diff --git a/lib/docsify.js b/lib/docsify.js index e7ba87110..50afdc167 100644 --- a/lib/docsify.js +++ b/lib/docsify.js @@ -608,64 +608,79 @@ function createCommonjsModule(fn, module) { var marked = createCommonjsModule(function (module, exports) { /** * marked - a markdown parser - * Copyright (c) 2011-2014, Christopher Jeffrey. (MIT Licensed) - * https://github.com/chjj/marked + * Copyright (c) 2011-2018, Christopher Jeffrey. (MIT Licensed) + * https://github.com/markedjs/marked */ -(function() { +(function(root) { var block = { newline: /^\n+/, code: /^( {4}[^\n]+\n*)+/, fences: noop, - hr: /^( *[-*_]){3,} *(?:\n+|$)/, - heading: /^ *(#{1,6}) *([^\n]+?) *#* *(?:\n+|$)/, + hr: /^ {0,3}((?:- *){3,}|(?:_ *){3,}|(?:\* *){3,})(?:\n+|$)/, + heading: /^ *(#{1,6}) *([^\n]+?) *(?:#+ *)?(?:\n+|$)/, nptable: noop, - lheading: /^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/, - blockquote: /^( *>[^\n]+(\n(?!def)[^\n]+)*\n*)+/, + blockquote: /^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/, list: /^( *)(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/, - html: /^ *(?:comment *(?:\n|\s*$)|closed *(?:\n{2,}|\s*$)|closing *(?:\n{2,}|\s*$))/, - def: /^ *\[([^\]]+)\]: *]+)>?(?: +["(]([^\n]+)[")])? *(?:\n+|$)/, + html: '^ {0,3}(?:' // optional indentation + + '<(script|pre|style)[\\s>][\\s\\S]*?(?:[^\\n]*\\n+|$)' // (1) + + '|comment[^\\n]*(\\n+|$)' // (2) + + '|<\\?[\\s\\S]*?\\?>\\n*' // (3) + + '|\\n*' // (4) + + '|\\n*' // (5) + + '|)[\\s\\S]*?(?:\\n{2,}|$)' // (6) + + '|<(?!script|pre|style)([a-z][\\w-]*)(?:attribute)*? */?>(?=\\h*\\n)[\\s\\S]*?(?:\\n{2,}|$)' // (7) open tag + + '|(?=\\h*\\n)[\\s\\S]*?(?:\\n{2,}|$)' // (7) closing tag + + ')', + def: /^ {0,3}\[(label)\]: *\n? *]+)>?(?:(?: +\n? *| *\n *)(title))? *(?:\n+|$)/, table: noop, - paragraph: /^((?:[^\n]+\n?(?!hr|heading|lheading|blockquote|tag|def))+)\n*/, + lheading: /^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/, + 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 = replace(block.item, 'gm') - (/bull/g, block.bullet) - (); - -block.list = replace(block.list) - (/bull/g, block.bullet) - ('hr', '\\n+(?=\\1?(?:[-*_] *){3,}(?:\\n+|$))') - ('def', '\\n+(?=' + block.def.source + ')') - (); - -block.blockquote = replace(block.blockquote) - ('def', block.def) - (); - -block._tag = '(?!(?:' - + 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code' - + '|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo' - + '|span|br|wbr|ins|del|img)\\b)\\w+(?!:/|[^\\w\\s@]*@)\\b'; - -block.html = replace(block.html) - ('comment', //) - ('closed', /<(tag)[\s\S]+?<\/\1>/) - ('closing', /])*?>/) - (/tag/g, block._tag) - (); - -block.paragraph = replace(block.paragraph) - ('hr', block.hr) - ('heading', block.heading) - ('lheading', block.lheading) - ('blockquote', block.blockquote) - ('tag', '<' + block._tag) - ('def', block.def) - (); +block.item = edit(block.item, 'gm') + .replace(/bull/g, block.bullet) + .getRegex(); + +block.list = edit(block.list) + .replace(/bull/g, block.bullet) + .replace('hr', '\\n+(?=\\1?(?:(?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$))') + .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 = //; +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 @@ -678,24 +693,42 @@ block.normal = merge({}, block); */ block.gfm = merge({}, block.normal, { - fences: /^ *(`{3,}|~{3,})[ \.]*(\S+)? *\n([\s\S]*?)\s*\1 *(?:\n+|$)/, + fences: /^ *(`{3,}|~{3,})[ \.]*(\S+)? *\n([\s\S]*?)\n? *\1 *(?:\n+|$)/, paragraph: /^/, heading: /^ *(#{1,6}) +([^\n]+?) *#* *(?:\n+|$)/ }); -block.gfm.paragraph = replace(block.paragraph) - ('(?!', '(?!' +block.gfm.paragraph = edit(block.paragraph) + .replace('(?!', '(?!' + block.gfm.fences.source.replace('\\1', '\\2') + '|' + block.list.source.replace('\\1', '\\3') + '|') - (); + .getRegex(); /** * GFM + Tables Block Grammar */ block.tables = merge({}, block.gfm, { - nptable: /^ *(\S.*\|.*)\n *([-:]+ *\|[-| :]*)\n((?:.*\|.*(?:\n|$))*)\n*/, - table: /^ *\|(.+)\n *\|( *[-:]+[-| :]*)\n((?: *\|.*(?:\n|$))*)\n*/ + nptable: /^ *([^|\n ].*\|.*)\n *([-:]+ *\|[-| :]*)(?:\n((?:.*[^>\n ].*(?:\n|$))*)\n*|$)/, + table: /^ *\|(.+)\n *\|?( *[-:]+[-| :]*)(?:\n((?: *[^>\n ].*(?:\n|$))*)\n*|$)/ +}); + +/** + * Pedantic grammar + */ + +block.pedantic = merge({}, block.normal, { + html: edit( + '^ *(?:comment *(?:\\n|\\s*$)' + + '|<(tag)[\\s\\S]+? *(?:\\n{2,}|\\s*$)' // closed tag + + '|\\s]*)*?/?> *(?:\\n{2,}|\\s*$))') + .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: /^ *\[([^\]]+)\]: *]+)>?(?: +(["(][^\n]+[")]))? *(?:\n+|$)/ }); /** @@ -704,11 +737,13 @@ block.tables = merge({}, block.gfm, { function Lexer(options) { this.tokens = []; - this.tokens.links = {}; + this.tokens.links = Object.create(null); this.options = options || marked.defaults; this.rules = block.normal; - if (this.options.gfm) { + if (this.options.pedantic) { + this.rules = block.pedantic; + } else if (this.options.gfm) { if (this.options.tables) { this.rules = block.tables; } else { @@ -750,19 +785,26 @@ Lexer.prototype.lex = function(src) { * Lexing */ -Lexer.prototype.token = function(src, top, bq) { +Lexer.prototype.token = function(src, top) { var this$1 = this; - var src = src.replace(/^ +$/gm, '') - , next - , loose - , cap - , bull - , b - , item - , space - , i - , l; + src = src.replace(/^ +$/gm, ''); + var next, + loose, + cap, + bull, + b, + item, + listStart, + listItems, + t, + space, + i, + tag, + l, + isordered, + istask, + ischecked; while (src) { // newline @@ -782,7 +824,7 @@ Lexer.prototype.token = function(src, top, bq) { this$1.tokens.push({ type: 'code', text: !this$1.options.pedantic - ? cap.replace(/\n+$/, '') + ? rtrim(cap, '\n') : cap }); continue; @@ -812,45 +854,36 @@ Lexer.prototype.token = function(src, top, bq) { // table no leading pipe (gfm) if (top && (cap = this$1.rules.nptable.exec(src))) { - src = src.substring(cap[0].length); - item = { type: 'table', - header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */), + header: splitCells(cap[1].replace(/^ *| *\| *$/g, '')), align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */), - cells: cap[3].replace(/\n$/, '').split('\n') + cells: cap[3] ? cap[3].replace(/\n$/, '').split('\n') : [] }; - for (i = 0; i < item.align.length; i++) { - if (/^ *-+: *$/.test(item.align[i])) { - item.align[i] = 'right'; - } else if (/^ *:-+: *$/.test(item.align[i])) { - item.align[i] = 'center'; - } else if (/^ *:-+ *$/.test(item.align[i])) { - item.align[i] = 'left'; - } else { - item.align[i] = null; + if (item.header.length === item.align.length) { + src = src.substring(cap[0].length); + + for (i = 0; i < item.align.length; i++) { + if (/^ *-+: *$/.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] = item.cells[i].split(/ *\| */); - } - this$1.tokens.push(item); + for (i = 0; i < item.cells.length; i++) { + item.cells[i] = splitCells(item.cells[i], item.header.length); + } - continue; - } + this$1.tokens.push(item); - // lheading - if (cap = this$1.rules.lheading.exec(src)) { - src = src.substring(cap[0].length); - this$1.tokens.push({ - type: 'heading', - depth: cap[2] === '=' ? 1 : 2, - text: cap[1] - }); - continue; + continue; + } } // hr @@ -875,7 +908,7 @@ Lexer.prototype.token = function(src, top, bq) { // Pass `top` to keep the current // "toplevel" state. This is exactly // how markdown.pl works. - this$1.token(cap, top, true); + this$1.token(cap, top); this$1.tokens.push({ type: 'blockquote_end' @@ -888,15 +921,21 @@ Lexer.prototype.token = function(src, top, bq) { if (cap = this$1.rules.list.exec(src)) { src = src.substring(cap[0].length); bull = cap[2]; + isordered = bull.length > 1; - this$1.tokens.push({ + listStart = { type: 'list_start', - ordered: bull.length > 1 - }); + ordered: isordered, + start: isordered ? +bull : '', + loose: false + }; + + this$1.tokens.push(listStart); // Get each top-level item. cap = cap[0].match(this$1.rules.item); + listItems = []; next = false; l = cap.length; i = 0; @@ -937,20 +976,44 @@ Lexer.prototype.token = function(src, top, bq) { if (!loose) { loose = next; } } - this$1.tokens.push({ - type: loose - ? 'loose_item_start' - : 'list_item_start' - }); + 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$1.tokens.push(t); // Recurse. - this$1.token(item, false, bq); + this$1.token(item, false); this$1.tokens.push({ type: 'list_item_end' }); } + if (listStart.loose) { + l = listItems.length; + i = 0; + for (; i < l; i++) { + listItems[i].loose = true; + } + } + this$1.tokens.push({ type: 'list_end' }); @@ -973,46 +1036,63 @@ Lexer.prototype.token = function(src, top, bq) { } // def - if ((!bq && top) && (cap = this$1.rules.def.exec(src))) { + if (top && (cap = this$1.rules.def.exec(src))) { src = src.substring(cap[0].length); - this$1.tokens.links[cap[1].toLowerCase()] = { - href: cap[2], - title: cap[3] - }; + if (cap[3]) { cap[3] = cap[3].substring(1, cap[3].length - 1); } + tag = cap[1].toLowerCase().replace(/\s+/g, ' '); + if (!this$1.tokens.links[tag]) { + this$1.tokens.links[tag] = { + href: cap[2], + title: cap[3] + }; + } continue; } // table (gfm) if (top && (cap = this$1.rules.table.exec(src))) { - src = src.substring(cap[0].length); - item = { type: 'table', - header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */), + header: splitCells(cap[1].replace(/^ *| *\| *$/g, '')), align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */), - cells: cap[3].replace(/(?: *\| *)?