[gnome-builder] Update marked.js to 1.0.0



commit 78a2717b626607294af02fd616a130e78670885d
Author: Günther Wagner <info gunibert de>
Date:   Fri May 8 23:22:55 2020 +0200

    Update marked.js to 1.0.0

 src/plugins/html-preview/js/marked.js | 3229 ++++++++++++++++++++++-----------
 1 file changed, 2150 insertions(+), 1079 deletions(-)
---
diff --git a/src/plugins/html-preview/js/marked.js b/src/plugins/html-preview/js/marked.js
index c1c45bf69..94fd5f5bb 100644
--- a/src/plugins/html-preview/js/marked.js
+++ b/src/plugins/html-preview/js/marked.js
@@ -1,1273 +1,2344 @@
 /**
  * marked - a markdown parser
- * Copyright 2011-2014, Christopher Jeffrey. (MIT Licensed)
- * https://github.com/chjj/marked
+ * Copyright (c) 2011-2020, Christopher Jeffrey. (MIT Licensed)
+ * https://github.com/markedjs/marked
  */
 
-;(function() {
-
 /**
- * Block-Level Grammar
+ * DO NOT EDIT THIS FILE
+ * The code in this file is generated from files in ./src/
  */
 
-var block = {
-  newline: /^\n+/,
-  code: /^( {4}[^\n]+\n*)+/,
-  fences: noop,
-  hr: /^( *[-*_]){3,} *(?:\n+|$)/,
-  heading: /^ *(#{1,6}) *([^\n]+?) *#* *(?:\n+|$)/,
-  nptable: noop,
-  lheading: /^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/,
-  blockquote: /^( *>[^\n]+(\n(?!def)[^\n]+)*\n*)+/,
-  list: /^( *)(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,
-  html: /^ *(?:comment *(?:\n|\s*$)|closed *(?:\n{2,}|\s*$)|closing *(?:\n{2,}|\s*$))/,
-  def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +["(]([^\n]+)[")])? *(?:\n+|$)/,
-  table: noop,
-  paragraph: /^((?:[^\n]+\n?(?!hr|heading|lheading|blockquote|tag|def))+)\n*/,
-  text: /^[^\n]+/
-};
-
-block.bullet = /(?:[*+-]|\d+\.)/;
-block.item = /^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/;
-block.item = replace(block.item, 'gm')
-  (/bull/g, block.bullet)
-  ();
-
-block.list = replace(block.list)
-  (/bull/g, block.bullet)
-  ('hr', '\\n+(?=\\1?(?:[-*_] *){3,}(?:\\n+|$))')
-  ('def', '\\n+(?=' + block.def.source + ')')
-  ();
-
-block.blockquote = replace(block.blockquote)
-  ('def', block.def)
-  ();
-
-block._tag = '(?!(?:'
-  + 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code'
-  + '|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo'
-  + '|span|br|wbr|ins|del|img)\\b)\\w+(?!:/|[^\\w\\s@]*@)\\b';
-
-block.html = replace(block.html)
-  ('comment', /<!--[\s\S]*?-->/)
-  ('closed', /<(tag)[\s\S]+?<\/\1>/)
-  ('closing', /<tag(?:"[^"]*"|'[^']*'|[^'">])*?>/)
-  (/tag/g, block._tag)
-  ();
-
-block.paragraph = replace(block.paragraph)
-  ('hr', block.hr)
-  ('heading', block.heading)
-  ('lheading', block.lheading)
-  ('blockquote', block.blockquote)
-  ('tag', '<' + block._tag)
-  ('def', block.def)
-  ();
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+  typeof define === 'function' && define.amd ? define(factory) :
+  (global = global || self, global.marked = factory());
+}(this, (function () { 'use strict';
+
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    return Constructor;
+  }
+
+  function createCommonjsModule(fn, module) {
+       return module = { exports: {} }, fn(module, module.exports), module.exports;
+  }
+
+  var defaults = createCommonjsModule(function (module) {
+    function getDefaults() {
+      return {
+        baseUrl: null,
+        breaks: false,
+        gfm: true,
+        headerIds: true,
+        headerPrefix: '',
+        highlight: null,
+        langPrefix: 'language-',
+        mangle: true,
+        pedantic: false,
+        renderer: null,
+        sanitize: false,
+        sanitizer: null,
+        silent: false,
+        smartLists: false,
+        smartypants: false,
+        tokenizer: null,
+        xhtml: false
+      };
+    }
+
+    function changeDefaults(newDefaults) {
+      module.exports.defaults = newDefaults;
+    }
+
+    module.exports = {
+      defaults: getDefaults(),
+      getDefaults: getDefaults,
+      changeDefaults: changeDefaults
+    };
+  });
+  var defaults_1 = defaults.defaults;
+  var defaults_2 = defaults.getDefaults;
+  var defaults_3 = defaults.changeDefaults;
+
+  /**
+   * Helpers
+   */
+  var escapeTest = /[&<>"']/;
+  var escapeReplace = /[&<>"']/g;
+  var escapeTestNoEncode = /[<>"']|&(?!#?\w+;)/;
+  var escapeReplaceNoEncode = /[<>"']|&(?!#?\w+;)/g;
+  var escapeReplacements = {
+    '&': '&amp;',
+    '<': '&lt;',
+    '>': '&gt;',
+    '"': '&quot;',
+    "'": '&#39;'
+  };
+
+  var getEscapeReplacement = function getEscapeReplacement(ch) {
+    return escapeReplacements[ch];
+  };
+
+  function escape(html, encode) {
+    if (encode) {
+      if (escapeTest.test(html)) {
+        return html.replace(escapeReplace, getEscapeReplacement);
+      }
+    } else {
+      if (escapeTestNoEncode.test(html)) {
+        return html.replace(escapeReplaceNoEncode, getEscapeReplacement);
+      }
+    }
+
+    return html;
+  }
+
+  var unescapeTest = /&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/ig;
+
+  function unescape(html) {
+    // explicitly match decimal, hex, and named HTML entities
+    return html.replace(unescapeTest, function (_, n) {
+      n = n.toLowerCase();
+      if (n === 'colon') return ':';
+
+      if (n.charAt(0) === '#') {
+        return n.charAt(1) === 'x' ? String.fromCharCode(parseInt(n.substring(2), 16)) : 
String.fromCharCode(+n.substring(1));
+      }
+
+      return '';
+    });
+  }
+
+  var caret = /(^|[^\[])\^/g;
+
+  function edit(regex, opt) {
+    regex = regex.source || regex;
+    opt = opt || '';
+    var obj = {
+      replace: function replace(name, val) {
+        val = val.source || val;
+        val = val.replace(caret, '$1');
+        regex = regex.replace(name, val);
+        return obj;
+      },
+      getRegex: function getRegex() {
+        return new RegExp(regex, opt);
+      }
+    };
+    return obj;
+  }
+
+  var nonWordAndColonTest = /[^\w:]/g;
+  var originIndependentUrl = /^$|^[a-z][a-z0-9+.-]*:|^[?#]/i;
+
+  function cleanUrl(sanitize, base, href) {
+    if (sanitize) {
+      var prot;
+
+      try {
+        prot = decodeURIComponent(unescape(href)).replace(nonWordAndColonTest, '').toLowerCase();
+      } catch (e) {
+        return null;
+      }
+
+      if (prot.indexOf('javascript:') === 0 || prot.indexOf('vbscript:') === 0 || prot.indexOf('data:') === 
0) {
+        return null;
+      }
+    }
+
+    if (base && !originIndependentUrl.test(href)) {
+      href = resolveUrl(base, href);
+    }
+
+    try {
+      href = encodeURI(href).replace(/%25/g, '%');
+    } catch (e) {
+      return null;
+    }
+
+    return href;
+  }
+
+  var baseUrls = {};
+  var justDomain = /^[^:]+:\/*[^/]*$/;
+  var protocol = /^([^:]+:)[\s\S]*$/;
+  var domain = /^([^:]+:\/*[^/]*)[\s\S]*$/;
+
+  function resolveUrl(base, href) {
+    if (!baseUrls[' ' + base]) {
+      // we can ignore everything in base after the last slash of its path component,
+      // but we might need to add _that_
+      // https://tools.ietf.org/html/rfc3986#section-3
+      if (justDomain.test(base)) {
+        baseUrls[' ' + base] = base + '/';
+      } else {
+        baseUrls[' ' + base] = rtrim(base, '/', true);
+      }
+    }
+
+    base = baseUrls[' ' + base];
+    var relativeBase = base.indexOf(':') === -1;
+
+    if (href.substring(0, 2) === '//') {
+      if (relativeBase) {
+        return href;
+      }
+
+      return base.replace(protocol, '$1') + href;
+    } else if (href.charAt(0) === '/') {
+      if (relativeBase) {
+        return href;
+      }
+
+      return base.replace(domain, '$1') + href;
+    } else {
+      return base + href;
+    }
+  }
+
+  var noopTest = {
+    exec: function noopTest() {}
+  };
+
+  function merge(obj) {
+    var i = 1,
+        target,
+        key;
+
+    for (; i < arguments.length; i++) {
+      target = arguments[i];
+
+      for (key in target) {
+        if (Object.prototype.hasOwnProperty.call(target, key)) {
+          obj[key] = target[key];
+        }
+      }
+    }
+
+    return obj;
+  }
+
+  function splitCells(tableRow, count) {
+    // ensure that every cell-delimiting pipe has a space
+    // before it to distinguish it from an escaped pipe
+    var row = tableRow.replace(/\|/g, function (match, offset, str) {
+      var escaped = false,
+          curr = offset;
+
+      while (--curr >= 0 && str[curr] === '\\') {
+        escaped = !escaped;
+      }
+
+      if (escaped) {
+        // odd number of slashes means | is escaped
+        // so we leave it alone
+        return '|';
+      } else {
+        // add space before unescaped |
+        return ' |';
+      }
+    }),
+        cells = row.split(/ \|/);
+    var i = 0;
+
+    if (cells.length > count) {
+      cells.splice(count);
+    } else {
+      while (cells.length < count) {
+        cells.push('');
+      }
+    }
+
+    for (; i < cells.length; i++) {
+      // leading or trailing whitespace is ignored per the gfm spec
+      cells[i] = cells[i].trim().replace(/\\\|/g, '|');
+    }
+
+    return cells;
+  } // Remove trailing 'c's. Equivalent to str.replace(/c*$/, '').
+  // /c*$/ is vulnerable to REDOS.
+  // invert: Remove suffix of non-c chars instead. Default falsey.
+
+
+  function rtrim(str, c, invert) {
+    var l = str.length;
+
+    if (l === 0) {
+      return '';
+    } // Length of suffix matching the invert condition.
+
+
+    var suffLen = 0; // Step left until we fail to match the invert condition.
+
+    while (suffLen < l) {
+      var currChar = str.charAt(l - suffLen - 1);
+
+      if (currChar === c && !invert) {
+        suffLen++;
+      } else if (currChar !== c && invert) {
+        suffLen++;
+      } else {
+        break;
+      }
+    }
+
+    return str.substr(0, l - suffLen);
+  }
+
+  function findClosingBracket(str, b) {
+    if (str.indexOf(b[1]) === -1) {
+      return -1;
+    }
+
+    var l = str.length;
+    var level = 0,
+        i = 0;
+
+    for (; i < l; i++) {
+      if (str[i] === '\\') {
+        i++;
+      } else if (str[i] === b[0]) {
+        level++;
+      } else if (str[i] === b[1]) {
+        level--;
+
+        if (level < 0) {
+          return i;
+        }
+      }
+    }
+
+    return -1;
+  }
+
+  function checkSanitizeDeprecation(opt) {
+    if (opt && opt.sanitize && !opt.silent) {
+      console.warn('marked(): sanitize and sanitizer parameters are deprecated since version 0.7.0, should 
not be used and will be removed in the future. Read more here: 
https://marked.js.org/#/USING_ADVANCED.md#options');
+    }
+  }
+
+  var helpers = {
+    escape: escape,
+    unescape: unescape,
+    edit: edit,
+    cleanUrl: cleanUrl,
+    resolveUrl: resolveUrl,
+    noopTest: noopTest,
+    merge: merge,
+    splitCells: splitCells,
+    rtrim: rtrim,
+    findClosingBracket: findClosingBracket,
+    checkSanitizeDeprecation: checkSanitizeDeprecation
+  };
+
+  var defaults$1 = defaults.defaults;
+  var rtrim$1 = helpers.rtrim,
+      splitCells$1 = helpers.splitCells,
+      _escape = helpers.escape,
+      findClosingBracket$1 = helpers.findClosingBracket;
+
+  function outputLink(cap, link, raw) {
+    var href = link.href;
+    var title = link.title ? _escape(link.title) : null;
+
+    if (cap[0].charAt(0) !== '!') {
+      return {
+        type: 'link',
+        raw: raw,
+        href: href,
+        title: title,
+        text: cap[1]
+      };
+    } else {
+      return {
+        type: 'image',
+        raw: raw,
+        text: _escape(cap[1]),
+        href: href,
+        title: title
+      };
+    }
+  }
+  /**
+   * Tokenizer
+   */
+
+
+  var Tokenizer_1 = /*#__PURE__*/function () {
+    function Tokenizer(options) {
+      this.options = options || defaults$1;
+    }
+
+    var _proto = Tokenizer.prototype;
+
+    _proto.space = function space(src) {
+      var cap = this.rules.block.newline.exec(src);
+
+      if (cap) {
+        if (cap[0].length > 1) {
+          return {
+            type: 'space',
+            raw: cap[0]
+          };
+        }
+
+        return {
+          raw: '\n'
+        };
+      }
+    };
+
+    _proto.code = function code(src, tokens) {
+      var cap = this.rules.block.code.exec(src);
+
+      if (cap) {
+        var lastToken = tokens[tokens.length - 1]; // An indented code block cannot interrupt a paragraph.
+
+        if (lastToken && lastToken.type === 'paragraph') {
+          tokens.pop();
+          lastToken.text += '\n' + cap[0].trimRight();
+          lastToken.raw += '\n' + cap[0];
+          return lastToken;
+        } else {
+          var text = cap[0].replace(/^ {4}/gm, '');
+          return {
+            type: 'code',
+            raw: cap[0],
+            codeBlockStyle: 'indented',
+            text: !this.options.pedantic ? rtrim$1(text, '\n') : text
+          };
+        }
+      }
+    };
+
+    _proto.fences = function fences(src) {
+      var cap = this.rules.block.fences.exec(src);
+
+      if (cap) {
+        return {
+          type: 'code',
+          raw: cap[0],
+          lang: cap[2] ? cap[2].trim() : cap[2],
+          text: cap[3] || ''
+        };
+      }
+    };
+
+    _proto.heading = function heading(src) {
