lineView.measure = {};
  for (let i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {
    let line = i ? lineView.rest[i - 1] : lineView.line, order;
    builder.pos = 0;
    builder.addToken = buildToken;
    if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction)))
      builder.addToken = buildTokenBadBidi(builder.addToken, order);
    builder.map = [];
    let allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line);
    insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate));
    if (line.styleClasses) {
      if (line.styleClasses.bgClass)
        builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || "");
      if (line.styleClasses.textClass)
        builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || "");
    }
    if (builder.map.length == 0)
      builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure)));
    if (i == 0) {
      lineView.measure.map = builder.map;
      lineView.measure.cache = {};
    } else {
      ;
      (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map);
      (lineView.measure.caches || (lineView.measure.caches = [])).push({});
    }
  }
  if (webkit) {
    let last = builder.content.lastChild;
    if (/\bcm-tab\b/.test(last.className) || last.querySelector && last.querySelector(".cm-tab"))
      builder.content.className = "cm-tab-wrap-hack";
  }
  signal(cm, "renderLine", cm, lineView.line, builder.pre);
  if (builder.pre.className)
    builder.textClass = joinClasses(builder.pre.className, builder.textClass || "");
  return builder;
}
function defaultSpecialCharPlaceholder(ch) {
  let token = elt("span", "\u2022", "cm-invalidchar");
  token.title = "\\u" + ch.charCodeAt(0).toString(16);
  token.setAttribute("aria-label", token.title);
  return token;
}
function buildToken(builder, text, style, startStyle, endStyle, css, attributes) {
  if (!text)
    return;
  let displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text;
  let special = builder.cm.state.specialChars, mustWrap = false;
  let content;
  if (!special.test(text)) {
    builder.col += text.length;
    content = document.createTextNode(displayText);
    builder.map.push(builder.pos, builder.pos + text.length, content);
    if (ie && ie_version < 9)
      mustWrap = true;
    builder.pos += text.length;
  } else {
    content = document.createDocumentFragment();
    let pos = 0;
    while (true) {
      special.lastIndex = pos;
      let m = special.exec(text);
      let skipped = m ? m.index - pos : text.length - pos;
      if (skipped) {
        let txt2 = document.createTextNode(displayText.slice(pos, pos + skipped));
        if (ie && ie_version < 9)
          content.appendChild(elt("span", [txt2]));
        else
          content.appendChild(txt2);
        builder.map.push(builder.pos, builder.pos + skipped, txt2);
        builder.col += skipped;
        builder.pos += skipped;
      }
      if (!m)
        break;
      pos += skipped + 1;
      let txt;
      if (m[0] == "	") {
        let tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;
        txt = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"));
        txt.setAttribute("role", "presentation");
        txt.setAttribute("cm-text", "	");
        builder.col += tabWidth;
      } else if (m[0] == "\r" || m[0] == "\n") {
        txt = content.appendChild(elt("span", m[0] == "\r" ? "\u240D" : "\u2424", "cm-invalidchar"));
        txt.setAttribute("cm-text", m[0]);
        builder.col += 1;
      } else {
        txt = builder.cm.options.specialCharPlaceholder(m[0]);
        txt.setAttribute("cm-text", m[0]);
        if (ie && ie_version < 9)
          content.appendChild(elt("span", [txt]));
        else
          content.appendChild(txt);
        builder.col += 1;
      }
      builder.map.push(builder.pos, builder.pos + 1, txt);
      builder.pos++;
    }
  }
  builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32;
  if (style || startStyle || endStyle || mustWrap || css || attributes) {
    let fullStyle = style || "";
    if (startStyle)
      fullStyle += startStyle;
    if (endStyle)
      fullStyle += endStyle;
    let token = elt("span", [content], fullStyle, css);
    if (attributes) {
      for (let attr in attributes)
        if (attributes.hasOwnProperty(attr) && attr != "style" && attr != "class")
          token.setAttribute(attr, attributes[attr]);
    }
    return builder.content.appendChild(token);
  }
  builder.content.appendChild(content);
}
function splitSpaces(text, trailingBefore) {
  if (text.length > 1 && !/  /.test(text))
    return text;
  let spaceBefore = trailingBefore, result = "";
  for (let i = 0; i < text.length; i++) {
    let ch = text.charAt(i);
    if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32))
      ch = "\xA0";
    result += ch;
    spaceBefore = ch == " ";
  }
  return result;
}
function buildTokenBadBidi(inner, order) {
  return (builder, text, style, startStyle, endStyle, css, attributes) => {
    style = style ? style + " cm-force-border" : "cm-force-border";
    let start = builder.pos, end = start + text.length;
    for (; ; ) {
      let part;
      for (let i = 0; i < order.length; i++) {
        part = order[i];
        if (part.to > start && part.from <= start)
          break;
      }
      if (part.to >= end)
        return inner(builder, text, style, startStyle, endStyle, css, attributes);
      inner(builder, text.slice(0, part.to - start), style, startStyle, null, css, attributes);
      startStyle = null;
      text = text.slice(part.to - start);
      start = part.to;
    }
  };
}
function buildCollapsedSpan(builder, size, marker, ignoreWidget) {
  let widget = !ignoreWidget && marker.widgetNode;
  if (widget)
    builder.map.push(builder.pos, builder.pos + size, widget);
  if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) {
    if (!widget)
      widget = builder.content.appendChild(document.createElement("span"));
    widget.setAttribute("cm-marker", marker.id);
  }
  if (widget) {
    builder.cm.display.input.setUneditable(widget);
    builder.content.appendChild(widget);
  }
  builder.pos += size;
  builder.trailingSpace = false;
}
function insertLineContent(line, builder, styles) {
  let spans = line.markedSpans, allText = line.text, at = 0;
  if (!spans) {
    for (let i2 = 1; i2 < styles.length; i2 += 2)
      builder.addToken(builder, allText.slice(at, at = styles[i2]), interpretTokenStyle(styles[i2 + 1], builder.cm.options));
    return;
  }
  let len = allText.length, pos = 0, i = 1, text = "", style, css;
  let nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, collapsed, attributes;
  for (; ; ) {
    if (nextChange == pos) {
      spanStyle = spanEndStyle = spanStartStyle = css = "";
      attributes = null;
      collapsed = null;
      nextChange = Infinity;
      let foundBookmarks = [], endStyles;
      for (let j = 0; j < spans.length; ++j) {
        let sp = spans[j], m = sp.marker;
        if (m.type == "bookmark" && sp.from == pos && m.widgetNode) {
          foundBookmarks.push(m);
        } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) {
          if (sp.to != null && sp.to != pos && nextChange > sp.to) {
            nextChange = sp.to;
            spanEndStyle = "";
          }
          if (m.className)
            spanStyle += " " + m.className;
          if (m.css)
            css = (css ? css + ";" : "") + m.css;
          if (m.startStyle && sp.from == pos)
            spanStartStyle += " " + m.startStyle;
          if (m.endStyle && sp.to == nextChange)
            (endStyles || (endStyles = [])).push(m.endStyle, sp.to);
          if (m.title)
            (attributes || (attributes = {})).title = m.title;
          if (m.attributes) {
            for (let attr in m.attributes)
              (attributes || (attributes = {}))[attr] = m.attributes[attr];
          }
          if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0))
            collapsed = sp;
        } else if (sp.from > pos && nextChange > sp.from) {
          nextChange = sp.from;
        }
      }
      if (endStyles) {
        for (let j = 0; j < endStyles.length; j += 2)
          if (endStyles[j + 1] == nextChange)
            spanEndStyle += " " + endStyles[j];
      }
      if (!collapsed || collapsed.from == pos)
        for (let j = 0; j < foundBookmarks.length; ++j)
          buildCollapsedSpan(builder, 0, foundBookmarks[j]);
      if (collapsed && (collapsed.from || 0) == pos) {
        buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos, collapsed.marker, collapsed.from == null);
        if (collapsed.to == null)
          return;
        if (collapsed.to == pos)
          collapsed = false;
      }
    }
    if (pos >= len)
      break;
    let upto = Math.min(len, nextChange);
    while (true) {
      if (text) {
        let end = pos + text.length;
        if (!collapsed) {
          let tokenText = end > upto ? text.slice(0, upto - pos) : text;
          builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle, spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", css, attributes);
        }
        if (end >= upto) {
          text = text.slice(upto - pos);
          pos = upto;
          break;
        }
        pos = end;
        spanStartStyle = "";
      }
      text = allText.slice(at, at = styles[i++]);
      style = interpretTokenStyle(styles[i++], builder.cm.options);
    }
  }
}
function LineView(doc, line, lineN) {
  this.line = line;
  this.rest = visualLineContinued(line);
  this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1;
  this.node = this.text = null;
  this.hidden = lineIsHidden(doc, line);
}
function buildViewArray(cm, from, to) {
  let array = [], nextPos;
  for (let pos = from; pos < to; pos = nextPos) {
    let view = new LineView(cm.doc, getLine(cm.doc, pos), pos);
    nextPos = pos + view.size;
    array.push(view);
  }
  return array;
}

// node_modules/codemirror/src/util/operation_group.js
var operationGroup = null;
function pushOperation(op) {
  if (operationGroup) {
    operationGroup.ops.push(op);
  } else {
    op.ownsGroup = operationGroup = {
      ops: [op],
      delayedCallbacks: []
    };
  }
}
function fireCallbacksForOps(group) {
  let callbacks = group.delayedCallbacks, i = 0;
  do {
    for (; i < callbacks.length; i++)
      callbacks[i].call(null);
    for (let j = 0; j < group.ops.length; j++) {
      let op = group.ops[j];
      if (op.cursorActivityHandlers)
        while (op.cursorActivityCalled < op.cursorActivityHandlers.length)
          op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm);
    }
  } while (i < callbacks.length);
}
function finishOperation(op, endCb) {
  let group = op.ownsGroup;
  if (!group)
    return;
  try {
    fireCallbacksForOps(group);
  } finally {
    operationGroup = null;
    endCb(group);
  }
}
var orphanDelayedCallbacks = null;
function signalLater(emitter, type) {
  let arr = getHandlers(emitter, type);
  if (!arr.length)
    return;
  let args = Array.prototype.slice.call(arguments, 2), list;
  if (operationGroup) {
    list = operationGroup.delayedCallbacks;
  } else if (orphanDelayedCallbacks) {
    list = orphanDelayedCallbacks;
  } else {
    list = orphanDelayedCallbacks = [];
    setTimeout(fireOrphanDelayed, 0);
  }
  for (let i = 0; i < arr.length; ++i)
    list.push(() => arr[i].apply(null, args));
}
function fireOrphanDelayed() {
  let delayed = orphanDelayedCallbacks;
  orphanDelayedCallbacks = null;
  for (let i = 0; i < delayed.length; ++i)
    delayed[i]();
}

// node_modules/codemirror/src/display/update_line.js
function updateLineForChanges(cm, lineView, lineN, dims) {
  for (let j = 0; j < lineView.changes.length; j++) {
    let type = lineView.changes[j];
    if (type == "text")
      updateLineText(cm, lineView);
    else if (type == "gutter")
      updateLineGutter(cm, lineView, lineN, dims);
    else if (type == "class")
      updateLineClasses(cm, lineView);
    else if (type == "widget")
      updateLineWidgets(cm, lineView, dims);
  }
  lineView.changes = null;
}
function ensureLineWrapped(lineView) {
  if (lineView.node == lineView.text) {
    lineView.node = elt("div", null, null, "position: relative");
    if (lineView.text.parentNode)
      lineView.text.parentNode.replaceChild(lineView.node, lineView.text);
    lineView.node.appendChild(lineView.text);
    if (ie && ie_version < 8)
      lineView.node.style.zIndex = 2;
  }
  return lineView.node;
}
function updateLineBackground(cm, lineView) {
  let cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass;
  if (cls)
    cls += " CodeMirror-linebackground";
  if (lineView.background) {
    if (cls)
      lineView.background.className = cls;
    else {
      lineView.background.parentNode.removeChild(lineView.background);
      lineView.background = null;
    }
  } else if (cls) {
    let wrap = ensureLineWrapped(lineView);
    lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild);
    cm.display.input.setUneditable(lineView.background);
  }
}
function getLineContent(cm, lineView) {
  let ext = cm.display.externalMeasured;
  if (ext && ext.line == lineView.line) {
    cm.display.externalMeasured = null;
    lineView.measure = ext.measure;
    return ext.built;
  }
  return buildLineContent(cm, lineView);
}
function updateLineText(cm, lineView) {
  let cls = lineView.text.className;
  let built = getLineContent(cm, lineView);
  if (lineView.text == lineView.node)
    lineView.node = built.pre;
  lineView.text.parentNode.replaceChild(built.pre, lineView.text);
  lineView.text = built.pre;
  if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) {
    lineView.bgClass = built.bgClass;
    lineView.textClass = built.textClass;
    updateLineClasses(cm, lineView);
  } else if (cls) {
    lineView.text.className = cls;
  }
}
function updateLineClasses(cm, lineView) {
  updateLineBackground(cm, lineView);
  if (lineView.line.wrapClass)
    ensureLineWrapped(lineView).className = lineView.line.wrapClass;
  else if (lineView.node != lineView.text)
    lineView.node.className = "";
  let textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass;
  lineView.text.className = textClass || "";
}
function updateLineGutter(cm, lineView, lineN, dims) {
  if (lineView.gutter) {
    lineView.node.removeChild(lineView.gutter);
    lineView.gutter = null;
  }
  if (lineView.gutterBackground) {
    lineView.node.removeChild(lineView.gutterBackground);
    lineView.gutterBackground = null;
  }
  if (lineView.line.gutterClass) {
    let wrap = ensureLineWrapped(lineView);
    lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass, `left: ${cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth}px; width: ${dims.gutterTotalWidth}px`);
    cm.display.input.setUneditable(lineView.gutterBackground);
    wrap.insertBefore(lineView.gutterBackground, lineView.text);
  }
  let markers = lineView.line.gutterMarkers;
  if (cm.options.lineNumbers || markers) {
    let wrap = ensureLineWrapped(lineView);
    let gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", `left: ${cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth}px`);
    gutterWrap.setAttribute("aria-hidden", "true");
    cm.display.input.setUneditable(gutterWrap);
    wrap.insertBefore(gutterWrap, lineView.text);
    if (lineView.line.gutterClass)
      gutterWrap.className += " " + lineView.line.gutterClass;
    if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))
      lineView.lineNumber = gutterWrap.appendChild(elt("div", lineNumberFor(cm.options, lineN), "CodeMirror-linenumber CodeMirror-gutter-elt", `left: ${dims.gutterLeft["CodeMirror-linenumbers"]}px; width: ${cm.display.lineNumInnerWidth}px`));
    if (markers)
      for (let k = 0; k < cm.display.gutterSpecs.length; ++k) {
        let id = cm.display.gutterSpecs[k].className, found = markers.hasOwnProperty(id) && markers[id];
        if (found)
          gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", `left: ${dims.gutterLeft[id]}px; width: ${dims.gutterWidth[id]}px`));
      }
  }
}
function updateLineWidgets(cm, lineView, dims) {
  if (lineView.alignable)
    lineView.alignable = null;
  let isWidget = classTest("CodeMirror-linewidget");
  for (let node = lineView.node.firstChild, next; node; node = next) {
    next = node.nextSibling;
    if (isWidget.test(node.className))
      lineView.node.removeChild(node);
  }
  insertLineWidgets(cm, lineView, dims);
}
function buildLineElement(cm, lineView, lineN, dims) {
  let built = getLineContent(cm, lineView);
  lineView.text = lineView.node = built.pre;
  if (built.bgClass)
    lineView.bgClass = built.bgClass;
  if (built.textClass)
    lineView.textClass = built.textClass;
  updateLineClasses(cm, lineView);
  updateLineGutter(cm, lineView, lineN, dims);
  insertLineWidgets(cm, lineView, dims);
  return lineView.node;
}
function insertLineWidgets(cm, lineView, dims) {
  insertLineWidgetsFor(cm, lineView.line, lineView, dims, true);
  if (lineView.rest)
    for (let i = 0; i < lineView.rest.length; i++)
      insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false);
}
function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) {
  if (!line.widgets)
    return;
  let wrap = ensureLineWrapped(lineView);
  for (let i = 0, ws = line.widgets; i < ws.length; ++i) {
    let widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget" + (widget.className ? " " + widget.className : ""));
    if (!widget.handleMouseEvents)
      node.setAttribute("cm-ignore-events", "true");
    positionLineWidget(widget, node, lineView, dims);
    cm.display.input.setUneditable(node);
    if (allowAbove && widget.above)
      wrap.insertBefore(node, lineView.gutter || lineView.text);
    else
      wrap.appendChild(node);
    signalLater(widget, "redraw");
  }
}
function positionLineWidget(widget, node, lineView, dims) {
  if (widget.noHScroll) {
    ;
    (lineView.alignable || (lineView.alignable = [])).push(node);
    let width = dims.wrapperWidth;
    node.style.left = dims.fixedPos + "px";
    if (!widget.coverGutter) {
      width -= dims.gutterTotalWidth;
      node.style.paddingLeft = dims.gutterTotalWidth + "px";
    }
    node.style.width = width + "px";
  }
  if (widget.coverGutter) {
    node.style.zIndex = 5;
    node.style.position = "relative";
    if (!widget.noHScroll)
      node.style.marginLeft = -dims.gutterTotalWidth + "px";
  }
}

// node_modules/codemirror/src/measurement/widgets.js
function widgetHeight(widget) {
  if (widget.height != null)
    return widget.height;
  let cm = widget.doc.cm;
  if (!cm)
    return 0;
  if (!contains(document.body, widget.node)) {
    let parentStyle = "position: relative;";
    if (widget.coverGutter)
      parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;";
    if (widget.noHScroll)
      parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;";
    removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle));
  }
  return widget.height = widget.node.parentNode.offsetHeight;
}
function eventInWidget(display, e) {
  for (let n = e_target(e); n != display.wrapper; n = n.parentNode) {
    if (!n || n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true" || n.parentNode == display.sizer && n != display.mover)
      return true;
  }
}

// node_modules/codemirror/src/measurement/position_measurement.js
function paddingTop(display) {
  return display.lineSpace.offsetTop;
}
function paddingVert(display) {
  return display.mover.offsetHeight - display.lineSpace.offsetHeight;
}
function paddingH(display) {
  if (display.cachedPaddingH)
    return display.cachedPaddingH;
  let e = removeChildrenAndAdd(display.measure, elt("pre", "x", "CodeMirror-line-like"));
  let style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle;
  let data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)};
  if (!isNaN(data.left) && !isNaN(data.right))
    display.cachedPaddingH = data;
  return data;
}
function scrollGap(cm) {
  return scrollerGap - cm.display.nativeBarWidth;
}
function displayWidth(cm) {
  return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth;
}
function displayHeight(cm) {
  return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight;
}
function ensureLineHeights(cm, lineView, rect) {
  let wrapping = cm.options.lineWrapping;
  let curWidth = wrapping && displayWidth(cm);
  if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) {
    let heights = lineView.measure.heights = [];
    if (wrapping) {
      lineView.measure.width = curWidth;
      let rects = lineView.text.firstChild.getClientRects();
      for (let i = 0; i < rects.length - 1; i++) {
        let cur = rects[i], next = rects[i + 1];
        if (Math.abs(cur.bottom - next.bottom) > 2)
          heights.push((cur.bottom + next.top) / 2 - rect.top);
      }
    }
    heights.push(rect.bottom - rect.top);
  }
}
function mapFromLineView(lineView, line, lineN) {
  if (lineView.line == line)
    return {map: lineView.measure.map, cache: lineView.measure.cache};
  for (let i = 0; i < lineView.rest.length; i++)
    if (lineView.rest[i] == line)
      return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]};
  for (let i = 0; i < lineView.rest.length; i++)
    if (lineNo(lineView.rest[i]) > lineN)
      return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i], before: true};
}
function updateExternalMeasurement(cm, line) {
  line = visualLine(line);
  let lineN = lineNo(line);
  let view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN);
  view.lineN = lineN;
  let built = view.built = buildLineContent(cm, view);
  view.text = built.pre;
  removeChildrenAndAdd(cm.display.lineMeasure, built.pre);
  return view;
}
function measureChar(cm, line, ch, bias) {
  return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias);
}
function findViewForLine(cm, lineN) {
  if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo)
    return cm.display.view[findViewIndex(cm, lineN)];
  let ext = cm.display.externalMeasured;
  if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size)
    return ext;
}
function prepareMeasureForLine(cm, line) {
  let lineN = lineNo(line);
  let view = findViewForLine(cm, lineN);
  if (view && !view.text) {
    view = null;
  } else if (view && view.changes) {
    updateLineForChanges(cm, view, lineN, getDimensions(cm));
    cm.curOp.forceUpdate = true;
  }
  if (!view)
    view = updateExternalMeasurement(cm, line);
  let info = mapFromLineView(view, line, lineN);
  return {
    line,
    view,
    rect: null,
    map: info.map,
    cache: info.cache,
    before: info.before,
    hasHeights: false
  };
}
function measureCharPrepared(cm, prepared, ch, bias, varHeight) {
  if (prepared.before)
    ch = -1;
  let key = ch + (bias || ""), found;
  if (prepared.cache.hasOwnProperty(key)) {
    found = prepared.cache[key];
  } else {
    if (!prepared.rect)
      prepared.rect = prepared.view.text.getBoundingClientRect();
    if (!prepared.hasHeights) {
      ensureLineHeights(cm, prepared.view, prepared.rect);
      prepared.hasHeights = true;
    }
    found = measureCharInner(cm, prepared, ch, bias);
    if (!found.bogus)
      prepared.cache[key] = found;
  }
  return {
    left: found.left,
    right: found.right,
    top: varHeight ? found.rtop : found.top,
    bottom: varHeight ? found.rbottom : found.bottom
  };
}
var nullRect = {left: 0, right: 0, top: 0, bottom: 0};
function nodeAndOffsetInLineMap(map2, ch, bias) {
  let node, start, end, collapse, mStart, mEnd;
  for (let i = 0; i < map2.length; i += 3) {
    mStart = map2[i];
    mEnd = map2[i + 1];
    if (ch < mStart) {
      start = 0;
      end = 1;
      collapse = "left";
    } else if (ch < mEnd) {
      start = ch - mStart;
      end = start + 1;
    } else if (i == map2.length - 3 || ch == mEnd && map2[i + 3] > ch) {
      end = mEnd - mStart;
      start = end - 1;
      if (ch >= mEnd)
        collapse = "right";
    }
    if (start != null) {
      node = map2[i + 2];
      if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right"))
        collapse = bias;
      if (bias == "left" && start == 0)
        while (i && map2[i - 2] == map2[i - 3] && map2[i - 1].insertLeft) {
          node = map2[(i -= 3) + 2];
          collapse = "left";
        }
      if (bias == "right" && start == mEnd - mStart)
        while (i < map2.length - 3 && map2[i + 3] == map2[i + 4] && !map2[i + 5].insertLeft) {
          node = map2[(i += 3) + 2];
          collapse = "right";
        }
      break;
    }
  }
  return {node, start, end, collapse, coverStart: mStart, coverEnd: mEnd};
}
function getUsefulRect(rects, bias) {
  let rect = nullRect;
  if (bias == "left")
    for (let i = 0; i < rects.length; i++) {
      if ((rect = rects[i]).left != rect.right)
        break;
    }
  else
    for (let i = rects.length - 1; i >= 0; i--) {
      if ((rect = rects[i]).left != rect.right)
        break;
    }
  return rect;
}
function measureCharInner(cm, prepared, ch, bias) {
  let place = nodeAndOffsetInLineMap(prepared.map, ch, bias);
  let node = place.node, start = place.start, end = place.end, collapse = place.collapse;
  let rect;
  if (node.nodeType == 3) {
    for (let i2 = 0; i2 < 4; i2++) {
      while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start)))
        --start;
      while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end)))
        ++end;
      if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart)
        rect = node.parentNode.getBoundingClientRect();
      else
        rect = getUsefulRect(range(node, start, end).getClientRects(), bias);
      if (rect.left || rect.right || start == 0)
        break;
      end = start;
      start = start - 1;
      collapse = "right";
    }
    if (ie && ie_version < 11)
      rect = maybeUpdateRectForZooming(cm.display.measure, rect);
  } else {
    if (start > 0)
      collapse = bias = "right";
    let rects;
    if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1)
      rect = rects[bias == "right" ? rects.length - 1 : 0];
    else
      rect = node.getBoundingClientRect();
  }
  if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) {
    let rSpan = node.parentNode.getClientRects()[0];
    if (rSpan)
      rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom};
    else
      rect = nullRect;
  }
  let rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top;
  let mid = (rtop + rbot) / 2;
  let heights = prepared.view.measure.heights;
  let i = 0;
  for (; i < heights.length - 1; i++)
    if (mid < heights[i])
      break;
  let top = i ? heights[i - 1] : 0, bot = heights[i];
  let result = {
    left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left,
    right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left,
    top,
    bottom: bot
  };
  if (!rect.left && !rect.right)
    result.bogus = true;
  if (!cm.options.singleCursorHeightPerLine) {
    result.rtop = rtop;
    result.rbottom = rbot;
  }
  return result;
}
function maybeUpdateRectForZooming(measure, rect) {
  if (!window.screen || screen.logicalXDPI == null || screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure))
    return rect;
  let scaleX = screen.logicalXDPI / screen.deviceXDPI;
  let scaleY = screen.logicalYDPI / screen.deviceYDPI;
  return {
    left: rect.left * scaleX,
    right: rect.right * scaleX,
    top: rect.top * scaleY,
    bottom: rect.bottom * scaleY
  };
}
function clearLineMeasurementCacheFor(lineView) {
  if (lineView.measure) {
    lineView.measure.cache = {};
    lineView.measure.heights = null;
    if (lineView.rest)
      for (let i = 0; i < lineView.rest.length; i++)
        lineView.measure.caches[i] = {};
  }
}
function clearLineMeasurementCache(cm) {
  cm.display.externalMeasure = null;
  removeChildren(cm.display.lineMeasure);
  for (let i = 0; i < cm.display.view.length; i++)
    clearLineMeasurementCacheFor(cm.display.view[i]);
}
function clearCaches(cm) {
  clearLineMeasurementCache(cm);
  cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null;
  if (!cm.options.lineWrapping)
    cm.display.maxLineChanged = true;
  cm.display.lineNumChars = null;
}
function pageScrollX() {
  if (chrome && android)
    return -(document.body.getBoundingClientRect().left - parseInt(getComputedStyle(document.body).marginLeft));
  return window.pageXOffset || (document.documentElement || document.body).scrollLeft;
}
function pageScrollY() {
  if (chrome && android)
    return -(document.body.getBoundingClientRect().top - parseInt(getComputedStyle(document.body).marginTop));
  return window.pageYOffset || (document.documentElement || document.body).scrollTop;
}
function widgetTopHeight(lineObj) {
  let height = 0;
  if (lineObj.widgets) {
    for (let i = 0; i < lineObj.widgets.length; ++i)
      if (lineObj.widgets[i].above)
        height += widgetHeight(lineObj.widgets[i]);
  }
  return height;
}
function intoCoordSystem(cm, lineObj, rect, context, includeWidgets) {
  if (!includeWidgets) {
    let height = widgetTopHeight(lineObj);
    rect.top += height;
    rect.bottom += height;
  }
  if (context == "line")
    return rect;
  if (!context)
    context = "local";
  let yOff = heightAtLine(lineObj);
  if (context == "local")
    yOff += paddingTop(cm.display);
  else
    yOff -= cm.display.viewOffset;
  if (context == "page" || context == "window") {
    let lOff = cm.display.lineSpace.getBoundingClientRect();
    yOff += lOff.top + (context == "window" ? 0 : pageScrollY());
    let xOff = lOff.left + (context == "window" ? 0 : pageScrollX());
    rect.left += xOff;
    rect.right += xOff;
  }
  rect.top += yOff;
  rect.bottom += yOff;
  return rect;
}
function fromCoordSystem(cm, coords, context) {
  if (context == "div")
    return coords;
  let left = coords.left, top = coords.top;
  if (context == "page") {
    left -= pageScrollX();
    top -= pageScrollY();
  } else if (context == "local" || !context) {
    let localBox = cm.display.sizer.getBoundingClientRect();
    left += localBox.left;
    top += localBox.top;
  }
  let lineSpaceBox = cm.display.lineSpace.getBoundingClientRect();
  return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top};
}
function charCoords(cm, pos, context, lineObj, bias) {
  if (!lineObj)
    lineObj = getLine(cm.doc, pos.line);
  return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context);
}
function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) {
  lineObj = lineObj || getLine(cm.doc, pos.line);
  if (!preparedMeasure)
    preparedMeasure = prepareMeasureForLine(cm, lineObj);
  function get(ch2, right) {
    let m = measureCharPrepared(cm, preparedMeasure, ch2, right ? "right" : "left", varHeight);
    if (right)
      m.left = m.right;
    else
      m.right = m.left;
    return intoCoordSystem(cm, lineObj, m, context);
  }
  let order = getOrder(lineObj, cm.doc.direction), ch = pos.ch, sticky = pos.sticky;
  if (ch >= lineObj.text.length) {
    ch = lineObj.text.length;
    sticky = "before";
  } else if (ch <= 0) {
    ch = 0;
    sticky = "after";
  }
  if (!order)
    return get(sticky == "before" ? ch - 1 : ch, sticky == "before");
  function getBidi(ch2, partPos2, invert) {
    let part = order[partPos2], right = part.level == 1;
    return get(invert ? ch2 - 1 : ch2, right != invert);
  }
  let partPos = getBidiPartAt(order, ch, sticky);
  let other = bidiOther;
  let val = getBidi(ch, partPos, sticky == "before");
  if (other != null)
    val.other = getBidi(ch, other, sticky != "before");
  return val;
}
function estimateCoords(cm, pos) {
  let left = 0;
  pos = clipPos(cm.doc, pos);
  if (!cm.options.lineWrapping)
    left = charWidth(cm.display) * pos.ch;
  let lineObj = getLine(cm.doc, pos.line);
  let top = heightAtLine(lineObj) + paddingTop(cm.display);
  return {left, right: left, top, bottom: top + lineObj.height};
}
function PosWithInfo(line, ch, sticky, outside, xRel) {
  let pos = Pos(line, ch, sticky);
  pos.xRel = xRel;
  if (outside)
    pos.outside = outside;
  return pos;
}
function coordsChar(cm, x, y) {
  let doc = cm.doc;
  y += cm.display.viewOffset;
  if (y < 0)
    return PosWithInfo(doc.first, 0, null, -1, -1);
  let lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1;
  if (lineN > last)
    return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, null, 1, 1);
  if (x < 0)
    x = 0;
  let lineObj = getLine(doc, lineN);
  for (; ; ) {
    let found = coordsCharInner(cm, lineObj, lineN, x, y);
    let collapsed = collapsedSpanAround(lineObj, found.ch + (found.xRel > 0 || found.outside > 0 ? 1 : 0));
    if (!collapsed)
      return found;
    let rangeEnd = collapsed.find(1);
    if (rangeEnd.line == lineN)
      return rangeEnd;
    lineObj = getLine(doc, lineN = rangeEnd.line);
  }
}
function wrappedLineExtent(cm, lineObj, preparedMeasure, y) {
  y -= widgetTopHeight(lineObj);
  let end = lineObj.text.length;
  let begin = findFirst((ch) => measureCharPrepared(cm, preparedMeasure, ch - 1).bottom <= y, end, 0);
  end = findFirst((ch) => measureCharPrepared(cm, preparedMeasure, ch).top > y, begin, end);
  return {begin, end};
}
function wrappedLineExtentChar(cm, lineObj, preparedMeasure, target) {
  if (!preparedMeasure)
    preparedMeasure = prepareMeasureForLine(cm, lineObj);
  let targetTop = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, target), "line").top;
  return wrappedLineExtent(cm, lineObj, preparedMeasure, targetTop);
}
function boxIsAfter(box, x, y, left) {
  return box.bottom <= y ? false : box.top > y ? true : (left ? box.left : box.right) > x;
}
function coordsCharInner(cm, lineObj, lineNo2, x, y) {
  y -= heightAtLine(lineObj);
  let preparedMeasure = prepareMeasureForLine(cm, lineObj);
  let widgetHeight2 = widgetTopHeight(lineObj);
  let begin = 0, end = lineObj.text.length, ltr = true;
  let order = getOrder(lineObj, cm.doc.direction);
  if (order) {
    let part = (cm.options.lineWrapping ? coordsBidiPartWrapped : coordsBidiPart)(cm, lineObj, lineNo2, preparedMeasure, order, x, y);
    ltr = part.level != 1;
    begin = ltr ? part.from : part.to - 1;
    end = ltr ? part.to : part.from - 1;
  }
  let chAround = null, boxAround = null;
  let ch = findFirst((ch2) => {
    let box = measureCharPrepared(cm, preparedMeasure, ch2);
    box.top += widgetHeight2;
    box.bottom += widgetHeight2;
    if (!boxIsAfter(box, x, y, false))
      return false;
    if (box.top <= y && box.left <= x) {
      chAround = ch2;
      boxAround = box;
    }
    return true;
  }, begin, end);
  let baseX, sticky, outside = false;
  if (boxAround) {
    let atLeft = x - boxAround.left < boxAround.right - x, atStart = atLeft == ltr;
    ch = chAround + (atStart ? 0 : 1);
    sticky = atStart ? "after" : "before";
    baseX = atLeft ? boxAround.left : boxAround.right;
  } else {
    if (!ltr && (ch == end || ch == begin))
      ch++;
    sticky = ch == 0 ? "after" : ch == lineObj.text.length ? "before" : measureCharPrepared(cm, preparedMeasure, ch - (ltr ? 1 : 0)).bottom + widgetHeight2 <= y == ltr ? "after" : "before";
    let coords = cursorCoords(cm, Pos(lineNo2, ch, sticky), "line", lineObj, preparedMeasure);
    baseX = coords.left;
    outside = y < coords.top ? -1 : y >= coords.bottom ? 1 : 0;
  }
  ch = skipExtendingChars(lineObj.text, ch, 1);
  return PosWithInfo(lineNo2, ch, sticky, outside, x - baseX);
}
function coordsBidiPart(cm, lineObj, lineNo2, preparedMeasure, order, x, y) {
  let index = findFirst((i) => {
    let part2 = order[i], ltr = part2.level != 1;
    return boxIsAfter(cursorCoords(cm, Pos(lineNo2, ltr ? part2.to : part2.from, ltr ? "before" : "after"), "line", lineObj, preparedMeasure), x, y, true);
  }, 0, order.length - 1);
  let part = order[index];
  if (index > 0) {
    let ltr = part.level != 1;
    let start = cursorCoords(cm, Pos(lineNo2, ltr ? part.from : part.to, ltr ? "after" : "before"), "line", lineObj, preparedMeasure);
    if (boxIsAfter(start, x, y, true) && start.top > y)
      part = order[index - 1];
  }
  return part;
}
function coordsBidiPartWrapped(cm, lineObj, _lineNo, preparedMeasure, order, x, y) {
  let {begin, end} = wrappedLineExtent(cm, lineObj, preparedMeasure, y);
  if (/\s/.test(lineObj.text.charAt(end - 1)))
    end--;
  let part = null, closestDist = null;
  for (let i = 0; i < order.length; i++) {
    let p = order[i];
    if (p.from >= end || p.to <= begin)
      continue;
    let ltr = p.level != 1;
    let endX = measureCharPrepared(cm, preparedMeasure, ltr ? Math.min(end, p.to) - 1 : Math.max(begin, p.from)).right;
    let dist = endX < x ? x - endX + 1e9 : endX - x;
    if (!part || closestDist > dist) {
      part = p;
      closestDist = dist;
    }
  }
  if (!part)
    part = order[order.length - 1];
  if (part.from < begin)
    part = {from: begin, to: part.to, level: part.level};
  if (part.to > end)
    part = {from: part.from, to: end, level: part.level};
  return part;
}
var measureText;
function textHeight(display) {
  if (display.cachedTextHeight != null)
    return display.cachedTextHeight;
  if (measureText == null) {
    measureText = elt("pre", null, "CodeMirror-line-like");
    for (let i = 0; i < 49; ++i) {
      measureText.appendChild(document.createTextNode("x"));
      measureText.appendChild(elt("br"));
    }
    measureText.appendChild(document.createTextNode("x"));
  }
  removeChildrenAndAdd(display.measure, measureText);
  let height = measureText.offsetHeight / 50;
  if (height > 3)
    display.cachedTextHeight = height;
  removeChildren(display.measure);
  return height || 1;
}
function charWidth(display) {
  if (display.cachedCharWidth != null)
    return display.cachedCharWidth;
  let anchor = elt("span", "xxxxxxxxxx");
  let pre = elt("pre", [anchor], "CodeMirror-line-like");
  removeChildrenAndAdd(display.measure, pre);
  let rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10;
  if (width > 2)
    display.cachedCharWidth = width;
  return width || 10;
}
function getDimensions(cm) {
  let d = cm.display, left = {}, width = {};
  let gutterLeft = d.gutters.clientLeft;
  for (let n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {
    let id = cm.display.gutterSpecs[i].className;
    left[id] = n.offsetLeft + n.clientLeft + gutterLeft;
    width[id] = n.clientWidth;
  }
  return {
    fixedPos: compensateForHScroll(d),
    gutterTotalWidth: d.gutters.offsetWidth,
    gutterLeft: left,
    gutterWidth: width,
    wrapperWidth: d.wrapper.clientWidth
  };
}
function compensateForHScroll(display) {
  return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left;
}
function estimateHeight(cm) {
  let th = textHeight(cm.display), wrapping = cm.options.lineWrapping;
  let perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3);
  return (line) => {
    if (lineIsHidden(cm.doc, line))
      return 0;
    let widgetsHeight = 0;
    if (line.widgets)
      for (let i = 0; i < line.widgets.length; i++) {
        if (line.widgets[i].height)
          widgetsHeight += line.widgets[i].height;
      }
    if (wrapping)
      return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th;
    else
      return widgetsHeight + th;
  };
}
function estimateLineHeights(cm) {
  let doc = cm.doc, est = estimateHeight(cm);
  doc.iter((line) => {
    let estHeight = est(line);
    if (estHeight != line.height)
      updateLineHeight(line, estHeight);
  });
}
function posFromMouse(cm, e, liberal, forRect) {
  let display = cm.display;
  if (!liberal && e_target(e).getAttribute("cm-not-content") == "true")
    return null;
  let x, y, space = display.lineSpace.getBoundingClientRect();
  try {
    x = e.clientX - space.left;
    y = e.clientY - space.top;
  } catch (e2) {
    return null;
  }
  let coords = coordsChar(cm, x, y), line;
  if (forRect && coords.xRel > 0 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) {
    let colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length;
    coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff));
  }
  return coords;
}
function findViewIndex(cm, n) {
  if (n >= cm.display.viewTo)
    return null;
  n -= cm.display.viewFrom;
  if (n < 0)
    return null;
  let view = cm.display.view;
  for (let i = 0; i < view.length; i++) {
    n -= view[i].size;
    if (n < 0)
      return i;
  }
}

