GitHub Diff File Toggle

A userscript that adds a toggle to show or hide diff files

Fra og med 21.01.2020. Se den nyeste version.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==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();
  }
})();