vendor/assets/javascripts/marked.js in marked-rails-0.3.2.0 vs vendor/assets/javascripts/marked.js in marked-rails-9.1.2.0

- old
+ new

@@ -1,1266 +1,2412 @@ /** - * marked - a markdown parser - * Copyright (c) 2011-2014, Christopher Jeffrey. (MIT Licensed) - * https://github.com/chjj/marked + * marked v9.1.2 - a markdown parser + * Copyright (c) 2011-2023, 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|closed|closing) *(?:\n{2,}|\s*$)/, - def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +["(]([^\n]+)[")])? *(?:\n+|$)/, - table: noop, - paragraph: /^((?:[^\n]+\n?(?!hr|heading|lheading|blockquote|tag|def))+)\n*/, - text: /^[^\n]+/ -}; +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : + typeof define === 'function' && define.amd ? define(['exports'], factory) : + (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.marked = {})); +})(this, (function (exports) { 'use strict'; -block.bullet = /(?:[*+-]|\d+\.)/; -block.item = /^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/; -block.item = replace(block.item, 'gm') - (/bull/g, block.bullet) - (); - -block.list = replace(block.list) - (/bull/g, block.bullet) - ('hr', '\\n+(?=\\1?(?:[-*_] *){3,}(?:\\n+|$))') - ('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) - (); - -/** - * Normal Block Grammar - */ - -block.normal = merge({}, block); - -/** - * GFM Block Grammar - */ - -block.gfm = merge({}, block.normal, { - fences: /^ *(`{3,}|~{3,}) *(\S+)? *\n([\s\S]+?)\s*\1 *(?:\n+|$)/, - paragraph: /^/ -}); - -block.gfm.paragraph = replace(block.paragraph) - ('(?!', '(?!' - + block.gfm.fences.source.replace('\\1', '\\2') + '|' - + block.list.source.replace('\\1', '\\3') + '|') - (); - -/** - * GFM + Tables Block Grammar - */ - -block.tables = merge({}, block.gfm, { - nptable: /^ *(\S.*\|.*)\n *([-:]+ *\|[-| :]*)\n((?:.*\|.*(?:\n|$))*)\n*/, - table: /^ *\|(.+)\n *\|( *[-:]+[-| :]*)\n((?: *\|.*(?:\n|$))*)\n*/ -}); - -/** - * Block Lexer - */ - -function Lexer(options) { - this.tokens = []; - this.tokens.links = {}; - this.options = options || marked.defaults; - this.rules = block.normal; - - if (this.options.gfm) { - if (this.options.tables) { - this.rules = block.tables; - } else { - this.rules = block.gfm; + /** + * Gets the original marked default options. + */ + function _getDefaults() { + return { + async: false, + breaks: false, + extensions: null, + gfm: true, + hooks: null, + pedantic: false, + renderer: null, + silent: false, + tokenizer: null, + walkTokens: null + }; } - } -} - -/** - * Expose Block Rules - */ - -Lexer.rules = block; - -/** - * Static Lex Method - */ - -Lexer.lex = function(src, options) { - var lexer = new Lexer(options); - return lexer.lex(src); -}; - -/** - * Preprocessing - */ - -Lexer.prototype.lex = function(src) { - src = src - .replace(/\r\n|\r/g, '\n') - .replace(/\t/g, ' ') - .replace(/\u00a0/g, ' ') - .replace(/\u2424/g, '\n'); - - return this.token(src, true); -}; - -/** - * Lexing - */ - -Lexer.prototype.token = function(src, top, bq) { - var src = src.replace(/^ +$/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' - }); - } + exports.defaults = _getDefaults(); + function changeDefaults(newDefaults) { + exports.defaults = newDefaults; } - // 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; + /** + * Helpers + */ + const escapeTest = /[&<>"']/; + const escapeReplace = new RegExp(escapeTest.source, 'g'); + const escapeTestNoEncode = /[<>"']|&(?!(#\d{1,7}|#[Xx][a-fA-F0-9]{1,6}|\w+);)/; + const escapeReplaceNoEncode = new RegExp(escapeTestNoEncode.source, 'g'); + const escapeReplacements = { + '&': '&amp;', + '<': '&lt;', + '>': '&gt;', + '"': '&quot;', + "'": '&#39;' + }; + const getEscapeReplacement = (ch) => 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; } - - // 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; + const unescapeTest = /&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/ig; + function unescape(html) { + // explicitly match decimal, hex, and named HTML entities + return html.replace(unescapeTest, (_, 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 ''; + }); } - - // 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; + const caret = /(^|[^\[])\^/g; + function edit(regex, opt) { + regex = typeof regex === 'string' ? regex : regex.source; + opt = opt || ''; + const obj = { + replace: (name, val) => { + val = typeof val === 'object' && 'source' in val ? val.source : val; + val = val.replace(caret, '$1'); + regex = regex.replace(name, val); + return obj; + }, + getRegex: () => { + return new RegExp(regex, opt); + } + }; + return obj; } - - // table no leading pipe (gfm) - if (top && (cap = this.rules.nptable.exec(src))) { - src = src.substring(cap[0].length); - - item = { - type: 'table', - header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */), - align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */), - cells: cap[3].replace(/\n$/, '').split('\n') - }; - - 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; + function cleanUrl(href) { + try { + href = encodeURI(href).replace(/%25/g, '%'); } - } - - for (i = 0; i < item.cells.length; i++) { - item.cells[i] = item.cells[i].split(/ *\| */); - } - - this.tokens.push(item); - - continue; + catch (e) { + return null; + } + return href; } - - // 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; - } - - // 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); - - this.tokens.push({ - type: 'blockquote_start' - }); - - cap = cap[0].replace(/^ *> ?/gm, ''); - - // 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' - }); - - 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, ''); + const noopTest = { exec: () => null }; + function splitCells(tableRow, count) { + // ensure that every cell-delimiting pipe has a space + // before it to distinguish it from an escaped pipe + const row = tableRow.replace(/\|/g, (match, offset, str) => { + let escaped = false; + let 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(/ \|/); + let i = 0; + // First/last cell in a row cannot be empty if it has no leading/trailing pipe + if (!cells[0].trim()) { + cells.shift(); } - - // 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 (cells.length > 0 && !cells[cells.length - 1].trim()) { + cells.pop(); } - - // Determine whether item is loose or not. - // Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/ - // for discount behavior. - loose = next || /\n\n(?!\s*$)/.test(item); - if (i !== l - 1) { - next = item.charAt(item.length - 1) === '\n'; - if (!loose) loose = next; + if (count) { + if (cells.length > count) { + cells.splice(count); + } + else { + while (cells.length < count) + cells.push(''); + } } - - this.tokens.push({ - type: loose - ? 'loose_item_start' - : 'list_item_start' - }); - - // Recurse. - this.token(item, false, bq); - - this.tokens.push({ - type: 'list_item_end' - }); - } - - this.tokens.push({ - type: 'list_end' - }); - - continue; + for (; i < cells.length; i++) { + // leading or trailing whitespace is ignored per the gfm spec + cells[i] = cells[i].trim().replace(/\\\|/g, '|'); + } + return cells; } - - // html - if (cap = this.rules.html.exec(src)) { - src = src.substring(cap[0].length); - this.tokens.push({ - type: this.options.sanitize - ? 'paragraph' - : 'html', - pre: cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style', - text: cap[0] - }); - continue; + /** + * Remove trailing 'c's. Equivalent to str.replace(/c*$/, ''). + * /c*$/ is vulnerable to REDOS. + * + * @param str + * @param c + * @param invert Remove suffix of non-c chars instead. Default falsey. + */ + function rtrim(str, c, invert) { + const l = str.length; + if (l === 0) { + return ''; + } + // Length of suffix matching the invert condition. + let suffLen = 0; + // Step left until we fail to match the invert condition. + while (suffLen < l) { + const currChar = str.charAt(l - suffLen - 1); + if (currChar === c && !invert) { + suffLen++; + } + else if (currChar !== c && invert) { + suffLen++; + } + else { + break; + } + } + return str.slice(0, l - suffLen); } - - // def - if ((!bq && top) && (cap = this.rules.def.exec(src))) { - src = src.substring(cap[0].length); - this.tokens.links[cap[1].toLowerCase()] = { - href: cap[2], - title: cap[3] - }; - continue; + function findClosingBracket(str, b) { + if (str.indexOf(b[1]) === -1) { + return -1; + } + let level = 0; + for (let i = 0; i < str.length; i++) { + if (str[i] === '\\') { + i++; + } + else if (str[i] === b[0]) { + level++; + } + else if (str[i] === b[1]) { + level--; + if (level < 0) { + return i; + } + } + } + return -1; } - // table (gfm) - if (top && (cap = this.rules.table.exec(src))) { - src = src.substring(cap[0].length); - - item = { - type: 'table', - header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */), - align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */), - cells: cap[3].replace(/(?: *\| *)?\n$/, '').split('\n') - }; - - 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; + function outputLink(cap, link, raw, lexer) { + const href = link.href; + const title = link.title ? escape(link.title) : null; + const text = cap[1].replace(/\\([\[\]])/g, '$1'); + if (cap[0].charAt(0) !