// node_modules/codemirror/src/display/view_tracking.js
function regChange(cm, from, to, lendiff) {
  if (from == null)
    from = cm.doc.first;
  if (to == null)
    to = cm.doc.first + cm.doc.size;
  if (!lendiff)
    lendiff = 0;
  let display = cm.display;
  if (lendiff && to < display.viewTo && (display.updateLineNumbers == null || display.updateLineNumbers > from))
    display.updateLineNumbers = from;
  cm.curOp.viewChanged = true;
  if (from >= display.viewTo) {
    if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo)
      resetView(cm);
  } else if (to <= display.viewFrom) {
    if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) {
      resetView(cm);
    } else {
      display.viewFrom += lendiff;
      display.viewTo += lendiff;
    }
  } else if (from <= display.viewFrom && to >= display.viewTo) {
    resetView(cm);
  } else if (from <= display.viewFrom) {
    let cut = viewCuttingPoint(cm, to, to + lendiff, 1);
    if (cut) {
      display.view = display.view.slice(cut.index);
      display.viewFrom = cut.lineN;
      display.viewTo += lendiff;
    } else {
      resetView(cm);
    }
  } else if (to >= display.viewTo) {
    let cut = viewCuttingPoint(cm, from, from, -1);
    if (cut) {
      display.view = display.view.slice(0, cut.index);
      display.viewTo = cut.lineN;
    } else {
      resetView(cm);
    }
  } else {
    let cutTop = viewCuttingPoint(cm, from, from, -1);
    let cutBot = viewCuttingPoint(cm, to, to + lendiff, 1);
    if (cutTop && cutBot) {
      display.view = display.view.slice(0, cutTop.index).concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN)).concat(display.view.slice(cutBot.index));
      display.viewTo += lendiff;
    } else {
      resetView(cm);
    }
  }
  let ext = display.externalMeasured;
  if (ext) {
    if (to < ext.lineN)
      ext.lineN += lendiff;
    else if (from < ext.lineN + ext.size)
      display.externalMeasured = null;
  }
}
function regLineChange(cm, line, type) {
  cm.curOp.viewChanged = true;
  let display = cm.display, ext = cm.display.externalMeasured;
  if (ext && line >= ext.lineN && line < ext.lineN + ext.size)
    display.externalMeasured = null;
  if (line < display.viewFrom || line >= display.viewTo)
    return;
  let lineView = display.view[findViewIndex(cm, line)];
  if (lineView.node == null)
    return;
  let arr = lineView.changes || (lineView.changes = []);
  if (indexOf(arr, type) == -1)
    arr.push(type);
}
function resetView(cm) {
  cm.display.viewFrom = cm.display.viewTo = cm.doc.first;
  cm.display.view = [];
  cm.display.viewOffset = 0;
}
function viewCuttingPoint(cm, oldN, newN, dir) {
  let index = findViewIndex(cm, oldN), diff, view = cm.display.view;
  if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size)
    return {index, lineN: newN};
  let n = cm.display.viewFrom;
  for (let i = 0; i < index; i++)
    n += view[i].size;
  if (n != oldN) {
    if (dir > 0) {
      if (index == view.length - 1)
        return null;
      diff = n + view[index].size - oldN;
      index++;
    } else {
      diff = n - oldN;
    }
    oldN += diff;
    newN += diff;
  }
  while (visualLineNo(cm.doc, newN) != newN) {
    if (index == (dir < 0 ? 0 : view.length - 1))
      return null;
    newN += dir * view[index - (dir < 0 ? 1 : 0)].size;
    index += dir;
  }
  return {index, lineN: newN};
}
function adjustView(cm, from, to) {
  let display = cm.display, view = display.view;
  if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) {
    display.view = buildViewArray(cm, from, to);
    display.viewFrom = from;
  } else {
    if (display.viewFrom > from)
      display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view);
    else if (display.viewFrom < from)
      display.view = display.view.slice(findViewIndex(cm, from));
    display.viewFrom = from;
    if (display.viewTo < to)
      display.view = display.view.concat(buildViewArray(cm, display.viewTo, to));
    else if (display.viewTo > to)
      display.view = display.view.slice(0, findViewIndex(cm, to));
  }
  display.viewTo = to;
}
function countDirtyView(cm) {
  let view = cm.display.view, dirty = 0;
  for (let i = 0; i < view.length; i++) {
    let lineView = view[i];
    if (!lineView.hidden && (!lineView.node || lineView.changes))
      ++dirty;
  }
  return dirty;
}

// node_modules/codemirror/src/display/selection.js
function updateSelection(cm) {
  cm.display.input.showSelection(cm.display.input.prepareSelection());
}
function prepareSelection(cm, primary = true) {
  let doc = cm.doc, result = {};
  let curFragment = result.cursors = document.createDocumentFragment();
  let selFragment = result.selection = document.createDocumentFragment();
  for (let i = 0; i < doc.sel.ranges.length; i++) {
    if (!primary && i == doc.sel.primIndex)
      continue;
    let range2 = doc.sel.ranges[i];
    if (range2.from().line >= cm.display.viewTo || range2.to().line < cm.display.viewFrom)
      continue;
    let collapsed = range2.empty();
    if (collapsed || cm.options.showCursorWhenSelecting)
      drawSelectionCursor(cm, range2.head, curFragment);
    if (!collapsed)
      drawSelectionRange(cm, range2, selFragment);
  }
  return result;
}
function drawSelectionCursor(cm, head, output) {
  let pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine);
  let cursor = output.appendChild(elt("div", "\xA0", "CodeMirror-cursor"));
  cursor.style.left = pos.left + "px";
  cursor.style.top = pos.top + "px";
  cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px";
  if (pos.other) {
    let otherCursor = output.appendChild(elt("div", "\xA0", "CodeMirror-cursor CodeMirror-secondarycursor"));
    otherCursor.style.display = "";
    otherCursor.style.left = pos.other.left + "px";
    otherCursor.style.top = pos.other.top + "px";
    otherCursor.style.height = (pos.other.bottom - pos.other.top) * 0.85 + "px";
  }
}
function cmpCoords(a, b) {
  return a.top - b.top || a.left - b.left;
}
function drawSelectionRange(cm, range2, output) {
  let display = cm.display, doc = cm.doc;
  let fragment = document.createDocumentFragment();
  let padding = paddingH(cm.display), leftSide = padding.left;
  let rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right;
  let docLTR = doc.direction == "ltr";
  function add(left, top, width, bottom) {
    if (top < 0)
      top = 0;
    top = Math.round(top);
    bottom = Math.round(bottom);
    fragment.appendChild(elt("div", null, "CodeMirror-selected", `position: absolute; left: ${left}px;
                             top: ${top}px; width: ${width == null ? rightSide - left : width}px;
                             height: ${bottom - top}px`));
  }
  function drawForLine(line, fromArg, toArg) {
    let lineObj = getLine(doc, line);
    let lineLen = lineObj.text.length;
    let start, end;
    function coords(ch, bias) {
      return charCoords(cm, Pos(line, ch), "div", lineObj, bias);
    }
    function wrapX(pos, dir, side) {
      let extent = wrappedLineExtentChar(cm, lineObj, null, pos);
      let prop = dir == "ltr" == (side == "after") ? "left" : "right";
      let ch = side == "after" ? extent.begin : extent.end - (/\s/.test(lineObj.text.charAt(extent.end - 1)) ? 2 : 1);
      return coords(ch, prop)[prop];
    }
    let order = getOrder(lineObj, doc.direction);
    iterateBidiSections(order, fromArg || 0, toArg == null ? lineLen : toArg, (from, to, dir, i) => {
      let ltr = dir == "ltr";
      let fromPos = coords(from, ltr ? "left" : "right");
      let toPos = coords(to - 1, ltr ? "right" : "left");
      let openStart = fromArg == null && from == 0, openEnd = toArg == null && to == lineLen;
      let first = i == 0, last = !order || i == order.length - 1;
      if (toPos.top - fromPos.top <= 3) {
        let openLeft = (docLTR ? openStart : openEnd) && first;
        let openRight = (docLTR ? openEnd : openStart) && last;
        let left = openLeft ? leftSide : (ltr ? fromPos : toPos).left;
        let right = openRight ? rightSide : (ltr ? toPos : fromPos).right;
        add(left, fromPos.top, right - left, fromPos.bottom);
      } else {
        let topLeft, topRight, botLeft, botRight;
        if (ltr) {
          topLeft = docLTR && openStart && first ? leftSide : fromPos.left;
          topRight = docLTR ? rightSide : wrapX(from, dir, "before");
          botLeft = docLTR ? leftSide : wrapX(to, dir, "after");
          botRight = docLTR && openEnd && last ? rightSide : toPos.right;
        } else {
          topLeft = !docLTR ? leftSide : wrapX(from, dir, "before");
          topRight = !docLTR && openStart && first ? rightSide : fromPos.right;
          botLeft = !docLTR && openEnd && last ? leftSide : toPos.left;
          botRight = !docLTR ? rightSide : wrapX(to, dir, "after");
        }
        add(topLeft, fromPos.top, topRight - topLeft, fromPos.bottom);
        if (fromPos.bottom < toPos.top)
          add(leftSide, fromPos.bottom, null, toPos.top);
        add(botLeft, toPos.top, botRight - botLeft, toPos.bottom);
      }
      if (!start || cmpCoords(fromPos, start) < 0)
        start = fromPos;
      if (cmpCoords(toPos, start) < 0)
        start = toPos;
      if (!end || cmpCoords(fromPos, end) < 0)
        end = fromPos;
      if (cmpCoords(toPos, end) < 0)
        end = toPos;
    });
    return {start, end};
  }
  let sFrom = range2.from(), sTo = range2.to();
  if (sFrom.line == sTo.line) {
    drawForLine(sFrom.line, sFrom.ch, sTo.ch);
  } else {
    let fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line);
    let singleVLine = visualLine(fromLine) == visualLine(toLine);
    let leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end;
    let rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start;
    if (singleVLine) {
      if (leftEnd.top < rightStart.top - 2) {
        add(leftEnd.right, leftEnd.top, null, leftEnd.bottom);
        add(leftSide, rightStart.top, rightStart.left, rightStart.bottom);
      } else {
        add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom);
      }
    }
    if (leftEnd.bottom < rightStart.top)
      add(leftSide, leftEnd.bottom, null, rightStart.top);
  }
  output.appendChild(fragment);
}
function restartBlink(cm) {
  if (!cm.state.focused)
    return;
  let display = cm.display;
  clearInterval(display.blinker);
  let on2 = true;
  display.cursorDiv.style.visibility = "";
  if (cm.options.cursorBlinkRate > 0)
    display.blinker = setInterval(() => {
      if (!cm.hasFocus())
        onBlur(cm);
      display.cursorDiv.style.visibility = (on2 = !on2) ? "" : "hidden";
    }, cm.options.cursorBlinkRate);
  else if (cm.options.cursorBlinkRate < 0)
    display.cursorDiv.style.visibility = "hidden";
}

// node_modules/codemirror/src/display/focus.js
function ensureFocus(cm) {
  if (!cm.hasFocus()) {
    cm.display.input.focus();
    if (!cm.state.focused)
      onFocus(cm);
  }
}
function delayBlurEvent(cm) {
  cm.state.delayingBlurEvent = true;
  setTimeout(() => {
    if (cm.state.delayingBlurEvent) {
      cm.state.delayingBlurEvent = false;
      if (cm.state.focused)
        onBlur(cm);
    }
  }, 100);
}
function onFocus(cm, e) {
  if (cm.state.delayingBlurEvent && !cm.state.draggingText)
    cm.state.delayingBlurEvent = false;
  if (cm.options.readOnly == "nocursor")
    return;
  if (!cm.state.focused) {
    signal(cm, "focus", cm, e);
    cm.state.focused = true;
    addClass(cm.display.wrapper, "CodeMirror-focused");
    if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) {
      cm.display.input.reset();
      if (webkit)
        setTimeout(() => cm.display.input.reset(true), 20);
    }
    cm.display.input.receivedFocus();
  }
  restartBlink(cm);
}
function onBlur(cm, e) {
  if (cm.state.delayingBlurEvent)
    return;
  if (cm.state.focused) {
    signal(cm, "blur", cm, e);
    cm.state.focused = false;
    rmClass(cm.display.wrapper, "CodeMirror-focused");
  }
  clearInterval(cm.display.blinker);
  setTimeout(() => {
    if (!cm.state.focused)
      cm.display.shift = false;
  }, 150);
}

// node_modules/codemirror/src/display/update_lines.js
function updateHeightsInViewport(cm) {
  let display = cm.display;
  let prevBottom = display.lineDiv.offsetTop;
  for (let i = 0; i < display.view.length; i++) {
    let cur = display.view[i], wrapping = cm.options.lineWrapping;
    let height, width = 0;
    if (cur.hidden)
      continue;
    if (ie && ie_version < 8) {
      let bot = cur.node.offsetTop + cur.node.offsetHeight;
      height = bot - prevBottom;
      prevBottom = bot;
    } else {
      let box = cur.node.getBoundingClientRect();
      height = box.bottom - box.top;
      if (!wrapping && cur.text.firstChild)
        width = cur.text.firstChild.getBoundingClientRect().right - box.left - 1;
    }
    let diff = cur.line.height - height;
    if (diff > 5e-3 || diff < -5e-3) {
      updateLineHeight(cur.line, height);
      updateWidgetHeight(cur.line);
      if (cur.rest)
        for (let j = 0; j < cur.rest.length; j++)
          updateWidgetHeight(cur.rest[j]);
    }
    if (width > cm.display.sizerWidth) {
      let chWidth = Math.ceil(width / charWidth(cm.display));
      if (chWidth > cm.display.maxLineLength) {
        cm.display.maxLineLength = chWidth;
        cm.display.maxLine = cur.line;
        cm.display.maxLineChanged = true;
      }
    }
  }
}
function updateWidgetHeight(line) {
  if (line.widgets)
    for (let i = 0; i < line.widgets.length; ++i) {
      let w = line.widgets[i], parent = w.node.parentNode;
      if (parent)
        w.height = parent.offsetHeight;
    }
}
function visibleLines(display, doc, viewport) {
  let top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop;
  top = Math.floor(top - paddingTop(display));
  let bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight;
  let from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom);
  if (viewport && viewport.ensure) {
    let ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line;
    if (ensureFrom < from) {
      from = ensureFrom;
      to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight);
    } else if (Math.min(ensureTo, doc.lastLine()) >= to) {
      from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight);
      to = ensureTo;
    }
  }
  return {from, to: Math.max(to, from + 1)};
}

// node_modules/codemirror/src/display/scrolling.js
function maybeScrollWindow(cm, rect) {
  if (signalDOMEvent(cm, "scrollCursorIntoView"))
    return;
  let display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;
  if (rect.top + box.top < 0)
    doScroll = true;
  else if (rect.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight))
    doScroll = false;
  if (doScroll != null && !phantom) {
    let scrollNode = elt("div", "\u200B", null, `position: absolute;
                         top: ${rect.top - display.viewOffset - paddingTop(cm.display)}px;
                         height: ${rect.bottom - rect.top + scrollGap(cm) + display.barHeight}px;
                         left: ${rect.left}px; width: ${Math.max(2, rect.right - rect.left)}px;`);
    cm.display.lineSpace.appendChild(scrollNode);
    scrollNode.scrollIntoView(doScroll);
    cm.display.lineSpace.removeChild(scrollNode);
  }
}
function scrollPosIntoView(cm, pos, end, margin) {
  if (margin == null)
    margin = 0;
  let rect;
  if (!cm.options.lineWrapping && pos == end) {
    pos = pos.ch ? Pos(pos.line, pos.sticky == "before" ? pos.ch - 1 : pos.ch, "after") : pos;
    end = pos.sticky == "before" ? Pos(pos.line, pos.ch + 1, "before") : pos;
  }
  for (let limit = 0; limit < 5; limit++) {
    let changed = false;
    let coords = cursorCoords(cm, pos);
    let endCoords = !end || end == pos ? coords : cursorCoords(cm, end);
    rect = {
      left: Math.min(coords.left, endCoords.left),
      top: Math.min(coords.top, endCoords.top) - margin,
      right: Math.max(coords.left, endCoords.left),
      bottom: Math.max(coords.bottom, endCoords.bottom) + margin
    };
    let scrollPos = calculateScrollPos(cm, rect);
    let startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft;
    if (scrollPos.scrollTop != null) {
      updateScrollTop(cm, scrollPos.scrollTop);
      if (Math.abs(cm.doc.scrollTop - startTop) > 1)
        changed = true;
    }
    if (scrollPos.scrollLeft != null) {
      setScrollLeft(cm, scrollPos.scrollLeft);
      if (Math.abs(cm.doc.scrollLeft - startLeft) > 1)
        changed = true;
    }
    if (!changed)
      break;
  }
  return rect;
}
function scrollIntoView(cm, rect) {
  let scrollPos = calculateScrollPos(cm, rect);
  if (scrollPos.scrollTop != null)
    updateScrollTop(cm, scrollPos.scrollTop);
  if (scrollPos.scrollLeft != null)
    setScrollLeft(cm, scrollPos.scrollLeft);
}
function calculateScrollPos(cm, rect) {
  let display = cm.display, snapMargin = textHeight(cm.display);
  if (rect.top < 0)
    rect.top = 0;
  let screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop;
  let screen2 = displayHeight(cm), result = {};
  if (rect.bottom - rect.top > screen2)
    rect.bottom = rect.top + screen2;
  let docBottom = cm.doc.height + paddingVert(display);
  let atTop = rect.top < snapMargin, atBottom = rect.bottom > docBottom - snapMargin;
  if (rect.top < screentop) {
    result.scrollTop = atTop ? 0 : rect.top;
  } else if (rect.bottom > screentop + screen2) {
    let newTop = Math.min(rect.top, (atBottom ? docBottom : rect.bottom) - screen2);
    if (newTop != screentop)
      result.scrollTop = newTop;
  }
  let gutterSpace = cm.options.fixedGutter ? 0 : display.gutters.offsetWidth;
  let screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft - gutterSpace;
  let screenw = displayWidth(cm) - display.gutters.offsetWidth;
  let tooWide = rect.right - rect.left > screenw;
  if (tooWide)
    rect.right = rect.left + screenw;
  if (rect.left < 10)
    result.scrollLeft = 0;
  else if (rect.left < screenleft)
    result.scrollLeft = Math.max(0, rect.left + gutterSpace - (tooWide ? 0 : 10));
  else if (rect.right > screenw + screenleft - 3)
    result.scrollLeft = rect.right + (tooWide ? 0 : 10) - screenw;
  return result;
}
function addToScrollTop(cm, top) {
  if (top == null)
    return;
  resolveScrollToPos(cm);
  cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top;
}
function ensureCursorVisible(cm) {
  resolveScrollToPos(cm);
  let cur = cm.getCursor();
  cm.curOp.scrollToPos = {from: cur, to: cur, margin: cm.options.cursorScrollMargin};
}
function scrollToCoords(cm, x, y) {
  if (x != null || y != null)
    resolveScrollToPos(cm);
  if (x != null)
    cm.curOp.scrollLeft = x;
  if (y != null)
    cm.curOp.scrollTop = y;
}
function scrollToRange(cm, range2) {
  resolveScrollToPos(cm);
  cm.curOp.scrollToPos = range2;
}
function resolveScrollToPos(cm) {
  let range2 = cm.curOp.scrollToPos;
  if (range2) {
    cm.curOp.scrollToPos = null;
    let from = estimateCoords(cm, range2.from), to = estimateCoords(cm, range2.to);
    scrollToCoordsRange(cm, from, to, range2.margin);
  }
}
function scrollToCoordsRange(cm, from, to, margin) {
  let sPos = calculateScrollPos(cm, {
    left: Math.min(from.left, to.left),
    top: Math.min(from.top, to.top) - margin,
    right: Math.max(from.right, to.right),
    bottom: Math.max(from.bottom, to.bottom) + margin
  });
  scrollToCoords(cm, sPos.scrollLeft, sPos.scrollTop);
}
function updateScrollTop(cm, val) {
  if (Math.abs(cm.doc.scrollTop - val) < 2)
    return;
  if (!gecko)
    updateDisplaySimple(cm, {top: val});
  setScrollTop(cm, val, true);
  if (gecko)
    updateDisplaySimple(cm);
  startWorker(cm, 100);
}
function setScrollTop(cm, val, forceScroll) {
  val = Math.max(0, Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight, val));
  if (cm.display.scroller.scrollTop == val && !forceScroll)
    return;
  cm.doc.scrollTop = val;
  cm.display.scrollbars.setScrollTop(val);
  if (cm.display.scroller.scrollTop != val)
    cm.display.scroller.scrollTop = val;
}
function setScrollLeft(cm, val, isScroller, forceScroll) {
  val = Math.max(0, Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth));
  if ((isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) && !forceScroll)
    return;
  cm.doc.scrollLeft = val;
  alignHorizontally(cm);
  if (cm.display.scroller.scrollLeft != val)
    cm.display.scroller.scrollLeft = val;
  cm.display.scrollbars.setScrollLeft(val);
}

// node_modules/codemirror/src/display/scrollbars.js
function measureForScrollbars(cm) {
  let d = cm.display, gutterW = d.gutters.offsetWidth;
  let docH = Math.round(cm.doc.height + paddingVert(cm.display));
  return {
    clientHeight: d.scroller.clientHeight,
    viewHeight: d.wrapper.clientHeight,
    scrollWidth: d.scroller.scrollWidth,
    clientWidth: d.scroller.clientWidth,
    viewWidth: d.wrapper.clientWidth,
    barLeft: cm.options.fixedGutter ? gutterW : 0,
    docHeight: docH,
    scrollHeight: docH + scrollGap(cm) + d.barHeight,
    nativeBarWidth: d.nativeBarWidth,
    gutterWidth: gutterW
  };
}
var NativeScrollbars = class {
  constructor(place, scroll, cm) {
    this.cm = cm;
    let vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar");
    let horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar");
    vert.tabIndex = horiz.tabIndex = -1;
    place(vert);
    place(horiz);
    on(vert, "scroll", () => {
      if (vert.clientHeight)
        scroll(vert.scrollTop, "vertical");
    });
    on(horiz, "scroll", () => {
      if (horiz.clientWidth)
        scroll(horiz.scrollLeft, "horizontal");
    });
    this.checkedZeroWidth = false;
    if (ie && ie_version < 8)
      this.horiz.style.minHeight = this.vert.style.minWidth = "18px";
  }
  update(measure) {
    let needsH = measure.scrollWidth > measure.clientWidth + 1;
    let needsV = measure.scrollHeight > measure.clientHeight + 1;
    let sWidth = measure.nativeBarWidth;
    if (needsV) {
      this.vert.style.display = "block";
      this.vert.style.bottom = needsH ? sWidth + "px" : "0";
      let totalHeight = measure.viewHeight - (needsH ? sWidth : 0);
      this.vert.firstChild.style.height = Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px";
    } else {
      this.vert.style.display = "";
      this.vert.firstChild.style.height = "0";
    }
    if (needsH) {
      this.horiz.style.display = "block";
      this.horiz.style.right = needsV ? sWidth + "px" : "0";
      this.horiz.style.left = measure.barLeft + "px";
      let totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0);
      this.horiz.firstChild.style.width = Math.max(0, measure.scrollWidth - measure.clientWidth + totalWidth) + "px";
    } else {
      this.horiz.style.display = "";
      this.horiz.firstChild.style.width = "0";
    }
    if (!this.checkedZeroWidth && measure.clientHeight > 0) {
      if (sWidth == 0)
        this.zeroWidthHack();
      this.checkedZeroWidth = true;
    }
    return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0};
  }
  setScrollLeft(pos) {
    if (this.horiz.scrollLeft != pos)
      this.horiz.scrollLeft = pos;
    if (this.disableHoriz)
      this.enableZeroWidthBar(this.horiz, this.disableHoriz, "horiz");
  }
  setScrollTop(pos) {
    if (this.vert.scrollTop != pos)
      this.vert.scrollTop = pos;
    if (this.disableVert)
      this.enableZeroWidthBar(this.vert, this.disableVert, "vert");
  }
  zeroWidthHack() {
    let w = mac && !mac_geMountainLion ? "12px" : "18px";
    this.horiz.style.height = this.vert.style.width = w;
    this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none";
    this.disableHoriz = new Delayed();
    this.disableVert = new Delayed();
  }
  enableZeroWidthBar(bar, delay, type) {
    bar.style.pointerEvents = "auto";
    function maybeDisable() {
      let box = bar.getBoundingClientRect();
      let elt2 = type == "vert" ? document.elementFromPoint(box.right - 1, (box.top + box.bottom) / 2) : document.elementFromPoint((box.right + box.left) / 2, box.bottom - 1);
      if (elt2 != bar)
        bar.style.pointerEvents = "none";
      else
        delay.set(1e3, maybeDisable);
    }
    delay.set(1e3, maybeDisable);
  }
  clear() {
    let parent = this.horiz.parentNode;
    parent.removeChild(this.horiz);
    parent.removeChild(this.vert);
  }
};
var NullScrollbars = class {
  update() {
    return {bottom: 0, right: 0};
  }
  setScrollLeft() {
  }
  setScrollTop() {
  }
  clear() {
  }
};
function updateScrollbars(cm, measure) {
  if (!measure)
    measure = measureForScrollbars(cm);
  let startWidth = cm.display.barWidth, startHeight = cm.display.barHeight;
  updateScrollbarsInner(cm, measure);
  for (let i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) {
    if (startWidth != cm.display.barWidth && cm.options.lineWrapping)
      updateHeightsInViewport(cm);
    updateScrollbarsInner(cm, measureForScrollbars(cm));
    startWidth = cm.display.barWidth;
    startHeight = cm.display.barHeight;
  }
}
function updateScrollbarsInner(cm, measure) {
  let d = cm.display;
  let sizes = d.scrollbars.update(measure);
  d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px";
  d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px";
  d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent";
  if (sizes.right && sizes.bottom) {
    d.scrollbarFiller.style.display = "block";
    d.scrollbarFiller.style.height = sizes.bottom + "px";
    d.scrollbarFiller.style.width = sizes.right + "px";
  } else
    d.scrollbarFiller.style.display = "";
  if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {
    d.gutterFiller.style.display = "block";
    d.gutterFiller.style.height = sizes.bottom + "px";
    d.gutterFiller.style.width = measure.gutterWidth + "px";
  } else
    d.gutterFiller.style.display = "";
}
var scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars};
function initScrollbars(cm) {
  if (cm.display.scrollbars) {
    cm.display.scrollbars.clear();
    if (cm.display.scrollbars.addClass)
      rmClass(cm.display.wrapper, cm.display.scrollbars.addClass);
  }
  cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle]((node) => {
    cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller);
    on(node, "mousedown", () => {
      if (cm.state.focused)
        setTimeout(() => cm.display.input.focus(), 0);
    });
    node.setAttribute("cm-not-content", "true");
  }, (pos, axis) => {
    if (axis == "horizontal")
      setScrollLeft(cm, pos);
    else
      updateScrollTop(cm, pos);
  }, cm);
  if (cm.display.scrollbars.addClass)
    addClass(cm.display.wrapper, cm.display.scrollbars.addClass);
}

// node_modules/codemirror/src/display/operations.js
var nextOpId = 0;
function startOperation(cm) {
  cm.curOp = {
    cm,
    viewChanged: false,
    startHeight: cm.doc.height,
    forceUpdate: false,
    updateInput: 0,
    typing: false,
    changeObjs: null,
    cursorActivityHandlers: null,
    cursorActivityCalled: 0,
    selectionChanged: false,
    updateMaxLine: false,
    scrollLeft: null,
    scrollTop: null,
    scrollToPos: null,
    focus: false,
    id: ++nextOpId
  };
  pushOperation(cm.curOp);
}
function endOperation(cm) {
  let op = cm.curOp;
  if (op)
    finishOperation(op, (group) => {
      for (let i = 0; i < group.ops.length; i++)
        group.ops[i].cm.curOp = null;
      endOperations(group);
    });
}
function endOperations(group) {
  let ops = group.ops;
  for (let i = 0; i < ops.length; i++)
    endOperation_R1(ops[i]);
  for (let i = 0; i < ops.length; i++)
    endOperation_W1(ops[i]);
  for (let i = 0; i < ops.length; i++)
    endOperation_R2(ops[i]);
  for (let i = 0; i < ops.length; i++)
    endOperation_W2(ops[i]);
  for (let i = 0; i < ops.length; i++)
    endOperation_finish(ops[i]);
}
function endOperation_R1(op) {
  let cm = op.cm, display = cm.display;
  maybeClipScrollbars(cm);
  if (op.updateMaxLine)
    findMaxLine(cm);
  op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null || op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom || op.scrollToPos.to.line >= display.viewTo) || display.maxLineChanged && cm.options.lineWrapping;
  op.update = op.mustUpdate && new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate);
}
function endOperation_W1(op) {
  op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update);
}
function endOperation_R2(op) {
  let cm = op.cm, display = cm.display;
  if (op.updatedDisplay)
    updateHeightsInViewport(cm);
  op.barMeasure = measureForScrollbars(cm);
  if (display.maxLineChanged && !cm.options.lineWrapping) {
    op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3;
    cm.display.sizerWidth = op.adjustWidthTo;
    op.barMeasure.scrollWidth = Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth);
    op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm));
  }
  if (op.updatedDisplay || op.selectionChanged)
    op.preparedSelection = display.input.prepareSelection();
}
function endOperation_W2(op) {
  let cm = op.cm;
  if (op.adjustWidthTo != null) {
    cm.display.sizer.style.minWidth = op.adjustWidthTo + "px";
    if (op.maxScrollLeft < cm.doc.scrollLeft)
      setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true);
    cm.display.maxLineChanged = false;
  }
  let takeFocus = op.focus && op.focus == activeElt();
  if (op.preparedSelection)
    cm.display.input.showSelection(op.preparedSelection, takeFocus);
  if (op.updatedDisplay || op.startHeight != cm.doc.height)
    updateScrollbars(cm, op.barMeasure);
  if (op.updatedDisplay)
    setDocumentHeight(cm, op.barMeasure);
  if (op.selectionChanged)
    restartBlink(cm);
  if (cm.state.focused && op.updateInput)
    cm.display.input.reset(op.typing);
  if (takeFocus)
    ensureFocus(op.cm);
}
function endOperation_finish(op) {
  let cm = op.cm, display = cm.display, doc = cm.doc;
  if (op.updatedDisplay)
    postUpdateDisplay(cm, op.update);
  if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos))
    display.wheelStartX = display.wheelStartY = null;
  if (op.scrollTop != null)
    setScrollTop(cm, op.scrollTop, op.forceScroll);
  if (op.scrollLeft != null)
    setScrollLeft(cm, op.scrollLeft, true, true);
  if (op.scrollToPos) {
    let rect = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from), clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin);
    maybeScrollWindow(cm, rect);
  }
  let hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers;
  if (hidden) {
    for (let i = 0; i < hidden.length; ++i)
      if (!hidden[i].lines.length)
        signal(hidden[i], "hide");
  }
  if (unhidden) {
    for (let i = 0; i < unhidden.length; ++i)
      if (unhidden[i].lines.length)
        signal(unhidden[i], "unhide");
  }
  if (display.wrapper.offsetHeight)
    doc.scrollTop = cm.display.scroller.scrollTop;
  if (op.changeObjs)
    signal(cm, "changes", cm, op.changeObjs);
  if (op.update)
    op.update.finish();
}
function runInOp(cm, f) {
  if (cm.curOp)
    return f();
  startOperation(cm);
  try {
    return f();
  } finally {
    endOperation(cm);
  }
}
function operation(cm, f) {
  return function() {
    if (cm.curOp)
      return f.apply(cm, arguments);
    startOperation(cm);
    try {
      return f.apply(cm, arguments);
    } finally {
      endOperation(cm);
    }
  };
}
function methodOp(f) {
  return function() {
    if (this.curOp)
      return f.apply(this, arguments);
    startOperation(this);
    try {
      return f.apply(this, arguments);
    } finally {
      endOperation(this);
    }
  };
}
function docMethodOp(f) {
  return function() {
    let cm = this.cm;
    if (!cm || cm.curOp)
      return f.apply(this, arguments);
    startOperation(cm);
    try {
      return f.apply(this, arguments);
    } finally {
      endOperation(cm);
    }
  };
}

