876 lines
24 KiB
JavaScript
876 lines
24 KiB
JavaScript
(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<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
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/*
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* to-markdown - https://github.com/LCTT/LCTT-Helper/blob/master/js/to-markdown.js
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*
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* Copyright 2011+, Dom Christie
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* Licenced under the MIT licence
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*
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*/
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'use strict'
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var toMarkdown
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var converters
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var mdConverters = require('./lib/md-converters')
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var gfmConverters = require('./lib/gfm-converters')
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var HtmlParser = require('./lib/html-parser')
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var collapse = require('collapse-whitespace')
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/*
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* Utilities
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*/
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var blocks = ['address', 'article', 'aside', 'audio', 'blockquote', 'body',
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'canvas', 'center', 'dd', 'dir', 'div', 'dl', 'dt', 'fieldset', 'figcaption',
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'figure', 'footer', 'form', 'frameset', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'h7',
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'header', 'hgroup', 'hr', 'html', 'isindex', 'li', 'main', 'menu', 'nav',
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'noframes', 'noscript', 'ol', 'output', 'p', 'pre', 'section', 'table',
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'tbody', 'td', 'tfoot', 'th', 'thead', 'tr', 'ul'
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]
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function isBlock (node) {
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return blocks.indexOf(node.nodeName.toLowerCase()) !== -1
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}
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var voids = [
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'area', 'base', 'br', 'col', 'command', 'embed', 'hr', 'img', 'input',
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'keygen', 'link', 'meta', 'param', 'source', 'track', 'wbr'
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]
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function isVoid (node) {
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return voids.indexOf(node.nodeName.toLowerCase()) !== -1
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}
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function htmlToDom (string) {
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var tree = new HtmlParser().parseFromString(string, 'text/html')
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collapse(tree.documentElement, isBlock)
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return tree
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}
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/*
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* Flattens DOM tree into single array
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*/
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function bfsOrder (node) {
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var inqueue = [node]
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var outqueue = []
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var elem
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var children
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var i
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while (inqueue.length > 0) {
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elem = inqueue.shift()
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outqueue.push(elem)
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children = elem.childNodes
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for (i = children.length - 1; i >= 0; i--) {
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if (children[i].nodeType === 1) inqueue.push(children[i])
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}
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}
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outqueue.shift()
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return outqueue
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}
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/*
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* Contructs a Markdown string of replacement text for a given node
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*/
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function getContent (node) {
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var text = ''
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for (var i = 0; i < node.childNodes.length; i++) {
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if (node.childNodes[i].nodeType === 1) {
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text += node.childNodes[i]._replacement
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} else if (node.childNodes[i].nodeType === 3) {
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text += node.childNodes[i].data
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} else continue
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}
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return text
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}
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/*
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* Returns the HTML string of an element with its contents converted
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*/
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function outer (node, content) {
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return node.cloneNode(false).outerHTML.replace('><', '>' + content + '<')
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}
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function canConvert (node, filter) {
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if (typeof filter === 'string') {
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return filter === node.nodeName.toLowerCase()
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}
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if (Array.isArray(filter)) {
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return filter.indexOf(node.nodeName.toLowerCase()) !== -1
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} else if (typeof filter === 'function') {
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return filter.call(toMarkdown, node)
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} else {
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throw new TypeError('`filter` needs to be a string, array, or function')
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}
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}
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function isFlankedByWhitespace (side, node) {
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var sibling
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var regExp
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var isFlanked
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if (side === 'left') {
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sibling = node.previousSibling
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regExp = / $/
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} else {
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sibling = node.nextSibling
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regExp = /^ /
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}
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if (sibling) {
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if (sibling.nodeType === 3) {
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isFlanked = regExp.test(sibling.nodeValue)
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} else if (sibling.nodeType === 1 && !isBlock(sibling)) {
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isFlanked = regExp.test(sibling.textContent)
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}
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}
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return isFlanked
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}
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function flankingWhitespace (node, content) {
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var leading = ''
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var trailing = ''
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if (!isBlock(node)) {
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var hasLeading = /^[ \r\n\t]/.test(content)
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var hasTrailing = /[ \r\n\t]$/.test(content)
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if (hasLeading && !isFlankedByWhitespace('left', node)) {
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leading = ' '
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}
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if (hasTrailing && !isFlankedByWhitespace('right', node)) {
