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'use strict'; |
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|
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function _getDefaults() { |
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return { |
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async: false, |
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breaks: false, |
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extensions: null, |
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gfm: true, |
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hooks: null, |
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pedantic: false, |
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renderer: null, |
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silent: false, |
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tokenizer: null, |
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walkTokens: null |
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}; |
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} |
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exports.defaults = _getDefaults(); |
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function changeDefaults(newDefaults) { |
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exports.defaults = newDefaults; |
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} |
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|
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const escapeTest = /[&<>"']/; |
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const escapeReplace = new RegExp(escapeTest.source, 'g'); |
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const escapeTestNoEncode = /[<>"']|&(?!(#\d{1,7}|#[Xx][a-fA-F0-9]{1,6}|\w+);)/; |
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const escapeReplaceNoEncode = new RegExp(escapeTestNoEncode.source, 'g'); |
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const escapeReplacements = { |
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'&': '&', |
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'<': '<', |
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'>': '>', |
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'"': '"', |
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"'": ''' |
|
}; |
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const getEscapeReplacement = (ch) => escapeReplacements[ch]; |
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function escape(html, encode) { |
|
if (encode) { |
|
if (escapeTest.test(html)) { |
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return html.replace(escapeReplace, getEscapeReplacement); |
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} |
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} |
|
else { |
|
if (escapeTestNoEncode.test(html)) { |
|
return html.replace(escapeReplaceNoEncode, getEscapeReplacement); |
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} |
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} |
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return html; |
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} |
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const unescapeTest = /&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/ig; |
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function unescape(html) { |
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|
|
return html.replace(unescapeTest, (_, n) => { |
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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; |
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function edit(regex, opt) { |
|
regex = typeof regex === 'string' ? regex : regex.source; |
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opt = opt || ''; |
|
const obj = { |
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replace: (name, val) => { |
|
val = typeof val === 'object' && 'source' in val ? val.source : val; |
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val = val.replace(caret, '$1'); |
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regex = regex.replace(name, val); |
|
return obj; |
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}, |
|
getRegex: () => { |
|
return new RegExp(regex, opt); |
|
} |
|
}; |
|
return obj; |
|
} |
|
function cleanUrl(href) { |
|
try { |
|
href = encodeURI(href).replace(/%25/g, '%'); |
|
} |
|
catch (e) { |
|
return null; |
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} |