== '!') { + lexer.state.inLink = true; + const token = { + type: 'link', + raw, + href, + title, + text, + tokens: lexer.inlineTokens(text) + }; + lexer.state.inLink = false; + return token; } - } - - for (i = 0; i < item.cells.length; i++) { - item.cells[i] = item.cells[i] - .replace(/^ *\| *| *\| *$/g, '') - .split(/ *\| */); - } - - this.tokens.push(item); - - continue; + return { + type: 'image', + raw, + href, + title, + text: escape(text) + }; } - - // 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; + function indentCodeCompensation(raw, text) { + const matchIndentToCode = raw.match(/^(\s+)(?:```)/); + if (matchIndentToCode === null) { + return text; + } + const indentToCode = matchIndentToCode[1]; + return text + .split('\n') + .map(node => { + const matchIndentInNode = node.match(/^\s+/); + if (matchIndentInNode === null) { + return node; + } + const [indentInNode] = matchIndentInNode; + if (indentInNode.length >= indentToCode.length) { + return node.slice(indentToCode.length); + } + return node; + }) + .join('\n'); } - - // 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; + /** + * Tokenizer + */ + class _Tokenizer { + options; + // TODO: Fix this rules type + rules; + lexer; + constructor(options) { + this.options = options || exports.defaults; + } + space(src) { + const cap = this.rules.block.newline.exec(src); + if (cap && cap[0].length > 0) { + return { + type: 'space', + raw: cap[0] + }; + } + } + code(src) { + const cap = this.rules.block.code.exec(src); + if (cap) { + const text = cap[0].replace(/^ {1,4}/gm, ''); + return { + type: 'code', + raw: cap[0], + codeBlockStyle: 'indented', + text: !this.options.pedantic + ? rtrim(text, '\n') + : text + }; + } + } + fences(src) { + const cap = this.rules.block.fences.exec(src); + if (cap) { + const raw = cap[0]; + const text = indentCodeCompensation(raw, cap[3] || ''); + return { + type: 'code', + raw, + lang: cap[2] ? cap[2].trim().replace(this.rules.inline._escapes, '$1') : cap[2], + text + }; + } + } + heading(src) { + const cap = this.rules.block.heading.exec(src); + if (cap) { + let text = cap[2].trim(); + // remove trailing #s + if (/#$/.test(text)) { + const trimmed = rtrim(text, '#'); + if (this.options.pedantic) { + text = trimmed.trim(); + } + else if (!trimmed || / $/.test(trimmed)) { + // CommonMark requires space before trailing #s + text = trimmed.trim(); + } + } + return { + type: 'heading', + raw: cap[0], + depth: cap[1].length, + text, + tokens: this.lexer.inline(text) + }; + } + } + hr(src) { + const cap = this.rules.block.hr.exec(src); + if (cap) { + return { + type: 'hr', + raw: cap[0] + }; + } + } + blockquote(src) { + const cap = this.rules.block.blockquote.exec(src); + if (cap) { + const text = rtrim(cap[0].replace(/^ *>[ \t]?/gm, ''), '\n'); + const top = this.lexer.state.top; + this.lexer.state.top = true; + const tokens = this.lexer.blockTokens(text); + this.lexer.state.top = top; + return { + type: 'blockquote', + raw: cap[0], + tokens, + text + }; + } + } + list(src) { + let cap = this.rules.block.list.exec(src); + if (cap) { + let bull = cap[1].trim(); + const isordered = bull.length > 1; + const list = { + type: 'list', + raw: '', + ordered: isordered, + start: isordered ? +bull.slice(0, -1) : '', + loose: false, + items: [] + }; + bull = isordered ? `\\d{1,9}\\${bull.slice(-1)}` : `\\${bull}`; + if (this.options.pedantic) { + bull = isordered ? bull : '[*+-]'; + } + // Get next list item + const itemRegex = new RegExp(`^( {0,3}${bull})((?:[\t ][^\\n]*)?(?:\\n|$))`); + let raw = ''; + let itemContents = ''; + let endsWithBlankLine = false; + // Check if current bullet point can start a new List Item + while (src) { + let endEarly = false; + if (!(cap = itemRegex.exec(src))) { + break; + } + if (this.rules.block.hr.test(src)) { // End list if bullet was actually HR (possibly move into itemRegex?) + break; + } + raw = cap[0]; + src = src.substring(raw.length); + let line = cap[2].split('\n', 1)[0].replace(/^\t+/, (t) => ' '.repeat(3 * t.length)); + let nextLine = src.split('\n', 1)[0]; + let indent = 0; + if (this.options.pedantic) { + indent = 2; + itemContents = line.trimStart(); + } + else { + indent = cap[2].search(/[^ ]/); // Find first non-space char + indent = indent > 4 ? 1 : indent; // Treat indented code blocks (> 4 spaces) as having only 1 indent + itemContents = line.slice(indent); + indent += cap[1].length; + } + let blankLine = false; + if (!line && /^ *$/.test(nextLine)) { // Items begin with at most one blank line + raw += nextLine + '\n'; + src = src.substring(nextLine.length + 1); + endEarly = true; + } + if (!endEarly) { + const nextBulletRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}(?:[*+-]|\\d{1,9}[.)])((?:[ \t][^\\n]*)?(?:\\n|$))`); + const hrRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}((?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$)`); + const fencesBeginRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}(?:\`\`\`|~~~)`); + const headingBeginRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}#`); + // Check if following lines should be included in List Item + while (src) { + const rawLine = src.split('\n', 1)[0]; + nextLine = rawLine; + // Re-align to follow commonmark nesting rules + if (this.options.pedantic) { + nextLine = nextLine.replace(/^ {1,4}(?=( {4})*[^ ])/g, ' '); + } + // End list item if found code fences + if (fencesBeginRegex.test(nextLine)) { + break; + } + // End list item if found start of new heading + if (headingBeginRegex.test(nextLine)) { + break; + } + // End list item if found start of new bullet + if (nextBulletRegex.test(nextLine)) { + break; + } + // Horizontal rule found + if (hrRegex.test(src)) { + break; + } + if (nextLine.search(/[^ ]/) >= indent || !nextLine.trim()) { // Dedent if possible + itemContents += '\n' + nextLine.slice(indent); + } + else { + // not enough indentation + if (blankLine) { + break; + } + // paragraph continuation unless last line was a different block level element + if (line.search(/[^ ]/) >= 4) { // indented code block + break; + } + if (fencesBeginRegex.test(line)) { + break; + } + if (headingBeginRegex.test(line)) { + break; + } + if (hrRegex.test(line)) { + break; + } + itemContents += '\n' + nextLine; + } + if (!blankLine && !nextLine.trim()) { // Check if current line is blank + blankLine = true; + } + raw += rawLine + '\n'; + src = src.substring(rawLine.length + 1); + line = nextLine.slice(indent); + } + } + if (!list.loose) { + // If the previous item ended with a blank line, the list is loose + if (endsWithBlankLine) { + list.loose = true; + } + else if (/\n *\n *$/.test(raw)) { + endsWithBlankLine = true; + } + } + let istask = null; + let ischecked; + // Check for task list items + if (this.options.gfm) { + istask = /^\[[ xX]\] /.exec(itemContents); + if (istask) { + ischecked = istask[0] !== '[ ] '; + itemContents = itemContents.replace(/^\[[ xX]\] +/, ''); + } + } + list.items.push({ + type: 'list_item', + raw, + task: !!istask, + checked: ischecked, + loose: false, + text: itemContents, + tokens: [] + }); + list.raw += raw; + } + // Do not consume newlines at end of final item. Alternatively, make itemRegex *start* with any newlines to simplify/speed up endsWithBlankLine logic + list.items[list.items.length - 1].raw = raw.trimEnd(); + list.items[list.items.length - 1].text = itemContents.trimEnd(); + list.raw = list.raw.trimEnd(); + // Item child tokens handled here at end because we needed to have the final item to trim it first + for (let i = 0; i < list.items.length; i++) { + this.lexer.state.top = false; + list.items[i].tokens = this.lexer.blockTokens(list.items[i].text, []); + if (!list.loose) { + // Check if list should be loose + const spacers = list.items[i].tokens.filter(t => t.type === 'space'); + const hasMultipleLineBreaks = spacers.length > 0 && spacers.some(t => /\n.*\n/.test(t.raw)); + list.loose = hasMultipleLineBreaks; + } + } + // Set all items to loose if list is loose + if (list.loose) { + for (let i = 0; i < list.items.length; i++) { + list.items[i].loose = true; + } + } + return list; + } + } + html(src) { + const cap = this.rules.block.html.exec(src); + if (cap) { + const token = { + type: 'html', + block: true, + raw: cap[0], + pre: cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style', + text: cap[0] + }; + return token; + } + } + def(src) { + const cap = this.rules.block.def.exec(src); + if (cap) { + const tag = cap[1].toLowerCase().replace(/\s+/g, ' '); + const href = cap[2] ? cap[2].replace(/^<(.*)>$/, '$1').replace(this.rules.inline._escapes, '$1') : ''; + const title = cap[3] ? cap[3].substring(1, cap[3].length - 1).replace(this.rules.inline._escapes, '$1') : cap[3]; + return { + type: 'def', + tag, + raw: cap[0], + href, + title + }; + } + } + table(src) { + const cap = this.rules.block.table.exec(src); + if (cap) { + if (!