/
marked.esm.js
1849 lines (1610 loc) · 46.9 KB
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marked.esm.js
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/**
* marked - a markdown parser
* Copyright (c) 2011-2020, 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 createCommonjsModule(fn, module) {
return module = { exports: {} }, fn(module, module.exports), module.exports;
}
var defaults = createCommonjsModule(function (module) {
function getDefaults() {
return {
baseUrl: null,
breaks: false,
gfm: true,
headerIds: true,
headerPrefix: '',
highlight: null,
langPrefix: 'language-',
mangle: true,
pedantic: false,
renderer: null,
sanitize: false,
sanitizer: null,
silent: false,
smartLists: false,
smartypants: false,
xhtml: false
};
}
function changeDefaults(newDefaults) {
module.exports.defaults = newDefaults;
}
module.exports = {
defaults: getDefaults(),
getDefaults,
changeDefaults
};
});
var defaults_1 = defaults.defaults;
var defaults_2 = defaults.getDefaults;
var defaults_3 = defaults.changeDefaults;
/**
* Helpers
*/
const escapeTest = /[&<>"']/;
const escapeReplace = /[&<>"']/g;
const escapeTestNoEncode = /[<>"']|&(?!#?\w+;)/;
const escapeReplaceNoEncode = /[<>"']|&(?!#?\w+;)/g;
const escapeReplacements = {
'&': '&',
'<': '<',
'>': '>',
'"': '"',
"'": '''
};
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;
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;
function edit(regex, opt) {
regex = regex.source || regex;
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;
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]*$/;
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, '$1') + href;
} else {
return base + href;
}
}
const noopTest = { exec: function noopTest() {} };
function merge(obj) {
let i = 1,
target,
key;
for (; i < arguments.length; i++) {
target = arguments[i];
for (key in target) {
if (Object.prototype.hasOwnProperty.call(target, key)) {
obj[key] = target[key];
}
}
}
return obj;
}
function splitCells(tableRow, count) {
// ensure that every cell-delimiting pipe has a space
// before it to distinguish it from an escaped pipe
const row = tableRow.replace(/\|/g, (match, offset, str) => {
let escaped = false,
curr = offset;
while (--curr >= 0 && str[curr] === '\\') escaped = !escaped;
if (escaped) {
// odd number of slashes means | is escaped
// so we leave it alone
return '|';
} else {
// add space before unescaped |
return ' |';
}
}),
cells = row.split(/ \|/);
let i = 0;
if (cells.length > count) {
cells.splice(count);
} else {
while (cells.length < count) cells.push('');
}
for (; i < cells.length; i++) {
// leading or trailing whitespace is ignored per the gfm spec
cells[i] = cells[i].trim().replace(/\\\|/g, '|');
}
return cells;
}
// Remove trailing 'c's. Equivalent to str.replace(/c*$/, '').
// /c*$/ is vulnerable to REDOS.
// invert: Remove suffix of non-c chars instead. Default falsey.
