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-/**
- * marked v4.2.12 - a markdown parser
- * Copyright (c) 2011-2023, Christopher Jeffrey. (MIT Licensed)
- * https://github.com/markedjs/marked
- */
-
-/**
- * DO NOT EDIT THIS FILE
- * The code in this file is generated from files in ./src/
- */
-
-function getDefaults() {
- return {
- async: false,
- baseUrl: null,
- breaks: false,
- extensions: null,
- gfm: true,
- headerIds: true,
- headerPrefix: '',
- highlight: null,
- langPrefix: 'language-',
- mangle: true,
- pedantic: false,
- renderer: null,
- sanitize: false,
- sanitizer: null,
- silent: false,
- smartypants: false,
- tokenizer: null,
- walkTokens: null,
- xhtml: false
- };
-}
-
-let defaults = getDefaults();
-
-function changeDefaults(newDefaults) {
- defaults = newDefaults;
-}
-
-/**
- * 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;
-}
-
-const unescapeTest = /&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/ig;
-
-/**
- * @param {string} html
- */
-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 '';
- });
-}
-
-const caret = /(^|[^\[])\^/g;
-
-/**
- * @param {string | RegExp} regex
- * @param {string} opt
- */
-function edit(regex, opt) {
- regex = typeof regex === 'string' ? regex : regex.source;
- opt = opt || '';
- const obj = {
- replace: (name, val) => {
- val = val.source || val;
- val = val.replace(caret, '$1');
- regex = regex.replace(name, val);
- return obj;
- },
- getRegex: () => {
- return new RegExp(regex, opt);
- }
- };
- return obj;
-}
-
-const nonWordAndColonTest = /[^\w:]/g;
-const originIndependentUrl = /^$|^[a-z][a-z0-9+.-]*:|^[?#]/i;
-
-/**
- * @param {boolean} sanitize
- * @param {string} base
- * @param {string} href
- */
-function cleanUrl(sanitize, base, href) {
- if (sanitize) {
- let prot;
- try {
- prot = decodeURIComponent(unescape(href))
- .replace(nonWordAndColonTest, '')
- .toLowerCase();
- } catch (e) {
- return null;
- }
- if (prot.indexOf('javascript:') === 0 || prot.indexOf('vbscript:') === 0 || prot.indexOf('data:') === 0) {
- return null;
- }
- }
- if (base && !originIndependentUrl.test(href)) {
- href = resolveUrl(base, href);
- }
- try {
- href = encodeURI(href).replace(/%25/g, '%');
- } catch (e) {
- return null;
- }
- return href;
-}
-
-const baseUrls = {};
-const justDomain = /^[^:]+:\/*[^/]*$/;
-const protocol = /^([^:]+:)[\s\S]*$/;
-const domain = /^([^:]+:\/*[^/]*)[\s\S]*$/;
-
-/**
- * @param {string} base
- * @param {string} href
- */
-function resolveUrl(base, href) {
- if (!baseUrls[' ' + base]) {
- // we can ignore everything in base after the last slash of its path component,
- // but we might need to add _that_
- // https://tools.ietf.org/html/rfc3986#section-3
- if (justDomain.test(base)) {
- baseUrls[' ' + base] = base + '/';
- } else {
- baseUrls[' ' + base] = rtrim(base, '/', true);
- }
- }
- base = baseUrls[' ' + base];
- const relativeBase = base.indexOf(':') === -1;
-
- if (href.substring(0, 2) === '//') {
- if (relativeBase) {
- return href;
- }
- return base.replace(protocol, '$1') + href;
- } else if (href.charAt(0) === '/') {
- if (relativeBase) {
- return href;
- }
- return base.replace(domain, '$1') + href;
- } else {
- return base + href;
- }
-}
-
-const noopTest = { exec: function noopTest() {} };
-
-function merge(obj) {
- let i = 1,
- target,
- key;
-
- for (; i < arguments.length; i++) {
- target = arguments[i];
- for (key in target) {
- if (Object.prototype.hasOwnProperty.call(target, key)) {
- obj[key] = target[key];
- }
- }
- }
-
- return obj;
-}
-
-function splitCells(tableRow, count) {
- // ensure that every cell-delimiting pipe has a space
- // before it to distinguish it from an escaped pipe
- const row = tableRow.replace(/\|/g, (match, offset, str) => {
- let escaped = false,
- curr = offset;
- while (--curr >= 0 && str[curr] === '\\') escaped = !escaped;
- if (escaped) {
- // odd number of slashes means | is escaped
- // so we leave it alone
- return '|';
- } else {
- // add space before unescaped |
- return ' |';
- }
- }),
- cells = row.split(/ \|/);
- let i = 0;
-
- // First/last cell in a row cannot be empty if it has no leading/trailing pipe
- if (!cells[0].trim()) { cells.shift(); }
- if (cells.length > 0 && !cells[cells.length - 1].trim()) { cells.pop(); }
-
- if (cells.length > count) {
- cells.splice(count);
- } else {
- while (cells.length < count) cells.push('');
- }
-
- for (; i < cells.length; i++) {
- // leading or trailing whitespace is ignored per the gfm spec
- cells[i] = cells[i].trim().replace(/\\\|/g, '|');
- }
- return cells;
-}
-
-/**
- * Remove trailing 'c's. Equivalent to str.replace(/c*$/, '').
