GitHub Commit Compare

Add controls to compare commits.

Versión del día 24/04/2019. Echa un vistazo a la versión más reciente.

Tendrás que instalar una extensión para tu navegador como Tampermonkey, Greasemonkey o Violentmonkey si quieres utilizar este script.

Necesitarás instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Userscripts para instalar este script.

Necesitará instalar una extensión como Tampermonkey para instalar este script.

Necesitarás instalar una extensión para administrar scripts de usuario si quieres instalar este script.

(Ya tengo un administrador de scripts de usuario, déjame instalarlo)

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

(Ya tengo un administrador de estilos de usuario, déjame instalarlo)

// ==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     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);

})();