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trailing = ' '
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}
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}
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return { leading: leading, trailing: trailing }
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}
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/*
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* Finds a Markdown converter, gets the replacement, and sets it on
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* `_replacement`
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*/
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function process (node) {
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var replacement
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var content = getContent(node)
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// Remove blank nodes
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if (!isVoid(node) && !/A|TH|TD/.test(node.nodeName) && /^\s*$/i.test(content)) {
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node._replacement = ''
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return
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}
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for (var i = 0; i < converters.length; i++) {
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var converter = converters[i]
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if (canConvert(node, converter.filter)) {
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if (typeof converter.replacement !== 'function') {
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throw new TypeError(
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'`replacement` needs to be a function that returns a string'
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)
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}
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var whitespace = flankingWhitespace(node, content)
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if (whitespace.leading || whitespace.trailing) {
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content = content.trim()
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}
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replacement = whitespace.leading +
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converter.replacement.call(toMarkdown, content, node) +
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whitespace.trailing
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break
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}
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}
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node._replacement = replacement
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}
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toMarkdown = function (input, options) {
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options = options || {}
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if (typeof input !== 'string') {
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throw new TypeError(input + ' is not a string')
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}
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if (input === '') {
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return ''
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}
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// Escape potential ol triggers
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input = input.replace(/(\d+)\. /g, '$1\\. ')
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var clone = htmlToDom(input).body
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var nodes = bfsOrder(clone)
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var output
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converters = mdConverters.slice(0)
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if (options.gfm) {
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converters = gfmConverters.concat(converters)
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}
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if (options.converters) {
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converters = options.converters.concat(converters)
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}
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// Process through nodes in reverse (so deepest child elements are first).
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for (var i = nodes.length - 1; i >= 0; i--) {
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process(nodes[i])
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}
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output = getContent(clone)
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return output.replace(/^[\t\r\n]+|[\t\r\n\s]+$/g, '')
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.replace(/\n\s+\n/g, '\n\n')
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.replace(/\n{3,}/g, '\n\n')
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}
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toMarkdown.isBlock = isBlock
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toMarkdown.isVoid = isVoid
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toMarkdown.outer = outer
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module.exports = toMarkdown
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},{"./lib/gfm-converters":2,"./lib/html-parser":3,"./lib/md-converters":4,"collapse-whitespace":6}],2:[function(require,module,exports){
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'use strict'
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function cell (content, node) {
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var index = Array.prototype.indexOf.call(node.parentNode.childNodes, node)
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var prefix = ' '
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if (index === 0) prefix = '| '
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return prefix + content + ' |'
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}
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var highlightRegEx = /highlight highlight-(\S+)/
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module.exports = [
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{
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filter: 'br',
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replacement: function () {
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return '\n'
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}
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},
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{
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filter: ['del', 's', 'strike'],
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replacement: function (content) {
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return '~~' + content + '~~'
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}
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},
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{
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filter: function (node) {
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return node.type === 'checkbox' && node.parentNode.nodeName === 'LI'
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},
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replacement: function (content, node) {
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return (node.checked ? '[x]' : '[ ]') + ' '
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}
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},
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{
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filter: ['th', 'td'],
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replacement: function (content, node) {
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return cell(content, node)
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}
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},
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{
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filter: 'tr',
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replacement: function (content, node) {
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var borderCells = ''
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var alignMap = { left: ':--', right: '--:', center: ':-:' }
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if (node.parentNode.nodeName === 'THEAD') {
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for (var i = 0; i < node.childNodes.length; i++) {
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var align = node.childNodes[i].attributes.align
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var border = '---'
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if (align) border = alignMap[align.value] || border
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borderCells += cell(border, node.childNodes[i])
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}
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}
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return '\n' + content + (borderCells ? '\n' + borderCells : '')
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}
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},
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{
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filter: 'table',
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replacement: function (content) {
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return '\n\n' + content + '\n\n'
