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JavaScript
/* eslint-disable */
/**
* marked - a markdown parser
* Copyright (c) 2011-2018, Christopher Jeffrey. (MIT Licensed)
* https://github.com/markedjs/marked
* Modified for Docute, since commit marked#f93d858cb85c
*/
// @modified
import parseCodeOptions from './parseCodeOptions';
import removeMarkdownExtension from './removeMarkdownExtension';
/**
* Block-Level Grammar
*/
var block = {
newline: /^\n+/,
code: /^( {4}[^\n]+\n*)+/,
fences: noop,
hr: /^ {0,3}((?:- *){3,}|(?:_ *){3,}|(?:\* *){3,})(?:\n+|$)/,
heading: /^ *(#{1,6}) *([^\n]+?) *(?:#+ *)?(?:\n+|$)/,
nptable: noop,
blockquote: /^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/,
list: /^( *)(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,
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,}|$)' + // (6)
'|<(?!script|pre|style)([a-z][\\w-]*)(?:attribute)*? */?>(?=\\h*\\n)[\\s\\S]*?(?:\\n{2,}|$)' + // (7) open tag
'|</(?!script|pre|style)[a-z][\\w-]*\\s*>(?=\\h*\\n)[\\s\\S]*?(?:\\n{2,}|$)' + // (7) closing tag
')',
def: /^ {0,3}\[(label)\]: *\n? *<?([^\s>]+)>?(?:(?: +\n? *| *\n *)(title))? *(?:\n+|$)/,
table: noop,
lheading: /^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/,
paragraph: /^([^\n]+(?:\n(?!hr|heading|lheading| {0,3}>|<\/?(?:tag)(?: +|\n|\/?>)|<(?:script|pre|style|!--))[^\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+\.)/;
block.item = /^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/;
block.item = edit(block.item, 'gm').replace(/bull/g, block.bullet).getRegex();
block.list = edit(block.list).replace(/bull/g, block.bullet).replace('hr', '\\n+(?=\\1?(?:(?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$))').replace('def', '\\n+(?=' + block.def.source + ')').getRegex();
block._tag = 'address|article|aside|base|basefont|blockquote|body|caption' + '|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption' + '|figure|footer|form|frame|frameset|h[1-6]|head|header|hr|html|iframe' + '|legend|li|link|main|menu|menuitem|meta|nav|noframes|ol|optgroup|option' + '|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr' + '|track|ul';
block._comment = /<!--(?!-?>)[\s\S]*?-->/;
block.html = edit(block.html, 'i').replace('comment', block._comment).replace('tag', block._tag).replace('attribute', / +[a-zA-Z:_][\w.:-]*(?: *= *"[^"\n]*"| *= *'[^'\n]*'| *= *[^\s"'=<>`]+)?/).getRegex();
block.paragraph = edit(block.paragraph).replace('hr', block.hr).replace('heading', block.heading).replace('lheading', block.lheading).replace('tag', block._tag) // pars can be interrupted by type (6) html blocks
.getRegex();
block.blockquote = edit(block.blockquote).replace('paragraph', block.paragraph).getRegex();
/**
* Normal Block Grammar
*/
block.normal = merge({}, block);
/**
* GFM Block Grammar
*/
block.gfm = merge({}, block.normal, {
// @modified
// Old fences regexp
// fences: /^ *(`{3,}|~{3,})[ \.]*(\S+)? *\n([\s\S]*?)\n? *\1 *(?:\n+|$)/,
// The new one allows ```lang {key: value} format code fences
fences: /^ *(`{3,}|~{3,})[ \.]*(\S+)? *({.+})?\n([\s\S]*?)\n? *\1 *(?:\n+|$)/,
paragraph: /^/,
heading: /^ *(#{1,6}) +([^\n]+?) *#* *(?:\n+|$)/
});
block.gfm.paragraph = edit(block.paragraph).replace('(?!', '(?!' + block.gfm.fences.source.replace('\\1', '\\2') + '|' + block.list.source.replace('\\1', '\\3') + '|').getRegex();
/**
* GFM + Tables Block Grammar
*/
block.tables = merge({}, block.gfm, {