// node_modules/codemirror/src/display/highlight_worker.js
function startWorker(cm, time) {
  if (cm.doc.highlightFrontier < cm.display.viewTo)
    cm.state.highlight.set(time, bind(highlightWorker, cm));
}
function highlightWorker(cm) {
  let doc = cm.doc;
  if (doc.highlightFrontier >= cm.display.viewTo)
    return;
  let end = +new Date() + cm.options.workTime;
  let context = getContextBefore(cm, doc.highlightFrontier);
  let changedLines = [];
  doc.iter(context.line, Math.min(doc.first + doc.size, cm.display.viewTo + 500), (line) => {
    if (context.line >= cm.display.viewFrom) {
      let oldStyles = line.styles;
      let resetState = line.text.length > cm.options.maxHighlightLength ? copyState(doc.mode, context.state) : null;
      let highlighted = highlightLine(cm, line, context, true);
      if (resetState)
        context.state = resetState;
      line.styles = highlighted.styles;
      let oldCls = line.styleClasses, newCls = highlighted.classes;
      if (newCls)
        line.styleClasses = newCls;
      else if (oldCls)
        line.styleClasses = null;
      let ischange = !oldStyles || oldStyles.length != line.styles.length || oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass);
      for (let i = 0; !ischange && i < oldStyles.length; ++i)
        ischange = oldStyles[i] != line.styles[i];
      if (ischange)
        changedLines.push(context.line);
      line.stateAfter = context.save();
      context.nextLine();
    } else {
      if (line.text.length <= cm.options.maxHighlightLength)
        processLine(cm, line.text, context);
      line.stateAfter = context.line % 5 == 0 ? context.save() : null;
      context.nextLine();
    }
    if (+new Date() > end) {
      startWorker(cm, cm.options.workDelay);
      return true;
    }
  });
  doc.highlightFrontier = context.line;
  doc.modeFrontier = Math.max(doc.modeFrontier, context.line);
  if (changedLines.length)
    runInOp(cm, () => {
      for (let i = 0; i < changedLines.length; i++)
        regLineChange(cm, changedLines[i], "text");
    });
}

// node_modules/codemirror/src/display/update_display.js
var DisplayUpdate = class {
  constructor(cm, viewport, force) {
    let display = cm.display;
    this.viewport = viewport;
    this.visible = visibleLines(display, cm.doc, viewport);
    this.editorIsHidden = !display.wrapper.offsetWidth;
    this.wrapperHeight = display.wrapper.clientHeight;
    this.wrapperWidth = display.wrapper.clientWidth;
    this.oldDisplayWidth = displayWidth(cm);
    this.force = force;
    this.dims = getDimensions(cm);
    this.events = [];
  }
  signal(emitter, type) {
    if (hasHandler(emitter, type))
      this.events.push(arguments);
  }
  finish() {
    for (let i = 0; i < this.events.length; i++)
      signal.apply(null, this.events[i]);
  }
};
function maybeClipScrollbars(cm) {
  let display = cm.display;
  if (!display.scrollbarsClipped && display.scroller.offsetWidth) {
    display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth;
    display.heightForcer.style.height = scrollGap(cm) + "px";
    display.sizer.style.marginBottom = -display.nativeBarWidth + "px";
    display.sizer.style.borderRightWidth = scrollGap(cm) + "px";
    display.scrollbarsClipped = true;
  }
}
function selectionSnapshot(cm) {
  if (cm.hasFocus())
    return null;
  let active = activeElt();
  if (!active || !contains(cm.display.lineDiv, active))
    return null;
  let result = {activeElt: active};
  if (window.getSelection) {
    let sel = window.getSelection();
    if (sel.anchorNode && sel.extend && contains(cm.display.lineDiv, sel.anchorNode)) {
      result.anchorNode = sel.anchorNode;
      result.anchorOffset = sel.anchorOffset;
      result.focusNode = sel.focusNode;
      result.focusOffset = sel.focusOffset;
    }
  }
  return result;
}
function restoreSelection(snapshot) {
  if (!snapshot || !snapshot.activeElt || snapshot.activeElt == activeElt())
    return;
  snapshot.activeElt.focus();
  if (!/^(INPUT|TEXTAREA)$/.test(snapshot.activeElt.nodeName) && snapshot.anchorNode && contains(document.body, snapshot.anchorNode) && contains(document.body, snapshot.focusNode)) {
    let sel = window.getSelection(), range2 = document.createRange();
    range2.setEnd(snapshot.anchorNode, snapshot.anchorOffset);
    range2.collapse(false);
    sel.removeAllRanges();
    sel.addRange(range2);
    sel.extend(snapshot.focusNode, snapshot.focusOffset);
  }
}
function updateDisplayIfNeeded(cm, update) {
  let display = cm.display, doc = cm.doc;
  if (update.editorIsHidden) {
    resetView(cm);
    return false;
  }
  if (!update.force && update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo && (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) && display.renderedView == display.view && countDirtyView(cm) == 0)
    return false;
  if (maybeUpdateLineNumberWidth(cm)) {
    resetView(cm);
    update.dims = getDimensions(cm);
  }
  let end = doc.first + doc.size;
  let from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first);
  let to = Math.min(end, update.visible.to + cm.options.viewportMargin);
  if (display.viewFrom < from && from - display.viewFrom < 20)
    from = Math.max(doc.first, display.viewFrom);
  if (display.viewTo > to && display.viewTo - to < 20)
    to = Math.min(end, display.viewTo);
  if (sawCollapsedSpans) {
    from = visualLineNo(cm.doc, from);
    to = visualLineEndNo(cm.doc, to);
  }
  let different = from != display.viewFrom || to != display.viewTo || display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth;
  adjustView(cm, from, to);
  display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom));
  cm.display.mover.style.top = display.viewOffset + "px";
  let toUpdate = countDirtyView(cm);
  if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view && (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo))
    return false;
  let selSnapshot = selectionSnapshot(cm);
  if (toUpdate > 4)
    display.lineDiv.style.display = "none";
  patchDisplay(cm, display.updateLineNumbers, update.dims);
  if (toUpdate > 4)
    display.lineDiv.style.display = "";
  display.renderedView = display.view;
  restoreSelection(selSnapshot);
  removeChildren(display.cursorDiv);
  removeChildren(display.selectionDiv);
  display.gutters.style.height = display.sizer.style.minHeight = 0;
  if (different) {
    display.lastWrapHeight = update.wrapperHeight;
    display.lastWrapWidth = update.wrapperWidth;
    startWorker(cm, 400);
  }
  display.updateLineNumbers = null;
  return true;
}
function postUpdateDisplay(cm, update) {
  let viewport = update.viewport;
  for (let first = true; ; first = false) {
    if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) {
      if (viewport && viewport.top != null)
        viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)};
      update.visible = visibleLines(cm.display, cm.doc, viewport);
      if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo)
        break;
    } else if (first) {
      update.visible = visibleLines(cm.display, cm.doc, viewport);
    }
    if (!updateDisplayIfNeeded(cm, update))
      break;
    updateHeightsInViewport(cm);
    let barMeasure = measureForScrollbars(cm);
    updateSelection(cm);
    updateScrollbars(cm, barMeasure);
    setDocumentHeight(cm, barMeasure);
    update.force = false;
  }
  update.signal(cm, "update", cm);
  if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) {
    update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo);
    cm.display.reportedViewFrom = cm.display.viewFrom;
    cm.display.reportedViewTo = cm.display.viewTo;
  }
}
function updateDisplaySimple(cm, viewport) {
  let update = new DisplayUpdate(cm, viewport);
  if (updateDisplayIfNeeded(cm, update)) {
    updateHeightsInViewport(cm);
    postUpdateDisplay(cm, update);
    let barMeasure = measureForScrollbars(cm);
    updateSelection(cm);
    updateScrollbars(cm, barMeasure);
    setDocumentHeight(cm, barMeasure);
    update.finish();
  }
}
function patchDisplay(cm, updateNumbersFrom, dims) {
  let display = cm.display, lineNumbers = cm.options.lineNumbers;
  let container = display.lineDiv, cur = container.firstChild;
  function rm(node) {
    let next = node.nextSibling;
    if (webkit && mac && cm.display.currentWheelTarget == node)
      node.style.display = "none";
    else
      node.parentNode.removeChild(node);
    return next;
  }
  let view = display.view, lineN = display.viewFrom;
  for (let i = 0; i < view.length; i++) {
    let lineView = view[i];
    if (lineView.hidden) {
    } else if (!lineView.node || lineView.node.parentNode != container) {
      let node = buildLineElement(cm, lineView, lineN, dims);
      container.insertBefore(node, cur);
    } else {
      while (cur != lineView.node)
        cur = rm(cur);
      let updateNumber = lineNumbers && updateNumbersFrom != null && updateNumbersFrom <= lineN && lineView.lineNumber;
      if (lineView.changes) {
        if (indexOf(lineView.changes, "gutter") > -1)
          updateNumber = false;
        updateLineForChanges(cm, lineView, lineN, dims);
      }
      if (updateNumber) {
        removeChildren(lineView.lineNumber);
        lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN)));
      }
      cur = lineView.node.nextSibling;
    }
    lineN += lineView.size;
  }
  while (cur)
    cur = rm(cur);
}
function updateGutterSpace(display) {
  let width = display.gutters.offsetWidth;
  display.sizer.style.marginLeft = width + "px";
  signalLater(display, "gutterChanged", display);
}
function setDocumentHeight(cm, measure) {
  cm.display.sizer.style.minHeight = measure.docHeight + "px";
  cm.display.heightForcer.style.top = measure.docHeight + "px";
  cm.display.gutters.style.height = measure.docHeight + cm.display.barHeight + scrollGap(cm) + "px";
}

// node_modules/codemirror/src/display/line_numbers.js
function alignHorizontally(cm) {
  let display = cm.display, view = display.view;
  if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter))
    return;
  let comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft;
  let gutterW = display.gutters.offsetWidth, left = comp + "px";
  for (let i = 0; i < view.length; i++)
    if (!view[i].hidden) {
      if (cm.options.fixedGutter) {
        if (view[i].gutter)
          view[i].gutter.style.left = left;
        if (view[i].gutterBackground)
          view[i].gutterBackground.style.left = left;
      }
      let align = view[i].alignable;
      if (align)
        for (let j = 0; j < align.length; j++)
          align[j].style.left = left;
    }
  if (cm.options.fixedGutter)
    display.gutters.style.left = comp + gutterW + "px";
}
function maybeUpdateLineNumberWidth(cm) {
  if (!cm.options.lineNumbers)
    return false;
  let doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display;
  if (last.length != display.lineNumChars) {
    let test = display.measure.appendChild(elt("div", [elt("div", last)], "CodeMirror-linenumber CodeMirror-gutter-elt"));
    let innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;
    display.lineGutter.style.width = "";
    display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1;
    display.lineNumWidth = display.lineNumInnerWidth + padding;
    display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;
    display.lineGutter.style.width = display.lineNumWidth + "px";
    updateGutterSpace(cm.display);
    return true;
  }
  return false;
}

// node_modules/codemirror/src/display/gutters.js
function getGutters(gutters, lineNumbers) {
  let result = [], sawLineNumbers = false;
  for (let i = 0; i < gutters.length; i++) {
    let name = gutters[i], style = null;
    if (typeof name != "string") {
      style = name.style;
      name = name.className;
    }
    if (name == "CodeMirror-linenumbers") {
      if (!lineNumbers)
        continue;
      else
        sawLineNumbers = true;
    }
    result.push({className: name, style});
  }
  if (lineNumbers && !sawLineNumbers)
    result.push({className: "CodeMirror-linenumbers", style: null});
  return result;
}
function renderGutters(display) {
  let gutters = display.gutters, specs = display.gutterSpecs;
  removeChildren(gutters);
  display.lineGutter = null;
  for (let i = 0; i < specs.length; ++i) {
    let {className, style} = specs[i];
    let gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + className));
    if (style)
      gElt.style.cssText = style;
    if (className == "CodeMirror-linenumbers") {
      display.lineGutter = gElt;
      gElt.style.width = (display.lineNumWidth || 1) + "px";
    }
  }
  gutters.style.display = specs.length ? "" : "none";
  updateGutterSpace(display);
}
function updateGutters(cm) {
  renderGutters(cm.display);
  regChange(cm);
  alignHorizontally(cm);
}

// node_modules/codemirror/src/display/Display.js
function Display(place, doc, input, options) {
  let d = this;
  this.input = input;
  d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler");
  d.scrollbarFiller.setAttribute("cm-not-content", "true");
  d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler");
  d.gutterFiller.setAttribute("cm-not-content", "true");
  d.lineDiv = eltP("div", null, "CodeMirror-code");
  d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");
  d.cursorDiv = elt("div", null, "CodeMirror-cursors");
  d.measure = elt("div", null, "CodeMirror-measure");
  d.lineMeasure = elt("div", null, "CodeMirror-measure");
  d.lineSpace = eltP("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv], null, "position: relative; outline: none");
  let lines = eltP("div", [d.lineSpace], "CodeMirror-lines");
  d.mover = elt("div", [lines], null, "position: relative");
  d.sizer = elt("div", [d.mover], "CodeMirror-sizer");
  d.sizerWidth = null;
  d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;");
  d.gutters = elt("div", null, "CodeMirror-gutters");
  d.lineGutter = null;
  d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll");
  d.scroller.setAttribute("tabIndex", "-1");
  d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror");
  if (ie && ie_version < 8) {
    d.gutters.style.zIndex = -1;
    d.scroller.style.paddingRight = 0;
  }
  if (!webkit && !(gecko && mobile))
    d.scroller.draggable = true;
  if (place) {
    if (place.appendChild)
      place.appendChild(d.wrapper);
    else
      place(d.wrapper);
  }
  d.viewFrom = d.viewTo = doc.first;
  d.reportedViewFrom = d.reportedViewTo = doc.first;
  d.view = [];
  d.renderedView = null;
  d.externalMeasured = null;
  d.viewOffset = 0;
  d.lastWrapHeight = d.lastWrapWidth = 0;
  d.updateLineNumbers = null;
  d.nativeBarWidth = d.barHeight = d.barWidth = 0;
  d.scrollbarsClipped = false;
  d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;
  d.alignWidgets = false;
  d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
  d.maxLine = null;
  d.maxLineLength = 0;
  d.maxLineChanged = false;
  d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null;
  d.shift = false;
  d.selForContextMenu = null;
  d.activeTouch = null;
  d.gutterSpecs = getGutters(options.gutters, options.lineNumbers);
  renderGutters(d);
  input.init(d);
}

// node_modules/codemirror/src/display/scroll_events.js
var wheelSamples = 0;
var wheelPixelsPerUnit = null;
if (ie)
  wheelPixelsPerUnit = -0.53;
else if (gecko)
  wheelPixelsPerUnit = 15;
else if (chrome)
  wheelPixelsPerUnit = -0.7;
else if (safari)
  wheelPixelsPerUnit = -1 / 3;
function wheelEventDelta(e) {
  let dx = e.wheelDeltaX, dy = e.wheelDeltaY;
  if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS)
    dx = e.detail;
  if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS)
    dy = e.detail;
  else if (dy == null)
    dy = e.wheelDelta;
  return {x: dx, y: dy};
}
function wheelEventPixels(e) {
  let delta = wheelEventDelta(e);
  delta.x *= wheelPixelsPerUnit;
  delta.y *= wheelPixelsPerUnit;
  return delta;
}
function onScrollWheel(cm, e) {
  let delta = wheelEventDelta(e), dx = delta.x, dy = delta.y;
  let display = cm.display, scroll = display.scroller;
  let canScrollX = scroll.scrollWidth > scroll.clientWidth;
  let canScrollY = scroll.scrollHeight > scroll.clientHeight;
  if (!(dx && canScrollX || dy && canScrollY))
    return;
  if (dy && mac && webkit) {
    outer:
      for (let cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) {
        for (let i = 0; i < view.length; i++) {
          if (view[i].node == cur) {
            cm.display.currentWheelTarget = cur;
            break outer;
          }
        }
      }
  }
  if (dx && !gecko && !presto && wheelPixelsPerUnit != null) {
    if (dy && canScrollY)
      updateScrollTop(cm, Math.max(0, scroll.scrollTop + dy * wheelPixelsPerUnit));
    setScrollLeft(cm, Math.max(0, scroll.scrollLeft + dx * wheelPixelsPerUnit));
    if (!dy || dy && canScrollY)
      e_preventDefault(e);
    display.wheelStartX = null;
    return;
  }
  if (dy && wheelPixelsPerUnit != null) {
    let pixels = dy * wheelPixelsPerUnit;
    let top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight;
    if (pixels < 0)
      top = Math.max(0, top + pixels - 50);
    else
      bot = Math.min(cm.doc.height, bot + pixels + 50);
    updateDisplaySimple(cm, {top, bottom: bot});
  }
  if (wheelSamples < 20) {
    if (display.wheelStartX == null) {
      display.wheelStartX = scroll.scrollLeft;
      display.wheelStartY = scroll.scrollTop;
      display.wheelDX = dx;
      display.wheelDY = dy;
      setTimeout(() => {
        if (display.wheelStartX == null)
          return;
        let movedX = scroll.scrollLeft - display.wheelStartX;
        let movedY = scroll.scrollTop - display.wheelStartY;
        let sample = movedY && display.wheelDY && movedY / display.wheelDY || movedX && display.wheelDX && movedX / display.wheelDX;
        display.wheelStartX = display.wheelStartY = null;
        if (!sample)
          return;
        wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);
        ++wheelSamples;
      }, 200);
    } else {
      display.wheelDX += dx;
      display.wheelDY += dy;
    }
  }
}

// node_modules/codemirror/src/model/selection.js
var Selection = class {
  constructor(ranges, primIndex) {
    this.ranges = ranges;
    this.primIndex = primIndex;
  }
  primary() {
    return this.ranges[this.primIndex];
  }
  equals(other) {
    if (other == this)
      return true;
    if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length)
      return false;
    for (let i = 0; i < this.ranges.length; i++) {
      let here = this.ranges[i], there = other.ranges[i];
      if (!equalCursorPos(here.anchor, there.anchor) || !equalCursorPos(here.head, there.head))
        return false;
    }
    return true;
  }
  deepCopy() {
    let out = [];
    for (let i = 0; i < this.ranges.length; i++)
      out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head));
    return new Selection(out, this.primIndex);
  }
  somethingSelected() {
    for (let i = 0; i < this.ranges.length; i++)
      if (!this.ranges[i].empty())
        return true;
    return false;
  }
  contains(pos, end) {
    if (!end)
      end = pos;
    for (let i = 0; i < this.ranges.length; i++) {
      let range2 = this.ranges[i];
      if (cmp(end, range2.from()) >= 0 && cmp(pos, range2.to()) <= 0)
        return i;
    }
    return -1;
  }
};
var Range = class {
  constructor(anchor, head) {
    this.anchor = anchor;
    this.head = head;
  }
  from() {
    return minPos(this.anchor, this.head);
  }
  to() {
    return maxPos(this.anchor, this.head);
  }
  empty() {
    return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch;
  }
};
function normalizeSelection(cm, ranges, primIndex) {
  let mayTouch = cm && cm.options.selectionsMayTouch;
  let prim = ranges[primIndex];
  ranges.sort((a, b) => cmp(a.from(), b.from()));
  primIndex = indexOf(ranges, prim);
  for (let i = 1; i < ranges.length; i++) {
    let cur = ranges[i], prev = ranges[i - 1];
    let diff = cmp(prev.to(), cur.from());
    if (mayTouch && !cur.empty() ? diff > 0 : diff >= 0) {
      let from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to());
      let inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head;
      if (i <= primIndex)
        --primIndex;
      ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to));
    }
  }
  return new Selection(ranges, primIndex);
}
function simpleSelection(anchor, head) {
  return new Selection([new Range(anchor, head || anchor)], 0);
}

// node_modules/codemirror/src/model/change_measurement.js
function changeEnd(change) {
  if (!change.text)
    return change.to;
  return Pos(change.from.line + change.text.length - 1, lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0));
}
function adjustForChange(pos, change) {
  if (cmp(pos, change.from) < 0)
    return pos;
  if (cmp(pos, change.to) <= 0)
    return changeEnd(change);
  let line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch;
  if (pos.line == change.to.line)
    ch += changeEnd(change).ch - change.to.ch;
  return Pos(line, ch);
}
function computeSelAfterChange(doc, change) {
  let out = [];
  for (let i = 0; i < doc.sel.ranges.length; i++) {
    let range2 = doc.sel.ranges[i];
    out.push(new Range(adjustForChange(range2.anchor, change), adjustForChange(range2.head, change)));
  }
  return normalizeSelection(doc.cm, out, doc.sel.primIndex);
}
function offsetPos(pos, old, nw) {
  if (pos.line == old.line)
    return Pos(nw.line, pos.ch - old.ch + nw.ch);
  else
    return Pos(nw.line + (pos.line - old.line), pos.ch);
}
function computeReplacedSel(doc, changes, hint) {
  let out = [];
  let oldPrev = Pos(doc.first, 0), newPrev = oldPrev;
  for (let i = 0; i < changes.length; i++) {
    let change = changes[i];
    let from = offsetPos(change.from, oldPrev, newPrev);
    let to = offsetPos(changeEnd(change), oldPrev, newPrev);
    oldPrev = change.to;
    newPrev = to;
    if (hint == "around") {
      let range2 = doc.sel.ranges[i], inv = cmp(range2.head, range2.anchor) < 0;
      out[i] = new Range(inv ? to : from, inv ? from : to);
    } else {
      out[i] = new Range(from, from);
    }
  }
  return new Selection(out, doc.sel.primIndex);
}

// node_modules/codemirror/src/display/mode_state.js
function loadMode(cm) {
  cm.doc.mode = getMode(cm.options, cm.doc.modeOption);
  resetModeState(cm);
}
function resetModeState(cm) {
  cm.doc.iter((line) => {
    if (line.stateAfter)
      line.stateAfter = null;
    if (line.styles)
      line.styles = null;
  });
  cm.doc.modeFrontier = cm.doc.highlightFrontier = cm.doc.first;
  startWorker(cm, 100);
  cm.state.modeGen++;
  if (cm.curOp)
    regChange(cm);
}

// node_modules/codemirror/src/model/document_data.js
function isWholeLineUpdate(doc, change) {
  return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" && (!doc.cm || doc.cm.options.wholeLineUpdateBefore);
}
function updateDoc(doc, change, markedSpans, estimateHeight2) {
  function spansFor(n) {
    return markedSpans ? markedSpans[n] : null;
  }
  function update(line, text2, spans) {
    updateLine(line, text2, spans, estimateHeight2);
    signalLater(line, "change", line, change);
  }
  function linesFor(start, end) {
    let result = [];
    for (let i = start; i < end; ++i)
      result.push(new Line(text[i], spansFor(i), estimateHeight2));
    return result;
  }
  let from = change.from, to = change.to, text = change.text;
  let firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line);
  let lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line;
  if (change.full) {
    doc.insert(0, linesFor(0, text.length));
    doc.remove(text.length, doc.size - text.length);
  } else if (isWholeLineUpdate(doc, change)) {
    let added = linesFor(0, text.length - 1);
    update(lastLine, lastLine.text, lastSpans);
    if (nlines)
      doc.remove(from.line, nlines);
    if (added.length)
      doc.insert(from.line, added);
  } else if (firstLine == lastLine) {
    if (text.length == 1) {
      update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans);
    } else {
      let added = linesFor(1, text.length - 1);
      added.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight2));
      update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
      doc.insert(from.line + 1, added);
    }
  } else if (text.length == 1) {
    update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0));
    doc.remove(from.line + 1, nlines);
  } else {
    update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
    update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans);
    let added = linesFor(1, text.length - 1);
    if (nlines > 1)
      doc.remove(from.line + 1, nlines - 1);
    doc.insert(from.line + 1, added);
  }
  signalLater(doc, "change", doc, change);
}
function linkedDocs(doc, f, sharedHistOnly) {
  function propagate(doc2, skip, sharedHist) {
    if (doc2.linked)
      for (let i = 0; i < doc2.linked.length; ++i) {
        let rel = doc2.linked[i];
        if (rel.doc == skip)
          continue;
        let shared = sharedHist && rel.sharedHist;
        if (sharedHistOnly && !shared)
          continue;
        f(rel.doc, shared);
        propagate(rel.doc, doc2, shared);
      }
  }
  propagate(doc, null, true);
}
function attachDoc(cm, doc) {
  if (doc.cm)
    throw new Error("This document is already in use.");
  cm.doc = doc;
  doc.cm = cm;
  estimateLineHeights(cm);
  loadMode(cm);
  setDirectionClass(cm);
  if (!cm.options.lineWrapping)
    findMaxLine(cm);
  cm.options.mode = doc.modeOption;
  regChange(cm);
}
function setDirectionClass(cm) {
  ;
  (cm.doc.direction == "rtl" ? addClass : rmClass)(cm.display.lineDiv, "CodeMirror-rtl");
}
function directionChanged(cm) {
  runInOp(cm, () => {
    setDirectionClass(cm);
    regChange(cm);
  });
}

// node_modules/codemirror/src/model/history.js
function History(prev) {
  this.done = [];
  this.undone = [];
  this.undoDepth = prev ? prev.undoDepth : Infinity;
  this.lastModTime = this.lastSelTime = 0;
  this.lastOp = this.lastSelOp = null;
  this.lastOrigin = this.lastSelOrigin = null;
  this.generation = this.maxGeneration = prev ? prev.maxGeneration : 1;
}
function historyChangeFromChange(doc, change) {
  let histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)};
  attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);
  linkedDocs(doc, (doc2) => attachLocalSpans(doc2, histChange, change.from.line, change.to.line + 1), true);
  return histChange;
}
function clearSelectionEvents(array) {
  while (array.length) {
    let last = lst(array);
    if (last.ranges)
      array.pop();
    else
      break;
  }
}
function lastChangeEvent(hist, force) {
  if (force) {
    clearSelectionEvents(hist.done);
    return lst(hist.done);
  } else if (hist.done.length && !lst(hist.done).ranges) {
    return lst(hist.done);
  } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) {
    hist.done.pop();
    return lst(hist.done);
  }
}
function addChangeToHistory(doc, change, selAfter, opId) {
  let hist = doc.history;
  hist.undone.length = 0;
  let time = +new Date(), cur;
  let last;
  if ((hist.lastOp == opId || hist.lastOrigin == change.origin && change.origin && (change.origin.charAt(0) == "+" && hist.lastModTime > time - (doc.cm ? doc.cm.options.historyEventDelay : 500) || change.origin.charAt(0) == "*")) && (cur = lastChangeEvent(hist, hist.lastOp == opId))) {
    last = lst(cur.changes);
    if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) {
      last.to = changeEnd(change);
    } else {
      cur.changes.push(historyChangeFromChange(doc, change));
    }
  } else {
    let before = lst(hist.done);
    if (!before || !before.ranges)
      pushSelectionToHistory(doc.sel, hist.done);
    cur = {
      changes: [historyChangeFromChange(doc, change)],
      generation: hist.generation
    };
    hist.done.push(cur);
    while (hist.done.length > hist.undoDepth) {
      hist.done.shift();
      if (!hist.done[0].ranges)
        hist.done.shift();
    }
  }
  hist.done.push(selAfter);
  hist.generation = ++hist.maxGeneration;
  hist.lastModTime = hist.lastSelTime = time;
  hist.lastOp = hist.lastSelOp = opId;
  hist.lastOrigin = hist.lastSelOrigin = change.origin;
  if (!last)
    signal(doc, "historyAdded");
}
function selectionEventCanBeMerged(doc, origin, prev, sel) {
  let ch = origin.charAt(0);
  return ch == "*" || ch == "+" && prev.ranges.length == sel.ranges.length && prev.somethingSelected() == sel.somethingSelected() && new Date() - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500);
}
function addSelectionToHistory(doc, sel, opId, options) {
  let hist = doc.history, origin = options && options.origin;
  if (opId == hist.lastSelOp || origin && hist.lastSelOrigin == origin && (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin || selectionEventCanBeMerged(doc, origin, lst(hist.done), sel)))
    hist.done[hist.done.length - 1] = sel;
  else
    pushSelectionToHistory(sel, hist.done);
  hist.lastSelTime = +new Date();
  hist.lastSelOrigin = origin;
  hist.lastSelOp = opId;
  if (options && options.clearRedo !== false)
    clearSelectionEvents(hist.undone);
}
function pushSelectionToHistory(sel, dest) {
  let top = lst(dest);
  if (!(top && top.ranges && top.equals(sel)))
    dest.push(sel);
}
function attachLocalSpans(doc, change, from, to) {
  let existing = change["spans_" + doc.id], n = 0;
  doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), (line) => {
    if (line.markedSpans)
      (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans;
    ++n;
  });
}
function removeClearedSpans(spans) {
  if (!spans)
    return null;
  let out;
  for (let i = 0; i < spans.length; ++i) {
    if (spans[i].marker.explicitlyCleared) {
      if (!out)
        out = spans.slice(0, i);
    } else if (out)
      out.push(spans[i]);
  }
  return !out ? spans : out.length ? out : null;
}
function getOldSpans(doc, change) {
  let found = change["spans_" + doc.id];
  if (!found)
    return null;
  let nw = [];
  for (let i = 0; i < change.text.length; ++i)
    nw.push(removeClearedSpans(found[i]));
  return nw;
}
function mergeOldSpans(doc, change) {
  let old = getOldSpans(doc, change);
  let stretched = stretchSpansOverChange(doc, change);
  if (!old)
    return stretched;
  if (!stretched)
    return old;
  for (let i = 0; i < old.length; ++i) {
    let oldCur = old[i], stretchCur = stretched[i];
    if (oldCur && stretchCur) {
      spans:
        for (let j = 0; j < stretchCur.length; ++j) {
          let span = stretchCur[j];
          for (let k = 0; k < oldCur.length; ++k)
            if (oldCur[k].marker == span.marker)
              continue spans;
          oldCur.push(span);
        }
    } else if (stretchCur) {
      old[i] = stretchCur;
    }
  }
  return old;
}
function copyHistoryArray(events, newGroup, instantiateSel) {
  let copy = [];
  for (let i = 0; i < events.length; ++i) {
    let event = events[i];
    if (event.ranges) {
      copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event);
      continue;
    }
    let changes = event.changes, newChanges = [];
    copy.push({changes: newChanges});
    for (let j = 0; j < changes.length; ++j) {
      let change = changes[j], m;
      newChanges.push({from: change.from, to: change.to, text: change.text});
      if (newGroup) {
        for (var prop in change)
          if (m = prop.match(/^spans_(\d+)$/)) {
            if (indexOf(newGroup, Number(m[1])) > -1) {
              lst(newChanges)[prop] = change[prop];
              delete change[prop];
            }
          }
      }
    }
  }
  return copy;
}