- * /c*$/ is vulnerable to REDOS.
- *
- * @param {string} str
- * @param {string} c
- * @param {boolean} 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);
-}
-
-function findClosingBracket(str, b) {
- if (str.indexOf(b[1]) === -1) {
- return -1;
- }
- const l = str.length;
- let level = 0,
- i = 0;
- for (; i < l; i++) {
- if (str[i] === '\\') {
- i++;
- } else if (str[i] === b[0]) {
- level++;
- } else if (str[i] === b[1]) {
- level--;
- if (level < 0) {
- return i;
- }
- }
- }
- return -1;
-}
-
-function checkSanitizeDeprecation(opt) {
- if (opt && opt.sanitize && !opt.silent) {
- console.warn('marked(): sanitize and sanitizer parameters are deprecated since version 0.7.0, should not be used and will be removed in the future. Read more here: https://marked.js.org/#/USING_ADVANCED.md#options');
- }
-}
-
-// copied from https://stackoverflow.com/a/5450113/806777
-/**
- * @param {string} pattern
- * @param {number} count
- */
-function repeatString(pattern, count) {
- if (count < 1) {
- return '';
- }
- let result = '';
- while (count > 1) {
- if (count & 1) {
- result += pattern;
- }
- count >>= 1;
- pattern += pattern;
- }
- return result + pattern;
-}
-
-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;
- }
- return {
- type: 'image',
- raw,
- href,
- title,
- text: escape(text)
- };
-}
-
-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');
-}
-
-/**
- * Tokenizer
- */
-class Tokenizer {
- constructor(options) {
- this.options = options || 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 || / $/.test(trimmed)) {
- // CommonMark requires space before trailing #s
- text = trimmed.trim();
- }
- }
-
- return {
- type: 'heading',
- raw: cap[0],
- depth: cap[1].length,
- text,
- tokens: this.lexer.inline(text)
- };
- }
- }
-
- hr(src) {
- const cap = this.rules.block.hr.exec(src);
- if (cap) {
- return {
- type: 'hr',
- raw: cap[0]
- };
- }
- }
-
- blockquote(src) {
- const cap = this.rules.block.blockquote.exec(src);
- if (cap) {
- const text = cap[0].replace(/^ *>[ \t]?/gm, '');
- const top = this.lexer.state.top;
- this.lexer.state.top = true;
- const tokens = this.lexer.blockTokens(text);
- this.lexer.state.top = top;
- return {
- type: 'blockquote',
- raw: cap[0],
- tokens,
- text
- };
- }
- }
-
- list(src) {
- let cap = this.rules.block.list.exec(src);
- if (cap) {
- let raw, istask, ischecked, indent, i, blankLine, endsWithBlankLine,
- line, nextLine, rawLine, itemContents, endEarly;
-
- let bull = cap[1].trim();
- const isordered = bull.length > 1;
-
- const list = {
- type: 'list',
- raw: '',
- ordered: isordered,
- start: isordered ? +bull.slice(0, -1) : '',
- loose: false,
- items: []
- };
-
- bull = isordered ? `\\d{1,9}\\${bull.slice(-1)}` : `\\${bull}`;
-
- if (this.options.pedantic) {
- bull = isordered ? bull : '[*+-]';
- }
-
- // Get next list item
- const itemRegex = new RegExp(`^( {0,3}${bull})((?:[\t ][^\\n]*)?(?:\\n|$))`);
-
- // Check if current bullet point can start a new List Item
- while (src) {
- 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);
-
- line = cap[2].split('\n', 1)[0].replace(/^\t+/, (t) => ' '.repeat(3 * t.length));
- nextLine = src.split('\n', 1)[0];
-
- if (this.options.pedantic) {
- indent = 2;
- itemContents = line.trimLeft();
- } 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;
- }
-
- 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,${Math.min(3, indent - 1)}}#`);
-
- // Check if following lines should be included in List Item
- while (src) {
- rawLine = src.split('\n', 1)[0];
- nextLine = rawLine;
-
- // Re-align to follow commonmark nesting rules
- if (this.options.pedantic) {
- nextLine = nextLine.replace(/^ {1,4}(?=( {4})*[^ ])/g, ' ');
- }
-
- // End list item if found code fences
- if (fencesBeginRegex.test(nextLine)) {
- break;
- }
-
- // End list item if found start of new heading
- if (headingBeginRegex.test(nextLine)) {
- break;
- }
-
- // End list item if found start of new bullet
- if (nextBulletRegex.test(nextLine)) {
- break;
- }
-
- // Horizontal rule found
- if (hrRegex.test(src)) {
- break;
- }
-
- if (nextLine.search(/[^ ]/) >= indent || !nextLine.trim()) { // Dedent if possible
- itemContents += '\n' + nextLine.slice(indent);
- } else {
- // not enough indentation
- if (blankLine) {
- break;
- }
-
- // paragraph continuation unless last line was a different block level element