/[:|]/.test(cap[2])) { + // delimiter row must have a pipe (|) or colon (:) otherwise it is a setext heading + return; + } + const item = { + type: 'table', + raw: cap[0], + header: splitCells(cap[1]).map(c => { + return { text: c, tokens: [] }; + }), + align: cap[2].replace(/^\||\| *$/g, '').split('|'), + rows: cap[3] && cap[3].trim() ? cap[3].replace(/\n[ \t]*$/, '').split('\n') : [] + }; + if (item.header.length === item.align.length) { + let l = item.align.length; + let i, j, k, row; + for (i = 0; i < l; i++) { + const align = item.align[i]; + if (align) { + if (/^ *-+: *$/.test(align)) { + item.align[i] = 'right'; + } + else if (/^ *:-+: *$/.test(align)) { + item.align[i] = 'center'; + } + else if (/^ *:-+ *$/.test(align)) { + item.align[i] = 'left'; + } + else { + item.align[i] = null; + } + } + } + l = item.rows.length; + for (i = 0; i < l; i++) { + item.rows[i] = splitCells(item.rows[i], item.header.length).map(c => { + return { text: c, tokens: [] }; + }); + } + // parse child tokens inside headers and cells + // header child tokens + l = item.header.length; + for (j = 0; j < l; j++) { + item.header[j].tokens = this.lexer.inline(item.header[j].text); + } + // cell child tokens + l = item.rows.length; + for (j = 0; j < l; j++) { + row = item.rows[j]; + for (k = 0; k < row.length; k++) { + row[k].tokens = this.lexer.inline(row[k].text); + } + } + return item; + } + } + } + lheading(src) { + const 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], + tokens: this.lexer.inline(cap[1]) + }; + } + } + paragraph(src) { + const cap = this.rules.block.paragraph.exec(src); + if (cap) { + const text = cap[1].charAt(cap[1].length - 1) === '\n' + ? cap[1].slice(0, -1) + : cap[1]; + return { + type: 'paragraph', + raw: cap[0], + text, + tokens: this.lexer.inline(text) + }; + } + } + text(src) { + const cap = this.rules.block.text.exec(src); + if (cap) { + return { + type: 'text', + raw: cap[0], + text: cap[0], + tokens: this.lexer.inline(cap[0]) + }; + } + } + escape(src) { + const cap = this.rules.inline.escape.exec(src); + if (cap) { + return { + type: 'escape', + raw: cap[0], + text: escape(cap[1]) + }; + } + } + tag(src) { + const cap = this.rules.inline.tag.exec(src); + if (cap) { + if (!this.lexer.state.inLink && /^<a /i.test(cap[0])) { + this.lexer.state.inLink = true; + } + else if (this.lexer.state.inLink && /^<\/a>/i.test(cap[0])) { + this.lexer.state.inLink = false; + } + if (!this.lexer.state.inRawBlock && /^<(pre|code|kbd|script)(\s|>)/i.test(cap[0])) { + this.lexer.state.inRawBlock = true; + } + else if (this.lexer.state.inRawBlock && /^<\/(pre|code|kbd|script)(\s|>)/i.test(cap[0])) { + this.lexer.state.inRawBlock = false; + } + return { + type: 'html', + raw: cap[0], + inLink: this.lexer.state.inLink, + inRawBlock: this.lexer.state.inRawBlock, + block: false, + text: cap[0] + }; + } + } + link(src) { + const cap = this.rules.inline.link.exec(src); + if (cap) { + const trimmedUrl = cap[2].trim(); + if (!this.options.pedantic && /^</.test(trimmedUrl)) { + // commonmark requires matching angle brackets + if (!(/>$/.test(trimmedUrl))) { + return; + } + // ending angle bracket cannot be escaped + const rtrimSlash = rtrim(trimmedUrl.slice(0, -1), '\\'); + if ((trimmedUrl.length - rtrimSlash.length) % 2 === 0) { + return; + } + } + else { + // find closing parenthesis + const lastParenIndex = findClosingBracket(cap[2], '()'); + if (lastParenIndex > -1) { + const start = cap[0].indexOf('!') === 0 ? 5 : 4; + const linkLen = start + cap[1].length + lastParenIndex; + cap[2] = cap[2].substring(0, lastParenIndex); + cap[0] = cap[0].substring(0, linkLen).trim(); + cap[3] = ''; + } + } + let href = cap[2]; + let title = ''; + if (this.options.pedantic) { + // split pedantic href and title + const link = /^([^'"]*[^\s])\s+(['"])(.*)\2/.exec(href); + if (link) { + href = link[1]; + title = link[3]; + } + } + else { + title = cap[3] ? cap[3].slice(1, -1) : ''; + } + href = href.trim(); + if (/^</.test(href)) { + if (this.options.pedantic && !(/>$/.test(trimmedUrl))) { + // pedantic allows starting angle bracket without ending angle bracket + href = href.slice(1); + } + else { + href = href.slice(1, -1); + } + } + return outputLink(cap, { + href: href ? href.replace(this.rules.inline._escapes, '$1') : href, + title: title ? title.replace(this.rules.inline._escapes, '$1') : title + }, cap[0], this.lexer); + } + } + reflink(src, links) { + let cap; + if ((cap = this.rules.inline.reflink.exec(src)) + || (cap = this.rules.inline.nolink.exec(src))) { + let link = (cap[2] || cap[1]).replace(/\s+/g, ' '); + link = links[link.toLowerCase()]; + if (!link) { + const text = cap[0].charAt(0); + return { + type: 'text', + raw: text, + text + }; + } + return outputLink(cap, link, cap[0], this.lexer); + } + } + emStrong(src, maskedSrc, prevChar = '') { + let match = this.rules.inline.emStrong.lDelim.exec(src); + if (!match) + return; + // _ can't be between two alphanumerics. \p{L}\p{N} includes non-english alphabet/numbers as well + if (match[3] && prevChar.match(/[\p{L}\p{N}]/u)) + return; + const nextChar = match[1] || match[2] || ''; + if (!nextChar || !prevChar || this.rules.inline.punctuation.exec(prevChar)) { + // unicode Regex counts emoji as 1 char; spread into array for proper count (used multiple times below) + const lLength = [...match[0]].length - 1; + let rDelim, rLength, delimTotal = lLength, midDelimTotal = 0; + const endReg = match[0][0] === '*' ? this.rules.inline.emStrong.rDelimAst : this.rules.inline.emStrong.rDelimUnd; + endReg.lastIndex = 0; + // Clip maskedSrc to same section of string as src (move to lexer?) + maskedSrc = maskedSrc.slice(-1 * src.length + match[0].length - 1); + while ((match = endReg.exec(maskedSrc)) != null) { + rDelim = match[1] || match[2] || match[3] || match[4] || match[5] || match[6]; + if (!rDelim) + continue; // skip single * in __abc*abc__ + rLength = [...rDelim].length; + if (match[3] || match[4]) { // found another Left Delim + delimTotal += rLength; + continue; + } + else if (match[5] || match[6]) { // either Left or Right Delim + if (lLength % 3 && !((lLength + rLength) % 3)) { + midDelimTotal += rLength; + continue; // CommonMark Emphasis Rules 9-10 + } + } + delimTotal -= rLength; + if (delimTotal > 0) + continue; // Haven't found enough closing delimiters + // Remove extra characters. *a*** -> *a* + rLength = Math.min(rLength, rLength + delimTotal + midDelimTotal); + const raw = [...src].slice(0, lLength + match.index + rLength + 1).join(''); + // Create `em` if smallest delimiter has odd char count. *a*** + if (Math.min(lLength, rLength) % 2) { + const text = raw.slice(1, -1); + return { + type: 'em', + raw, + text, + tokens: this.lexer.inlineTokens(text) + }; + } + // Create 'strong' if smallest delimiter has even char count. **a*** + const text = raw.slice(2, -2); + return { + type: 'strong', + raw, + text, + tokens: this.lexer.inlineTokens(text) + }; + } + } + } + codespan(src) { + const cap = this.rules.inline.code.exec(src); + if (cap) { + let text = cap[2].replace(/\n/g, ' '); + const hasNonSpaceChars = /[^ ]/.test(text); + const hasSpaceCharsOnBothEnds = /^ /.test(text) && / $/.test(text); + if (hasNonSpaceChars && hasSpaceCharsOnBothEnds) { + text = text.substring(1, text.length - 1); + } + text = escape(text, true); + return { + type: 'codespan', + raw: cap[0], + text + }; + } + } + br(src) { + const cap = this.rules.inline.br.exec(src); + if (cap) { + return { + type: 'br', + raw: cap[0] + }; + } + } + del(src) { + const cap = this.rules.inline.del.exec(src); + if (cap) { + return { + type: 'del', + raw: cap[0], + text: cap[2], + tokens: this.lexer.inlineTokens(cap[2]) + }; + } + } + autolink(src) { + const cap = this.rules.inline.autolink.exec(src); + if (cap) { + let text, href; + if (cap[2] === '@') { + text = escape(cap[1]); + href = 'mailto:' + text; + } + else { + text = escape(cap[1]); + href = text; + } + return { + type: 'link', + raw: cap[0], + text, + href, + tokens: [ + { + type: 'text', + raw: text, + text + } + ] + }; + } + } + url(src) { + let cap; + if (cap = this.rules.inline.url.exec(src)) { + let text, href; + if (cap[2] === '@') { + text = escape(cap[0]); + href = 'mailto:' + text; + } + else { + // do extended autolink path validation + let prevCapZero; + do { + prevCapZero = cap[0]; + cap[0] = this.rules.inline._backpedal.exec(cap[0])[0]; + } while (prevCapZero !== cap[0]); + text = escape(cap[0]); + if (cap[1] === 'www.') { + href = 'http://' + cap[0]; + } + else { + href = cap[0]; + } + } + return { + type: 'link', + raw: cap[0], + text, + href, + tokens: [ + { + type: 'text', + raw: text, + text + } + ] + }; + } + } + inlineText(src) { + const cap = this.rules.inline.text.exec(src); + if (cap) { + let text; + if (this.lexer.state.inRawBlock) { + text = cap[0]; + } + else { + text = escape(cap[0]); + } + return { + type: 'text', + raw: cap[0], + text + }; + } + } } - if (src) { - throw new - Error('Infinite loop on byte: ' + src.charCodeAt(0)); - } - } + /** + * Block-Level Grammar + */ + // Not all rules are defined in the object literal + // @ts-expect-error + const block = { + newline: /^(?: *(?:\n|$))+/, + code: /^( {4}[^\n]+(?:\n(?: *(?:\n|$))*)?)+/, + fences: /^ {0,3}(`{3,}(?=[^`\n]*(?:\n|$))|~{3,})([^\n]*)(?:\n|$)(?:|([\s\S]*?)(?:\n|$))(?: {0,3}\1[~`]* *(?=\n|$)|$)/, + hr: /^ {0,3}((?:-[\t ]*){3,}|(?:_[ \t]*){3,}|(?:\*[ \t]*){3,})(?:\n+|$)/, + heading: /^ {0,3}(#{1,6})(?=\s|$)(.*)(?:\n+|$)/, + blockquote: /^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/, + list: /^( {0,3}bull)([ \t][^\n]+?)?