function rtrim(str, c, invert) {
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.substr(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');
}
}
var helpers = {
escape,
unescape,
edit,
cleanUrl,
resolveUrl,
noopTest,
merge,
splitCells,
rtrim,
findClosingBracket,
checkSanitizeDeprecation
};
const {
noopTest: noopTest$1,
edit: edit$1,
merge: merge$1
} = helpers;
/**
* Block-Level Grammar
*/
const block = {
newline: /^\n+/,
code: /^( {4}[^\n]+\n*)+/,
fences: /^ {0,3}(`{3,}(?=[^`\n]*\n)|~{3,})([^\n]*)\n(?:|([\s\S]*?)\n)(?: {0,3}\1[~`]* *(?:\n+|$)|$)/,
hr: /^ {0,3}((?:- *){3,}|(?:_ *){3,}|(?:\* *){3,})(?:\n+|$)/,
heading: /^ {0,3}(#{1,6}) +([^\n]*?)(?: +#+)? *(?:\n+|$)/,
blockquote: /^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/,
list: /^( {0,3})(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,
html: '^ {0,3}(?:' // optional indentation
+ '<(script|pre|style)[\\s>][\\s\\S]*?(?:</\\1>[^\\n]*\\n+|$)' // (1)
+ '|comment[^\\n]*(\\n+|$)' // (2)
+ '|<\\?[\\s\\S]*?\\?>\\n*' // (3)
+ '|<![A-Z][\\s\\S]*?>\\n*' // (4)
+ '|<!\\[CDATA\\[[\\s\\S]*?\\]\\]>\\n*' // (5)
+ '|</?(tag)(?: +|\\n|/?>)[\\s\\S]*?(?:\\n{2,}|$)' // (6)
+ '|<(?!script|pre|style)([a-z][\\w-]*)(?:attribute)*? */?>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:\\n{2,}|$)' // (7) open tag
+ '|</(?!script|pre|style)[a-z][\\w-]*\\s*>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:\\n{2,}|$)' // (7) closing tag
+ ')',
def: /^ {0,3}\[(label)\]: *\n? *<?([^\s>]+)>?(?:(?: +\n? *| *\n *)(title))? *(?:\n+|$)/,
nptable: noopTest$1,
table: noopTest$1,
lheading: /^([^\n]+)\n {0,3}(=+|-+) *(?:\n+|$)/,
// regex template, placeholders will be replaced according to different paragraph
// interruption rules of commonmark and the original markdown spec:
_paragraph: /^([^\n]+(?:\n(?!hr|heading|lheading|blockquote|fences|list|html)[^\n]+)*)/,
text: /^[^\n]+/
};
block._label = /(?!\s*\])(?:\\[\[\]]|[^\[\]])+/;
block._title = /(?:"(?:\\"?|[^"\\])*"|'[^'\n]*(?:\n[^'\n]+)*\n?'|\([^()]*\))/;
block.def = edit$1(block.def)
.replace('label', block._label)
.replace('title', block._title)
.getRegex();
block.bullet = /(?:[*+-]|\d{1,9}\.)/;
block.item = /^( *)(bull) ?[^\n]*(?:\n(?!\1bull ?)[^\n]*)*/;
block.item = edit$1(block.item, 'gm')
.replace(/bull/g, block.bullet)
.getRegex();
block.list = edit$1(block.list)
.replace(/bull/g, block.bullet)
.replace('hr', '\\n+(?=\\1?(?:(?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$))')
.replace('def', '\\n+(?=' + block.def.source + ')')
.getRegex();
block._tag = 'address|article|aside|base|basefont|blockquote|body|caption'
+ '|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption'
+ '|figure|footer|form|frame|frameset|h[1-6]|head|header|hr|html|iframe'
+ '|legend|li|link|main|menu|menuitem|meta|nav|noframes|ol|optgroup|option'
+ '|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr'
+ '|track|ul';
block._comment = /<!--(?!-?>)[\s\S]*?-->/;
block.html = edit$1(block.html, 'i')
.replace('comment', block._comment)
.replace('tag', block._tag)
.replace('attribute', / +[a-zA-Z:_][\w.:-]*(?: *= *"[^"\n]*"| *= *'[^'\n]*'| *= *[^\s"'=<>`]+)?/)
.getRegex();
block.paragraph = edit$1(block._paragraph)
.replace('hr', block.hr)
.replace('heading', ' {0,3}#{1,6} ')
.replace('|lheading', '') // setex headings don't interrupt commonmark paragraphs
.replace('blockquote', ' {0,3}>')
.replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n')
.replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
.replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|!--)')
.replace('tag', block._tag) // pars can be interrupted by type (6) html blocks
.getRegex();
block.blockquote = edit$1(block.blockquote)
.replace('paragraph', block.paragraph)
.getRegex();
/**
* Normal Block Grammar
*/
block.normal = merge$1({}, block);
