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Collapsable Diffs and Linked Branches (GitHub)

Adds a toggle to collapse diffs in GitHub's pull request and commit diff interfaces

2016-10-29 يوللانغان نەشرى. ئەڭ يېڭى نەشرىنى كۆرۈش.

  1. // ==UserScript==
  2. // @name        Collapsable Diffs and Linked Branches (GitHub)
  3. // @namespace   chriskim06
  4. // @description Adds a toggle to collapse diffs in GitHub's pull request and commit diff interfaces
  5. // @include     https://github.com/*
  6. // @require     http://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js
  7. // @require     https://greatest.deepsurf.us/scripts/5392-waitforkeyelements/code/WaitForKeyElements.js?version=19641
  8. // @version     1.5.0
  9. // @grant       none
  10. // @locale      en
  11. // ==/UserScript==
  12.  
  13. this.$ = this.jQuery = jQuery.noConflict(true);
  14.  
  15. $(function() {
  16.  
  17.   waitForKeyElements('#files > div[id^="diff-"]', addDiffCollapseButtons);
  18.   waitForKeyElements('.pr-review-tools > .diffbar-item:nth-child(1)', addCollapseAllButton);
  19.   waitForKeyElements('#partial-discussion-header .commit-ref', makeLinks);
  20.  
  21.   function addDiffCollapseButtons(jNode) {
  22.     // Add buttons in each header to allow folding the diff
  23.     var info = jNode.find('.file-info');
  24.     if (!info.children().first().is('a')) {
  25.       // If the button isn't there add it and add the event handler
  26.       var expanded = 'M0 5l6 6 6-6H0z';
  27.       var collapsed = 'M0 14l6-6L0 2v12z';
  28.       info.prepend(
  29.         '<a class="octicon-btn custom-collapsable" href="javascript:void(0)">' +
  30.           '<svg height="16" width="12" xmlns="http://www.w3.org/2000/svg">' +
  31.             '<path d="' + expanded + '" />' +
  32.           '</svg>' +
  33.         '</a>'
  34.       );
  35.       jNode.find('.octicon-btn.custom-collapsable').on('click', function() {
  36.         // Toggle the visibility of the diff and the direction of the arrow
  37.         var icon = $(this).find('path');
  38.         jNode.children('.data.highlight.blob-wrapper, .data.highlight.empty, .render-wrapper').toggle();
  39.         icon.attr('d', (icon.attr('d') === collapsed) ? expanded : collapsed);
  40.         var collapseAllButton = $('#diff-collapse-button');
  41.         if (collapseAllButton.length) {
  42.           var state = $('#files').find('div[id^="diff-"]').children('.data.highlight.blob-wrapper').is(':visible');
  43.           collapseAllButton.attr('data-toggle-state', state ? 'expanded' : 'collapsed');
  44.           collapseAllButton.text(state ? 'Fold All' : 'Show All');
  45.         }
  46.       });
  47.     }
  48.   }
  49.  
  50.   function addCollapseAllButton(jNode) {
  51.     // Add a Show/Fold All button if its not there
  52.     if (!$('#diff-collapse-button').length) {
  53.       var blobs = $('#files').find('div[id^="diff-"]').children('.data.highlight.blob-wrapper, .data.highlight.empty, .render-wrapper');
  54.       jNode.after(
  55.         '<div class="diffbar-item">' +
  56.           '<button id="diff-collapse-button"' +
  57.             'class="btn btn-sm btn-outline BtnGroup-item" style="width: 75px"' +
  58.             'data-toggle-state="' + (blobs.is(':visible') ? 'expanded' : 'collapsed') + '">' +
  59.             (blobs.is(':visible') ? 'Fold All' : 'Show All') +
  60.           '</button>' +
  61.         '</div>'
  62.       );
  63.       $('#diff-collapse-button').on('click', function() {
  64.         // Toggle the visibility of all diffs, directions of arrows, and the button
  65.         var state = ($(this).attr('data-toggle-state') === 'expanded');
  66.         if (state) {
  67.           blobs.hide();
  68.         } else {
  69.           blobs.show();
  70.         }
  71.         var expanded = 'M0 5l6 6 6-6H0z';
  72.         var collapsed = 'M0 14l6-6L0 2v12z';
  73.         $('.octicon-btn.custom-collapsable').find('path').attr('d', state ? collapsed : expanded);
  74.         $(this).attr('data-toggle-state', state ? 'collapsed' : 'expanded');
  75.         $(this).text(state ? 'Show All' : 'Fold All');
  76.       });
  77.     }
  78.   }
  79.  
  80.   function makeLinks(jNode) {
  81.     if (!jNode.children(':first-child').is('a')) {
  82.       // Turn the branches being compared into links if they aren't already
  83.       var url = window.location.href.match(/(https:\/\/github\.com\/)[A-Za-z0-9_-]+(\/[A-Za-z0-9_-]+)/);
  84.       if (url) {
  85.         var branch = jNode.contents().text();
  86.         if (!branch.includes(':')) {
  87.           jNode.contents().wrapAll('<a href="' + url[0] + '/tree/' + branch + '"></a>');
  88.         } else {
  89.           jNode.contents().wrapAll('<a href="' + url[1] + branch.replace(':', url[2] + '/tree/') + '"></a>');
  90.         }
  91.       }
  92.     }
  93.   }
  94.  
  95. });