Expand collapsed GitHub code blocks

Adds click event and distinct hover style to collapsed code indicator

Tính đến 09-06-2020. Xem phiên bản mới nhất.

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

Bạn sẽ cần cài đặt một tiện ích mở rộng như Tampermonkey hoặc Violentmonkey để cài đặt kịch bản này.

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.

(Tôi đã có Trình quản lý tập lệnh người dùng, hãy cài đặt nó!)

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        Expand collapsed GitHub code blocks
// @namespace   http://tampermonkey.net/
// @description Adds click event and distinct hover style to collapsed code indicator
// @match       https://github.com/*
// @version     1.3
// @grant       GM_addStyle
// ==/UserScript==

// Use with violentmonkey
// https://addons.mozilla.org/en-US/firefox/addon/violentmonkey/
// https://chrome.google.com/webstore/detail/violentmonkey/jinjaccalgkegednnccohejagnlnfdag?hl=en

(function () {
  "use strict";

  GM_addStyle(`
      .is-hovered.blob-code.blob-code-inner.blob-code-hunk {
          background-color: #ffedde !important;
      }`);

  makeCollapsedRegionsClickableAfterLoad();
})();

function makeCollapsedRegionsClickableAfterLoad() {
  let isLoading = false;

  const diffContainers = [
    ...document.querySelectorAll(".js-diff-progressive-container"),
  ];
  if (diffContainers.some((c) => showsLoadingIndicator(c))) {
    isLoading = true;
  }

  if (isLoading == true) {
    window.setTimeout(makeCollapsedRegionsClickableAfterLoad, 5);
  } else {
    makeCollapsedRegionsClickable();
  }
}

function makeCollapsedRegionsClickable() {
  const expandables = document.querySelectorAll(".js-expandable-line");

  expandables.forEach((expandable) => {
    let line = expandable.querySelector(
      ".blob-code.blob-code-inner.blob-code-hunk"
    );

    line = recreateNode(line);
    line.style.cursor = "pointer";
    line.addEventListener("click", () => expandCodeBlock(expandable));
  });
}

function expandCodeBlock(line) {
  line.querySelector(".blob-num-expandable").children[0].click();
  window.setTimeout(makeCollapsedRegionsClickableAfterLoad, 800);
}

function showsLoadingIndicator(container) {
  return container.querySelectorAll(".diff-progressive-loader").length > 0;
}

function recreateNode(el, withChildren) {
  if (withChildren) {
    const clone = el.cloneNode(true);
    el.parentNode.replaceChild(clone, el);
    return clone;
  } else {
    var newEl = el.cloneNode(false);
    while (el.hasChildNodes()) newEl.appendChild(el.firstChild);
    el.parentNode.replaceChild(newEl, el);
    return newEl;
  }
}