+      var cap = this.rules.block.heading.exec(src);
+
+      if (cap) {
+        return {
+          type: 'heading',
+          raw: cap[0],
+          depth: cap[1].length,
+          text: cap[2]
+        };
+      }
+    };
+
+    _proto.nptable = function nptable(src) {
+      var cap = this.rules.block.nptable.exec(src);
+
+      if (cap) {
+        var item = {
+          type: 'table',
+          header: splitCells$1(cap[1].replace(/^ *| *\| *$/g, '')),
+          align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
+          cells: cap[3] ? cap[3].replace(/\n$/, '').split('\n') : [],
+          raw: cap[0]
+        };
+
+        if (item.header.length === item.align.length) {
+          var l = item.align.length;
+          var i;
+
+          for (i = 0; i < l; i++) {
+            if (/^ *-+: *$/.test(item.align[i])) {
+              item.align[i] = 'right';
+            } else if (/^ *:-+: *$/.test(item.align[i])) {
+              item.align[i] = 'center';
+            } else if (/^ *:-+ *$/.test(item.align[i])) {
+              item.align[i] = 'left';
+            } else {
+              item.align[i] = null;
+            }
+          }
+
+          l = item.cells.length;
+
+          for (i = 0; i < l; i++) {
+            item.cells[i] = splitCells$1(item.cells[i], item.header.length);
+          }
+
+          return item;
+        }
+      }
+    };
+
+    _proto.hr = function hr(src) {
+      var cap = this.rules.block.hr.exec(src);
+
+      if (cap) {
+        return {
+          type: 'hr',
+          raw: cap[0]
+        };
+      }
+    };
+
+    _proto.blockquote = function blockquote(src) {
+      var cap = this.rules.block.blockquote.exec(src);
+
+      if (cap) {
+        var text = cap[0].replace(/^ *> ?/gm, '');
+        return {
+          type: 'blockquote',
+          raw: cap[0],
+          text: text
+        };
+      }
+    };
+
+    _proto.list = function list(src) {
+      var cap = this.rules.block.list.exec(src);
+
+      if (cap) {
+        var raw = cap[0];
+        var bull = cap[2];
+        var isordered = bull.length > 1;
+        var list = {
+          type: 'list',
+          raw: raw,
+          ordered: isordered,
+          start: isordered ? +bull : '',
+          loose: false,
+          items: []
+        }; // Get each top-level item.
+
+        var itemMatch = cap[0].match(this.rules.block.item);
+        var next = false,
+            item,
+            space,
+            b,
+            addBack,
+            loose,
+            istask,
+            ischecked;
+        var l = itemMatch.length;
+
+        for (var i = 0; i < l; i++) {
+          item = itemMatch[i];
+          raw = item; // Remove the list item's bullet
+          // so it is seen as the next token.
+
+          space = item.length;
+          item = item.replace(/^ *([*+-]|\d+\.) */, ''); // Outdent whatever the
+          // list item contains. Hacky.
+
+          if (~item.indexOf('\n ')) {
+            space -= item.length;
+            item = !this.options.pedantic ? item.replace(new RegExp('^ {1,' + space + '}', 'gm'), '') : 
item.replace(/^ {1,4}/gm, '');
+          } // Determine whether the next list item belongs here.
+          // Backpedal if it does not belong in this list.
+
+
+          if (i !== l - 1) {
+            b = this.rules.block.bullet.exec(itemMatch[i + 1])[0];
+
+            if (bull.length > 1 ? b.length === 1 : b.length > 1 || this.options.smartLists && b !== bull) {
+              addBack = itemMatch.slice(i + 1).join('\n');
+              list.raw = list.raw.substring(0, list.raw.length - addBack.length);
+              i = l - 1;
+            }
+          } // Determine whether item is loose or not.
+          // Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/
+          // for discount behavior.
+
+
+          loose = next || /\n\n(?!\s*$)/.test(item);
+
+          if (i !== l - 1) {
+            next = item.charAt(item.length - 1) === '\n';
+            if (!loose) loose = next;
+          }
+
+          if (loose) {
+            list.loose = true;
+          } // Check for task list items
+
+
+          istask = /^\[[ xX]\] /.test(item);
+          ischecked = undefined;
+
+          if (istask) {
+            ischecked = item[1] !== ' ';
+            item = item.replace(/^\[[ xX]\] +/, '');
+          }
+
+          list.items.push({
+            raw: raw,
+            task: istask,
+            checked: ischecked,
+            loose: loose,
+            text: item
+          });
+        }
+
+        return list;
+      }
+    };
+
+    _proto.html = function html(src) {
+      var cap = this.rules.block.html.exec(src);
+
+      if (cap) {
+        return {
+          type: this.options.sanitize ? 'paragraph' : 'html',
+          raw: cap[0],
+          pre: !this.options.sanitizer && (cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style'),
+          text: this.options.sanitize ? this.options.sanitizer ? this.options.sanitizer(cap[0]) : 
_escape(cap[0]) : cap[0]
+        };
+      }
+    };
+
+    _proto.def = function def(src) {
+      var cap = this.rules.block.def.exec(src);
+
+      if (cap) {
+        if (cap[3]) cap[3] = cap[3].substring(1, cap[3].length - 1);
+        var tag = cap[1].toLowerCase().replace(/\s+/g, ' ');
+        return {
+          tag: tag,
+          raw: cap[0],
+          href: cap[2],
+          title: cap[3]
+        };
+      }
+    };
+
+    _proto.table = function table(src) {
+      var cap = this.rules.block.table.exec(src);
+
+      if (cap) {
+        var item = {
+          type: 'table',
+          header: splitCells$1(cap[1].replace(/^ *| *\| *$/g, '')),
+          align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
+          cells: cap[3] ? cap[3].replace(/\n$/, '').split('\n') : []
+        };
+
+        if (item.header.length === item.align.length) {
+          item.raw = cap[0];
+          var l = item.align.length;
+          var i;
+
+          for (i = 0; i < l; i++) {
+            if (/^ *-+: *$/.test(item.align[i])) {
+              item.align[i] = 'right';
+            } else if (/^ *:-+: *$/.test(item.align[i])) {
+              item.align[i] = 'center';
+            } else if (/^ *:-+ *$/.test(item.align[i])) {
+              item.align[i] = 'left';
+            } else {
+              item.align[i] = null;
+            }
+          }
+
+          l = item.cells.length;
+
+          for (i = 0; i < l; i++) {
+            item.cells[i] = splitCells$1(item.cells[i].replace(/^ *\| *| *\| *$/g, ''), item.header.length);
+          }
+
+          return item;
+        }
+      }
+    };
+
+    _proto.lheading = function lheading(src) {
+      var cap = this.rules.block.lheading.exec(src);
+
+      if (cap) {
+        return {
+          type: 'heading',
+          raw: cap[0],
+          depth: cap[2].charAt(0) === '=' ? 1 : 2,
+          text: cap[1]
+        };
+      }
+    };
+
+    _proto.paragraph = function paragraph(src) {
+      var cap = this.rules.block.paragraph.exec(src);
+
+      if (cap) {
+        return {
+          type: 'paragraph',
+          raw: cap[0],
+          text: cap[1].charAt(cap[1].length - 1) === '\n' ? cap[1].slice(0, -1) : cap[1]
+        };
+      }
+    };
+
+    _proto.text = function text(src) {
+      var cap = this.rules.block.text.exec(src);
+
+      if (cap) {
+        return {
+          type: 'text',
+          raw: cap[0],
+          text: cap[0]
+        };
+      }
+    };
+
+    _proto.escape = function escape(src) {
+      var cap = this.rules.inline.escape.exec(src);
+
+      if (cap) {
+        return {
+          type: 'escape',
+          raw: cap[0],
+          text: _escape(cap[1])
+        };
+      }
+    };
+
+    _proto.tag = function tag(src, inLink, inRawBlock) {
+      var cap = this.rules.inline.tag.exec(src);
+
+      if (cap) {
+        if (!inLink && /^<a /i.test(cap[0])) {
+          inLink = true;
+        } else if (inLink && /^<\/a>/i.test(cap[0])) {
+          inLink = false;
+        }
+
+        if (!inRawBlock && /^<(pre|code|kbd|script)(\s|>)/i.test(cap[0])) {
+          inRawBlock = true;
+        } else if (inRawBlock && /^<\/(pre|code|kbd|script)(\s|>)/i.test(cap[0])) {
+          inRawBlock = false;
+        }
+
+        return {
+          type: this.options.sanitize ? 'text' : 'html',
+          raw: cap[0],
+          inLink: inLink,
+          inRawBlock: inRawBlock,
+          text: this.options.sanitize ? this.options.sanitizer ? this.options.sanitizer(cap[0]) : 
_escape(cap[0]) : cap[0]
+        };
+      }
+    };
+
+    _proto.link = function link(src) {
+      var cap = this.rules.inline.link.exec(src);
+
+      if (cap) {
+        var lastParenIndex = findClosingBracket$1(cap[2], '()');
+
+        if (lastParenIndex > -1) {
+          var start = cap[0].indexOf('!') === 0 ? 5 : 4;
+          var linkLen = start + cap[1].length + lastParenIndex;
+          cap[2] = cap[2].substring(0, lastParenIndex);
+          cap[0] = cap[0].substring(0, linkLen).trim();
+          cap[3] = '';
+        }
+
+        var href = cap[2];
+        var title = '';
+
+        if (this.options.pedantic) {
+          var link = /^([^'"]*[^\s])\s+(['"])(.*)\2/.exec(href);
+
+          if (link) {
+            href = link[1];
+            title = link[3];
+          } else {
+            title = '';
+          }
+        } else {
+          title = cap[3] ? cap[3].slice(1, -1) : '';
+        }
+
+        href = href.trim().replace(/^<([\s\S]*)>$/, '$1');
+        var token = outputLink(cap, {
+          href: href ? href.replace(this.rules.inline._escapes, '$1') : href,
+          title: title ? title.replace(this.rules.inline._escapes, '$1') : title
+        }, cap[0]);
+        return token;
+      }
+    };
+
+    _proto.reflink = function reflink(src, links) {
+      var cap;
+
+      if ((cap = this.rules.inline.reflink.exec(src)) || (cap = this.rules.inline.nolink.exec(src))) {
+        var link = (cap[2] || cap[1]).replace(/\s+/g, ' ');
+        link = links[link.toLowerCase()];
+
+        if (!link || !link.href) {
+          var text = cap[0].charAt(0);
+          return {
+            type: 'text',
+            raw: text,
+            text: text
+          };
+        }
+
+        var token = outputLink(cap, link, cap[0]);
+        return token;
+      }
+    };
+
+    _proto.strong = function strong(src) {
+      var cap = this.rules.inline.strong.exec(src);
+
+      if (cap) {
+        return {
+          type: 'strong',
+          raw: cap[0],
+          text: cap[4] || cap[3] || cap[2] || cap[1]
+        };
+      }
+    };
+
+    _proto.em = function em(src) {
+      var cap = this.rules.inline.em.exec(src);
+
+      if (cap) {
+        return {
+          type: 'em',
+          raw: cap[0],
+          text: cap[6] || cap[5] || cap[4] || cap[3] || cap[2] || cap[1]
+        };
+      }
+    };
+
+    _proto.codespan = function codespan(src) {
+      var cap = this.rules.inline.code.exec(src);
+
+      if (cap) {
+        return {
+          type: 'codespan',
+          raw: cap[0],
+          text: _escape(cap[2].trim(), true)
+        };
+      }
+    };
+
+    _proto.br = function br(src) {
+      var cap = this.rules.inline.br.exec(src);
+
+      if (cap) {
+        return {
+          type: 'br',
+          raw: cap[0]
+        };
+      }
+    };
+
+    _proto.del = function del(src) {
+      var cap = this.rules.inline.del.exec(src);
+
+      if (cap) {
+        return {
+          type: 'del',
+          raw: cap[0],
+          text: cap[1]
+        };
+      }
+    };
+
+    _proto.autolink = function autolink(src, mangle) {
+      var cap = this.rules.inline.autolink.exec(src);
+
+      if (cap) {
+        var text, href;
+
+        if (cap[2] === '@') {
+          text = _escape(this.options.mangle ? mangle(cap[1]) : cap[1]);
+          href = 'mailto:' + text;
+        } else {
+          text = _escape(cap[1]);
+          href = text;
+        }
+
+        return {
+          type: 'link',
+          raw: cap[0],
+          text: text,
+          href: href,
+          tokens: [{
+            type: 'text',
+            raw: text,
+            text: text
+          }]
+        };
+      }
+    };
+
+    _proto.url = function url(src, mangle) {
+      var cap;
+
+      if (cap = this.rules.inline.url.exec(src)) {
+        var text, href;
+
+        if (cap[2] === '@') {
+          text = _escape(this.options.mangle ? mangle(cap[0]) : cap[0]);
+          href = 'mailto:' + text;
+        } else {
+          // do extended autolink path validation
+          var prevCapZero;
+
+          do {
+            prevCapZero = cap[0];
+            cap[0] = this.rules.inline._backpedal.exec(cap[0])[0];
+          } while (prevCapZero !== cap[0]);
+
+          text = _escape(cap[0]);
+
+          if (cap[1] === 'www.') {
+            href = 'http://' + text;
+          } else {
+            href = text;
+          }
+        }
+
+        return {
+          type: 'link',
+          raw: cap[0],
+          text: text,
+          href: href,
+          tokens: [{
+            type: 'text',