\n$/, '').split('\n') + cells: cap[3] ? cap[3].replace(/(?: *\| *)?\n$/, '').split('\n') : [] }; - for (i = 0; i < item.align.length; i++) { - if (/^ *-+: *$/.test(item.align[i])) { - item.align[i] = 'right'; - } else if (/^ *:-+: *$/.test(item.align[i])) { - item.align[i] = 'center'; - } else if (/^ *:-+ *$/.test(item.align[i])) { - item.align[i] = 'left'; - } else { - item.align[i] = null; + if (item.header.length === item.align.length) { + src = src.substring(cap[0].length); + + for (i = 0; i < item.align.length; i++) { + if (/^ *-+: *$/.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] = item.cells[i] - .replace(/^ *\| *| *\| *$/g, '') - .split(/ *\| */); - } + for (i = 0; i < item.cells.length; i++) { + item.cells[i] = splitCells( + item.cells[i].replace(/^ *\| *| *\| *$/g, ''), + item.header.length); + } - this$1.tokens.push(item); + this$1.tokens.push(item); + continue; + } + } + + // lheading + if (cap = this$1.rules.lheading.exec(src)) { + src = src.substring(cap[0].length); + this$1.tokens.push({ + type: 'heading', + depth: cap[2] === '=' ? 1 : 2, + text: cap[1] + }); continue; } @@ -1040,8 +1120,7 @@ Lexer.prototype.token = function(src, top, bq) { } if (src) { - throw new - Error('Infinite loop on byte: ' + src.charCodeAt(0)); + throw new Error('Infinite loop on byte: ' + src.charCodeAt(0)); } } @@ -1053,32 +1132,55 @@ Lexer.prototype.token = function(src, top, bq) { */ var inline = { - escape: /^\\([\\`*{}\[\]()#+\-.!_>])/, - autolink: /^<([^ <>]+(@|:\/)[^ <>]+)>/, + escape: /^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/, + autolink: /^<(scheme:[^\s\x00-\x1f<>]*|email)>/, url: noop, - tag: /^|^<\/?\w+(?:"[^"]*"|'[^']*'|[^<'">])*?>/, - link: /^!?\[(inside)\]\(href\)/, - reflink: /^!?\[(inside)\]\s*\[([^\]]*)\]/, - nolink: /^!?\[((?:\[[^\]]*\]|[^\[\]])*)\]/, - strong: /^__([\s\S]+?)__(?!_)|^\*\*([\s\S]+?)\*\*(?!\*)/, - em: /^\b_((?:[^_]|__)+?)_\b|^\*((?:\*\*|[\s\S])+?)\*(?!\*)/, - code: /^(`+)([\s\S]*?[^`])\1(?!`)/, - br: /^ {2,}\n(?!\s*$)/, + tag: '^comment' + + '|^' // self-closing tag + + '|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>' // open tag + + '|^<\\?[\\s\\S]*?\\?>' // processing instruction, e.g. + + '|^' // declaration, e.g. + + '|^', // 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*$)/, del: noop, - text: /^[\s\S]+?(?=[\\?(?:\s+['"]([\s\S]*?)['"])?\s*/; +inline._escapes = /\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/g; -inline.link = replace(inline.link) - ('inside', inline._inside) - ('href', inline._href) - (); +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.reflink = replace(inline.reflink) - ('inside', inline._inside) - (); +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 @@ -1092,7 +1194,13 @@ inline.normal = merge({}, inline); inline.pedantic = merge({}, inline.normal, { strong: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/, - em: /^_(?=\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() }); /** @@ -1100,22 +1208,27 @@ inline.pedantic = merge({}, inline.normal, { */ inline.gfm = merge({}, inline.normal, { - escape: replace(inline.escape)('])', '~|])')(), - url: /^(https?:\/\/[^\s<]+[^<.,:;"')\]\s])/, - del: /^~~(?=\S)([\s\S]*?\S)~~/, - text: replace(inline.text) - (']|', '~]|') - ('|', '|https?://|') - () + 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: replace(inline.br)('{2,}', '*')(), - text: replace(inline.gfm.text)('{2,}', '*')() + br: edit(inline.br).replace('{2,}', '*').getRegex(), + text: edit(inline.gfm.text).replace('{2,}', '*').getRegex() }); /** @@ -1126,22 +1239,21 @@ 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 = this.options.renderer || new Renderer(); this.renderer.options = this.options; if (!this.links) { - throw new - Error('Tokens array requires a `links` property.'); + throw new Error('Tokens array requires a `links` property.'); } - if (this.options.gfm) { + 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; } - } else if (this.options.pedantic) { - this.rules = inline.pedantic; } } @@ -1167,11 +1279,13 @@ InlineLexer.output = function(src, links, options) { InlineLexer.prototype.output = function(src) { var this$1 = this; - var out = '' - , link - , text - , href - , cap; + var out = '', + link, + text, + href, + title, + cap, + prevCapZero; while (src) { // escape @@ -1185,12 +1299,8 @@ InlineLexer.prototype.output = function(src) { if (cap = this$1.rules.autolink.exec(src)) { src = src.substring(cap[0].length); if (cap[2] === '@') { - text = escape( - cap[1].charAt(6) === ':' - ? this$1.mangle(cap[1].substring(7)) - : this$1.mangle(cap[1]) - ); - href = this$1.mangle('mailto:') + text; + text = escape(this$1.mangle(cap[1])); + href = 'mailto:' + text; } else { text = escape(cap[1]); href = text; @@ -1201,9 +1311,23 @@ InlineLexer.prototype.output = function(src) { // url (gfm) if (!this$1.inLink && (cap = this$1.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$1.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); - text = escape(cap[1]); - href = text; out += this$1.renderer.link(href, null, text); continue; } @@ -1215,6 +1339,12 @@ InlineLexer.prototype.output = function(src) { } else if (this$1.inLink && /^<\/a>/i.test(cap[0])) { this$1.inLink = false; } + if (!this$1.inRawBlock && /^<(pre|code|kbd|script)(\s|>)/i.test(cap[0])) { + this$1.inRawBlock = true; + } else if (this$1.inRawBlock && /^<\/(pre|code|kbd|script)(\s|>)/i.test(cap[0])) { + this$1.inRawBlock = false; + } + src = src.substring(cap[0].length); out += this$1.options.sanitize ? this$1.options.sanitizer @@ -1228,9 +1358,23 @@ InlineLexer.prototype.output = function(src) { if (cap = this$1.rules.link.exec(src)) { src = src.substring(cap[0].length); this$1.inLink = true; + href = cap[2]; + if (this$1.options.pedantic) { + link = /^([^'"]*[^\s])\s+(['"])(.*)\2/.exec(href); + + if (link) { + href = link[1]; + title = link[3]; + } else { + title = ''; + } + } else { + title = cap[3] ? cap[3].slice(1, -1) : ''; + } + href = href.trim().replace(/^<([\s\S]*)>$/, '$1'); out += this$1.outputLink(cap, { - href: cap[2], - title: cap[3] + href: InlineLexer.escapes(href), + title: InlineLexer.escapes(title) }); this$1.inLink = false; continue; @@ -1256,14 +1400,14 @@ InlineLexer.prototype.output = function(src) { // strong if (cap = this$1.rules.strong.exec(src)) { src = src.substring(cap[0].length); - out += this$1.renderer.strong(this$1.output(cap[2] || cap[1])); + out += this$1.renderer.strong(this$1.output(cap[4] || cap[3] || cap[2] || cap[1])); continue; } // em if (cap = this$1.rules.em.exec(src)) { src = src.substring(cap[0].length); - out += this$1.renderer.em(this$1.output(cap[2] || cap[1])); + out += this$1.renderer.em(this$1.output(cap[6] || cap[5] || cap[4] || cap[3] || cap[2] || cap[1])); continue; } @@ -1291,26 +1435,33 @@ InlineLexer.prototype.output = function(src) { // text if (cap = this$1.rules.text.exec(src)) { src = src.substring(cap[0].length); - out += this$1.renderer.text(escape(this$1.smartypants(cap[0]))); + if (this$1.inRawBlock) { + out += this$1.renderer.text(cap[0]); + } else { + out += this$1.renderer.text(escape(this$1.smartypants(cap[0]))); + } continue; } if (src) { - throw new - Error('Infinite loop on byte: ' + src.charCodeAt(0)); + 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 = escape(link.href) - , title = link.title ? escape(link.title) : null; + 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])) @@ -1346,10 +1497,10 @@ InlineLexer.prototype.smartypants = function(text) { InlineLexer.prototype.mangle = function(text) { if (!this.options.mangle) { return text; } - var out = '' - , l = text.length - , i = 0 - , ch; + var out = '', + l = text.length, + i = 0, + ch; for (; i < l; i++) { ch = text.charCodeAt(i); @@ -1367,7 +1518,7 @@ InlineLexer.prototype.mangle = function(text) { */ function Renderer(options) { - this.options = options || {}; + this.options = options || marked.defaults; } Renderer.prototype.code = function(code, lang, escaped) { @@ -1382,7 +1533,7 @@ Renderer.prototype.code = function(code, lang, escaped) { if (!lang) { return '
'
       + (escaped ? code : escape(code, true))
-      + '\n
'; + + ''; } return '
'
     + (escaped ? code : escape(code, true))
-    + '\n
\n'; + + '\n'; }; Renderer.prototype.blockquote = function(quote) { @@ -1402,43 +1553,56 @@ Renderer.prototype.html = function(html) { }; Renderer.prototype.heading = function(text, level, raw) { - return '' - + text - + '\n'; + if (this.options.headerIds) { + return '' + + text + + '\n'; + } + // ignore IDs + return '' + text + '\n'; }; Renderer.prototype.hr = function() { return this.options.xhtml ? '
\n' : '
\n'; }; -Renderer.prototype.list = function(body, ordered) { - var type = ordered ? 'ol' : 'ul'; - return '<' + type + '>\n' + body + '\n'; +Renderer.prototype.list = function(body, ordered, start) { + var type = ordered ? 'ol' : 'ul', + startatt = (ordered && start !== 1) ? (' start="' + start + '"') : ''; + return '<' + type + startatt + '>\n' + body + '\n'; }; Renderer.prototype.listitem = function(text) { return '
  • ' + text + '
    • \n'; }; +Renderer.prototype.checkbox = function(checked) { + return ' '; +}; + Renderer.prototype.paragraph = function(text) { return '