(?:\n|$)/, + html: '^ {0,3}(?:' // optional indentation + + '<(script|pre|style|textarea)[\\s>][\\s\\S]*?(?:</\\1>[^\\n]*\\n+|$)' // (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 *)+\\n|$)' // (6) + + '|<(?!script|pre|style|textarea)([a-z][\\w-]*)(?:attribute)*? */?>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$)' // (7) open tag + + '|</(?!script|pre|style|textarea)[a-z][\\w-]*\\s*>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$)' // (7) closing tag + + ')', + def: /^ {0,3}\[(label)\]: *(?:\n *)?([^<\s][^\s]*|<.*?>)(?:(?: +(?:\n *)?| *\n *)(title))? *(?:\n+|$)/, + table: noopTest, + lheading: /^(?!bull )((?:.|\n(?!\s*?\n|bull ))+?)\n {0,3}(=+|-+) *(?:\n+|$)/, + // 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|table| +\n)[^\n]+)*)/, + text: /^[^\n]+/ + }; + block._label = /(?!\s*\])(?:\\.|[^\[\]\\])+/; + block._title = /(?:"(?:\\"?|[^"\\])*"|'[^'\n]*(?:\n[^'\n]+)*\n?'|\([^()]*\))/; + block.def = edit(block.def) + .replace('label', block._label) + .replace('title', block._title) + .getRegex(); + block.bullet = /(?:[*+-]|\d{1,9}[.)])/; + block.listItemStart = edit(/^( *)(bull) */) + .replace('bull', block.bullet) + .getRegex(); + block.list = edit(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(block.html, 'i') + .replace('comment', block._comment) + .replace('tag', block._tag) + .replace('attribute', / +[a-zA-Z:_][\w.:-]*(?: *= *"[^"\n]*"| *= *'[^'\n]*'| *= *[^\s"'=<>`]+)?/) + .getRegex(); + block.lheading = edit(block.lheading) + .replace(/bull/g, block.bullet) // lists can interrupt + .getRegex(); + block.paragraph = edit(block._paragraph) + .replace('hr', block.hr) + .replace('heading', ' {0,3}#{1,6} ') + .replace('|lheading', '') // setex headings don't interrupt commonmark paragraphs + .replace('|table', '') + .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|textarea|!--)') + .replace('tag', block._tag) // pars can be interrupted by type (6) html blocks + .getRegex(); + block.blockquote = edit(block.blockquote) + .replace('paragraph', block.paragraph) + .getRegex(); + /** + * Normal Block Grammar + */ + block.normal = { ...block }; + /** + * GFM Block Grammar + */ + block.gfm = { + ...block.normal, + table: '^ *([^\\n ].*)\\n' // Header + + ' {0,3}((?:\\| *)?:?-+:? *(?:\\| *:?-+:? *)*(?:\\| *)?)' // Align + + '(?:\\n((?:(?! *\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)' // Cells + }; + block.gfm.table = edit(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|textarea|!--)') + .replace('tag', block._tag) // tables can be interrupted by type (6) html blocks + .getRegex(); + block.gfm.paragraph = edit(block._paragraph) + .replace('hr', block.hr) + .replace('heading', ' {0,3}#{1,6} ') + .replace('|lheading', '') // setex headings don't interrupt commonmark paragraphs + .replace('table', block.gfm.table) // interrupt paragraphs with table + .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|textarea|!--)') + .replace('tag', block._tag) // pars can be interrupted by type (6) html blocks + .getRegex(); + /** + * Pedantic grammar (original John Gruber's loose markdown specification) + */ + block.pedantic = { + ...block.normal, + html: edit('^ *(?: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+|$)/, + heading: /^(#{1,6})(.*)(?:\n+|$)/, + fences: noopTest, + lheading: /^(.+?)\n {0,3}(=+|-+) *(?:\n+|$)/, + paragraph: edit(block.normal._paragraph) + .replace('hr', block.hr) + .replace('heading', ' *#{1,6} *[^\n]') + .replace('lheading', block.lheading) + .replace('blockquote', ' {0,3}>') + .replace('|fences', '') + .replace('|list', '') + .replace('|html', '') + .getRegex() + }; + /** + * Inline-Level Grammar + */ + // Not all rules are defined in the object literal + // @ts-expect-error + const inline = { + escape: /^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/, + autolink: /^<(scheme:[^\s\x00-\x1f<>]*|email)>/, + url: noopTest, + 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]*?\\]\\]>', + link: /^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/, + reflink: /^!?\[(label)\]\[(ref)\]/, + nolink: /^!?\[(ref)\](?:\[\])?/, + reflinkSearch: 'reflink|nolink(?!\\()', + emStrong: { + lDelim: /^(?:\*+(?:((?!\*)[punct])|[^\s*]))|^_+(?:((?!_)[punct])|([^\s_]))/, + // (1) and (2) can only be a Right Delimiter. (3) and (4) can only be Left. (5) and (6) can be either Left or Right. + // | Skip orphan inside strong | Consume to delim | (1) #*** | (2) a***#, a*** | (3) #***a, ***a | (4) ***# | (5) #***# | (6) a***a + rDelimAst: /^[^_*]*?__[^_*]*?\*[^_*]*?(?=__)|[^*]+(?=[^*])|(?!\*)[punct](\*+)(?=[\s]|$)|[^punct\s](\*+)(?!\*)(?=[punct\s]|$)|(?!\*)[punct\s](\*+)(?=[^punct\s])|[\s](\*+)(?!\*)(?=[punct])|(?!\*)[punct](\*+)(?!\*)(?=[punct])|[^punct\s](\*+)(?=[^punct\s])/, + rDelimUnd: /^[^_*]*?\*\*[^_*]*?_[^_*]*?(?=\*\*)|[^_]+(?=[^_])|(?!_)[punct](_+)(?=[\s]|$)|[^punct\s](_+)(?!_)(?=[punct\s]|$)|(?!_)[punct\s](_+)(?=[^punct\s])|[\s](_+)(?!_)(?=[punct])|(?!_)[punct](_+)(?!_)(?=[punct])/ // ^- Not allowed for _ + }, + code: /^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/, + br: /^( {2,}|\\)\n(?!\s*$)/, + del: noopTest, + text: /^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*_]|\b_|$)|[^ ](?= {2,}\n)))/, + punctuation: /^((?![*_])[\spunctuation])/ + }; + // list of unicode punctuation marks, plus any missing characters from CommonMark spec + inline._punctuation = '\\p{P}$+<=>`^|~'; + inline.punctuation = edit(inline.punctuation, 'u').replace(/punctuation/g, inline._punctuation).getRegex(); + // sequences em should skip over [title](link), `code`, <html> + inline.blockSkip = /\[[^[\]]*?\]\([^\(\)]*?\)|`[^`]*?`|<[^<>]*?>/g; + inline.anyPunctuation = /\\[punct]/g; + inline._escapes = /\\([punct])/g; + inline._comment = edit(block._comment).replace('(?:-->|$)', '-->').getRegex(); + inline.emStrong.lDelim = edit(inline.emStrong.lDelim, 'u') + .replace(/punct/g, inline._punctuation) + .getRegex(); + inline.emStrong.rDelimAst = edit(inline.emStrong.rDelimAst, 'gu') + .replace(/punct/g, inline._punctuation) + .getRegex(); + inline.emStrong.rDelimUnd = edit(inline.emStrong.rDelimUnd, 'gu') + .replace(/punct/g, inline._punctuation) + .getRegex(); + inline.anyPunctuation = edit(inline.anyPunctuation, 'gu') + .replace(/punct/g, inline._punctuation) + .getRegex(); + inline._escapes = edit(inline._escapes, 'gu') + .replace(/punct/g, inline._punctuation) + .getRegex(); + inline._scheme = /[a-zA-Z][a-zA-Z0-9+.-]{1,31}/; + inline._email = /[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[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(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(inline.tag) + .replace('comment', inline._comment) + .replace('attribute', inline._attribute) + .getRegex(); + inline._label = /(?:\[(?:\\.|[^\[\]\\])*\]|\\.|`[^`]*`|[^\[\]\\`])*?/; + inline._href = /<(?:\\.|[^\n<>\\])+>|[^\s\x00-\x1f]*/; + inline._title = /"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/; + inline.link = edit(inline.link) + .replace('label', inline._label) + .replace('href', inline._href) + .replace('title', inline._title) + .getRegex(); + inline.reflink = edit(inline.reflink) + .replace('label', inline._label) + .replace('ref', block._label) + .getRegex(); + inline.nolink = edit(inline.nolink) + .replace('ref', block._label) + .getRegex(); + inline.reflinkSearch = edit(inline.reflinkSearch, 'g') + .replace('reflink', inline.reflink) + .replace('nolink', inline.nolink) + .getRegex(); + /** + * Normal Inline Grammar + */ + inline.normal = { ...inline }; + /** + * Pedantic Inline Grammar + */ + inline.pedantic = { + ...inline.normal, + strong: { + start: /^__|\*\*/, + middle: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/, + endAst: /\*\*(?!\*)/g, + endUnd: /__(?!_)/g + }, + em: { + start: /^_|\*/, + middle: /^()\*(?=\S)([\s\S]*?\S)\*(?!\*)|^_(?=\S)([\s\S]*?\S)_(?!_)/, + endAst: /\*(?!\*)/g, + endUnd: /_(?!_)/g + }, + link: edit(/^!?\[(label)\]\((.*?)\)/) + .replace('label', inline._label) + .getRegex(), + reflink: edit(/^!?\[(label)\]\s*\[([^\]]*)\]/) + .replace('label', inline._label) + .getRegex() + }; + /** + * GFM Inline Grammar + */ + inline.gfm = { + ...inline.normal, + escape: edit(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~])\1(?=[^~]|$)/, + text: /^([`~]+|[^`~])(?:(?= {2,}\n)|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)|[\s\S]*?(?:(?=[\\<!\[`*~_]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)))/ + }; + inline.gfm.url = edit(inline.gfm.url, 'i') + .replace('email', inline.gfm._extended_email) + .getRegex(); + /** + * GFM + Line Breaks Inline Grammar + */ + inline.breaks = { + ...inline.gfm, + br: edit(inline.br).replace('{2,}', '*').getRegex(), + text: edit(inline.gfm.text) + .replace('\\b_', '\\b_| {2,}\\n') + .replace(/\{2,\}/g, '*') + .getRegex() + }; - return this.tokens; -}; - -/** - * 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) - (); - -/** - * Normal Inline Grammar - */ - -inline.normal = merge({}, inline); - -/** - * 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)\*(?!\*)/ -}); - -/** - * 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?://|') - () -}); - -/** - * GFM + Line Breaks Inline Grammar - */ - -inline.breaks = merge({}, inline.gfm, { - br: replace(inline.br)('{2,}', '*')(), - text: replace(inline.gfm.text)('{2,}', '*')() -}); - -/** - * 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 (!