+            raw: text,
+            text: text
+          }]
+        };
+      }
+    };
+
+    _proto.inlineText = function inlineText(src, inRawBlock, smartypants) {
+      var cap = this.rules.inline.text.exec(src);
+
+      if (cap) {
+        var text;
+
+        if (inRawBlock) {
+          text = this.options.sanitize ? this.options.sanitizer ? this.options.sanitizer(cap[0]) : 
_escape(cap[0]) : cap[0];
+        } else {
+          text = _escape(this.options.smartypants ? smartypants(cap[0]) : cap[0]);
+        }
+
+        return {
+          type: 'text',
+          raw: cap[0],
+          text: text
+        };
+      }
+    };
+
+    return Tokenizer;
+  }();
+
+  var noopTest$1 = helpers.noopTest,
+      edit$1 = helpers.edit,
+      merge$1 = helpers.merge;
+  /**
+   * Block-Level Grammar
+   */
+
+  var block = {
+    newline: /^\n+/,
+    code: /^( {4}[^\n]+\n*)+/,
+    fences: /^ {0,3}(`{3,}(?=[^`\n]*\n)|~{3,})([^\n]*)\n(?:|([\s\S]*?)\n)(?: {0,3}\1[~`]* *(?:\n+|$)|$)/,
+    hr: /^ {0,3}((?:- *){3,}|(?:_ *){3,}|(?:\* *){3,})(?:\n+|$)/,
+    heading: /^ {0,3}(#{1,6}) +([^\n]*?)(?: +#+)? *(?:\n+|$)/,
+    blockquote: /^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/,
+    list: /^( {0,3})(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,
+    html: '^ {0,3}(?:' // optional indentation
+    + '<(script|pre|style)[\\s>][\\s\\S]*?(?:</\\1>[^\\n]*\\n+|$)' // (1)
+    + '|comment[^\\n]*(\\n+|$)' // (2)
+    + '|<\\?[\\s\\S]*?\\?>\\n*' // (3)
+    + '|<![A-Z][\\s\\S]*?>\\n*' // (4)
+    + '|<!\\[CDATA\\[[\\s\\S]*?\\]\\]>\\n*' // (5)
+    + '|</?(tag)(?: +|\\n|/?>)[\\s\\S]*?(?:\\n{2,}|$)' // (6)
+    + '|<(?!script|pre|style)([a-z][\\w-]*)(?:attribute)*? */?>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:\\n{2,}|$)' 
// (7) open tag
+    + '|</(?!script|pre|style)[a-z][\\w-]*\\s*>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:\\n{2,}|$)' // (7) closing 
tag
+    + ')',
+    def: /^ {0,3}\[(label)\]: *\n? *<?([^\s>]+)>?(?:(?: +\n? *| *\n *)(title))? *(?:\n+|$)/,
+    nptable: noopTest$1,
+    table: noopTest$1,
+    lheading: /^([^\n]+)\n {0,3}(=+|-+) *(?:\n+|$)/,
+    // regex template, placeholders will be replaced according to different paragraph
+    // interruption rules of commonmark and the original markdown spec:
+    _paragraph: /^([^\n]+(?:\n(?!hr|heading|lheading|blockquote|fences|list|html)[^\n]+)*)/,
+    text: /^[^\n]+/
+  };
+  block._label = /(?!\s*\])(?:\\[\[\]]|[^\[\]])+/;
+  block._title = /(?:"(?:\\"?|[^"\\])*"|'[^'\n]*(?:\n[^'\n]+)*\n?'|\([^()]*\))/;
+  block.def = edit$1(block.def).replace('label', block._label).replace('title', block._title).getRegex();
+  block.bullet = /(?:[*+-]|\d{1,9}\.)/;
+  block.item = /^( *)(bull) ?[^\n]*(?:\n(?!\1bull ?)[^\n]*)*/;
+  block.item = edit$1(block.item, 'gm').replace(/bull/g, block.bullet).getRegex();
+  block.list = edit$1(block.list).replace(/bull/g, block.bullet).replace('hr', '\\n+(?=\\1?(?:(?:- 
*){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$))').replace('def', '\\n+(?=' + block.def.source + ')').getRegex();
+  block._tag = 'address|article|aside|base|basefont|blockquote|body|caption' + 
'|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption' + 
'|figure|footer|form|frame|frameset|h[1-6]|head|header|hr|html|iframe' + 
'|legend|li|link|main|menu|menuitem|meta|nav|noframes|ol|optgroup|option' + 
'|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr' + '|track|ul';
+  block._comment = /<!--(?!-?>)[\s\S]*?-->/;
+  block.html = edit$1(block.html, 'i').replace('comment', block._comment).replace('tag', 
block._tag).replace('attribute', / +[a-zA-Z:_][\w.:-]*(?: *= *"[^"\n]*"| *= *'[^'\n]*'| *= 
*[^\s"'=<>`]+)?/).getRegex();
+  block.paragraph = edit$1(block._paragraph).replace('hr', block.hr).replace('heading', ' {0,3}#{1,6} 
').replace('|lheading', '') // setex headings don't interrupt commonmark paragraphs
+  .replace('blockquote', ' {0,3}>').replace('fences', ' 
{0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n').replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists 
starting from 1 can interrupt
+  .replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|!--)').replace('tag', block._tag) // pars 
can be interrupted by type (6) html blocks
+  .getRegex();
+  block.blockquote = edit$1(block.blockquote).replace('paragraph', block.paragraph).getRegex();
+  /**
+   * Normal Block Grammar
+   */
+
+  block.normal = merge$1({}, block);
+  /**
+   * GFM Block Grammar
+   */
+
+  block.gfm = merge$1({}, block.normal, {
+    nptable: '^ *([^|\\n ].*\\|.*)\\n' // Header
+    + ' *([-:]+ *\\|[-| :]*)' // Align
+    + '(?:\\n((?:(?!\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)',
+    // Cells
+    table: '^ *\\|(.+)\\n' // Header
+    + ' *\\|?( *[-:]+[-| :]*)' // Align
+    + '(?:\\n *((?:(?!\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)' // Cells
+
+  });
+  block.gfm.nptable = edit$1(block.gfm.nptable).replace('hr', block.hr).replace('heading', ' {0,3}#{1,6} 
').replace('blockquote', ' {0,3}>').replace('code', ' {4}[^\\n]').replace('fences', ' 
{0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n').replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists 
starting from 1 can interrupt
+  .replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|!--)').replace('tag', block._tag) // 
tables can be interrupted by type (6) html blocks
+  .getRegex();
+  block.gfm.table = edit$1(block.gfm.table).replace('hr', block.hr).replace('heading', ' {0,3}#{1,6} 
').replace('blockquote', ' {0,3}>').replace('code', ' {4}[^\\n]').replace('fences', ' 
{0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n').replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists 
starting from 1 can interrupt
+  .replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|!--)').replace('tag', block._tag) // 
tables can be interrupted by type (6) html blocks
+  .getRegex();
+  /**
+   * Pedantic grammar (original John Gruber's loose markdown specification)
+   */
+
+  block.pedantic = merge$1({}, block.normal, {
+    html: edit$1('^ *(?:comment *(?:\\n|\\s*$)' + '|<(tag)[\\s\\S]+?</\\1> *(?:\\n{2,}|\\s*$)' // closed tag
+    + '|<tag(?:"[^"]*"|\'[^\']*\'|\\s[^\'"/>\\s]*)*?/?> *(?:\\n{2,}|\\s*$))').replace('comment', 
block._comment).replace(/tag/g, '(?!(?:' + 
'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code|var|samp|kbd|sub' + 
'|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo|span|br|wbr|ins|del|img)' + '\\b)\\w+(?!:|[^\\w\\s@]*@)\\b').getRegex(),
+    def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +(["(][^\n]+[")]))? *(?:\n+|$)/,
+    heading: /^ *(#{1,6}) *([^\n]+?) *(?:#+ *)?(?:\n+|$)/,
+    fences: noopTest$1,
+    // fences not supported
+    paragraph: edit$1(block.normal._paragraph).replace('hr', block.hr).replace('heading', ' *#{1,6} 
*[^\n]').replace('lheading', block.lheading).replace('blockquote', ' {0,3}>').replace('|fences', 
'').replace('|list', '').replace('|html', '').getRegex()
+  });
+  /**
+   * Inline-Level Grammar
+   */
+
+  var inline = {
+    escape: /^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/,
+    autolink: /^<(scheme:[^\s\x00-\x1f<>]*|email)>/,
+    url: noopTest$1,
+    tag: '^comment' + '|^</[a-zA-Z][\\w:-]*\\s*>' // self-closing tag
+    + '|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>' // open tag
+    + '|^<\\?[\\s\\S]*?\\?>' // processing instruction, e.g. <?php ?>
+    + '|^<![a-zA-Z]+\\s[\\s\\S]*?>' // declaration, e.g. <!DOCTYPE html>
+    + '|^<!\\[CDATA\\[[\\s\\S]*?\\]\\]>',
+    // CDATA section
+    link: /^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/,
+    reflink: /^!?\[(label)\]\[(?!\s*\])((?:\\[\[\]]?|[^\[\]\\])+)\]/,
+    nolink: /^!?\[(?!\s*\])((?:\[[^\[\]]*\]|\\[\[\]]|[^\[\]])*)\](?:\[\])?/,
+    strong: 
/^__([^\s_])__(?!_)|^\*\*([^\s*])\*\*(?!\*)|^__([^\s][\s\S]*?[^\s])__(?!_)|^\*\*([^\s][\s\S]*?[^\s])\*\*(?!\*)/,
+    em: 
/^_([^\s_])_(?!_)|^_([^\s_<][\s\S]*?[^\s_])_(?!_|[^\spunctuation])|^_([^\s_<][\s\S]*?[^\s])_(?!_|[^\spunctuation])|^\*([^\s*<\[])\*(?!\*)|^\*([^\s<"][\s\S]*?[^\s\[\*])\*(?![\]`punctuation])|^\*([^\s*"<\[][\s\S]*[^\s])\*(?!\*)/,
+    code: /^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/,
+    br: /^( {2,}|\\)\n(?!\s*$)/,
+    del: noopTest$1,
+    text: /^(`+|[^`])(?:[\s\S]*?(?:(?=[\\<!\[`*]|\b_|$)|[^ ](?= {2,}\n))|(?= {2,}\n))/
+  }; // list of punctuation marks from common mark spec
+  // without ` and ] to workaround Rule 17 (inline code blocks/links)
+
+  inline._punctuation = '!"#$%&\'()*+\\-./:;<=>?@\\[^_{|}~';
+  inline.em = edit$1(inline.em).replace(/punctuation/g, inline._punctuation).getRegex();
+  inline._escapes = /\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/g;
+  inline._scheme = /[a-zA-Z][a-zA-Z0-9+.-]{1,31}/;
+  inline._email = 
/[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/;
+  inline.autolink = edit$1(inline.autolink).replace('scheme', inline._scheme).replace('email', 
inline._email).getRegex();
+  inline._attribute = /\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/;
+  inline.tag = edit$1(inline.tag).replace('comment', block._comment).replace('attribute', 
inline._attribute).getRegex();
+  inline._label = /(?:\[[^\[\]]*\]|\\.|`[^`]*`|[^\[\]\\`])*?/;
+  inline._href = /<(?:\\[<>]?|[^\s<>\\])*>|[^\s\x00-\x1f]*/;
+  inline._title = /"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/;
+  inline.link = edit$1(inline.link).replace('label', inline._label).replace('href', 
inline._href).replace('title', inline._title).getRegex();
+  inline.reflink = edit$1(inline.reflink).replace('label', inline._label).getRegex();
+  /**
+   * Normal Inline Grammar
+   */
+
+  inline.normal = merge$1({}, inline);
+  /**
+   * Pedantic Inline Grammar
+   */
+
+  inline.pedantic = merge$1({}, inline.normal, {
+    strong: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,
+    em: /^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/,
+    link: edit$1(/^!?\[(label)\]\((.*?)\)/).replace('label', inline._label).getRegex(),
+    reflink: edit$1(/^!?\[(label)\]\s*\[([^\]]*)\]/).replace('label', inline._label).getRegex()
+  });
+  /**
+   * GFM Inline Grammar
+   */
+
+  inline.gfm = merge$1({}, inline.normal, {
+    escape: edit$1(inline.escape).replace('])', '~|])').getRegex(),
+    _extended_email: /[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/,
+    url: /^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/,
+    _backpedal: /(?:[^?!.,:;*_~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_~)]+(?!$))+/,
+    del: /^~+(?=\S)([\s\S]*?\S)~+/,
+    text: /^(`+|[^`])(?:[\s\S]*?(?:(?=[\\<!\[`*~]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= 
{2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))|(?= 
{2,}\n|[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))/
+  });
+  inline.gfm.url = edit$1(inline.gfm.url, 'i').replace('email', inline.gfm._extended_email).getRegex();
+  /**
+   * GFM + Line Breaks Inline Grammar
+   */
+
+  inline.breaks = merge$1({}, inline.gfm, {
+    br: edit$1(inline.br).replace('{2,}', '*').getRegex(),
+    text: edit$1(inline.gfm.text).replace('\\b_', '\\b_| {2,}\\n').replace(/\{2,\}/g, '*').getRegex()
+  });
+  var rules = {
+    block: block,
+    inline: inline
+  };
+
+  var defaults$2 = defaults.defaults;
+  var block$1 = rules.block,
+      inline$1 = rules.inline;
+  /**
+   * smartypants text replacement
+   */
+
+  function smartypants(text) {
+    return text // em-dashes
+    .replace(/---/g, "\u2014") // en-dashes
+    .replace(/--/g, "\u2013") // opening singles
+    .replace(/(^|[-\u2014/(\[{"\s])'/g, "$1\u2018") // closing singles & apostrophes
+    .replace(/'/g, "\u2019") // opening doubles
+    .replace(/(^|[-\u2014/(\[{\u2018\s])"/g, "$1\u201C") // closing doubles
+    .replace(/"/g, "\u201D") // ellipses
+    .replace(/\.{3}/g, "\u2026");
+  }
+  /**
+   * mangle email addresses
+   */
+
+
+  function mangle(text) {
+    var out = '',
+        i,
+        ch;
+    var l = text.length;
+
+    for (i = 0; i < l; i++) {
+      ch = text.charCodeAt(i);
+
+      if (Math.random() > 0.5) {
+        ch = 'x' + ch.toString(16);
+      }
+
+      out += '&#' + ch + ';';
+    }
+
+    return out;
+  }
+  /**
+   * Block Lexer
+   */
+
+
+  var Lexer_1 = /*#__PURE__*/function () {
+    function Lexer(options) {
+      this.tokens = [];
+      this.tokens.links = Object.create(null);
+      this.options = options || defaults$2;
+      this.options.tokenizer = this.options.tokenizer || new Tokenizer_1();
+      this.tokenizer = this.options.tokenizer;
+      this.tokenizer.options = this.options;
+      var rules = {
+        block: block$1.normal,
+        inline: inline$1.normal
+      };
+
+      if (this.options.pedantic) {
+        rules.block = block$1.pedantic;
+        rules.inline = inline$1.pedantic;
+      } else if (this.options.gfm) {
+        rules.block = block$1.gfm;
+
+        if (this.options.breaks) {
+          rules.inline = inline$1.breaks;
+        } else {
+          rules.inline = inline$1.gfm;
+        }
+      }
+
+      this.tokenizer.rules = rules;
+    }
+    /**
+     * Expose Rules
+     */
 