nptable: /^ *([^|\n ].*\|.*)\n *([-:]+ *\|[-| :]*)(?:\n((?:.*[^>\n ].*(?:\n|$))*)\n*|$)/,
table: /^ *\|(.+)\n *\|?( *[-:]+[-| :]*)(?:\n((?: *[^>\n ].*(?:\n|$))*)\n*|$)/
});
/**
* Pedantic grammar
*/
block.pedantic = merge({}, block.normal, {
html: edit('^ *(?:comment *(?:\\n|\\s*$)' + '|<(tag)[\\s\\S]+?</\\1> *(?:\\n{2,}|\\s*$)' + // closed tag
'|<tag(?:"[^"]*"|\'[^\']*\'|\\s[^\'"/>\\s]*)*?/?> *(?:\\n{2,}|\\s*$))').replace('comment', block._comment).replace(/tag/g, '(?!(?:' + 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code|var|samp|kbd|sub' + '|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo|span|br|wbr|ins|del|img)' + '\\b)\\w+(?!:|[^\\w\\s@]*@)\\b').getRegex(),
def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +(["(][^\n]+[")]))? *(?:\n+|$)/
});
/**
* Block Lexer
*/
function Lexer(options) {
this.tokens = [];
this.tokens.links = Object.create(null);
this.options = options || marked.defaults;
this.rules = block.normal;
if (this.options.pedantic) {
this.rules = block.pedantic;
} else if (this.options.gfm) {
if (this.options.tables) {
this.rules = block.tables;
} else {
this.rules = block.gfm;
}
}
}
/**
* Expose Block Rules
*/
Lexer.rules = block;
/**
* Static Lex Method
*/
Lexer.lex = function (src, options) {
var lexer = new Lexer(options);
return lexer.lex(src);
};
/**
* Preprocessing
*/
Lexer.prototype.lex = function (src) {
src = src.replace(/\r\n|\r/g, '\n').replace(/\t/g, ' ').replace(/\u00a0/g, ' ').replace(/\u2424/g, '\n');
return this.token(src, true);
};
/**
* Lexing
*/
Lexer.prototype.token = function (src, top) {
src = src.replace(/^ +$/gm, '');
var 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)) {
src = src.substring(cap[0].length);
cap = cap[0].replace(/^ {4}/gm, '');
this.tokens.push({
type: 'code',
text: !this.options.pedantic ? rtrim(cap, '\n') : cap
});
continue;
} // @modified
// fences (gfm)
if (cap = this.rules.fences.exec(src)) {
src = src.substring(cap[0].length);
this.tokens.push({
type: 'code',
lang: cap[2],
text: cap[4] || '',
opts: parseCodeOptions(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 (top && (cap = this.rules.nptable.exec(src))) {
item = {
type: 'table',
header: splitCells(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(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 (this.options.smartLists && i !== l - 1) {
b = block.bullet.exec(cap[i + 1])[0];
if (bull !== b && !(bull.length > 1 && b.length > 1)) {
src = cap.slice(i + 1).join('\n') + src;
i = l - 1;
}
} // 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: 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 (top && (cap = this.rules.table.exec(src))) {
item = {
type: 'table',
header: splitCells(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(item.cells[i].replace(/^ *\| *| *\| *$/g, ''), item.header.length);
}
this.tokens.push(item);
continue;
}
} // lheading
if (cap = this.rules.lheading.exec(src)) {
src = src.substring(cap[0].length);
this.tokens.push({
type: 'heading',
depth: cap[2] === '=' ? 1 : 2,
text: cap[1]
});
continue;
} // top-level paragraph
if (top && (cap = this.rules.paragraph.exec(src))) {
src = src.substring(cap[0].length);
this.tokens.push({
type: 'paragraph',
text: cap[1].charAt(cap[1].length - 1) === '\n' ? cap[1].slice(0, -1) : cap[1]
});
continue;
} // text
if (cap = this.rules.text.exec(src)) {
// Top-level should never reach here.