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; + /** + * Block Lexer + */ + class _Lexer { + tokens; + options; + state; + tokenizer; + inlineQueue; + constructor(options) { + // TokenList cannot be created in one go + // @ts-expect-error + this.tokens = []; + this.tokens.links = Object.create(null); + this.options = options || exports.defaults; + this.options.tokenizer = this.options.tokenizer || new _Tokenizer(); + this.tokenizer = this.options.tokenizer; + this.tokenizer.options = this.options; + this.tokenizer.lexer = this; + this.inlineQueue = []; + this.state = { + inLink: false, + inRawBlock: false, + top: true + }; + const rules = { + block: block.normal, + inline: inline.normal + }; + if (this.options.pedantic) { + rules.block = block.pedantic; + rules.inline = inline.pedantic; + } + else if (this.options.gfm) { + rules.block = block.gfm; + if (this.options.breaks) { + rules.inline = inline.breaks; + } + else { + rules.inline = inline.gfm; + } + } + this.tokenizer.rules = rules; + } + /** + * Expose Rules + */ + static get rules() { + return { + block, + inline + }; + } + /** + * Static Lex Method + */ + static lex(src, options) { + const lexer = new _Lexer(options); + return lexer.lex(src); + } + /** + * Static Lex Inline Method + */ + static lexInline(src, options) { + const lexer = new _Lexer(options); + return lexer.inlineTokens(src); + } + /** + * Preprocessing + */ + lex(src) { + src = src + .replace(/\r\n|\r/g, '\n'); + this.blockTokens(src, this.tokens); + let next; + while (next = this.inlineQueue.shift()) { + this.inlineTokens(next.src, next.tokens); + } + return this.tokens; + } + blockTokens(src, tokens = []) { + if (this.options.pedantic) { + src = src.replace(/\t/g, ' ').replace(/^ +$/gm, ''); + } + else { + src = src.replace(/^( *)(\t+)/gm, (_, leading, tabs) => { + return leading + ' '.repeat(tabs.length); + }); + } + let token; + let lastToken; + let cutSrc; + let lastParagraphClipped; + while (src) { + if (this.options.extensions + && this.options.extensions.block + && this.options.extensions.block.some((extTokenizer) => { + if (token = extTokenizer.call({ lexer: this }, src, tokens)) { + src = src.substring(token.raw.length); + tokens.push(token); + return true; + } + return false; + })) { + continue; + } + // newline + if (token = this.tokenizer.space(src)) { + src = src.substring(token.raw.length); + if (token.raw.length === 1 && tokens.length > 0) { + // if there's a single \n as a spacer, it's terminating the last line, + // so move it there so that we don't get unnecessary paragraph tags + tokens[tokens.length - 1].raw += '\n'; + } + else { + tokens.push(token); + } + continue; + } + // code + if (token = this.tokenizer.code(src)) { + src = src.substring(token.raw.length); + lastToken = tokens[tokens.length - 1]; + // An indented code block cannot interrupt a paragraph. + if (lastToken && (lastToken.type === 'paragraph' || lastToken.type === 'text')) { + lastToken.raw += '\n' + token.raw; + lastToken.text += '\n' + token.text; + this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text; + } + else { + tokens.push(token); + } + continue; + } + // fences + if (token = this.tokenizer.fences(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // heading + if (token = this.tokenizer.heading(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // hr + if (token = this.tokenizer.hr(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // blockquote + if (token = this.tokenizer.blockquote(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // list + if (token = this.tokenizer.list(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // html + if (token = this.tokenizer.html(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // def + if (token = this.tokenizer.def(src)) { + src = src.substring(token.raw.length); + lastToken = tokens[tokens.length - 1]; + if (lastToken && (lastToken.type === 'paragraph' || lastToken.type === 'text')) { + lastToken.raw += '\n' + token.raw; + lastToken.text += '\n' + token.raw; + this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text; + } + else if (!this.tokens.links[token.tag]) { + this.tokens.links[token.tag] = { + href: token.href, + title: token.title + }; + } + continue; + } + // table (gfm) + if (token = this.tokenizer.table(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // lheading + if (token = this.tokenizer.lheading(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // top-level paragraph + // prevent paragraph consuming extensions by clipping 'src' to extension start + cutSrc = src; + if (this.options.extensions && this.options.extensions.startBlock) { + let startIndex = Infinity; + const tempSrc = src.slice(1); + let tempStart; + this.options.extensions.startBlock.forEach((getStartIndex) => { + tempStart = getStartIndex.call({ lexer: this }, tempSrc); + if (typeof tempStart === 'number' && tempStart >= 0) { + startIndex = Math.min(startIndex, tempStart); + } + }); + if (startIndex < Infinity && startIndex >= 0) { + cutSrc = src.substring(0, startIndex + 1); + } + } + if (this.state.top && (token = this.tokenizer.paragraph(cutSrc))) { + lastToken = tokens[tokens.length - 1]; + if (lastParagraphClipped && lastToken.type === 'paragraph') { + lastToken.raw += '\n' + token.raw; + lastToken.text += '\n' + token.text; + this.inlineQueue.pop(); + this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text; + } + else { + tokens.push(token); + } + lastParagraphClipped = (cutSrc.length !== src.length); + src = src.substring(token.raw.length); + continue; + } + // text + if (token = this.tokenizer.text(src)) { + src = src.substring(token.raw.length); + lastToken = tokens[tokens.length - 1]; + if (lastToken && lastToken.type === 'text') { + lastToken.raw += '\n' + token.raw; + lastToken.text += '\n' + token.text; + this.inlineQueue.pop(); + this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text; + } + else { + tokens.push(token); + } + continue; + } + if (src) { + const errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0); + if (this.options.silent) { + console.error(errMsg); + break; + } + else { + throw new Error(errMsg); + } + } + } + this.state.top = true; + return tokens; + } + inline(src, tokens = []) { + this.inlineQueue.push({ src, tokens }); + return tokens; + } + /** + * Lexing/Compiling + */ + inlineTokens(src, tokens = []) { + let token, lastToken, cutSrc; + // String with links masked to avoid interference with em and strong + let maskedSrc = src; + let match; + let keepPrevChar, prevChar; + // Mask out reflinks + if (this.tokens.links) { + const links = Object.keys(this.tokens.links); + if (links.length > 0) { + while ((match = this.tokenizer.rules.inline.reflinkSearch.exec(maskedSrc)) != null) { + if (links.includes(match[0].slice(match[0].lastIndexOf('[') + 1, -1))) { + maskedSrc = maskedSrc.slice(0, match.index) + '[' + 'a'.repeat(match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex); + } + } + } + } + // Mask out other blocks + while ((match = this.tokenizer.rules.inline.blockSkip.exec(maskedSrc)) != null) { + maskedSrc = maskedSrc.slice(0, match.index) + '[' + 'a'.repeat(match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.blockSkip.lastIndex); + } + // Mask out escaped characters + while ((match = this.tokenizer.rules.inline.anyPunctuation.exec(maskedSrc)) != null) { + maskedSrc = maskedSrc.slice(0, match.index) + '++' + maskedSrc.slice(this.tokenizer.rules.inline.anyPunctuation.lastIndex); + } + while (src) { + if (!keepPrevChar) { + prevChar = ''; + } + keepPrevChar = false; + // extensions + if (this.options.extensions + && this.options.extensions.inline + && this.options.extensions.inline.some((extTokenizer) => { + if (token = extTokenizer.call({ lexer: this }, src, tokens)) { + src = src.substring(token.raw.length); + tokens.push(token); + return true; + } + return false; + })) { + continue; + } + // escape + if (token = this.tokenizer.escape(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // tag + if (token = this.tokenizer.tag(src)) { + src = src.substring(token.raw.length); + lastToken = tokens[tokens.length - 1]; + if (lastToken && token.type === 'text' && lastToken.type === 'text') { + lastToken.raw += token.raw; + lastToken.text += token.text; + } + else { + tokens.push(token); + } + continue; + } + // link + if (token = this.tokenizer.link(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // reflink, nolink + if (token = this.tokenizer.reflink(src, this.tokens.links)) { + src = src.substring(token.raw.length); + lastToken = tokens[tokens.length - 1]; + if (lastToken && token.type === 'text' && lastToken.type === 'text') { + lastToken.raw += token.raw; + lastToken.text += token.text; + } + else { + tokens.push(token); + } + continue; + } + // em & strong + if (token = this.tokenizer.emStrong(src, maskedSrc, prevChar)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // code + if (token = this.tokenizer.codespan(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // br + if (token = this.tokenizer.br(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // del (gfm) + if (token = this.tokenizer.del(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // autolink + if (token = this.tokenizer.autolink(src)) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // url (gfm) + if (!this.state.inLink && (token = this.tokenizer.url(src))) { + src = src.substring(token.raw.length); + tokens.push(token); + continue; + } + // text + // prevent inlineText consuming extensions by clipping 'src' to extension start + cutSrc = src; + if (this.options.extensions && this.options.extensions.startInline) { + let startIndex = Infinity; + const tempSrc = src.slice(1); + let tempStart; + this.options.extensions.startInline.forEach((getStartIndex) => { + tempStart = getStartIndex.call({ lexer: this }, tempSrc); + if (typeof tempStart === 'number' && tempStart >= 0) { + startIndex = Math.min(startIndex, tempStart); + } + }); + if (startIndex < Infinity && startIndex >= 0) { + cutSrc = src.substring(0, startIndex + 1); + } + } + if (token = this.tokenizer.inlineText(cutSrc)) { + src = src.substring(token.raw.length); + if (token.raw.slice(-1) !