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}
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},
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{
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filter: ['thead', 'tbody', 'tfoot'],
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replacement: function (content) {
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return content
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}
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},
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// Fenced code blocks
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{
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filter: function (node) {
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return node.nodeName === 'PRE' &&
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node.firstChild &&
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node.firstChild.nodeName === 'CODE'
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},
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replacement: function (content, node) {
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return '\n\n```\n' + node.firstChild.textContent + '\n```\n\n'
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}
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},
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// Syntax-highlighted code blocks
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{
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filter: function (node) {
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return node.nodeName === 'PRE' &&
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node.parentNode.nodeName === 'DIV' &&
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highlightRegEx.test(node.parentNode.className)
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},
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replacement: function (content, node) {
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var language = node.parentNode.className.match(highlightRegEx)[1]
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return '\n\n```' + language + '\n' + node.textContent + '\n```\n\n'
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}
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},
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{
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filter: function (node) {
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return node.nodeName === 'DIV' &&
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highlightRegEx.test(node.className)
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},
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replacement: function (content) {
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return '\n\n' + content + '\n\n'
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}
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}
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]
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},{}],3:[function(require,module,exports){
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/*
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* Set up window for Node.js
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*/
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var _window = (typeof window !== 'undefined' ? window : this)
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/*
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* Parsing HTML strings
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*/
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function canParseHtmlNatively () {
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var Parser = _window.DOMParser
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var canParse = false
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// Adapted from https://gist.github.com/1129031
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// Firefox/Opera/IE throw errors on unsupported types
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try {
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// WebKit returns null on unsupported types
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if (new Parser().parseFromString('', 'text/html')) {
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canParse = true
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}
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} catch (e) {}
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return canParse
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}
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function createHtmlParser () {
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var Parser = function () {}
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// For Node.js environments
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if (typeof document === 'undefined') {
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var jsdom = require('jsdom')
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Parser.prototype.parseFromString = function (string) {
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return jsdom.jsdom(string, {
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features: {
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FetchExternalResources: [],
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ProcessExternalResources: false
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}
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})
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}
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} else {
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if (!shouldUseActiveX()) {
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Parser.prototype.parseFromString = function (string) {
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var doc = document.implementation.createHTMLDocument('')
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doc.open()
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doc.write(string)
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doc.close()
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return doc
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}
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} else {
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Parser.prototype.parseFromString = function (string) {
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var doc = new window.ActiveXObject('htmlfile')
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doc.designMode = 'on' // disable on-page scripts
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doc.open()
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doc.write(string)
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doc.close()
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return doc
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}
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}
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}
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return Parser
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}
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function shouldUseActiveX () {
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var useActiveX = false
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try {
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document.implementation.createHTMLDocument('').open()
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} catch (e) {
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if (window.ActiveXObject) useActiveX = true
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}
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return useActiveX
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}
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module.exports = canParseHtmlNatively() ? _window.DOMParser : createHtmlParser()
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},{"jsdom":8}],4:[function(require,module,exports){
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'use strict'
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module.exports = [
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// P标签处理
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{
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filter: 'p',
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replacement: function (content, node) {
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var attrClass = node.getAttribute('class') || ''
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if (attrClass === 'command') {
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if (!content.endsWith('\n')) {
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content += '\n'
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}
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return '\n```\n' + content + '```\n'
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} else {
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return '\n\n' + content + '\n\n'
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}
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}
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},
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// BR 标签处理
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{
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filter: 'br',
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replacement: function () {
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return ' \n'
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}
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},