/**
* GFM Block Grammar
*/
block.gfm = merge$1({}, block.normal, {
nptable: '^ *([^|\\n ].*\\|.*)\\n' // Header
+ ' *([-:]+ *\\|[-| :]*)' // Align
+ '(?:\\n((?:(?!\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)', // Cells
table: '^ *\\|(.+)\\n' // Header
+ ' *\\|?( *[-:]+[-| :]*)' // Align
+ '(?:\\n *((?:(?!\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)' // Cells
});
block.gfm.nptable = edit$1(block.gfm.nptable)
.replace('hr', block.hr)
.replace('heading', ' {0,3}#{1,6} ')
.replace('blockquote', ' {0,3}>')
.replace('code', ' {4}[^\\n]')
.replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n')
.replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
.replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|!--)')
.replace('tag', block._tag) // tables can be interrupted by type (6) html blocks
.getRegex();
block.gfm.table = edit$1(block.gfm.table)
.replace('hr', block.hr)
.replace('heading', ' {0,3}#{1,6} ')
.replace('blockquote', ' {0,3}>')
.replace('code', ' {4}[^\\n]')
.replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n')
.replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
.replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|!--)')
.replace('tag', block._tag) // tables can be interrupted by type (6) html blocks
.getRegex();
/**
* Pedantic grammar (original John Gruber's loose markdown specification)
*/
block.pedantic = merge$1({}, block.normal, {
html: edit$1(
'^ *(?:comment *(?:\\n|\\s*$)'
+ '|<(tag)[\\s\\S]+?</\\1> *(?:\\n{2,}|\\s*$)' // closed tag
+ '|<tag(?:"[^"]*"|\'[^\']*\'|\\s[^\'"/>\\s]*)*?/?> *(?:\\n{2,}|\\s*$))')
.replace('comment', block._comment)
.replace(/tag/g, '(?!(?:'
+ 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code|var|samp|kbd|sub'
+ '|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo|span|br|wbr|ins|del|img)'
+ '\\b)\\w+(?!:|[^\\w\\s@]*@)\\b')
.getRegex(),
def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +(["(][^\n]+[")]))? *(?:\n+|$)/,
heading: /^ *(#{1,6}) *([^\n]+?) *(?:#+ *)?(?:\n+|$)/,
fences: noopTest$1, // fences not supported
paragraph: edit$1(block.normal._paragraph)
.replace('hr', block.hr)
.replace('heading', ' *#{1,6} *[^\n]')
.replace('lheading', block.lheading)
.replace('blockquote', ' {0,3}>')
.replace('|fences', '')
.replace('|list', '')
.replace('|html', '')
.getRegex()
});
/**
* Inline-Level Grammar
*/
const inline = {
escape: /^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/,
autolink: /^<(scheme:[^\s\x00-\x1f<>]*|email)>/,
url: noopTest$1,
tag: '^comment'
+ '|^</[a-zA-Z][\\w:-]*\\s*>' // self-closing tag
+ '|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>' // open tag
+ '|^<\\?[\\s\\S]*?\\?>' // processing instruction, e.g. <?php ?>
+ '|^<![a-zA-Z]+\\s[\\s\\S]*?>' // declaration, e.g. <!DOCTYPE html>
+ '|^<!\\[CDATA\\[[\\s\\S]*?\\]\\]>', // CDATA section
link: /^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/,
reflink: /^!?\[(label)\]\[(?!\s*\])((?:\\[\[\]]?|[^\[\]\\])+)\]/,
nolink: /^!?\[(?!\s*\])((?:\[[^\[\]]*\]|\\[\[\]]|[^\[\]])*)\](?:\[\])?/,
strong: /^__([^\s_])__(?!_)|^\*\*([^\s*])\*\*(?!\*)|^__([^\s][\s\S]*?[^\s])__(?!_)|^\*\*([^\s][\s\S]*?[^\s])\*\*(?!\*)/,
em: /^_([^\s_])_(?!_)|^\*([^\s*<\[])\*(?!\*)|^_([^\s<][\s\S]*?[^\s_])_(?!_|[^\spunctuation])|^_([^\s_<][\s\S]*?[^\s])_(?!_|[^\spunctuation])|^\*([^\s<"][\s\S]*?[^\s\*])\*(?!\*|[^\spunctuation])|^\*([^\s*"<\[][\s\S]*?[^\s])\*(?!\*)/,
code: /^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/,
br: /^( {2,}|\\)\n(?!\s*$)/,
del: noopTest$1,
text: /^(`+|[^`])(?:[\s\S]*?(?:(?=[\\<!\[`*]|\b_|$)|[^ ](?= {2,}\n))|(?= {2,}\n))/
};
// list of punctuation marks from common mark spec
// without ` and ] to workaround Rule 17 (inline code blocks/links)
inline._punctuation = '!"#$%&\'()*+,\\-./:;<=>?@\\[^_{|}~';
