☰

GitHub file list beautifier

Adds colors to files by type, displays small images in place of file-type icons in a repository source tree

当前为 2017-12-07 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name        GitHub file list beautifier
  3. // @description Adds colors to files by type, displays small images in place of file-type icons in a repository source tree
  4. // @author      wOxxOm
  5. // @namespace   wOxxOm.scripts
  6. // @license     MIT License
  7. // @match       https://github.com/*
  8. // @version     3.0.4
  9. // @icon        https://octodex.github.com/images/murakamicat.png
  10. // @run-at      document-start
  11. // @grant       GM_getValue
  12. // @grant       GM_setValue
  13. // ==/UserScript==
  14.  
  15. /* jshint lastsemic:true, multistr:true, laxbreak:true, -W030, -W041, -W084 */
  16.  
  17. // Your changes will be remembered in script database even after a forced update of the script
  18. var config = userConfig({
  19. 	iconSize: 24,
  20. 	colorSeed1: 13,
  21. 	colorSeed2: 1299721,
  22. 	colorSeed3: 179426453,
  23. });
  24.  
  25. (document.head || document.documentElement).appendChild(document.createElement('style')).textContent =
  26. 	'<style id="wOxxOm-GHB">\
  27. 		.wOxxOm-image-icon {\
  28. 			max-width:' + config.iconSize + 'px; max-height:' + config.iconSize + 'px;\
  29. 			width:auto; height:auto; margin:auto;\
  30. 			position:absolute; left:0; top:0; right:0; bottom:0 }\
  31. 		.wOxxOm-image-td {\
  32. 			position:relative; padding:0; min-width:' + (config.iconSize+4) + 'px; line-height:inherit }\
  33. 		a[file-type=":folder"] { font-weight: bold }\
  34. 	</style>';
  35.  
  36. var filetypes = {};
  37. var styledom = document.getElementById('wOxxOm-GHB');
  38.  
  39. var filesdom = document.getElementsByTagName('table');
  40. var ob = new MutationObserver(GHBsentry);
  41.  
  42. document.addEventListener('DOMContentLoaded', function() { beautify(filesdom[0]) });
  43. beautify(filesdom[0]);
  44. lazyObserve();
  45.  
  46. function GHBsentry(mutations) {
  47. 	if (!/^\/[^\/]+\/[^\/]+(\/tree\/.*)?$/.test(location.pathname)) {
  48. 		ob.disconnect();
  49. 		lazyObserve();
  50. 		return;
  51. 	}
  52. 	if (mutations.length == 1 && !mutations[0].addedNodes.length || !filesdom[0])
  53. 		return;
  54. 	//console.log([].concat.apply([], mutations.map(m => [].slice.call(m.addedNodes))));
  55. 	for (var i=0, ml=mutations.length, m; i<ml && (m=mutations[i]); i++) {
  56. 		for (var j=0, added=m.addedNodes, nl=added.length, n; j<nl && (n=added[j]); j++) {
  57. 			if (n.nodeType != 3) {
  58. 				if (n.localName == 'a' && /\/(tree|blob)\//.test(n.href) && !n.hasAttribute('file-type')
  59. 				||  n.localName == 'div' && n.matches('.file-wrap, .new-discussion-timeline, .repo-file-upload-tree-target')
  60. 				) {
  61. 					var table = n.closest('table') || n.querySelector('table');
  62. 					if (table) {
  63. 						beautify(table);
  64. 						ob.disconnect();
  65. 						lazyObserve();
  66. 						break;
  67. 					}
  68. 				}
  69. 			}
  70. 		}
  71. 	}
  72. }
  73.  
  74. function lazyObserve() {
  75. 	// postpone observing until the parser can breathe after the initial burst of activity during page load
  76. 	setTimeout(function() {
  77. 		beautify(filesdom[0]);
  78. 		ob.observe(document, {subtree:true, childList:true});
  79. 	}, 0);
  80. }
  81.  
  82. function beautify(container, links) {
  83. 	if (!container && !links)
  84. 		return;
  85. 	//console.log(container.innerHTML);
  86. 	if (!links) {
  87. 		var table = container.localName == 'table' ? container : container.querySelector('table');
  88. 		if (!table)
  89. 			return;
  90. 		links = table.getElementsByClassName('js-navigation-open');
  91. 	}
  92.  
  93. 	for (var a, i=0, len=links.length; i<len && (a=links[i++]); ) {
  94. 		if (!a.href)
  95. 			continue;
  96. 		var tr = a.closest('tr');
  97. 		if (tr && tr.querySelector('.octicon-file-directory')) {
  98. 			a.setAttribute('file-type', ':folder');
  99. 			continue;
  100. 		}
  101.  
  102. 		var ext = a.href.match(/\.(\w+)$/);
  103. 		ext = ext && ext[1] || ':empty';
  104. 		a.setAttribute('file-type', ext);
  105. 		if (!filetypes[ext])
  106. 			addFileTypeStyle(ext);
  107.  
  108. 		if (/^(png|jpe?g|bmp|gif|cur|ico)$/.test(ext)) {
  109. 			var m = a.href.match(/github\.com\/(.+?\/)blob\/(.*)$/);
  110. 			if (!m)
  111. 				continue;
  112. 			var iconCell = a.closest('.js-navigation-item').querySelector('.icon');
  113. 			var icon = iconCell.querySelector('.octicon-file-text');
  114.  
  115. 			if (icon.style.display == 'none')
  116. 				continue;
  117. 			icon.style.display = 'none';
  118. 			icon.insertAdjacentHTML('afterend',
  119. 									'<img class="wOxxOm-image-icon" src="https://raw.githubusercontent.com/' + m[1] + m[2] + '">');
  120. 			iconCell.classList.add('wOxxOm-image-td');
  121. 		}
  122. 	}
  123. }
  124.  
  125. function addFileTypeStyle(type) {
  126. 	filetypes[type] = true;
  127. 	for (var hash=0, i=0, len=type.length; i<len; i++)
  128. 		hash = ((hash << 5) - hash) + type.charCodeAt(i);
  129. 	hash = Math.abs(hash*config.colorSeed1 |0);
  130. 	var color = 'a[file-type="' + type + '"] { color: hsl(' +
  131. 		(hash%360) + ',' +
  132. 		(hash*config.colorSeed2%50 + 50 |0) + '%,' +
  133. 		(hash*config.colorSeed3%15 + 25 |0) + '%) }';
  134. 	styledom.appendChild(document.createTextNode(color));
  135. }
  136.  
  137. function userConfig(params) {
  138. 	var def = {
  139. 		iconSize: 24,
  140. 		colorSeed1: 13,
  141. 		colorSeed2: 1299721,
  142. 		colorSeed3: 179426453,
  143. 	};
  144. 	Object.keys(params).forEach(function(k) {
  145. 		var saved = GM_getValue(k, def[k]);
  146. 		if (saved && saved != def[k])
  147. 			params[k] = saved;
  148. 	});
  149. 	return params;
  150. }