src = src.substring(cap[0].length);
this.tokens.push({
type: 'text',
text: cap[0]
});
continue;
}
if (src) {
throw new Error('Infinite loop on byte: ' + src.charCodeAt(0));
}
}
return this.tokens;
};
/**
* Inline-Level Grammar
*/
var inline = {
escape: /^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/,
autolink: /^<(scheme:[^\s\x00-\x1f<>]*|email)>/,
url: noop,
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: /^!?\[(label)\]\(href(?:\s+(title))?\s*\)/,
reflink: /^!?\[(label)\]\[(?!\s*\])((?:\\[\[\]]?|[^\[\]\\])+)\]/,
nolink: /^!?\[(?!\s*\])((?:\[[^\[\]]*\]|\\[\[\]]|[^\[\]])*)\](?:\[\])?/,
strong: /^__([^\s])__(?!_)|^\*\*([^\s])\*\*(?!\*)|^__([^\s][\s\S]*?[^\s])__(?!_)|^\*\*([^\s][\s\S]*?[^\s])\*\*(?!\*)/,
em: /^_([^\s_])_(?!_)|^\*([^\s*"<\[])\*(?!\*)|^_([^\s][\s\S]*?[^\s_])_(?!_)|^_([^\s_][\s\S]*?[^\s])_(?!_)|^\*([^\s"<\[][\s\S]*?[^\s*])\*(?!\*)|^\*([^\s*"<\[][\s\S]*?[^\s])\*(?!\*)/,
code: /^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/,
br: /^( {2,}|\\)\n(?!\s*$)/,
del: noop,
text: /^(`+|[^`])[\s\S]*?(?=[\\<!\[`*]|\b_| {2,}\n|$)/
};
inline._escapes = /\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/g;
inline._scheme = /[a-zA-Z][a-zA-Z0-9+.-]{1,31}/;
inline._email = /[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/;
inline.autolink = edit(inline.autolink).replace('scheme', inline._scheme).replace('email', inline._email).getRegex(); // @modified
// old
// inline._attribute = /\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/
// new for support `@` attribute names
inline._attribute = /\s+[a-zA-Z@:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/;
inline.tag = edit(inline.tag).replace('comment', block._comment).replace('attribute', inline._attribute).getRegex();
inline._label = /(?:\[[^\[\]]*\]|\\[\[\]]?|`[^`]*`|[^\[\]\\])*?/;
inline._href = /\s*(<(?:\\[<>]?|[^\s<>\\])*>|(?:\\[()]?|\([^\s\x00-\x1f\\]*\)|[^\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).getRegex();
/**
* Normal Inline Grammar
*/
inline.normal = merge({}, inline);
/**
* Pedantic Inline Grammar
*/
inline.pedantic = merge({}, inline.normal, {
strong: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,
em: /^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/,
link: edit(/^!?\[(label)\]\((.*?)\)/).replace('label', inline._label).getRegex(),
reflink: edit(/^!?\[(label)\]\s*\[([^\]]*)\]/).replace('label', inline._label).getRegex()
});
/**
* GFM Inline Grammar
*/
inline.gfm = merge({}, inline.normal, {
escape: edit(inline.escape).replace('])', '~|])').getRegex(),
_extended_email: /[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/,
url: /^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/,
_backpedal: /(?:[^?!.,:;*_~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_~)]+(?!$))+/,
del: /^~+(?=\S)([\s\S]*?\S)~+/,
text: edit(inline.text).replace(']|', '~]|').replace('|$', "|https?://|ftp://|www\\.|[a-zA-Z0-9.!#$%&'*+/=?^_`{\\|}~-]+@|$").getRegex()
});
inline.gfm.url = edit(inline.gfm.url).replace('email', inline.gfm._extended_email).getRegex();
/**
* GFM + Line Breaks Inline Grammar
*/
inline.breaks = merge({}, inline.gfm, {
br: edit(inline.br).replace('{2,}', '*').getRegex(),
text: edit(inline.gfm.text).replace('{2,}', '*').getRegex()
});
/**
* Inline Lexer & Compiler
*/
function InlineLexer(links, options) {
this.options = options || marked.defaults;
this.links = links;
this.rules = inline.normal;
this.renderer = this.options.renderer || new Renderer();
this.renderer.options = this.options;
if (!this.links) {
throw new Error('Tokens array requires a `links` property.');
}
if (this.options.pedantic) {
this.rules = inline.pedantic;
} else if (this.options.gfm) {
if (this.options.breaks) {
this.rules = inline.breaks;
} else {
this.rules = inline.gfm;
}
}
}
/**
* Expose Inline Rules
*/
InlineLexer.rules = inline;
/**
* Static Lexing/Compiling Method
*/
InlineLexer.output = function (src, links, options) {
var inline = new InlineLexer(links, options);