|
return href; |
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} |
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const noopTest = { exec: () => null }; |
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function splitCells(tableRow, count) { |
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|
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const row = tableRow.replace(/\|/g, (match, offset, str) => { |
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let escaped = false; |
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let curr = offset; |
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while (--curr >= 0 && str[curr] === '\\') |
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escaped = !escaped; |
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if (escaped) { |
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return '|'; |
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} |
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else { |
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|
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return ' |'; |
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} |
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}), cells = row.split(/ \|/); |
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let i = 0; |
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|
|
if (!cells[0].trim()) { |
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cells.shift(); |
|
} |
|
if (cells.length > 0 && !cells[cells.length - 1].trim()) { |
|
cells.pop(); |
|
} |
|
if (count) { |
|
if (cells.length > count) { |
|
cells.splice(count); |
|
} |
|
else { |
|
while (cells.length < count) |
|
cells.push(''); |
|
} |
|
} |
|
for (; i < cells.length; i++) { |
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|
|
cells[i] = cells[i].trim().replace(/\\\|/g, '|'); |
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} |
|
return cells; |
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} |
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function rtrim(str, c, invert) { |
|
const l = str.length; |
|
if (l === 0) { |
|
return ''; |
|
} |
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|
|
let suffLen = 0; |
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|
|
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; |
|
} |
|
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; |
|
} |
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|
|
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, |
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text, |
|
tokens: lexer.inlineTokens(text) |
|
}; |
|
lexer.state.inLink = false; |
|
return token; |
|
} |
|
return { |
|
type: 'image', |
|
raw, |
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href, |
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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'); |
|
} |
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|
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|
|
class _Tokenizer { |
|
options; |
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|
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rules; |
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lexer; |
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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, '$1') : cap[2], |
|
text |
|
}; |
|
} |
|
} |
|
heading(src) { |
|
const cap = this.rules.block.heading.exec(src); |
|
if (cap) { |
|
let text = cap[2].trim(); |
|
|
|
if (/#$/.test(text)) { |
|
const trimmed = rtrim(text, '#'); |
|
if (this.options.pedantic) { |
|
text = trimmed.trim(); |
|
} |
|
else if (!trimmed || / $/.test(trimmed)) { |
|
|
|
text = trimmed.trim(); |
|
} |
|
} |
|
return { |
|
type: 'heading', |
|
raw: cap[0], |
|
depth: cap[1].length, |
|
text, |
|
tokens: this.lexer.inline(text) |
|
}; |
|
} |
|
} |
|
hr(src) { |
|
const cap = this.rules.block.hr.exec(src); |
|
if (cap) { |
|
return { |
|
type: 'hr', |
|
raw: cap[0] |
|
}; |
|
} |
|
} |
|
blockquote(src) { |
|
const cap = this.rules.block.blockquote.exec(src); |
|
if (cap) { |
|
const text = rtrim(cap[0].replace(/^ *>[ \t]?/gm, ''), '\n'); |
|
const top = this.lexer.state.top; |
|
this.lexer.state.top = true; |
|
const tokens = this.lexer.blockTokens(text); |
|
this.lexer.state.top = top; |
|
return { |
|
type: 'blockquote', |
|
raw: cap[0], |
|
tokens, |
|
text |
|
}; |
|
} |
|
} |
|
list(src) { |
|
let cap = this.rules.block.list.exec(src); |
|
if (cap) { |
|
