public/prism/prism-markdown.js


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47pre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008800 } /* Keyword.Pseudo */
.highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */
.highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */
.highlight .na { color: #336699 } /* Name.Attribute */
.highlight .nb { color: #003388 } /* Name.Builtin */
.highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */
.highlight .no { color: #003366; font-weight: bold } /* Name.Constant */
.highlight .nd { color: #555555 } /* Name.Decorator */
.highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */
.highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */
.highlight .nl { color: #336699; font-style: italic } /* Name.Label */
.highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */
.highlight .py { color: #336699; font-weight: bold } /* Name.Property */
.highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #336699 } /* Name.Variable */
.highlight .ow { color: #008800 } /* Operator.Word */
.highlight .w { color: #bbbbbb } /* Text.Whitespace */
.highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */
.highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */
.highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */
.highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */
.highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */
.highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */
.highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */
.highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */
.highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */
.highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */
.highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */
.highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */
.highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */
.highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */
.highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */
.highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */
.highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */
.highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */
.highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */
.highlight .vc { color: #336699 } /* Name.Variable.Class */
.highlight .vg { color: #dd7700 } /* Name.Variable.Global */
.highlight .vi { color: #3333bb } /* Name.Variable.Instance */
.highlight .vm { color: #336699 } /* Name.Variable.Magic */
.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */(function (Prism) {
  Prism.languages.dataweave = {
    url: /\b[A-Za-z]+:\/\/[\w/:.?=&-]+|\burn:[\w:.?=&-]+/,
    property: {
      pattern: /(?:\b\w+#)?(?:"(?:\\.|[^\\"\r\n])*"|\b\w+)(?=\s*[:@])/,
      greedy: true,
    },
    string: {
      pattern: /(["'`])(?:\\[\s\S]|(?!\1)[^\\])*\1/,
      greedy: true,
    },
    'mime-type': /\b(?:application|audio|image|multipart|text|video)\/[\w+-]+/,
    date: {
      pattern: /\|[\w:+-]+\|/,
      greedy: true,
    },
    comment: [
      {
        pattern: /(^|[^\\])\/\*[\s\S]*?(?:\*\/|$)/,
        lookbehind: true,
        greedy: true,
      },
      {
        pattern: /(^|[^\\:])\/\/.*/,
        lookbehind: true,
        greedy: true,
      },
    ],
    regex: {
      pattern: /\/(?:[^\\\/\r\n]|\\[^\r\n])+\//,
      greedy: true,
    },
    keyword:
      /\b(?:and|as|at|case|do|else|fun|if|input|is|match|not|ns|null|or|output|type|unless|update|using|var)\b/,
    function: /\b[A-Z_]\w*(?=\s*\()/i,
    number: /-?\b\d+(?:\.\d+)?(?:e[+-]?\d+)?\b/i,
    punctuation: /[{}[\];(),.:@]/,
    operator: /<<|>>|->|[<>~=]=?|!=|--?-?|\+\+?|!|\?/,
    boolean: /\b(?:false|true)\b/,
  };
})(Prism);
(function (Prism) {
  // Allow only one line break
  var inner = /(?:\\.|[^\\\n\r]|(?:\n|\r\n?)(?![\r\n]))/.source;

  /**
   * This function is intended for the creation of the bold or italic pattern.
   *
   * This also adds a lookbehind group to the given pattern to ensure that the pattern is not backslash-escaped.
   *
   * _Note:_ Keep in mind that this adds a capturing group.
   *
   * @param {string} pattern
   * @returns {RegExp}
   */
  function createInline(pattern) {
    pattern = pattern.replace(/<inner>/g, function () {
      return inner;
    });
    return RegExp(/((?:^|[^\\])(?:\\{2})*)/.source + '(?:' + pattern + ')');
  }

  var tableCell = /(?:\\.|``(?:[^`\r\n]|`(?!`))+``|`[^`\r\n]+`|[^\\|\r\n`])+/
    .source;
  var tableRow = /\|?__(?:\|__)+\|?(?:(?:\n|\r\n?)|(?![\s\S]))/.source.replace(
    /__/g,
    function () {
      return tableCell;
    }
  );
  var tableLine =
    /\|?[ \t]*:?-{3,}:?[ \t]*(?:\|[ \t]*:?-{3,}:?[ \t]*)+\|?(?:\n|\r\n?)/
      .source;