// node_modules/codemirror/src/model/selection_updates.js
function extendRange(range2, head, other, extend) {
  if (extend) {
    let anchor = range2.anchor;
    if (other) {
      let posBefore = cmp(head, anchor) < 0;
      if (posBefore != cmp(other, anchor) < 0) {
        anchor = head;
        head = other;
      } else if (posBefore != cmp(head, other) < 0) {
        head = other;
      }
    }
    return new Range(anchor, head);
  } else {
    return new Range(other || head, head);
  }
}
function extendSelection(doc, head, other, options, extend) {
  if (extend == null)
    extend = doc.cm && (doc.cm.display.shift || doc.extend);
  setSelection(doc, new Selection([extendRange(doc.sel.primary(), head, other, extend)], 0), options);
}
function extendSelections(doc, heads, options) {
  let out = [];
  let extend = doc.cm && (doc.cm.display.shift || doc.extend);
  for (let i = 0; i < doc.sel.ranges.length; i++)
    out[i] = extendRange(doc.sel.ranges[i], heads[i], null, extend);
  let newSel = normalizeSelection(doc.cm, out, doc.sel.primIndex);
  setSelection(doc, newSel, options);
}
function replaceOneSelection(doc, i, range2, options) {
  let ranges = doc.sel.ranges.slice(0);
  ranges[i] = range2;
  setSelection(doc, normalizeSelection(doc.cm, ranges, doc.sel.primIndex), options);
}
function setSimpleSelection(doc, anchor, head, options) {
  setSelection(doc, simpleSelection(anchor, head), options);
}
function filterSelectionChange(doc, sel, options) {
  let obj = {
    ranges: sel.ranges,
    update: function(ranges) {
      this.ranges = [];
      for (let i = 0; i < ranges.length; i++)
        this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor), clipPos(doc, ranges[i].head));
    },
    origin: options && options.origin
  };
  signal(doc, "beforeSelectionChange", doc, obj);
  if (doc.cm)
    signal(doc.cm, "beforeSelectionChange", doc.cm, obj);
  if (obj.ranges != sel.ranges)
    return normalizeSelection(doc.cm, obj.ranges, obj.ranges.length - 1);
  else
    return sel;
}
function setSelectionReplaceHistory(doc, sel, options) {
  let done = doc.history.done, last = lst(done);
  if (last && last.ranges) {
    done[done.length - 1] = sel;
    setSelectionNoUndo(doc, sel, options);
  } else {
    setSelection(doc, sel, options);
  }
}
function setSelection(doc, sel, options) {
  setSelectionNoUndo(doc, sel, options);
  addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options);
}
function setSelectionNoUndo(doc, sel, options) {
  if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange"))
    sel = filterSelectionChange(doc, sel, options);
  let bias = options && options.bias || (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1);
  setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true));
  if (!(options && options.scroll === false) && doc.cm && doc.cm.getOption("readOnly") != "nocursor")
    ensureCursorVisible(doc.cm);
}
function setSelectionInner(doc, sel) {
  if (sel.equals(doc.sel))
    return;
  doc.sel = sel;
  if (doc.cm) {
    doc.cm.curOp.updateInput = 1;
    doc.cm.curOp.selectionChanged = true;
    signalCursorActivity(doc.cm);
  }
  signalLater(doc, "cursorActivity", doc);
}
function reCheckSelection(doc) {
  setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false));
}
function skipAtomicInSelection(doc, sel, bias, mayClear) {
  let out;
  for (let i = 0; i < sel.ranges.length; i++) {
    let range2 = sel.ranges[i];
    let old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i];
    let newAnchor = skipAtomic(doc, range2.anchor, old && old.anchor, bias, mayClear);
    let newHead = skipAtomic(doc, range2.head, old && old.head, bias, mayClear);
    if (out || newAnchor != range2.anchor || newHead != range2.head) {
      if (!out)
        out = sel.ranges.slice(0, i);
      out[i] = new Range(newAnchor, newHead);
    }
  }
  return out ? normalizeSelection(doc.cm, out, sel.primIndex) : sel;
}
function skipAtomicInner(doc, pos, oldPos, dir, mayClear) {
  let line = getLine(doc, pos.line);
  if (line.markedSpans)
    for (let i = 0; i < line.markedSpans.length; ++i) {
      let sp = line.markedSpans[i], m = sp.marker;
      let preventCursorLeft = "selectLeft" in m ? !m.selectLeft : m.inclusiveLeft;
      let preventCursorRight = "selectRight" in m ? !m.selectRight : m.inclusiveRight;
      if ((sp.from == null || (preventCursorLeft ? sp.from <= pos.ch : sp.from < pos.ch)) && (sp.to == null || (preventCursorRight ? sp.to >= pos.ch : sp.to > pos.ch))) {
        if (mayClear) {
          signal(m, "beforeCursorEnter");
          if (m.explicitlyCleared) {
            if (!line.markedSpans)
              break;
            else {
              --i;
              continue;
            }
          }
        }
        if (!m.atomic)
          continue;
        if (oldPos) {
          let near = m.find(dir < 0 ? 1 : -1), diff;
          if (dir < 0 ? preventCursorRight : preventCursorLeft)
            near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null);
          if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0))
            return skipAtomicInner(doc, near, pos, dir, mayClear);
        }
        let far = m.find(dir < 0 ? -1 : 1);
        if (dir < 0 ? preventCursorLeft : preventCursorRight)
          far = movePos(doc, far, dir, far.line == pos.line ? line : null);
        return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null;
      }
    }
  return pos;
}
function skipAtomic(doc, pos, oldPos, bias, mayClear) {
  let dir = bias || 1;
  let found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) || !mayClear && skipAtomicInner(doc, pos, oldPos, dir, true) || skipAtomicInner(doc, pos, oldPos, -dir, mayClear) || !mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true);
  if (!found) {
    doc.cantEdit = true;
    return Pos(doc.first, 0);
  }
  return found;
}
function movePos(doc, pos, dir, line) {
  if (dir < 0 && pos.ch == 0) {
    if (pos.line > doc.first)
      return clipPos(doc, Pos(pos.line - 1));
    else
      return null;
  } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) {
    if (pos.line < doc.first + doc.size - 1)
      return Pos(pos.line + 1, 0);
    else
      return null;
  } else {
    return new Pos(pos.line, pos.ch + dir);
  }
}
function selectAll(cm) {
  cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);
}

// node_modules/codemirror/src/model/changes.js
function filterChange(doc, change, update) {
  let obj = {
    canceled: false,
    from: change.from,
    to: change.to,
    text: change.text,
    origin: change.origin,
    cancel: () => obj.canceled = true
  };
  if (update)
    obj.update = (from, to, text, origin) => {
      if (from)
        obj.from = clipPos(doc, from);
      if (to)
        obj.to = clipPos(doc, to);
      if (text)
        obj.text = text;
      if (origin !== void 0)
        obj.origin = origin;
    };
  signal(doc, "beforeChange", doc, obj);
  if (doc.cm)
    signal(doc.cm, "beforeChange", doc.cm, obj);
  if (obj.canceled) {
    if (doc.cm)
      doc.cm.curOp.updateInput = 2;
    return null;
  }
  return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin};
}
function makeChange(doc, change, ignoreReadOnly) {
  if (doc.cm) {
    if (!doc.cm.curOp)
      return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly);
    if (doc.cm.state.suppressEdits)
      return;
  }
  if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) {
    change = filterChange(doc, change, true);
    if (!change)
      return;
  }
  let split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to);
  if (split) {
    for (let i = split.length - 1; i >= 0; --i)
      makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text, origin: change.origin});
  } else {
    makeChangeInner(doc, change);
  }
}
function makeChangeInner(doc, change) {
  if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0)
    return;
  let selAfter = computeSelAfterChange(doc, change);
  addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN);
  makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change));
  let rebased = [];
  linkedDocs(doc, (doc2, sharedHist) => {
    if (!sharedHist && indexOf(rebased, doc2.history) == -1) {
      rebaseHist(doc2.history, change);
      rebased.push(doc2.history);
    }
    makeChangeSingleDoc(doc2, change, null, stretchSpansOverChange(doc2, change));
  });
}
function makeChangeFromHistory(doc, type, allowSelectionOnly) {
  let suppress = doc.cm && doc.cm.state.suppressEdits;
  if (suppress && !allowSelectionOnly)
    return;
  let hist = doc.history, event, selAfter = doc.sel;
  let source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done;
  let i = 0;
  for (; i < source.length; i++) {
    event = source[i];
    if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges)
      break;
  }
  if (i == source.length)
    return;
  hist.lastOrigin = hist.lastSelOrigin = null;
  for (; ; ) {
    event = source.pop();
    if (event.ranges) {
      pushSelectionToHistory(event, dest);
      if (allowSelectionOnly && !event.equals(doc.sel)) {
        setSelection(doc, event, {clearRedo: false});
        return;
      }
      selAfter = event;
    } else if (suppress) {
      source.push(event);
      return;
    } else
      break;
  }
  let antiChanges = [];
  pushSelectionToHistory(selAfter, dest);
  dest.push({changes: antiChanges, generation: hist.generation});
  hist.generation = event.generation || ++hist.maxGeneration;
  let filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange");
  for (let i2 = event.changes.length - 1; i2 >= 0; --i2) {
    let change = event.changes[i2];
    change.origin = type;
    if (filter && !filterChange(doc, change, false)) {
      source.length = 0;
      return;
    }
    antiChanges.push(historyChangeFromChange(doc, change));
    let after = i2 ? computeSelAfterChange(doc, change) : lst(source);
    makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change));
    if (!i2 && doc.cm)
      doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)});
    let rebased = [];
    linkedDocs(doc, (doc2, sharedHist) => {
      if (!sharedHist && indexOf(rebased, doc2.history) == -1) {
        rebaseHist(doc2.history, change);
        rebased.push(doc2.history);
      }
      makeChangeSingleDoc(doc2, change, null, mergeOldSpans(doc2, change));
    });
  }
}
function shiftDoc(doc, distance) {
  if (distance == 0)
    return;
  doc.first += distance;
  doc.sel = new Selection(map(doc.sel.ranges, (range2) => new Range(Pos(range2.anchor.line + distance, range2.anchor.ch), Pos(range2.head.line + distance, range2.head.ch))), doc.sel.primIndex);
  if (doc.cm) {
    regChange(doc.cm, doc.first, doc.first - distance, distance);
    for (let d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++)
      regLineChange(doc.cm, l, "gutter");
  }
}
function makeChangeSingleDoc(doc, change, selAfter, spans) {
  if (doc.cm && !doc.cm.curOp)
    return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans);
  if (change.to.line < doc.first) {
    shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line));
    return;
  }
  if (change.from.line > doc.lastLine())
    return;
  if (change.from.line < doc.first) {
    let shift = change.text.length - 1 - (doc.first - change.from.line);
    shiftDoc(doc, shift);
    change = {
      from: Pos(doc.first, 0),
      to: Pos(change.to.line + shift, change.to.ch),
      text: [lst(change.text)],
      origin: change.origin
    };
  }
  let last = doc.lastLine();
  if (change.to.line > last) {
    change = {
      from: change.from,
      to: Pos(last, getLine(doc, last).text.length),
      text: [change.text[0]],
      origin: change.origin
    };
  }
  change.removed = getBetween(doc, change.from, change.to);
  if (!selAfter)
    selAfter = computeSelAfterChange(doc, change);
  if (doc.cm)
    makeChangeSingleDocInEditor(doc.cm, change, spans);
  else
    updateDoc(doc, change, spans);
  setSelectionNoUndo(doc, selAfter, sel_dontScroll);
  if (doc.cantEdit && skipAtomic(doc, Pos(doc.firstLine(), 0)))
    doc.cantEdit = false;
}
function makeChangeSingleDocInEditor(cm, change, spans) {
  let doc = cm.doc, display = cm.display, from = change.from, to = change.to;
  let recomputeMaxLength = false, checkWidthStart = from.line;
  if (!cm.options.lineWrapping) {
    checkWidthStart = lineNo(visualLine(getLine(doc, from.line)));
    doc.iter(checkWidthStart, to.line + 1, (line) => {
      if (line == display.maxLine) {
        recomputeMaxLength = true;
        return true;
      }
    });
  }
  if (doc.sel.contains(change.from, change.to) > -1)
    signalCursorActivity(cm);
  updateDoc(doc, change, spans, estimateHeight(cm));
  if (!cm.options.lineWrapping) {
    doc.iter(checkWidthStart, from.line + change.text.length, (line) => {
      let len = lineLength(line);
      if (len > display.maxLineLength) {
        display.maxLine = line;
        display.maxLineLength = len;
        display.maxLineChanged = true;
        recomputeMaxLength = false;
      }
    });
    if (recomputeMaxLength)
      cm.curOp.updateMaxLine = true;
  }
  retreatFrontier(doc, from.line);
  startWorker(cm, 400);
  let lendiff = change.text.length - (to.line - from.line) - 1;
  if (change.full)
    regChange(cm);
  else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))
    regLineChange(cm, from.line, "text");
  else
    regChange(cm, from.line, to.line + 1, lendiff);
  let changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change");
  if (changeHandler || changesHandler) {
    let obj = {
      from,
      to,
      text: change.text,
      removed: change.removed,
      origin: change.origin
    };
    if (changeHandler)
      signalLater(cm, "change", cm, obj);
    if (changesHandler)
      (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj);
  }
  cm.display.selForContextMenu = null;
}
function replaceRange(doc, code, from, to, origin) {
  if (!to)
    to = from;
  if (cmp(to, from) < 0)
    [from, to] = [to, from];
  if (typeof code == "string")
    code = doc.splitLines(code);
  makeChange(doc, {from, to, text: code, origin});
}
function rebaseHistSelSingle(pos, from, to, diff) {
  if (to < pos.line) {
    pos.line += diff;
  } else if (from < pos.line) {
    pos.line = from;
    pos.ch = 0;
  }
}
function rebaseHistArray(array, from, to, diff) {
  for (let i = 0; i < array.length; ++i) {
    let sub = array[i], ok = true;
    if (sub.ranges) {
      if (!sub.copied) {
        sub = array[i] = sub.deepCopy();
        sub.copied = true;
      }
      for (let j = 0; j < sub.ranges.length; j++) {
        rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff);
        rebaseHistSelSingle(sub.ranges[j].head, from, to, diff);
      }
      continue;
    }
    for (let j = 0; j < sub.changes.length; ++j) {
      let cur = sub.changes[j];
      if (to < cur.from.line) {
        cur.from = Pos(cur.from.line + diff, cur.from.ch);
        cur.to = Pos(cur.to.line + diff, cur.to.ch);
      } else if (from <= cur.to.line) {
        ok = false;
        break;
      }
    }
    if (!ok) {
      array.splice(0, i + 1);
      i = 0;
    }
  }
}
function rebaseHist(hist, change) {
  let from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1;
  rebaseHistArray(hist.done, from, to, diff);
  rebaseHistArray(hist.undone, from, to, diff);
}
function changeLine(doc, handle, changeType, op) {
  let no = handle, line = handle;
  if (typeof handle == "number")
    line = getLine(doc, clipLine(doc, handle));
  else
    no = lineNo(handle);
  if (no == null)
    return null;
  if (op(line, no) && doc.cm)
    regLineChange(doc.cm, no, changeType);
  return line;
}

// node_modules/codemirror/src/model/chunk.js
function LeafChunk(lines) {
  this.lines = lines;
  this.parent = null;
  let height = 0;
  for (let i = 0; i < lines.length; ++i) {
    lines[i].parent = this;
    height += lines[i].height;
  }
  this.height = height;
}
LeafChunk.prototype = {
  chunkSize() {
    return this.lines.length;
  },
  removeInner(at, n) {
    for (let i = at, e = at + n; i < e; ++i) {
      let line = this.lines[i];
      this.height -= line.height;
      cleanUpLine(line);
      signalLater(line, "delete");
    }
    this.lines.splice(at, n);
  },
  collapse(lines) {
    lines.push.apply(lines, this.lines);
  },
  insertInner(at, lines, height) {
    this.height += height;
    this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));
    for (let i = 0; i < lines.length; ++i)
      lines[i].parent = this;
  },
  iterN(at, n, op) {
    for (let e = at + n; at < e; ++at)
      if (op(this.lines[at]))
        return true;
  }
};
function BranchChunk(children) {
  this.children = children;
  let size = 0, height = 0;
  for (let i = 0; i < children.length; ++i) {
    let ch = children[i];
    size += ch.chunkSize();
    height += ch.height;
    ch.parent = this;
  }
  this.size = size;
  this.height = height;
  this.parent = null;
}
BranchChunk.prototype = {
  chunkSize() {
    return this.size;
  },
  removeInner(at, n) {
    this.size -= n;
    for (let i = 0; i < this.children.length; ++i) {
      let child = this.children[i], sz = child.chunkSize();
      if (at < sz) {
        let rm = Math.min(n, sz - at), oldHeight = child.height;
        child.removeInner(at, rm);
        this.height -= oldHeight - child.height;
        if (sz == rm) {
          this.children.splice(i--, 1);
          child.parent = null;
        }
        if ((n -= rm) == 0)
          break;
        at = 0;
      } else
        at -= sz;
    }
    if (this.size - n < 25 && (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) {
      let lines = [];
      this.collapse(lines);
      this.children = [new LeafChunk(lines)];
      this.children[0].parent = this;
    }
  },
  collapse(lines) {
    for (let i = 0; i < this.children.length; ++i)
      this.children[i].collapse(lines);
  },
  insertInner(at, lines, height) {
    this.size += lines.length;
    this.height += height;
    for (let i = 0; i < this.children.length; ++i) {
      let child = this.children[i], sz = child.chunkSize();
      if (at <= sz) {
        child.insertInner(at, lines, height);
        if (child.lines && child.lines.length > 50) {
          let remaining = child.lines.length % 25 + 25;
          for (let pos = remaining; pos < child.lines.length; ) {
            let leaf = new LeafChunk(child.lines.slice(pos, pos += 25));
            child.height -= leaf.height;
            this.children.splice(++i, 0, leaf);
            leaf.parent = this;
          }
          child.lines = child.lines.slice(0, remaining);
          this.maybeSpill();
        }
        break;
      }
      at -= sz;
    }
  },
  maybeSpill() {
    if (this.children.length <= 10)
      return;
    let me = this;
    do {
      let spilled = me.children.splice(me.children.length - 5, 5);
      let sibling = new BranchChunk(spilled);
      if (!me.parent) {
        let copy = new BranchChunk(me.children);
        copy.parent = me;
        me.children = [copy, sibling];
        me = copy;
      } else {
        me.size -= sibling.size;
        me.height -= sibling.height;
        let myIndex = indexOf(me.parent.children, me);
        me.parent.children.splice(myIndex + 1, 0, sibling);
      }
      sibling.parent = me.parent;
    } while (me.children.length > 10);
    me.parent.maybeSpill();
  },
  iterN(at, n, op) {
    for (let i = 0; i < this.children.length; ++i) {
      let child = this.children[i], sz = child.chunkSize();
      if (at < sz) {
        let used = Math.min(n, sz - at);
        if (child.iterN(at, used, op))
          return true;
        if ((n -= used) == 0)
          break;
        at = 0;
      } else
        at -= sz;
    }
  }
};

// node_modules/codemirror/src/model/line_widget.js
var LineWidget = class {
  constructor(doc, node, options) {
    if (options) {
      for (let opt in options)
        if (options.hasOwnProperty(opt))
          this[opt] = options[opt];
    }
    this.doc = doc;
    this.node = node;
  }
  clear() {
    let cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line);
    if (no == null || !ws)
      return;
    for (let i = 0; i < ws.length; ++i)
      if (ws[i] == this)
        ws.splice(i--, 1);
    if (!ws.length)
      line.widgets = null;
    let height = widgetHeight(this);
    updateLineHeight(line, Math.max(0, line.height - height));
    if (cm) {
      runInOp(cm, () => {
        adjustScrollWhenAboveVisible(cm, line, -height);
        regLineChange(cm, no, "widget");
      });
      signalLater(cm, "lineWidgetCleared", cm, this, no);
    }
  }
  changed() {
    let oldH = this.height, cm = this.doc.cm, line = this.line;
    this.height = null;
    let diff = widgetHeight(this) - oldH;
    if (!diff)
      return;
    if (!lineIsHidden(this.doc, line))
      updateLineHeight(line, line.height + diff);
    if (cm) {
      runInOp(cm, () => {
        cm.curOp.forceUpdate = true;
        adjustScrollWhenAboveVisible(cm, line, diff);
        signalLater(cm, "lineWidgetChanged", cm, this, lineNo(line));
      });
    }
  }
};
eventMixin(LineWidget);
function adjustScrollWhenAboveVisible(cm, line, diff) {
  if (heightAtLine(line) < (cm.curOp && cm.curOp.scrollTop || cm.doc.scrollTop))
    addToScrollTop(cm, diff);
}
function addLineWidget(doc, handle, node, options) {
  let widget = new LineWidget(doc, node, options);
  let cm = doc.cm;
  if (cm && widget.noHScroll)
    cm.display.alignWidgets = true;
  changeLine(doc, handle, "widget", (line) => {
    let widgets = line.widgets || (line.widgets = []);
    if (widget.insertAt == null)
      widgets.push(widget);
    else
      widgets.splice(Math.min(widgets.length, Math.max(0, widget.insertAt)), 0, widget);
    widget.line = line;
    if (cm && !lineIsHidden(doc, line)) {
      let aboveVisible = heightAtLine(line) < doc.scrollTop;
      updateLineHeight(line, line.height + widgetHeight(widget));
      if (aboveVisible)
        addToScrollTop(cm, widget.height);
      cm.curOp.forceUpdate = true;
    }
    return true;
  });
  if (cm)
    signalLater(cm, "lineWidgetAdded", cm, widget, typeof handle == "number" ? handle : lineNo(handle));
  return widget;
}

// node_modules/codemirror/src/model/mark_text.js
var nextMarkerId = 0;
var TextMarker = class {
  constructor(doc, type) {
    this.lines = [];
    this.type = type;
    this.doc = doc;
    this.id = ++nextMarkerId;
  }
  clear() {
    if (this.explicitlyCleared)
      return;
    let cm = this.doc.cm, withOp = cm && !cm.curOp;
    if (withOp)
      startOperation(cm);
    if (hasHandler(this, "clear")) {
      let found = this.find();
      if (found)
        signalLater(this, "clear", found.from, found.to);
    }
    let min = null, max = null;
    for (let i = 0; i < this.lines.length; ++i) {
      let line = this.lines[i];
      let span = getMarkedSpanFor(line.markedSpans, this);
      if (cm && !this.collapsed)
        regLineChange(cm, lineNo(line), "text");
      else if (cm) {
        if (span.to != null)
          max = lineNo(line);
        if (span.from != null)
          min = lineNo(line);
      }
      line.markedSpans = removeMarkedSpan(line.markedSpans, span);
      if (span.from == null && this.collapsed && !lineIsHidden(this.doc, line) && cm)
        updateLineHeight(line, textHeight(cm.display));
    }
    if (cm && this.collapsed && !cm.options.lineWrapping)
      for (let i = 0; i < this.lines.length; ++i) {
        let visual = visualLine(this.lines[i]), len = lineLength(visual);
        if (len > cm.display.maxLineLength) {
          cm.display.maxLine = visual;
          cm.display.maxLineLength = len;
          cm.display.maxLineChanged = true;
        }
      }
    if (min != null && cm && this.collapsed)
      regChange(cm, min, max + 1);
    this.lines.length = 0;
    this.explicitlyCleared = true;
    if (this.atomic && this.doc.cantEdit) {
      this.doc.cantEdit = false;
      if (cm)
        reCheckSelection(cm.doc);
    }
    if (cm)
      signalLater(cm, "markerCleared", cm, this, min, max);
    if (withOp)
      endOperation(cm);
    if (this.parent)
      this.parent.clear();
  }
  find(side, lineObj) {
    if (side == null && this.type == "bookmark")
      side = 1;
    let from, to;
    for (let i = 0; i < this.lines.length; ++i) {
      let line = this.lines[i];
      let span = getMarkedSpanFor(line.markedSpans, this);
      if (span.from != null) {
        from = Pos(lineObj ? line : lineNo(line), span.from);
        if (side == -1)
          return from;
      }
      if (span.to != null) {
        to = Pos(lineObj ? line : lineNo(line), span.to);
        if (side == 1)
          return to;
      }
    }
    return from && {from, to};
  }
  changed() {
    let pos = this.find(-1, true), widget = this, cm = this.doc.cm;
    if (!pos || !cm)
      return;
    runInOp(cm, () => {
      let line = pos.line, lineN = lineNo(pos.line);
      let view = findViewForLine(cm, lineN);
      if (view) {
        clearLineMeasurementCacheFor(view);
        cm.curOp.selectionChanged = cm.curOp.forceUpdate = true;
      }
      cm.curOp.updateMaxLine = true;
      if (!lineIsHidden(widget.doc, line) && widget.height != null) {
        let oldHeight = widget.height;
        widget.height = null;
        let dHeight = widgetHeight(widget) - oldHeight;
        if (dHeight)
          updateLineHeight(line, line.height + dHeight);
      }
      signalLater(cm, "markerChanged", cm, this);
    });
  }
  attachLine(line) {
    if (!this.lines.length && this.doc.cm) {
      let op = this.doc.cm.curOp;
      if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1)
        (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this);
    }
    this.lines.push(line);
  }
  detachLine(line) {
    this.lines.splice(indexOf(this.lines, line), 1);
    if (!this.lines.length && this.doc.cm) {
      let op = this.doc.cm.curOp;
      (op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this);
    }
  }
};
eventMixin(TextMarker);
function markText(doc, from, to, options, type) {
  if (options && options.shared)
    return markTextShared(doc, from, to, options, type);
  if (doc.cm && !doc.cm.curOp)
    return operation(doc.cm, markText)(doc, from, to, options, type);
  let marker = new TextMarker(doc, type), diff = cmp(from, to);
  if (options)
    copyObj(options, marker, false);
  if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false)
    return marker;
  if (marker.replacedWith) {
    marker.collapsed = true;
    marker.widgetNode = eltP("span", [marker.replacedWith], "CodeMirror-widget");
    if (!options.handleMouseEvents)
      marker.widgetNode.setAttribute("cm-ignore-events", "true");
    if (options.insertLeft)
      marker.widgetNode.insertLeft = true;
  }
  if (marker.collapsed) {
    if (conflictingCollapsedRange(doc, from.line, from, to, marker) || from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker))
      throw new Error("Inserting collapsed marker partially overlapping an existing one");
    seeCollapsedSpans();
  }
  if (marker.addToHistory)
    addChangeToHistory(doc, {from, to, origin: "markText"}, doc.sel, NaN);
  let curLine = from.line, cm = doc.cm, updateMaxLine;
  doc.iter(curLine, to.line + 1, (line) => {
    if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine)
      updateMaxLine = true;
    if (marker.collapsed && curLine != from.line)
      updateLineHeight(line, 0);
    addMarkedSpan(line, new MarkedSpan(marker, curLine == from.line ? from.ch : null, curLine == to.line ? to.ch : null));
    ++curLine;
  });
  if (marker.collapsed)
    doc.iter(from.line, to.line + 1, (line) => {
      if (lineIsHidden(doc, line))
        updateLineHeight(line, 0);
    });
  if (marker.clearOnEnter)
    on(marker, "beforeCursorEnter", () => marker.clear());
  if (marker.readOnly) {
    seeReadOnlySpans();
    if (doc.history.done.length || doc.history.undone.length)
      doc.clearHistory();
  }
  if (marker.collapsed) {
    marker.id = ++nextMarkerId;
    marker.atomic = true;
  }
  if (cm) {
    if (updateMaxLine)
      cm.curOp.updateMaxLine = true;
    if (marker.collapsed)
      regChange(cm, from.line, to.line + 1);
    else if (marker.className || marker.startStyle || marker.endStyle || marker.css || marker.attributes || marker.title)
      for (let i = from.line; i <= to.line; i++)
        regLineChange(cm, i, "text");
    if (marker.atomic)
      reCheckSelection(cm.doc);
    signalLater(cm, "markerAdded", cm, marker);
  }
  return marker;
}
var SharedTextMarker = class {
  constructor(markers, primary) {
    this.markers = markers;
    this.primary = primary;
    for (let i = 0; i < markers.length; ++i)
      markers[i].parent = this;
  }
  clear() {
    if (this.explicitlyCleared)
      return;
    this.explicitlyCleared = true;
    for (let i = 0; i < this.markers.length; ++i)
      this.markers[i].clear();
    signalLater(this, "clear");
  }
  find(side, lineObj) {
    return this.primary.find(side, lineObj);
  }
};
eventMixin(SharedTextMarker);
function markTextShared(doc, from, to, options, type) {
  options = copyObj(options);
  options.shared = false;
  let markers = [markText(doc, from, to, options, type)], primary = markers[0];
  let widget = options.widgetNode;
  linkedDocs(doc, (doc2) => {
    if (widget)
      options.widgetNode = widget.cloneNode(true);
    markers.push(markText(doc2, clipPos(doc2, from), clipPos(doc2, to), options, type));
    for (let i = 0; i < doc2.linked.length; ++i)
      if (doc2.linked[i].isParent)
        return;
    primary = lst(markers);
  });
  return new SharedTextMarker(markers, primary);
}
function findSharedMarkers(doc) {
  return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), (m) => m.parent);
}
function copySharedMarkers(doc, markers) {
  for (let i = 0; i < markers.length; i++) {
    let marker = markers[i], pos = marker.find();
    let mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to);
    if (cmp(mFrom, mTo)) {
      let subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type);
      marker.markers.push(subMark);
      subMark.parent = marker;
    }
  }
}
function detachSharedMarkers(markers) {
  for (let i = 0; i < markers.length; i++) {
    let marker = markers[i], linked = [marker.primary.doc];
    linkedDocs(marker.primary.doc, (d) => linked.push(d));
    for (let j = 0; j < marker.markers.length; j++) {
      let subMarker = marker.markers[j];
      if (indexOf(linked, subMarker.doc) == -1) {
        subMarker.parent = null;
        marker.markers.splice(j--, 1);
      }
    }
  }
}