- if (line.search(/[^ ]/) >= 4) { // indented code block
- break;
- }
- if (fencesBeginRegex.test(line)) {
- break;
- }
- if (headingBeginRegex.test(line)) {
- break;
- }
- if (hrRegex.test(line)) {
- break;
- }
-
- itemContents += '\n' + nextLine;
- }
-
- if (!blankLine && !nextLine.trim()) { // Check if current line is blank
- blankLine = true;
- }
-
- raw += rawLine + '\n';
- src = src.substring(rawLine.length + 1);
- line = nextLine.slice(indent);
- }
- }
-
- if (!list.loose) {
- // If the previous item ended with a blank line, the list is loose
- if (endsWithBlankLine) {
- list.loose = true;
- } else if (/\n *\n *$/.test(raw)) {
- endsWithBlankLine = true;
- }
- }
-
- // 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
- });
-
- 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.trimRight();
- list.items[list.items.length - 1].text = itemContents.trimRight();
- list.raw = list.raw.trimRight();
-
- const l = list.items.length;
-
- // Item child tokens handled here at end because we needed to have the final item to trim it first
- for (i = 0; i < l; 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 (i = 0; i < l; i++) {
- list.items[i].loose = true;
- }
- }
-
- return list;
- }
- }
-
- html(src) {
- const cap = this.rules.block.html.exec(src);
- if (cap) {
- const token = {
- type: 'html',
- raw: cap[0],
- pre: !this.options.sanitizer
- && (cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style'),
- text: cap[0]
- };
- if (this.options.sanitize) {
- const text = this.options.sanitizer ? this.options.sanitizer(cap[0]) : escape(cap[0]);
- token.type = 'paragraph';
- token.text = text;
- token.tokens = this.lexer.inline(text);
- }
- 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, '$1') : cap[3];
- return {
- type: 'def',
- tag,
- raw: cap[0],
- href,
- title
- };
- }
- }
-
- table(src) {
- const cap = this.rules.block.table.exec(src);
- if (cap) {
- const item = {
- type: 'table',
- header: splitCells(cap[1]).map(c => { return { text: c }; }),
- align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
- rows: cap[3] && cap[3].trim() ? cap[3].replace(/\n[ \t]*$/, '').split('\n') : []
- };
-
- if (item.header.length === item.align.length) {
- item.raw = cap[0];
-
- let l = item.align.length;
- let i, j, k, row;
- for (i = 0; i < l; i++) {
- if (/^ *-+: *$/.test(item.align[i])) {
- item.align[i] = 'right';
- } else if (/^ *:-+: *$/.test(item.align[i])) {
- item.align[i] = 'center';
- } else if (/^ *:-+ *$/.test(item.align[i])) {
- item.align[i] = 'left';
- } else {
- item.align[i] = null;
- }
- }
-
- l = item.rows.length;
- for (i = 0; i < l; i++) {
- item.rows[i] = splitCells(item.rows[i], item.header.length).map(c => { return { text: c }; });
- }
-
- // 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: this.options.sanitize
- ? 'text'
- : 'html',
- raw: cap[0],
- inLink: this.lexer.state.inLink,
- inRawBlock: this.lexer.state.inRawBlock,
- text: this.options.sanitize
- ? (this.options.sanitizer
- ? this.options.sanitizer(cap[0])
- : escape(cap[0]))
- : 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 || (nextChar && (prevChar === '' || this.rules.inline.punctuation.exec(prevChar)))) {
- 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 + lLength);
-
- 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 + (match[0].length - rDelim.length) + rLength);
-
- // 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, mangle) {
- const cap = this.rules.inline.autolink.exec(src);
- if (cap) {
- let text, href;
- if (cap[2] === '@') {
- text = escape(this.options.mangle ? mangle(cap[1]) : cap[1]);
- href = 'mailto:' + text;
- } else {
- text = escape(cap[1]);
- href = text;
- }
-
- return {
- type: 'link',
- raw: cap[0],
- text,
- href,
- tokens: [
- {
- type: 'text',
- raw: text,
- text
- }
- ]
- };
- }
- }
-
- url(src, mangle) {
- let cap;
- if (cap = this.rules.inline.url.exec(src)) {
- let text, href;
- if (cap[2] === '@') {
- text = escape(this.options.mangle ? mangle(cap[0]) : 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, smartypants) {
- const cap = this.rules.inline.text.exec(src);
- if (cap) {
- let text;
- if (this.lexer.state.inRawBlock) {
- text = this.options.sanitize ? (this.options.sanitizer ? this.options.sanitizer(cap[0]) : escape(cap[0])) : cap[0];
- } else {