  Prism.languages.markdown = Prism.languages.extend('markup', {});
  Prism.languages.insertBefore('markdown', 'prolog', {
    'front-matter-block': {
      pattern: /(^(?:\s*[\r\n])?)---(?!.)[\s\S]*?[\r\n]---(?!.)/,
      lookbehind: true,
      greedy: true,
      inside: {
        punctuation: /^---|---$/,
        'front-matter': {
          pattern: /\S+(?:\s+\S+)*/,
          alias: ['yaml', 'language-yaml'],
          inside: Prism.languages.yaml,
        },
      },
    },
    blockquote: {
      // > ...
      pattern: /^>(?:[\t ]*>)*/m,
      alias: 'punctuation',
    },
    table: {
      pattern: RegExp(
        '^' + tableRow + tableLine + '(?:' + tableRow + ')*',
        'm'
      ),
      inside: {
        'table-data-rows': {
          pattern: RegExp(
            '^(' + tableRow + tableLine + ')(?:' + tableRow + ')*$'
          ),
          lookbehind: true,
          inside: {
            'table-data': {
              pattern: RegExp(tableCell),
              inside: Prism.languages.markdown,
            },
            punctuation: /\|/,
          },
        },
        'table-line': {
          pattern: RegExp('^(' + tableRow + ')' + tableLine + '$'),
          lookbehind: true,
          inside: {
            punctuation: /\||:?-{3,}:?/,
          },
        },
        'table-header-row': {
          pattern: RegExp('^' + tableRow + '$'),
          inside: {
            'table-header': {
              pattern: RegExp(tableCell),
              alias: 'important',
              inside: Prism.languages.markdown,
            },
            punctuation: /\|/,
          },
        },
      },
    },
    code: [
      {
        // Prefixed by 4 spaces or 1 tab and preceded by an empty line
        pattern:
          /((?:^|\n)[ \t]*\n|(?:^|\r\n?)[ \t]*\r\n?)(?: {4}|\t).+(?:(?:\n|\r\n?)(?: {4}|\t).+)*/,
        lookbehind: true,
        alias: 'keyword',
      },
      {
        // ```optional language
        // code block
        // ```
        pattern: /^```[\s\S]*?^```$/m,
        greedy: true,
        inside: {
          'code-block': {
            pattern: /^(```.*(?:\n|\r\n?))[\s\S]+?(?=(?:\n|\r\n?)^```$)/m,
            lookbehind: true,
          },
          'code-language': {
            pattern: /^(```).+/,
            lookbehind: true,
          },
          punctuation: /```/,
        },
      },
    ],
    title: [
      {
        // title 1
        // =======

        // title 2
        // -------
        pattern: /\S.*(?:\n|\r\n?)(?:==+|--+)(?=[ \t]*$)/m,
        alias: 'important',
        inside: {
          punctuation: /==+$|--+$/,
        },
      },
      {
        // # title 1
        // ###### title 6
        pattern: /(^\s*)#.+/m,
        lookbehind: true,
        alias: 'important',
        inside: {
          punctuation: /^#+|#+$/,
        },
      },
    ],
    hr: {
      // ***
      // ---
      // * * *
      // -----------
      pattern: /(^\s*)([*-])(?:[\t ]*\2){2,}(?=\s*$)/m,
      lookbehind: true,
      alias: 'punctuation',
    },
    list: {
      // * item
      // + item
      // - item
      // 1. item
      pattern: /(^\s*)(?:[*+-]|\d+\.)(?=[\t ].)/m,
      lookbehind: true,
      alias: 'punctuation',
    },
    'url-reference': {
      // [id]: http://example.com "Optional title"
      // [id]: http://example.com 'Optional title'
      // [id]: http://example.com (Optional title)
      // [id]: <http://example.com> "Optional title"
      pattern:
        /!?\[[^\]]+\]:[\t ]+(?:\S+|<(?:\\.|[^>\\])+>)(?:[\t ]+(?:"(?:\\.|[^"\\])*"|'(?:\\.|[^'\\])*'|\((?:\\.|[^)\\])*\)))?/,
      inside: {
        variable: {
          pattern: /^(!?\[)[^\]]+/,
          lookbehind: true,
        },
        string: /(?:"(?:\\.|[^"\\])*"|'(?:\\.|[^'\\])*'|\((?:\\.|[^)\\])*\))$/,
        punctuation: /^[\[\]!:]|[<>]/,
      },
      alias: 'url',
    },
    bold: {
      // **strong**
      // __strong__