let bull = cap[1].trim(); |
|
const isordered = bull.length > 1; |
|
const list = { |
|
type: 'list', |
|
raw: '', |
|
ordered: isordered, |
|
start: isordered ? +bull.slice(0, -1) : '', |
|
loose: false, |
|
items: [] |
|
}; |
|
bull = isordered ? `\\d{1,9}\\${bull.slice(-1)}` : `\\${bull}`; |
|
if (this.options.pedantic) { |
|
bull = isordered ? bull : '[*+-]'; |
|
} |
|
|
|
const itemRegex = new RegExp(`^( {0,3}${bull})((?:[\t ][^\\n]*)?(?:\\n|$))`); |
|
let raw = ''; |
|
let itemContents = ''; |
|
let endsWithBlankLine = false; |
|
|
|
while (src) { |
|
let endEarly = false; |
|
if (!(cap = itemRegex.exec(src))) { |
|
break; |
|
} |
|
if (this.rules.block.hr.test(src)) { |
|
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(/[^ ]/); |
|
indent = indent > 4 ? 1 : indent; |
|
itemContents = line.slice(indent); |
|
indent += cap[1].length; |
|
} |
|
let blankLine = false; |
|
if (!line && /^ *$/.test(nextLine)) { |
|
raw += nextLine + '\n'; |
|
src = src.substring(nextLine.length + 1); |
|
endEarly = true; |
|
} |
|
if (!endEarly) { |
|
const nextBulletRegex = new RegExp(`^ {0,${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,${Math.min(3, indent - 1)}}#`); |
|
|
|
while (src) { |
|
const rawLine = src.split('\n', 1)[0]; |
|
nextLine = rawLine; |
|
|
|
if (this.options.pedantic) { |
|
nextLine = nextLine.replace(/^ {1,4}(?=( {4})*[^ ])/g, ' '); |
|
} |
|
|
|
if (fencesBeginRegex.test(nextLine)) { |
|
break; |
|
} |
|
|
|
if (headingBeginRegex.test(nextLine)) { |
|
break; |
|
} |
|
|
|
if (nextBulletRegex.test(nextLine)) { |
|
break; |
|
} |
|
|
|
if (hrRegex.test(src)) { |
|
break; |
|
} |
|
if (nextLine.search(/[^ ]/) >= indent || !nextLine.trim()) { |
|
itemContents += '\n' + nextLine.slice(indent); |
|
} |
|
else { |
|
|
|
if (blankLine) { |
|
break; |
|
} |
|
|
|
if (line.search(/[^ ]/) >= 4) { |
|
break; |
|
} |
|
if (fencesBeginRegex.test(line)) { |
|
break; |
|
} |
|
if (headingBeginRegex.test(line)) { |
|
break; |
|
} |
|
if (hrRegex.test(line)) { |
|
break; |
|
} |
|
itemContents += '\n' + nextLine; |
|
} |
|
if (!blankLine && !nextLine.trim()) { |
|
blankLine = true; |
|
} |
|
raw += rawLine + '\n'; |
|
src = src.substring(rawLine.length + 1); |
|
line = nextLine.slice(indent); |
|
} |
|
} |
|
if (!list.loose) { |
|
|
|
if (endsWithBlankLine) { |
|
list.loose = true; |
|
} |
|
else if (/\n *\n *$/.test(raw)) { |
|
endsWithBlankLine = true; |
|
} |
|
} |
|
let istask = null; |
|
let ischecked; |
|
|
|
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; |
|
} |
|
|
|
list.items[list.items.length - 1].raw = raw.trimEnd(); |
|
list.items[list.items.length - 1].text = itemContents.trimEnd(); |
|
list.raw = list.raw.trimEnd(); |
|
|
|
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) { |
|
|
|
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; |
|
} |
|
} |
|
|
|
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, '$1') : cap[3]; |
|
return { |
|
type: 'def', |
|
tag, |
|
raw: cap[0], |
|
href, |
|
title |
|
}; |
|
} |
|
} |
|
table(src) { |
|
const cap = this.rules.block.table.exec(src); |
|
if (cap) { |
|
if (!/[:|]/.test(cap[2])) { |
|
|
|
return; |
|
} |
|
const item = { |
|
type: 'table', |
|
raw: cap[0], |
|
header: splitCells(cap[1]).map(c => { |
|
return { text: c, tokens: [] }; |
|
}), |
|
align: cap[2].replace(/^\||\| *$/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: [] }; |
|
}); |
|
} |
|
|
|
|
|
l = item.header.length; |
|
for (j = 0; j < l; j++) { |
|
item.header[j].tokens = this.lexer.inline(item.header[j].text); |
|
} |
|
|
|
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)) { |
|
|
|
if (!(/>$/.test(trimmedUrl))) { |
|
return; |
|
} |
|
|
|
const rtrimSlash = rtrim(trimmedUrl.slice(0, -1), '\\'); |
|
if ((trimmedUrl.length - rtrimSlash.length) % 2 === 0) { |
|
return; |
|
} |
|
} |
|
else { |
|
|
|
const lastParenIndex = findClosingBracket(cap[2], '()'); |
|
if (lastParenIndex > -1) { |
|
const start = cap[0].indexOf('!') === 0 ? 5 : 4; |
|
const linkLen = start + cap[1].length + lastParenIndex; |
|
cap[2] = cap[2].substring(0, lastParenIndex); |
|
cap[0] = cap[0].substring(0, linkLen).trim(); |
|
cap[3] = ''; |
|
} |
|
} |
|
let href = cap[2]; |
|
let title = ''; |
|
if (this.options.pedantic) { |
|
|
|
const link = /^([^'"]*[^\s])\s+(['"])(.*)\2/.exec(href); |
|
if (link) { |
|
href = link[1]; |
|
title = link[3]; |
|
} |
|
} |
|
else { |
|
title = cap[3] ? cap[3].slice(1, -1) : ''; |
|
} |
|
href = href.trim(); |
|
if (/^</.test(href)) { |
|
if (this.options.pedantic && !(/>$/.test(trimmedUrl))) { |
