(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.toMarkdown = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o -1) { newDoc.documentElement.innerHTML = string; } else { newDoc.body.innerHTML = string; } return newDoc; }; return Parser; } var HtmlParser = canParseHtml() ? _window.DOMParser : createHtmlParser(); function htmlToDom(string) { var tree = new HtmlParser().parseFromString(string, 'text/html'); collapse(tree, isBlock); return tree; } /* * Flattens DOM tree into single array */ function bfsOrder(node) { var inqueue = [node], outqueue = [], elem, children, i; while (inqueue.length > 0) { elem = inqueue.shift(); outqueue.push(elem); children = elem.childNodes; for (i = 0 ; i < children.length; i++) { if (children[i].nodeType === 1) { inqueue.push(children[i]); } } } outqueue.shift(); return outqueue; } /* * Contructs a Markdown string of replacement text for a given node */ function getContent(node) { var text = ''; for (var i = 0; i < node.childNodes.length; i++) { if (node.childNodes[i].nodeType === 1) { text += node.childNodes[i]._replacement; } else if (node.childNodes[i].nodeType === 3) { text += node.childNodes[i].data; } else { continue; } } return text; } /* * Returns the HTML string of an element with its contents converted */ function outer(node, content) { return node.cloneNode(false).outerHTML.replace('><', '>'+ content +'<'); } function canConvert(node, filter) { if (typeof filter === 'string') { return filter === node.nodeName.toLowerCase(); } if (Array.isArray(filter)) { return filter.indexOf(node.nodeName.toLowerCase()) !== -1; } else if (typeof filter === 'function') { return filter.call(toMarkdown, node); } else { throw new TypeError('`filter` needs to be a string, array, or function'); } } function isFlankedByWhitespace(side, node) { var sibling, regExp, isFlanked; if (side === 'left') { sibling = node.previousSibling; regExp = / $/; } else { sibling = node.nextSibling; regExp = /^ /; } if (sibling) { if (sibling.nodeType === 3) { isFlanked = regExp.test(sibling.nodeValue); } else if(sibling.nodeType === 1 && !isBlock(sibling)) { isFlanked = regExp.test(sibling.textContent); } } return isFlanked; } function flankingWhitespace(node) { var leading = '', trailing = ''; if (!isBlock(node)) { var hasLeading = /^[ \r\n\t]/.test(node.innerHTML), hasTrailing = /[ \r\n\t]$/.test(node.innerHTML); if (hasLeading && !isFlankedByWhitespace('left', node)) { leading = ' '; } if (hasTrailing && !isFlankedByWhitespace('right', node)) { trailing = ' '; } } return { leading: leading, trailing: trailing }; } /* * Finds a Markdown converter, gets the replacement, and sets it on * `_replacement` */ function process(node) { var replacement, content = getContent(node); // Remove blank nodes if (!isVoid(node) && !/A/.test(node.nodeName) && /^\s*$/i.test(content)) { node._replacement = ''; return; } for (var i = 0; i < converters.length; i++) { var converter = converters[i]; if (canConvert(node, converter.filter)) { if (typeof converter.replacement !== 'function') { throw new TypeError( '`replacement` needs to be a function that returns a string' ); } var whitespace = flankingWhitespace(node); if (whitespace.leading || whitespace.trailing) { content = trim(content); } replacement = whitespace.leading + converter.replacement.call(toMarkdown, content, node) + whitespace.trailing; break; } } node._replacement = replacement; } toMarkdown = function (input, options) { options = options || {}; if (typeof input !== 'string') { throw new TypeError(input + ' is not a string'); } // Escape potential ol triggers input = input.replace(/(\d+)\. /g, '$1\\. '); var clone = htmlToDom(input).body, nodes = bfsOrder(clone), output; converters = mdConverters.slice(0); if (options.gfm) { converters = gfmConverters.concat(converters); } if (options.converters) { converters = options.converters.concat(converters); } // Process through nodes in reverse (so deepest child elements are first). for (var i = nodes.length - 1; i >= 0; i--) { process(nodes[i]); } output = getContent(clone); return output.replace(/^[\t\r\n]+|[\t\r\n\s]+$/g, '') .replace(/\n\s+\n/g, '\n\n') .replace(/\n{3,}/g, '\n\n'); }; toMarkdown.isBlock = isBlock; toMarkdown.isVoid = isVoid; toMarkdown.trim = trim; toMarkdown.outer = outer; module.exports = toMarkdown; },{"./lib/gfm-converters":2,"./lib/md-converters":3,"collapse-whitespace":4,"jsdom":7}],2:[function(require,module,exports){ 'use strict'; function cell(content, node) { var