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GitHub Remove Diff Signs

A userscript that removes the "+" and "-" from code diffs

当前为 2016-12-29 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name          GitHub Remove Diff Signs
  3. // @version       1.0.2
  4. // @description   A userscript that removes the "+" and "-" from code diffs
  5. // @license       https://creativecommons.org/licenses/by-sa/4.0/
  6. // @namespace     http://github.com/Mottie
  7. // @include       https://github.com/*
  8. // @grant         none
  9. // @run-at        document-idle
  10. // @author        Rob Garrison
  11. // ==/UserScript==
  12. /* jshint unused:true, esnext:true */
  13. (function() {
  14. 	"use strict";
  15.  
  16. 	let targets,
  17. 		busy = false;
  18.  
  19. 	function processDiff() {
  20. 		busy = true;
  21. 		if (document.querySelector(".highlight")) {
  22. 			let indx = 0,
  23.  
  24. 				els = document.querySelectorAll(".blob-code-deletion .blob-code-inner, .blob-code-addition .blob-code-inner"),
  25. 				len = els.length,
  26.  
  27. 				// target "+" and "-" at start
  28. 				regex = /^[+-]/,
  29.  
  30. 				// loop with delay to allow user interaction
  31. 				loop = function() {
  32. 					let el, txt,
  33. 						// max number of DOM insertions per loop
  34. 						max = 0;
  35. 					while ( max < 20 && indx < len ) {
  36. 						if (indx >= len) {
  37. 							return;
  38. 						}
  39. 						el = els[indx];
  40. 						txt = el.childNodes[0].textContent;
  41. 						el.childNodes[0].textContent = txt.replace(regex, " ");
  42. 						max++;
  43. 						indx++;
  44. 					}
  45. 					if (indx < len) {
  46. 						setTimeout(function(){
  47. 							loop();
  48. 						}, 200);
  49. 					}
  50. 				};
  51. 			loop();
  52. 		}
  53. 		busy = false;
  54. 	}
  55.  
  56. 	function init() {
  57. 		if (document.querySelector("#files.diff-view")) {
  58. 			processDiff();
  59. 		}
  60. 	}
  61.  
  62. 	// DOM targets - to detect GitHub dynamic ajax page loading
  63. 	targets = document.querySelectorAll([
  64. 		"#js-repo-pjax-container",
  65. 		"#js-pjax-container"
  66. 	].join(","));
  67.  
  68. 	// update TOC when content changes
  69. 	Array.prototype.forEach.call(targets, function(target) {
  70. 		new MutationObserver(function(mutations) {
  71. 			mutations.forEach(function(mutation) {
  72. 				// preform checks before adding code wrap to minimize function calls
  73. 				if (!busy && mutation.target === target) {
  74. 					init();
  75. 				}
  76. 			});
  77. 		}).observe(target, {
  78. 			childList: true,
  79. 			subtree: true
  80. 		});
  81. 	});
  82.  
  83. 	init();
  84.  
  85. })();