return inline.output(src);
};
/**
* Lexing/Compiling
*/
InlineLexer.prototype.output = function (src) {
var out = '',
link,
text,
href,
title,
cap,
prevCapZero;
while (src) {
// escape
if (cap = this.rules.escape.exec(src)) {
src = src.substring(cap[0].length);
out += cap[1];
continue;
} // autolink
if (cap = this.rules.autolink.exec(src)) {
src = src.substring(cap[0].length);
if (cap[2] === '@') {
text = escape(this.mangle(cap[1]));
href = 'mailto:' + text;
} else {
text = escape(cap[1]);
href = text;
}
out += this.renderer.link(href, null, text);
continue;
} // url (gfm)
if (!this.inLink && (cap = this.rules.url.exec(src))) {
if (cap[2] === '@') {
text = escape(cap[0]);
href = 'mailto:' + text;
} else {
// do extended autolink path validation
do {
prevCapZero = cap[0];
cap[0] = this.rules._backpedal.exec(cap[0])[0];
} while (prevCapZero !== cap[0]);
text = escape(cap[0]);
if (cap[1] === 'www.') {
href = 'http://' + text;
} else {
href = text;
}
}
src = src.substring(cap[0].length);
out += this.renderer.link(href, null, text);
continue;
} // tag
if (cap = this.rules.tag.exec(src)) {
if (!this.inLink && /^<a /i.test(cap[0])) {
this.inLink = true;
} else if (this.inLink && /^<\/a>/i.test(cap[0])) {
this.inLink = false;
}
if (!this.inRawBlock && /^<(pre|code|kbd|script)(\s|>)/i.test(cap[0])) {
this.inRawBlock = true;
} else if (this.inRawBlock && /^<\/(pre|code|kbd|script)(\s|>)/i.test(cap[0])) {
this.inRawBlock = false;
}
src = src.substring(cap[0].length);
out += this.options.sanitize ? this.options.sanitizer ? this.options.sanitizer(cap[0]) : escape(cap[0]) : cap[0];
continue;
} // link
if (cap = this.rules.link.exec(src)) {
src = src.substring(cap[0].length);
this.inLink = true;
href = cap[2];
if (this.options.pedantic) {
link = /^([^'"]*[^\s])\s+(['"])(.*)\2/.exec(href);
if (link) {
href = link[1];
title = link[3];
} else {
title = '';
}
} else {
title = cap[3] ? cap[3].slice(1, -1) : '';
}
href = href.trim().replace(/^<([\s\S]*)>$/, '$1');
out += this.outputLink(cap, {
href: InlineLexer.escapes(href),
title: InlineLexer.escapes(title)
});
this.inLink = false;
continue;
} // reflink, nolink
if ((cap = this.rules.reflink.exec(src)) || (cap = this.rules.nolink.exec(src))) {
src = src.substring(cap[0].length);
link = (cap[2] || cap[1]).replace(/\s+/g, ' ');
link = this.links[link.toLowerCase()];
if (!link || !link.href) {
out += cap[0].charAt(0);
src = cap[0].substring(1) + src;
continue;
}
this.inLink = true;
out += this.outputLink(cap, link);
this.inLink = false;
continue;
} // strong
if (cap = this.rules.strong.exec(src)) {
src = src.substring(cap[0].length);
out += this.renderer.strong(this.output(cap[4] || cap[3] || cap[2] || cap[1]));
continue;
} // em
if (cap = this.rules.em.exec(src)) {
src = src.substring(cap[0].length);
out += this.renderer.em(this.output(cap[6] || cap[5] || cap[4] || cap[3] || cap[2] || cap[1]));
continue;
} // code
if (cap = this.rules.code.exec(src)) {
src = src.substring(cap[0].length);
out += this.renderer.codespan(escape(cap[2].trim(), true));
continue;
} // br
if (cap = this.rules.br.exec(src)) {
src = src.substring(cap[0].length);
out += this.renderer.br();
continue;
} // del (gfm)
if (cap = this.rules.del.exec(src)) {
src = src.substring(cap[0].length);
out += this.renderer.del(this.output(cap[1]));
continue;
} // text
if (cap = this.rules.text.exec(src)) {
src = src.substring(cap[0].length);
if (this.inRawBlock) {
out += this.renderer.text(cap[0]);
} else {
out += this.renderer.text(escape(this.smartypants(cap[0])));
}
continue;
}
if (src) {
throw new Error('Infinite loop on byte: ' + src.charCodeAt(0));
}
}
return out;
};
InlineLexer.escapes = function (text) {
return text ? text.replace(InlineLexer.rules._escapes, '$1') : text;
};
/**
* Compile Link
*/
InlineLexer.prototype.outputLink = function (cap, link) {
var href = link.href,
title = link.title ? escape(link.title) : null;
