Adds a toggle to collapse diffs in GitHub's pull request and commit diff interfaces
// ==UserScript==
// @name Collapsable Diffs and Linked Branches (GitHub)
// @namespace https://github.com/chriskim06/userscripts
// @description Adds a toggle to collapse diffs in GitHub's pull request and commit diff interfaces
// @match https://github.com/*
// @require http://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js
// @require https://greasyfork.org/scripts/5392-waitforkeyelements/code/WaitForKeyElements.js?version=19641
// @version 1.5.6
// ==/UserScript==
this.$ = this.jQuery = jQuery.noConflict(true);
$(function() {
waitForKeyElements('#files div[id^="diff-"] .file-header > .file-actions > button', addDiffCollapseButtons);
waitForKeyElements('.pr-review-tools > .diffbar-item:nth-child(1)', addCollapseAllButton);
waitForKeyElements('#partial-discussion-header .commit-ref', makeLinks);
function addDiffCollapseButtons(jNode) {
// Add the event handler if its not already bound to the arrow
if (jNode.length) {
var events = $.data(jNode.get(0), 'events');
if (!events || !events.click) {
jNode.on('click', function() {
// Set the collapse all button text
var collapseAllButton = $('#diff-collapse-button');
if (collapseAllButton.length) {
var state = ($('#diff-collapse-button').attr('data-toggle-state') === 'expanded');
collapseAllButton.attr('data-toggle-state', state ? 'collapsed' : 'expanded');
collapseAllButton.text(state ? 'Show All' : 'Fold All');
}
});
}
}
}
function addCollapseAllButton(jNode) {
// Add a Show/Fold All button if its not there
if (!$('#diff-collapse-button').length) {
var blobs = $('#files').find('div[id^="diff-"]').children('.data.highlight.blob-wrapper, .data.highlight.empty, .render-wrapper, .js-file-content');
jNode.after(
'<div class="diffbar-item">' +
'<button id="diff-collapse-button"' +
'class="btn btn-sm btn-outline BtnGroup-item" style="width: 75px"' +
'data-toggle-state="' + (blobs.is(':visible') ? 'expanded' : 'collapsed') + '">' +
(blobs.is(':visible') ? 'Fold All' : 'Show All') +
'</button>' +
'</div>'
);
$('#diff-collapse-button').on('click', function() {
// Toggle the visibility of all diffs
var state = ($(this).attr('data-toggle-state') === 'expanded');
$('#files div[id^="diff-"] > .file-header > .file-actions > button[aria-expanded="' + state + '"]').click();
$(this).attr('data-toggle-state', state ? 'collapsed' : 'expanded');
$(this).text((state) ? 'Show All' : 'Fold All');
});
}
}
function makeLinks(jNode) {
if (!jNode.children(':first-child').is('a')) {
// 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) {
var branch = jNode.contents().text();
if (!branch.includes(':')) {
jNode.contents().wrapAll('<a href="' + url[0] + '/tree/' + branch + '"></a>');
} else {
jNode.contents().wrapAll('<a href="' + url[1] + branch.replace(':', url[2] + '/tree/') + '"></a>');
}
}
}
}
});