      // allow one nested instance of italic text using the same delimiter
      pattern: createInline(
        /\b__(?:(?!_)<inner>|_(?:(?!_)<inner>)+_)+__\b|\*\*(?:(?!\*)<inner>|\*(?:(?!\*)<inner>)+\*)+\*\*/
          .source
      ),
      lookbehind: true,
      greedy: true,
      inside: {
        content: {
          pattern: /(^..)[\s\S]+(?=..$)/,
          lookbehind: true,
          inside: {}, // see below
        },
        punctuation: /\*\*|__/,
      },
    },
    italic: {
      // *em*
      // _em_

      // allow one nested instance of bold text using the same delimiter
      pattern: createInline(
        /\b_(?:(?!_)<inner>|__(?:(?!_)<inner>)+__)+_\b|\*(?:(?!\*)<inner>|\*\*(?:(?!\*)<inner>)+\*\*)+\*/
          .source
      ),
      lookbehind: true,
      greedy: true,
      inside: {
        content: {
          pattern: /(^.)[\s\S]+(?=.$)/,
          lookbehind: true,
          inside: {}, // see below
        },
        punctuation: /[*_]/,
      },
    },
    strike: {
      // ~~strike through~~
      // ~strike~
      // eslint-disable-next-line regexp/strict
      pattern: createInline(/(~~?)(?:(?!~)<inner>)+\2/.source),
      lookbehind: true,
      greedy: true,
      inside: {
        content: {
          pattern: /(^~~?)[\s\S]+(?=\1$)/,
          lookbehind: true,
          inside: {}, // see below
        },
        punctuation: /~~?/,
      },
    },
    'code-snippet': {
      // `code`
      // ``code``
      pattern:
        /(^|[^\\`])(?:``[^`\r\n]+(?:`[^`\r\n]+)*``(?!`)|`[^`\r\n]+`(?!`))/,
      lookbehind: true,
      greedy: true,
      alias: ['code', 'keyword'],
    },
    url: {
      // [example](http://example.com "Optional title")
      // [example][id]
      // [example] [id]
      pattern: createInline(
        /!?\[(?:(?!\])<inner>)+\](?:\([^\s)]+(?:[\t ]+"(?:\\.|[^"\\])*")?\)|[ \t]?\[(?:(?!\])<inner>)+\])/
          .source
      ),
      lookbehind: true,
      greedy: true,
      inside: {
        operator: /^!/,
        content: {
          pattern: /(^\[)[^\]]+(?=\])/,
          lookbehind: true,
          inside: {}, // see below
        },
        variable: {
          pattern: /(^\][ \t]?\[)[^\]]+(?=\]$)/,
          lookbehind: true,
        },
        url: {
          pattern: /(^\]\()[^\s)]+/,
          lookbehind: true,
        },
        string: {
          pattern: /(^[ \t]+)"(?:\\.|[^"\\])*"(?=\)$)/,
          lookbehind: true,
        },
      },
    },
  });

  ['url', 'bold', 'italic', 'strike'].forEach(function (token) {
    ['url', 'bold', 'italic', 'strike', 'code-snippet'].forEach(function (
      inside
    ) {
      if (token !== inside) {
        Prism.languages.markdown[token].inside.content.inside[inside] =
          Prism.languages.markdown[inside];
      }
    });
  });

  Prism.hooks.add('after-tokenize', function (env) {
    if (env.language !== 'markdown' && env.language !== 'md') {
      return;
    }

    function walkTokens(tokens) {
      if (!tokens || typeof tokens === 'string') {
        return;
      }

      for (var i = 0, l = tokens.length; i < l; i++) {
        var token = tokens[i];

        if (token.type !== 'code') {
          walkTokens(token.content);
          continue;
        }

