GitHub Commit Compare

Add controls to compare commits.

目前為 2018-05-20 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        GitHub Commit Compare
// @namespace   https://github.com/jerone/UserScripts
// @description Add controls to compare commits.
// @author      jerone
// @contributor darkred
// @copyright   2017+, jerone (http://jeroenvanwarmerdam.nl)
// @license     GPL-3.0
// @homepage    https://github.com/jerone/UserScripts/tree/master/GitHub_Commit_Compare
// @homepageURL https://github.com/jerone/UserScripts/tree/master/GitHub_Commit_Compare
// @supportURL  https://github.com/jerone/UserScripts/issues
// @contributionURL https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=VCYMHWQ7ZMBKW
// @icon        https://assets-cdn.github.com/pinned-octocat.svg
// @include     https://github.com/*/*/commits
// @include     https://github.com/*/*/commits/*
// @exclude     https://github.com/*/*.diff
// @exclude     https://github.com/*/*.patch
// @version     0.0.2
// @grant       none
// ==/UserScript==

(function () {

  function addButton() {
    var nav;
    if ((nav = document.querySelector('.file-navigation'))) {

      // Check if our group of buttons are already attached.
      // Remove it, as the 'old' buttons don't have events anymore.
      const e = document.getElementById('GitHubCommitCompareGroup');
      if (e) {
        e.parentElement.removeChild(e);
      }
      Array.from(document.querySelectorAll('.GitHubCommitCompareButtonAB')).forEach(function (b) {
        b.parentElement.removeChild(b);
      });

      const c = document.createElement('input');
      c.type = 'checkbox';
      c.addEventListener('change',
        function () {
          const bb = document.querySelectorAll('.GitHubCommitCompareButtonAB');
          if (this.checked) {
            if (bb.length === 0) {
              addCompareButtons();
            } else {
              Array.from(bb).forEach(function (b) {
                b.classList.remove('d-none');
              });
            }
          } else {
            Array.from(bb).forEach(function (b) {
              b.classList.add('d-none');
            });
          }
          const bbb = document.getElementById('GitHubCommitCompareButton');
          if (bbb) bbb.classList.remove('disabled');
        });

      const l = document.createElement('label');
      l.classList.add('tooltipped', 'tooltipped-n');
      l.setAttribute('aria-label', 'Show commit compare buttons');
      l.style.cssText = `
        float: left;
        padding: 3px 10px;
        font-size: 12px;
        font-weight: 600;
        line-height: 20px;
        color: #24292e;
        vertical-align: middle;
        background-color: #fff;
        border: 1px solid rgba(27,31,35,0.2);
        border-right: 0;
        border-top-left-radius: 3px;
        border-bottom-left-radius: 3px;
      `;
      l.appendChild(c);

      const p = document.createElementNS('http://www.w3.org/2000/svg', 'path');
      p.setAttributeNS(null,
        'd',
        'M5 12H4c-.27-.02-.48-.11-.69-.31-.21-.2-.3-.42-.31-.69V4.72A1.993 1.993 0 0 0 2 1a1.993 1.993 0 0 0-1 3.72V11c.03.78.34 1.47.94 2.06.6.59 1.28.91 2.06.94h1v2l3-3-3-3v2zM2 1.8c.66 0 1.2.55 1.2 1.2 0 .65-.55 1.2-1.2 1.2C1.35 4.2.8 3.65.8 3c0-.65.55-1.2 1.2-1.2zm11 9.48V5c-.03-.78-.34-1.47-.94-2.06-.6-.59-1.28-.91-2.06-.94H9V0L6 3l3 3V4h1c.27.02.48.11.69.31.21.2.3.42.31.69v6.28A1.993 1.993 0 0 0 12 15a1.993 1.993 0 0 0 1-3.72zm-1 2.92c-.66 0-1.2-.55-1.2-1.2 0-.65.55-1.2 1.2-1.2.65 0 1.2.55 1.2 1.2 0 .65-.55 1.2-1.2 1.2z');

      const s = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
      s.classList.add('octicon', 'octicon-diff');
      s.setAttributeNS(null, 'height', 16);
      s.setAttributeNS(null, 'width', 14);
      s.setAttributeNS(null, 'viewBox', '0 0 14 16');
      s.appendChild(p);

      const a = document.createElement('a');
      a.id = 'GitHubCommitCompareButton';
      a.classList.add('btn', 'btn-sm', 'tooltipped', 'tooltipped-n', 'disabled');
      a.setAttribute('href', '#');
      a.setAttribute('rel', 'nofollow');
      a.setAttribute('aria-label', 'Compare these commits');
      a.style.cssText = `
        border-top-left-radius: 0;
        border-bottom-left-radius: 0;
        font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
      `;
      a.appendChild(s);
      a.appendChild(document.createElement("span"));

      const g = document.createElement('div');
      g.id = 'GitHubCommitCompareGroup';
      g.classList.add('float-right');
      g.appendChild(l);
      g.appendChild(a);

      nav.appendChild(g);
    }
  }

  function updateRadioButtons() {
    var compareAdisabled = true;
    var compareBdisabled = false;