return cap[0].charAt(0) !== '!' ? this.renderer.link(href, title, this.output(cap[1])) : this.renderer.image(href, title, escape(cap[1]));
};
/**
* Smartypants Transformations
*/
InlineLexer.prototype.smartypants = function (text) {
if (!this.options.smartypants) return text;
return text // em-dashes
.replace(/---/g, "\u2014") // en-dashes
.replace(/--/g, "\u2013") // opening singles
.replace(/(^|[-\u2014/(\[{"\s])'/g, "$1\u2018") // closing singles & apostrophes
.replace(/'/g, "\u2019") // opening doubles
.replace(/(^|[-\u2014/(\[{\u2018\s])"/g, "$1\u201C") // closing doubles
.replace(/"/g, "\u201D") // ellipses
.replace(/\.{3}/g, "\u2026");
};
/**
* Mangle Links
*/
InlineLexer.prototype.mangle = function (text) {
if (!this.options.mangle) return text;
var out = '',
l = text.length,
i = 0,
ch;
for (; i < l; i++) {
ch = text.charCodeAt(i);
if (Math.random() > 0.5) {
ch = 'x' + ch.toString(16);
}
out += '&#' + ch + ';';
}
return out;
};
/**
* Renderer
*/
function Renderer(options) {
this.options = options || marked.defaults;
}
Renderer.prototype.code = function (code, lang, escaped) {
if (this.options.highlight) {
var out = this.options.highlight(code, lang);
if (out != null && out !== code) {
escaped = true;
code = out;
}
}
if (!lang) {
return '<pre><code>' + (escaped ? code : escape(code, true)) + '</code></pre>';
}
return '<pre><code class="' + this.options.langPrefix + escape(lang, true) + '">' + (escaped ? code : escape(code, true)) + '</code></pre>\n';
};
Renderer.prototype.blockquote = function (quote) {
return '<blockquote>\n' + quote + '</blockquote>\n';
};
Renderer.prototype.html = function (html) {
return html;
};
Renderer.prototype.heading = function (text, level, raw) {
if (this.options.headerIds) {
return '<h' + level + ' id="' + this.options.headerPrefix + raw.toLowerCase().replace(/[^\w]+/g, '-') + '">' + text + '</h' + level + '>\n';
} // ignore IDs
return '<h' + level + '>' + text + '</h' + level + '>\n';
};
Renderer.prototype.hr = function () {
return this.options.xhtml ? '<hr/>\n' : '<hr>\n';
};
Renderer.prototype.list = function (body, ordered, start, containsTaskList) {
var type = ordered ? 'ol' : 'ul',
startatt = ordered && start !== 1 ? ' start="' + start + '"' : '',
className = containsTaskList ? ' class="contains-task-list"' : '';
return '<' + type + startatt + className + '>\n' + body + '</' + type + '>\n';
};
Renderer.prototype.listitem = function (text, task) {
return "<li" + (task ? ' class="task-list-item"' : '') + ">" + text + '</li>\n';
};
Renderer.prototype.checkbox = function (checked) {
return '<input ' + (checked ? 'checked="" ' : '') + 'disabled="" type="checkbox"' + (this.options.xhtml ? ' /' : '') + '> ';
};
Renderer.prototype.paragraph = function (text) {
return '<p>' + text + '</p>\n';
};
Renderer.prototype.table = function (header, body) {
if (body) body = '<tbody>' + body + '</tbody>';
return '<table>\n' + '<thead>\n' + header + '</thead>\n' + body + '</table>\n';
};
Renderer.prototype.tablerow = function (content) {
return '<tr>\n' + content + '</tr>\n';
};
Renderer.prototype.tablecell = function (content, flags) {
var type = flags.header ? 'th' : 'td';
var tag = flags.align ? '<' + type + ' align="' + flags.align + '">' : '<' + type + '>';
return tag + content + '</' + type + '>\n';
}; // span level renderer
Renderer.prototype.strong = function (text) {
return '<strong>' + text + '</strong>';
};
Renderer.prototype.em = function (text) {
return '<em>' + text + '</em>';
};
Renderer.prototype.codespan = function (text) {
return '<code>' + text + '</code>';
};
Renderer.prototype.br = function () {
return this.options.xhtml ? '<br/>' : '<br>';
};
Renderer.prototype.del = function (text) {
return '<del>' + text + '</del>';
}; // @modified
Renderer.prototype.link = function (href, title, text) {
if (this.options.sanitize) {
try {
var prot = decodeURIComponent(unescape(href)).replace(/[^\w:]/g, '').toLowerCase();
} catch (e) {
return text;
}
