A userscript that adds a toggle to show or hide diff files
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// ==UserScript==
// @name GitHub Diff File Toggle
// @version 1.2.6
// @description A userscript that adds a toggle to show or hide diff files
// @license MIT
// @author StylishThemes
// @namespace https://github.com/StylishThemes
// @include https://github.com/*
// @run-at document-end
// @grant GM_addStyle
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_registerMenuCommand
// @require https://greasyfork.org/scripts/28721-mutations/code/mutations.js?version=634242
// @icon https://avatars3.githubusercontent.com/u/6145677?v=3&s=200
// @homepageURL https://github.com/StylishThemes/GitHub-Dark-Script
// ==/UserScript==
(() => {
"use strict";
// This code is also part of the GitHub-Dark Script
// (https://github.com/StylishThemes/GitHub-Dark-Script)
// Extracted out into a separate userscript in case users only want to add this
// functionality
const icon =
`<svg class="octicon" xmlns="http://www.w3.org/2000/svg" width="10" height="6.5" viewBox="0 0 10 6.5">
<path d="M0 1.5L1.5 0l3.5 3.7L8.5.0 10 1.5 5 6.5 0 1.5z"/>
</svg>`;
// Add file diffs toggle
function addFileToggle() {
const files = $$("#files .file-actions");
const button = document.createElement("button");
let updated = false;
button.type = "button";
button.className = "ghd-file-toggle btn btn-sm tooltipped tooltipped-n";
button.setAttribute("aria-label", "Click to Expand or Collapse file");
button.setAttribute("tabindex", "-1");
button.innerHTML = icon;
files.forEach(el => {
if (!$(".ghd-file-toggle", el)) {
// hide GitHub toggle view button
el.querySelector(".js-details-target").style.display = "none";
el.appendChild(button.cloneNode(true));
updated = true;
}
});
// start with all but first entry collapsed
if (updated && files.length) {
if (/^t/.test(GM_getValue("accordion"))) {
toggleFile({
target: $(".ghd-file-toggle")
}, "init");
}
}
}
function toggleSibs(target, state) {
const isCollapsed = state,
toggles = $$(".file");
let el,
indx = toggles.length;
while (indx--) {
el = toggles[indx];
if (el !== target) {
el.classList.toggle("Details--on", isCollapsed);
}
}
}
function toggleFile(event, init) {
const accordion = GM_getValue("accordion"),
el = event.target.closest(".file");
if (el && accordion) {
if (!init) {
el.classList.toggle("Details--on");
}
toggleSibs(el, false);
} else if (el) {
el.classList.toggle("Details--on");
// shift+click toggle all files!
if (event.shiftKey) {
toggleSibs(el, el.classList.contains("Details--on"));
}
}
document.activeElement.blur();
// move current open panel to the top
if (el.classList.contains("Details--on")) {
location.hash = el.id;
}
}
function addBindings() {
$("body").addEventListener("click", event => {
const target = event.target;
if (target && target.classList.contains("ghd-file-toggle")) {
toggleFile(event);
return false;
}
});
}
function $(str, el) {
return (el || document).querySelector(str);
}
function $$(str, el) {
return [...(el || document).querySelectorAll(str)];
}
// Don't initialize if GitHub Dark Script is active
if (!$("#ghd-menu")) {
GM_addStyle(`
.Details--on .ghd-file-toggle svg {
-webkit-transform:rotate(90deg); transform:rotate(90deg);
}
.ghd-file-toggle svg.octicon {
pointer-events: none;
vertical-align: middle;
}
`);
document.addEventListener("ghmo:container", addFileToggle);
document.addEventListener("ghmo:diff", addFileToggle);
// Add GM options
GM_registerMenuCommand("GitHub Diff File Toggle", () => {
let result = `${GM_getValue("accordion") || false}`;
const val = prompt("Accordion Mode? (true/false):", result);
if (val) {
result = /^t/.test(val);
GM_setValue("accordion", result);
}
});
addBindings();
addFileToggle();
}
})();