inline.em = edit$1(inline.em).replace(/punctuation/g, inline._punctuation).getRegex();
inline._escapes = /\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/g;
inline._scheme = /[a-zA-Z][a-zA-Z0-9+.-]{1,31}/;
inline._email = /[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/;
inline.autolink = edit$1(inline.autolink)
.replace('scheme', inline._scheme)
.replace('email', inline._email)
.getRegex();
inline._attribute = /\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/;
inline.tag = edit$1(inline.tag)
.replace('comment', block._comment)
.replace('attribute', inline._attribute)
.getRegex();
inline._label = /(?:\[[^\[\]]*\]|\\.|`[^`]*`|[^\[\]\\`])*?/;
inline._href = /<(?:\\[<>]?|[^\s<>\\])*>|[^\s\x00-\x1f]*/;
inline._title = /"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/;
inline.link = edit$1(inline.link)
.replace('label', inline._label)
.replace('href', inline._href)
.replace('title', inline._title)
.getRegex();
inline.reflink = edit$1(inline.reflink)
.replace('label', inline._label)
.getRegex();
/**
* Normal Inline Grammar
*/
inline.normal = merge$1({}, inline);
/**
* Pedantic Inline Grammar
*/
inline.pedantic = merge$1({}, inline.normal, {
strong: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,
em: /^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/,
link: edit$1(/^!?\[(label)\]\((.*?)\)/)
.replace('label', inline._label)
.getRegex(),
reflink: edit$1(/^!?\[(label)\]\s*\[([^\]]*)\]/)
.replace('label', inline._label)
.getRegex()
});
/**
* GFM Inline Grammar
*/
inline.gfm = merge$1({}, inline.normal, {
escape: edit$1(inline.escape).replace('])', '~|])').getRegex(),
_extended_email: /[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/,
url: /^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/,
_backpedal: /(?:[^?!.,:;*_~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_~)]+(?!$))+/,
del: /^~+(?=\S)([\s\S]*?\S)~+/,
text: /^(`+|[^`])(?:[\s\S]*?(?:(?=[\\<!\[`*~]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))|(?= {2,}\n|[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))/
});
inline.gfm.url = edit$1(inline.gfm.url, 'i')
.replace('email', inline.gfm._extended_email)
.getRegex();
/**
* GFM + Line Breaks Inline Grammar
*/
inline.breaks = merge$1({}, inline.gfm, {
br: edit$1(inline.br).replace('{2,}', '*').getRegex(),
text: edit$1(inline.gfm.text)
.replace('\\b_', '\\b_| {2,}\\n')
.replace(/\{2,\}/g, '*')
.getRegex()
});
var rules = {
block,
inline
};
const { defaults: defaults$1 } = defaults;
const { block: block$1 } = rules;
const {
rtrim: rtrim$1,
splitCells: splitCells$1,
escape: escape$1
} = helpers;
/**
* Block Lexer
*/
var Lexer_1 = class Lexer {
constructor(options) {
this.tokens = [];
this.tokens.links = Object.create(null);
this.options = options || defaults$1;
this.rules = block$1.normal;
if (this.options.pedantic) {
this.rules = block$1.pedantic;
} else if (this.options.gfm) {
this.rules = block$1.gfm;
}
}
/**
* Expose Block Rules
*/
static get rules() {
return block$1;
}
/**
* Static Lex Method
*/
static lex(src, options) {
const lexer = new Lexer(options);
return lexer.lex(src);
};
/**
* Preprocessing
*/
lex(src) {
src = src
.replace(/\r\n|\r/g, '\n')
.replace(/\t/g, ' ');
return this.token(src, true);
};
/**
* Lexing
*/
token(src, top) {
src = src.replace(/^ +$/gm, '');
let next,
loose,
cap,
bull,
b,
item,
listStart,
listItems,
t,
space,
i,
tag,
l,
isordered,
istask,
ischecked;
while (src) {
// newline
if (cap = this.rules.newline.exec(src)) {
src = src.substring(cap[0].length);
if (cap[0].length > 1) {
this.tokens.push({
type: 'space'
});
}
}
// code
if (cap = this.rules.code.exec(src)) {
const lastToken = this.tokens[this.tokens.length - 1];
src = src.substring(cap[0].length);
// An indented code block cannot interrupt a paragraph.