|
|
|
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; |
|
|
|
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)) { |
|
|
|
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; |
|
|
|
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; |
|
rLength = [...rDelim].length; |
|
if (match[3] || match[4]) { |
|
delimTotal += rLength; |
|
continue; |
|
} |
|
else if (match[5] || match[6]) { |
|
if (lLength % 3 && !((lLength + rLength) % 3)) { |
|
midDelimTotal += rLength; |
|
continue; |
|
} |
|
} |
|
delimTotal -= rLength; |
|
if (delimTotal > 0) |
|
continue; |
|
|
|
rLength = Math.min(rLength, rLength + delimTotal + midDelimTotal); |
|
|
|
const lastCharLength = [...match[0]][0].length; |
|
const raw = src.slice(0, lLength + match.index + lastCharLength + rLength); |
|
|
|
if (Math.min(lLength, rLength) % 2) { |
|
const text = raw.slice(1, -1); |
|
return { |
|
type: 'em', |
|
raw, |
|
text, |
|
tokens: this.lexer.inlineTokens(text) |
|
}; |
|
} |
|
|
|
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 { |
|
|
|
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 |
|
}; |
|
} |
|
} |
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
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|$)/, |
|
html: '^ {0,3}(?:' |
|
+ '<(script|pre|style|textarea)[\\s>][\\s\\S]*?(?:</\\1>[^\\n]*\\n+|$)' |
|
+ '|comment[^\\n]*(\\n+|$)' |
|
+ '|<\\?[\\s\\S]*?(?:\\?>\\n*|$)' |
|
+ '|<![A-Z][\\s\\S]*?(?:>\\n*|$)' |
|
+ '|<!\\[CDATA\\[[\\s\\S]*?(?:\\]\\]>\\n*|$)' |
|
+ '|</?(tag)(?: +|\\n|/?>)[\\s\\S]*?(?:(?:\\n *)+\\n|$)' |
|
+ '|<(?!script|pre|style|textarea)([a-z][\\w-]*)(?:attribute)*? */?>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$)' |
|
+ '|</(?!script|pre|style|textarea)[a-z][\\w-]*\\s*>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$)' |
|
+ ')', |
|
def: /^ {0,3}\[(label)\]: *(?:\n *)?([^<\s][^\s]*|<.*?>)(?:(?: +(?:\n *)?| *\n *)(title))? *(?:\n+|$)/, |
|
table: noopTest, |
|
lheading: /^(?!bull )((?:.|\n(?!\s*?\n|bull ))+?)\n {0,3}(=+|-+) *(?:\n+|$)/, |
|
|
|
|
|
_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) |
|
.getRegex(); |
|
block.paragraph = edit(block._paragraph) |
|
.replace('hr', block.hr) |
|
.replace('heading', ' {0,3}#{1,6}(?:\\s|$)') |
|
.replace('|lheading', '') |
|
.replace('|table', '') |
|
.replace('blockquote', ' {0,3}>') |
|
.replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n') |
|
.replace('list', ' {0,3}(?:[*+-]|1[.)]) ') |
|
.replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)') |
|
.replace('tag', block._tag) |
|
.getRegex(); |
|
block.blockquote = edit(block.blockquote) |
|
.replace('paragraph', block.paragraph) |
|
.getRegex(); |
|
|
|
|
|
|
|
block.normal = { ...block }; |
|
|
|
|
|
|
|
block.gfm = { |
|
...block.normal, |
|
table: '^ *([^\\n ].*)\\n' |
|
+ ' {0,3}((?:\\| *)?:?-+:? *(?:\\| *:?-+:? *)*(?:\\| *)?)' |
|
+ '(?:\\n((?:(?! *\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)' |
|
}; |
|
block.gfm.table = edit(block.gfm.table) |
|
.replace('hr', block.hr) |
|
.replace('heading', ' {0,3}#{1,6}(?:\\s|$)') |
|
.replace('blockquote', ' {0,3}>') |
|
.replace('code', ' {4}[^\\n]') |
|
.replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n') |
|
.replace('list', ' {0,3}(?:[*+-]|1[.)]) ') |
|
.replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)') |
|
.replace('tag', block._tag) |
|
.getRegex(); |
|
block.gfm.paragraph = edit(block._paragraph) |
|
.replace('hr', block.hr) |
|
.replace('heading', ' {0,3}#{1,6}(?:\\s|$)') |
|
.replace('|lheading', '') |
|
.replace('table', block.gfm.table) |
|
.replace('blockquote', ' {0,3}>') |
|
.replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n') |
|
.replace('list', ' {0,3}(?:[*+-]|1[.)]) ') |
|
.replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)') |
|
.replace('tag', block._tag) |
|
.getRegex(); |
|
|
|
|
|
|
|
block.pedantic = { |
|
...block.normal, |
|
html: edit('^ *(?:comment *(?:\\n|\\s*$)' |
|
+ '|<(tag)[\\s\\S]+?</\\1> *(?:\\n{2,}|\\s*$)' |
|
+ '|<tag(?:"[^"]*"|\'[^\']*\'|\\s[^\'"/>\\s]*)*?/?> *(?:\\n{2,}|\\s*$))') |
|
.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+|$)/, |
|
paragraph: edit(block.normal._paragraph) |
|
.replace('hr', block.hr) |
|
.replace('heading', ' *#{1,6} *[^\n]') |
|
.replace('lheading', block.lheading) |
|
.replace('blockquote', ' {0,3}>') |
|
.replace('|fences', '') |
|
.replace('|list', '') |
|
.replace('|html', '') |
|
.getRegex() |
|
}; |
|
|
|
|
|
|
|
|
|
|
|
const inline = { |
|
escape: /^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/, |
|