== '_') { // Track prevChar before string of ____ started + prevChar = token.raw.slice(-1); + } + keepPrevChar = true; + lastToken = tokens[tokens.length - 1]; + if (lastToken && lastToken.type === 'text') { + lastToken.raw += token.raw; + lastToken.text += token.text; + } + else { + tokens.push(token); + } + continue; + } + if (src) { + const errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0); + if (this.options.silent) { + console.error(errMsg); + break; + } + else { + throw new Error(errMsg); + } + } + } + return tokens; + } } - } else if (this.options.pedantic) { - this.rules = inline.pedantic; - } -} -/** - * Expose Inline Rules - */ - -InlineLexer.rules = inline; - -/** - * Static Lexing/Compiling Method - */ - -InlineLexer.output = function(src, links, options) { - var inline = new InlineLexer(links, options); - return inline.output(src); -}; - -/** - * Lexing/Compiling - */ - -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; + /** + * Renderer + */ + class _Renderer { + options; + constructor(options) { + this.options = options || exports.defaults; + } + code(code, infostring, escaped) { + const lang = (infostring || '').match(/^\S*/)?.[0]; + code = code.replace(/\n$/, '') + '\n'; + if (!lang) { + return '<pre><code>' + + (escaped ? code : escape(code, true)) + + '</code></pre>\n'; + } + return '<pre><code class="language-' + + escape(lang) + + '">' + + (escaped ? code : escape(code, true)) + + '</code></pre>\n'; + } + blockquote(quote) { + return `<blockquote>\n${quote}</blockquote>\n`; + } + html(html, block) { + return html; + } + heading(text, level, raw) { + // ignore IDs + return `<h${level}>${text}</h${level}>\n`; + } + hr() { + return '<hr>\n'; + } + list(body, ordered, start) { + const type = ordered ? 'ol' : 'ul'; + const startatt = (ordered && start !== 1) ? (' start="' + start + '"') : ''; + return '<' + type + startatt + '>\n' + body + '</' + type + '>\n'; + } + listitem(text, task, checked) { + return `<li>${text}</li>\n`; + } + checkbox(checked) { + return '<input ' + + (checked ? 'checked="" ' : '') + + 'disabled="" type="checkbox">'; + } + paragraph(text) { + return `<p>${text}</p>\n`; + } + table(header, body) { + if (body) + body = `<tbody>${body}</tbody>`; + return '<table>\n' + + '<thead>\n' + + header + + '</thead>\n' + + body + + '</table>\n'; + } + tablerow(content) { + return `<tr>\n${content}</tr>\n`; + } + tablecell(content, flags) { + const type = flags.header ? 'th' : 'td'; + const tag = flags.align + ? `<${type} align="${flags.align}">` + : `<${type}>`; + return tag + content + `</${type}>\n`; + } + /** + * span level renderer + */ + strong(text) { + return `<strong>${text}</strong>`; + } + em(text) { + return `<em>${text}</em>`; + } + codespan(text) { + return `<code>${text}</code>`; + } + br() { + return '<br>'; + } + del(text) { + return `<del>${text}</del>`; + } + link(href, title, text) { + const cleanHref = cleanUrl(href); + if (cleanHref === null) { + return text; + } + href = cleanHref; + let out = '<a href="' + href + '"'; + if (title) { + out += ' title="' + title + '"'; + } + out += '>' + text + '</a>'; + return out; + } + image(href, title, text) { + const cleanHref = cleanUrl(href); + if (cleanHref === null) { + return text; + } + href = cleanHref; + let out = `<img src="${href}" alt="${text}"`; + if (title) { + out += ` title="${title}"`; + } + out += '>'; + return out; + } + text(text) { + return text; + } } - // 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; + /** + * TextRenderer + * returns only the textual part of the token + */ + class _TextRenderer { + // no need for block level renderers + strong(text) { + return text; + } + em(text) { + return text; + } + codespan(text) { + return text; + } + del(text) { + return text; + } + html(text) { + return text; + } + text(text) { + return text; + } + link(href, title, text) { + return '' + text; + } + image(href, title, text) { + return '' + text; + } + br() { + return ''; + } } - // 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; + /** + * Parsing & Compiling + */ + class _Parser { + options; + renderer; + textRenderer; + constructor(options) { + this.options = options || exports.defaults; + this.options.renderer = this.options.renderer || new _Renderer(); + this.renderer = this.options.renderer; + this.renderer.options = this.options; + this.textRenderer = new _TextRenderer(); + } + /** + * Static Parse Method + */ + static parse(tokens, options) { + const parser = new _Parser(options); + return parser.parse(tokens); + } + /** + * Static Parse Inline Method + */ + static parseInline(tokens, options) { + const parser = new _Parser(options); + return parser.parseInline(tokens); + } + /** + * Parse Loop + */ + parse(tokens, top = true) { + let out = ''; + for (let i = 0; i < tokens.length; i++) { + const token = tokens[i]; + // Run any renderer extensions + if (this.options.extensions && this.options.extensions.renderers && this.options.extensions.renderers[token.type]) { + const genericToken = token; + const ret = this.options.extensions.renderers[genericToken.type].call({ parser: this }, genericToken); + if (ret !== false || !['space', 'hr', 'heading', 'code', 'table', 'blockquote', 'list', 'html', 'paragraph', 'text'].includes(genericToken.type)) { + out += ret || ''; + continue; + } + } + switch (token.type) { + case 'space': { + continue; + } + case 'hr': { + out += this.renderer.hr(); + continue; + } + case 'heading': { + const headingToken = token; + out += this.renderer.heading(this.parseInline(headingToken.tokens), headingToken.depth, unescape(this.parseInline(headingToken.tokens, this.textRenderer))); + continue; + } + case 'code': { + const codeToken = token; + out += this.renderer.code(codeToken.text, codeToken.lang, !!codeToken.escaped); + continue; + } + case 'table': { + const tableToken = token; + let header = ''; + // header + let cell = ''; + for (let j = 0; j < tableToken.header.length; j++) { + cell += this.renderer.tablecell(this.parseInline(tableToken.header[j].tokens), { header: true, align: tableToken.align[j] }); + } + header += this.renderer.tablerow(cell); + let body = ''; + for (let j = 0; j < tableToken.rows.length; j++) { + const row = tableToken.rows[j]; + cell = ''; + for (let k = 0; k < row.length; k++) { + cell += this.renderer.tablecell(this.parseInline(row[k].tokens), { header: false, align: tableToken.align[k] }); + } + body += this.renderer.tablerow(cell); + } + out += this.renderer.table(header, body); + continue; + } + case 'blockquote': { + const blockquoteToken = token; + const body = this.parse(blockquoteToken.tokens); + out += this.renderer.blockquote(body); + continue; + } + case 'list': { + const listToken = token; + const ordered = listToken.ordered; + const start = listToken.start; + const loose = listToken.loose; + let body = ''; + for (let j = 0; j < listToken.items.length; j++) { + const item = listToken.items[j]; + const checked = item.checked; + const task = item.task; + let itemBody = ''; + if (item.task) { + const checkbox = this.renderer.checkbox(!!checked); + if (loose) { + if (item.tokens.length > 0 && item.tokens[0].type === 'paragraph') { + 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': { + const htmlToken = token; + out += this.renderer.html(htmlToken.text, htmlToken.block); + continue; + } + case 'paragraph': { + const paragraphToken = token; + out += this.renderer.paragraph(this.parseInline(paragraphToken.tokens)); + continue; + } + case 'text': { + let textToken = token; + let body = textToken.tokens ? this.parseInline(textToken.tokens) : textToken.text; + while (i + 1 < tokens.length && tokens[i + 1].type === 'text') { + textToken = tokens[++i]; + body += '\n' + (textToken.tokens ? this.parseInline(textToken.tokens) : textToken.text); + } + out += top ? this.renderer.paragraph(body) : body; + continue; + } + default: { + const errMsg = 'Token with "' + token.type + '" type was not found.'; + if (this.options.silent) { + console.error(errMsg); + return ''; + } + else { + throw new Error(errMsg); + } + } + } + } + return out; + } + /** + * Parse Inline Tokens + */ + parseInline(tokens, renderer) { + renderer = renderer || this.renderer; + let out = ''; + for (let i = 0; i < tokens.length; i++) { + const token = tokens[i]; + // Run any renderer extensions + if (this.options.extensions && this.options.extensions.renderers && this.options.extensions.renderers[token.type]) { + const ret = this.options.extensions.renderers[token.type].call({ parser: this }, token); + if (ret !