Collapsable Diffs and Linked Branches (GitHub)

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

目前為 2016-04-10 提交的版本,檢視 最新版本

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name        Collapsable Diffs and Linked Branches (GitHub)
// @namespace   chriskim06
// @description Adds a toggle to collapse diffs in GitHub's pull request and commit diff interfaces
// @include     https://github.com/*
// @require     http://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js
// @version     1.4.5
// @grant       none
// @locale      en
// ==/UserScript==

this.$ = this.jQuery = jQuery.noConflict(true);

$(function() {

  function collapsable() {
    if ($('#files').length) {
      // Add buttons in each header to allow folding the diff
      var expanded = 'M0 5l6 6 6-6H0z';
      var collapsed = 'M0 14l6-6L0 2v12z';
      var diffs = $('#files').find('div[id^="diff-"]');
      diffs.each(function() {
        var diff = $(this);
        var info = diff.find('.file-info');
        if (!info.children().first().is('a')) {
          // If the button isn't there add it and add the event handler
          info.prepend(
            '<a class="octicon-btn custom-collapsable" href="javascript:void(0)">' +
              '<svg height="16" width="12" xmlns="http://www.w3.org/2000/svg">' +
                '<path d="' + expanded + '" />' +
              '</svg>' +
            '</a>'
          );
          diff.find('.octicon-btn.custom-collapsable').on('click', function() {
            // Toggle the visibility of the diff and the direction of the arrow
            var icon = $(this).find('path');
            diff.children('.data.highlight.blob-wrapper').toggle();
            icon.attr('d', (icon.attr('d') === collapsed) ? expanded : collapsed);
            var allButton = $('#diff-collapse-button');
            var visible = diffs.children('.data.highlight.blob-wrapper').is(':visible');
            allButton.attr('data-toggle-state', visible ? 'expanded' : 'collapsed');
            allButton.text(visible ? 'Collapse All' : 'Expand All');
          });
        }
      });

      var diffOptions = $('.diffbar-item.dropdown.js-menu-container');
      if (diffOptions.length && diffOptions.find('a').length === 2) {
        // Add an Expand/Collapse All button if its not there
        var blobs = diffs.children('.data.highlight.blob-wrapper');
        diffOptions.find('ul').append(
          '<a id="diff-collapse-button" ' +
            'class="dropdown-item" ' +
            'href="javascript:void(0)" ' +
            'data-toggle-state="' + (blobs.is(':visible') ? 'expanded' : 'collapsed') + '">' +
            (blobs.is(':visible') ? 'Collapse All' : 'Expand All') +
          '</a>'
        );
        $('#diff-collapse-button').on('click', function() {
          // Toggle the visibility of all diffs, directions of arrows, and the button
          var button = $(this);
          var state = (button.attr('data-toggle-state') === 'expanded');
          if (state) {
            blobs.hide();
          } else {
            blobs.show();
          }
          $('.octicon-btn.custom-collapsable').find('path').attr('d', state ? collapsed : expanded);
          button.attr('data-toggle-state', state ? 'collapsed' : 'expanded');
          button.text(state ? 'Expand All' : 'Collapse All');
          diffOptions.removeClass('active');
        });
      }
    }
  }

  function makeLinks() {
    var head = $('#partial-discussion-header');
    if (head.length && head.find('.flex-table-item.flex-table-item-primary > a').length === 1) {
      // Turn the branches being compared into links if they aren't already
      var url = window.location.href.match(/(https:\/\/github\.com\/)([A-Za-z0-9_-]+(\/[A-Za-z0-9_-]+))/);
      if (url) {
        $('span.commit-ref.current-branch').each(function() {
          var link;
          var branch = this.textContent;
          if (!branch.includes(':')) {
            link = url[0] + '/tree/' + branch;
          } else {
            var split = branch.split(':');
            link = url[1] + split[0] + url[3] + '/tree/' + split[1];
          }
          $(this).wrap('<a href="' + link + '"></a>');
        });
      }
    }
  }
  
  makeLinks();
  collapsable();

  window.$(document).on('pjax:end pjax:complete', function() {
    makeLinks();
    collapsable();
  });
  
});