-/**
- * Normal Block Grammar
- */
 
-block.normal = merge({}, block);
+    /**
+     * Static Lex Method
+     */
+    Lexer.lex = function lex(src, options) {
+      var lexer = new Lexer(options);
+      return lexer.lex(src);
+    }
+    /**
+     * Preprocessing
+     */
+    ;
+
+    var _proto = Lexer.prototype;
+
+    _proto.lex = function lex(src) {
+      src = src.replace(/\r\n|\r/g, '\n').replace(/\t/g, '    ');
+      this.blockTokens(src, this.tokens, true);
+      this.inline(this.tokens);
+      return this.tokens;
+    }
+    /**
+     * Lexing
+     */
+    ;
+
+    _proto.blockTokens = function blockTokens(src, tokens, top) {
+      if (tokens === void 0) {
+        tokens = [];
+      }
 
-/**
- * GFM Block Grammar
- */
+      if (top === void 0) {
+        top = true;
+      }
 
-block.gfm = merge({}, block.normal, {
-  fences: /^ *(`{3,}|~{3,}) *(\S+)? *\n([\s\S]+?)\s*\1 *(?:\n+|$)/,
-  paragraph: /^/
-});
+      src = src.replace(/^ +$/gm, '');
+      var token, i, l;
 
-block.gfm.paragraph = replace(block.paragraph)
-  ('(?!', '(?!'
-    + block.gfm.fences.source.replace('\\1', '\\2') + '|'
-    + block.list.source.replace('\\1', '\\3') + '|')
-  ();
+      while (src) {
+        // newline
+        if (token = this.tokenizer.space(src)) {
+          src = src.substring(token.raw.length);
 
-/**
- * GFM + Tables Block Grammar
- */
+          if (token.type) {
+            tokens.push(token);
+          }
 
-block.tables = merge({}, block.gfm, {
-  nptable: /^ *(\S.*\|.*)\n *([-:]+ *\|[-| :]*)\n((?:.*\|.*(?:\n|$))*)\n*/,
-  table: /^ *\|(.+)\n *\|( *[-:]+[-| :]*)\n((?: *\|.*(?:\n|$))*)\n*/
-});
+          continue;
+        } // code
 
-/**
- * Block Lexer
- */
 
-function Lexer(options) {
-  this.tokens = [];
-  this.tokens.links = {};
-  this.options = options || marked.defaults;
-  this.rules = block.normal;
+        if (token = this.tokenizer.code(src, tokens)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // fences
 
-  if (this.options.gfm) {
-    if (this.options.tables) {
-      this.rules = block.tables;
-    } else {
-      this.rules = block.gfm;
-    }
-  }
-}
 
-/**
- * Expose Block Rules
- */
+        if (token = this.tokenizer.fences(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // heading
 
-Lexer.rules = block;
 
-/**
- * Static Lex Method
- */
+        if (token = this.tokenizer.heading(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // table no leading pipe (gfm)
 
-Lexer.lex = function(src, options) {
-  var lexer = new Lexer(options);
-  return lexer.lex(src);
-};
 
-/**
- * Preprocessing
- */
+        if (token = this.tokenizer.nptable(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // hr
 
-Lexer.prototype.lex = function(src) {
-  src = src
-    .replace(/\r\n|\r/g, '\n')
-    .replace(/\t/g, '    ')
-    .replace(/\u00a0/g, ' ')
-    .replace(/\u2424/g, '\n');
 
-  return this.token(src, true);
-};
+        if (token = this.tokenizer.hr(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // blockquote
 
-/**
- * Lexing
- */
 
-Lexer.prototype.token = function(src, top, bq) {
-  var src = src.replace(/^ +$/gm, '')
-    , next
-    , loose
-    , cap
-    , bull
-    , b
-    , item
-    , space
-    , i
-    , l;
-
-  while (src) {
-    // newline
-    if (cap = this.rules.newline.exec(src)) {
-      src = src.substring(cap[0].length);
-      if (cap[0].length > 1) {
-        this.tokens.push({
-          type: 'space'
-        });
-      }
-    }
+        if (token = this.tokenizer.blockquote(src)) {
+          src = src.substring(token.raw.length);
+          token.tokens = this.blockTokens(token.text, [], top);
+          tokens.push(token);
+          continue;
+        } // list
 
-    // code
-    if (cap = this.rules.code.exec(src)) {
-      src = src.substring(cap[0].length);
-      cap = cap[0].replace(/^ {4}/gm, '');
-      this.tokens.push({
-        type: 'code',
-        text: !this.options.pedantic
-          ? cap.replace(/\n+$/, '')
-          : cap
-      });
-      continue;
-    }
 
-    // fences (gfm)
-    if (cap = this.rules.fences.exec(src)) {
-      src = src.substring(cap[0].length);
-      this.tokens.push({
-        type: 'code',
-        lang: cap[2],
-        text: cap[3]
-      });
-      continue;
-    }
+        if (token = this.tokenizer.list(src)) {
+          src = src.substring(token.raw.length);
+          l = token.items.length;
 
-    // heading
-    if (cap = this.rules.heading.exec(src)) {
-      src = src.substring(cap[0].length);
-      this.tokens.push({
-        type: 'heading',
-        depth: cap[1].length,
-        text: cap[2]
-      });
-      continue;
-    }
+          for (i = 0; i < l; i++) {
+            token.items[i].tokens = this.blockTokens(token.items[i].text, [], false);
+          }
 
-    // table no leading pipe (gfm)
-    if (top && (cap = this.rules.nptable.exec(src))) {
-      src = src.substring(cap[0].length);
+          tokens.push(token);
+          continue;
+        } // html
 
-      item = {
-        type: 'table',
-        header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */),
-        align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
-        cells: cap[3].replace(/\n$/, '').split('\n')
-      };
 
-      for (i = 0; i < item.align.length; i++) {
-        if (/^ *-+: *$/.test(item.align[i])) {
-          item.align[i] = 'right';
-        } else if (/^ *:-+: *$/.test(item.align[i])) {
-          item.align[i] = 'center';
-        } else if (/^ *:-+ *$/.test(item.align[i])) {
-          item.align[i] = 'left';
-        } else {
-          item.align[i] = null;
-        }
-      }
+        if (token = this.tokenizer.html(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // def
 
-      for (i = 0; i < item.cells.length; i++) {
-        item.cells[i] = item.cells[i].split(/ *\| */);
-      }
 