    ' + text + '

    \n'; }; Renderer.prototype.table = function(header, body) { + if (body) { body = '' + body + ''; } + return '\n' + '\n' + header + '\n' - + '\n' + body - + '\n' + '
    \n'; }; @@ -1449,7 +1613,7 @@ Renderer.prototype.tablerow = function(content) { Renderer.prototype.tablecell = function(content, flags) { var type = flags.header ? 'th' : 'td'; var tag = flags.align - ? '<' + type + ' style="text-align:' + flags.align + '">' + ? '<' + type + ' align="' + flags.align + '">' : '<' + type + '>'; return tag + content + '\n'; }; @@ -1491,7 +1655,12 @@ Renderer.prototype.link = function(href, title, text) { if (this.options.baseUrl && !originIndependentUrl.test(href)) { href = resolveUrl(this.options.baseUrl, href); } - var out = '/g, '>') - .replace(/"/g, '"') - .replace(/'/g, '''); + 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 + // explicitly match decimal, hex, and named HTML entities return html.replace(/&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/ig, function(_, n) { n = n.toLowerCase(); if (n === 'colon') { return ':'; } @@ -1728,15 +1939,19 @@ function unescape(html) { }); } -function replace(regex, opt) { - regex = regex.source; +function edit(regex, opt) { + regex = regex.source || regex; opt = opt || ''; - return function self(name, val) { - if (!name) { return new RegExp(regex, opt); } - val = val.source || val; - val = val.replace(/(^|[^\[])\^/g, '$1'); - regex = regex.replace(name, val); - return self; + return { + replace: function(name, val) { + val = val.source || val; + val = val.replace(/(^|[^\[])\^/g, '$1'); + regex = regex.replace(name, val); + return this; + }, + getRegex: function() { + return new RegExp(regex, opt); + } }; } @@ -1748,7 +1963,7 @@ function resolveUrl(base, href) { if (/^[^:]+:\/*[^/]*$/.test(base)) { baseUrls[' ' + base] = base + '/'; } else { - baseUrls[' ' + base] = base.replace(/[^/]*$/, ''); + baseUrls[' ' + base] = rtrim(base, '/', true); } } base = baseUrls[' ' + base]; @@ -1770,9 +1985,9 @@ noop.exec = noop; function merge(obj) { var arguments$1 = arguments; - var i = 1 - , target - , key; + var i = 1, + target, + key; for (; i < arguments.length; i++) { target = arguments$1[i]; @@ -1786,12 +2001,78 @@ function merge(obj) { return obj; } +function splitCells(tableRow, count) { + // ensure that every cell-delimiting pipe has a space + // before it to distinguish it from an escaped pipe + var row = tableRow.replace(/\|/g, function (match, offset, str) { + var escaped = false, + curr = offset; + while (--curr >= 0 && str[curr] === '\\') { escaped = !escaped; } + if (escaped) { + // odd number of slashes means | is escaped + // so we leave it alone + return '|'; + } else { + // add space before unescaped | + return ' |'; + } + }), + cells = row.split(/ \|/), + i = 0; + + if (cells.length > count) { + cells.splice(count); + } else { + while (cells.length < count) { cells.push(''); } + } + + for (; i < cells.length; i++) { + // leading or trailing whitespace is ignored per the gfm spec + cells[i] = cells[i].trim().replace(/\\\|/g, '|'); + } + return cells; +} + +// Remove trailing 'c's. Equivalent to str.replace(/c*$/, ''). +// /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; @@ -1800,10 +2081,10 @@ function marked(src, opt, callback) { opt = merge({}, marked.defaults, opt || {}); - var highlight = opt.highlight - , tokens - , pending - , i = 0; + var highlight = opt.highlight, + tokens, + pending, + i = 0; try { tokens = Lexer.lex(src, opt); @@ -1865,7 +2146,7 @@ function marked(src, opt, callback) { if (opt) { opt = merge({}, marked.defaults, opt); } return Parser.parse(Lexer.lex(src, opt), opt); } catch (e) { - e.message += '\nPlease report this to https://github.com/chjj/marked.'; + e.message += '\nPlease report this to https://github.com/markedjs/marked.'; if ((opt || marked.defaults).silent) { return '

