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v2exMarkdown

为v2ex而生的markdown渲染

当前为 2018-06-16 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         v2exMarkdown
  3. // @namespace    https://github.com/hundan2020/v2exMarkdown
  4. // @version      0.5
  5. // @description  为v2ex而生的markdown渲染
  6. // @author       hundan,ccsiyu
  7. // @match        https://*.v2ex.com/t/*
  8. // @require      https://cdn.staticfile.org/showdown/1.8.6/showdown.js
  9. // @require      https://cdn.staticfile.org/jquery/3.3.1/jquery.min.js
  10. // @grant        none
  11. // ==/UserScript==
  12.  
  13.  
  14. (function () {
  15. 	var preFix = function(rawReply){
  16. 		var fixedReply = rawReply;
  17. 		fixedReply = fixedReply.replace(/([^#]#|^#)(\d{1,3}\s)>/ig, '#'); // 避免楼层号加粗
  18. 		fixedReply = fixedReply.replace(/<a target="_blank" href="(\S+?)"><img src="(\S+?)" class="embedded_image"><\/a>/ig, '![]($2)'); // 正常显示的图片处理
  19. 		fixedReply = fixedReply.replace(/\s*@<a href="\/member\/(\S+?)">(\S+?)<\/a>/ig, '@[$1](/member/$2)'); // 论坛内@处理
  20. 		fixedReply = fixedReply.replace(/\s*<a target="_blank" href="(\S+?)" rel="nofollow">(\S+?)<\/a>\s*/ig, '$2'); // 链接处理
  21.         fixedReply = fixedReply.replace(/(\n)?<br *\/?>/ig, "\n"); // 换行处理，避免多行代码无法正常工作
  22.         fixedReply = fixedReply.replace(/&amp;/ig, '&'); // 实体转义回去，由showdown处理
  23.         fixedReply = fixedReply.replace(/&lt;/ig, '<');
  24.         fixedReply = fixedReply.replace(/&gt;/ig, '>');
  25. 		return fixedReply;
  26. 	}
  27.     var endFix = function(markedReply){
  28.         var fixedReply = markedReply;
  29.         fixedReply = fixedReply.replace(/\n/ig, '<br />');
  30.         fixedReply = fixedReply.replace(/(<\/ul>|<\/li>|<\/p>|<\/table>|<\/h\d>)\s*<br\s*\/?>/ig, '$1');
  31.         fixedReply = fixedReply.replace(/<br\s*\/?>(<li>|<ul>|<p>|<table>|<h\d>)/ig, '$1');
  32.         fixedReply = fixedReply.replace(/(<\/?table>|<\/?tbody>|<\/?thead>|<\/?tr>|<\/?th>|<\/?td>)<br\s*\/?>/ig, '$1');
  33.         fixedReply = fixedReply.replace(/(<br\s*\/?>\s*){2,}/ig, '<br />');
  34.         fixedReply = fixedReply.replace(/@\[(\S+)\]\(\/member\/\S+\)/ig, '@$1');
  35.         return fixedReply;
  36.     }
  37. 	var processMarkdown = function(){
  38. 		$("div.reply_content").each(function () {
  39. 			var reply = $(this)[0];
  40. 			var rawReply = reply.innerHTML;
  41. 			var converter = new showdown.Converter({
  42.                 omitExtraWLInCodeBlocks: true,
  43.                 parseImgDimensions: true,
  44.                 simplifiedAutoLink: true,
  45.                 literalMidWordUnderscores: true,
  46.                 strikethrough: true,
  47.                 tables: true,
  48.                 ghCodeBlocks: true,
  49.                 tasklists: true,
  50.                 smoothLivePreview: true,
  51.                 ghCompatibleHeaderId: true,
  52.                 encodeEmails: true,
  53.                 emoji: true
  54. 			});
  55. 			var markedReply = converter.makeHtml(preFix(rawReply));
  56. 			reply.innerHTML = endFix(markedReply);
  57. 		});
  58. 	}
  59. 	processMarkdown();
  60.     console.log("\n\n\n Thanks for using my script~\n\n\n\n");
  61. })();