- text = escape(this.options.smartypants ? smartypants(cap[0]) : cap[0]);
- }
- return {
- type: 'text',
- raw: cap[0],
- text
- };
- }
- }
-}
-
-/**
- * Block-Level Grammar
- */
-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+|$)/,
- table: noopTest,
- lheading: /^((?:.|\n(?!\n))+?)\n {0,3}(=+|-+) *(?:\n+|$)/,
- // regex template, placeholders will be replaced according to different paragraph
- // interruption rules of commonmark and the original markdown spec:
- _paragraph: /^([^\n]+(?:\n(?!hr|heading|lheading|blockquote|fences|list|html|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.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 = merge({}, block);
-
-/**
- * GFM Block Grammar
- */
-
-block.gfm = merge({}, 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 = merge({}, 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, // fences not supported
- lheading: /^(.+?)\n {0,3}(=+|-+) *(?:\n+|$)/,
- paragraph: edit(block.normal._paragraph)
- .replace('hr', block.hr)
- .replace('heading', ' *#{1,6} *[^\n]')
- .replace('lheading', block.lheading)
- .replace('blockquote', ' {0,3}>')
- .replace('|fences', '')
- .replace('|list', '')
- .replace('|html', '')
- .getRegex()
-});
-
-/**
- * Inline-Level Grammar
- */
-const inline = {
- escape: /^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/,
- 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]*?\\]\\]>', // CDATA section
- 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_|$)|[^ ](?= {2,}\n)))/,
- punctuation: /^([\spunctuation])/
-};
-
-// list of punctuation marks from CommonMark spec
-// without * and _ to handle the different emphasis markers * and _
-inline._punctuation = '!"#$%&\'()+\\-.,/:;<=>?@\\[\\]`^{|}~';
-inline.punctuation = edit(inline.punctuation).replace(/punctuation/g, inline._punctuation).getRegex();
-
-// sequences em should skip over [title](link), `code`, <html>
-inline.blockSkip = /\[[^\]]*?\]\([^\)]*?\)|`[^`]*?`|<[^>]*?>/g;
-// lookbehind is not available on Safari as of version 16
-// inline.escapedEmSt = /(?<=(?:^|[^\\)(?:\\[^])*)\\[*_]/g;
-inline.escapedEmSt = /(?:^|[^\\])(?:\\\\)*\\[*_]/g;
-
-inline._comment = edit(block._comment).replace('(?:-->|$)', '-->').getRegex();
-
-inline.emStrong.lDelim = edit(inline.emStrong.lDelim)
- .replace(/punct/g, inline._punctuation)
- .getRegex();
-
-inline.emStrong.rDelimAst = edit(inline.emStrong.rDelimAst, 'g')
- .replace(/punct/g, inline._punctuation)
- .getRegex();
-
-inline.emStrong.rDelimUnd = edit(inline.emStrong.rDelimUnd, 'g')
- .replace(/punct/g, inline._punctuation)
- .getRegex();
-
-inline._escapes = /\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/g;
-
-inline._scheme = /[a-zA-Z][a-zA-Z0-9+.-]{1,31}/;
-inline._email = /[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/;
-inline.autolink = edit(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 = merge({}, inline);
-
-/**
- * Pedantic Inline Grammar
- */
-
-inline.pedantic = merge({}, 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 = merge({}, 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 = merge({}, inline.gfm, {
- br: edit(inline.br).replace('{2,}', '*').getRegex(),
- text: edit(inline.gfm.text)
- .replace('\\b_', '\\b_| {2,}\\n')
- .replace(/\{2,\}/g, '*')
- .getRegex()
-});
-
-/**
- * smartypants text replacement
- * @param {string} text
- */
-function smartypants(text) {
- return text
- // em-dashes
- .replace(/---/g, '\u2014')
- // en-dashes
- .replace(/--/g, '\u2013')
- // opening singles
- .replace(/(^|[-\u2014/(\[{"\s])'/g, '$1\u2018')
- // closing singles & apostrophes
- .replace(/'/g, '\u2019')
- // opening doubles
- .replace(/(^|[-\u2014/(\[{\u2018\s])"/g, '$1\u201c')
- // closing doubles
- .replace(/"/g, '\u201d')
- // ellipses
- .replace(/\.{3}/g, '\u2026');
-}
-
-/**
- * mangle email addresses
- * @param {string} text
- */
-function mangle(text) {
- let out = '',
- i,
- ch;
-
- const l = text.length;
- for (i = 0; i < l; i++) {
- ch = text.charCodeAt(i);
- if (Math.random() > 0.5) {
- ch = 'x' + ch.toString(16);
- }
- out += '&#' + ch + ';';
- }
-
- return out;
-}
-
-/**
- * Block Lexer
- */
-class Lexer {
- constructor(options) {
- this.tokens = [];
- this.tokens.links = Object.create(null);
- this.options = options || 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;
- }
-
- /**
- * Lexing
- */