    const compares = document.querySelectorAll('.GitHubCommitCompareButtonAB');
    Array.from(compares).forEach(function (compare) {
      const compareA = compare.querySelector('[name="GitHubCommitCompareButtonA"]');
      const compareB = compare.querySelector('[name="GitHubCommitCompareButtonB"]');

      compareA.disabled = compareAdisabled;
      compareA.parentNode.classList.toggle('disabled', compareAdisabled);

      if (compareA.checked) {
        compareBdisabled = true;
      }
      if (compareB.checked) {
        compareAdisabled = false;
      }

      compareB.disabled = compareBdisabled;
      compareB.parentNode.classList.toggle('disabled', compareBdisabled);
    });

    updateCompareButton();
  }

  function updateCompareButton() {
    const repo = document.querySelector('meta[property="og:url"]').content;

    const compareA = document.querySelector('.GitHubCommitCompareButtonAB [name="GitHubCommitCompareButtonA"]:checked');
    const hashA = compareA.parentNode.parentNode.parentNode.querySelector('clipboard-copy').value;
    const compareB = document.querySelector('.GitHubCommitCompareButtonAB [name="GitHubCommitCompareButtonB"]:checked');
    const hashB = compareB.parentNode.parentNode.parentNode.querySelector('clipboard-copy').value;

    const a = document.getElementById('GitHubCommitCompareButton');
    a.setAttribute('href', `${repo}/compare/${hashA}...${hashB}`);
    a.querySelector('span').textContent = ` ${hashA.substring(0, 7)}...${hashB.substring(0, 7)}`;

    //localStorage.setItem('GitHubCommitCompareButtonHashA', hashA);
    //localStorage.setItem('GitHubCommitCompareButtonHashB', hashB);
  }

  function addCompareButtons() {
    const commits = document.querySelectorAll('.commits-list-item .commit-links-cell');
    Array.from(commits).forEach(function (item, index) {
      const c1 = document.createElement('input');
      c1.name = 'GitHubCommitCompareButtonA';
      c1.type = 'radio';
      c1.addEventListener('change', updateRadioButtons);
      if (index === 1) c1.checked = true;

      const l1 = document.createElement('label');
      l1.classList.add('btn', 'btn-outline', 'BtnGroup-item', 'tooltipped', 'tooltipped-s');
      l1.setAttribute('aria-label', 'Choose a base commit');
      l1.appendChild(c1);

      const c2 = document.createElement('input');
      c2.name = 'GitHubCommitCompareButtonB';
      c2.type = 'radio';
      c2.addEventListener('change', updateRadioButtons);
      if (index === 0) c2.checked = true;

      const l2 = document.createElement('label');
      l2.classList.add('btn', 'btn-outline', 'BtnGroup-item', 'tooltipped', 'tooltipped-s');
      l2.setAttribute('aria-label', 'Choose a head commit');
      l2.appendChild(c2);

      // const p3 = document.createElementNS('http://www.w3.org/2000/svg', 'path');
      // p3.setAttributeNS(null,
      //'d',
      //'M5 12H4c-.27-.02-.48-.11-.69-.31-.21-.2-.3-.42-.31-.69V4.72A1.993 1.993 0 0 0 2 1a1.993 1.993 0 0 0-1 3.72V11c.03.78.34 1.47.94 2.06.6.59 1.28.91 2.06.94h1v2l3-3-3-3v2zM2 1.8c.66 0 1.2.55 1.2 1.2 0 .65-.55 1.2-1.2 1.2C1.35 4.2.8 3.65.8 3c0-.65.55-1.2 1.2-1.2zm11 9.48V5c-.03-.78-.34-1.47-.94-2.06-.6-.59-1.28-.91-2.06-.94H9V0L6 3l3 3V4h1c.27.02.48.11.69.31.21.2.3.42.31.69v6.28A1.993 1.993 0 0 0 12 15a1.993 1.993 0 0 0 1-3.72zm-1 2.92c-.66 0-1.2-.55-1.2-1.2 0-.65.55-1.2 1.2-1.2.65 0 1.2.55 1.2 1.2 0 .65-.55 1.2-1.2 1.2z');

      // const s3 = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
      // s3.classList.add('octicon', 'octicon-diff');
      // s3.setAttributeNS(null, 'height', 16);
      // s3.setAttributeNS(null, 'width', 14);
      // s3.setAttributeNS(null, 'viewBox', '0 0 14 16');
      // s3.appendChild(p3);

      // const l3 = document.createElement('a');
      // l3.classList.add('btn', 'btn-outline', 'BtnGroup-item', 'tooltipped', 'tooltipped-sw');
      // l3.setAttribute('aria-label', 'TODO');
      // l3.appendChild(s3);

      const gg = document.createElement('div');
      gg.classList.add('GitHubCommitCompareButtonAB', 'commit-links-group', 'BtnGroup');
      gg.appendChild(l1);
      gg.appendChild(l2);
      //gg.appendChild(l3);

      //item.style.width = '350px';
      if (item.querySelector('.muted-link')) { // Insert after number of comments button.
        item.insertBefore(gg, item.querySelector('.muted-link').nextSibling);
      } else {
        item.insertBefore(gg, item.firstChild);
      }
    });

    updateRadioButtons(); // Update radio buttons.
  }

  // Init.
  addButton();

  // Pjax.
  document.addEventListener('pjax:end', addButton);

})();