-      this.tokens.push(item);
+        if (top && (token = this.tokenizer.def(src))) {
+          src = src.substring(token.raw.length);
 
-      continue;
-    }
+          if (!this.tokens.links[token.tag]) {
+            this.tokens.links[token.tag] = {
+              href: token.href,
+              title: token.title
+            };
+          }
 
-    // lheading
-    if (cap = this.rules.lheading.exec(src)) {
-      src = src.substring(cap[0].length);
-      this.tokens.push({
-        type: 'heading',
-        depth: cap[2] === '=' ? 1 : 2,
-        text: cap[1]
-      });
-      continue;
-    }
+          continue;
+        } // table (gfm)
 
-    // hr
-    if (cap = this.rules.hr.exec(src)) {
-      src = src.substring(cap[0].length);
-      this.tokens.push({
-        type: 'hr'
-      });
-      continue;
-    }
 
-    // blockquote
-    if (cap = this.rules.blockquote.exec(src)) {
-      src = src.substring(cap[0].length);
+        if (token = this.tokenizer.table(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // lheading
 
-      this.tokens.push({
-        type: 'blockquote_start'
-      });
 
-      cap = cap[0].replace(/^ *> ?/gm, '');
+        if (token = this.tokenizer.lheading(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // top-level paragraph
 
-      // Pass `top` to keep the current
-      // "toplevel" state. This is exactly
-      // how markdown.pl works.
-      this.token(cap, top, true);
 
-      this.tokens.push({
-        type: 'blockquote_end'
-      });
+        if (top && (token = this.tokenizer.paragraph(src))) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // text
 
-      continue;
-    }
 
-    // list
-    if (cap = this.rules.list.exec(src)) {
-      src = src.substring(cap[0].length);
-      bull = cap[2];
-
-      this.tokens.push({
-        type: 'list_start',
-        ordered: bull.length > 1
-      });
-
-      // Get each top-level item.
-      cap = cap[0].match(this.rules.item);
-
-      next = false;
-      l = cap.length;
-      i = 0;
-
-      for (; i < l; i++) {
-        item = cap[i];
-
-        // Remove the list item's bullet
-        // so it is seen as the next token.
-        space = item.length;
-        item = item.replace(/^ *([*+-]|\d+\.) +/, '');
-
-        // Outdent whatever the
-        // list item contains. Hacky.
-        if (~item.indexOf('\n ')) {
-          space -= item.length;
-          item = !this.options.pedantic
-            ? item.replace(new RegExp('^ {1,' + space + '}', 'gm'), '')
-            : item.replace(/^ {1,4}/gm, '');
+        if (token = this.tokenizer.text(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
         }
 
-        // Determine whether the next list item belongs here.
-        // Backpedal if it does not belong in this list.
-        if (this.options.smartLists && i !== l - 1) {
-          b = block.bullet.exec(cap[i + 1])[0];
-          if (bull !== b && !(bull.length > 1 && b.length > 1)) {
-            src = cap.slice(i + 1).join('\n') + src;
-            i = l - 1;
+        if (src) {
+          var errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0);
+
+          if (this.options.silent) {
+            console.error(errMsg);
+            break;
+          } else {
+            throw new Error(errMsg);
           }
         }
+      }
+
+      return tokens;
+    };
 
-        // Determine whether item is loose or not.
-        // Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/
-        // for discount behavior.
-        loose = next || /\n\n(?!\s*$)/.test(item);
-        if (i !== l - 1) {
-          next = item.charAt(item.length - 1) === '\n';
-          if (!loose) loose = next;
+    _proto.inline = function inline(tokens) {
+      var i, j, k, l2, row, token;
+      var l = tokens.length;
+
+      for (i = 0; i < l; i++) {
+        token = tokens[i];
+
+        switch (token.type) {
+          case 'paragraph':
+          case 'text':
+          case 'heading':
+            {
+              token.tokens = [];
+              this.inlineTokens(token.text, token.tokens);
+              break;
+            }
+
+          case 'table':
+            {
+              token.tokens = {
+                header: [],
+                cells: []
+              }; // header
+
+              l2 = token.header.length;
+
+              for (j = 0; j < l2; j++) {
+                token.tokens.header[j] = [];
+                this.inlineTokens(token.header[j], token.tokens.header[j]);
+              } // cells
+
+
+              l2 = token.cells.length;
+
+              for (j = 0; j < l2; j++) {
+                row = token.cells[j];
+                token.tokens.cells[j] = [];
+
+                for (k = 0; k < row.length; k++) {
+                  token.tokens.cells[j][k] = [];
+                  this.inlineTokens(row[k], token.tokens.cells[j][k]);
+                }
+              }
+
+              break;
+            }
+
+          case 'blockquote':
+            {
+              this.inline(token.tokens);
+              break;
+            }
+
+          case 'list':
+            {
+              l2 = token.items.length;
+
+              for (j = 0; j < l2; j++) {
+                this.inline(token.items[j].tokens);
+              }
+
+              break;
+            }
         }
+      }
 
-        this.tokens.push({
-          type: loose
-            ? 'loose_item_start'
-            : 'list_item_start'
-        });
+      return tokens;
+    }
+    /**
+     * Lexing/Compiling
+     */
+    ;
+
+    _proto.inlineTokens = function inlineTokens(src, tokens, inLink, inRawBlock) {
+      if (tokens === void 0) {
+        tokens = [];
+      }
 
-        // Recurse.
-        this.token(item, false, bq);
+      if (inLink === void 0) {
+        inLink = false;
+      }
 
-        this.tokens.push({
-          type: 'list_item_end'
-        });
+      if (inRawBlock === void 0) {
+        inRawBlock = false;
       }
 
-      this.tokens.push({
-        type: 'list_end'
-      });
+      var token;
 
-      continue;
-    }
+      while (src) {
+        // escape
+        if (token = this.tokenizer.escape(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // tag
 
-    // html
-    if (cap = this.rules.html.exec(src)) {
-      src = src.substring(cap[0].length);
-      this.tokens.push({
-        type: this.options.sanitize
-          ? 'paragraph'
-          : 'html',
-        pre: cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style',
-        text: cap[0]
-      });
-      continue;
-    }
 
-    // def
-    if ((!bq && top) && (cap = this.rules.def.exec(src))) {
-      src = src.substring(cap[0].length);
-      this.tokens.links[cap[1].toLowerCase()] = {
-        href: cap[2],
-        title: cap[3]
-      };
-      continue;
-    }
+        if (token = this.tokenizer.tag(src, inLink, inRawBlock)) {
+          src = src.substring(token.raw.length);
+          inLink = token.inLink;
+          inRawBlock = token.inRawBlock;
+          tokens.push(token);
+          continue;
+        } // link
 
-    // table (gfm)
-    if (top && (cap = this.rules.table.exec(src))) {
-      src = src.substring(cap[0].length);
 
-      item = {
-        type: 'table',
-        header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */),
-        align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
-        cells: cap[3].replace(/(?: *\| *)?\n$/, '').split('\n')
-      };
+        if (token = this.tokenizer.link(src)) {
+          src = src.substring(token.raw.length);
 
-      for (i = 0; i < item.align.length; i++) {
-        if (/^ *-+: *$/.test(item.align[i])) {
-          item.align[i] = 'right';
-        } else if (/^ *:-+: *$/.test(item.align[i])) {
-          item.align[i] = 'center';
-        } else if (/^ *:-+ *$/.test(item.align[i])) {
-          item.align[i] = 'left';
-        } else {
-          item.align[i] = null;
-        }
-      }
+          if (token.type === 'link') {
+            token.tokens = this.inlineTokens(token.text, [], true, inRawBlock);
+          }
 
-      for (i = 0; i < item.cells.length; i++) {
-        item.cells[i] = item.cells[i]
-          .replace(/^ *\| *| *\| *$/g, '')
-          .split(/ *\| */);
-      }
+          tokens.push(token);
+          continue;
+        } // reflink, nolink
 
-      this.tokens.push(item);
 
-      continue;
-    }
+        if (token = this.tokenizer.reflink(src, this.tokens.links)) {
+          src = src.substring(token.raw.length);
 
-    // top-level paragraph
-    if (top && (cap = this.rules.paragraph.exec(src))) {
-      src = src.substring(cap[0].length);
-      this.tokens.push({
-        type: 'paragraph',
-        text: cap[1].charAt(cap[1].length - 1) === '\n'
-          ? cap[1].slice(0, -1)
-          : cap[1]
-      });
-      continue;
-    }
+          if (token.type === 'link') {
+            token.tokens = this.inlineTokens(token.text, [], true, inRawBlock);
+          }
 
-    // text
-    if (cap = this.rules.text.exec(src)) {
-      // Top-level should never reach here.
-      src = src.substring(cap[0].length);
-      this.tokens.push({
-        type: 'text',
-        text: cap[0]
-      });
-      continue;
-    }
+          tokens.push(token);
+          continue;
+        } // strong
 
-    if (src) {
-      throw new
-        Error('Infinite loop on byte: ' + src.charCodeAt(0));
-    }
-  }
 
-  return this.tokens;
-};
+        if (token = this.tokenizer.strong(src)) {
+          src = src.substring(token.raw.length);
+          token.tokens = this.inlineTokens(token.text, [], inLink, inRawBlock);
+          tokens.push(token);
+          continue;
+        } // em
 
-/**
- * Inline-Level Grammar
- */
 
-var inline = {
-  escape: /^\\([\\`*{}\[\]()#+\-.!_>])/,
-  autolink: /^<([^ >]+(@|:\/)[^ >]+)>/,
-  url: noop,
-  tag: /^<!--[\s\S]*?-->|^<\/?\w+(?:"[^"]*"|'[^']*'|[^'">])*?>/,
-  link: /^!?\[(inside)\]\(href\)/,
-  reflink: /^!?\[(inside)\]\s*\[([^\]]*)\]/,
-  nolink: /^!?\[((?:\[[^\]]*\]|[^\[\]])*)\]/,
-  strong: /^__([\s\S]+?)__(?!_)|^\*\*([\s\S]+?)\*\*(?!\*)/,
-  em: /^\b_((?:__|[\s\S])+?)_\b|^\*((?:\*\*|[\s\S])+?)\*(?!\*)/,
-  code: /^(`+)\s*([\s\S]*?[^`])\s*\1(?!`)/,
-  br: /^ {2,}\n(?!\s*$)/,
-  del: noop,
-  text: /^[\s\S]+?(?=[\\<!\[_*`]| {2,}\n|$)/
-};
-
-inline._inside = /(?:\[[^\]]*\]|[^\[\]]|\](?=[^\[]*\]))*/;
-inline._href = /\s*<?([\s\S]*?)>?(?:\s+['"]([\s\S]*?)['"])?\s*/;
-
-inline.link = replace(inline.link)
-  ('inside', inline._inside)
-  ('href', inline._href)
-  ();
-
-inline.reflink = replace(inline.reflink)
-  ('inside', inline._inside)
-  ();
+        if (token = this.tokenizer.em(src)) {
+          src = src.substring(token.raw.length);
+          token.tokens = this.inlineTokens(token.text, [], inLink, inRawBlock);
+          tokens.push(token);
+          continue;
+        } // code
 
-/**
- * Normal Inline Grammar
- */
 
-inline.normal = merge({}, inline);
+        if (token = this.tokenizer.codespan(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // br
 
-/**
- * Pedantic Inline Grammar
- */
 
-inline.pedantic = merge({}, inline.normal, {
-  strong: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,
-  em: /^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/
-});
+        if (token = this.tokenizer.br(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // del (gfm)
 
-/**
- * GFM Inline Grammar
- */
 
-inline.gfm = merge({}, inline.normal, {
-  escape: replace(inline.escape)('])', '~|])')(),
-  url: /^(https?:\/\/[^\s<]+[^<.,:;"')\]\s])/,
-  del: /^~~(?=\S)([\s\S]*?\S)~~/,
-  text: replace(inline.text)
-    (']|', '~]|')
-    ('|', '|https?://|')
-    ()
-});
+        if (token = this.tokenizer.del(src)) {
+          src = src.substring(token.raw.length);
+          token.tokens = this.inlineTokens(token.text, [], inLink, inRawBlock);
+          tokens.push(token);
+          continue;
+        } // autolink
 
-/**
- * GFM + Line Breaks Inline Grammar
- */
 
-inline.breaks = merge({}, inline.gfm, {
-  br: replace(inline.br)('{2,}', '*')(),
-  text: replace(inline.gfm.text)('{2,}', '*')()
-});
+        if (token = this.tokenizer.autolink(src, mangle)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // url (gfm)
 