- 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, lastToken, cutSrc, 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 unecessary 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(function(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) + '[' + repeatString('a', 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) + '[' + repeatString('a', match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);
- }
-
- // Mask out escaped em & strong delimiters
- while ((match = this.tokenizer.rules.inline.escapedEmSt.exec(maskedSrc)) != null) {
- maskedSrc = maskedSrc.slice(0, match.index + match[0].length - 2) + '++' + maskedSrc.slice(this.tokenizer.rules.inline.escapedEmSt.lastIndex);
- this.tokenizer.rules.inline.escapedEmSt.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, mangle)) {
- src = src.substring(token.raw.length);
- tokens.push(token);
- continue;
- }
-
- // url (gfm)
- if (!this.state.inLink && (token = this.tokenizer.url(src, mangle))) {
- 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(function(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, smartypants)) {
- 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;
- }
-}
-
-/**
- * Renderer
- */
-class Renderer {
- constructor(options) {
- this.options = options || defaults;
- }
-
- code(code, infostring, escaped) {
- const lang = (infostring || '').match(/\S*/)[0];
- if (this.options.highlight) {
- const out = this.options.highlight(code, lang);
- if (out != null && out !== code) {
- escaped = true;
- code = out;
- }
- }
-
- code = code.replace(/\n$/, '') + '\n';
-
- if (!lang) {
- return '<pre><code>'
- + (escaped ? code : escape(code, true))
- + '</code></pre>\n';
- }
-
- return '<pre><code class="'
- + this.options.langPrefix
- + escape(lang)
- + '">'
- + (escaped ? code : escape(code, true))
- + '</code></pre>\n';
- }
-
- /**
- * @param {string} quote
- */
- blockquote(quote) {
- return `<blockquote>\n${quote}</blockquote>\n`;
- }
-
- html(html) {
- return html;
- }
-
- /**
- * @param {string} text
- * @param {string} level
- * @param {string} raw
- * @param {any} slugger
- */
- heading(text, level, raw, slugger) {
- if (this.options.headerIds) {
- const id = this.options.headerPrefix + slugger.slug(raw);
- return `<h${level} id="${id}">${text}</h${level}>\n`;
- }
-
- // ignore IDs
- return `<h${level}>${text}</h${level}>\n`;
- }
-
- hr() {
- return this.options.xhtml ? '<hr/>\n' : '<hr>\n';
- }
-
- list(body, ordered, start) {
- const type = ordered ? 'ol' : 'ul',
- startatt = (ordered && start !== 1) ? (' start="' + start + '"') : '';
- return '<' + type + startatt + '>\n' + body + '</' + type + '>\n';
- }
-
- /**
- * @param {string} text
- */
- listitem(text) {
- return `<li>${text}</li>\n`;
- }
-
- checkbox(checked) {
- return '<input '
- + (checked ? 'checked="" ' : '')
- + 'disabled="" type="checkbox"'
- + (this.options.xhtml ? ' /' : '')
- + '> ';
- }
-
- /**
- * @param {string} text
- */
- paragraph(text) {
- return `<p>${text}</p>\n`;
- }
-
- /**
- * @param {string} header
- * @param {string} body
- */
- table(header, body) {
- if (body) body = `<tbody>${body}</tbody>`;
-
- return '<table>\n'
- + '<thead>\n'
- + header
- + '</thead>\n'
- + body
- + '</table>\n';
- }
-
- /**
- * @param {string} content
- */
- 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
- * @param {string} text
- */
- strong(text) {
- return `<strong>${text}</strong>`;
- }
-
- /**
- * @param {string} text
- */
- em(text) {
- return `<em>${text}</em>`;
- }
-
- /**
- * @param {string} text
- */
- codespan(text) {
- return `<code>${text}</code>`;
- }
-
- br() {
- return this.options.xhtml ? '<br/>' : '<br>';
- }
-
- /**
- * @param {string} text
- */
- del(text) {
- return `<del>${text}</del>`;
- }
-
- /**
- * @param {string} href
- * @param {string} title
- * @param {string} text
- */
- link(href, title, text) {
- href = cleanUrl(this.options.sanitize, this.options.baseUrl, href);
- if (href === null) {
- return text;
- }
- let out = '<a href="' + href + '"';
- if (title) {
- out += ' title="' + title + '"';
- }
- out += '>' + text + '</a>';
- return out;
- }
-
- /**
- * @param {string} href
- * @param {string} title
- * @param {string} text
- */
- image(href, title, text) {
- href = cleanUrl(this.options.sanitize, this.options.baseUrl, href);
- if (href === null) {
- return text;
- }
-
- let out = `<img src="${href}" alt="${text}"`;