// node_modules/codemirror/src/model/Doc.js
var nextDocId = 0;
var Doc = function(text, mode, firstLine, lineSep, direction) {
  if (!(this instanceof Doc))
    return new Doc(text, mode, firstLine, lineSep, direction);
  if (firstLine == null)
    firstLine = 0;
  BranchChunk.call(this, [new LeafChunk([new Line("", null)])]);
  this.first = firstLine;
  this.scrollTop = this.scrollLeft = 0;
  this.cantEdit = false;
  this.cleanGeneration = 1;
  this.modeFrontier = this.highlightFrontier = firstLine;
  let start = Pos(firstLine, 0);
  this.sel = simpleSelection(start);
  this.history = new History(null);
  this.id = ++nextDocId;
  this.modeOption = mode;
  this.lineSep = lineSep;
  this.direction = direction == "rtl" ? "rtl" : "ltr";
  this.extend = false;
  if (typeof text == "string")
    text = this.splitLines(text);
  updateDoc(this, {from: start, to: start, text});
  setSelection(this, simpleSelection(start), sel_dontScroll);
};
Doc.prototype = createObj(BranchChunk.prototype, {
  constructor: Doc,
  iter: function(from, to, op) {
    if (op)
      this.iterN(from - this.first, to - from, op);
    else
      this.iterN(this.first, this.first + this.size, from);
  },
  insert: function(at, lines) {
    let height = 0;
    for (let i = 0; i < lines.length; ++i)
      height += lines[i].height;
    this.insertInner(at - this.first, lines, height);
  },
  remove: function(at, n) {
    this.removeInner(at - this.first, n);
  },
  getValue: function(lineSep) {
    let lines = getLines(this, this.first, this.first + this.size);
    if (lineSep === false)
      return lines;
    return lines.join(lineSep || this.lineSeparator());
  },
  setValue: docMethodOp(function(code) {
    let top = Pos(this.first, 0), last = this.first + this.size - 1;
    makeChange(this, {
      from: top,
      to: Pos(last, getLine(this, last).text.length),
      text: this.splitLines(code),
      origin: "setValue",
      full: true
    }, true);
    if (this.cm)
      scrollToCoords(this.cm, 0, 0);
    setSelection(this, simpleSelection(top), sel_dontScroll);
  }),
  replaceRange: function(code, from, to, origin) {
    from = clipPos(this, from);
    to = to ? clipPos(this, to) : from;
    replaceRange(this, code, from, to, origin);
  },
  getRange: function(from, to, lineSep) {
    let lines = getBetween(this, clipPos(this, from), clipPos(this, to));
    if (lineSep === false)
      return lines;
    return lines.join(lineSep || this.lineSeparator());
  },
  getLine: function(line) {
    let l = this.getLineHandle(line);
    return l && l.text;
  },
  getLineHandle: function(line) {
    if (isLine(this, line))
      return getLine(this, line);
  },
  getLineNumber: function(line) {
    return lineNo(line);
  },
  getLineHandleVisualStart: function(line) {
    if (typeof line == "number")
      line = getLine(this, line);
    return visualLine(line);
  },
  lineCount: function() {
    return this.size;
  },
  firstLine: function() {
    return this.first;
  },
  lastLine: function() {
    return this.first + this.size - 1;
  },
  clipPos: function(pos) {
    return clipPos(this, pos);
  },
  getCursor: function(start) {
    let range2 = this.sel.primary(), pos;
    if (start == null || start == "head")
      pos = range2.head;
    else if (start == "anchor")
      pos = range2.anchor;
    else if (start == "end" || start == "to" || start === false)
      pos = range2.to();
    else
      pos = range2.from();
    return pos;
  },
  listSelections: function() {
    return this.sel.ranges;
  },
  somethingSelected: function() {
    return this.sel.somethingSelected();
  },
  setCursor: docMethodOp(function(line, ch, options) {
    setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options);
  }),
  setSelection: docMethodOp(function(anchor, head, options) {
    setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options);
  }),
  extendSelection: docMethodOp(function(head, other, options) {
    extendSelection(this, clipPos(this, head), other && clipPos(this, other), options);
  }),
  extendSelections: docMethodOp(function(heads, options) {
    extendSelections(this, clipPosArray(this, heads), options);
  }),
  extendSelectionsBy: docMethodOp(function(f, options) {
    let heads = map(this.sel.ranges, f);
    extendSelections(this, clipPosArray(this, heads), options);
  }),
  setSelections: docMethodOp(function(ranges, primary, options) {
    if (!ranges.length)
      return;
    let out = [];
    for (let i = 0; i < ranges.length; i++)
      out[i] = new Range(clipPos(this, ranges[i].anchor), clipPos(this, ranges[i].head || ranges[i].anchor));
    if (primary == null)
      primary = Math.min(ranges.length - 1, this.sel.primIndex);
    setSelection(this, normalizeSelection(this.cm, out, primary), options);
  }),
  addSelection: docMethodOp(function(anchor, head, options) {
    let ranges = this.sel.ranges.slice(0);
    ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor)));
    setSelection(this, normalizeSelection(this.cm, ranges, ranges.length - 1), options);
  }),
  getSelection: function(lineSep) {
    let ranges = this.sel.ranges, lines;
    for (let i = 0; i < ranges.length; i++) {
      let sel = getBetween(this, ranges[i].from(), ranges[i].to());
      lines = lines ? lines.concat(sel) : sel;
    }
    if (lineSep === false)
      return lines;
    else
      return lines.join(lineSep || this.lineSeparator());
  },
  getSelections: function(lineSep) {
    let parts = [], ranges = this.sel.ranges;
    for (let i = 0; i < ranges.length; i++) {
      let sel = getBetween(this, ranges[i].from(), ranges[i].to());
      if (lineSep !== false)
        sel = sel.join(lineSep || this.lineSeparator());
      parts[i] = sel;
    }
    return parts;
  },
  replaceSelection: function(code, collapse, origin) {
    let dup = [];
    for (let i = 0; i < this.sel.ranges.length; i++)
      dup[i] = code;
    this.replaceSelections(dup, collapse, origin || "+input");
  },
  replaceSelections: docMethodOp(function(code, collapse, origin) {
    let changes = [], sel = this.sel;
    for (let i = 0; i < sel.ranges.length; i++) {
      let range2 = sel.ranges[i];
      changes[i] = {from: range2.from(), to: range2.to(), text: this.splitLines(code[i]), origin};
    }
    let newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse);
    for (let i = changes.length - 1; i >= 0; i--)
      makeChange(this, changes[i]);
    if (newSel)
      setSelectionReplaceHistory(this, newSel);
    else if (this.cm)
      ensureCursorVisible(this.cm);
  }),
  undo: docMethodOp(function() {
    makeChangeFromHistory(this, "undo");
  }),
  redo: docMethodOp(function() {
    makeChangeFromHistory(this, "redo");
  }),
  undoSelection: docMethodOp(function() {
    makeChangeFromHistory(this, "undo", true);
  }),
  redoSelection: docMethodOp(function() {
    makeChangeFromHistory(this, "redo", true);
  }),
  setExtending: function(val) {
    this.extend = val;
  },
  getExtending: function() {
    return this.extend;
  },
  historySize: function() {
    let hist = this.history, done = 0, undone = 0;
    for (let i = 0; i < hist.done.length; i++)
      if (!hist.done[i].ranges)
        ++done;
    for (let i = 0; i < hist.undone.length; i++)
      if (!hist.undone[i].ranges)
        ++undone;
    return {undo: done, redo: undone};
  },
  clearHistory: function() {
    this.history = new History(this.history);
    linkedDocs(this, (doc) => doc.history = this.history, true);
  },
  markClean: function() {
    this.cleanGeneration = this.changeGeneration(true);
  },
  changeGeneration: function(forceSplit) {
    if (forceSplit)
      this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null;
    return this.history.generation;
  },
  isClean: function(gen) {
    return this.history.generation == (gen || this.cleanGeneration);
  },
  getHistory: function() {
    return {
      done: copyHistoryArray(this.history.done),
      undone: copyHistoryArray(this.history.undone)
    };
  },
  setHistory: function(histData) {
    let hist = this.history = new History(this.history);
    hist.done = copyHistoryArray(histData.done.slice(0), null, true);
    hist.undone = copyHistoryArray(histData.undone.slice(0), null, true);
  },
  setGutterMarker: docMethodOp(function(line, gutterID, value) {
    return changeLine(this, line, "gutter", (line2) => {
      let markers = line2.gutterMarkers || (line2.gutterMarkers = {});
      markers[gutterID] = value;
      if (!value && isEmpty(markers))
        line2.gutterMarkers = null;
      return true;
    });
  }),
  clearGutter: docMethodOp(function(gutterID) {
    this.iter((line) => {
      if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
        changeLine(this, line, "gutter", () => {
          line.gutterMarkers[gutterID] = null;
          if (isEmpty(line.gutterMarkers))
            line.gutterMarkers = null;
          return true;
        });
      }
    });
  }),
  lineInfo: function(line) {
    let n;
    if (typeof line == "number") {
      if (!isLine(this, line))
        return null;
      n = line;
      line = getLine(this, line);
      if (!line)
        return null;
    } else {
      n = lineNo(line);
      if (n == null)
        return null;
    }
    return {
      line: n,
      handle: line,
      text: line.text,
      gutterMarkers: line.gutterMarkers,
      textClass: line.textClass,
      bgClass: line.bgClass,
      wrapClass: line.wrapClass,
      widgets: line.widgets
    };
  },
  addLineClass: docMethodOp(function(handle, where, cls) {
    return changeLine(this, handle, where == "gutter" ? "gutter" : "class", (line) => {
      let prop = where == "text" ? "textClass" : where == "background" ? "bgClass" : where == "gutter" ? "gutterClass" : "wrapClass";
      if (!line[prop])
        line[prop] = cls;
      else if (classTest(cls).test(line[prop]))
        return false;
      else
        line[prop] += " " + cls;
      return true;
    });
  }),
  removeLineClass: docMethodOp(function(handle, where, cls) {
    return changeLine(this, handle, where == "gutter" ? "gutter" : "class", (line) => {
      let prop = where == "text" ? "textClass" : where == "background" ? "bgClass" : where == "gutter" ? "gutterClass" : "wrapClass";
      let cur = line[prop];
      if (!cur)
        return false;
      else if (cls == null)
        line[prop] = null;
      else {
        let found = cur.match(classTest(cls));
        if (!found)
          return false;
        let end = found.index + found[0].length;
        line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null;
      }
      return true;
    });
  }),
  addLineWidget: docMethodOp(function(handle, node, options) {
    return addLineWidget(this, handle, node, options);
  }),
  removeLineWidget: function(widget) {
    widget.clear();
  },
  markText: function(from, to, options) {
    return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range");
  },
  setBookmark: function(pos, options) {
    let realOpts = {
      replacedWith: options && (options.nodeType == null ? options.widget : options),
      insertLeft: options && options.insertLeft,
      clearWhenEmpty: false,
      shared: options && options.shared,
      handleMouseEvents: options && options.handleMouseEvents
    };
    pos = clipPos(this, pos);
    return markText(this, pos, pos, realOpts, "bookmark");
  },
  findMarksAt: function(pos) {
    pos = clipPos(this, pos);
    let markers = [], spans = getLine(this, pos.line).markedSpans;
    if (spans)
      for (let i = 0; i < spans.length; ++i) {
        let span = spans[i];
        if ((span.from == null || span.from <= pos.ch) && (span.to == null || span.to >= pos.ch))
          markers.push(span.marker.parent || span.marker);
      }
    return markers;
  },
  findMarks: function(from, to, filter) {
    from = clipPos(this, from);
    to = clipPos(this, to);
    let found = [], lineNo2 = from.line;
    this.iter(from.line, to.line + 1, (line) => {
      let spans = line.markedSpans;
      if (spans)
        for (let i = 0; i < spans.length; i++) {
          let span = spans[i];
          if (!(span.to != null && lineNo2 == from.line && from.ch >= span.to || span.from == null && lineNo2 != from.line || span.from != null && lineNo2 == to.line && span.from >= to.ch) && (!filter || filter(span.marker)))
            found.push(span.marker.parent || span.marker);
        }
      ++lineNo2;
    });
    return found;
  },
  getAllMarks: function() {
    let markers = [];
    this.iter((line) => {
      let sps = line.markedSpans;
      if (sps) {
        for (let i = 0; i < sps.length; ++i)
          if (sps[i].from != null)
            markers.push(sps[i].marker);
      }
    });
    return markers;
  },
  posFromIndex: function(off2) {
    let ch, lineNo2 = this.first, sepSize = this.lineSeparator().length;
    this.iter((line) => {
      let sz = line.text.length + sepSize;
      if (sz > off2) {
        ch = off2;
        return true;
      }
      off2 -= sz;
      ++lineNo2;
    });
    return clipPos(this, Pos(lineNo2, ch));
  },
  indexFromPos: function(coords) {
    coords = clipPos(this, coords);
    let index = coords.ch;
    if (coords.line < this.first || coords.ch < 0)
      return 0;
    let sepSize = this.lineSeparator().length;
    this.iter(this.first, coords.line, (line) => {
      index += line.text.length + sepSize;
    });
    return index;
  },
  copy: function(copyHistory) {
    let doc = new Doc(getLines(this, this.first, this.first + this.size), this.modeOption, this.first, this.lineSep, this.direction);
    doc.scrollTop = this.scrollTop;
    doc.scrollLeft = this.scrollLeft;
    doc.sel = this.sel;
    doc.extend = false;
    if (copyHistory) {
      doc.history.undoDepth = this.history.undoDepth;
      doc.setHistory(this.getHistory());
    }
    return doc;
  },
  linkedDoc: function(options) {
    if (!options)
      options = {};
    let from = this.first, to = this.first + this.size;
    if (options.from != null && options.from > from)
      from = options.from;
    if (options.to != null && options.to < to)
      to = options.to;
    let copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction);
    if (options.sharedHist)
      copy.history = this.history;
    (this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist});
    copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}];
    copySharedMarkers(copy, findSharedMarkers(this));
    return copy;
  },
  unlinkDoc: function(other) {
    if (other instanceof CodeMirror_default)
      other = other.doc;
    if (this.linked)
      for (let i = 0; i < this.linked.length; ++i) {
        let link = this.linked[i];
        if (link.doc != other)
          continue;
        this.linked.splice(i, 1);
        other.unlinkDoc(this);
        detachSharedMarkers(findSharedMarkers(this));
        break;
      }
    if (other.history == this.history) {
      let splitIds = [other.id];
      linkedDocs(other, (doc) => splitIds.push(doc.id), true);
      other.history = new History(null);
      other.history.done = copyHistoryArray(this.history.done, splitIds);
      other.history.undone = copyHistoryArray(this.history.undone, splitIds);
    }
  },
  iterLinkedDocs: function(f) {
    linkedDocs(this, f);
  },
  getMode: function() {
    return this.mode;
  },
  getEditor: function() {
    return this.cm;
  },
  splitLines: function(str) {
    if (this.lineSep)
      return str.split(this.lineSep);
    return splitLinesAuto(str);
  },
  lineSeparator: function() {
    return this.lineSep || "\n";
  },
  setDirection: docMethodOp(function(dir) {
    if (dir != "rtl")
      dir = "ltr";
    if (dir == this.direction)
      return;
    this.direction = dir;
    this.iter((line) => line.order = null);
    if (this.cm)
      directionChanged(this.cm);
  })
});
Doc.prototype.eachLine = Doc.prototype.iter;
var Doc_default = Doc;

// node_modules/codemirror/src/edit/drop_events.js
var lastDrop = 0;
function onDrop(e) {
  let cm = this;
  clearDragCursor(cm);
  if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e))
    return;
  e_preventDefault(e);
  if (ie)
    lastDrop = +new Date();
  let pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;
  if (!pos || cm.isReadOnly())
    return;
  if (files && files.length && window.FileReader && window.File) {
    let n = files.length, text = Array(n), read = 0;
    const markAsReadAndPasteIfAllFilesAreRead = () => {
      if (++read == n) {
        operation(cm, () => {
          pos = clipPos(cm.doc, pos);
          let change = {
            from: pos,
            to: pos,
            text: cm.doc.splitLines(text.filter((t) => t != null).join(cm.doc.lineSeparator())),
            origin: "paste"
          };
          makeChange(cm.doc, change);
          setSelectionReplaceHistory(cm.doc, simpleSelection(clipPos(cm.doc, pos), clipPos(cm.doc, changeEnd(change))));
        })();
      }
    };
    const readTextFromFile = (file, i) => {
      if (cm.options.allowDropFileTypes && indexOf(cm.options.allowDropFileTypes, file.type) == -1) {
        markAsReadAndPasteIfAllFilesAreRead();
        return;
      }
      let reader = new FileReader();
      reader.onerror = () => markAsReadAndPasteIfAllFilesAreRead();
      reader.onload = () => {
        let content = reader.result;
        if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) {
          markAsReadAndPasteIfAllFilesAreRead();
          return;
        }
        text[i] = content;
        markAsReadAndPasteIfAllFilesAreRead();
      };
      reader.readAsText(file);
    };
    for (let i = 0; i < files.length; i++)
      readTextFromFile(files[i], i);
  } else {
    if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) {
      cm.state.draggingText(e);
      setTimeout(() => cm.display.input.focus(), 20);
      return;
    }
    try {
      let text = e.dataTransfer.getData("Text");
      if (text) {
        let selected;
        if (cm.state.draggingText && !cm.state.draggingText.copy)
          selected = cm.listSelections();
        setSelectionNoUndo(cm.doc, simpleSelection(pos, pos));
        if (selected)
          for (let i = 0; i < selected.length; ++i)
            replaceRange(cm.doc, "", selected[i].anchor, selected[i].head, "drag");
        cm.replaceSelection(text, "around", "paste");
        cm.display.input.focus();
      }
    } catch (e2) {
    }
  }
}
function onDragStart(cm, e) {
  if (ie && (!cm.state.draggingText || +new Date() - lastDrop < 100)) {
    e_stop(e);
    return;
  }
  if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e))
    return;
  e.dataTransfer.setData("Text", cm.getSelection());
  e.dataTransfer.effectAllowed = "copyMove";
  if (e.dataTransfer.setDragImage && !safari) {
    let img = elt("img", null, null, "position: fixed; left: 0; top: 0;");
    img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";
    if (presto) {
      img.width = img.height = 1;
      cm.display.wrapper.appendChild(img);
      img._top = img.offsetTop;
    }
    e.dataTransfer.setDragImage(img, 0, 0);
    if (presto)
      img.parentNode.removeChild(img);
  }
}
function onDragOver(cm, e) {
  let pos = posFromMouse(cm, e);
  if (!pos)
    return;
  let frag = document.createDocumentFragment();
  drawSelectionCursor(cm, pos, frag);
  if (!cm.display.dragCursor) {
    cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors");
    cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv);
  }
  removeChildrenAndAdd(cm.display.dragCursor, frag);
}
function clearDragCursor(cm) {
  if (cm.display.dragCursor) {
    cm.display.lineSpace.removeChild(cm.display.dragCursor);
    cm.display.dragCursor = null;
  }
}

// node_modules/codemirror/src/edit/global_events.js
function forEachCodeMirror(f) {
  if (!document.getElementsByClassName)
    return;
  let byClass = document.getElementsByClassName("CodeMirror"), editors = [];
  for (let i = 0; i < byClass.length; i++) {
    let cm = byClass[i].CodeMirror;
    if (cm)
      editors.push(cm);
  }
  if (editors.length)
    editors[0].operation(() => {
      for (let i = 0; i < editors.length; i++)
        f(editors[i]);
    });
}
var globalsRegistered = false;
function ensureGlobalHandlers() {
  if (globalsRegistered)
    return;
  registerGlobalHandlers();
  globalsRegistered = true;
}
function registerGlobalHandlers() {
  let resizeTimer;
  on(window, "resize", () => {
    if (resizeTimer == null)
      resizeTimer = setTimeout(() => {
        resizeTimer = null;
        forEachCodeMirror(onResize);
      }, 100);
  });
  on(window, "blur", () => forEachCodeMirror(onBlur));
}
function onResize(cm) {
  let d = cm.display;
  d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
  d.scrollbarsClipped = false;
  cm.setSize();
}

// node_modules/codemirror/src/input/keynames.js
var keyNames = {
  3: "Pause",
  8: "Backspace",
  9: "Tab",
  13: "Enter",
  16: "Shift",
  17: "Ctrl",
  18: "Alt",
  19: "Pause",
  20: "CapsLock",
  27: "Esc",
  32: "Space",
  33: "PageUp",
  34: "PageDown",
  35: "End",
  36: "Home",
  37: "Left",
  38: "Up",
  39: "Right",
  40: "Down",
  44: "PrintScrn",
  45: "Insert",
  46: "Delete",
  59: ";",
  61: "=",
  91: "Mod",
  92: "Mod",
  93: "Mod",
  106: "*",
  107: "=",
  109: "-",
  110: ".",
  111: "/",
  145: "ScrollLock",
  173: "-",
  186: ";",
  187: "=",
  188: ",",
  189: "-",
  190: ".",
  191: "/",
  192: "`",
  219: "[",
  220: "\\",
  221: "]",
  222: "'",
  224: "Mod",
  63232: "Up",
  63233: "Down",
  63234: "Left",
  63235: "Right",
  63272: "Delete",
  63273: "Home",
  63275: "End",
  63276: "PageUp",
  63277: "PageDown",
  63302: "Insert"
};
for (let i = 0; i < 10; i++)
  keyNames[i + 48] = keyNames[i + 96] = String(i);
for (let i = 65; i <= 90; i++)
  keyNames[i] = String.fromCharCode(i);
for (let i = 1; i <= 12; i++)
  keyNames[i + 111] = keyNames[i + 63235] = "F" + i;

// node_modules/codemirror/src/input/keymap.js
var keyMap = {};
keyMap.basic = {
  "Left": "goCharLeft",
  "Right": "goCharRight",
  "Up": "goLineUp",
  "Down": "goLineDown",
  "End": "goLineEnd",
  "Home": "goLineStartSmart",
  "PageUp": "goPageUp",
  "PageDown": "goPageDown",
  "Delete": "delCharAfter",
  "Backspace": "delCharBefore",
  "Shift-Backspace": "delCharBefore",
  "Tab": "defaultTab",
  "Shift-Tab": "indentAuto",
  "Enter": "newlineAndIndent",
  "Insert": "toggleOverwrite",
  "Esc": "singleSelection"
};
keyMap.pcDefault = {
  "Ctrl-A": "selectAll",
  "Ctrl-D": "deleteLine",
  "Ctrl-Z": "undo",
  "Shift-Ctrl-Z": "redo",
  "Ctrl-Y": "redo",
  "Ctrl-Home": "goDocStart",
  "Ctrl-End": "goDocEnd",
  "Ctrl-Up": "goLineUp",
  "Ctrl-Down": "goLineDown",
  "Ctrl-Left": "goGroupLeft",
  "Ctrl-Right": "goGroupRight",
  "Alt-Left": "goLineStart",
  "Alt-Right": "goLineEnd",
  "Ctrl-Backspace": "delGroupBefore",
  "Ctrl-Delete": "delGroupAfter",
  "Ctrl-S": "save",
  "Ctrl-F": "find",
  "Ctrl-G": "findNext",
  "Shift-Ctrl-G": "findPrev",
  "Shift-Ctrl-F": "replace",
  "Shift-Ctrl-R": "replaceAll",
  "Ctrl-[": "indentLess",
  "Ctrl-]": "indentMore",
  "Ctrl-U": "undoSelection",
  "Shift-Ctrl-U": "redoSelection",
  "Alt-U": "redoSelection",
  "fallthrough": "basic"
};
keyMap.emacsy = {
  "Ctrl-F": "goCharRight",
  "Ctrl-B": "goCharLeft",
  "Ctrl-P": "goLineUp",
  "Ctrl-N": "goLineDown",
  "Ctrl-A": "goLineStart",
  "Ctrl-E": "goLineEnd",
  "Ctrl-V": "goPageDown",
  "Shift-Ctrl-V": "goPageUp",
  "Ctrl-D": "delCharAfter",
  "Ctrl-H": "delCharBefore",
  "Alt-Backspace": "delWordBefore",
  "Ctrl-K": "killLine",
  "Ctrl-T": "transposeChars",
  "Ctrl-O": "openLine"
};
keyMap.macDefault = {
  "Cmd-A": "selectAll",
  "Cmd-D": "deleteLine",
  "Cmd-Z": "undo",
  "Shift-Cmd-Z": "redo",
  "Cmd-Y": "redo",
  "Cmd-Home": "goDocStart",
  "Cmd-Up": "goDocStart",
  "Cmd-End": "goDocEnd",
  "Cmd-Down": "goDocEnd",
  "Alt-Left": "goGroupLeft",
  "Alt-Right": "goGroupRight",
  "Cmd-Left": "goLineLeft",
  "Cmd-Right": "goLineRight",
  "Alt-Backspace": "delGroupBefore",
  "Ctrl-Alt-Backspace": "delGroupAfter",
  "Alt-Delete": "delGroupAfter",
  "Cmd-S": "save",
  "Cmd-F": "find",
  "Cmd-G": "findNext",
  "Shift-Cmd-G": "findPrev",
  "Cmd-Alt-F": "replace",
  "Shift-Cmd-Alt-F": "replaceAll",
  "Cmd-[": "indentLess",
  "Cmd-]": "indentMore",
  "Cmd-Backspace": "delWrappedLineLeft",
  "Cmd-Delete": "delWrappedLineRight",
  "Cmd-U": "undoSelection",
  "Shift-Cmd-U": "redoSelection",
  "Ctrl-Up": "goDocStart",
  "Ctrl-Down": "goDocEnd",
  "fallthrough": ["basic", "emacsy"]
};
keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;
function normalizeKeyName(name) {
  let parts = name.split(/-(?!$)/);
  name = parts[parts.length - 1];
  let alt, ctrl, shift, cmd;
  for (let i = 0; i < parts.length - 1; i++) {
    let mod = parts[i];
    if (/^(cmd|meta|m)$/i.test(mod))
      cmd = true;
    else if (/^a(lt)?$/i.test(mod))
      alt = true;
    else if (/^(c|ctrl|control)$/i.test(mod))
      ctrl = true;
    else if (/^s(hift)?$/i.test(mod))
      shift = true;
    else
      throw new Error("Unrecognized modifier name: " + mod);
  }
  if (alt)
    name = "Alt-" + name;
  if (ctrl)
    name = "Ctrl-" + name;
  if (cmd)
    name = "Cmd-" + name;
  if (shift)
    name = "Shift-" + name;
  return name;
}
function normalizeKeyMap(keymap) {
  let copy = {};
  for (let keyname in keymap)
    if (keymap.hasOwnProperty(keyname)) {
      let value = keymap[keyname];
      if (/^(name|fallthrough|(de|at)tach)$/.test(keyname))
        continue;
      if (value == "...") {
        delete keymap[keyname];
        continue;
      }
      let keys = map(keyname.split(" "), normalizeKeyName);
      for (let i = 0; i < keys.length; i++) {
        let val, name;
        if (i == keys.length - 1) {
          name = keys.join(" ");
          val = value;
        } else {
          name = keys.slice(0, i + 1).join(" ");
          val = "...";
        }
        let prev = copy[name];
        if (!prev)
          copy[name] = val;
        else if (prev != val)
          throw new Error("Inconsistent bindings for " + name);
      }
      delete keymap[keyname];
    }
  for (let prop in copy)
    keymap[prop] = copy[prop];
  return keymap;
}
function lookupKey(key, map2, handle, context) {
  map2 = getKeyMap(map2);
  let found = map2.call ? map2.call(key, context) : map2[key];
  if (found === false)
    return "nothing";
  if (found === "...")
    return "multi";
  if (found != null && handle(found))
    return "handled";
  if (map2.fallthrough) {
    if (Object.prototype.toString.call(map2.fallthrough) != "[object Array]")
      return lookupKey(key, map2.fallthrough, handle, context);
    for (let i = 0; i < map2.fallthrough.length; i++) {
      let result = lookupKey(key, map2.fallthrough[i], handle, context);
      if (result)
        return result;
    }
  }
}
function isModifierKey(value) {
  let name = typeof value == "string" ? value : keyNames[value.keyCode];
  return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod";
}
function addModifierNames(name, event, noShift) {
  let base = name;
  if (event.altKey && base != "Alt")
    name = "Alt-" + name;
  if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl")
    name = "Ctrl-" + name;
  if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Mod")
    name = "Cmd-" + name;
  if (!noShift && event.shiftKey && base != "Shift")
    name = "Shift-" + name;
  return name;
}
function keyName(event, noShift) {
  if (presto && event.keyCode == 34 && event["char"])
    return false;
  let name = keyNames[event.keyCode];
  if (name == null || event.altGraphKey)
    return false;
  if (event.keyCode == 3 && event.code)
    name = event.code;
  return addModifierNames(name, event, noShift);
}
function getKeyMap(val) {
  return typeof val == "string" ? keyMap[val] : val;
}

// node_modules/codemirror/src/edit/deleteNearSelection.js
function deleteNearSelection(cm, compute) {
  let ranges = cm.doc.sel.ranges, kill = [];
  for (let i = 0; i < ranges.length; i++) {
    let toKill = compute(ranges[i]);
    while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) {
      let replaced = kill.pop();
      if (cmp(replaced.from, toKill.from) < 0) {
        toKill.from = replaced.from;
        break;
      }
    }
    kill.push(toKill);
  }
  runInOp(cm, () => {
    for (let i = kill.length - 1; i >= 0; i--)
      replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete");
    ensureCursorVisible(cm);
  });
}

// node_modules/codemirror/src/input/movement.js
function moveCharLogically(line, ch, dir) {
  let target = skipExtendingChars(line.text, ch + dir, dir);
  return target < 0 || target > line.text.length ? null : target;
}
function moveLogically(line, start, dir) {
  let ch = moveCharLogically(line, start.ch, dir);
  return ch == null ? null : new Pos(start.line, ch, dir < 0 ? "after" : "before");
}
function endOfLine(visually, cm, lineObj, lineNo2, dir) {
  if (visually) {
    if (cm.doc.direction == "rtl")
      dir = -dir;
    let order = getOrder(lineObj, cm.doc.direction);
    if (order) {
      let part = dir < 0 ? lst(order) : order[0];
      let moveInStorageOrder = dir < 0 == (part.level == 1);
      let sticky = moveInStorageOrder ? "after" : "before";
      let ch;
      if (part.level > 0 || cm.doc.direction == "rtl") {
        let prep = prepareMeasureForLine(cm, lineObj);
        ch = dir < 0 ? lineObj.text.length - 1 : 0;
        let targetTop = measureCharPrepared(cm, prep, ch).top;
        ch = findFirst((ch2) => measureCharPrepared(cm, prep, ch2).top == targetTop, dir < 0 == (part.level == 1) ? part.from : part.to - 1, ch);
        if (sticky == "before")
          ch = moveCharLogically(lineObj, ch, 1);
      } else
        ch = dir < 0 ? part.to : part.from;
      return new Pos(lineNo2, ch, sticky);
    }
  }
  return new Pos(lineNo2, dir < 0 ? lineObj.text.length : 0, dir < 0 ? "before" : "after");
}
function moveVisually(cm, line, start, dir) {
  let bidi = getOrder(line, cm.doc.direction);
  if (!bidi)
    return moveLogically(line, start, dir);
  if (start.ch >= line.text.length) {
    start.ch = line.text.length;
    start.sticky = "before";
  } else if (start.ch <= 0) {
    start.ch = 0;
    start.sticky = "after";
  }
  let partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos];
  if (cm.doc.direction == "ltr" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) {
    return moveLogically(line, start, dir);
  }
  let mv = (pos, dir2) => moveCharLogically(line, pos instanceof Pos ? pos.ch : pos, dir2);
  let prep;
  let getWrappedLineExtent = (ch) => {
    if (!cm.options.lineWrapping)
      return {begin: 0, end: line.text.length};
    prep = prep || prepareMeasureForLine(cm, line);
    return wrappedLineExtentChar(cm, line, prep, ch);
  };
  let wrappedLineExtent2 = getWrappedLineExtent(start.sticky == "before" ? mv(start, -1) : start.ch);
  if (cm.doc.direction == "rtl" || part.level == 1) {
    let moveInStorageOrder = part.level == 1 == dir < 0;
    let ch = mv(start, moveInStorageOrder ? 1 : -1);
    if (ch != null && (!moveInStorageOrder ? ch >= part.from && ch >= wrappedLineExtent2.begin : ch <= part.to && ch <= wrappedLineExtent2.end)) {
      let sticky = moveInStorageOrder ? "before" : "after";
      return new Pos(start.line, ch, sticky);
    }
  }
  let searchInVisualLine = (partPos2, dir2, wrappedLineExtent3) => {
    let getRes = (ch, moveInStorageOrder) => moveInStorageOrder ? new Pos(start.line, mv(ch, 1), "before") : new Pos(start.line, ch, "after");
    for (; partPos2 >= 0 && partPos2 < bidi.length; partPos2 += dir2) {
      let part2 = bidi[partPos2];
      let moveInStorageOrder = dir2 > 0 == (part2.level != 1);
      let ch = moveInStorageOrder ? wrappedLineExtent3.begin : mv(wrappedLineExtent3.end, -1);
      if (part2.from <= ch && ch < part2.to)
        return getRes(ch, moveInStorageOrder);
      ch = moveInStorageOrder ? part2.from : mv(part2.to, -1);
      if (wrappedLineExtent3.begin <= ch && ch < wrappedLineExtent3.end)
        return getRes(ch, moveInStorageOrder);
    }
  };
  let res = searchInVisualLine(partPos + dir, dir, wrappedLineExtent2);
  if (res)
    return res;
  let nextCh = dir > 0 ? wrappedLineExtent2.end : mv(wrappedLineExtent2.begin, -1);
  if (nextCh != null && !(dir > 0 && nextCh == line.text.length)) {
    res = searchInVisualLine(dir > 0 ? 0 : bidi.length - 1, dir, getWrappedLineExtent(nextCh));
    if (res)
      return res;
  }
  return null;
}

// node_modules/codemirror/src/edit/commands.js
var commands = {
  selectAll,
  singleSelection: (cm) => cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll),
  killLine: (cm) => deleteNearSelection(cm, (range2) => {
    if (range2.empty()) {
      let len = getLine(cm.doc, range2.head.line).text.length;
      if (range2.head.ch == len && range2.head.line < cm.lastLine())
        return {from: range2.head, to: Pos(range2.head.line + 1, 0)};
      else
        return {from: range2.head, to: Pos(range2.head.line, len)};
    } else {
      return {from: range2.from(), to: range2.to()};
    }
  }),
  deleteLine: (cm) => deleteNearSelection(cm, (range2) => ({
    from: Pos(range2.from().line, 0),
    to: clipPos(cm.doc, Pos(range2.to().line + 1, 0))
  })),
  delLineLeft: (cm) => deleteNearSelection(cm, (range2) => ({
    from: Pos(range2.from().line, 0),
    to: range2.from()
  })),
  delWrappedLineLeft: (cm) => deleteNearSelection(cm, (range2) => {
    let top = cm.charCoords(range2.head, "div").top + 5;
    let leftPos = cm.coordsChar({left: 0, top}, "div");
    return {from: leftPos, to: range2.from()};
  }),
  delWrappedLineRight: (cm) => deleteNearSelection(cm, (range2) => {
    let top = cm.charCoords(range2.head, "div").top + 5;
    let rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top}, "div");
    return {from: range2.from(), to: rightPos};
  }),
  undo: (cm) => cm.undo(),
  redo: (cm) => cm.redo(),
  undoSelection: (cm) => cm.undoSelection(),
  redoSelection: (cm) => cm.redoSelection(),
  goDocStart: (cm) => cm.extendSelection(Pos(cm.firstLine(), 0)),
  goDocEnd: (cm) => cm.extendSelection(Pos(cm.lastLine())),
  goLineStart: (cm) => cm.extendSelectionsBy((range2) => lineStart(cm, range2.head.line), {origin: "+move", bias: 1}),
  goLineStartSmart: (cm) => cm.extendSelectionsBy((range2) => lineStartSmart(cm, range2.head), {origin: "+move", bias: 1}),
  goLineEnd: (cm) => cm.extendSelectionsBy((range2) => lineEnd(cm, range2.head.line), {origin: "+move", bias: -1}),
  goLineRight: (cm) => cm.extendSelectionsBy((range2) => {
    let top = cm.cursorCoords(range2.head, "div").top + 5;
    return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top}, "div");
  }, sel_move),
  goLineLeft: (cm) => cm.extendSelectionsBy((range2) => {
    let top = cm.cursorCoords(range2.head, "div").top + 5;
    return cm.coordsChar({left: 0, top}, "div");
  }, sel_move),
  goLineLeftSmart: (cm) => cm.extendSelectionsBy((range2) => {
    let top = cm.cursorCoords(range2.head, "div").top + 5;
    let pos = cm.coordsChar({left: 0, top}, "div");
    if (pos.ch < cm.getLine(pos.line).search(/\S/))
      return lineStartSmart(cm, range2.head);
    return pos;
  }, sel_move),
  goLineUp: (cm) => cm.moveV(-1, "line"),
  goLineDown: (cm) => cm.moveV(1, "line"),
  goPageUp: (cm) => cm.moveV(-1, "page"),
  goPageDown: (cm) => cm.moveV(1, "page"),
  goCharLeft: (cm) => cm.moveH(-1, "char"),
  goCharRight: (cm) => cm.moveH(1, "char"),
  goColumnLeft: (cm) => cm.moveH(-1, "column"),
  goColumnRight: (cm) => cm.moveH(1, "column"),
  goWordLeft: (cm) => cm.moveH(-1, "word"),
  goGroupRight: (cm) => cm.moveH(1, "group"),
  goGroupLeft: (cm) => cm.moveH(-1, "group"),
  goWordRight: (cm) => cm.moveH(1, "word"),
  delCharBefore: (cm) => cm.deleteH(-1, "codepoint"),
  delCharAfter: (cm) => cm.deleteH(1, "char"),
  delWordBefore: (cm) => cm.deleteH(-1, "word"),
  delWordAfter: (cm) => cm.deleteH(1, "word"),
  delGroupBefore: (cm) => cm.deleteH(-1, "group"),
  delGroupAfter: (cm) => cm.deleteH(1, "group"),
  indentAuto: (cm) => cm.indentSelection("smart"),
  indentMore: (cm) => cm.indentSelection("add"),
  indentLess: (cm) => cm.indentSelection("subtract"),
  insertTab: (cm) => cm.replaceSelection("	"),
  insertSoftTab: (cm) => {
    let spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize;
    for (let i = 0; i < ranges.length; i++) {
      let pos = ranges[i].from();
      let col = countColumn(cm.getLine(pos.line), pos.ch, tabSize);
      spaces.push(spaceStr(tabSize - col % tabSize));
    }
    cm.replaceSelections(spaces);
  },
  defaultTab: (cm) => {
    if (cm.somethingSelected())
      cm.indentSelection("add");
    else
      cm.execCommand("insertTab");
  },
  transposeChars: (cm) => runInOp(cm, () => {
    let ranges = cm.listSelections(), newSel = [];
    for (let i = 0; i < ranges.length; i++) {
      if (!ranges[i].empty())
        continue;
      let cur = ranges[i].head, line = getLine(cm.doc, cur.line).text;
      if (line) {
        if (cur.ch == line.length)
          cur = new Pos(cur.line, cur.ch - 1);
        if (cur.ch > 0) {
          cur = new Pos(cur.line, cur.ch + 1);
          cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2), Pos(cur.line, cur.ch - 2), cur, "+transpose");
        } else if (cur.line > cm.doc.first) {
          let prev = getLine(cm.doc, cur.line - 1).text;
          if (prev) {
            cur = new Pos(cur.line, 1);
            cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() + prev.charAt(prev.length - 1), Pos(cur.line - 1, prev.length - 1), cur, "+transpose");
          }
        }
      }
      newSel.push(new Range(cur, cur));
    }
    cm.setSelections(newSel);
  }),
  newlineAndIndent: (cm) => runInOp(cm, () => {
    let sels = cm.listSelections();
    for (let i = sels.length - 1; i >= 0; i--)
      cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, "+input");
    sels = cm.listSelections();
    for (let i = 0; i < sels.length; i++)
      cm.indentLine(sels[i].from().line, null, true);
    ensureCursorVisible(cm);
  }),
  openLine: (cm) => cm.replaceSelection("\n", "start"),
  toggleOverwrite: (cm) => cm.toggleOverwrite()
};
function lineStart(cm, lineN) {
  let line = getLine(cm.doc, lineN);
  let visual = visualLine(line);
  if (visual != line)
    lineN = lineNo(visual);
  return endOfLine(true, cm, visual, lineN, 1);
}
function lineEnd(cm, lineN) {
  let line = getLine(cm.doc, lineN);
  let visual = visualLineEnd(line);
  if (visual != line)
    lineN = lineNo(visual);
  return endOfLine(true, cm, line, lineN, -1);
}
function lineStartSmart(cm, pos) {
  let start = lineStart(cm, pos.line);
  let line = getLine(cm.doc, start.line);
  let order = getOrder(line, cm.doc.direction);
  if (!order || order[0].level == 0) {
    let firstNonWS = Math.max(start.ch, line.text.search(/\S/));
    let inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch;
    return Pos(start.line, inWS ? 0 : firstNonWS, start.sticky);
  }
  return start;
}