autolink: /^<(scheme:[^\s\x00-\x1f<>]*|email)>/, |
|
url: noopTest, |
|
tag: '^comment' |
|
+ '|^</[a-zA-Z][\\w:-]*\\s*>' |
|
+ '|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>' |
|
+ '|^<\\?[\\s\\S]*?\\?>' |
|
+ '|^<![a-zA-Z]+\\s[\\s\\S]*?>' |
|
+ '|^<!\\[CDATA\\[[\\s\\S]*?\\]\\]>', |
|
link: /^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/, |
|
reflink: /^!?\[(label)\]\[(ref)\]/, |
|
nolink: /^!?\[(ref)\](?:\[\])?/, |
|
reflinkSearch: 'reflink|nolink(?!\\()', |
|
emStrong: { |
|
lDelim: /^(?:\*+(?:((?!\*)[punct])|[^\s*]))|^_+(?:((?!_)[punct])|([^\s_]))/, |
|
|
|
|
|
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])/ |
|
}, |
|
code: /^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/, |
|
br: /^( {2,}|\\)\n(?!\s*$)/, |
|
del: noopTest, |
|
text: /^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*_]|\b_|$)|[^ ](?= {2,}\n)))/, |
|
punctuation: /^((?![*_])[\spunctuation])/ |
|
}; |
|
|
|
inline._punctuation = '\\p{P}$+<=>`^|~'; |
|
inline.punctuation = edit(inline.punctuation, 'u').replace(/punctuation/g, inline._punctuation).getRegex(); |
|
|
|
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(); |
|
|
|
|
|
|
|
inline.normal = { ...inline }; |
|
|
|
|
|
|
|
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() |
|
}; |
|
|
|
|
|
|
|
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(); |
|
|
|
|
|
|
|
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() |
|
}; |
|
|
|
|
|
|
|
|
|
class _Lexer { |
|
tokens; |
|
options; |
|
state; |
|
tokenizer; |
|
inlineQueue; |
|
constructor(options) { |
|
|
|
|
|
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; |
|
} |
|
|
|
|
|
|
|
static get rules() { |
|
return { |
|
block, |
|
inline |
|
}; |
|
} |
|
|
|
|
|
|
|
static lex(src, options) { |
|
const lexer = new _Lexer(options); |
|
return lexer.lex(src); |
|
} |
|
|
|
|
|
|
|
static lexInline(src, options) { |
|
const lexer = new _Lexer(options); |
|
return lexer.inlineTokens(src); |
|
} |
|
|
|
|
|
|
|
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; |
|
} |
|
|
|
if (token = this.tokenizer.space(src)) { |
|
src = src.substring(token.raw.length); |
|
if (token.raw.length === 1 && tokens.length > 0) { |
|
|
|
|
|
tokens[tokens.length - 1].raw += '\n'; |
|
} |
|
else { |
|
tokens.push(token); |
|
} |
|
continue; |
|
} |
|
|
|
if (token = this.tokenizer.code(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.text; |
|
this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text; |
|
} |
|
else { |
|
tokens.push(token); |
|
} |
|
continue; |
|
} |
|
|
|
if (token = this.tokenizer.fences(src)) { |
|
src = src.substring(token.raw.length); |
|
tokens.push(token); |
|
continue; |
|
} |
|
|
|
if (token = this.tokenizer.heading(src)) { |
|
src = src.substring(token.raw.length); |
|
tokens.push(token); |
|
continue; |
|
} |
|
|
|
if (token = this.tokenizer.hr(src)) { |
|
src = src.substring(token.raw.length); |
|
tokens.push(token); |
|
continue; |
|
} |
|
|
|
if (token = this.tokenizer.blockquote(src)) { |
|
src = src.substring(token.raw.length); |
|
tokens.push(token); |
|
continue; |
|
} |
|
|
|
if (token = this.tokenizer.list(src)) { |
|
src = src.substring(token.raw.length); |
|
tokens.push(token); |
|
continue; |
|
} |
|
|
|
if (token = this.tokenizer.html(src)) { |
|
src = src.substring(token.raw.length); |
|
tokens.push(token); |
|
continue; |
|
} |
|
|
|
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; |
|
} |
|
|
|
if (token = this.tokenizer.table(src)) { |
|
src = src.substring(token.raw.length); |
|
tokens.push(token); |
|
continue; |
|
} |
|
|
|
if (token = this.tokenizer.lheading(src)) { |
|
src = src.substring(token.raw.length); |
|
tokens.push(token); |
|
continue; |
|
} |
|
|
|
|
|
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; |
|
} |
|
|
|
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; |
|
} |
|
|
|
|
|
|
|
inlineTokens(src, tokens = []) { |
|
let token, lastToken, cutSrc; |
|
|
|
let maskedSrc = src; |
|
let match; |
|
let keepPrevChar, prevChar; |
|
|
|
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); |
|
} |
|
} |
|
} |
|
} |
|
|
|
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); |
|
} |
|
|
|
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; |
|
|
|
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; |
|
} |
|
|
|
if (token = this.tokenizer.escape(src)) { |
|
src = src.substring(token.raw.length); |
|
tokens.push(token); |
|
continue; |
|
} |
|
|
|
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; |
|
} |
|
|
|
if (token = this.tokenizer.link(src)) { |