- if (title) {
- out += ` title="${title}"`;
- }
- out += this.options.xhtml ? '/>' : '>';
- return out;
- }
-
- text(text) {
- return text;
- }
-}
-
-/**
- * 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 '';
- }
-}
-
-/**
- * Slugger generates header id
- */
-class Slugger {
- constructor() {
- this.seen = {};
- }
-
- /**
- * @param {string} value
- */
- serialize(value) {
- return value
- .toLowerCase()
- .trim()
- // remove html tags
- .replace(/<[!\/a-z].*?>/ig, '')
- // remove unwanted chars
- .replace(/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,./:;<=>?@[\]^`{|}~]/g, '')
- .replace(/\s/g, '-');
- }
-
- /**
- * Finds the next safe (unique) slug to use
- * @param {string} originalSlug
- * @param {boolean} isDryRun
- */
- getNextSafeSlug(originalSlug, isDryRun) {
- let slug = originalSlug;
- let occurenceAccumulator = 0;
- if (this.seen.hasOwnProperty(slug)) {
- occurenceAccumulator = this.seen[originalSlug];
- do {
- occurenceAccumulator++;
- slug = originalSlug + '-' + occurenceAccumulator;
- } while (this.seen.hasOwnProperty(slug));
- }
- if (!isDryRun) {
- this.seen[originalSlug] = occurenceAccumulator;
- this.seen[slug] = 0;
- }
- return slug;
- }
-
- /**
- * Convert string to unique id
- * @param {object} [options]
- * @param {boolean} [options.dryrun] Generates the next unique slug without
- * updating the internal accumulator.
- */
- slug(value, options = {}) {
- const slug = this.serialize(value);
- return this.getNextSafeSlug(slug, options.dryrun);
- }
-}
-
-/**
- * Parsing & Compiling
- */
-class Parser {
- constructor(options) {
- this.options = options || defaults;
- this.options.renderer = this.options.renderer || new Renderer();
- this.renderer = this.options.renderer;
- this.renderer.options = this.options;
- this.textRenderer = new TextRenderer();
- this.slugger = new Slugger();
- }
-
- /**
- * 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 = '',
- i,
- j,
- k,
- l2,
- l3,
- row,
- cell,
- header,
- body,
- token,
- ordered,
- start,
- loose,
- itemBody,
- item,
- checked,
- task,
- checkbox,
- ret;
-
- const l = tokens.length;
- for (i = 0; i < l; i++) {
- token = tokens[i];
-
- // Run any renderer extensions
- if (this.options.extensions && this.options.extensions.renderers && this.options.extensions.renderers[token.type]) {
- ret = this.options.extensions.renderers[token.type].call({ parser: this }, token);
- if (ret !== false || !['space', 'hr', 'heading', 'code', 'table', 'blockquote', 'list', 'html', 'paragraph', 'text'].includes(token.type)) {
- out += ret || '';
- continue;
- }
- }
-
- switch (token.type) {
- case 'space': {
- continue;
- }
- case 'hr': {
- out += this.renderer.hr();
- continue;
- }
- case 'heading': {
- out += this.renderer.heading(
- this.parseInline(token.tokens),
- token.depth,
- unescape(this.parseInline(token.tokens, this.textRenderer)),
- this.slugger);
- continue;
- }
- case 'code': {
- out += this.renderer.code(token.text,
- token.lang,
- token.escaped);
- continue;
- }
- case 'table': {
- header = '';
-
- // header
- cell = '';
- l2 = token.header.length;
- for (j = 0; j < l2; j++) {
- cell += this.renderer.tablecell(
- this.parseInline(token.header[j].tokens),
- { header: true, align: token.align[j] }
- );
- }
- header += this.renderer.tablerow(cell);
-
- body = '';
- l2 = token.rows.length;
- for (j = 0; j < l2; j++) {
- row = token.rows[j];
-
- cell = '';
- l3 = row.length;
- for (k = 0; k < l3; k++) {
- cell += this.renderer.tablecell(
- this.parseInline(row[k].tokens),
- { header: false, align: token.align[k] }
- );
- }
-
- body += this.renderer.tablerow(cell);
- }
- out += this.renderer.table(header, body);
- continue;
- }
- case 'blockquote': {
- body = this.parse(token.tokens);
- out += this.renderer.blockquote(body);
- continue;
- }
- case 'list': {
- ordered = token.ordered;
- start = token.start;
- loose = token.loose;
- l2 = token.items.length;
-
- body = '';
- for (j = 0; j < l2; j++) {
- item = token.items[j];
- checked = item.checked;
- task = item.task;
-
- itemBody = '';
- if (item.task) {
- checkbox = this.renderer.checkbox(checked);
- if (loose) {
- if (item.tokens.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': {
- // TODO parse inline content if parameter markdown=1
- out += this.renderer.html(token.text);
- continue;
- }
- case 'paragraph': {