    An error occurred:

    '
         + escape(e.message + '', true)
@@ -1885,25 +2166,30 @@ marked.setOptions = function(opt) {
   return marked;
 };
 
-marked.defaults = {
-  gfm: true,
-  tables: true,
-  breaks: false,
-  pedantic: false,
-  sanitize: false,
-  sanitizer: null,
-  mangle: true,
-  smartLists: false,
-  silent: false,
-  highlight: null,
-  langPrefix: 'lang-',
-  smartypants: false,
-  headerPrefix: '',
-  renderer: new Renderer,
-  xhtml: false,
-  baseUrl: null
+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
  */
@@ -1912,6 +2198,7 @@ marked.Parser = Parser;
 marked.parser = Parser.parse;
 
 marked.Renderer = Renderer;
+marked.TextRenderer = TextRenderer;
 
 marked.Lexer = Lexer;
 marked.lexer = Lexer.lex;
@@ -1924,10 +2211,7 @@ marked.parse = marked;
 {
   module.exports = marked;
 }
-
-}).call(function() {
-  return this || (typeof window !== 'undefined' ? window : commonjsGlobal);
-}());
+})(commonjsGlobal || (typeof window !== 'undefined' ? window : commonjsGlobal));
 });
 
 var prism = createCommonjsModule(function (module) {
@@ -1952,7 +2236,7 @@ var _self = (typeof window !== 'undefined')
 var Prism = (function(){
 
 // Private helper vars
-var lang = /\blang(?:uage)?-(\w+)\b/i;
+var lang = /\blang(?:uage)?-([\w-]+)\b/i;
 var uniqueId = 0;
 
 var _ = _self.Prism = {
@@ -1981,23 +2265,38 @@ var _ = _self.Prism = {
 		},
 
 		// Deep clone a language definition (e.g. to extend it)
-		clone: function (o) {
+		clone: function (o, visited) {
 			var type = _.util.type(o);
+			visited = visited || {};
 
 			switch (type) {
 				case 'Object':
+					if (visited[_.util.objId(o)]) {
+						return visited[_.util.objId(o)];
+					}
 					var clone = {};
+					visited[_.util.objId(o)] = clone;
 
 					for (var key in o) {
 						if (o.hasOwnProperty(key)) {
-							clone[key] = _.util.clone(o[key]);
+							clone[key] = _.util.clone(o[key], visited);
 						}
 					}
 
 					return clone;
 
 				case 'Array':
-					return o.map(function(v) { return _.util.clone(v); });
+					if (visited[_.util.objId(o)]) {
+						return visited[_.util.objId(o)];
+					}
+					var clone = [];
+					visited[_.util.objId(o)] = clone;
+
+					o.forEach(function (v, i) {
+						clone[i] = _.util.clone(v, visited);
+					});
+
+					return clone;
 			}
 
 			return o;
@@ -2194,8 +2493,15 @@ var _ = _self.Prism = {
 	},
 
 	highlight: function (text, grammar, language) {
-		var tokens = _.tokenize(text, grammar);
-		return Token.stringify(_.util.encode(tokens), language);
+		var env = {
+			code: text,
+			grammar: grammar,
+			language: language
+		};
+		_.hooks.run('before-tokenize', env);
+		env.tokens = _.tokenize(env.code, env.grammar);
+		_.hooks.run('after-tokenize', env);
+		return Token.stringify(_.util.encode(env.tokens), env.language);
 	},
 
 	matchGrammar: function (text, strarr, grammar, index, startPos, oneshot, target) {
@@ -2243,15 +2549,9 @@ var _ = _self.Prism = {
 						continue;
 					}
 