|
src = src.substring(token.raw.length); |
|
tokens.push(token); |
|
continue; |
|
} |
|
|
|
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; |
|
} |
|
|
|
if (token = this.tokenizer.emStrong(src, maskedSrc, prevChar)) { |
|
src = src.substring(token.raw.length); |
|
tokens.push(token); |
|
continue; |
|
} |
|
|
|
if (token = this.tokenizer.codespan(src)) { |
|
src = src.substring(token.raw.length); |
|
tokens.push(token); |
|
continue; |
|
} |
|
|
|
if (token = this.tokenizer.br(src)) { |
|
src = src.substring(token.raw.length); |
|
tokens.push(token); |
|
continue; |
|
} |
|
|
|
if (token = this.tokenizer.del(src)) { |
|
src = src.substring(token.raw.length); |
|
tokens.push(token); |
|
continue; |
|
} |
|
|
|
if (token = this.tokenizer.autolink(src)) { |
|
src = src.substring(token.raw.length); |
|
tokens.push(token); |
|
continue; |
|
} |
|
|
|
if (!this.state.inLink && (token = this.tokenizer.url(src))) { |
|
src = src.substring(token.raw.length); |
|
tokens.push(token); |
|
continue; |
|
} |
|
|
|
|
|
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) !== '_') { |
|
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; |
|
} |
|
} |
|
|
|
|
|
|
|
|
|
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) { |
|
|
|
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 + `</${type}>\n`; |
|
} |
|
|
|
|
|
|
|
strong(text) { |
|
return `<strong>${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; |
|
} |
|
} |
|
|
|
|
|
|
|
|
|
|
|
class _TextRenderer { |
|
|
|
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 ''; |
|
} |
|
} |
|
|
|
|
|
|
|
|
|
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(tokens, options) { |
|
const parser = new _Parser(options); |
|
return parser.parse(tokens); |
|
} |
|
|
|
|
|
|
|
static parseInline(tokens, options) { |
|
const parser = new _Parser(options); |
|
return parser.parseInline(tokens); |
|
} |
|
|
|
|
|
|
|
parse(tokens, top = true) { |
|
let out = ''; |
|
for (let i = 0; i < tokens.length; i++) { |
|
const token = tokens[i]; |
|
|
|
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 = ''; |
|
|
|
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; |
|
} |
|
|
|
|
|
|
|
parseInline(tokens, renderer) { |
|
renderer = renderer || this.renderer; |
|
let out = ''; |
|
for (let i = 0; i < tokens.length; i++) { |
|
const token = tokens[i]; |
|
|
|
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; |
|
} |
|
} |
|
|
|
class _Hooks { |
|
options; |
|
constructor(options) { |
|
this.options = options || exports.defaults; |
|
} |
|
static passThroughHooks = new Set([ |
|
'preprocess', |
|
'postprocess' |
|
]); |
|
|
|
|
|
|
|
preprocess(markdown) { |
|
return markdown; |
|
} |
|
|
|
|
|
|
|
postprocess(html) { |
|
return html; |
|
} |
|
} |
|
|
|
class Marked { |
|
defaults = _getDefaults(); |
|
options = this.setOptions; |
|
parse = this.#parseMarkdown(_Lexer.lex, _Parser.parse); |
|
parseInline = this.#parseMarkdown(_Lexer.lexInline, _Parser.parseInline); |
|
Parser = _Parser; |
|
Renderer = _Renderer; |
|
TextRenderer = _TextRenderer; |
|
Lexer = _Lexer; |
|
Tokenizer = _Tokenizer; |
|
Hooks = _Hooks; |
|
constructor(...args) { |
|
this.use(...args); |
|
} |
|
|
|
|
|
|
|
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) => { |
|
|
|
const opts = { ...pack }; |
|
|
|
opts.async = this.defaults.async || opts.async || false; |
|
|
|
if (pack.extensions) { |
|
pack.extensions.forEach((ext) => { |
|
if (!ext.name) { |
|
throw new Error('extension name required'); |
|
} |
|
if ('renderer' in ext) { |
|
const prevRenderer = extensions.renderers[ext.name]; |
|
if (prevRenderer) { |
|
|
|
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) { |
|
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) { |
|
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) { |
|
extensions.childTokens[ext.name] = ext.childTokens; |
|
} |
|
}); |
|
opts.extensions = 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]; |
|
|
|
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]; |
|
|
|
tokenizer[tokenizerKey] = (...args) => { |
|
let ret = tokenizerFunc.apply(tokenizer, args); |
|
if (ret === false) { |
|
ret = prevTokenizer.apply(tokenizer, args); |
|
} |
|
return ret; |
|
}; |
|
} |
|
opts.tokenizer = tokenizer; |
|
} |
|
|
|
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; |
|
} |
|
|
|
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; |
|
} |
|
lexer(src, options) { |
|
return _Lexer.lex(src, options ?? this.defaults); |
|
} |
|
parser(tokens, options) { |
|
