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GitHub Commit Compare

Add controls to compare commits.
Per 18-07-2020. Zie de nieuwste versie.
Installeren als gebruikersscript ?
Bezoek de website van de maker, stel een vraag, plaats een beoordeling of rapporteer dit script.
Regels afbreken
// ==UserScript==
// @name        GitHub Commit Compare
// @namespace   https://github.com/jerone/UserScripts
// @description Add controls to compare commits.
// @author      jerone
// @contributor darkred
// @copyright   2017+, jerone (https://github.com/jerone)
// @license     CC-BY-NC-SA-4.0; https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode
// @license     GPL-3.0-or-later; http://www.gnu.org/licenses/gpl-3.0.txt
// @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://github.githubassets.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     0.0.3
// @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);

})();
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