// node_modules/codemirror/src/edit/key_events.js
function doHandleBinding(cm, bound, dropShift) {
  if (typeof bound == "string") {
    bound = commands[bound];
    if (!bound)
      return false;
  }
  cm.display.input.ensurePolled();
  let prevShift = cm.display.shift, done = false;
  try {
    if (cm.isReadOnly())
      cm.state.suppressEdits = true;
    if (dropShift)
      cm.display.shift = false;
    done = bound(cm) != Pass;
  } finally {
    cm.display.shift = prevShift;
    cm.state.suppressEdits = false;
  }
  return done;
}
function lookupKeyForEditor(cm, name, handle) {
  for (let i = 0; i < cm.state.keyMaps.length; i++) {
    let result = lookupKey(name, cm.state.keyMaps[i], handle, cm);
    if (result)
      return result;
  }
  return cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm) || lookupKey(name, cm.options.keyMap, handle, cm);
}
var stopSeq = new Delayed();
function dispatchKey(cm, name, e, handle) {
  let seq = cm.state.keySeq;
  if (seq) {
    if (isModifierKey(name))
      return "handled";
    if (/\'$/.test(name))
      cm.state.keySeq = null;
    else
      stopSeq.set(50, () => {
        if (cm.state.keySeq == seq) {
          cm.state.keySeq = null;
          cm.display.input.reset();
        }
      });
    if (dispatchKeyInner(cm, seq + " " + name, e, handle))
      return true;
  }
  return dispatchKeyInner(cm, name, e, handle);
}
function dispatchKeyInner(cm, name, e, handle) {
  let result = lookupKeyForEditor(cm, name, handle);
  if (result == "multi")
    cm.state.keySeq = name;
  if (result == "handled")
    signalLater(cm, "keyHandled", cm, name, e);
  if (result == "handled" || result == "multi") {
    e_preventDefault(e);
    restartBlink(cm);
  }
  return !!result;
}
function handleKeyBinding(cm, e) {
  let name = keyName(e, true);
  if (!name)
    return false;
  if (e.shiftKey && !cm.state.keySeq) {
    return dispatchKey(cm, "Shift-" + name, e, (b) => doHandleBinding(cm, b, true)) || dispatchKey(cm, name, e, (b) => {
      if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion)
        return doHandleBinding(cm, b);
    });
  } else {
    return dispatchKey(cm, name, e, (b) => doHandleBinding(cm, b));
  }
}
function handleCharBinding(cm, e, ch) {
  return dispatchKey(cm, "'" + ch + "'", e, (b) => doHandleBinding(cm, b, true));
}
var lastStoppedKey = null;
function onKeyDown(e) {
  let cm = this;
  if (e.target && e.target != cm.display.input.getField())
    return;
  cm.curOp.focus = activeElt();
  if (signalDOMEvent(cm, e))
    return;
  if (ie && ie_version < 11 && e.keyCode == 27)
    e.returnValue = false;
  let code = e.keyCode;
  cm.display.shift = code == 16 || e.shiftKey;
  let handled = handleKeyBinding(cm, e);
  if (presto) {
    lastStoppedKey = handled ? code : null;
    if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))
      cm.replaceSelection("", null, "cut");
  }
  if (gecko && !mac && !handled && code == 46 && e.shiftKey && !e.ctrlKey && document.execCommand)
    document.execCommand("cut");
  if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className))
    showCrossHair(cm);
}
function showCrossHair(cm) {
  let lineDiv = cm.display.lineDiv;
  addClass(lineDiv, "CodeMirror-crosshair");
  function up(e) {
    if (e.keyCode == 18 || !e.altKey) {
      rmClass(lineDiv, "CodeMirror-crosshair");
      off(document, "keyup", up);
      off(document, "mouseover", up);
    }
  }
  on(document, "keyup", up);
  on(document, "mouseover", up);
}
function onKeyUp(e) {
  if (e.keyCode == 16)
    this.doc.sel.shift = false;
  signalDOMEvent(this, e);
}
function onKeyPress(e) {
  let cm = this;
  if (e.target && e.target != cm.display.input.getField())
    return;
  if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey)
    return;
  let keyCode = e.keyCode, charCode = e.charCode;
  if (presto && keyCode == lastStoppedKey) {
    lastStoppedKey = null;
    e_preventDefault(e);
    return;
  }
  if (presto && (!e.which || e.which < 10) && handleKeyBinding(cm, e))
    return;
  let ch = String.fromCharCode(charCode == null ? keyCode : charCode);
  if (ch == "\b")
    return;
  if (handleCharBinding(cm, e, ch))
    return;
  cm.display.input.onKeyPress(e);
}

// node_modules/codemirror/src/edit/mouse_events.js
var DOUBLECLICK_DELAY = 400;
var PastClick = class {
  constructor(time, pos, button) {
    this.time = time;
    this.pos = pos;
    this.button = button;
  }
  compare(time, pos, button) {
    return this.time + DOUBLECLICK_DELAY > time && cmp(pos, this.pos) == 0 && button == this.button;
  }
};
var lastClick;
var lastDoubleClick;
function clickRepeat(pos, button) {
  let now = +new Date();
  if (lastDoubleClick && lastDoubleClick.compare(now, pos, button)) {
    lastClick = lastDoubleClick = null;
    return "triple";
  } else if (lastClick && lastClick.compare(now, pos, button)) {
    lastDoubleClick = new PastClick(now, pos, button);
    lastClick = null;
    return "double";
  } else {
    lastClick = new PastClick(now, pos, button);
    lastDoubleClick = null;
    return "single";
  }
}
function onMouseDown(e) {
  let cm = this, display = cm.display;
  if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch())
    return;
  display.input.ensurePolled();
  display.shift = e.shiftKey;
  if (eventInWidget(display, e)) {
    if (!webkit) {
      display.scroller.draggable = false;
      setTimeout(() => display.scroller.draggable = true, 100);
    }
    return;
  }
  if (clickInGutter(cm, e))
    return;
  let pos = posFromMouse(cm, e), button = e_button(e), repeat = pos ? clickRepeat(pos, button) : "single";
  window.focus();
  if (button == 1 && cm.state.selectingText)
    cm.state.selectingText(e);
  if (pos && handleMappedButton(cm, button, pos, repeat, e))
    return;
  if (button == 1) {
    if (pos)
      leftButtonDown(cm, pos, repeat, e);
    else if (e_target(e) == display.scroller)
      e_preventDefault(e);
  } else if (button == 2) {
    if (pos)
      extendSelection(cm.doc, pos);
    setTimeout(() => display.input.focus(), 20);
  } else if (button == 3) {
    if (captureRightClick)
      cm.display.input.onContextMenu(e);
    else
      delayBlurEvent(cm);
  }
}
function handleMappedButton(cm, button, pos, repeat, event) {
  let name = "Click";
  if (repeat == "double")
    name = "Double" + name;
  else if (repeat == "triple")
    name = "Triple" + name;
  name = (button == 1 ? "Left" : button == 2 ? "Middle" : "Right") + name;
  return dispatchKey(cm, addModifierNames(name, event), event, (bound) => {
    if (typeof bound == "string")
      bound = commands[bound];
    if (!bound)
      return false;
    let done = false;
    try {
      if (cm.isReadOnly())
        cm.state.suppressEdits = true;
      done = bound(cm, pos) != Pass;
    } finally {
      cm.state.suppressEdits = false;
    }
    return done;
  });
}
function configureMouse(cm, repeat, event) {
  let option = cm.getOption("configureMouse");
  let value = option ? option(cm, repeat, event) : {};
  if (value.unit == null) {
    let rect = chromeOS ? event.shiftKey && event.metaKey : event.altKey;
    value.unit = rect ? "rectangle" : repeat == "single" ? "char" : repeat == "double" ? "word" : "line";
  }
  if (value.extend == null || cm.doc.extend)
    value.extend = cm.doc.extend || event.shiftKey;
  if (value.addNew == null)
    value.addNew = mac ? event.metaKey : event.ctrlKey;
  if (value.moveOnDrag == null)
    value.moveOnDrag = !(mac ? event.altKey : event.ctrlKey);
  return value;
}
function leftButtonDown(cm, pos, repeat, event) {
  if (ie)
    setTimeout(bind(ensureFocus, cm), 0);
  else
    cm.curOp.focus = activeElt();
  let behavior = configureMouse(cm, repeat, event);
  let sel = cm.doc.sel, contained;
  if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() && repeat == "single" && (contained = sel.contains(pos)) > -1 && (cmp((contained = sel.ranges[contained]).from(), pos) < 0 || pos.xRel > 0) && (cmp(contained.to(), pos) > 0 || pos.xRel < 0))
    leftButtonStartDrag(cm, event, pos, behavior);
  else
    leftButtonSelect(cm, event, pos, behavior);
}
function leftButtonStartDrag(cm, event, pos, behavior) {
  let display = cm.display, moved = false;
  let dragEnd = operation(cm, (e) => {
    if (webkit)
      display.scroller.draggable = false;
    cm.state.draggingText = false;
    if (cm.state.delayingBlurEvent) {
      if (cm.hasFocus())
        cm.state.delayingBlurEvent = false;
      else
        delayBlurEvent(cm);
    }
    off(display.wrapper.ownerDocument, "mouseup", dragEnd);
    off(display.wrapper.ownerDocument, "mousemove", mouseMove);
    off(display.scroller, "dragstart", dragStart);
    off(display.scroller, "drop", dragEnd);
    if (!moved) {
      e_preventDefault(e);
      if (!behavior.addNew)
        extendSelection(cm.doc, pos, null, null, behavior.extend);
      if (webkit && !safari || ie && ie_version == 9)
        setTimeout(() => {
          display.wrapper.ownerDocument.body.focus({preventScroll: true});
          display.input.focus();
        }, 20);
      else
        display.input.focus();
    }
  });
  let mouseMove = function(e2) {
    moved = moved || Math.abs(event.clientX - e2.clientX) + Math.abs(event.clientY - e2.clientY) >= 10;
  };
  let dragStart = () => moved = true;
  if (webkit)
    display.scroller.draggable = true;
  cm.state.draggingText = dragEnd;
  dragEnd.copy = !behavior.moveOnDrag;
  on(display.wrapper.ownerDocument, "mouseup", dragEnd);
  on(display.wrapper.ownerDocument, "mousemove", mouseMove);
  on(display.scroller, "dragstart", dragStart);
  on(display.scroller, "drop", dragEnd);
  cm.state.delayingBlurEvent = true;
  setTimeout(() => display.input.focus(), 20);
  if (display.scroller.dragDrop)
    display.scroller.dragDrop();
}
function rangeForUnit(cm, pos, unit) {
  if (unit == "char")
    return new Range(pos, pos);
  if (unit == "word")
    return cm.findWordAt(pos);
  if (unit == "line")
    return new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0)));
  let result = unit(cm, pos);
  return new Range(result.from, result.to);
}
function leftButtonSelect(cm, event, start, behavior) {
  if (ie)
    delayBlurEvent(cm);
  let display = cm.display, doc = cm.doc;
  e_preventDefault(event);
  let ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges;
  if (behavior.addNew && !behavior.extend) {
    ourIndex = doc.sel.contains(start);
    if (ourIndex > -1)
      ourRange = ranges[ourIndex];
    else
      ourRange = new Range(start, start);
  } else {
    ourRange = doc.sel.primary();
    ourIndex = doc.sel.primIndex;
  }
  if (behavior.unit == "rectangle") {
    if (!behavior.addNew)
      ourRange = new Range(start, start);
    start = posFromMouse(cm, event, true, true);
    ourIndex = -1;
  } else {
    let range2 = rangeForUnit(cm, start, behavior.unit);
    if (behavior.extend)
      ourRange = extendRange(ourRange, range2.anchor, range2.head, behavior.extend);
    else
      ourRange = range2;
  }
  if (!behavior.addNew) {
    ourIndex = 0;
    setSelection(doc, new Selection([ourRange], 0), sel_mouse);
    startSel = doc.sel;
  } else if (ourIndex == -1) {
    ourIndex = ranges.length;
    setSelection(doc, normalizeSelection(cm, ranges.concat([ourRange]), ourIndex), {scroll: false, origin: "*mouse"});
  } else if (ranges.length > 1 && ranges[ourIndex].empty() && behavior.unit == "char" && !behavior.extend) {
    setSelection(doc, normalizeSelection(cm, ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0), {scroll: false, origin: "*mouse"});
    startSel = doc.sel;
  } else {
    replaceOneSelection(doc, ourIndex, ourRange, sel_mouse);
  }
  let lastPos = start;
  function extendTo(pos) {
    if (cmp(lastPos, pos) == 0)
      return;
    lastPos = pos;
    if (behavior.unit == "rectangle") {
      let ranges2 = [], tabSize = cm.options.tabSize;
      let startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize);
      let posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize);
      let left = Math.min(startCol, posCol), right = Math.max(startCol, posCol);
      for (let line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line)); line <= end; line++) {
        let text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize);
        if (left == right)
          ranges2.push(new Range(Pos(line, leftPos), Pos(line, leftPos)));
        else if (text.length > leftPos)
          ranges2.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize))));
      }
      if (!ranges2.length)
        ranges2.push(new Range(start, start));
      setSelection(doc, normalizeSelection(cm, startSel.ranges.slice(0, ourIndex).concat(ranges2), ourIndex), {origin: "*mouse", scroll: false});
      cm.scrollIntoView(pos);
    } else {
      let oldRange = ourRange;
      let range2 = rangeForUnit(cm, pos, behavior.unit);
      let anchor = oldRange.anchor, head;
      if (cmp(range2.anchor, anchor) > 0) {
        head = range2.head;
        anchor = minPos(oldRange.from(), range2.anchor);
      } else {
        head = range2.anchor;
        anchor = maxPos(oldRange.to(), range2.head);
      }
      let ranges2 = startSel.ranges.slice(0);
      ranges2[ourIndex] = bidiSimplify(cm, new Range(clipPos(doc, anchor), head));
      setSelection(doc, normalizeSelection(cm, ranges2, ourIndex), sel_mouse);
    }
  }
  let editorSize = display.wrapper.getBoundingClientRect();
  let counter = 0;
  function extend(e) {
    let curCount = ++counter;
    let cur = posFromMouse(cm, e, true, behavior.unit == "rectangle");
    if (!cur)
      return;
    if (cmp(cur, lastPos) != 0) {
      cm.curOp.focus = activeElt();
      extendTo(cur);
      let visible = visibleLines(display, doc);
      if (cur.line >= visible.to || cur.line < visible.from)
        setTimeout(operation(cm, () => {
          if (counter == curCount)
            extend(e);
        }), 150);
    } else {
      let outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;
      if (outside)
        setTimeout(operation(cm, () => {
          if (counter != curCount)
            return;
          display.scroller.scrollTop += outside;
          extend(e);
        }), 50);
    }
  }
  function done(e) {
    cm.state.selectingText = false;
    counter = Infinity;
    if (e) {
      e_preventDefault(e);
      display.input.focus();
    }
    off(display.wrapper.ownerDocument, "mousemove", move);
    off(display.wrapper.ownerDocument, "mouseup", up);
    doc.history.lastSelOrigin = null;
  }
  let move = operation(cm, (e) => {
    if (e.buttons === 0 || !e_button(e))
      done(e);
    else
      extend(e);
  });
  let up = operation(cm, done);
  cm.state.selectingText = up;
  on(display.wrapper.ownerDocument, "mousemove", move);
  on(display.wrapper.ownerDocument, "mouseup", up);
}
function bidiSimplify(cm, range2) {
  let {anchor, head} = range2, anchorLine = getLine(cm.doc, anchor.line);
  if (cmp(anchor, head) == 0 && anchor.sticky == head.sticky)
    return range2;
  let order = getOrder(anchorLine);
  if (!order)
    return range2;
  let index = getBidiPartAt(order, anchor.ch, anchor.sticky), part = order[index];
  if (part.from != anchor.ch && part.to != anchor.ch)
    return range2;
  let boundary = index + (part.from == anchor.ch == (part.level != 1) ? 0 : 1);
  if (boundary == 0 || boundary == order.length)
    return range2;
  let leftSide;
  if (head.line != anchor.line) {
    leftSide = (head.line - anchor.line) * (cm.doc.direction == "ltr" ? 1 : -1) > 0;
  } else {
    let headIndex = getBidiPartAt(order, head.ch, head.sticky);
    let dir = headIndex - index || (head.ch - anchor.ch) * (part.level == 1 ? -1 : 1);
    if (headIndex == boundary - 1 || headIndex == boundary)
      leftSide = dir < 0;
    else
      leftSide = dir > 0;
  }
  let usePart = order[boundary + (leftSide ? -1 : 0)];
  let from = leftSide == (usePart.level == 1);
  let ch = from ? usePart.from : usePart.to, sticky = from ? "after" : "before";
  return anchor.ch == ch && anchor.sticky == sticky ? range2 : new Range(new Pos(anchor.line, ch, sticky), head);
}
function gutterEvent(cm, e, type, prevent) {
  let mX, mY;
  if (e.touches) {
    mX = e.touches[0].clientX;
    mY = e.touches[0].clientY;
  } else {
    try {
      mX = e.clientX;
      mY = e.clientY;
    } catch (e2) {
      return false;
    }
  }
  if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right))
    return false;
  if (prevent)
    e_preventDefault(e);
  let display = cm.display;
  let lineBox = display.lineDiv.getBoundingClientRect();
  if (mY > lineBox.bottom || !hasHandler(cm, type))
    return e_defaultPrevented(e);
  mY -= lineBox.top - display.viewOffset;
  for (let i = 0; i < cm.display.gutterSpecs.length; ++i) {
    let g = display.gutters.childNodes[i];
    if (g && g.getBoundingClientRect().right >= mX) {
      let line = lineAtHeight(cm.doc, mY);
      let gutter = cm.display.gutterSpecs[i];
      signal(cm, type, cm, line, gutter.className, e);
      return e_defaultPrevented(e);
    }
  }
}
function clickInGutter(cm, e) {
  return gutterEvent(cm, e, "gutterClick", true);
}
function onContextMenu(cm, e) {
  if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e))
    return;
  if (signalDOMEvent(cm, e, "contextmenu"))
    return;
  if (!captureRightClick)
    cm.display.input.onContextMenu(e);
}
function contextMenuInGutter(cm, e) {
  if (!hasHandler(cm, "gutterContextMenu"))
    return false;
  return gutterEvent(cm, e, "gutterContextMenu", false);
}

// node_modules/codemirror/src/edit/utils.js
function themeChanged(cm) {
  cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") + cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-");
  clearCaches(cm);
}

// node_modules/codemirror/src/edit/options.js
var Init = {toString: function() {
  return "CodeMirror.Init";
}};
var defaults = {};
var optionHandlers = {};
function defineOptions(CodeMirror2) {
  let optionHandlers2 = CodeMirror2.optionHandlers;
  function option(name, deflt, handle, notOnInit) {
    CodeMirror2.defaults[name] = deflt;
    if (handle)
      optionHandlers2[name] = notOnInit ? (cm, val, old) => {
        if (old != Init)
          handle(cm, val, old);
      } : handle;
  }
  CodeMirror2.defineOption = option;
  CodeMirror2.Init = Init;
  option("value", "", (cm, val) => cm.setValue(val), true);
  option("mode", null, (cm, val) => {
    cm.doc.modeOption = val;
    loadMode(cm);
  }, true);
  option("indentUnit", 2, loadMode, true);
  option("indentWithTabs", false);
  option("smartIndent", true);
  option("tabSize", 4, (cm) => {
    resetModeState(cm);
    clearCaches(cm);
    regChange(cm);
  }, true);
  option("lineSeparator", null, (cm, val) => {
    cm.doc.lineSep = val;
    if (!val)
      return;
    let newBreaks = [], lineNo2 = cm.doc.first;
    cm.doc.iter((line) => {
      for (let pos = 0; ; ) {
        let found = line.text.indexOf(val, pos);
        if (found == -1)
          break;
        pos = found + val.length;
        newBreaks.push(Pos(lineNo2, found));
      }
      lineNo2++;
    });
    for (let i = newBreaks.length - 1; i >= 0; i--)
      replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length));
  });
  option("specialChars", /[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b\u200e\u200f\u2028\u2029\ufeff\ufff9-\ufffc]/g, (cm, val, old) => {
    cm.state.specialChars = new RegExp(val.source + (val.test("	") ? "" : "|	"), "g");
    if (old != Init)
      cm.refresh();
  });
  option("specialCharPlaceholder", defaultSpecialCharPlaceholder, (cm) => cm.refresh(), true);
  option("electricChars", true);
  option("inputStyle", mobile ? "contenteditable" : "textarea", () => {
    throw new Error("inputStyle can not (yet) be changed in a running editor");
  }, true);
  option("spellcheck", false, (cm, val) => cm.getInputField().spellcheck = val, true);
  option("autocorrect", false, (cm, val) => cm.getInputField().autocorrect = val, true);
  option("autocapitalize", false, (cm, val) => cm.getInputField().autocapitalize = val, true);
  option("rtlMoveVisually", !windows);
  option("wholeLineUpdateBefore", true);
  option("theme", "default", (cm) => {
    themeChanged(cm);
    updateGutters(cm);
  }, true);
  option("keyMap", "default", (cm, val, old) => {
    let next = getKeyMap(val);
    let prev = old != Init && getKeyMap(old);
    if (prev && prev.detach)
      prev.detach(cm, next);
    if (next.attach)
      next.attach(cm, prev || null);
  });
  option("extraKeys", null);
  option("configureMouse", null);
  option("lineWrapping", false, wrappingChanged, true);
  option("gutters", [], (cm, val) => {
    cm.display.gutterSpecs = getGutters(val, cm.options.lineNumbers);
    updateGutters(cm);
  }, true);
  option("fixedGutter", true, (cm, val) => {
    cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0";
    cm.refresh();
  }, true);
  option("coverGutterNextToScrollbar", false, (cm) => updateScrollbars(cm), true);
  option("scrollbarStyle", "native", (cm) => {
    initScrollbars(cm);
    updateScrollbars(cm);
    cm.display.scrollbars.setScrollTop(cm.doc.scrollTop);
    cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft);
  }, true);
  option("lineNumbers", false, (cm, val) => {
    cm.display.gutterSpecs = getGutters(cm.options.gutters, val);
    updateGutters(cm);
  }, true);
  option("firstLineNumber", 1, updateGutters, true);
  option("lineNumberFormatter", (integer) => integer, updateGutters, true);
  option("showCursorWhenSelecting", false, updateSelection, true);
  option("resetSelectionOnContextMenu", true);
  option("lineWiseCopyCut", true);
  option("pasteLinesPerSelection", true);
  option("selectionsMayTouch", false);
  option("readOnly", false, (cm, val) => {
    if (val == "nocursor") {
      onBlur(cm);
      cm.display.input.blur();
    }
    cm.display.input.readOnlyChanged(val);
  });
  option("screenReaderLabel", null, (cm, val) => {
    val = val === "" ? null : val;
    cm.display.input.screenReaderLabelChanged(val);
  });
  option("disableInput", false, (cm, val) => {
    if (!val)
      cm.display.input.reset();
  }, true);
  option("dragDrop", true, dragDropChanged);
  option("allowDropFileTypes", null);
  option("cursorBlinkRate", 530);
  option("cursorScrollMargin", 0);
  option("cursorHeight", 1, updateSelection, true);
  option("singleCursorHeightPerLine", true, updateSelection, true);
  option("workTime", 100);
  option("workDelay", 100);
  option("flattenSpans", true, resetModeState, true);
  option("addModeClass", false, resetModeState, true);
  option("pollInterval", 100);
  option("undoDepth", 200, (cm, val) => cm.doc.history.undoDepth = val);
  option("historyEventDelay", 1250);
  option("viewportMargin", 10, (cm) => cm.refresh(), true);
  option("maxHighlightLength", 1e4, resetModeState, true);
  option("moveInputWithCursor", true, (cm, val) => {
    if (!val)
      cm.display.input.resetPosition();
  });
  option("tabindex", null, (cm, val) => cm.display.input.getField().tabIndex = val || "");
  option("autofocus", null);
  option("direction", "ltr", (cm, val) => cm.doc.setDirection(val), true);
  option("phrases", null);
}
function dragDropChanged(cm, value, old) {
  let wasOn = old && old != Init;
  if (!value != !wasOn) {
    let funcs = cm.display.dragFunctions;
    let toggle = value ? on : off;
    toggle(cm.display.scroller, "dragstart", funcs.start);
    toggle(cm.display.scroller, "dragenter", funcs.enter);
    toggle(cm.display.scroller, "dragover", funcs.over);
    toggle(cm.display.scroller, "dragleave", funcs.leave);
    toggle(cm.display.scroller, "drop", funcs.drop);
  }
}
function wrappingChanged(cm) {
  if (cm.options.lineWrapping) {
    addClass(cm.display.wrapper, "CodeMirror-wrap");
    cm.display.sizer.style.minWidth = "";
    cm.display.sizerWidth = null;
  } else {
    rmClass(cm.display.wrapper, "CodeMirror-wrap");
    findMaxLine(cm);
  }
  estimateLineHeights(cm);
  regChange(cm);
  clearCaches(cm);
  setTimeout(() => updateScrollbars(cm), 100);
}

// node_modules/codemirror/src/edit/CodeMirror.js
function CodeMirror(place, options) {
  if (!(this instanceof CodeMirror))
    return new CodeMirror(place, options);
  this.options = options = options ? copyObj(options) : {};
  copyObj(defaults, options, false);
  let doc = options.value;
  if (typeof doc == "string")
    doc = new Doc_default(doc, options.mode, null, options.lineSeparator, options.direction);
  else if (options.mode)
    doc.modeOption = options.mode;
  this.doc = doc;
  let input = new CodeMirror.inputStyles[options.inputStyle](this);
  let display = this.display = new Display(place, doc, input, options);
  display.wrapper.CodeMirror = this;
  themeChanged(this);
  if (options.lineWrapping)
    this.display.wrapper.className += " CodeMirror-wrap";
  initScrollbars(this);
  this.state = {
    keyMaps: [],
    overlays: [],
    modeGen: 0,
    overwrite: false,
    delayingBlurEvent: false,
    focused: false,
    suppressEdits: false,
    pasteIncoming: -1,
    cutIncoming: -1,
    selectingText: false,
    draggingText: false,
    highlight: new Delayed(),
    keySeq: null,
    specialChars: null
  };
  if (options.autofocus && !mobile)
    display.input.focus();
  if (ie && ie_version < 11)
    setTimeout(() => this.display.input.reset(true), 20);
  registerEventHandlers(this);
  ensureGlobalHandlers();
  startOperation(this);
  this.curOp.forceUpdate = true;
  attachDoc(this, doc);
  if (options.autofocus && !mobile || this.hasFocus())
    setTimeout(() => {
      if (this.hasFocus() && !this.state.focused)
        onFocus(this);
    }, 20);
  else
    onBlur(this);
  for (let opt in optionHandlers)
    if (optionHandlers.hasOwnProperty(opt))
      optionHandlers[opt](this, options[opt], Init);
  maybeUpdateLineNumberWidth(this);
  if (options.finishInit)
    options.finishInit(this);
  for (let i = 0; i < initHooks.length; ++i)
    initHooks[i](this);
  endOperation(this);
  if (webkit && options.lineWrapping && getComputedStyle(display.lineDiv).textRendering == "optimizelegibility")
    display.lineDiv.style.textRendering = "auto";
}
CodeMirror.defaults = defaults;
CodeMirror.optionHandlers = optionHandlers;
var CodeMirror_default = CodeMirror;
function registerEventHandlers(cm) {
  let d = cm.display;
  on(d.scroller, "mousedown", operation(cm, onMouseDown));
  if (ie && ie_version < 11)
    on(d.scroller, "dblclick", operation(cm, (e) => {
      if (signalDOMEvent(cm, e))
        return;
      let pos = posFromMouse(cm, e);
      if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e))
        return;
      e_preventDefault(e);
      let word = cm.findWordAt(pos);
      extendSelection(cm.doc, word.anchor, word.head);
    }));
  else
    on(d.scroller, "dblclick", (e) => signalDOMEvent(cm, e) || e_preventDefault(e));
  on(d.scroller, "contextmenu", (e) => onContextMenu(cm, e));
  on(d.input.getField(), "contextmenu", (e) => {
    if (!d.scroller.contains(e.target))
      onContextMenu(cm, e);
  });
  let touchFinished, prevTouch = {end: 0};
  function finishTouch() {
    if (d.activeTouch) {
      touchFinished = setTimeout(() => d.activeTouch = null, 1e3);
      prevTouch = d.activeTouch;
      prevTouch.end = +new Date();
    }
  }
  function isMouseLikeTouchEvent(e) {
    if (e.touches.length != 1)
      return false;
    let touch = e.touches[0];
    return touch.radiusX <= 1 && touch.radiusY <= 1;
  }
  function farAway(touch, other) {
    if (other.left == null)
      return true;
    let dx = other.left - touch.left, dy = other.top - touch.top;
    return dx * dx + dy * dy > 20 * 20;
  }
  on(d.scroller, "touchstart", (e) => {
    if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e) && !clickInGutter(cm, e)) {
      d.input.ensurePolled();
      clearTimeout(touchFinished);
      let now = +new Date();
      d.activeTouch = {
        start: now,
        moved: false,
        prev: now - prevTouch.end <= 300 ? prevTouch : null
      };
      if (e.touches.length == 1) {
        d.activeTouch.left = e.touches[0].pageX;
        d.activeTouch.top = e.touches[0].pageY;
      }
    }
  });
  on(d.scroller, "touchmove", () => {
    if (d.activeTouch)
      d.activeTouch.moved = true;
  });
  on(d.scroller, "touchend", (e) => {
    let touch = d.activeTouch;
    if (touch && !eventInWidget(d, e) && touch.left != null && !touch.moved && new Date() - touch.start < 300) {
      let pos = cm.coordsChar(d.activeTouch, "page"), range2;
      if (!touch.prev || farAway(touch, touch.prev))
        range2 = new Range(pos, pos);
      else if (!touch.prev.prev || farAway(touch, touch.prev.prev))
        range2 = cm.findWordAt(pos);
      else
        range2 = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0)));
      cm.setSelection(range2.anchor, range2.head);
      cm.focus();
      e_preventDefault(e);
    }
    finishTouch();
  });
  on(d.scroller, "touchcancel", finishTouch);
  on(d.scroller, "scroll", () => {
    if (d.scroller.clientHeight) {
      updateScrollTop(cm, d.scroller.scrollTop);
      setScrollLeft(cm, d.scroller.scrollLeft, true);
      signal(cm, "scroll", cm);
    }
  });
  on(d.scroller, "mousewheel", (e) => onScrollWheel(cm, e));
  on(d.scroller, "DOMMouseScroll", (e) => onScrollWheel(cm, e));
  on(d.wrapper, "scroll", () => d.wrapper.scrollTop = d.wrapper.scrollLeft = 0);
  d.dragFunctions = {
    enter: (e) => {
      if (!signalDOMEvent(cm, e))
        e_stop(e);
    },
    over: (e) => {
      if (!signalDOMEvent(cm, e)) {
        onDragOver(cm, e);
        e_stop(e);
      }
    },
    start: (e) => onDragStart(cm, e),
    drop: operation(cm, onDrop),
    leave: (e) => {
      if (!signalDOMEvent(cm, e)) {
        clearDragCursor(cm);
      }
    }
  };
  let inp = d.input.getField();
  on(inp, "keyup", (e) => onKeyUp.call(cm, e));
  on(inp, "keydown", operation(cm, onKeyDown));
  on(inp, "keypress", operation(cm, onKeyPress));
  on(inp, "focus", (e) => onFocus(cm, e));
  on(inp, "blur", (e) => onBlur(cm, e));
}
var initHooks = [];
CodeMirror.defineInitHook = (f) => initHooks.push(f);

// node_modules/codemirror/src/input/indent.js
function indentLine(cm, n, how, aggressive) {
  let doc = cm.doc, state;
  if (how == null)
    how = "add";
  if (how == "smart") {
    if (!doc.mode.indent)
      how = "prev";
    else
      state = getContextBefore(cm, n).state;
  }
  let tabSize = cm.options.tabSize;
  let line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);
  if (line.stateAfter)
    line.stateAfter = null;
  let curSpaceString = line.text.match(/^\s*/)[0], indentation;
  if (!aggressive && !/\S/.test(line.text)) {
    indentation = 0;
    how = "not";
  } else if (how == "smart") {
    indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text);
    if (indentation == Pass || indentation > 150) {
      if (!aggressive)
        return;
      how = "prev";
    }
  }
  if (how == "prev") {
    if (n > doc.first)
      indentation = countColumn(getLine(doc, n - 1).text, null, tabSize);
    else
      indentation = 0;
  } else if (how == "add") {
    indentation = curSpace + cm.options.indentUnit;
  } else if (how == "subtract") {
    indentation = curSpace - cm.options.indentUnit;
  } else if (typeof how == "number") {
    indentation = curSpace + how;
  }
  indentation = Math.max(0, indentation);
  let indentString = "", pos = 0;
  if (cm.options.indentWithTabs)
    for (let i = Math.floor(indentation / tabSize); i; --i) {
      pos += tabSize;
      indentString += "	";
    }
  if (pos < indentation)
    indentString += spaceStr(indentation - pos);
  if (indentString != curSpaceString) {
    replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input");
    line.stateAfter = null;
    return true;
  } else {
    for (let i = 0; i < doc.sel.ranges.length; i++) {
      let range2 = doc.sel.ranges[i];
      if (range2.head.line == n && range2.head.ch < curSpaceString.length) {
        let pos2 = Pos(n, curSpaceString.length);
        replaceOneSelection(doc, i, new Range(pos2, pos2));
        break;
      }
    }
  }
}