if (prot.indexOf('javascript:') === 0 || prot.indexOf('vbscript:') === 0 || prot.indexOf('data:') === 0) {
return text;
}
}
if (this.options.baseUrl && !originIndependentUrl.test(href)) {
href = resolveUrl(this.options.baseUrl, href);
}
try {
href = encodeURI(href).replace(/%25/g, '%');
} catch (e) {
return text;
}
var isExternal = /^https?:\/\//.test(href);
var isMailto = /^mailto:/.test(href);
var tag = isExternal || isMailto ? 'a' : 'router-link';
var hrefAttr = tag === 'a' ? 'href' : 'to';
var out = "<" + tag + " " + hrefAttr + "=\"" + escape(isExternal ? href : removeMarkdownExtension(unescape(href))) + '"';
if (title) {
out += ' title="' + title + '"';
}
if (isExternal) {
out += " target=\"_blank\" rel=\"noopener noreferrer\"";
text += "\n<external-link-icon />";
}
out += '>' + text + ("</" + tag + ">");
return out;
}; // @modified
Renderer.prototype.image = function (href, title, text) {
if (this.options.baseUrl && !originIndependentUrl.test(href)) {
href = resolveUrl(this.options.baseUrl, href);
}
var imageZoom = this.options.env.config.imageZoom;
var tag = imageZoom ? 'image-zoom' : 'img';
var out = "<" + tag + " src=\"" + href + '" alt="' + text + '"';
if (title) {
out += ' title="' + title + '"';
}
if (imageZoom) {
out += ' v-bind:border="false"';
}
out += this.options.xhtml ? '/>' : '>';
return out;
};
Renderer.prototype.text = function (text) {
return text;
};
/**
* TextRenderer
* returns only the textual part of the token
*/
function TextRenderer() {} // no need for block level renderers
TextRenderer.prototype.strong = TextRenderer.prototype.em = TextRenderer.prototype.codespan = TextRenderer.prototype.del = TextRenderer.prototype.text = function (text) {
return text;
};
TextRenderer.prototype.link = TextRenderer.prototype.image = function (href, title, text) {
return '' + text;
};
TextRenderer.prototype.br = function () {
return '';
};
/**
* Parsing & Compiling
*/
function Parser(options) {
this.tokens = [];
this.token = null;
this.options = options || marked.defaults;
this.options.renderer = this.options.renderer || new Renderer();
this.renderer = this.options.renderer;
this.renderer.options = this.options;
}
/**
* Static Parse Method
*/
Parser.parse = function (src, options) {
var parser = new Parser(options);
return parser.parse(src);
};
/**
* Parse Loop
*/
Parser.prototype.parse = function (src) {
this.inline = new InlineLexer(src.links, this.options); // use an InlineLexer with a TextRenderer to extract pure text
this.inlineText = new InlineLexer(src.links, merge({}, this.options, {
renderer: new TextRenderer()
}));
this.tokens = src.reverse();
var out = '';
while (this.next()) {
out += this.tok();
}
return out;
};
/**
* Next Token
*/
Parser.prototype.next = function () {
return this.token = this.tokens.pop();
};
/**
* Preview Next Token
*/
Parser.prototype.peek = function () {
return this.tokens[this.tokens.length - 1] || 0;
};
/**
* Parse Text Tokens
*/
Parser.prototype.parseText = function () {
var body = this.token.text;
while (this.peek().type === 'text') {
body += '\n' + this.next().text;
}
return this.inline.output(body);
};
/**
* Parse Current Token
*/
Parser.prototype.tok = function () {
switch (this.token.type) {
case 'space':
{
return '';
}
case 'hr':
{
return this.renderer.hr();
}
case 'heading':
{
return this.renderer.heading(this.inline.output(this.token.text), this.token.depth, unescape(this.inlineText.output(this.token.text)));
}
case 'code':
{
return this.renderer.code(this.token.text, this.token.lang, this.token.escaped, this.token.opts);
}
case 'table':
{
var header = '',
body = '',
i,
row,
cell,
j; // header
cell = '';
for (i = 0; i < this.token.header.length; i++) {
cell += this.renderer.tablecell(this.inline.output(this.token.header[i]), {
header: true,
align: this.token.align[i]
});
}
header += this.renderer.tablerow(cell);
for (i = 0; i < this.token.cells.length; i++) {
row = this.token.cells[i];
cell = '';
for (j = 0; j < row.length; j++) {