-/**
- * Inline Lexer & Compiler
- */
 
-function InlineLexer(links, options) {
-  this.options = options || marked.defaults;
-  this.links = links;
-  this.rules = inline.normal;
-  this.renderer = this.options.renderer || new Renderer;
-  this.renderer.options = this.options;
+        if (!inLink && (token = this.tokenizer.url(src, mangle))) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        } // text
 
-  if (!this.links) {
-    throw new
-      Error('Tokens array requires a `links` property.');
-  }
 
-  if (this.options.gfm) {
-    if (this.options.breaks) {
-      this.rules = inline.breaks;
-    } else {
-      this.rules = inline.gfm;
-    }
-  } else if (this.options.pedantic) {
-    this.rules = inline.pedantic;
-  }
-}
+        if (token = this.tokenizer.inlineText(src, inRawBlock, smartypants)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        }
 
-/**
- * Expose Inline Rules
- */
+        if (src) {
+          var errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0);
 
-InlineLexer.rules = inline;
+          if (this.options.silent) {
+            console.error(errMsg);
+            break;
+          } else {
+            throw new Error(errMsg);
+          }
+        }
+      }
 
-/**
- * Static Lexing/Compiling Method
- */
+      return tokens;
+    };
 
-InlineLexer.output = function(src, links, options) {
-  var inline = new InlineLexer(links, options);
-  return inline.output(src);
-};
+    _createClass(Lexer, null, [{
+      key: "rules",
+      get: function get() {
+        return {
+          block: block$1,
+          inline: inline$1
+        };
+      }
+    }]);
 
-/**
- * Lexing/Compiling
- */
+    return Lexer;
+  }();
 
-InlineLexer.prototype.output = function(src) {
-  var out = ''
-    , link
-    , text
-    , href
-    , cap;
-
-  while (src) {
-    // escape
-    if (cap = this.rules.escape.exec(src)) {
-      src = src.substring(cap[0].length);
-      out += cap[1];
-      continue;
-    }
+  var defaults$3 = defaults.defaults;
+  var cleanUrl$1 = helpers.cleanUrl,
+      escape$1 = helpers.escape;
+  /**
+   * Renderer
+   */
 
-    // autolink
-    if (cap = this.rules.autolink.exec(src)) {
-      src = src.substring(cap[0].length);
-      if (cap[2] === '@') {
-        text = cap[1].charAt(6) === ':'
-          ? this.mangle(cap[1].substring(7))
-          : this.mangle(cap[1]);
-        href = this.mangle('mailto:') + text;
-      } else {
-        text = escape(cap[1]);
-        href = text;
-      }
-      out += this.renderer.link(href, null, text);
-      continue;
+  var Renderer_1 = /*#__PURE__*/function () {
+    function Renderer(options) {
+      this.options = options || defaults$3;
     }
 
-    // url (gfm)
-    if (!this.inLink && (cap = this.rules.url.exec(src))) {
-      src = src.substring(cap[0].length);
-      text = escape(cap[1]);
-      href = text;
-      out += this.renderer.link(href, null, text);
-      continue;
-    }
+    var _proto = Renderer.prototype;
 
-    // tag
-    if (cap = this.rules.tag.exec(src)) {
-      if (!this.inLink && /^<a /i.test(cap[0])) {
-        this.inLink = true;
-      } else if (this.inLink && /^<\/a>/i.test(cap[0])) {
-        this.inLink = false;
-      }
-      src = src.substring(cap[0].length);
-      out += this.options.sanitize
-        ? escape(cap[0])
-        : cap[0];
-      continue;
-    }
+    _proto.code = function code(_code, infostring, escaped) {
+      var lang = (infostring || '').match(/\S*/)[0];
 
-    // link
-    if (cap = this.rules.link.exec(src)) {
-      src = src.substring(cap[0].length);
-      this.inLink = true;
-      out += this.outputLink(cap, {
-        href: cap[2],
-        title: cap[3]
-      });
-      this.inLink = false;
-      continue;
-    }
+      if (this.options.highlight) {
+        var out = this.options.highlight(_code, lang);
 
-    // reflink, nolink
-    if ((cap = this.rules.reflink.exec(src))
-        || (cap = this.rules.nolink.exec(src))) {
-      src = src.substring(cap[0].length);
-      link = (cap[2] || cap[1]).replace(/\s+/g, ' ');
-      link = this.links[link.toLowerCase()];
-      if (!link || !link.href) {
-        out += cap[0].charAt(0);
-        src = cap[0].substring(1) + src;
-        continue;
+        if (out != null && out !== _code) {
+          escaped = true;
+          _code = out;
+        }
       }
-      this.inLink = true;
-      out += this.outputLink(cap, link);
-      this.inLink = false;
-      continue;
-    }
 
-    // strong
-    if (cap = this.rules.strong.exec(src)) {
-      src = src.substring(cap[0].length);
-      out += this.renderer.strong(this.output(cap[2] || cap[1]));
-      continue;
-    }
+      if (!lang) {
+        return '<pre><code>' + (escaped ? _code : escape$1(_code, true)) + '</code></pre>';
+      }
 
-    // em
-    if (cap = this.rules.em.exec(src)) {
-      src = src.substring(cap[0].length);
-      out += this.renderer.em(this.output(cap[2] || cap[1]));
-      continue;
-    }
+      return '<pre><code class="' + this.options.langPrefix + escape$1(lang, true) + '">' + (escaped ? _code 
: escape$1(_code, true)) + '</code></pre>\n';
+    };
 
-    // code
-    if (cap = this.rules.code.exec(src)) {
-      src = src.substring(cap[0].length);
-      out += this.renderer.codespan(escape(cap[2], true));
-      continue;
-    }
+    _proto.blockquote = function blockquote(quote) {
+      return '<blockquote>\n' + quote + '</blockquote>\n';
+    };
 
-    // br
-    if (cap = this.rules.br.exec(src)) {
-      src = src.substring(cap[0].length);
-      out += this.renderer.br();
-      continue;
-    }
+    _proto.html = function html(_html) {
+      return _html;
+    };
 
-    // del (gfm)
-    if (cap = this.rules.del.exec(src)) {
-      src = src.substring(cap[0].length);
-      out += this.renderer.del(this.output(cap[1]));
-      continue;
-    }
+    _proto.heading = function heading(text, level, raw, slugger) {
+      if (this.options.headerIds) {
+        return '<h' + level + ' id="' + this.options.headerPrefix + slugger.slug(raw) + '">' + text + '</h' 
+ level + '>\n';
+      } // ignore IDs
 
-    // text
-    if (cap = this.rules.text.exec(src)) {
-      src = src.substring(cap[0].length);
-      out += escape(this.smartypants(cap[0]));
-      continue;
-    }
 
-    if (src) {
-      throw new
-        Error('Infinite loop on byte: ' + src.charCodeAt(0));
-    }
-  }
+      return '<h' + level + '>' + text + '</h' + level + '>\n';
+    };
 
-  return out;
-};
+    _proto.hr = function hr() {
+      return this.options.xhtml ? '<hr/>\n' : '<hr>\n';
+    };
 
-/**
- * Compile Link
- */
+    _proto.list = function list(body, ordered, start) {
+      var type = ordered ? 'ol' : 'ul',
+          startatt = ordered && start !== 1 ? ' start="' + start + '"' : '';
+      return '<' + type + startatt + '>\n' + body + '</' + type + '>\n';
+    };
 
-InlineLexer.prototype.outputLink = function(cap, link) {
-  var href = escape(link.href)
-    , title = link.title ? escape(link.title) : null;
+    _proto.listitem = function listitem(text) {
+      return '<li>' + text + '</li>\n';
+    };
 
-  return cap[0].charAt(0) !== '!'
-    ? this.renderer.link(href, title, this.output(cap[1]))
-    : this.renderer.image(href, title, escape(cap[1]));
-};
+    _proto.checkbox = function checkbox(checked) {
+      return '<input ' + (checked ? 'checked="" ' : '') + 'disabled="" type="checkbox"' + 
(this.options.xhtml ? ' /' : '') + '> ';
+    };
 
-/**
- * Smartypants Transformations
- */
+    _proto.paragraph = function paragraph(text) {
+      return '<p>' + text + '</p>\n';
+    };
 
-InlineLexer.prototype.smartypants = function(text) {
-  if (!this.options.smartypants) return text;
-  return text
-    // em-dashes
-    .replace(/--/g, '\u2014')
-    // opening singles
-    .replace(/(^|[-\u2014/(\[{"\s])'/g, '$1\u2018')
-    // closing singles & apostrophes
-    .replace(/'/g, '\u2019')
-    // opening doubles
-    .replace(/(^|[-\u2014/(\[{\u2018\s])"/g, '$1\u201c')
-    // closing doubles
-    .replace(/"/g, '\u201d')
-    // ellipses
-    .replace(/\.{3}/g, '\u2026');
-};
+    _proto.table = function table(header, body) {
+      if (body) body = '<tbody>' + body + '</tbody>';
+      return '<table>\n' + '<thead>\n' + header + '</thead>\n' + body + '</table>\n';
+    };
 
-/**
- * Mangle Links
- */
+    _proto.tablerow = function tablerow(content) {
+      return '<tr>\n' + content + '</tr>\n';
+    };
 
-InlineLexer.prototype.mangle = function(text) {
-  var out = ''
-    , l = text.length
-    , i = 0
-    , ch;
+    _proto.tablecell = function tablecell(content, flags) {
+      var type = flags.header ? 'th' : 'td';
+      var tag = flags.align ? '<' + type + ' align="' + flags.align + '">' : '<' + type + '>';
+      return tag + content + '</' + type + '>\n';
+    } // span level renderer
+    ;
 
-  for (; i < l; i++) {
-    ch = text.charCodeAt(i);
-    if (Math.random() > 0.5) {
-      ch = 'x' + ch.toString(16);
-    }
-    out += '&#' + ch + ';';
-  }
+    _proto.strong = function strong(text) {
+      return '<strong>' + text + '</strong>';
+    };
 
-  return out;
-};
+    _proto.em = function em(text) {
+      return '<em>' + text + '</em>';
+    };
 
-/**
- * Renderer
- */
+    _proto.codespan = function codespan(text) {
+      return '<code>' + text + '</code>';
+    };
 
-function Renderer(options) {
-  this.options = options || {};
-}
+    _proto.br = function br() {
+      return this.options.xhtml ? '<br/>' : '<br>';
+    };
 
-Renderer.prototype.code = function(code, lang, escaped) {
-  if (this.options.highlight) {
-    var out = this.options.highlight(code, lang);
-    if (out != null && out !== code) {
-      escaped = true;
-      code = out;
-    }
-  }
+    _proto.del = function del(text) {
+      return '<del>' + text + '</del>';
+    };
 
-  if (!lang) {
-    return '<pre><code>'
-      + (escaped ? code : escape(code, true))
-      + '\n</code></pre>';
-  }
+    _proto.link = function link(href, title, text) {
+      href = cleanUrl$1(this.options.sanitize, this.options.baseUrl, href);
 