return _Parser.parse(tokens, options ?? this.defaults); |
|
} |
|
#parseMarkdown(lexer, parser) { |
|
return (src, options) => { |
|
const origOpt = { ...options }; |
|
const opt = { ...this.defaults, ...origOpt }; |
|
|
|
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); |
|
|
|
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; |
|
}; |
|
} |
|
} |
|
|
|
const markedInstance = new Marked(); |
|
function marked(src, opt) { |
|
return markedInstance.parse(src, opt); |
|
} |
|
|
|
|
|
|
|
|
|
|
|
marked.options = |
|
marked.setOptions = function (options) { |
|
markedInstance.setOptions(options); |
|
marked.defaults = markedInstance.defaults; |
|
changeDefaults(marked.defaults); |
|
return marked; |
|
}; |
|
|
|
|
|
|
|
marked.getDefaults = _getDefaults; |
|
marked.defaults = exports.defaults; |
|
|
|
|
|
|
|
marked.use = function (...args) { |
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markedInstance.use(...args); |
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marked.defaults = markedInstance.defaults; |
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changeDefaults(marked.defaults); |
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return marked; |
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}; |
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marked.walkTokens = function (tokens, callback) { |
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return markedInstance.walkTokens(tokens, callback); |
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}; |
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marked.parseInline = markedInstance.parseInline; |
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marked.Parser = _Parser; |
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marked.parser = _Parser.parse; |
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marked.Renderer = _Renderer; |
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marked.TextRenderer = _TextRenderer; |
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marked.Lexer = _Lexer; |
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marked.lexer = _Lexer.lex; |
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marked.Tokenizer = _Tokenizer; |
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marked.Hooks = _Hooks; |
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marked.parse = marked; |
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const options = marked.options; |
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const setOptions = marked.setOptions; |
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const use = marked.use; |
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const walkTokens = marked.walkTokens; |
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const parseInline = marked.parseInline; |
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const parse = marked; |
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const parser = _Parser.parse; |
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const lexer = _Lexer.lex; |
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exports.Hooks = _Hooks; |
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exports.Lexer = _Lexer; |
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exports.Marked = Marked; |
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exports.Parser = _Parser; |
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exports.Renderer = _Renderer; |
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exports.TextRenderer = _TextRenderer; |
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exports.Tokenizer = _Tokenizer; |
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exports.getDefaults = _getDefaults; |
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exports.lexer = lexer; |
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exports.marked = marked; |
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exports.options = options; |
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exports.parse = parse; |
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exports.parseInline = parseInline; |
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exports.parser = parser; |
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exports.setOptions = setOptions; |
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exports.use = use; |
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exports.walkTokens = walkTokens; |
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