cell += this.renderer.tablecell(this.inline.output(row[j]), {
header: false,
align: this.token.align[j]
});
}
body += this.renderer.tablerow(cell);
}
return this.renderer.table(header, body);
}
case 'blockquote_start':
{
body = '';
while (this.next().type !== 'blockquote_end') {
body += this.tok();
}
return this.renderer.blockquote(body);
}
case 'list_start':
{
body = '';
var ordered = this.token.ordered,
start = this.token.start,
containsTaskList = false;
while (this.next().type !== 'list_end') {
if (this.token.task) {
containsTaskList = true;
}
body += this.tok();
}
return this.renderer.list(body, ordered, start, containsTaskList);
}
// @modified
case 'list_item_start':
{
body = '';
var loose = this.token.loose;
var isTask = this.token.task;
if (isTask) {
body += this.renderer.checkbox(this.token.checked);
}
while (this.next().type !== 'list_item_end') {
body += !loose && this.token.type === 'text' ? this.parseText() : this.tok();
}
return this.renderer.listitem(body, isTask);
}
case 'html':
{
// TODO parse inline content if parameter markdown=1
return this.renderer.html(this.token.text);
}
case 'paragraph':
{
return this.renderer.paragraph(this.inline.output(this.token.text));
}
case 'text':
{
return this.renderer.paragraph(this.parseText());
}
}
};
/**
* Helpers
*/
function escape(html, encode) {
if (encode) {
if (escape.escapeTest.test(html)) {
return html.replace(escape.escapeReplace, function (ch) {
return escape.replacements[ch];
});
}
} else {
if (escape.escapeTestNoEncode.test(html)) {
return html.replace(escape.escapeReplaceNoEncode, function (ch) {
return escape.replacements[ch];
});
}
}
return html;
}
escape.escapeTest = /[&<>"']/;
escape.escapeReplace = /[&<>"']/g;
escape.replacements = {
'&': '&',
'<': '<',
'>': '>',
'"': '"',
"'": '''
};
escape.escapeTestNoEncode = /[<>"']|&(?!#?\w+;)/;
escape.escapeReplaceNoEncode = /[<>"']|&(?!#?\w+;)/g;
function unescape(html) {
// explicitly match decimal, hex, and named HTML entities
return html.replace(/&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/gi, function (_, n) {
n = n.toLowerCase();
if (n === 'colon') return ':';
if (n.charAt(0) === '#') {
return n.charAt(1) === 'x' ? String.fromCharCode(parseInt(n.substring(2), 16)) : String.fromCharCode(+n.substring(1));
}
return '';
});
}
function edit(regex, opt) {
regex = regex.source || regex;
opt = opt || '';
return {
replace: function replace(name, val) {
val = val.source || val;
val = val.replace(/(^|[^\[])\^/g, '$1');
regex = regex.replace(name, val);
return this;
},
getRegex: function getRegex() {
return new RegExp(regex, opt);
}
};
}
function resolveUrl(base, href) {
if (!baseUrls[' ' + base]) {
// we can ignore everything in base after the last slash of its path component,
// but we might need to add _that_
// https://tools.ietf.org/html/rfc3986#section-3
if (/^[^:]+:\/*[^/]*$/.test(base)) {
baseUrls[' ' + base] = base + '/';
} else {
baseUrls[' ' + base] = rtrim(base, '/', true);
}
}
base = baseUrls[' ' + base];
if (href.slice(0, 2) === '//') {
return base.replace(/:[\s\S]*/, ':') + href;
} else if (href.charAt(0) === '/') {
return base.replace(/(:\/*[^/]*)[\s\S]*/, '$1') + href;
} else {
return base + href;
}
}
var baseUrls = {};
var originIndependentUrl = /^$|^[a-z][a-z0-9+.-]*:|^[?#]/i;
function noop() {}
noop.exec = noop;
function merge(obj) {
var i = 1,
target,
key;
for (; i < arguments.length; i++) {
target = arguments[i];
for (key in target) {
if (Object.prototype.hasOwnProperty.call(target, key)) {
obj[key] = target[key];
}
}
}
return obj;
}
function splitCells(tableRow, count) {
// ensure that every cell-delimiting pipe has a space
// before it to distinguish it from an escaped pipe
var row = tableRow.replace(/\|/g, function (match, offset, str) {
var 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(/ \|/),
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) {
if (str.length === 0) {
return '';
} // Length of suffix matching the invert condition.
