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GitHub Remove Diff Signs

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

当前为 2016-04-05 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name          GitHub Remove Diff Signs
  3. // @version       1.0.0
  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. // @run-at        document-idle
  9. // @author        Rob Garrison
  10. // ==/UserScript==
  11. /*jshint unused:true */
  12. (function() {
  13.   "use strict";
  14.  
  15.   var busy = false,
  16.  
  17.   processDiff = function() {
  18.     busy = true;
  19.     if (document.querySelector(".highlight")) {
  20.       var indx = 0,
  21.  
  22.       els = document.querySelectorAll(".blob-code-deletion .blob-code-inner, .blob-code-addition .blob-code-inner"),
  23.       len = els.length,
  24.  
  25.       // target "+" and "-" at start
  26.       regex = /^[+-]/,
  27.  
  28.       // loop with delay to allow user interaction
  29.       loop = function() {
  30.         var el, txt,
  31.         // max number of DOM insertions per loop
  32.         max = 0;
  33.         while ( max < 20 && indx < len ) {
  34.           if (indx >= len) { return; }
  35.           el = els[indx];
  36.           txt = el.childNodes[0].textContent;
  37.           el.childNodes[0].textContent = txt.replace(regex, " ");
  38.           max++;
  39.           indx++;
  40.         }
  41.         if (indx < len) {
  42.           setTimeout(function(){
  43.             loop();
  44.           }, 200);
  45.         }
  46.       };
  47.       loop();
  48.     }
  49.     busy = false;
  50.   },
  51.  
  52.   init = function() {
  53.     if (document.querySelector("#files.diff-view")) {
  54.       processDiff();
  55.     }
  56.   },
  57.  
  58.   // DOM targets - to detect GitHub dynamic ajax page loading
  59.   targets = document.querySelectorAll([
  60.     "#js-repo-pjax-container",
  61.     "#js-pjax-container"
  62.   ].join(","));
  63.  
  64.   // update TOC when content changes
  65.   Array.prototype.forEach.call(targets, function(target) {
  66.     new MutationObserver(function(mutations) {
  67.       mutations.forEach(function(mutation) {
  68.         // preform checks before adding code wrap to minimize function calls
  69.         if (!busy && mutation.target === target) {
  70.           init();
  71.         }
  72.       });
  73.     }).observe(target, {
  74.       childList: true,
  75.       subtree: true
  76.     });
  77.   });
  78.  
  79.   init();
  80.  
  81. })();