-					pattern.lastIndex = 0;
-
-					var match = pattern.exec(str),
-					    delNum = 1;
-
-					// Greedy patterns can override/remove up to two previously matched tokens
-					if (!match && greedy && i != strarr.length - 1) {
+					if (greedy && i != strarr.length - 1) {
 						pattern.lastIndex = pos;
-						match = pattern.exec(text);
+						var match = pattern.exec(text);
 						if (!match) {
 							break;
 						}
@@ -2270,11 +2570,8 @@ var _ = _self.Prism = {
 							}
 						}
 
-						/*
-						 * If strarr[i] is a Token, then the match starts inside another Token, which is invalid
-						 * If strarr[k - 1] is greedy we are in conflict with another greedy pattern
-						 */
-						if (strarr[i] instanceof Token || strarr[k - 1].greedy) {
+						// If strarr[i] is a Token, then the match starts inside another Token, which is invalid
+						if (strarr[i] instanceof Token) {
 							continue;
 						}
 
@@ -2282,6 +2579,11 @@ var _ = _self.Prism = {
 						delNum = k - i;
 						str = text.slice(pos, p);
 						match.index -= pos;
+					} else {
+						pattern.lastIndex = 0;
+
+						var match = pattern.exec(str),
+							delNum = 1;
 					}
 
 					if (!match) {
@@ -2293,7 +2595,7 @@ var _ = _self.Prism = {
 					}
 
 					if(lookbehind) {
-						lookbehindLength = match[1].length;
+						lookbehindLength = match[1] ? match[1].length : 0;
 					}
 
 					var from = match.index + lookbehindLength,
@@ -2486,7 +2788,8 @@ Prism.languages.markup = {
 	'doctype': //i,
 	'cdata': //i,
 	'tag': {
-		pattern: /<\/?(?!\d)[^\s>\/=$<]+(?:\s+[^\s>\/=]+(?:=(?:("|')(?:\\[\s\S]|(?!\1)[^\\])*\1|[^\s'">=]+))?)*\s*\/?>/i,
+		pattern: /<\/?(?!\d)[^\s>\/=$<%]+(?:\s+[^\s>\/=]+(?:=(?:("|')(?:\\[\s\S]|(?!\1)[^\\])*\1|[^\s'">=]+))?)*\s*\/?>/i,
+		greedy: true,
 		inside: {
 			'tag': {
 				pattern: /^<\/?[^\s>\/]+/i,
@@ -2562,7 +2865,7 @@ Prism.languages.css = {
 	'punctuation': /[(){};:]/
 };
 
-Prism.languages.css['atrule'].inside.rest = Prism.util.clone(Prism.languages.css);
+Prism.languages.css['atrule'].inside.rest = Prism.languages.css;
 
 if (Prism.languages.markup) {
 	Prism.languages.insertBefore('markup', 'tag', {
@@ -2606,7 +2909,8 @@ Prism.languages.clike = {
 		},
 		{
 			pattern: /(^|[^\\:])\/\/.*/,
-			lookbehind: true
+			lookbehind: true,
+			greedy: true
 		}
 	],
 	'string': {
@@ -2623,7 +2927,7 @@ Prism.languages.clike = {
 	'keyword': /\b(?:if|else|while|do|for|return|in|instanceof|function|new|try|throw|catch|finally|null|break|continue)\b/,
 	'boolean': /\b(?:true|false)\b/,
 	'function': /[a-z0-9_]+(?=\()/i,
-	'number': /\b-?(?:0x[\da-f]+|\d*\.?\d+(?:e[+-]?\d+)?)\b/i,
+	'number': /\b0x[\da-f]+\b|(?:\b\d+\.?\d*|\B\.\d+)(?:e[+-]?\d+)?/i,
 	'operator': /--?|\+\+?|!=?=?|<=?|>=?|==?=?|&&?|\|\|?|\?|\*|\/|~|\^|%/,
 	'punctuation': /[{}[\];(),.:]/
 };
@@ -2635,7 +2939,7 @@ Prism.languages.clike = {
 
 Prism.languages.javascript = Prism.languages.extend('clike', {
 	'keyword': /\b(?:as|async|await|break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|finally|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|var|void|while|with|yield)\b/,
-	'number': /\b-?(?:0[xX][\dA-Fa-f]+|0[bB][01]+|0[oO][0-7]+|\d*\.?\d+(?:[Ee][+-]?\d+)?|NaN|Infinity)\b/,
+	'number': /\b(?:0[xX][\dA-Fa-f]+|0[bB][01]+|0[oO][0-7]+|NaN|Infinity)\b|(?:\b\d+\.?\d*|\B\.\d+)(?:[Ee][+-]?\d+)?/,
 	// Allow for all non-ASCII characters (See http://stackoverflow.com/a/2008444)
 	'function': /[_$a-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*\()/i,
 	'operator': /-[-=]?|\+[+=]?|!=?=?|<>?>?=?|=(?:==?|>)?|&[&=]?|\|[|=]?|\*\*?=?|\/=?|~|\^=?|%=?|\?|\.{3}/
@@ -2643,7 +2947,7 @@ Prism.languages.javascript = Prism.languages.extend('clike', {
 
 Prism.languages.insertBefore('javascript', 'keyword', {
 	'regex': {
-		pattern: /(^|[^/])\/(?!\/)(\[[^\]\r\n]+]|\\.|[^/\\\[\r\n])+\/[gimyu]{0,5}(?=\s*($|[\r\n,.;})]))/,
+		pattern: /((?:^|[^$\w\xA0-\uFFFF."'\])\s])\s*)\/(\[[^\]\r\n]+]|\\.|[^/\\\[\r\n])+\/[gimyu]{0,5}(?=\s*($|[\r\n,.;})\]]))/,
 		lookbehind: true,
 		greedy: true
 	},
@@ -2651,28 +2955,30 @@ Prism.languages.insertBefore('javascript', 'keyword', {
 	'function-variable': {
 		pattern: /[_$a-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*=\s*(?:function\b|(?:\([^()]*\)|[_$a-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*)\s*=>))/i,
 		alias: 'function'
-	}
+	},
+	'constant': /\b[A-Z][A-Z\d_]*\b/
 });
 