var suffLen = 0; // Step left until we fail to match the invert condition.
while (suffLen < str.length) {
var currChar = str.charAt(str.length - suffLen - 1);
if (currChar === c && !invert) {
suffLen++;
} else if (currChar !== c && invert) {
suffLen++;
} else {
break;
}
}
return str.substr(0, str.length - suffLen);
}
/**
* Marked
*/
function marked(src, opt, callback) {
// throw error in case of non string input
if (typeof src === 'undefined' || src === null) {
throw new Error('marked(): input parameter is undefined or null');
}
if (typeof src !== 'string') {
throw new Error('marked(): input parameter is of type ' + Object.prototype.toString.call(src) + ', string expected');
}
if (callback || typeof opt === 'function') {
if (!callback) {
callback = opt;
opt = null;
}
opt = merge({}, marked.defaults, opt || {});
var highlight = opt.highlight,
tokens,
pending,
i = 0;
try {
tokens = Lexer.lex(src, opt);
} catch (e) {
return callback(e);
}
pending = tokens.length;
var done = function done(err) {
if (err) {
opt.highlight = highlight;
return callback(err);
}
var out;
try {
out = Parser.parse(tokens, opt);
} catch (e) {
err = e;
}
opt.highlight = highlight;
return err ? callback(err) : callback(null, out);
};
if (!highlight || highlight.length < 3) {
return done();
}
delete opt.highlight;
if (!pending) return done();
for (; i < tokens.length; i++) {
;
(function (token) {
if (token.type !== 'code') {
return --pending || done();
}
return highlight(token.text, token.lang, function (err, code) {
if (err) return done(err);
if (code == null || code === token.text) {
return --pending || done();
}
token.text = code;
token.escaped = true;
--pending || done();
});
})(tokens[i]);
}
return;
}
try {
if (opt) opt = merge({}, marked.defaults, opt);
return Parser.parse(Lexer.lex(src, opt), opt);
} catch (e) {
e.message += '\nPlease report this to https://github.com/markedjs/marked.';
if ((opt || marked.defaults).silent) {
return '<p>An error occurred:</p><pre>' + escape(e.message + '', true) + '</pre>';
}
throw e;
}
}
/**
* Options
*/
marked.options = marked.setOptions = function (opt) {
merge(marked.defaults, opt);
return marked;
};
marked.getDefaults = function () {
return {
baseUrl: null,
breaks: false,
gfm: true,
headerIds: true,
headerPrefix: '',
highlight: null,
langPrefix: 'language-',
mangle: true,
pedantic: false,
renderer: new Renderer(),
sanitize: false,
sanitizer: null,
silent: false,
smartLists: false,
smartypants: false,
tables: true,
xhtml: false
};
};
marked.defaults = marked.getDefaults();
/**
* Expose
*/
marked.Parser = Parser;
marked.parser = Parser.parse;
marked.Renderer = Renderer;
marked.TextRenderer = TextRenderer;
marked.Lexer = Lexer;
marked.lexer = Lexer.lex;
marked.InlineLexer = InlineLexer;
marked.inlineLexer = InlineLexer.output;
marked.parse = marked; // @modified
marked.escape = escape;
marked.unescape = unescape;
export default marked;