- out += this.renderer.paragraph(this.parseInline(token.tokens));
- continue;
- }
- case 'text': {
- body = token.tokens ? this.parseInline(token.tokens) : token.text;
- while (i + 1 < l && tokens[i + 1].type === 'text') {
- token = tokens[++i];
- body += '\n' + (token.tokens ? this.parseInline(token.tokens) : token.text);
- }
- out += top ? this.renderer.paragraph(body) : body;
- continue;
- }
-
- default: {
- 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 = '',
- i,
- token,
- ret;
-
- const l = tokens.length;
- for (i = 0; i < l; i++) {
- token = tokens[i];
-
- // Run any renderer extensions
- if (this.options.extensions && this.options.extensions.renderers && this.options.extensions.renderers[token.type]) {
- 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': {
- out += renderer.text(token.text);
- break;
- }
- case 'html': {
- out += renderer.html(token.text);
- break;
- }
- case 'link': {
- out += renderer.link(token.href, token.title, this.parseInline(token.tokens, renderer));
- break;
- }
- case 'image': {
- out += renderer.image(token.href, token.title, token.text);
- break;
- }
- case 'strong': {
- out += renderer.strong(this.parseInline(token.tokens, renderer));
- break;
- }
- case 'em': {
- out += renderer.em(this.parseInline(token.tokens, renderer));
- break;
- }
- case 'codespan': {
- out += renderer.codespan(token.text);
- break;
- }
- case 'br': {
- out += renderer.br();
- break;
- }
- case 'del': {
- out += renderer.del(this.parseInline(token.tokens, renderer));
- break;
- }
- case 'text': {
- out += renderer.text(token.text);
- break;
- }
- default: {
- 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;
- }
-}
-
-/**
- * Marked
- */
-function marked(src, opt, callback) {
- // throw error in case of non string input
- if (typeof src === 'undefined' || src === null) {
- throw new Error('marked(): input parameter is undefined or null');
- }
- if (typeof src !== 'string') {
- throw new Error('marked(): input parameter is of type '
- + Object.prototype.toString.call(src) + ', string expected');
- }
-
- if (typeof opt === 'function') {
- callback = opt;
- opt = null;
- }
-
- opt = merge({}, marked.defaults, opt || {});
- checkSanitizeDeprecation(opt);
-
- if (callback) {
- const highlight = opt.highlight;
- let tokens;
-
- try {
- tokens = Lexer.lex(src, opt);
- } catch (e) {
- return callback(e);
- }
-
- const done = function(err) {
- let out;
-
- if (!err) {
- try {
- if (opt.walkTokens) {
- marked.walkTokens(tokens, opt.walkTokens);
- }
- out = Parser.parse(tokens, opt);
- } catch (e) {
- err = e;
- }
- }
-
- opt.highlight = highlight;
-
- return err
- ? callback(err)
- : callback(null, out);
- };
-
- if (!highlight || highlight.length < 3) {
- return done();
- }
-
- delete opt.highlight;
-
- if (!tokens.length) return done();
-
- let pending = 0;
- marked.walkTokens(tokens, function(token) {
- if (token.type === 'code') {
- pending++;
- setTimeout(() => {
- highlight(token.text, token.lang, function(err, code) {
- if (err) {
- return done(err);
- }
- if (code != null && code !== token.text) {
- token.text = code;
- token.escaped = true;
- }
-
- pending--;
- if (pending === 0) {
- done();
- }
- });
- }, 0);
- }
- });
-
- if (pending === 0) {
- done();
- }
-
- return;
- }
-
- function onError(e) {
- e.message += '\nPlease report this to https://github.com/markedjs/marked.';
- if (opt.silent) {
- return '<p>An error occurred:</p><pre>'
- + escape(e.message + '', true)
- + '</pre>';
- }
- throw e;
- }
-
- try {
- const tokens = Lexer.lex(src, opt);
- if (opt.walkTokens) {
- if (opt.async) {
- return Promise.all(marked.walkTokens(tokens, opt.walkTokens))
- .then(() => {
- return Parser.parse(tokens, opt);
- })
- .catch(onError);
- }
- marked.walkTokens(tokens, opt.walkTokens);
- }
- return Parser.parse(tokens, opt);
- } catch (e) {
- onError(e);
- }
-}
-
-/**
- * Options
- */
-
-marked.options =
-marked.setOptions = function(opt) {
- merge(marked.defaults, opt);
- changeDefaults(marked.defaults);
- return marked;
-};
-
-marked.getDefaults = getDefaults;
-
-marked.defaults = defaults;
-
-/**
- * Use Extension
- */
-
-marked.use = function(...args) {
- const extensions = marked.defaults.extensions || { renderers: {}, childTokens: {} };
-
- args.forEach((pack) => {
- // copy options to new object
- const opts = merge({}, pack);
-