// node_modules/codemirror/src/input/input.js
var lastCopied = null;
function setLastCopied(newLastCopied) {
  lastCopied = newLastCopied;
}
function applyTextInput(cm, inserted, deleted, sel, origin) {
  let doc = cm.doc;
  cm.display.shift = false;
  if (!sel)
    sel = doc.sel;
  let recent = +new Date() - 200;
  let paste = origin == "paste" || cm.state.pasteIncoming > recent;
  let textLines = splitLinesAuto(inserted), multiPaste = null;
  if (paste && sel.ranges.length > 1) {
    if (lastCopied && lastCopied.text.join("\n") == inserted) {
      if (sel.ranges.length % lastCopied.text.length == 0) {
        multiPaste = [];
        for (let i = 0; i < lastCopied.text.length; i++)
          multiPaste.push(doc.splitLines(lastCopied.text[i]));
      }
    } else if (textLines.length == sel.ranges.length && cm.options.pasteLinesPerSelection) {
      multiPaste = map(textLines, (l) => [l]);
    }
  }
  let updateInput = cm.curOp.updateInput;
  for (let i = sel.ranges.length - 1; i >= 0; i--) {
    let range2 = sel.ranges[i];
    let from = range2.from(), to = range2.to();
    if (range2.empty()) {
      if (deleted && deleted > 0)
        from = Pos(from.line, from.ch - deleted);
      else if (cm.state.overwrite && !paste)
        to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length));
      else if (paste && lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == textLines.join("\n"))
        from = to = Pos(from.line, 0);
    }
    let changeEvent = {
      from,
      to,
      text: multiPaste ? multiPaste[i % multiPaste.length] : textLines,
      origin: origin || (paste ? "paste" : cm.state.cutIncoming > recent ? "cut" : "+input")
    };
    makeChange(cm.doc, changeEvent);
    signalLater(cm, "inputRead", cm, changeEvent);
  }
  if (inserted && !paste)
    triggerElectric(cm, inserted);
  ensureCursorVisible(cm);
  if (cm.curOp.updateInput < 2)
    cm.curOp.updateInput = updateInput;
  cm.curOp.typing = true;
  cm.state.pasteIncoming = cm.state.cutIncoming = -1;
}
function handlePaste(e, cm) {
  let pasted = e.clipboardData && e.clipboardData.getData("Text");
  if (pasted) {
    e.preventDefault();
    if (!cm.isReadOnly() && !cm.options.disableInput)
      runInOp(cm, () => applyTextInput(cm, pasted, 0, null, "paste"));
    return true;
  }
}
function triggerElectric(cm, inserted) {
  if (!cm.options.electricChars || !cm.options.smartIndent)
    return;
  let sel = cm.doc.sel;
  for (let i = sel.ranges.length - 1; i >= 0; i--) {
    let range2 = sel.ranges[i];
    if (range2.head.ch > 100 || i && sel.ranges[i - 1].head.line == range2.head.line)
      continue;
    let mode = cm.getModeAt(range2.head);
    let indented = false;
    if (mode.electricChars) {
      for (let j = 0; j < mode.electricChars.length; j++)
        if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {
          indented = indentLine(cm, range2.head.line, "smart");
          break;
        }
    } else if (mode.electricInput) {
      if (mode.electricInput.test(getLine(cm.doc, range2.head.line).text.slice(0, range2.head.ch)))
        indented = indentLine(cm, range2.head.line, "smart");
    }
    if (indented)
      signalLater(cm, "electricInput", cm, range2.head.line);
  }
}
function copyableRanges(cm) {
  let text = [], ranges = [];
  for (let i = 0; i < cm.doc.sel.ranges.length; i++) {
    let line = cm.doc.sel.ranges[i].head.line;
    let lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)};
    ranges.push(lineRange);
    text.push(cm.getRange(lineRange.anchor, lineRange.head));
  }
  return {text, ranges};
}
function disableBrowserMagic(field, spellcheck, autocorrect, autocapitalize) {
  field.setAttribute("autocorrect", autocorrect ? "" : "off");
  field.setAttribute("autocapitalize", autocapitalize ? "" : "off");
  field.setAttribute("spellcheck", !!spellcheck);
}
function hiddenTextarea() {
  let te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none");
  let div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");
  if (webkit)
    te.style.width = "1000px";
  else
    te.setAttribute("wrap", "off");
  if (ios)
    te.style.border = "1px solid black";
  disableBrowserMagic(te);
  return div;
}

// node_modules/codemirror/src/edit/methods.js
function methods_default(CodeMirror2) {
  let optionHandlers2 = CodeMirror2.optionHandlers;
  let helpers = CodeMirror2.helpers = {};
  CodeMirror2.prototype = {
    constructor: CodeMirror2,
    focus: function() {
      window.focus();
      this.display.input.focus();
    },
    setOption: function(option, value) {
      let options = this.options, old = options[option];
      if (options[option] == value && option != "mode")
        return;
      options[option] = value;
      if (optionHandlers2.hasOwnProperty(option))
        operation(this, optionHandlers2[option])(this, value, old);
      signal(this, "optionChange", this, option);
    },
    getOption: function(option) {
      return this.options[option];
    },
    getDoc: function() {
      return this.doc;
    },
    addKeyMap: function(map2, bottom) {
      this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map2));
    },
    removeKeyMap: function(map2) {
      let maps = this.state.keyMaps;
      for (let i = 0; i < maps.length; ++i)
        if (maps[i] == map2 || maps[i].name == map2) {
          maps.splice(i, 1);
          return true;
        }
    },
    addOverlay: methodOp(function(spec, options) {
      let mode = spec.token ? spec : CodeMirror2.getMode(this.options, spec);
      if (mode.startState)
        throw new Error("Overlays may not be stateful.");
      insertSorted(this.state.overlays, {
        mode,
        modeSpec: spec,
        opaque: options && options.opaque,
        priority: options && options.priority || 0
      }, (overlay) => overlay.priority);
      this.state.modeGen++;
      regChange(this);
    }),
    removeOverlay: methodOp(function(spec) {
      let overlays = this.state.overlays;
      for (let i = 0; i < overlays.length; ++i) {
        let cur = overlays[i].modeSpec;
        if (cur == spec || typeof spec == "string" && cur.name == spec) {
          overlays.splice(i, 1);
          this.state.modeGen++;
          regChange(this);
          return;
        }
      }
    }),
    indentLine: methodOp(function(n, dir, aggressive) {
      if (typeof dir != "string" && typeof dir != "number") {
        if (dir == null)
          dir = this.options.smartIndent ? "smart" : "prev";
        else
          dir = dir ? "add" : "subtract";
      }
      if (isLine(this.doc, n))
        indentLine(this, n, dir, aggressive);
    }),
    indentSelection: methodOp(function(how) {
      let ranges = this.doc.sel.ranges, end = -1;
      for (let i = 0; i < ranges.length; i++) {
        let range2 = ranges[i];
        if (!range2.empty()) {
          let from = range2.from(), to = range2.to();
          let start = Math.max(end, from.line);
          end = Math.min(this.lastLine(), to.line - (to.ch ? 0 : 1)) + 1;
          for (let j = start; j < end; ++j)
            indentLine(this, j, how);
          let newRanges = this.doc.sel.ranges;
          if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0)
            replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll);
        } else if (range2.head.line > end) {
          indentLine(this, range2.head.line, how, true);
          end = range2.head.line;
          if (i == this.doc.sel.primIndex)
            ensureCursorVisible(this);
        }
      }
    }),
    getTokenAt: function(pos, precise) {
      return takeToken(this, pos, precise);
    },
    getLineTokens: function(line, precise) {
      return takeToken(this, Pos(line), precise, true);
    },
    getTokenTypeAt: function(pos) {
      pos = clipPos(this.doc, pos);
      let styles = getLineStyles(this, getLine(this.doc, pos.line));
      let before = 0, after = (styles.length - 1) / 2, ch = pos.ch;
      let type;
      if (ch == 0)
        type = styles[2];
      else
        for (; ; ) {
          let mid = before + after >> 1;
          if ((mid ? styles[mid * 2 - 1] : 0) >= ch)
            after = mid;
          else if (styles[mid * 2 + 1] < ch)
            before = mid + 1;
          else {
            type = styles[mid * 2 + 2];
            break;
          }
        }
      let cut = type ? type.indexOf("overlay ") : -1;
      return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1);
    },
    getModeAt: function(pos) {
      let mode = this.doc.mode;
      if (!mode.innerMode)
        return mode;
      return CodeMirror2.innerMode(mode, this.getTokenAt(pos).state).mode;
    },
    getHelper: function(pos, type) {
      return this.getHelpers(pos, type)[0];
    },
    getHelpers: function(pos, type) {
      let found = [];
      if (!helpers.hasOwnProperty(type))
        return found;
      let help = helpers[type], mode = this.getModeAt(pos);
      if (typeof mode[type] == "string") {
        if (help[mode[type]])
          found.push(help[mode[type]]);
      } else if (mode[type]) {
        for (let i = 0; i < mode[type].length; i++) {
          let val = help[mode[type][i]];
          if (val)
            found.push(val);
        }
      } else if (mode.helperType && help[mode.helperType]) {
        found.push(help[mode.helperType]);
      } else if (help[mode.name]) {
        found.push(help[mode.name]);
      }
      for (let i = 0; i < help._global.length; i++) {
        let cur = help._global[i];
        if (cur.pred(mode, this) && indexOf(found, cur.val) == -1)
          found.push(cur.val);
      }
      return found;
    },
    getStateAfter: function(line, precise) {
      let doc = this.doc;
      line = clipLine(doc, line == null ? doc.first + doc.size - 1 : line);
      return getContextBefore(this, line + 1, precise).state;
    },
    cursorCoords: function(start, mode) {
      let pos, range2 = this.doc.sel.primary();
      if (start == null)
        pos = range2.head;
      else if (typeof start == "object")
        pos = clipPos(this.doc, start);
      else
        pos = start ? range2.from() : range2.to();
      return cursorCoords(this, pos, mode || "page");
    },
    charCoords: function(pos, mode) {
      return charCoords(this, clipPos(this.doc, pos), mode || "page");
    },
    coordsChar: function(coords, mode) {
      coords = fromCoordSystem(this, coords, mode || "page");
      return coordsChar(this, coords.left, coords.top);
    },
    lineAtHeight: function(height, mode) {
      height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top;
      return lineAtHeight(this.doc, height + this.display.viewOffset);
    },
    heightAtLine: function(line, mode, includeWidgets) {
      let end = false, lineObj;
      if (typeof line == "number") {
        let last = this.doc.first + this.doc.size - 1;
        if (line < this.doc.first)
          line = this.doc.first;
        else if (line > last) {
          line = last;
          end = true;
        }
        lineObj = getLine(this.doc, line);
      } else {
        lineObj = line;
      }
      return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page", includeWidgets || end).top + (end ? this.doc.height - heightAtLine(lineObj) : 0);
    },
    defaultTextHeight: function() {
      return textHeight(this.display);
    },
    defaultCharWidth: function() {
      return charWidth(this.display);
    },
    getViewport: function() {
      return {from: this.display.viewFrom, to: this.display.viewTo};
    },
    addWidget: function(pos, node, scroll, vert, horiz) {
      let display = this.display;
      pos = cursorCoords(this, clipPos(this.doc, pos));
      let top = pos.bottom, left = pos.left;
      node.style.position = "absolute";
      node.setAttribute("cm-ignore-events", "true");
      this.display.input.setUneditable(node);
      display.sizer.appendChild(node);
      if (vert == "over") {
        top = pos.top;
      } else if (vert == "above" || vert == "near") {
        let vspace = Math.max(display.wrapper.clientHeight, this.doc.height), hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);
        if ((vert == "above" || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight)
          top = pos.top - node.offsetHeight;
        else if (pos.bottom + node.offsetHeight <= vspace)
          top = pos.bottom;
        if (left + node.offsetWidth > hspace)
          left = hspace - node.offsetWidth;
      }
      node.style.top = top + "px";
      node.style.left = node.style.right = "";
      if (horiz == "right") {
        left = display.sizer.clientWidth - node.offsetWidth;
        node.style.right = "0px";
      } else {
        if (horiz == "left")
          left = 0;
        else if (horiz == "middle")
          left = (display.sizer.clientWidth - node.offsetWidth) / 2;
        node.style.left = left + "px";
      }
      if (scroll)
        scrollIntoView(this, {left, top, right: left + node.offsetWidth, bottom: top + node.offsetHeight});
    },
    triggerOnKeyDown: methodOp(onKeyDown),
    triggerOnKeyPress: methodOp(onKeyPress),
    triggerOnKeyUp: onKeyUp,
    triggerOnMouseDown: methodOp(onMouseDown),
    execCommand: function(cmd) {
      if (commands.hasOwnProperty(cmd))
        return commands[cmd].call(null, this);
    },
    triggerElectric: methodOp(function(text) {
      triggerElectric(this, text);
    }),
    findPosH: function(from, amount, unit, visually) {
      let dir = 1;
      if (amount < 0) {
        dir = -1;
        amount = -amount;
      }
      let cur = clipPos(this.doc, from);
      for (let i = 0; i < amount; ++i) {
        cur = findPosH(this.doc, cur, dir, unit, visually);
        if (cur.hitSide)
          break;
      }
      return cur;
    },
    moveH: methodOp(function(dir, unit) {
      this.extendSelectionsBy((range2) => {
        if (this.display.shift || this.doc.extend || range2.empty())
          return findPosH(this.doc, range2.head, dir, unit, this.options.rtlMoveVisually);
        else
          return dir < 0 ? range2.from() : range2.to();
      }, sel_move);
    }),
    deleteH: methodOp(function(dir, unit) {
      let sel = this.doc.sel, doc = this.doc;
      if (sel.somethingSelected())
        doc.replaceSelection("", null, "+delete");
      else
        deleteNearSelection(this, (range2) => {
          let other = findPosH(doc, range2.head, dir, unit, false);
          return dir < 0 ? {from: other, to: range2.head} : {from: range2.head, to: other};
        });
    }),
    findPosV: function(from, amount, unit, goalColumn) {
      let dir = 1, x = goalColumn;
      if (amount < 0) {
        dir = -1;
        amount = -amount;
      }
      let cur = clipPos(this.doc, from);
      for (let i = 0; i < amount; ++i) {
        let coords = cursorCoords(this, cur, "div");
        if (x == null)
          x = coords.left;
        else
          coords.left = x;
        cur = findPosV(this, coords, dir, unit);
        if (cur.hitSide)
          break;
      }
      return cur;
    },
    moveV: methodOp(function(dir, unit) {
      let doc = this.doc, goals = [];
      let collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected();
      doc.extendSelectionsBy((range2) => {
        if (collapse)
          return dir < 0 ? range2.from() : range2.to();
        let headPos = cursorCoords(this, range2.head, "div");
        if (range2.goalColumn != null)
          headPos.left = range2.goalColumn;
        goals.push(headPos.left);
        let pos = findPosV(this, headPos, dir, unit);
        if (unit == "page" && range2 == doc.sel.primary())
          addToScrollTop(this, charCoords(this, pos, "div").top - headPos.top);
        return pos;
      }, sel_move);
      if (goals.length)
        for (let i = 0; i < doc.sel.ranges.length; i++)
          doc.sel.ranges[i].goalColumn = goals[i];
    }),
    findWordAt: function(pos) {
      let doc = this.doc, line = getLine(doc, pos.line).text;
      let start = pos.ch, end = pos.ch;
      if (line) {
        let helper = this.getHelper(pos, "wordChars");
        if ((pos.sticky == "before" || end == line.length) && start)
          --start;
        else
          ++end;
        let startChar = line.charAt(start);
        let check = isWordChar(startChar, helper) ? (ch) => isWordChar(ch, helper) : /\s/.test(startChar) ? (ch) => /\s/.test(ch) : (ch) => !/\s/.test(ch) && !isWordChar(ch);
        while (start > 0 && check(line.charAt(start - 1)))
          --start;
        while (end < line.length && check(line.charAt(end)))
          ++end;
      }
      return new Range(Pos(pos.line, start), Pos(pos.line, end));
    },
    toggleOverwrite: function(value) {
      if (value != null && value == this.state.overwrite)
        return;
      if (this.state.overwrite = !this.state.overwrite)
        addClass(this.display.cursorDiv, "CodeMirror-overwrite");
      else
        rmClass(this.display.cursorDiv, "CodeMirror-overwrite");
      signal(this, "overwriteToggle", this, this.state.overwrite);
    },
    hasFocus: function() {
      return this.display.input.getField() == activeElt();
    },
    isReadOnly: function() {
      return !!(this.options.readOnly || this.doc.cantEdit);
    },
    scrollTo: methodOp(function(x, y) {
      scrollToCoords(this, x, y);
    }),
    getScrollInfo: function() {
      let scroller = this.display.scroller;
      return {
        left: scroller.scrollLeft,
        top: scroller.scrollTop,
        height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight,
        width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth,
        clientHeight: displayHeight(this),
        clientWidth: displayWidth(this)
      };
    },
    scrollIntoView: methodOp(function(range2, margin) {
      if (range2 == null) {
        range2 = {from: this.doc.sel.primary().head, to: null};
        if (margin == null)
          margin = this.options.cursorScrollMargin;
      } else if (typeof range2 == "number") {
        range2 = {from: Pos(range2, 0), to: null};
      } else if (range2.from == null) {
        range2 = {from: range2, to: null};
      }
      if (!range2.to)
        range2.to = range2.from;
      range2.margin = margin || 0;
      if (range2.from.line != null) {
        scrollToRange(this, range2);
      } else {
        scrollToCoordsRange(this, range2.from, range2.to, range2.margin);
      }
    }),
    setSize: methodOp(function(width, height) {
      let interpret = (val) => typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val;
      if (width != null)
        this.display.wrapper.style.width = interpret(width);
      if (height != null)
        this.display.wrapper.style.height = interpret(height);
      if (this.options.lineWrapping)
        clearLineMeasurementCache(this);
      let lineNo2 = this.display.viewFrom;
      this.doc.iter(lineNo2, this.display.viewTo, (line) => {
        if (line.widgets) {
          for (let i = 0; i < line.widgets.length; i++)
            if (line.widgets[i].noHScroll) {
              regLineChange(this, lineNo2, "widget");
              break;
            }
        }
        ++lineNo2;
      });
      this.curOp.forceUpdate = true;
      signal(this, "refresh", this);
    }),
    operation: function(f) {
      return runInOp(this, f);
    },
    startOperation: function() {
      return startOperation(this);
    },
    endOperation: function() {
      return endOperation(this);
    },
    refresh: methodOp(function() {
      let oldHeight = this.display.cachedTextHeight;
      regChange(this);
      this.curOp.forceUpdate = true;
      clearCaches(this);
      scrollToCoords(this, this.doc.scrollLeft, this.doc.scrollTop);
      updateGutterSpace(this.display);
      if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > 0.5 || this.options.lineWrapping)
        estimateLineHeights(this);
      signal(this, "refresh", this);
    }),
    swapDoc: methodOp(function(doc) {
      let old = this.doc;
      old.cm = null;
      if (this.state.selectingText)
        this.state.selectingText();
      attachDoc(this, doc);
      clearCaches(this);
      this.display.input.reset();
      scrollToCoords(this, doc.scrollLeft, doc.scrollTop);
      this.curOp.forceScroll = true;
      signalLater(this, "swapDoc", this, old);
      return old;
    }),
    phrase: function(phraseText) {
      let phrases = this.options.phrases;
      return phrases && Object.prototype.hasOwnProperty.call(phrases, phraseText) ? phrases[phraseText] : phraseText;
    },
    getInputField: function() {
      return this.display.input.getField();
    },
    getWrapperElement: function() {
      return this.display.wrapper;
    },
    getScrollerElement: function() {
      return this.display.scroller;
    },
    getGutterElement: function() {
      return this.display.gutters;
    }
  };
  eventMixin(CodeMirror2);
  CodeMirror2.registerHelper = function(type, name, value) {
    if (!helpers.hasOwnProperty(type))
      helpers[type] = CodeMirror2[type] = {_global: []};
    helpers[type][name] = value;
  };
  CodeMirror2.registerGlobalHelper = function(type, name, predicate, value) {
    CodeMirror2.registerHelper(type, name, value);
    helpers[type]._global.push({pred: predicate, val: value});
  };
}
function findPosH(doc, pos, dir, unit, visually) {
  let oldPos = pos;
  let origDir = dir;
  let lineObj = getLine(doc, pos.line);
  let lineDir = visually && doc.direction == "rtl" ? -dir : dir;
  function findNextLine() {
    let l = pos.line + lineDir;
    if (l < doc.first || l >= doc.first + doc.size)
      return false;
    pos = new Pos(l, pos.ch, pos.sticky);
    return lineObj = getLine(doc, l);
  }
  function moveOnce(boundToLine) {
    let next;
    if (unit == "codepoint") {
      let ch = lineObj.text.charCodeAt(pos.ch + (dir > 0 ? 0 : -1));
      if (isNaN(ch)) {
        next = null;
      } else {
        let astral = dir > 0 ? ch >= 55296 && ch < 56320 : ch >= 56320 && ch < 57343;
        next = new Pos(pos.line, Math.max(0, Math.min(lineObj.text.length, pos.ch + dir * (astral ? 2 : 1))), -dir);
      }
    } else if (visually) {
      next = moveVisually(doc.cm, lineObj, pos, dir);
    } else {
      next = moveLogically(lineObj, pos, dir);
    }
    if (next == null) {
      if (!boundToLine && findNextLine())
        pos = endOfLine(visually, doc.cm, lineObj, pos.line, lineDir);
      else
        return false;
    } else {
      pos = next;
    }
    return true;
  }
  if (unit == "char" || unit == "codepoint") {
    moveOnce();
  } else if (unit == "column") {
    moveOnce(true);
  } else if (unit == "word" || unit == "group") {
    let sawType = null, group = unit == "group";
    let helper = doc.cm && doc.cm.getHelper(pos, "wordChars");
    for (let first = true; ; first = false) {
      if (dir < 0 && !moveOnce(!first))
        break;
      let cur = lineObj.text.charAt(pos.ch) || "\n";
      let type = isWordChar(cur, helper) ? "w" : group && cur == "\n" ? "n" : !group || /\s/.test(cur) ? null : "p";
      if (group && !first && !type)
        type = "s";
      if (sawType && sawType != type) {
        if (dir < 0) {
          dir = 1;
          moveOnce();
          pos.sticky = "after";
        }
        break;
      }
      if (type)
        sawType = type;
      if (dir > 0 && !moveOnce(!first))
        break;
    }
  }
  let result = skipAtomic(doc, pos, oldPos, origDir, true);
  if (equalCursorPos(oldPos, result))
    result.hitSide = true;
  return result;
}
function findPosV(cm, pos, dir, unit) {
  let doc = cm.doc, x = pos.left, y;
  if (unit == "page") {
    let pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight);
    let moveAmount = Math.max(pageSize - 0.5 * textHeight(cm.display), 3);
    y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount;
  } else if (unit == "line") {
    y = dir > 0 ? pos.bottom + 3 : pos.top - 3;
  }
  let target;
  for (; ; ) {
    target = coordsChar(cm, x, y);
    if (!target.outside)
      break;
    if (dir < 0 ? y <= 0 : y >= doc.height) {
      target.hitSide = true;
      break;
    }
    y += dir * 5;
  }
  return target;
}

// node_modules/codemirror/src/input/ContentEditableInput.js
var ContentEditableInput = class {
  constructor(cm) {
    this.cm = cm;
    this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null;
    this.polling = new Delayed();
    this.composing = null;
    this.gracePeriod = false;
    this.readDOMTimeout = null;
  }
  init(display) {
    let input = this, cm = input.cm;
    let div = input.div = display.lineDiv;
    div.contentEditable = true;
    disableBrowserMagic(div, cm.options.spellcheck, cm.options.autocorrect, cm.options.autocapitalize);
    function belongsToInput(e) {
      for (let t = e.target; t; t = t.parentNode) {
        if (t == div)
          return true;
        if (/\bCodeMirror-(?:line)?widget\b/.test(t.className))
          break;
      }
      return false;
    }
    on(div, "paste", (e) => {
      if (!belongsToInput(e) || signalDOMEvent(cm, e) || handlePaste(e, cm))
        return;
      if (ie_version <= 11)
        setTimeout(operation(cm, () => this.updateFromDOM()), 20);
    });
    on(div, "compositionstart", (e) => {
      this.composing = {data: e.data, done: false};
    });
    on(div, "compositionupdate", (e) => {
      if (!this.composing)
        this.composing = {data: e.data, done: false};
    });
    on(div, "compositionend", (e) => {
      if (this.composing) {
        if (e.data != this.composing.data)
          this.readFromDOMSoon();
        this.composing.done = true;
      }
    });
    on(div, "touchstart", () => input.forceCompositionEnd());
    on(div, "input", () => {
      if (!this.composing)
        this.readFromDOMSoon();
    });
    function onCopyCut(e) {
      if (!belongsToInput(e) || signalDOMEvent(cm, e))
        return;
      if (cm.somethingSelected()) {
        setLastCopied({lineWise: false, text: cm.getSelections()});
        if (e.type == "cut")
          cm.replaceSelection("", null, "cut");
      } else if (!cm.options.lineWiseCopyCut) {
        return;
      } else {
        let ranges = copyableRanges(cm);
        setLastCopied({lineWise: true, text: ranges.text});
        if (e.type == "cut") {
          cm.operation(() => {
            cm.setSelections(ranges.ranges, 0, sel_dontScroll);
            cm.replaceSelection("", null, "cut");
          });
        }
      }
      if (e.clipboardData) {
        e.clipboardData.clearData();
        let content = lastCopied.text.join("\n");
        e.clipboardData.setData("Text", content);
        if (e.clipboardData.getData("Text") == content) {
          e.preventDefault();
          return;
        }
      }
      let kludge = hiddenTextarea(), te = kludge.firstChild;
      cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild);
      te.value = lastCopied.text.join("\n");
      let hadFocus = activeElt();
      selectInput(te);
      setTimeout(() => {
        cm.display.lineSpace.removeChild(kludge);
        hadFocus.focus();
        if (hadFocus == div)
          input.showPrimarySelection();
      }, 50);
    }
    on(div, "copy", onCopyCut);
    on(div, "cut", onCopyCut);
  }
  screenReaderLabelChanged(label) {
    if (label) {
      this.div.setAttribute("aria-label", label);
    } else {
      this.div.removeAttribute("aria-label");
    }
  }
  prepareSelection() {
    let result = prepareSelection(this.cm, false);
    result.focus = activeElt() == this.div;
    return result;
  }
  showSelection(info, takeFocus) {
    if (!info || !this.cm.display.view.length)
      return;
    if (info.focus || takeFocus)
      this.showPrimarySelection();
    this.showMultipleSelections(info);
  }
  getSelection() {
    return this.cm.display.wrapper.ownerDocument.getSelection();
  }
  showPrimarySelection() {
    let sel = this.getSelection(), cm = this.cm, prim = cm.doc.sel.primary();
    let from = prim.from(), to = prim.to();
    if (cm.display.viewTo == cm.display.viewFrom || from.line >= cm.display.viewTo || to.line < cm.display.viewFrom) {
      sel.removeAllRanges();
      return;
    }
    let curAnchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);
    let curFocus = domToPos(cm, sel.focusNode, sel.focusOffset);
    if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad && cmp(minPos(curAnchor, curFocus), from) == 0 && cmp(maxPos(curAnchor, curFocus), to) == 0)
      return;
    let view = cm.display.view;
    let start = from.line >= cm.display.viewFrom && posToDOM(cm, from) || {node: view[0].measure.map[2], offset: 0};
    let end = to.line < cm.display.viewTo && posToDOM(cm, to);
    if (!end) {
      let measure = view[view.length - 1].measure;
      let map2 = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map;
      end = {node: map2[map2.length - 1], offset: map2[map2.length - 2] - map2[map2.length - 3]};
    }
    if (!start || !end) {
      sel.removeAllRanges();
      return;
    }
    let old = sel.rangeCount && sel.getRangeAt(0), rng;
    try {
      rng = range(start.node, start.offset, end.offset, end.node);
    } catch (e) {
    }
    if (rng) {
      if (!gecko && cm.state.focused) {
        sel.collapse(start.node, start.offset);
        if (!rng.collapsed) {
          sel.removeAllRanges();
          sel.addRange(rng);
        }
      } else {
        sel.removeAllRanges();
        sel.addRange(rng);
      }
      if (old && sel.anchorNode == null)
        sel.addRange(old);
      else if (gecko)
        this.startGracePeriod();
    }
    this.rememberSelection();
  }
  startGracePeriod() {
    clearTimeout(this.gracePeriod);
    this.gracePeriod = setTimeout(() => {
      this.gracePeriod = false;
      if (this.selectionChanged())
        this.cm.operation(() => this.cm.curOp.selectionChanged = true);
    }, 20);
  }
  showMultipleSelections(info) {
    removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors);
    removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection);
  }
  rememberSelection() {
    let sel = this.getSelection();
    this.lastAnchorNode = sel.anchorNode;
    this.lastAnchorOffset = sel.anchorOffset;
    this.lastFocusNode = sel.focusNode;
    this.lastFocusOffset = sel.focusOffset;
  }
  selectionInEditor() {
    let sel = this.getSelection();
    if (!sel.rangeCount)
      return false;
    let node = sel.getRangeAt(0).commonAncestorContainer;
    return contains(this.div, node);
  }
  focus() {
    if (this.cm.options.readOnly != "nocursor") {
      if (!this.selectionInEditor() || activeElt() != this.div)
        this.showSelection(this.prepareSelection(), true);
      this.div.focus();
    }
  }
  blur() {
    this.div.blur();
  }
  getField() {
    return this.div;
  }
  supportsTouch() {
    return true;
  }
  receivedFocus() {
    let input = this;
    if (this.selectionInEditor())
      this.pollSelection();
    else
      runInOp(this.cm, () => input.cm.curOp.selectionChanged = true);
    function poll() {
      if (input.cm.state.focused) {
        input.pollSelection();
        input.polling.set(input.cm.options.pollInterval, poll);
      }
    }
    this.polling.set(this.cm.options.pollInterval, poll);
  }
  selectionChanged() {
    let sel = this.getSelection();
    return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset || sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset;
  }
  pollSelection() {
    if (this.readDOMTimeout != null || this.gracePeriod || !this.selectionChanged())
      return;
    let sel = this.getSelection(), cm = this.cm;
    if (android && chrome && this.cm.display.gutterSpecs.length && isInGutter(sel.anchorNode)) {
      this.cm.triggerOnKeyDown({type: "keydown", keyCode: 8, preventDefault: Math.abs});
      this.blur();
      this.focus();
      return;
    }
    if (this.composing)
      return;
    this.rememberSelection();
    let anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);
    let head = domToPos(cm, sel.focusNode, sel.focusOffset);
    if (anchor && head)
      runInOp(cm, () => {
        setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll);
        if (anchor.bad || head.bad)
          cm.curOp.selectionChanged = true;
      });
  }
  pollContent() {
    if (this.readDOMTimeout != null) {
      clearTimeout(this.readDOMTimeout);
      this.readDOMTimeout = null;
    }
    let cm = this.cm, display = cm.display, sel = cm.doc.sel.primary();
    let from = sel.from(), to = sel.to();
    if (from.ch == 0 && from.line > cm.firstLine())
      from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length);
    if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine())
      to = Pos(to.line + 1, 0);
    if (from.line < display.viewFrom || to.line > display.viewTo - 1)
      return false;
    let fromIndex, fromLine, fromNode;
    if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) {
      fromLine = lineNo(display.view[0].line);
      fromNode = display.view[0].node;
    } else {
      fromLine = lineNo(display.view[fromIndex].line);
      fromNode = display.view[fromIndex - 1].node.nextSibling;
    }
    let toIndex = findViewIndex(cm, to.line);
    let toLine, toNode;
    if (toIndex == display.view.length - 1) {
      toLine = display.viewTo - 1;
      toNode = display.lineDiv.lastChild;
    } else {
      toLine = lineNo(display.view[toIndex + 1].line) - 1;
      toNode = display.view[toIndex + 1].node.previousSibling;
    }
    if (!fromNode)
      return false;
    let newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine));
    let oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length));
    while (newText.length > 1 && oldText.length > 1) {
      if (lst(newText) == lst(oldText)) {
        newText.pop();
        oldText.pop();
        toLine--;
      } else if (newText[0] == oldText[0]) {
        newText.shift();
        oldText.shift();
        fromLine++;
      } else
        break;
    }
    let cutFront = 0, cutEnd = 0;
    let newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length);
    while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront))
      ++cutFront;
    let newBot = lst(newText), oldBot = lst(oldText);
    let maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0), oldBot.length - (oldText.length == 1 ? cutFront : 0));
    while (cutEnd < maxCutEnd && newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1))
      ++cutEnd;
    if (newText.length == 1 && oldText.length == 1 && fromLine == from.line) {
      while (cutFront && cutFront > from.ch && newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) {
        cutFront--;
        cutEnd++;
      }
    }
    newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\u200b+/, "");
    newText[0] = newText[0].slice(cutFront).replace(/\u200b+$/, "");
    let chFrom = Pos(fromLine, cutFront);
    let chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0);
    if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) {
      replaceRange(cm.doc, newText, chFrom, chTo, "+input");
      return true;
    }
  }
  ensurePolled() {
    this.forceCompositionEnd();
  }
  reset() {
    this.forceCompositionEnd();
  }
  forceCompositionEnd() {
    if (!this.composing)
      return;
    clearTimeout(this.readDOMTimeout);
    this.composing = null;
    this.updateFromDOM();
    this.div.blur();
    this.div.focus();
  }
  readFromDOMSoon() {
    if (this.readDOMTimeout != null)
      return;
    this.readDOMTimeout = setTimeout(() => {
      this.readDOMTimeout = null;
      if (this.composing) {
        if (this.composing.done)
          this.composing = null;
        else
          return;
      }
      this.updateFromDOM();
    }, 80);
  }
  updateFromDOM() {
    if (this.cm.isReadOnly() || !this.pollContent())
      runInOp(this.cm, () => regChange(this.cm));
  }
  setUneditable(node) {
    node.contentEditable = "false";
  }
  onKeyPress(e) {
    if (e.charCode == 0 || this.composing)
      return;
    e.preventDefault();
    if (!this.cm.isReadOnly())
      operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0);
  }
  readOnlyChanged(val) {
    this.div.contentEditable = String(val != "nocursor");
  }
  onContextMenu() {
  }
  resetPosition() {
  }
};
var ContentEditableInput_default = ContentEditableInput;
ContentEditableInput.prototype.needsContentAttribute = true;
function posToDOM(cm, pos) {
  let view = findViewForLine(cm, pos.line);
  if (!view || view.hidden)
    return null;
  let line = getLine(cm.doc, pos.line);
  let info = mapFromLineView(view, line, pos.line);
  let order = getOrder(line, cm.doc.direction), side = "left";
  if (order) {
    let partPos = getBidiPartAt(order, pos.ch);
    side = partPos % 2 ? "right" : "left";
  }
  let result = nodeAndOffsetInLineMap(info.map, pos.ch, side);
  result.offset = result.collapse == "right" ? result.end : result.start;
  return result;
}
function isInGutter(node) {
  for (let scan = node; scan; scan = scan.parentNode)
    if (/CodeMirror-gutter-wrapper/.test(scan.className))
      return true;
  return false;
}
function badPos(pos, bad) {
  if (bad)
    pos.bad = true;
  return pos;
}
function domTextBetween(cm, from, to, fromLine, toLine) {
  let text = "", closing = false, lineSep = cm.doc.lineSeparator(), extraLinebreak = false;
  function recognizeMarker(id) {
    return (marker) => marker.id == id;
  }
  function close() {
    if (closing) {
      text += lineSep;
      if (extraLinebreak)
        text += lineSep;
      closing = extraLinebreak = false;
    }
  }
  function addText(str) {
    if (str) {
      close();
      text += str;
    }
  }
  function walk(node) {
    if (node.nodeType == 1) {
      let cmText = node.getAttribute("cm-text");
      if (cmText) {
        addText(cmText);
        return;
      }
      let markerID = node.getAttribute("cm-marker"), range2;
      if (markerID) {
        let found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID));
        if (found.length && (range2 = found[0].find(0)))
          addText(getBetween(cm.doc, range2.from, range2.to).join(lineSep));
        return;
      }
      if (node.getAttribute("contenteditable") == "false")
        return;
      let isBlock = /^(pre|div|p|li|table|br)$/i.test(node.nodeName);
      if (!/^br$/i.test(node.nodeName) && node.textContent.length == 0)
        return;
      if (isBlock)
        close();
      for (let i = 0; i < node.childNodes.length; i++)
        walk(node.childNodes[i]);
      if (/^(pre|p)$/i.test(node.nodeName))
        extraLinebreak = true;
      if (isBlock)
        closing = true;
    } else if (node.nodeType == 3) {
      addText(node.nodeValue.replace(/\u200b/g, "").replace(/\u00a0/g, " "));
    }
  }
  for (; ; ) {
    walk(from);
    if (from == to)
      break;
    from = from.nextSibling;
    extraLinebreak = false;
  }
  return text;
}
function domToPos(cm, node, offset) {
  let lineNode;
  if (node == cm.display.lineDiv) {
    lineNode = cm.display.lineDiv.childNodes[offset];
    if (!lineNode)
      return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true);
    node = null;
    offset = 0;
  } else {
    for (lineNode = node; ; lineNode = lineNode.parentNode) {
      if (!lineNode || lineNode == cm.display.lineDiv)
        return null;
      if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv)
        break;
    }
  }
  for (let i = 0; i < cm.display.view.length; i++) {
    let lineView = cm.display.view[i];
    if (lineView.node == lineNode)
      return locateNodeInLineView(lineView, node, offset);
  }
}
function locateNodeInLineView(lineView, node, offset) {
  let wrapper = lineView.text.firstChild, bad = false;
  if (!node || !contains(wrapper, node))
    return badPos(Pos(lineNo(lineView.line), 0), true);
  if (node == wrapper) {
    bad = true;
    node = wrapper.childNodes[offset];
    offset = 0;
    if (!node) {
      let line = lineView.rest ? lst(lineView.rest) : lineView.line;
      return badPos(Pos(lineNo(line), line.text.length), bad);
    }
  }
  let textNode = node.nodeType == 3 ? node : null, topNode = node;
  if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) {
    textNode = node.firstChild;
    if (offset)
      offset = textNode.nodeValue.length;
  }
  while (topNode.parentNode != wrapper)
    topNode = topNode.parentNode;
  let measure = lineView.measure, maps = measure.maps;
  function find(textNode2, topNode2, offset2) {
    for (let i = -1; i < (maps ? maps.length : 0); i++) {
      let map2 = i < 0 ? measure.map : maps[i];
      for (let j = 0; j < map2.length; j += 3) {
        let curNode = map2[j + 2];
        if (curNode == textNode2 || curNode == topNode2) {
          let line = lineNo(i < 0 ? lineView.line : lineView.rest[i]);
          let ch = map2[j] + offset2;
          if (offset2 < 0 || curNode != textNode2)
            ch = map2[j + (offset2 ? 1 : 0)];
          return Pos(line, ch);
        }
      }
    }
  }
  let found = find(textNode, topNode, offset);
  if (found)
    return badPos(found, bad);
  for (let after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) {
    found = find(after, after.firstChild, 0);
    if (found)
      return badPos(Pos(found.line, found.ch - dist), bad);
    else
      dist += after.textContent.length;
  }
  for (let before = topNode.previousSibling, dist = offset; before; before = before.previousSibling) {
    found = find(before, before.firstChild, -1);
    if (found)
      return badPos(Pos(found.line, found.ch + dist), bad);
    else
      dist += before.textContent.length;
  }
}