 Prism.languages.insertBefore('javascript', 'string', {
 	'template-string': {
-		pattern: /`(?:\\[\s\S]|[^\\`])*`/,
+		pattern: /`(?:\\[\s\S]|\${[^}]+}|[^\\`])*`/,
 		greedy: true,
 		inside: {
 			'interpolation': {
-				pattern: /\$\{[^}]+\}/,
+				pattern: /\${[^}]+}/,
 				inside: {
 					'interpolation-punctuation': {
-						pattern: /^\$\{|\}$/,
+						pattern: /^\${|}$/,
 						alias: 'punctuation'
 					},
-					rest: Prism.languages.javascript
+					rest: null // See below
 				}
 			},
 			'string': /[\s\S]+/
 		}
 	}
 });
+Prism.languages.javascript['template-string'].inside['interpolation'].inside.rest = Prism.languages.javascript;
 
 if (Prism.languages.markup) {
 	Prism.languages.insertBefore('markup', 'tag', {
@@ -2716,7 +3022,7 @@ Prism.languages.js = Prism.languages.javascript;
 			var src = pre.getAttribute('data-src');
 
 			var language, parent = pre;
-			var lang = /\blang(?:uage)?-(?!\*)(\w+)\b/i;
+			var lang = /\blang(?:uage)?-([\w-]+)\b/i;
 			while (parent && !lang.test(parent.className)) {
 				parent = parent.parentNode;
 			}
@@ -2763,6 +3069,21 @@ Prism.languages.js = Prism.languages.javascript;
 			xhr.send(null);
 		});
 
+		if (Prism.plugins.toolbar) {
+			Prism.plugins.toolbar.registerButton('download-file', function (env) {
+				var pre = env.element.parentNode;
+				if (!pre || !/pre/i.test(pre.nodeName) || !pre.hasAttribute('data-src') || !pre.hasAttribute('data-download-link')) {
+					return;
+				}
+				var src = pre.getAttribute('data-src');
+				var a = document.createElement('a');
+				a.textContent = pre.getAttribute('data-download-link-label') || 'Download';
+				a.setAttribute('download', '');
+				a.href = src;
+				return a;
+			});
+		}
+
 	};
 