- // set async to true if it was set to true before
- opts.async = marked.defaults.async || opts.async;
-
- // ==-- Parse "addon" extensions --== //
- if (pack.extensions) {
- pack.extensions.forEach((ext) => {
- if (!ext.name) {
- throw new Error('extension name required');
- }
- if (ext.renderer) { // 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 (ext.tokenizer) { // Tokenizer Extensions
- if (!ext.level || (ext.level !== 'block' && ext.level !== 'inline')) {
- throw new Error("extension level must be 'block' or 'inline'");
- }
- if (extensions[ext.level]) {
- extensions[ext.level].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 (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 = marked.defaults.renderer || new Renderer();
- for (const prop in pack.renderer) {
- const prevRenderer = renderer[prop];
- // Replace renderer with func to run extension, but fall back if false
- renderer[prop] = (...args) => {
- let ret = pack.renderer[prop].apply(renderer, args);
- if (ret === false) {
- ret = prevRenderer.apply(renderer, args);
- }
- return ret;
- };
- }
- opts.renderer = renderer;
- }
- if (pack.tokenizer) {
- const tokenizer = marked.defaults.tokenizer || new Tokenizer();
- for (const prop in pack.tokenizer) {
- const prevTokenizer = tokenizer[prop];
- // Replace tokenizer with func to run extension, but fall back if false
- tokenizer[prop] = (...args) => {
- let ret = pack.tokenizer[prop].apply(tokenizer, args);
- if (ret === false) {
- ret = prevTokenizer.apply(tokenizer, args);
- }
- return ret;
- };
- }
- opts.tokenizer = tokenizer;
- }
-
- // ==-- Parse WalkTokens extensions --== //
- if (pack.walkTokens) {
- const walkTokens = marked.defaults.walkTokens;
- opts.walkTokens = function(token) {
- let values = [];
- values.push(pack.walkTokens.call(this, token));
- if (walkTokens) {
- values = values.concat(walkTokens.call(this, token));
- }
- return values;
- };
- }
-
- marked.setOptions(opts);
- });
-};
-
-/**
- * Run callback for every token
- */
-
-marked.walkTokens = function(tokens, callback) {
- let values = [];
- for (const token of tokens) {
- values = values.concat(callback.call(marked, token));
- switch (token.type) {
- case 'table': {
- for (const cell of token.header) {
- values = values.concat(marked.walkTokens(cell.tokens, callback));
- }
- for (const row of token.rows) {
- for (const cell of row) {
- values = values.concat(marked.walkTokens(cell.tokens, callback));
- }
- }
- break;
- }
- case 'list': {
- values = values.concat(marked.walkTokens(token.items, callback));
- break;
- }
- default: {
- if (marked.defaults.extensions && marked.defaults.extensions.childTokens && marked.defaults.extensions.childTokens[token.type]) { // Walk any extensions
- marked.defaults.extensions.childTokens[token.type].forEach(function(childTokens) {
- values = values.concat(marked.walkTokens(token[childTokens], callback));
- });
- } else if (token.tokens) {
- values = values.concat(marked.walkTokens(token.tokens, callback));
- }
- }
- }
- }
- return values;
-};
-
-/**
- * Parse Inline
- * @param {string} src
- */
-marked.parseInline = function(src, opt) {
- // throw error in case of non string input
- if (typeof src === 'undefined' || src === null) {
- throw new Error('marked.parseInline(): input parameter is undefined or null');
- }
- if (typeof src !== 'string') {
- throw new Error('marked.parseInline(): input parameter is of type '
- + Object.prototype.toString.call(src) + ', string expected');
- }
-
- opt = merge({}, marked.defaults, opt || {});
- checkSanitizeDeprecation(opt);
-
- try {
- const tokens = Lexer.lexInline(src, opt);
- if (opt.walkTokens) {
- marked.walkTokens(tokens, opt.walkTokens);
- }
- return Parser.parseInline(tokens, opt);
- } catch (e) {
- e.message += '\nPlease report this to https://github.com/markedjs/marked.';
- if (opt.silent) {
- return '<p>An error occurred:</p><pre>'
- + escape(e.message + '', true)
- + '</pre>';
- }
- throw e;
- }
-};
-
-/**
- * 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.Slugger = Slugger;
-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;
-
-export { Lexer, Parser, Renderer, Slugger, TextRenderer, Tokenizer, defaults, getDefaults, lexer, marked, options, parse, parseInline, parser, setOptions, use, walkTokens };
generated by cgit v1.2.3 (git 2.39.1) at 2026-09-22 11:52:23 +0000