        /*
         * Add the correct `language-xxxx` class to this code block. Keep in mind that the `code-language` token
         * is optional. But the grammar is defined so that there is only one case we have to handle:
         *
         * token.content = [
         *     <span class="punctuation">```</span>,
         *     <span class="code-language">xxxx</span>,
         *     '\n', // exactly one new lines (\r or \n or \r\n)
         *     <span class="code-block">...</span>,
         *     '\n', // exactly one new lines again
         *     <span class="punctuation">```</span>
         * ];
         */

        var codeLang = token.content[1];
        var codeBlock = token.content[3];

        if (
          codeLang &&
          codeBlock &&
          codeLang.type === 'code-language' &&
          codeBlock.type === 'code-block' &&
          typeof codeLang.content === 'string'
        ) {
          // this might be a language that Prism does not support

          // do some replacements to support C++, C#, and F#
          var lang = codeLang.content
            .replace(/\b#/g, 'sharp')
            .replace(/\b\+\+/g, 'pp');
          // only use the first word
          lang = (/[a-z][\w-]*/i.exec(lang) || [''])[0].toLowerCase();
          var alias = 'language-' + lang;

          // add alias
          if (!codeBlock.alias) {
            codeBlock.alias = [alias];
          } else if (typeof codeBlock.alias === 'string') {
            codeBlock.alias = [codeBlock.alias, alias];
          } else {
            codeBlock.alias.push(alias);
          }
        }
      }
    }

    walkTokens(env.tokens);
  });

  Prism.hooks.add('wrap', function (env) {
    if (env.type !== 'code-block') {
      return;
    }

    var codeLang = '';
    for (var i = 0, l = env.classes.length; i < l; i++) {
      var cls = env.classes[i];
      var match = /language-(.+)/.exec(cls);
      if (match) {
        codeLang = match[1];
        break;
      }
    }

    var grammar = Prism.languages[codeLang];

    if (!grammar) {
      if (codeLang && codeLang !== 'none' && Prism.plugins.autoloader) {
        var id =
          'md-' + new Date().valueOf() + '-' + Math.floor(Math.random() * 1e16);
        env.attributes['id'] = id;

        Prism.plugins.autoloader.loadLanguages(codeLang, function () {
          var ele = document.getElementById(id);
          if (ele) {
            ele.innerHTML = Prism.highlight(
              ele.textContent,
              Prism.languages[codeLang],
              codeLang
            );
          }
        });
      }
    } else {
      env.content = Prism.highlight(
        textContent(env.content),
        grammar,
        codeLang
      );
    }
  });

  var tagPattern = RegExp(Prism.languages.markup.tag.pattern.source, 'gi');

  /**
   * A list of known entity names.
   *
   * This will always be incomplete to save space. The current list is the one used by lowdash's unescape function.
   *
   * @see {@link https://github.com/lodash/lodash/blob/2da024c3b4f9947a48517639de7560457cd4ec6c/unescape.js#L2}
   */
  var KNOWN_ENTITY_NAMES = {
    amp: '&',
    lt: '<',
    gt: '>',
    quot: '"',
  };

  // IE 11 doesn't support `String.fromCodePoint`
  var fromCodePoint = String.fromCodePoint || String.fromCharCode;

  /**
   * Returns the text content of a given HTML source code string.
   *
   * @param {string} html
   * @returns {string}
   */
  function textContent(html) {
    // remove all tags
    var text = html.replace(tagPattern, '');

    // decode known entities
    text = text.replace(/&(\w{1,8}|#x?[\da-f]{1,8});/gi, function (m, code) {
      code = code.toLowerCase();

      if (code[0] === '#') {
        var value;
        if (code[1] === 'x') {
          value = parseInt(code.slice(2), 16);
        } else {
          value = Number(code.slice(1));
        }

        return fromCodePoint(value);
      } else {
        var known = KNOWN_ENTITY_NAMES[code];
        if (known) {
          return known;
        }

        // unable to decode
        return m;
      }
    });

    return text;
  }

  Prism.languages.md = Prism.languages.markdown;
})(Prism);