 	document.addEventListener('DOMContentLoaded', self.Prism.fileHighlight);
diff --git a/lib/docsify.min.js b/lib/docsify.min.js
index ca599aef9..08de554b4 100644
--- a/lib/docsify.min.js
+++ b/lib/docsify.min.js
@@ -1 +1 @@
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      {inner}
    '),!e||!e.length)return"";var n="";return e.forEach(function(e){n+='
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diff --git a/package-lock.json b/package-lock.json
index d22ca0143..d42356aac 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,8 +10,8 @@
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       "dev": true,
       "requires": {
-        "jsonparse": "1.3.1",
-        "through": "2.3.8"
+        "jsonparse": "^1.2.0",
+        "through": ">=2.2.7 <3"
       }
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@@ -20,7 +20,7 @@
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       "dev": true,
       "requires": {
-        "mime-types": "2.1.18",
+        "mime-types": "~2.1.18",
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       }
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@@ -36,7 +36,7 @@
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       "dev": true,
       "requires": {
-        "acorn": "3.3.0"
+        "acorn": "^3.0.4"
       },
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         "acorn": {
@@ -53,7 +53,7 @@
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       "dev": true,
       "requires": {
-        "acorn": "5.3.0"
+        "acorn": "^5.1.2"
       }
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@@ -68,10 +68,10 @@
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       "dev": true,
       "requires": {
-        "co": "4.6.0",
-        "fast-deep-equal": "1.0.0",
-        "fast-json-stable-stringify": "2.0.0",
-        "json-schema-traverse": "0.3.1"
+        "co": "^4.6.0",
+        "fast-deep-equal": "^1.0.0",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.3.0"
       }
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     "ajv-keywords": {
@@ -86,9 +86,9 @@
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       "dev": true,
       "requires": {
-        "kind-of": "3.2.2",
-        "longest": "1.0.1",
-        "repeat-string": "1.6.1"
+        "kind-of": "^3.0.2",
+        "longest": "^1.0.1",
+        "repeat-string": "^1.5.2"
       }
     },
     "alphanum-sort": {
@@ -125,8 +125,8 @@
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       "dev": true,
       "requires": {
-        "micromatch": "3.1.9",
-        "normalize-path": "2.1.1"
+        "micromatch": "^3.1.4",
+        "normalize-path": "^2.1.1"
       },
       "dependencies": {
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@@ -147,18 +147,18 @@
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           "dev": true,
           "requires": {
-            "arr-flatten": "1.1.0",
-            "array-unique": "0.3.2",
-            "define-property": "1.0.0",
-            "extend-shallow": "2.0.1",
-            "fill-range": "4.0.0",
-            "isobject": "3.0.1",
-            "kind-of": "6.0.2",
-            "repeat-element": "1.1.2",
-            "snapdragon": "0.8.1",
-            "snapdragon-node": "2.1.1",
-            "split-string": "3.1.0",
-            "to-regex": "3.0.2"
+            "arr-flatten": "^1.1.0",
+            "array-unique": "^0.3.2",
+            "define-property": "^1.0.0",
+            "extend-shallow": "^2.0.1",
+            "fill-range": "^4.0.0",
+            "isobject": "^3.0.1",
+            "kind-of": "^6.0.2",
+            "repeat-element": "^1.1.2",
+            "snapdragon": "^0.8.1",
+            "snapdragon-node": "^2.0.1",
+            "split-string": "^3.0.2",
+            "to-regex": "^3.0.1"
           },
           "dependencies": {
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@@ -167,7 +167,7 @@
               "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
               "dev": true,
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+        "gitconfiglocal": "^1.0.0",
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-        "pinkie-promise": "2.0.1"
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-        "js-base64": "2.4.3",
-        "source-map": "0.5.6",
-        "supports-color": "3.2.3"
+        "chalk": "^1.1.3",
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-        "postcss-value-parser": "3.3.0"
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@@ -6075,7 +6100,7 @@
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+        "postcss": "^5.0.14",
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@@ -6103,8 +6128,8 @@
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-        "postcss-value-parser": "3.3.0"
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@@ -6124,7 +6149,7 @@
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@@ -6133,11 +6158,11 @@
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-        "postcss": "5.2.18",
-        "postcss-selector-parser": "2.2.3",
-        "vendors": "1.0.1"
+        "browserslist": "^1.5.2",
+        "caniuse-api": "^1.5.2",
+        "postcss": "^5.0.4",
+        "postcss-selector-parser": "^2.2.2",
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@@ -6152,9 +6177,9 @@
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-        "postcss-value-parser": "3.3.0"
+        "object-assign": "^4.0.1",
+        "postcss": "^5.0.4",
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@@ -6163,8 +6188,8 @@
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-        "postcss-value-parser": "3.3.0"
+        "postcss": "^5.0.12",
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@@ -6173,10 +6198,10 @@
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-        "postcss-value-parser": "3.3.0",
-        "uniqs": "2.0.0"
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+        "postcss": "^5.0.2",
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@@ -6185,10 +6210,10 @@
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-        "postcss": "5.2.18",
-        "postcss-selector-parser": "2.2.3"
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@@ -6197,7 +6222,7 @@
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@@ -6206,10 +6231,10 @@
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-        "normalize-url": "1.9.1",
-        "postcss": "5.2.18",
-        "postcss-value-parser": "3.3.0"
+        "is-absolute-url": "^2.0.0",
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+        "postcss": "^5.0.14",
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@@ -6218,8 +6243,8 @@
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+        "postcss": "^5.0.4",
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@@ -6228,8 +6253,8 @@
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+        "postcss": "^5.0.4",
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@@ -6238,7 +6263,7 @@
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       "dev": true,
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@@ -6247,9 +6272,9 @@
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-        "postcss-value-parser": "3.3.0"
+        "has": "^1.0.1",
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@@ -6258,9 +6283,9 @@
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-        "indexes-of": "1.0.1",
-        "uniq": "1.0.1"
+        "flatten": "^1.0.2",
+        "indexes-of": "^1.0.1",
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@@ -6269,10 +6294,10 @@
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-        "postcss": "5.2.18",
-        "postcss-value-parser": "3.3.0",
-        "svgo": "0.7.2"
+        "is-svg": "^2.0.0",
+        "postcss": "^5.0.14",
+        "postcss-value-parser": "^3.2.3",
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@@ -6281,9 +6306,9 @@
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-        "postcss": "5.2.18",
-        "uniqs": "2.0.0"
+        "alphanum-sort": "^1.0.1",
+        "postcss": "^5.0.4",
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@@ -6298,9 +6323,9 @@
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-        "postcss": "5.2.18",
-        "uniqs": "2.0.0"
+        "has": "^1.0.1",
+        "postcss": "^5.0.4",
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@@ -6322,11 +6347,11 @@
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-      "integrity": "sha1-+j4tntw8OIfB8fMJXUHx+bQgDw8=",
+      "version": "1.15.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.15.0.tgz",
+      "integrity": "sha512-Lf2JrFYx8FanHrjoV5oL8YHCclLQgbJcVZR+gikGGMqz6ub5QVWDTM6YIwm3BuPxM/LOV+rKns3LssXNLIf+DA==",
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@@ -6353,7 +6378,7 @@
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       "dev": true,
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+        "event-stream": "~3.3.0"
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@@ -6374,8 +6399,8 @@
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-        "strict-uri-encode": "1.1.0"
+        "object-assign": "^4.1.0",
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@@ -6384,8 +6409,8 @@
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-        "kind-of": "4.0.0"
+        "is-number": "^3.0.0",
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@@ -6394,7 +6419,7 @@
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@@ -6403,7 +6428,7 @@
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               "dev": true,
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+                "is-buffer": "^1.1.5"
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@@ -6414,7 +6439,7 @@
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@@ -6431,10 +6456,10 @@
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-        "minimist": "1.2.0",
-        "strip-json-comments": "2.0.1"
+        "deep-extend": "~0.4.0",
+        "ini": "~1.3.0",
+        "minimist": "^1.2.0",
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@@ -6451,7 +6476,7 @@
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-        "graceful-fs": "4.1.11"
+        "graceful-fs": "^4.1.2"
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@@ -6460,9 +6485,9 @@
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-        "normalize-package-data": "2.4.0",
-        "path-type": "1.1.0"
+        "load-json-file": "^1.0.0",
+        "normalize-package-data": "^2.3.2",
+        "path-type": "^1.0.0"