== false || !['escape', 'html', 'link', 'image', 'strong', 'em', 'codespan', 'br', 'del', 'text'].includes(token.type)) { + out += ret || ''; + continue; + } + } + switch (token.type) { + case 'escape': { + const escapeToken = token; + out += renderer.text(escapeToken.text); + break; + } + case 'html': { + const tagToken = token; + out += renderer.html(tagToken.text); + break; + } + case 'link': { + const linkToken = token; + out += renderer.link(linkToken.href, linkToken.title, this.parseInline(linkToken.tokens, renderer)); + break; + } + case 'image': { + const imageToken = token; + out += renderer.image(imageToken.href, imageToken.title, imageToken.text); + break; + } + case 'strong': { + const strongToken = token; + out += renderer.strong(this.parseInline(strongToken.tokens, renderer)); + break; + } + case 'em': { + const emToken = token; + out += renderer.em(this.parseInline(emToken.tokens, renderer)); + break; + } + case 'codespan': { + const codespanToken = token; + out += renderer.codespan(codespanToken.text); + break; + } + case 'br': { + out += renderer.br(); + break; + } + case 'del': { + const delToken = token; + out += renderer.del(this.parseInline(delToken.tokens, renderer)); + break; + } + case 'text': { + const textToken = token; + out += renderer.text(textToken.text); + break; + } + default: { + const errMsg = 'Token with "' + token.type + '" type was not found.'; + if (this.options.silent) { + console.error(errMsg); + return ''; + } + else { + throw new Error(errMsg); + } + } + } + } + return out; + } } - // 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; + class _Hooks { + options; + constructor(options) { + this.options = options || exports.defaults; + } + static passThroughHooks = new Set([ + 'preprocess', + 'postprocess' + ]); + /** + * Process markdown before marked + */ + preprocess(markdown) { + return markdown; + } + /** + * Process HTML after marked is finished + */ + postprocess(html) { + return html; + } } - // 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; - } - - // 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; - } - 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; - } - - // 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; - } - - // code - if (cap = this.rules.code.exec(src)) { - src = src.substring(cap[0].length); - out += this.renderer.codespan(escape(cap[2], true)); - continue; - } - - // br - if (cap = this.rules.br.exec(src)) { - src = src.substring(cap[0].length); - out += this.renderer.br(); - continue; - } - - // del (gfm) - if (cap = this.rules.del.exec(src)) { - src = src.substring(cap[0].length); - out += this.renderer.del(this.output(cap[1])); - continue; - } - - // 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 out; -}; - -/** - * Compile Link - */ - -InlineLexer.prototype.outputLink = function(cap, link) { - var href = escape(link.href) - , title = link.title ? escape(link.title) : null; - - return cap[0].charAt(0) !== '!' - ? this.renderer.link(href, title, this.output(cap[1])) - : this.renderer.image(href, title, escape(cap[1])); -}; - -/** - * Smartypants Transformations - */ - -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'); -}; - -/** - * Mangle Links - */ - -InlineLexer.prototype.mangle = function(text) { - var out = '' - , l = text.length - , i = 0 - , ch; - - for (; i < l; i++) { - ch = text.charCodeAt(i); - if (Math.random() > 0.5) { - ch = 'x' + ch.toString(16); - } - out += '&#' + ch + ';'; - } - - return out; -}; - -/** - * Renderer - */ - -function Renderer(options) { - this.options = options || {}; -} - -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; - } - } - - if (!lang) { - return '<pre><code>' - + (escaped ? code : escape(code, true)) - + '\n</code></pre>'; - } - - 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; -}; - -/** - * Parsing & Compiling - */ - -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; -} - -/** - * Static Parse Method - */ - -Parser.parse = function(src, options, renderer) { - var parser = new Parser(options, renderer); - return parser.parse(src); -}; - -/** - * Parse Loop - */ - -Parser.prototype.parse = function(src) { - this.inline = new InlineLexer(src.links, this.options, this.renderer); - this.tokens = src.reverse(); - - var out = ''; - while (this.next()) { - out += this.tok(); - } - - return out; -}; - -/** - * Next Token - */ - -Parser.prototype.next = function() { - return this.token = this.tokens.pop(); -}; - -/** - * Preview Next Token - */ - -Parser.prototype.peek = function() { - return this.tokens[this.tokens.length - 1] || 0; -}; - -/** - * Parse Text Tokens - */ - -Parser.prototype.parseText = function() { - var body = this.token.text; - - while (this.peek().type === 'text') { - body += '\n' + this.next().text; - } - - return this.inline.output(body); -}; - -/** - * Parse Current Token - */ - -Parser.prototype.tok = function() { - switch (this.token.type) { - case 'space': { - return ''; - } - 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); - - 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] } - ); + class Marked { + defaults = _getDefaults(); + options = this.setOptions; + parse = this.#parseMarkdown(_Lexer.lex, _Parser.parse); + parseInline = this.#parseMarkdown(_Lexer.lexInline, _Parser.parseInline); + Parser = _Parser; + parser = _Parser.parse; + Renderer = _Renderer; + TextRenderer = _TextRenderer; + Lexer = _Lexer; + lexer = _Lexer.lex; + Tokenizer = _Tokenizer; + Hooks = _Hooks; + constructor(...args) { + this.use(...args); } - - body += this.renderer.tablerow(cell); - } - return this.renderer.table(header, body); + /** + * Run callback for every token + */ + walkTokens(tokens, callback) { + let values = []; + for (const token of tokens) { + values = values.concat(callback.call(this, token)); + switch (token.type) { + case 'table': { + const tableToken = token; + for (const cell of tableToken.header) { + values = values.concat(this.walkTokens(cell.tokens, callback)); + } + for (const row of tableToken.rows) { + for (const cell of row) { + values = values.concat(this.walkTokens(cell.tokens, callback)); + } + } + break; + } + case 'list': { + const listToken = token; + values = values.concat(this.walkTokens(listToken.items, callback)); + break; + } + default: { + const genericToken = token; + if (this.defaults.extensions?.childTokens?.[genericToken.type]) { + this.defaults.extensions.childTokens[genericToken.type].forEach((childTokens) => { + values = values.concat(this.walkTokens(genericToken[childTokens], callback)); + }); + } + else if (genericToken.tokens) { + values = values.concat(this.walkTokens(genericToken.tokens, callback)); + } + } + } + } + return values; + } + use(...args) { + const extensions = this.defaults.extensions || { renderers: {}, childTokens: {} }; + args.forEach((pack) => { + // copy options to new object + const opts = { ...pack }; + // set async to true if it was set to true before + opts.async = this.defaults.async || opts.async || false; + // ==-- Parse "addon" extensions --== // + if (pack.extensions) { + pack.extensions.forEach((ext) => { + if (!ext.name) { + throw new Error('extension name required'); + } + if ('renderer' in ext) { // Renderer extensions + const prevRenderer = extensions.renderers[ext.name]; + if (prevRenderer) { + // Replace extension with func to run new extension but fall back if false + extensions.renderers[ext.name] = function (...args) { + let ret = ext.renderer.apply(this, args); + if (ret === false) { + ret = prevRenderer.apply(this, args); + } + return ret; + }; + } + else { + extensions.renderers[ext.name] = ext.renderer; + } + } + if ('tokenizer' in ext) { // Tokenizer Extensions + if (!ext.level || (ext.level !== 'block' && ext.level !