-  return '<pre><code class="'
-    + this.options.langPrefix
-    + escape(lang, true)
-    + '">'
-    + (escaped ? code : escape(code, true))
-    + '\n</code></pre>\n';
-};
-
-Renderer.prototype.blockquote = function(quote) {
-  return '<blockquote>\n' + quote + '</blockquote>\n';
-};
-
-Renderer.prototype.html = function(html) {
-  return html;
-};
-
-Renderer.prototype.heading = function(text, level, raw) {
-  return '<h'
-    + level
-    + ' id="'
-    + this.options.headerPrefix
-    + raw.toLowerCase().replace(/[^\w]+/g, '-')
-    + '">'
-    + text
-    + '</h'
-    + level
-    + '>\n';
-};
-
-Renderer.prototype.hr = function() {
-  return this.options.xhtml ? '<hr/>\n' : '<hr>\n';
-};
-
-Renderer.prototype.list = function(body, ordered) {
-  var type = ordered ? 'ol' : 'ul';
-  return '<' + type + '>\n' + body + '</' + type + '>\n';
-};
-
-Renderer.prototype.listitem = function(text) {
-  return '<li>' + text + '</li>\n';
-};
-
-Renderer.prototype.paragraph = function(text) {
-  return '<p>' + text + '</p>\n';
-};
-
-Renderer.prototype.table = function(header, body) {
-  return '<table>\n'
-    + '<thead>\n'
-    + header
-    + '</thead>\n'
-    + '<tbody>\n'
-    + body
-    + '</tbody>\n'
-    + '</table>\n';
-};
-
-Renderer.prototype.tablerow = function(content) {
-  return '<tr>\n' + content + '</tr>\n';
-};
-
-Renderer.prototype.tablecell = function(content, flags) {
-  var type = flags.header ? 'th' : 'td';
-  var tag = flags.align
-    ? '<' + type + ' style="text-align:' + flags.align + '">'
-    : '<' + type + '>';
-  return tag + content + '</' + type + '>\n';
-};
-
-// span level renderer
-Renderer.prototype.strong = function(text) {
-  return '<strong>' + text + '</strong>';
-};
-
-Renderer.prototype.em = function(text) {
-  return '<em>' + text + '</em>';
-};
-
-Renderer.prototype.codespan = function(text) {
-  return '<code>' + text + '</code>';
-};
-
-Renderer.prototype.br = function() {
-  return this.options.xhtml ? '<br/>' : '<br>';
-};
-
-Renderer.prototype.del = function(text) {
-  return '<del>' + text + '</del>';
-};
-
-Renderer.prototype.link = function(href, title, text) {
-  if (this.options.sanitize) {
-    try {
-      var prot = decodeURIComponent(unescape(href))
-        .replace(/[^\w:]/g, '')
-        .toLowerCase();
-    } catch (e) {
-      return '';
-    }
-    if (prot.indexOf('javascript:') === 0) {
-      return '';
-    }
-  }
-  var out = '<a href="' + href + '"';
-  if (title) {
-    out += ' title="' + title + '"';
-  }
-  out += '>' + text + '</a>';
-  return out;
-};
-
-Renderer.prototype.image = function(href, title, text) {
-  var out = '<img src="' + href + '" alt="' + text + '"';
-  if (title) {
-    out += ' title="' + title + '"';
-  }
-  out += this.options.xhtml ? '/>' : '>';
-  return out;
-};
+      if (href === null) {
+        return text;
+      }
 
-/**
- * Parsing & Compiling
- */
+      var out = '<a href="' + escape$1(href) + '"';
 
-function Parser(options) {
-  this.tokens = [];
-  this.token = null;
-  this.options = options || marked.defaults;
-  this.options.renderer = this.options.renderer || new Renderer;
-  this.renderer = this.options.renderer;
-  this.renderer.options = this.options;
-}
+      if (title) {
+        out += ' title="' + title + '"';
+      }
 
-/**
- * Static Parse Method
- */
+      out += '>' + text + '</a>';
+      return out;
+    };
 
-Parser.parse = function(src, options, renderer) {
-  var parser = new Parser(options, renderer);
-  return parser.parse(src);
-};
+    _proto.image = function image(href, title, text) {
+      href = cleanUrl$1(this.options.sanitize, this.options.baseUrl, href);
 
-/**
- * Parse Loop
- */
+      if (href === null) {
+        return text;
+      }
 
-Parser.prototype.parse = function(src) {
-  this.inline = new InlineLexer(src.links, this.options, this.renderer);
-  this.tokens = src.reverse();
+      var out = '<img src="' + href + '" alt="' + text + '"';
 
-  var out = '';
-  while (this.next()) {
-    out += this.tok();
-  }
+      if (title) {
+        out += ' title="' + title + '"';
+      }
 
-  return out;
-};
+      out += this.options.xhtml ? '/>' : '>';
+      return out;
+    };
 
-/**
- * Next Token
- */
+    _proto.text = function text(_text) {
+      return _text;
+    };
 
-Parser.prototype.next = function() {
-  return this.token = this.tokens.pop();
-};
+    return Renderer;
+  }();
 
-/**
- * Preview Next Token
- */
+  /**
+   * TextRenderer
+   * returns only the textual part of the token
+   */
+  var TextRenderer_1 = /*#__PURE__*/function () {
+    function TextRenderer() {}
 
-Parser.prototype.peek = function() {
-  return this.tokens[this.tokens.length - 1] || 0;
-};
+    var _proto = TextRenderer.prototype;
 
-/**
- * Parse Text Tokens
- */
+    // no need for block level renderers
+    _proto.strong = function strong(text) {
+      return text;
+    };
 
-Parser.prototype.parseText = function() {
-  var body = this.token.text;
+    _proto.em = function em(text) {
+      return text;
+    };
 
-  while (this.peek().type === 'text') {
-    body += '\n' + this.next().text;
-  }
+    _proto.codespan = function codespan(text) {
+      return text;
+    };
 
-  return this.inline.output(body);
-};
+    _proto.del = function del(text) {
+      return text;
+    };
 
-/**
- * Parse Current Token
- */
+    _proto.html = function html(text) {
+      return text;
+    };
+
+    _proto.text = function text(_text) {
+      return _text;
+    };
+
+    _proto.link = function link(href, title, text) {
+      return '' + text;
+    };
+
+    _proto.image = function image(href, title, text) {
+      return '' + text;
+    };
 
-Parser.prototype.tok = function() {
-  switch (this.token.type) {
-    case 'space': {
+    _proto.br = function br() {
       return '';
+    };
+
+    return TextRenderer;
+  }();
+
+  /**
+   * Slugger generates header id
+   */
+  var Slugger_1 = /*#__PURE__*/function () {
+    function Slugger() {
+      this.seen = {};
     }
-    case 'hr': {
-      return this.renderer.hr();
-    }
-    case 'heading': {
-      return this.renderer.heading(
-        this.inline.output(this.token.text),
-        this.token.depth,
-        this.token.text);
-    }
-    case 'code': {
-      return this.renderer.code(this.token.text,
-        this.token.lang,
-        this.token.escaped);
-    }
-    case 'table': {
-      var header = ''
-        , body = ''
-        , i
-        , row
-        , cell
-        , flags
-        , j;
-
-      // header
-      cell = '';
-      for (i = 0; i < this.token.header.length; i++) {
-        flags = { header: true, align: this.token.align[i] };
-        cell += this.renderer.tablecell(
-          this.inline.output(this.token.header[i]),
-          { header: true, align: this.token.align[i] }
-        );
-      }
-      header += this.renderer.tablerow(cell);
+    /**
+     * Convert string to unique id
+     */
 
-      for (i = 0; i < this.token.cells.length; i++) {
-        row = this.token.cells[i];
 
-        cell = '';
-        for (j = 0; j < row.length; j++) {
-          cell += this.renderer.tablecell(
-            this.inline.output(row[j]),
-            { header: false, align: this.token.align[j] }
-          );
-        }
+    var _proto = Slugger.prototype;
 
-        body += this.renderer.tablerow(cell);
-      }
-      return this.renderer.table(header, body);
-    }
-    case 'blockquote_start': {
-      var body = '';
+    _proto.slug = function slug(value) {
+      var slug = value.toLowerCase().trim() // remove html tags
+      .replace(/<[!\/a-z].*?>/ig, '') // remove unwanted chars
+      .replace(/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,./:;<=>?@[\]^`{|}~]/g, '').replace(/\s/g, '-');
+
+      if (this.seen.hasOwnProperty(slug)) {
+        var originalSlug = slug;
 
-      while (this.next().type !== 'blockquote_end') {
-        body += this.tok();
+        do {
+          this.seen[originalSlug]++;
+          slug = originalSlug + '-' + this.seen[originalSlug];
+        } while (this.seen.hasOwnProperty(slug));
       }
 
-      return this.renderer.blockquote(body);
+      this.seen[slug] = 0;
+      return slug;
+    };
+
+    return Slugger;
+  }();
+
+  var defaults$4 = defaults.defaults;
+  var unescape$1 = helpers.unescape;
+  /**
+   * Parsing & Compiling
+   */
+
+  var Parser_1 = /*#__PURE__*/function () {
+    function Parser(options) {
+      this.options = options || defaults$4;
+      this.options.renderer = this.options.renderer || new Renderer_1();
+      this.renderer = this.options.renderer;
+      this.renderer.options = this.options;
+      this.textRenderer = new TextRenderer_1();
+      this.slugger = new Slugger_1();
     }
-    case 'list_start': {
-      var body = ''
-        , ordered = this.token.ordered;
+    /**
+     * Static Parse Method
+     */
 
-      while (this.next().type !== 'list_end') {
-        body += this.tok();
-      }
 
-      return this.renderer.list(body, ordered);
+    Parser.parse = function parse(tokens, options) {
+      var parser = new Parser(options);
+      return parser.parse(tokens);
     }
-    case 'list_item_start': {
-      var body = '';
+    /**
+     * Parse Loop
+     */
+    ;
 
-      while (this.next().type !== 'list_item_end') {
-        body += this.token.type === 'text'
-          ? this.parseText()
-          : this.tok();
-      }
+    var _proto = Parser.prototype;
 
-      return this.renderer.listitem(body);
-    }
-    case 'loose_item_start': {
-      var body = '';
+    _proto.parse = function parse(tokens, top) {
+      if (top === void 0) {
+        top = true;
+      }
 
-      while (this.next().type !== 'list_item_end') {
-        body += this.tok();
+      var out = '',
+          i,
+          j,
+          k,
+          l2,
+          l3,
+          row,
+          cell,
+          header,
+          body,
+          token,
+          ordered,
+          start,
+          loose,
+          itemBody,
+          item,
+          checked,
+          task,
+          checkbox;
+      var l = tokens.length;
+
+      for (i = 0; i < l; i++) {
+        token = tokens[i];
+
+        switch (token.type) {
+          case 'space':
+            {
+              continue;
+            }
+
+          case 'hr':
+            {
+              out += this.renderer.hr();
+              continue;
+            }
+
+          case 'heading':
+            {
+              out += this.renderer.heading(this.parseInline(token.tokens), token.depth, 
unescape$1(this.parseInline(token.tokens, this.textRenderer)), this.slugger);
+              continue;
+            }
+
+          case 'code':
+            {
+              out += this.renderer.code(token.text, token.lang, token.escaped);
+              continue;
+            }
+
+          case 'table':
+            {
+              header = ''; // header
+
+              cell = '';
+              l2 = token.header.length;
+
+              for (j = 0; j < l2; j++) {
+                cell += this.renderer.tablecell(this.parseInline(token.tokens.header[j]), {
+                  header: true,
+                  align: token.align[j]
+                });
+              }
+
+              header += this.renderer.tablerow(cell);
+              body = '';
+              l2 = token.cells.length;
+
+              for (j = 0; j < l2; j++) {
+                row = token.tokens.cells[j];
+                cell = '';
+                l3 = row.length;
+
+                for (k = 0; k < l3; k++) {
+                  cell += this.renderer.tablecell(this.parseInline(row[k]), {
+                    header: false,
+                    align: token.align[k]
+                  });
+                }
+
+                body += this.renderer.tablerow(cell);
+              }
+
+              out += this.renderer.table(header, body);
+              continue;
+            }
+
+          case 'blockquote':
+            {
+              body = this.parse(token.tokens);
+              out += this.renderer.blockquote(body);
+              continue;
+            }
+
+          case 'list':
+            {
+              ordered = token.ordered;
+              start = token.start;
+              loose = token.loose;
+              l2 = token.items.length;
+              body = '';
+
+              for (j = 0; j < l2; j++) {
+                item = token.items[j];
+                checked = item.checked;
+                task = item.task;
+                itemBody = '';
+
+                if (item.task) {
+                  checkbox = this.renderer.checkbox(checked);
+
+                  if (loose) {
+                    if (item.tokens[0].type === 'text') {
+                      item.tokens[0].text = checkbox + ' ' + item.tokens[0].text;
+
+                      if (item.tokens[0].tokens && item.tokens[0].tokens.length > 0 && 
item.tokens[0].tokens[0].type === 'text') {
+                        item.tokens[0].tokens[0].text = checkbox + ' ' + item.tokens[0].tokens[0].text;
+                      }
+                    } else {
+                      item.tokens.unshift({
+                        type: 'text',
+                        text: checkbox
+                      });
+                    }
+                  } else {
+                    itemBody += checkbox;
+                  }
+                }
+
+                itemBody += this.parse(item.tokens, loose);
+                body += this.renderer.listitem(itemBody, task, checked);
+              }
+
+              out += this.renderer.list(body, ordered, start);
+              continue;
+            }
+
+          case 'html':
+            {
+              // TODO parse inline content if parameter markdown=1
+              out += this.renderer.html(token.text);
+              continue;
+            }
+
+          case 'paragraph':
+            {
+              out += this.renderer.paragraph(this.parseInline(token.tokens));
+              continue;
+            }
+
+          case 'text':
+            {
+              body = token.tokens ? this.parseInline(token.tokens) : token.text;
+
+              while (i + 1 < l && tokens[i + 1].type === 'text') {
+                token = tokens[++i];
+                body += '\n' + (token.tokens ? this.parseInline(token.tokens) : token.text);
+              }
+
+              out += top ? this.renderer.paragraph(body) : body;
+              continue;
+            }
+
+          default:
+            {
+              var errMsg = 'Token with "' + token.type + '" type was not found.';
+
+              if (this.options.silent) {
+                console.error(errMsg);
+                return;
+              } else {
+                throw new Error(errMsg);
+              }
+            }
+        }
       }
 