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@@ -6471,8 +6496,8 @@
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       "dev": true,
       "requires": {
-        "find-up": "1.1.2",
-        "read-pkg": "1.1.0"
+        "find-up": "^1.0.0",
+        "read-pkg": "^1.0.0"
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+            "kind-of": "^3.0.2"
           },
           "dependencies": {
             "kind-of": {
@@ -8001,7 +8026,7 @@
               "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
               "dev": true,
               "requires": {
-                "is-buffer": "1.1.5"
+                "is-buffer": "^1.1.5"
               }
             }
           }
@@ -8012,7 +8037,7 @@
           "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
           "dev": true,
           "requires": {
-            "kind-of": "3.2.2"
+            "kind-of": "^3.0.2"
           },
           "dependencies": {
             "kind-of": {
@@ -8021,7 +8046,7 @@
               "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
               "dev": true,
               "requires": {
-                "is-buffer": "1.1.5"
+                "is-buffer": "^1.1.5"
               }
             }
           }
@@ -8032,9 +8057,9 @@
           "integrity": "sha512-avDYr0SB3DwO9zsMov0gKCESFYqCnE4hq/4z3TdUlukEy5t9C0YRq7HLrsN52NAcqXKaepeCD0n+B0arnVG3Hg==",
           "dev": true,
           "requires": {
-            "is-accessor-descriptor": "0.1.6",
-            "is-data-descriptor": "0.1.4",
-            "kind-of": "5.1.0"
+            "is-accessor-descriptor": "^0.1.6",
+            "is-data-descriptor": "^0.1.4",
+            "kind-of": "^5.0.0"
           }
         },
         "isobject": {
@@ -8055,7 +8080,7 @@
           "integrity": "sha1-uRkKT5EzVGlIQIWfio9whNiCImQ=",
           "dev": true,
           "requires": {
-            "set-getter": "0.1.0"
+            "set-getter": "^0.1.0"
           }
         }
       }
@@ -8084,8 +8109,8 @@
       "integrity": "sha1-KAS6vnEq0zeUWaz74kdGqywwP7w=",
       "dev": true,
       "requires": {
-        "spdx-correct": "1.0.2",
-        "spdx-expression-parse": "1.0.4"
+        "spdx-correct": "~1.0.0",
+        "spdx-expression-parse": "~1.0.0"
       }
     },
     "vary": {
@@ -8112,7 +8137,7 @@
       "integrity": "sha1-8LDc+RW8X/FSivrbLA4XtTLaL+g=",
       "dev": true,
       "requires": {
-        "defaults": "1.0.3"
+        "defaults": "^1.0.3"
       }
     },
     "websocket-driver": {
@@ -8121,8 +8146,8 @@
       "integrity": "sha1-DK+dLXVdk67gSdS90NP+LMoqJOs=",
       "dev": true,
       "requires": {
-        "http-parser-js": "0.4.10",
-        "websocket-extensions": "0.1.3"
+        "http-parser-js": ">=0.4.0",
+        "websocket-extensions": ">=0.1.1"
       }
     },
     "websocket-extensions": {
@@ -8143,7 +8168,7 @@
       "integrity": "sha512-xcJpopdamTuY5duC/KnTTNBraPK54YwpenP4lzxU8H91GudWpFv38u0CKjclE1Wi2EH2EDz5LRcHcKbCIzqGyg==",
       "dev": true,
       "requires": {
-        "isexe": "2.0.0"
+        "isexe": "^2.0.0"
       }
     },
     "which-module": {
@@ -8158,7 +8183,7 @@
       "integrity": "sha512-ijDLlyQ7s6x1JgCLur53osjm/UXUYD9+0PbYKrBsYisYXzCxN+HC3mYDNy/dWdmf3AwqwU3CXwDCvsNgGK1S0w==",
       "dev": true,
       "requires": {
-        "string-width": "1.0.2"
+        "string-width": "^1.0.2"
       }
     },
     "window-size": {
@@ -8180,8 +8205,8 @@
       "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
       "dev": true,
       "requires": {
-        "string-width": "1.0.2",
-        "strip-ansi": "3.0.1"
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1"
       }
     },
     "wrappy": {
@@ -8196,7 +8221,7 @@
       "integrity": "sha1-X8A4KOJkzqP+kUVUdvejxWbLB1c=",
       "dev": true,
       "requires": {
-        "mkdirp": "0.5.1"
+        "mkdirp": "^0.5.1"
       }
     },
     "write-file-atomic": {
@@ -8205,9 +8230,9 @@
       "integrity": "sha512-xuPeK4OdjWqtfi59ylvVL0Yn35SF3zgcAcv7rBPFHVaEapaDr4GdGgm3j7ckTwH9wHL7fGmgfAnb0+THrHb8tA==",
       "dev": true,
       "requires": {
-        "graceful-fs": "4.1.11",
-        "imurmurhash": "0.1.4",
-        "signal-exit": "3.0.2"
+        "graceful-fs": "^4.1.11",
+        "imurmurhash": "^0.1.4",
+        "signal-exit": "^3.0.2"
       }
     },
     "write-json-file": {
@@ -8216,12 +8241,12 @@
       "integrity": "sha1-K2TIozAE1UuGmMdtWFp3zrYdoy8=",
       "dev": true,
       "requires": {
-        "detect-indent": "5.0.0",
-        "graceful-fs": "4.1.11",
-        "make-dir": "1.1.0",
-        "pify": "3.0.0",
-        "sort-keys": "2.0.0",
-        "write-file-atomic": "2.3.0"
+        "detect-indent": "^5.0.0",
+        "graceful-fs": "^4.1.2",
+        "make-dir": "^1.0.0",
+        "pify": "^3.0.0",
+        "sort-keys": "^2.0.0",
+        "write-file-atomic": "^2.0.0"
       },
       "dependencies": {
         "pify": {
@@ -8236,7 +8261,7 @@
           "integrity": "sha1-ZYU1WEhh7JfXMNbPQYIuH1ZoQSg=",
           "dev": true,
           "requires": {
-            "is-plain-obj": "1.1.0"
+            "is-plain-obj": "^1.0.0"
           }
         }
       }
@@ -8247,8 +8272,8 @@
       "integrity": "sha1-AwqZlMyZk9JbTnWp8aGSNgcpHOk=",
       "dev": true,
       "requires": {
-        "sort-keys": "2.0.0",
-        "write-json-file": "2.3.0"
+        "sort-keys": "^2.0.0",
+        "write-json-file": "^2.2.0"
       },
       "dependencies": {
         "sort-keys": {
@@ -8257,7 +8282,7 @@
           "integrity": "sha1-ZYU1WEhh7JfXMNbPQYIuH1ZoQSg=",
           "dev": true,
           "requires": {
-            "is-plain-obj": "1.1.0"
+            "is-plain-obj": "^1.0.0"
           }
         }
       }
@@ -8286,19 +8311,19 @@
       "integrity": "sha1-YpmpBVsc78lp/355wdkY3Osiw2A=",
       "dev": true,
       "requires": {
-        "camelcase": "4.1.0",
-        "cliui": "3.2.0",
-        "decamelize": "1.2.0",
-        "get-caller-file": "1.0.2",
-        "os-locale": "2.1.0",
-        "read-pkg-up": "2.0.0",
-        "require-directory": "2.1.1",
-        "require-main-filename": "1.0.1",
-        "set-blocking": "2.0.0",
-        "string-width": "2.1.1",
-        "which-module": "2.0.0",
-        "y18n": "3.2.1",
-        "yargs-parser": "7.0.0"
+        "camelcase": "^4.1.0",
+        "cliui": "^3.2.0",
+        "decamelize": "^1.1.1",
+        "get-caller-file": "^1.0.1",
+        "os-locale": "^2.0.0",
+        "read-pkg-up": "^2.0.0",
+        "require-directory": "^2.1.1",
+        "require-main-filename": "^1.0.1",
+        "set-blocking": "^2.0.0",
+        "string-width": "^2.0.0",
+        "which-module": "^2.0.0",
+        "y18n": "^3.2.1",
+        "yargs-parser": "^7.0.0"
       },
       "dependencies": {
         "ansi-regex": {
@@ -8319,9 +8344,9 @@
           "integrity": "sha1-EgYBU3qRbSmUD5NNo7SNWFo5IT0=",
           "dev": true,
           "requires": {
-            "string-width": "1.0.2",
-            "strip-ansi": "3.0.1",
-            "wrap-ansi": "2.1.0"
+            "string-width": "^1.0.1",
+            "strip-ansi": "^3.0.1",
+            "wrap-ansi": "^2.0.0"
           },
           "dependencies": {
             "string-width": {
@@ -8330,9 +8355,9 @@
               "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
               "dev": true,
               "requires": {
-                "code-point-at": "1.1.0",
-                "is-fullwidth-code-point": "1.0.0",
-                "strip-ansi": "3.0.1"
+                "code-point-at": "^1.0.0",
+                "is-fullwidth-code-point": "^1.0.0",
+                "strip-ansi": "^3.0.0"
               }
             }
           }
@@ -8343,7 +8368,7 @@
           "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
           "dev": true,
           "requires": {
-            "locate-path": "2.0.0"
+            "locate-path": "^2.0.0"
           }
         },
         "load-json-file": {
@@ -8352,10 +8377,10 @@
           "integrity": "sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=",
           "dev": true,
           "requires": {
-            "graceful-fs": "4.1.11",
-            "parse-json": "2.2.0",
-            "pify": "2.3.0",
-            "strip-bom": "3.0.0"
+            "graceful-fs": "^4.1.2",
+            "parse-json": "^2.2.0",
+            "pify": "^2.0.0",
+            "strip-bom": "^3.0.0"
           }
         },
         "path-type": {
@@ -8364,7 +8389,7 @@
           "integrity": "sha1-8BLMuEFbcJb8LaoQVMPXI4lZTHM=",
           "dev": true,
           "requires": {
-            "pify": "2.3.0"
+            "pify": "^2.0.0"
           }
         },
         "read-pkg": {
@@ -8373,9 +8398,9 @@
           "integrity": "sha1-jvHAYjxqbbDcZxPEv6xGMysjaPg=",
           "dev": true,
           "requires": {
-            "load-json-file": "2.0.0",
-            "normalize-package-data": "2.4.0",
-            "path-type": "2.0.0"
+            "load-json-file": "^2.0.0",
+            "normalize-package-data": "^2.3.2",
+            "path-type": "^2.0.0"
           }
         },
         "read-pkg-up": {
@@ -8384,8 +8409,8 @@
           "integrity": "sha1-a3KoBImE4MQeeVEP1en6mbO1Sb4=",
           "dev": true,
           "requires": {
-            "find-up": "2.1.0",
-            "read-pkg": "2.0.0"
+            "find-up": "^2.0.0",
+            "read-pkg": "^2.0.0"
           }
         },
         "string-width": {
@@ -8394,8 +8419,8 @@
           "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
           "dev": true,
           "requires": {
-            "is-fullwidth-code-point": "2.0.0",
-            "strip-ansi": "4.0.0"
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^4.0.0"
           },
           "dependencies": {
             "is-fullwidth-code-point": {
@@ -8410,7 +8435,7 @@
               "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
               "dev": true,
               "requires": {
-                "ansi-regex": "3.0.0"
+                "ansi-regex": "^3.0.0"
               }
             }
           }
@@ -8423,7 +8448,7 @@
       "integrity": "sha1-jQrELxbqVd69MyyvTEA4s+P139k=",
       "dev": true,
       "requires": {
-        "camelcase": "4.1.0"
+        "camelcase": "^4.1.0"
       },
       "dependencies": {
         "camelcase": {
diff --git a/package.json b/package.json
index 98a3c1d62..03b389b08 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "postinstall": "opencollective postinstall"
   },
   "dependencies": {
-    "marked": "^0.3.12",
+    "marked": "^0.5.1",
     "medium-zoom": "^0.4.0",
     "opencollective": "^1.0.3",
     "prismjs": "^1.9.0",