== 'inline')) { + throw new Error("extension level must be 'block' or 'inline'"); + } + const extLevel = extensions[ext.level]; + if (extLevel) { + extLevel.unshift(ext.tokenizer); + } + else { + extensions[ext.level] = [ext.tokenizer]; + } + if (ext.start) { // Function to check for start of token + if (ext.level === 'block') { + if (extensions.startBlock) { + extensions.startBlock.push(ext.start); + } + else { + extensions.startBlock = [ext.start]; + } + } + else if (ext.level === 'inline') { + if (extensions.startInline) { + extensions.startInline.push(ext.start); + } + else { + extensions.startInline = [ext.start]; + } + } + } + } + if ('childTokens' in ext && ext.childTokens) { // Child tokens to be visited by walkTokens + extensions.childTokens[ext.name] = ext.childTokens; + } + }); + opts.extensions = extensions; + } + // ==-- Parse "overwrite" extensions --== // + if (pack.renderer) { + const renderer = this.defaults.renderer || new _Renderer(this.defaults); + for (const prop in pack.renderer) { + const rendererFunc = pack.renderer[prop]; + const rendererKey = prop; + const prevRenderer = renderer[rendererKey]; + // Replace renderer with func to run extension, but fall back if false + renderer[rendererKey] = (...args) => { + let ret = rendererFunc.apply(renderer, args); + if (ret === false) { + ret = prevRenderer.apply(renderer, args); + } + return ret || ''; + }; + } + opts.renderer = renderer; + } + if (pack.tokenizer) { + const tokenizer = this.defaults.tokenizer || new _Tokenizer(this.defaults); + for (const prop in pack.tokenizer) { + const tokenizerFunc = pack.tokenizer[prop]; + const tokenizerKey = prop; + const prevTokenizer = tokenizer[tokenizerKey]; + // Replace tokenizer with func to run extension, but fall back if false + tokenizer[tokenizerKey] = (...args) => { + let ret = tokenizerFunc.apply(tokenizer, args); + if (ret === false) { + ret = prevTokenizer.apply(tokenizer, args); + } + return ret; + }; + } + opts.tokenizer = tokenizer; + } + // ==-- Parse Hooks extensions --== // + if (pack.hooks) { + const hooks = this.defaults.hooks || new _Hooks(); + for (const prop in pack.hooks) { + const hooksFunc = pack.hooks[prop]; + const hooksKey = prop; + const prevHook = hooks[hooksKey]; + if (_Hooks.passThroughHooks.has(prop)) { + hooks[hooksKey] = (arg) => { + if (this.defaults.async) { + return Promise.resolve(hooksFunc.call(hooks, arg)).then(ret => { + return prevHook.call(hooks, ret); + }); + } + const ret = hooksFunc.call(hooks, arg); + return prevHook.call(hooks, ret); + }; + } + else { + hooks[hooksKey] = (...args) => { + let ret = hooksFunc.apply(hooks, args); + if (ret === false) { + ret = prevHook.apply(hooks, args); + } + return ret; + }; + } + } + opts.hooks = hooks; + } + // ==-- Parse WalkTokens extensions --== // + if (pack.walkTokens) { + const walkTokens = this.defaults.walkTokens; + const packWalktokens = pack.walkTokens; + opts.walkTokens = function (token) { + let values = []; + values.push(packWalktokens.call(this, token)); + if (walkTokens) { + values = values.concat(walkTokens.call(this, token)); + } + return values; + }; + } + this.defaults = { ...this.defaults, ...opts }; + }); + return this; + } + setOptions(opt) { + this.defaults = { ...this.defaults, ...opt }; + return this; + } + #parseMarkdown(lexer, parser) { + return (src, options) => { + const origOpt = { ...options }; + const opt = { ...this.defaults, ...origOpt }; + // Show warning if an extension set async to true but the parse was called with async: false + if (this.defaults.async === true && origOpt.async === false) { + if (!opt.silent) { + console.warn('marked(): The async option was set to true by an extension. The async: false option sent to parse will be ignored.'); + } + opt.async = true; + } + const throwError = this.#onError(!!opt.silent, !!opt.async); + // throw error in case of non string input + if (typeof src === 'undefined' || src === null) { + return throwError(new Error('marked(): input parameter is undefined or null')); + } + if (typeof src !== 'string') { + return throwError(new Error('marked(): input parameter is of type ' + + Object.prototype.toString.call(src) + ', string expected')); + } + if (opt.hooks) { + opt.hooks.options = opt; + } + if (opt.async) { + return Promise.resolve(opt.hooks ? opt.hooks.preprocess(src) : src) + .then(src => lexer(src, opt)) + .then(tokens => opt.walkTokens ? Promise.all(this.walkTokens(tokens, opt.walkTokens)).then(() => tokens) : tokens) + .then(tokens => parser(tokens, opt)) + .then(html => opt.hooks ? opt.hooks.postprocess(html) : html) + .catch(throwError); + } + try { + if (opt.hooks) { + src = opt.hooks.preprocess(src); + } + const tokens = lexer(src, opt); + if (opt.walkTokens) { + this.walkTokens(tokens, opt.walkTokens); + } + let html = parser(tokens, opt); + if (opt.hooks) { + html = opt.hooks.postprocess(html); + } + return html; + } + catch (e) { + return throwError(e); + } + }; + } + #onError(silent, async) { + return (e) => { + e.message += '\nPlease report this to https://github.com/markedjs/marked.'; + if (silent) { + const msg = '<p>An error occurred:</p><pre>' + + escape(e.message + '', true) + + '</pre>'; + if (async) { + return Promise.resolve(msg); + } + return msg; + } + if (async) { + return Promise.reject(e); + } + throw e; + }; + } } - case 'blockquote_start': { - var body = ''; - while (this.next().type !== 'blockquote_end') { - body += this.tok(); - } - - return this.renderer.blockquote(body); + const markedInstance = new Marked(); + function marked(src, opt) { + return markedInstance.parse(src, opt); } - case 'list_start': { - var body = '' - , ordered = this.token.ordered; - - while (this.next().type !== 'list_end') { - body += this.tok(); - } - - return this.renderer.list(body, ordered); - } - case 'list_item_start': { - var body = ''; - - while (this.next().type !== 'list_item_end') { - body += this.token.type === 'text' - ? this.parseText() - : this.tok(); - } - - return this.renderer.listitem(body); - } - case 'loose_item_start': { - var body = ''; - - while (this.next().type !== 'list_item_end') { - body += this.tok(); - } - - 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); - } - case 'paragraph': { - return this.renderer.paragraph(this.inline.output(this.token.text)); - } - case 'text': { - return this.renderer.paragraph(this.parseText()); - } - } -}; - -/** - * Helpers - */ - -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; - }; -} - -function noop() {} -noop.exec = noop; - -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; -} - - -/** - * Marked - */ - -function marked(src, opt, callback) { - if (callback || typeof opt === 'function') { - if (!callback) { - callback = opt; - opt = null; - } - - opt = merge({}, marked.defaults, opt || {}); - - var highlight = opt.highlight - , tokens - , pending - , i = 0; - - try { - tokens = Lexer.lex(src, opt) - } catch (e) { - return callback(e); - } - - pending = tokens.length; - - var done = function() { - var out, err; - - try { - out = Parser.parse(tokens, opt); - } catch (e) { - err = e; - } - - opt.highlight = highlight; - - return err - ? callback(err) - : callback(null, out); + /** + * Sets the default options. + * + * @param options Hash of options + */ + marked.options = + marked.setOptions = function (options) { + markedInstance.setOptions(options); + marked.defaults = markedInstance.defaults; + changeDefaults(marked.defaults); + return marked; + }; + /** + * Gets the original marked default options. + */ + marked.getDefaults = _getDefaults; + marked.defaults = exports.defaults; + /** + * Use Extension + */ + marked.use = function (...args) { + markedInstance.use(...args); + marked.defaults = markedInstance.defaults; + changeDefaults(marked.defaults); + return marked; }; + /** + * Run callback for every token + */ + marked.walkTokens = function (tokens, callback) { + return markedInstance.walkTokens(tokens, callback); + }; + /** + * Compiles markdown to HTML without enclosing `p` tag. + * + * @param src String of markdown source to be compiled + * @param options Hash of options + * @return String of compiled HTML + */ + marked.parseInline = markedInstance.parseInline; + /** + * Expose + */ + marked.Parser = _Parser; + marked.parser = _Parser.parse; + marked.Renderer = _Renderer; + marked.TextRenderer = _TextRenderer; + marked.Lexer = _Lexer; + marked.lexer = _Lexer.lex; + marked.Tokenizer = _Tokenizer; + marked.Hooks = _Hooks; + marked.parse = marked; + const options = marked.options; + const setOptions = marked.setOptions; + const use = marked.use; + const walkTokens = marked.walkTokens; + const parseInline = marked.parseInline; + const parse = marked; + const parser = _Parser.parse; + const lexer = _Lexer.lex; - if (!highlight || highlight.length < 3) { - return done(); - } + exports.Hooks = _Hooks; + exports.Lexer = _Lexer; + exports.Marked = Marked; + exports.Parser = _Parser; + exports.Renderer = _Renderer; + exports.TextRenderer = _TextRenderer; + exports.Tokenizer = _Tokenizer; + exports.getDefaults = _getDefaults; + exports.lexer = lexer; + exports.marked = marked; + exports.options = options; + exports.parse = parse; + exports.parseInline = parseInline; + exports.parser = parser; + exports.setOptions = setOptions; + exports.use = use; + exports.walkTokens = walkTokens; - delete opt.highlight; - - if (!pending) return 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 (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>'; - } - throw e; - } -} - -/** - * Options - */ - -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 -}; - -/** - * Expose - */ - -marked.Parser = Parser; -marked.parser = Parser.parse; - -marked.Renderer = Renderer; - -marked.Lexer = Lexer; -marked.lexer = Lexer.lex; - -marked.InlineLexer = InlineLexer; -marked.inlineLexer = InlineLexer.output; - -marked.parse = marked; - -if (typeof exports === 'object') { - module.exports = marked; -} else if (typeof define === 'function' && define.amd) { - define(function() { return marked; }); -} else { - this.marked = marked; -} - -}).call(function() { - return this || (typeof window !== 'undefined' ? window : global); -}()); +})); +//# sourceMappingURL=marked.umd.js.map