if (lastToken && lastToken.type === 'paragraph') {
lastToken.text += '\n' + cap[0].trimRight();
} else {
cap = cap[0].replace(/^ {4}/gm, '');
this.tokens.push({
type: 'code',
codeBlockStyle: 'indented',
text: !this.options.pedantic
? rtrim$1(cap, '\n')
: cap
});
}
continue;
}
// fences
if (cap = this.rules.fences.exec(src)) {
src = src.substring(cap[0].length);
this.tokens.push({
type: 'code',
lang: cap[2] ? cap[2].trim() : cap[2],
text: cap[3] || ''
});
continue;
}
// heading
if (cap = this.rules.heading.exec(src)) {
src = src.substring(cap[0].length);
this.tokens.push({
type: 'heading',
depth: cap[1].length,
text: cap[2]
});
continue;
}
// table no leading pipe (gfm)
if (cap = this.rules.nptable.exec(src)) {
item = {
type: 'table',
header: splitCells$1(cap[1].replace(/^ *| *\| *$/g, '')),
align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
cells: cap[3] ? cap[3].replace(/\n$/, '').split('\n') : []
};
if (item.header.length === item.align.length) {
src = src.substring(cap[0].length);
for (i = 0; i < item.align.length; i++) {
if (/^ *-+: *$/.test(item.align[i])) {
item.align[i] = 'right';
} else if (/^ *:-+: *$/.test(item.align[i])) {
item.align[i] = 'center';
} else if (/^ *:-+ *$/.test(item.align[i])) {
item.align[i] = 'left';
} else {
item.align[i] = null;
}
}
for (i = 0; i < item.cells.length; i++) {
item.cells[i] = splitCells$1(item.cells[i], item.header.length);
}
this.tokens.push(item);
continue;
}
}
// hr
if (cap = this.rules.hr.exec(src)) {
src = src.substring(cap[0].length);
this.tokens.push({
type: 'hr'
});
continue;
}
// blockquote
if (cap = this.rules.blockquote.exec(src)) {
src = src.substring(cap[0].length);
this.tokens.push({
type: 'blockquote_start'
});
cap = cap[0].replace(/^ *> ?/gm, '');
// Pass `top` to keep the current
// "toplevel" state. This is exactly
// how markdown.pl works.
this.token(cap, top);
this.tokens.push({
type: 'blockquote_end'
});
continue;
}
// list
if (cap = this.rules.list.exec(src)) {
src = src.substring(cap[0].length);
bull = cap[2];
isordered = bull.length > 1;
listStart = {
type: 'list_start',
ordered: isordered,
start: isordered ? +bull : '',
loose: false
};
this.tokens.push(listStart);
// Get each top-level item.
cap = cap[0].match(this.rules.item);
listItems = [];
next = false;
l = cap.length;
i = 0;
for (; i < l; i++) {
item = cap[i];
// Remove the list item's bullet
// so it is seen as the next token.
space = item.length;
item = item.replace(/^ *([*+-]|\d+\.) */, '');
// Outdent whatever the
// list item contains. Hacky.
if (~item.indexOf('\n ')) {
space -= item.length;
item = !this.options.pedantic
? item.replace(new RegExp('^ {1,' + space + '}', 'gm'), '')
: item.replace(/^ {1,4}/gm, '');
}
// Determine whether the next list item belongs here.
// Backpedal if it does not belong in this list.
if (i !== l - 1) {
b = block$1.bullet.exec(cap[i + 1])[0];
if (bull.length > 1 ? b.length === 1
: (b.length > 1 || (this.options.smartLists && b !== bull))) {
src = cap.slice(i + 1).join('\n') + src;
i = l - 1;
}
}
// Determine whether item is loose or not.
// Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/
// for discount behavior.
loose = next || /\n\n(?!\s*$)/.test(item);
if (i !== l - 1) {
next = item.charAt(item.length - 1) === '\n';
if (!loose) loose = next;
}
if (loose) {
listStart.loose = true;
}
// Check for task list items
istask = /^\[[ xX]\] /.test(item);
ischecked = undefined;
if (istask) {
ischecked = item[1] !== ' ';
item = item.replace(/^\[[ xX]\] +/, '');
}
t = {
type: 'list_item_start',
task: istask,
checked: ischecked,
loose: loose
};
listItems.push(t);
this.tokens.push(t);
// Recurse.
this.token(item, false);
this.tokens.push({
type: 'list_item_end'
});
}
if (listStart.loose) {
l = listItems.length;
i = 0;
for (; i < l; i++) {
listItems[i].loose = true;
}
}
this.tokens.push({
type: 'list_end'
});
continue;
}
// html
if (cap = this.rules.html.exec(src)) {
src = src.substring(cap[0].length);
this.tokens.push({
type: this.options.sanitize
? 'paragraph'
: 'html',
pre: !this.options.sanitizer
&& (cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style'),
text: this.options.sanitize ? (this.options.sanitizer ? this.options.sanitizer(cap[0]) : escape$1(cap[0])) : cap[0]
});
continue;
}
// def
if (top && (cap = this.rules.def.exec(src))) {
src = src.substring(cap[0].length);
if (cap[3]) cap[3] = cap[3].substring(1, cap[3].length - 1);
tag = cap[1].toLowerCase().replace(/\s+/g, ' ');
if (!this.tokens.links[tag]) {
this.tokens.links[tag] = {
href: cap[2],
title: cap[3]
};
}
continue;
}
// table (gfm)
if (cap = this.rules.table.exec(src)) {
item = {
type: 'table',
header: splitCells$1(cap[1].replace(/^ *| *\| *$/g, '')),
align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
cells: cap[3] ? cap[3].replace(/\n$/, '').split('\n') : []
};
if (item.header.length === item.align.length) {
src = src.substring(cap[0].length);
for (i = 0; i < item.align.length; i++) {
if (/^ *-+: *$/.test(item.align[i])) {
item.align[i] = 'right';
} else if (/^ *:-+: *$/.test(item.align[i])) {
item.align[i] = 'center';
} else if (/^ *:-+ *$/.test(item.align[i])) {
item.align[i] = 'left';
} else {
item.align[i] = null;
}
}
for (i = 0; i < item.cells.length; i++) {
item.cells[i] = splitCells$1(
item.cells[i].replace(/^ *\| *| *\| *$/g, ''),
item.header.length);
}
this.tokens.push(item);
continue;
}
}
// lheading
if (cap = this.rules.lheading.exec(src)) {
src = src.substring(cap[0].length);
this.tokens.push({
type: 'heading',
depth: cap[2].charAt(0) === '=' ? 1 : 2,
text: cap[1]
});
continue;
}
// top-level paragraph
if (top && (cap = this.rules.paragraph.exec(src))) {
src = src.substring(cap[0].length);
this.tokens.push({
type: 'paragraph',
text: cap[1].charAt(cap[1].length - 1) === '\n'
? cap[1].slice(0, -1)
: cap[1]
});
continue;
}
// text
if (cap = this.rules.text.exec(src)) {
// Top-level should never reach here.
src = src.substring(cap[0].length);
this.tokens.push({
type: 'text',
text: cap[0]
});
continue;
}
if (src) {
throw new Error('Infinite loop on byte: ' + src.charCodeAt(0));
}
}
return this.tokens;
};
};
const { defaults: defaults$2 } = defaults;
const {
cleanUrl: cleanUrl$1,
escape: escape$2
} = helpers;
/**
* Renderer
*/
var Renderer_1 = class Renderer {
constructor(options) {
this.options = options || defaults$2;
}
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;
}
}
if (!lang) {
return '<pre><code>'
+ (escaped ? code : escape$2(code, true))
+ '</code></pre>';
}
return '<pre><code class="'
+ this.options.langPrefix
+ escape$2(lang, true)
+ '">'
+ (escaped ? code : escape$2(code, true))