index = Array.prototype.indexOf.call(node.parentNode.childNodes, node); var prefix = ' '; if (index === 0) { prefix = '| '; } return prefix + content + ' |'; } var highlightRegEx = /highlight highlight-(\S+)/; module.exports = [ { filter: 'br', replacement: function () { return '\n'; } }, { filter: ['del', 's', 'strike'], replacement: function (content) { return '~~' + content + '~~'; } }, { filter: function (node) { return node.type === 'checkbox' && node.parentNode.nodeName === 'LI'; }, replacement: function (content, node) { return (node.checked ? '[x]' : '[ ]') + ' '; } }, { filter: ['th', 'td'], replacement: function (content, node) { return cell(content, node); } }, { filter: 'tr', replacement: function (content, node) { var borderCells = ''; var alignMap = { left: ':--', right: '--:', center: ':-:' }; if (node.parentNode.nodeName === 'THEAD') { for (var i = 0; i < node.childNodes.length; i++) { var align = node.childNodes[i].attributes.align; var border = '---'; if (align) { border = alignMap[align.value] || border; } borderCells += cell(border, node.childNodes[i]); } } return '\n' + content + (borderCells ? '\n' + borderCells : ''); } }, { filter: 'table', replacement: function (content) { return '\n\n' + content + '\n\n'; } }, { filter: ['thead', 'tbody', 'tfoot'], replacement: function (content) { return content; } }, // Fenced code blocks { filter: function (node) { return node.nodeName === 'PRE' && node.firstChild && node.firstChild.nodeName === 'CODE'; }, replacement: function(content, node) { return '\n\n```\n' + node.firstChild.textContent + '\n```\n\n'; } }, // Syntax-highlighted code blocks { filter: function (node) { return node.nodeName === 'PRE' && node.parentNode.nodeName === 'DIV' && highlightRegEx.test(node.parentNode.className); }, replacement: function (content, node) { var language = node.parentNode.className.match(highlightRegEx)[1]; return '\n\n```' + language + '\n' + node.textContent + '\n```\n\n'; } }, { filter: function (node) { return node.nodeName === 'DIV' && highlightRegEx.test(node.className); }, replacement: function (content) { return '\n\n' + content + '\n\n'; } } ]; },{}],3:[function(require,module,exports){ 'use strict'; module.exports = [ { filter: 'p', replacement: function (content) { return '\n\n' + content + '\n\n'; } }, { filter: 'br', replacement: function () { return ' \n'; } }, { filter: ['h1', 'h2', 'h3', 'h4','h5', 'h6'], replacement: function(content, node) { var hLevel = node.nodeName.charAt(1); var hPrefix = ''; for(var i = 0; i < hLevel; i++) { hPrefix += '#'; } return '\n\n' + hPrefix + ' ' + content + '\n\n'; } }, { filter: 'hr', replacement: function () { return '\n\n* * *\n\n'; } }, { filter: ['em', 'i'], replacement: function (content) { return '_' + content + '_'; } }, { filter: ['strong', 'b'], replacement: function (content) { return '**' + content + '**'; } }, // Inline code { filter: function (node) { var hasSiblings = node.previousSibling || node.nextSibling; var isCodeBlock = node.parentNode.nodeName === 'PRE' && !hasSiblings; return node.nodeName === 'CODE' && !isCodeBlock; }, replacement: function(content) { return '`' + content + '`'; } }, { filter: function (node) { return node.nodeName === 'A' && node.getAttribute('href'); }, replacement: function(content, node) { var titlePart = node.title ? ' "'+ node.title +'"' : ''; return '[' + content + '](' + node.getAttribute('href') + titlePart + ')'; } }, { filter: 'img', replacement: function(content, node) { var alt = node.alt || ''; var src = node.getAttribute('src') || ''; var title = node.title || ''; var titlePart = title ? ' "'+ title +'"' : ''; return src ? '![' + alt + ']' + '(' + src + titlePart + ')' : ''; } }, // Code blocks { filter: function (node) { return node.nodeName === 'PRE' && node.firstChild.nodeName === 'CODE'; }, replacement: function(content, node) { return '\n\n ' + node.firstChild.textContent.replace(/\n/g, '\n ') + '\n\n'; } }, { filter: 'blockquote', replacement: function (content) { content = this.trim(content); content = content.replace(/\n{3,}/g, '\n\n'); content = content.replace(/^/gm, '> '); return '\n\n' + content + '\n\n'; } }, { filter: 'li', replacement: function (content, node) { content = content.replace(/^\s+/, '').replace(/\n/gm, '\n '); var prefix = '* '; var parent = node.parentNode; var index = Array.prototype.indexOf.call(parent.children, node) + 1; prefix = /ol/i.test(parent.nodeName) ? index + '. ' : '* '; return prefix + content; } }, { filter: ['ul', 'ol'], replacement: function (content, node) { var strings = []; for (var i = 0; i < node.childNodes.length; i++) { strings.push(node.childNodes[i]._replacement); } if (/li/i.test(node.parentNode.nodeName)) { return '\n' + strings.join('\n'); } return '\n\n' + strings.join('\n') + '\n\n'; } }, { filter: function (node) { return this.isBlock(node); }, replacement: function (content, node) { return '\n\n' + this.outer(node, content) + '\n\n'; } }, // Anything else! { filter: function () { return true; }, replacement: function (content, node) { return this.outer(node, content); } } ]; },{}],4:[function(require,module,exports){ 'use strict'; var voidElements = require('void-elements'); Object.keys(voidElements).forEach(function (name) { voidElements[name.toUpperCase()] = 1; }); var blockElements = {}; require('block-elements').forEach(function (name) { blockElements[name.toUpperCase()] = 1; }); /** * isBlockElem(node) determines if the given node is a block element. * * @param {Node} node * @return {Boolean} */ function isBlockElem(node) { return !!(node && blockElements[node.nodeName]); } /** * isVoid(node) determines if the given node is a void element. * * @param {Node} node * @return {Boolean} */ function isVoid(node) { return !!(node && voidElements[node.nodeName]); } /** * whitespace(elem [, isBlock]) removes extraneous whitespace from an * the given element. The function isBlock may optionally be passed in * to determine whether or not an element is a block element; if none * is provided, defaults to using the list of block elements provided * by the `block-elements` module. * * @param {Node} elem * @param {Function} blockTest */ function collapseWhitespace(elem, isBlock) { if (!elem.firstChild || elem.nodeName === 'PRE') return; if (typeof isBlock !== 'function') { isBlock = isBlockElem; } var prevText = null; var prevVoid = false; var prev = null; var node = next(prev, elem); while (node !== elem) { if (node.nodeType === 3) { // Node.TEXT_NODE var text = node.data.replace(/[ \r\n\t]+/g, ' '); if ((!prevText || / $/.test(prevText.data)) && !prevVoid && text[0] === ' ') { text = text.substr(1); } // `text` might be empty at this point. if (!text) { node = remove(node); continue; } node.data = text; prevText = node; } else if (node.nodeType === 1) { // Node.ELEMENT_NODE if (isBlock(node) || node.nodeName === 'BR') { if (prevText) { prevText.data = prevText.data.replace(/ $/, ''); } prevText = null; prevVoid = false; } else if (isVoid(node)) { // Avoid trimming space around non-block, non-BR void elements. prevText = null; prevVoid = true; } } else { node = remove(node); continue; } var nextNode = next(prev, node); prev = node; node = nextNode; } if (prevText) { prevText.data = prevText.data.replace(/ $/, ''); if (!prevText.data) { remove(prevText); } } } /** * remove(node) removes the given node from the DOM and returns the * next node in the sequence. * * @param {Node} node * @return {Node} node */ function remove(node) { var next = node.nextSibling || node.parentNode; node.parentNode.removeChild(node); return next; } /** * next(prev, current) returns the next node in the sequence, given the * current and previous nodes. * * @param {Node} prev * @param {Node} current * @return {Node} */ function next(prev, current) { if (prev && prev.parentNode === current || current.nodeName === 'PRE') { return current.nextSibling || current.parentNode; } return current.firstChild || current.nextSibling || current.parentNode; } module.exports = collapseWhitespace; },{"block-elements":5,"void-elements":6}],5:[function(require,module,exports){ /** * This file automatically generated from `build.js`. * Do not manually edit. */ module.exports = [ "address", "article", "aside", "audio", "blockquote", "canvas", "dd", "div", "dl", "fieldset", "figcaption", "figure", "footer", "form", "h1", "h2", "h3", "h4", "h5", "h6", "header", "hgroup", "hr", "main", "nav", "noscript", "ol", "output", "p", "pre", "section", "table", "tfoot", "ul", "video" ]; },{}],6:[function(require,module,exports){ /** * This file automatically generated from `pre-publish.js`. * Do not manually edit. */ module.exports = { "area": true, "base": true, "br": true, "col": true, "embed": true, "hr": true, "img": true, "input": true, "keygen": true, "link": true, "menuitem": true, "meta": true, "param": true, "source": true, "track": true, "wbr": true }; },{}],7:[function(require,module,exports){ },{}]},{},[1])(1) });