-      return this.renderer.listitem(body);
-    }
-    case 'html': {
-      var html = !this.token.pre && !this.options.pedantic
-        ? this.inline.output(this.token.text)
-        : this.token.text;
-      return this.renderer.html(html);
+      return out;
     }
-    case 'paragraph': {
-      return this.renderer.paragraph(this.inline.output(this.token.text));
+    /**
+     * Parse Inline Tokens
+     */
+    ;
+
+    _proto.parseInline = function parseInline(tokens, renderer) {
+      renderer = renderer || this.renderer;
+      var out = '',
+          i,
+          token;
+      var l = tokens.length;
+
+      for (i = 0; i < l; i++) {
+        token = tokens[i];
+
+        switch (token.type) {
+          case 'escape':
+            {
+              out += renderer.text(token.text);
+              break;
+            }
+
+          case 'html':
+            {
+              out += renderer.html(token.text);
+              break;
+            }
+
+          case 'link':
+            {
+              out += renderer.link(token.href, token.title, this.parseInline(token.tokens, renderer));
+              break;
+            }
+
+          case 'image':
+            {
+              out += renderer.image(token.href, token.title, token.text);
+              break;
+            }
+
+          case 'strong':
+            {
+              out += renderer.strong(this.parseInline(token.tokens, renderer));
+              break;
+            }
+
+          case 'em':
+            {
+              out += renderer.em(this.parseInline(token.tokens, renderer));
+              break;
+            }
+
+          case 'codespan':
+            {
+              out += renderer.codespan(token.text);
+              break;
+            }
+
+          case 'br':
+            {
+              out += renderer.br();
+              break;
+            }
+
+          case 'del':
+            {
+              out += renderer.del(this.parseInline(token.tokens, renderer));
+              break;
+            }
+
+          case 'text':
+            {
+              out += renderer.text(token.text);
+              break;
+            }
+
+          default:
+            {
+              var errMsg = 'Token with "' + token.type + '" type was not found.';
+
+              if (this.options.silent) {
+                console.error(errMsg);
+                return;
+              } else {
+                throw new Error(errMsg);
+              }
+            }
+        }
+      }
+
+      return out;
+    };
+
+    return Parser;
+  }();
+
+  var merge$2 = helpers.merge,
+      checkSanitizeDeprecation$1 = helpers.checkSanitizeDeprecation,
+      escape$2 = helpers.escape;
+  var getDefaults = defaults.getDefaults,
+      changeDefaults = defaults.changeDefaults,
+      defaults$5 = defaults.defaults;
+  /**
+   * Marked
+   */
+
+  function marked(src, opt, callback) {
+    // throw error in case of non string input
+    if (typeof src === 'undefined' || src === null) {
+      throw new Error('marked(): input parameter is undefined or null');
     }
-    case 'text': {
-      return this.renderer.paragraph(this.parseText());
+
+    if (typeof src !== 'string') {
+      throw new Error('marked(): input parameter is of type ' + Object.prototype.toString.call(src) + ', 
string expected');
     }
-  }
-};
 
-/**
- * Helpers
- */
+    if (callback || typeof opt === 'function') {
+      var _ret = function () {
+        if (!callback) {
+          callback = opt;
+          opt = null;
+        }
 
-function escape(html, encode) {
-  return html
-    .replace(!encode ? /&(?!#?\w+;)/g : /&/g, '&amp;')
-    .replace(/</g, '&lt;')
-    .replace(/>/g, '&gt;')
-    .replace(/"/g, '&quot;')
-    .replace(/'/g, '&#39;');
-}
-
-function unescape(html) {
-  return html.replace(/&([#\w]+);/g, function(_, n) {
-    n = n.toLowerCase();
-    if (n === 'colon') return ':';
-    if (n.charAt(0) === '#') {
-      return n.charAt(1) === 'x'
-        ? String.fromCharCode(parseInt(n.substring(2), 16))
-        : String.fromCharCode(+n.substring(1));
-    }
-    return '';
-  });
-}
-
-function replace(regex, opt) {
-  regex = regex.source;
-  opt = opt || '';
-  return function self(name, val) {
-    if (!name) return new RegExp(regex, opt);
-    val = val.source || val;
-    val = val.replace(/(^|[^\[])\^/g, '$1');
-    regex = regex.replace(name, val);
-    return self;
-  };
-}
+        opt = merge$2({}, marked.defaults, opt || {});
+        checkSanitizeDeprecation$1(opt);
+        var highlight = opt.highlight;
+        var tokens,
+            pending,
+            i = 0;
+
+        try {
+          tokens = Lexer_1.lex(src, opt);
+        } catch (e) {
+          return {
+            v: callback(e)
+          };
+        }
 
-function noop() {}
-noop.exec = noop;
+        pending = tokens.length;
 
-function merge(obj) {
-  var i = 1
-    , target
-    , key;
+        var done = function done(err) {
+          if (err) {
+            opt.highlight = highlight;
+            return callback(err);
+          }
 
-  for (; i < arguments.length; i++) {
-    target = arguments[i];
-    for (key in target) {
-      if (Object.prototype.hasOwnProperty.call(target, key)) {
-        obj[key] = target[key];
-      }
-    }
-  }
+          var out;
 
-  return obj;
-}
+          try {
+            out = Parser_1.parse(tokens, opt);
+          } catch (e) {
+            err = e;
+          }
 
+          opt.highlight = highlight;
+          return err ? callback(err) : callback(null, out);
+        };
 
-/**
- * Marked
- */
+        if (!highlight || highlight.length < 3) {
+          return {
+            v: done()
+          };
+        }
 
-function marked(src, opt, callback) {
-  if (callback || typeof opt === 'function') {
-    if (!callback) {
-      callback = opt;
-      opt = null;
-    }
+        delete opt.highlight;
+        if (!pending) return {
+          v: done()
+        };
+
+        for (; i < tokens.length; i++) {
+          (function (token) {
+            if (token.type !== 'code') {
+              return --pending || done();
+            }
+
+            return highlight(token.text, token.lang, function (err, code) {
+              if (err) return done(err);
+
+              if (code == null || code === token.text) {
+                return --pending || done();
+              }
+
+              token.text = code;
+              token.escaped = true;
+              --pending || done();
+            });
+          })(tokens[i]);
+        }
 
-    opt = merge({}, marked.defaults, opt || {});
+        return {
+          v: void 0
+        };
+      }();
 
-    var highlight = opt.highlight
-      , tokens
-      , pending
-      , i = 0;
+      if (typeof _ret === "object") return _ret.v;
+    }
 
     try {
-      tokens = Lexer.lex(src, opt)
+      opt = merge$2({}, marked.defaults, opt || {});
+      checkSanitizeDeprecation$1(opt);
+      return Parser_1.parse(Lexer_1.lex(src, opt), opt);
     } catch (e) {
-      return callback(e);
+      e.message += '\nPlease report this to https://github.com/markedjs/marked.';
+
+      if ((opt || marked.defaults).silent) {
+        return '<p>An error occurred:</p><pre>' + escape$2(e.message + '', true) + '</pre>';
+      }
+
+      throw e;
     }
+  }
+  /**
+   * Options
+   */
 
-    pending = tokens.length;
 
-    var done = function(err) {
-      if (err) {
-        opt.highlight = highlight;
-        return callback(err);
-      }
+  marked.options = marked.setOptions = function (opt) {
+    merge$2(marked.defaults, opt);
+    changeDefaults(marked.defaults);
+    return marked;
+  };
 
-      var out;
+  marked.getDefaults = getDefaults;
+  marked.defaults = defaults$5;
+  /**
+   * Use Extension
+   */
 
-      try {
-        out = Parser.parse(tokens, opt);
-      } catch (e) {
-        err = e;
-      }
+  marked.use = function (extension) {
+    var opts = merge$2({}, extension);
 
-      opt.highlight = highlight;
+    if (extension.renderer) {
+      (function () {
+        var renderer = marked.defaults.renderer || new Renderer_1();
 
-      return err
-        ? callback(err)
-        : callback(null, out);
-    };
+        var _loop = function _loop(prop) {
+          var prevRenderer = renderer[prop];
 
-    if (!highlight || highlight.length < 3) {
-      return done();
-    }
+          renderer[prop] = function () {
+            for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+              args[_key] = arguments[_key];
+            }
 
-    delete opt.highlight;
+            var ret = extension.renderer[prop].apply(renderer, args);
 
-    if (!pending) return done();
+            if (ret === false) {
+              ret = prevRenderer.apply(renderer, args);
+            }
 
-    for (; i < tokens.length; i++) {
-      (function(token) {
-        if (token.type !== 'code') {
-          return --pending || done();
+            return ret;
+          };
+        };
+
+        for (var prop in extension.renderer) {
+          _loop(prop);
         }
-        return highlight(token.text, token.lang, function(err, code) {
-          if (err) return done(err);
-          if (code == null || code === token.text) {
-            return --pending || done();
-          }
-          token.text = code;
-          token.escaped = true;
-          --pending || done();
-        });
-      })(tokens[i]);
-    }
 
-    return;
-  }
-  try {
-    if (opt) opt = merge({}, marked.defaults, opt);
-    return Parser.parse(Lexer.lex(src, opt), opt);
-  } catch (e) {
-    e.message += '\nPlease report this to https://github.com/chjj/marked.';
-    if ((opt || marked.defaults).silent) {
-      return '<p>An error occured:</p><pre>'
-        + escape(e.message + '', true)
-        + '</pre>';
+        opts.renderer = renderer;
+      })();
     }
-    throw e;
-  }
-}
 
-/**
- * Options
- */
+    if (extension.tokenizer) {
+      (function () {
+        var tokenizer = marked.defaults.tokenizer || new Tokenizer_1();
 
-marked.options =
-marked.setOptions = function(opt) {
-  merge(marked.defaults, opt);
-  return marked;
-};
-
-marked.defaults = {
-  gfm: true,
-  tables: true,
-  breaks: false,
-  pedantic: false,
-  sanitize: false,
-  smartLists: false,
-  silent: false,
-  highlight: null,
-  langPrefix: 'lang-',
-  smartypants: false,
-  headerPrefix: '',
-  renderer: new Renderer,
-  xhtml: false
-};
+        var _loop2 = function _loop2(prop) {
+          var prevTokenizer = tokenizer[prop];
 
-/**
- * Expose
- */
+          tokenizer[prop] = function () {
+            for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+              args[_key2] = arguments[_key2];
+            }
+
+            var ret = extension.tokenizer[prop].apply(tokenizer, args);
 
-marked.Parser = Parser;
-marked.parser = Parser.parse;
+            if (ret === false) {
+              ret = prevTokenizer.apply(tokenizer, args);
+            }
 
-marked.Renderer = Renderer;
+            return ret;
+          };
+        };
 
-marked.Lexer = Lexer;
-marked.lexer = Lexer.lex;
+        for (var prop in extension.tokenizer) {
+          _loop2(prop);
+        }
+
+        opts.tokenizer = tokenizer;
+      })();
+    }
 
-marked.InlineLexer = InlineLexer;
-marked.inlineLexer = InlineLexer.output;
+    marked.setOptions(opts);
+  };
+  /**
+   * Expose
+   */
 
-marked.parse = marked;
 
-if (typeof module !== 'undefined' && typeof exports === 'object') {
-  module.exports = marked;
-} else if (typeof define === 'function' && define.amd) {
-  define(function() { return marked; });
-} else {
-  this.marked = marked;
-}
+  marked.Parser = Parser_1;
+  marked.parser = Parser_1.parse;
+  marked.Renderer = Renderer_1;
+  marked.TextRenderer = TextRenderer_1;
+  marked.Lexer = Lexer_1;
+  marked.lexer = Lexer_1.lex;
+  marked.Tokenizer = Tokenizer_1;
+  marked.Slugger = Slugger_1;
+  marked.parse = marked;
+  var marked_1 = marked;
 
-}).call(function() {
-  return this || (typeof window !== 'undefined' ? window : global);
-}());
+  return marked_1;
 
+})));



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