// node_modules/codemirror/src/input/TextareaInput.js
var TextareaInput = class {
  constructor(cm) {
    this.cm = cm;
    this.prevInput = "";
    this.pollingFast = false;
    this.polling = new Delayed();
    this.hasSelection = false;
    this.composing = null;
  }
  init(display) {
    let input = this, cm = this.cm;
    this.createField(display);
    const te = this.textarea;
    display.wrapper.insertBefore(this.wrapper, display.wrapper.firstChild);
    if (ios)
      te.style.width = "0px";
    on(te, "input", () => {
      if (ie && ie_version >= 9 && this.hasSelection)
        this.hasSelection = null;
      input.poll();
    });
    on(te, "paste", (e) => {
      if (signalDOMEvent(cm, e) || handlePaste(e, cm))
        return;
      cm.state.pasteIncoming = +new Date();
      input.fastPoll();
    });
    function prepareCopyCut(e) {
      if (signalDOMEvent(cm, e))
        return;
      if (cm.somethingSelected()) {
        setLastCopied({lineWise: false, text: cm.getSelections()});
      } else if (!cm.options.lineWiseCopyCut) {
        return;
      } else {
        let ranges = copyableRanges(cm);
        setLastCopied({lineWise: true, text: ranges.text});
        if (e.type == "cut") {
          cm.setSelections(ranges.ranges, null, sel_dontScroll);
        } else {
          input.prevInput = "";
          te.value = ranges.text.join("\n");
          selectInput(te);
        }
      }
      if (e.type == "cut")
        cm.state.cutIncoming = +new Date();
    }
    on(te, "cut", prepareCopyCut);
    on(te, "copy", prepareCopyCut);
    on(display.scroller, "paste", (e) => {
      if (eventInWidget(display, e) || signalDOMEvent(cm, e))
        return;
      if (!te.dispatchEvent) {
        cm.state.pasteIncoming = +new Date();
        input.focus();
        return;
      }
      const event = new Event("paste");
      event.clipboardData = e.clipboardData;
      te.dispatchEvent(event);
    });
    on(display.lineSpace, "selectstart", (e) => {
      if (!eventInWidget(display, e))
        e_preventDefault(e);
    });
    on(te, "compositionstart", () => {
      let start = cm.getCursor("from");
      if (input.composing)
        input.composing.range.clear();
      input.composing = {
        start,
        range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"})
      };
    });
    on(te, "compositionend", () => {
      if (input.composing) {
        input.poll();
        input.composing.range.clear();
        input.composing = null;
      }
    });
  }
  createField(_display) {
    this.wrapper = hiddenTextarea();
    this.textarea = this.wrapper.firstChild;
  }
  screenReaderLabelChanged(label) {
    if (label) {
      this.textarea.setAttribute("aria-label", label);
    } else {
      this.textarea.removeAttribute("aria-label");
    }
  }
  prepareSelection() {
    let cm = this.cm, display = cm.display, doc = cm.doc;
    let result = prepareSelection(cm);
    if (cm.options.moveInputWithCursor) {
      let headPos = cursorCoords(cm, doc.sel.primary().head, "div");
      let wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();
      result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10, headPos.top + lineOff.top - wrapOff.top));
      result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10, headPos.left + lineOff.left - wrapOff.left));
    }
    return result;
  }
  showSelection(drawn) {
    let cm = this.cm, display = cm.display;
    removeChildrenAndAdd(display.cursorDiv, drawn.cursors);
    removeChildrenAndAdd(display.selectionDiv, drawn.selection);
    if (drawn.teTop != null) {
      this.wrapper.style.top = drawn.teTop + "px";
      this.wrapper.style.left = drawn.teLeft + "px";
    }
  }
  reset(typing) {
    if (this.contextMenuPending || this.composing)
      return;
    let cm = this.cm;
    if (cm.somethingSelected()) {
      this.prevInput = "";
      let content = cm.getSelection();
      this.textarea.value = content;
      if (cm.state.focused)
        selectInput(this.textarea);
      if (ie && ie_version >= 9)
        this.hasSelection = content;
    } else if (!typing) {
      this.prevInput = this.textarea.value = "";
      if (ie && ie_version >= 9)
        this.hasSelection = null;
    }
  }
  getField() {
    return this.textarea;
  }
  supportsTouch() {
    return false;
  }
  focus() {
    if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) {
      try {
        this.textarea.focus();
      } catch (e) {
      }
    }
  }
  blur() {
    this.textarea.blur();
  }
  resetPosition() {
    this.wrapper.style.top = this.wrapper.style.left = 0;
  }
  receivedFocus() {
    this.slowPoll();
  }
  slowPoll() {
    if (this.pollingFast)
      return;
    this.polling.set(this.cm.options.pollInterval, () => {
      this.poll();
      if (this.cm.state.focused)
        this.slowPoll();
    });
  }
  fastPoll() {
    let missed = false, input = this;
    input.pollingFast = true;
    function p() {
      let changed = input.poll();
      if (!changed && !missed) {
        missed = true;
        input.polling.set(60, p);
      } else {
        input.pollingFast = false;
        input.slowPoll();
      }
    }
    input.polling.set(20, p);
  }
  poll() {
    let cm = this.cm, input = this.textarea, prevInput = this.prevInput;
    if (this.contextMenuPending || !cm.state.focused || hasSelection(input) && !prevInput && !this.composing || cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq)
      return false;
    let text = input.value;
    if (text == prevInput && !cm.somethingSelected())
      return false;
    if (ie && ie_version >= 9 && this.hasSelection === text || mac && /[\uf700-\uf7ff]/.test(text)) {
      cm.display.input.reset();
      return false;
    }
    if (cm.doc.sel == cm.display.selForContextMenu) {
      let first = text.charCodeAt(0);
      if (first == 8203 && !prevInput)
        prevInput = "\u200B";
      if (first == 8666) {
        this.reset();
        return this.cm.execCommand("undo");
      }
    }
    let same = 0, l = Math.min(prevInput.length, text.length);
    while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same))
      ++same;
    runInOp(cm, () => {
      applyTextInput(cm, text.slice(same), prevInput.length - same, null, this.composing ? "*compose" : null);
      if (text.length > 1e3 || text.indexOf("\n") > -1)
        input.value = this.prevInput = "";
      else
        this.prevInput = text;
      if (this.composing) {
        this.composing.range.clear();
        this.composing.range = cm.markText(this.composing.start, cm.getCursor("to"), {className: "CodeMirror-composing"});
      }
    });
    return true;
  }
  ensurePolled() {
    if (this.pollingFast && this.poll())
      this.pollingFast = false;
  }
  onKeyPress() {
    if (ie && ie_version >= 9)
      this.hasSelection = null;
    this.fastPoll();
  }
  onContextMenu(e) {
    let input = this, cm = input.cm, display = cm.display, te = input.textarea;
    if (input.contextMenuPending)
      input.contextMenuPending();
    let pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;
    if (!pos || presto)
      return;
    let reset = cm.options.resetSelectionOnContextMenu;
    if (reset && cm.doc.sel.contains(pos) == -1)
      operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll);
    let oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText;
    let wrapperBox = input.wrapper.offsetParent.getBoundingClientRect();
    input.wrapper.style.cssText = "position: static";
    te.style.cssText = `position: absolute; width: 30px; height: 30px;
      top: ${e.clientY - wrapperBox.top - 5}px; left: ${e.clientX - wrapperBox.left - 5}px;
      z-index: 1000; background: ${ie ? "rgba(255, 255, 255, .05)" : "transparent"};
      outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);`;
    let oldScrollY;
    if (webkit)
      oldScrollY = window.scrollY;
    display.input.focus();
    if (webkit)
      window.scrollTo(null, oldScrollY);
    display.input.reset();
    if (!cm.somethingSelected())
      te.value = input.prevInput = " ";
    input.contextMenuPending = rehide;
    display.selForContextMenu = cm.doc.sel;
    clearTimeout(display.detectingSelectAll);
    function prepareSelectAllHack() {
      if (te.selectionStart != null) {
        let selected = cm.somethingSelected();
        let extval = "\u200B" + (selected ? te.value : "");
        te.value = "\u21DA";
        te.value = extval;
        input.prevInput = selected ? "" : "\u200B";
        te.selectionStart = 1;
        te.selectionEnd = extval.length;
        display.selForContextMenu = cm.doc.sel;
      }
    }
    function rehide() {
      if (input.contextMenuPending != rehide)
        return;
      input.contextMenuPending = false;
      input.wrapper.style.cssText = oldWrapperCSS;
      te.style.cssText = oldCSS;
      if (ie && ie_version < 9)
        display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos);
      if (te.selectionStart != null) {
        if (!ie || ie && ie_version < 9)
          prepareSelectAllHack();
        let i = 0, poll = () => {
          if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 && te.selectionEnd > 0 && input.prevInput == "\u200B") {
            operation(cm, selectAll)(cm);
          } else if (i++ < 10) {
            display.detectingSelectAll = setTimeout(poll, 500);
          } else {
            display.selForContextMenu = null;
            display.input.reset();
          }
        };
        display.detectingSelectAll = setTimeout(poll, 200);
      }
    }
    if (ie && ie_version >= 9)
      prepareSelectAllHack();
    if (captureRightClick) {
      e_stop(e);
      let mouseup = () => {
        off(window, "mouseup", mouseup);
        setTimeout(rehide, 20);
      };
      on(window, "mouseup", mouseup);
    } else {
      setTimeout(rehide, 50);
    }
  }
  readOnlyChanged(val) {
    if (!val)
      this.reset();
    this.textarea.disabled = val == "nocursor";
    this.textarea.readOnly = !!val;
  }
  setUneditable() {
  }
};
var TextareaInput_default = TextareaInput;
TextareaInput.prototype.needsContentAttribute = false;

// node_modules/codemirror/src/edit/fromTextArea.js
function fromTextArea(textarea, options) {
  options = options ? copyObj(options) : {};
  options.value = textarea.value;
  if (!options.tabindex && textarea.tabIndex)
    options.tabindex = textarea.tabIndex;
  if (!options.placeholder && textarea.placeholder)
    options.placeholder = textarea.placeholder;
  if (options.autofocus == null) {
    let hasFocus = activeElt();
    options.autofocus = hasFocus == textarea || textarea.getAttribute("autofocus") != null && hasFocus == document.body;
  }
  function save() {
    textarea.value = cm.getValue();
  }
  let realSubmit;
  if (textarea.form) {
    on(textarea.form, "submit", save);
    if (!options.leaveSubmitMethodAlone) {
      let form = textarea.form;
      realSubmit = form.submit;
      try {
        let wrappedSubmit = form.submit = () => {
          save();
          form.submit = realSubmit;
          form.submit();
          form.submit = wrappedSubmit;
        };
      } catch (e) {
      }
    }
  }
  options.finishInit = (cm2) => {
    cm2.save = save;
    cm2.getTextArea = () => textarea;
    cm2.toTextArea = () => {
      cm2.toTextArea = isNaN;
      save();
      textarea.parentNode.removeChild(cm2.getWrapperElement());
      textarea.style.display = "";
      if (textarea.form) {
        off(textarea.form, "submit", save);
        if (!options.leaveSubmitMethodAlone && typeof textarea.form.submit == "function")
          textarea.form.submit = realSubmit;
      }
    };
  };
  textarea.style.display = "none";
  let cm = CodeMirror((node) => textarea.parentNode.insertBefore(node, textarea.nextSibling), options);
  return cm;
}

// node_modules/codemirror/src/edit/legacy.js
function addLegacyProps(CodeMirror2) {
  CodeMirror2.off = off;
  CodeMirror2.on = on;
  CodeMirror2.wheelEventPixels = wheelEventPixels;
  CodeMirror2.Doc = Doc_default;
  CodeMirror2.splitLines = splitLinesAuto;
  CodeMirror2.countColumn = countColumn;
  CodeMirror2.findColumn = findColumn;
  CodeMirror2.isWordChar = isWordCharBasic;
  CodeMirror2.Pass = Pass;
  CodeMirror2.signal = signal;
  CodeMirror2.Line = Line;
  CodeMirror2.changeEnd = changeEnd;
  CodeMirror2.scrollbarModel = scrollbarModel;
  CodeMirror2.Pos = Pos;
  CodeMirror2.cmpPos = cmp;
  CodeMirror2.modes = modes;
  CodeMirror2.mimeModes = mimeModes;
  CodeMirror2.resolveMode = resolveMode;
  CodeMirror2.getMode = getMode;
  CodeMirror2.modeExtensions = modeExtensions;
  CodeMirror2.extendMode = extendMode;
  CodeMirror2.copyState = copyState;
  CodeMirror2.startState = startState;
  CodeMirror2.innerMode = innerMode;
  CodeMirror2.commands = commands;
  CodeMirror2.keyMap = keyMap;
  CodeMirror2.keyName = keyName;
  CodeMirror2.isModifierKey = isModifierKey;
  CodeMirror2.lookupKey = lookupKey;
  CodeMirror2.normalizeKeyMap = normalizeKeyMap;
  CodeMirror2.StringStream = StringStream_default;
  CodeMirror2.SharedTextMarker = SharedTextMarker;
  CodeMirror2.TextMarker = TextMarker;
  CodeMirror2.LineWidget = LineWidget;
  CodeMirror2.e_preventDefault = e_preventDefault;
  CodeMirror2.e_stopPropagation = e_stopPropagation;
  CodeMirror2.e_stop = e_stop;
  CodeMirror2.addClass = addClass;
  CodeMirror2.contains = contains;
  CodeMirror2.rmClass = rmClass;
  CodeMirror2.keyNames = keyNames;
}

// node_modules/codemirror/src/edit/main.js
defineOptions(CodeMirror);
methods_default(CodeMirror);
var dontDelegate = "iter insert remove copy getEditor constructor".split(" ");
for (let prop in Doc_default.prototype)
  if (Doc_default.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0)
    CodeMirror.prototype[prop] = function(method) {
      return function() {
        return method.apply(this.doc, arguments);
      };
    }(Doc_default.prototype[prop]);
eventMixin(Doc_default);
CodeMirror.inputStyles = {"textarea": TextareaInput_default, "contenteditable": ContentEditableInput_default};
CodeMirror.defineMode = function(name) {
  if (!CodeMirror.defaults.mode && name != "null")
    CodeMirror.defaults.mode = name;
  defineMode.apply(this, arguments);
};
CodeMirror.defineMIME = defineMIME;
CodeMirror.defineMode("null", () => ({token: (stream) => stream.skipToEnd()}));
CodeMirror.defineMIME("text/plain", "null");
CodeMirror.defineExtension = (name, func) => {
  CodeMirror.prototype[name] = func;
};
CodeMirror.defineDocExtension = (name, func) => {
  Doc_default.prototype[name] = func;
};
CodeMirror.fromTextArea = fromTextArea;
addLegacyProps(CodeMirror);
CodeMirror.version = "5.61.0";

// node_modules/codemirror/src/codemirror.js
var codemirror_default = CodeMirror;

// src/styling.js
var CODE_MIRROR_CSS_CONTENT = `
/* BASICS */

.CodeMirror {
  /* Set height, width, borders, and global font properties here */
  font-family: monospace;
  height: auto;
  color: black;
  direction: ltr;
}

/* PADDING */

.CodeMirror-lines {
  padding: 4px 0; /* Vertical padding around content */
}
.CodeMirror pre.CodeMirror-line,
.CodeMirror pre.CodeMirror-line-like {
  padding: 0 4px; /* Horizontal padding of content */
}

.CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler {
  background-color: white; /* The little square between H and V scrollbars */
}

/* GUTTER */

.CodeMirror-gutters {
  border-right: 1px solid #ddd;
  background-color: #f7f7f7;
  white-space: nowrap;
}
.CodeMirror-linenumbers {}
.CodeMirror-linenumber {
  padding: 0 3px 0 5px;
  min-width: 20px;
  text-align: right;
  color: #999;
  white-space: nowrap;
}

.CodeMirror-guttermarker { color: black; }
.CodeMirror-guttermarker-subtle { color: #999; }

/* CURSOR */

.CodeMirror-cursor {
  border-left: 1px solid black;
  border-right: none;
  width: 0;
}
/* Shown when moving in bi-directional text */
.CodeMirror div.CodeMirror-secondarycursor {
  border-left: 1px solid silver;
}
.cm-fat-cursor .CodeMirror-cursor {
  width: auto;
  border: 0 !important;
  background: #7e7;
}
.cm-fat-cursor div.CodeMirror-cursors {
  z-index: 1;
}
.cm-fat-cursor-mark {
  background-color: rgba(20, 255, 20, 0.5);
  -webkit-animation: blink 1.06s steps(1) infinite;
  -moz-animation: blink 1.06s steps(1) infinite;
  animation: blink 1.06s steps(1) infinite;
}
.cm-animate-fat-cursor {
  width: auto;
  border: 0;
  -webkit-animation: blink 1.06s steps(1) infinite;
  -moz-animation: blink 1.06s steps(1) infinite;
  animation: blink 1.06s steps(1) infinite;
  background-color: #7e7;
}
@-moz-keyframes blink {
  0% {}
  50% { background-color: transparent; }
  100% {}
}
@-webkit-keyframes blink {
  0% {}
  50% { background-color: transparent; }
  100% {}
}
@keyframes blink {
  0% {}
  50% { background-color: transparent; }
  100% {}
}

/* Can style cursor different in overwrite (non-insert) mode */
.CodeMirror-overwrite .CodeMirror-cursor {}

.cm-tab { display: inline-block; text-decoration: inherit; }

.CodeMirror-rulers {
  position: absolute;
  left: 0; right: 0; top: -50px; bottom: 0;
  overflow: hidden;
}
.CodeMirror-ruler {
  border-left: 1px solid #ccc;
  top: 0; bottom: 0;
  position: absolute;
}

/* DEFAULT THEME */

.cm-s-default .cm-header {color: blue;}
.cm-s-default .cm-quote {color: #090;}
.cm-negative {color: #d44;}
.cm-positive {color: #292;}
.cm-header, .cm-strong {font-weight: bold;}
.cm-em {font-style: italic;}
.cm-link {text-decoration: underline;}
.cm-strikethrough {text-decoration: line-through;}

.cm-s-default .cm-keyword {color: #708;}
.cm-s-default .cm-atom {color: #219;}
.cm-s-default .cm-number {color: #164;}
.cm-s-default .cm-def {color: #00f;}
.cm-s-default .cm-variable,
.cm-s-default .cm-punctuation,
.cm-s-default .cm-property,
.cm-s-default .cm-operator {}
.cm-s-default .cm-variable-2 {color: #05a;}
.cm-s-default .cm-variable-3, .cm-s-default .cm-type {color: #085;}
.cm-s-default .cm-comment {color: #a50;}
.cm-s-default .cm-string {color: #a11;}
.cm-s-default .cm-string-2 {color: #f50;}
.cm-s-default .cm-meta {color: #555;}
.cm-s-default .cm-qualifier {color: #555;}
.cm-s-default .cm-builtin {color: #30a;}
.cm-s-default .cm-bracket {color: #997;}
.cm-s-default .cm-tag {color: #170;}
.cm-s-default .cm-attribute {color: #00c;}
.cm-s-default .cm-hr {color: #999;}
.cm-s-default .cm-link {color: #00c;}

.cm-s-default .cm-error {color: #f00;}
.cm-invalidchar {color: #f00;}

.CodeMirror-composing { border-bottom: 2px solid; }

/* Default styles for common addons */

div.CodeMirror span.CodeMirror-matchingbracket {color: #0b0;}
div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #a22;}
.CodeMirror-matchingtag { background: rgba(255, 150, 0, .3); }
.CodeMirror-activeline-background {background: #e8f2ff;}

/* STOP */

/* The rest of this file contains styles related to the mechanics of
    the editor. You probably shouldn't touch them. */

.CodeMirror {
  position: relative;
  overflow: hidden;
  background: white;
}

.CodeMirror-scroll {
  overflow: scroll !important; /* Things will break if this is overridden */
  /* 50px is the magic margin used to hide the element's real scrollbars */
  /* See overflow: hidden in .CodeMirror */
  margin-bottom: -50px; margin-right: -50px;
  padding-bottom: 50px;
  height: 100%;
  outline: none; /* Prevent dragging from highlighting the element */
  position: relative;
}
.CodeMirror-sizer {
  position: relative;
  border-right: 50px solid transparent;
}

/* The fake, visible scrollbars. Used to force redraw during scrolling
    before actual scrolling happens, thus preventing shaking and
    flickering artifacts. */
.CodeMirror-vscrollbar, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler {
  position: absolute;
  z-index: 6;
  display: none;
}
.CodeMirror-vscrollbar {
  right: 0; top: 0;
  overflow-x: hidden;
  overflow-y: scroll;
}
.CodeMirror-hscrollbar {
  bottom: 0; left: 0;
  overflow-y: hidden;
  overflow-x: scroll;
}
.CodeMirror-scrollbar-filler {
  right: 0; bottom: 0;
}
.CodeMirror-gutter-filler {
  left: 0; bottom: 0;
}

.CodeMirror-gutters {
  position: absolute; left: 0; top: 0;
  min-height: 100%;
  z-index: 3;
}
.CodeMirror-gutter {
  white-space: normal;
  height: 100%;
  display: inline-block;
  vertical-align: top;
  margin-bottom: -50px;
}
.CodeMirror-gutter-wrapper {
  position: absolute;
  z-index: 4;
  background: none !important;
  border: none !important;
}
.CodeMirror-gutter-background {
  position: absolute;
  top: 0; bottom: 0;
  z-index: 4;
}
.CodeMirror-gutter-elt {
  position: absolute;
  cursor: default;
  z-index: 4;
}
.CodeMirror-gutter-wrapper ::selection { background-color: transparent }
.CodeMirror-gutter-wrapper ::-moz-selection { background-color: transparent }

.CodeMirror-lines {
  cursor: text;
  min-height: 1px; /* prevents collapsing before first draw */
}
.CodeMirror pre.CodeMirror-line,
.CodeMirror pre.CodeMirror-line-like {
  /* Reset some styles that the rest of the page might have set */
  -moz-border-radius: 0; -webkit-border-radius: 0; border-radius: 0;
  border-width: 0;
  background: transparent;
  font-family: inherit;
  font-size: inherit;
  margin: 0;
  white-space: pre;
  word-wrap: normal;
  line-height: inherit;
  color: inherit;
  z-index: 2;
  position: relative;
  overflow: visible;
  -webkit-tap-highlight-color: transparent;
  -webkit-font-variant-ligatures: contextual;
  font-variant-ligatures: contextual;
}
.CodeMirror-wrap pre.CodeMirror-line,
.CodeMirror-wrap pre.CodeMirror-line-like {
  word-wrap: break-word;
  white-space: pre-wrap;
  word-break: normal;
}

.CodeMirror-linebackground {
  position: absolute;
  left: 0; right: 0; top: 0; bottom: 0;
  z-index: 0;
}

.CodeMirror-linewidget {
  position: relative;
  z-index: 2;
  padding: 0.1px; /* Force widget margins to stay inside of the container */
}

.CodeMirror-widget {}

.CodeMirror-rtl pre { direction: rtl; }

.CodeMirror-code {
  outline: none;
}

/* Force content-box sizing for the elements where we expect it */
.CodeMirror-scroll,
.CodeMirror-sizer,
.CodeMirror-gutter,
.CodeMirror-gutters,
.CodeMirror-linenumber {
  -moz-box-sizing: content-box;
  box-sizing: content-box;
}

.CodeMirror-measure {
  position: absolute;
  width: 100%;
  height: 0;
  overflow: hidden;
  visibility: hidden;
}

.CodeMirror-cursor {
  position: absolute;
  pointer-events: none;
}
.CodeMirror-measure pre { position: static; }

div.CodeMirror-cursors {
  visibility: hidden;
  position: relative;
  z-index: 3;
}
div.CodeMirror-dragcursors {
  visibility: visible;
}

.CodeMirror-focused div.CodeMirror-cursors {
  visibility: visible;
}

.CodeMirror-selected { background: #d9d9d9; }
.CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; }
.CodeMirror-crosshair { cursor: crosshair; }
.CodeMirror-line::selection, .CodeMirror-line > span::selection, .CodeMirror-line > span > span::selection { background: #d7d4f0; }
.CodeMirror-line::-moz-selection, .CodeMirror-line > span::-moz-selection, .CodeMirror-line > span > span::-moz-selection { background: #d7d4f0; }

.cm-searching {
  background-color: #ffa;
  background-color: rgba(255, 255, 0, .4);
}

/* Used to force a border model for a node */
.cm-force-border { padding-right: .1px; }

@media print {
  /* Hide the cursor when printing */
  .CodeMirror div.CodeMirror-cursors {
    visibility: hidden;
  }
}

/* See issue #2901 */
.cm-tab-wrap-hack:after { content: ''; }

/* Help users use markselection to safely style text background */
span.CodeMirror-selectedtext { background: none; }
`;

// src/wc-codemirror.js
self.CodeMirror = codemirror_default;
var WCCodeMirror = class extends HTMLElement {
  static get observedAttributes() {
    return ["src", "readonly", "mode", "theme"];
  }
  attributeChangedCallback(name, oldValue, newValue) {
    if (!this.__initialized) {
      return;
    }
    if (oldValue !== newValue) {
      if (name === "readonly") {
        this[name] = newValue !== null;
      } else {
        this[name] = newValue;
      }
    }
  }
  get readonly() {
    return this.editor.getOption("readOnly");
  }
  set readonly(value) {
    this.editor.setOption("readOnly", value);
  }
  get mode() {
    return this.editor.getOption("mode");
  }
  set mode(value) {
    this.editor.setOption("mode", value);
  }
  get theme() {
    return this.editor.getOption("theme");
  }
  set theme(value) {
    this.editor.setOption("theme", value);
  }
  get src() {
    return this.getAttribute("src");
  }
  set src(value) {
    this.setAttribute("src", value);
    this.setSrc();
  }
  get value() {
    return this.editor.getValue();
  }
  set value(value) {
    if (this.__initialized) {
      this.setValueForced(value);
    } else {
      this.__preInitValue = value;
    }
  }
  constructor() {
    super();
    const observerConfig = {
      childList: true,
      characterData: true,
      subtree: true
    };
    const linkChanged = (e) => {
      return e.type === "childList" && (Array.from(e.addedNodes).some((e2) => e2.tagName === "LINK") || Array.from(e.removedNodes).some((e2) => e2.tagName === "LINK"));
    };
    this.__observer = new MutationObserver((mutationsList, observer) => {
      if (mutationsList.some(linkChanged)) {
        this.refreshStyles();
      }
      this.lookupInnerScript((data) => {
        this.value = data;
      });
    });
    this.__observer.observe(this, observerConfig);
    this.__initialized = false;
    this.__element = null;
    this.editor = null;
  }
  async connectedCallback() {
    const shadow = this.attachShadow({mode: "open"});
    const template = document.createElement("template");
    const stylesheet = document.createElement("style");
    stylesheet.innerHTML = CODE_MIRROR_CSS_CONTENT;
    template.innerHTML = WCCodeMirror.template();
    shadow.appendChild(stylesheet);
    shadow.appendChild(template.content.cloneNode(true));
    this.style.display = "block";
    this.__element = shadow.querySelector("textarea");
    const mode = this.hasAttribute("mode") ? this.getAttribute("mode") : "null";
    const theme = this.hasAttribute("theme") ? this.getAttribute("theme") : "default";
    let readOnly = this.getAttribute("readonly");
    if (readOnly === "")
      readOnly = true;
    else if (readOnly !== "nocursor")
      readOnly = false;
    this.refreshStyles();
    this.lookupInnerScript((data) => {
      this.value = data;
    });
    let viewportMargin = codemirror_default.defaults.viewportMargin;
    if (this.hasAttribute("viewport-margin")) {
      const viewportMarginAttr = this.getAttribute("viewport-margin").toLowerCase();
      viewportMargin = viewportMarginAttr === "infinity" ? Infinity : parseInt(viewportMarginAttr);
    }
    this.editor = codemirror_default.fromTextArea(this.__element, {
      lineNumbers: true,
      readOnly,
      mode,
      theme,
      viewportMargin
    });
    if (this.hasAttribute("src")) {
      this.setSrc();
    }
    await new Promise((resolve) => setTimeout(resolve, 50));
    this.__initialized = true;
    if (this.__preInitValue !== void 0) {
      this.setValueForced(this.__preInitValue);
    }
  }
  disconnectedCallback() {
    this.editor && this.editor.toTextArea();
    this.editor = null;
    this.__initialized = false;
    this.__observer.disconnect();
  }
  async setSrc() {
    const src = this.getAttribute("src");
    const contents = await this.fetchSrc(src);
    this.value = contents;
  }
  async setValueForced(value) {
    this.editor.swapDoc(codemirror_default.Doc(value, this.getAttribute("mode")));
    this.editor.refresh();
  }
  async fetchSrc(src) {
    const response = await fetch(src);
    return response.text();
  }
  refreshStyles() {
    Array.from(this.shadowRoot.children).forEach((element) => {
      if (element.tagName === "LINK" && element.getAttribute("rel") === "stylesheet") {
        element.remove();
      }
    });
    Array.from(this.children).forEach((element) => {
      if (element.tagName === "LINK" && element.getAttribute("rel") === "stylesheet") {
        this.shadowRoot.appendChild(element.cloneNode(true));
      }
    });
  }
  static template() {
    return `
      <textarea style="display:inherit; width:inherit; height:inherit;"></textarea>
    `;
  }
  lookupInnerScript(callback) {
    const innerScriptTag = this.querySelector("script");
    if (innerScriptTag) {
      if (innerScriptTag.getAttribute("type") === "wc-content") {
        let data = WCCodeMirror.dedentText(innerScriptTag.innerHTML);
        data = data.replace(/&lt;(\/?script)(.*?)&gt;/g, "<$1$2>");
        callback(data);
      }
    }
  }
  static dedentText(text) {
    const lines = text.split("\n");
    if (lines[0] === "")
      lines.splice(0, 1);
    const initline = lines[0];
    let fwdPad = 0;
    const usingTabs = initline[0] === "	";
    const checkChar = usingTabs ? "	" : " ";
    while (true) {
      if (initline[fwdPad] === checkChar) {
        fwdPad += 1;
      } else {
        break;
      }
    }
    const fixedLines = [];
    for (const line of lines) {
      let fixedLine = line;
      for (let i = 0; i < fwdPad; i++) {
        if (fixedLine[0] === checkChar) {
          fixedLine = fixedLine.substring(1);
        } else {
          break;
        }
      }
      fixedLines.push(fixedLine);
    }
    if (fixedLines[fixedLines.length - 1] === "")
      fixedLines.splice(fixedLines.length - 1, 1);
    return fixedLines.join("\n");
  }
};
customElements.define("wc-codemirror", WCCodeMirror);
export {
  WCCodeMirror
};