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// H1 处理
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{
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filter: 'h1',
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replacement: function (content, node) {
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if (typeof titleLock === "undefined") {
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var titleLock = false;
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}
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if (!titleLock) {
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titleLock = true;
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return content + "\n" + "=".repeat(60);
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}
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else {
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return '\n\n' + '# ' + content + '\n\n'
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}
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}
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},
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// H2-H7 标签处理
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{
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filter: ['h2', 'h3', 'h4', 'h5', 'h6', 'h7'],
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replacement: function (content, node) {
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var hLevel = node.nodeName.charAt(1)
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var hPrefix = '##'
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hLevel = hLevel - 2
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for (var i = 0; i < hLevel; i++) {
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hPrefix += '#'
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}
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return '\n\n' + hPrefix + ' ' + content + '\n\n'
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}
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},
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// HR 标签处理
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{
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filter: 'hr',
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replacement: function () {
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return '\n\n* * *\n\n'
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}
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},
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// em i 斜体处理
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{
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filter: ['em', 'i'],
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replacement: function (content) {
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return ' _' + content + '_ '
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}
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},
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// Strong b 粗体处理
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{
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filter: ['strong', 'b'],
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replacement: function (content) {
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return '**' + content + '**'
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}
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},
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// Inline code
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||
{
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filter: function (node) {
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var hasSiblings = node.previousSibling || node.nextSibling
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||
var isCodeBlock = node.parentNode.nodeName === 'PRE' && !hasSiblings
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||
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return node.nodeName === 'CODE' && !isCodeBlock
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||
},
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replacement: function (content) {
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return '`' + content + '`'
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}
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},
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// A 标签处理
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{
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filter: function (node) {
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return node.nodeName === 'A' && node.getAttribute('href')
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},
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replacement: function (content, node) {
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return '[' + content + '](' + node.getAttribute('href') + ')'
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}
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},
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// 特殊情况下的A标签处理
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{
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filter: function (node) {
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return node.nodeName === 'A' && node.getAttribute('style')
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},
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replacement: function (content, node) {
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return content
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}
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},
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// IMG 标签处理
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{
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filter: 'img',
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replacement: function (content, node) {
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var alt = node.alt || ''
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var src = node.getAttribute('src') || ''
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var title = node.title || ''
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var titlePart = title ? ' "' + title + '"' : ''
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return src ? '\n![' + alt + ']' + '(' + src + titlePart + ')\n' : ''
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}
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},
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// 代码块处理
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{
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filter: 'pre',
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replacement: function (content, node) {
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let contentText = node.innerText
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||
if (!contentText.endsWith('\n')) {
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contentText += '\n'
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}
|
||
return '\n```\n' + contentText + '```\n'
|
||
}
|
||
},
|
||
// 行内代码处理
|
||
{
|
||
filter: 'code',
|
||
replacement: function (content, node) {
|
||
return '`' + content + '`'
|
||
}
|
||
},
|
||
// IFrame 提醒
|
||
{
|
||
filter: 'iframe',
|
||
replacement: function (content, node) {
|
||
console.log(node);
|
||
console.log(content);
|
||
return '\n ** 此处有iframe,请手动处理 ** \n'
|
||
}
|
||
},
|
||
// Canvas 提醒
|
||
{
|
||
filter: 'canvas',
|
||
replacement: function (content, node) {
|
||
return '\n ** 此处有Canvas,请手动处理 ** \n'
|
||
}
|
||
},
|
||
// div 处理
|
||
{
|
||
filter: 'div',
|
||
replacement: function (content, node) {
|
||
var attrClass = node.getAttribute('class') || ''
|
||
if (attrClass === 'code') {
|
||
if (!content.endsWith('\n')) {
|
||
content += '\n'
|
||
}
|
||
return '\n```\n' + content + '```\n'
|
||
} else {
|
||
return content
|
||
}
|
||
}
|
||
},
|
||
{
|
||
'filter': 'textarea',
|
||
replacement: function (content, node) {
|
||
return ''
|
||
}
|
||
},
|
||
// 直接返回内容的标签
|
||
{
|
||
filter: ['figure', 'span', 'small', 'section', 'font', 'asymspc', 'button', 'article', 'figcaption'],
|
||
replacement: function (content) {
|
||
return content
|
||
}
|
||
},
|
||
// 引用
|
||
{
|
||
filter: 'blockquote',
|
||
replacement: function (content) {
|
||
content = content.trim()
|
||
content = content.replace(/\n{3,}/g, '\n\n')
|
||
content = content.replace(/^/gm, '> ')
|
||
return '\n\n' + content + '\n\n'
|
||
}
|
||
},
|
||
// 列表项
|
||
{
|
||
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 + '\n'
|
||
}
|
||
},
|
||
// 有序／无序列表
|
||
{
|
||
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'
|
||
}
|
||
},
|
||
// 判断是否是block，如果是block，前后加空行
|
||
{
|
||
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)
|
||
}
|
||
}
|
||
]
|
||
|
||
},{}],5:[function(require,module,exports){
|
||
/**
|
||
* This file automatically generated from `build.js`.
|
||
* Do not manually edit.
|
||
*/
|
||
|
||
module.exports = [
|
||
"address",
|
||
"article",
|
||
"aside",
|
||
"blockquote",
|
||
"canvas",
|
||
"dd",
|
||
"div",
|
||
"dl",
|
||
"dt",
|
||
"fieldset",
|
||
"figcaption",
|
||
"figure",
|
||
"footer",
|
||
"form",
|
||
"h1",
|
||
"h2",
|
||
"h3",
|
||
"h4",
|
||
"h5",
|
||
"h6",
|
||
"h7",
|
||
"header",
|
||
"hgroup",
|
||
"hr",
|
||
"li",
|
||
"main",
|
||
"nav",
|
||
"noscript",
|
||
"ol",
|
||
"output",
|
||
"p",
|
||
"pre",
|
||
"section",
|
||
"table",
|
||
"tfoot",
|
||
"ul",
|
||
"video"
|
||
];
|
||
|
||
},{}],6:[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":7}],7:[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
|
||
};
|
||
|
||
},{}],8:[function(require,module,exports){
|
||
|
||
},{}]},{},[1])(1)
|
||
}); |