Go To Initial Commit

Add a button on Github commit page which allow you to nevigate to the first commit page
Verzia zo dňa 17.06.2020. Pozri najnovšiu verziu.
Spýtať sa otázku, uverejniť recenziu, alebo nahlásiť skript.
Zalomiť riadky
// ==UserScript==
// @name         Go To Initial Commit
// @name:zh-CN   跳转到第一次提交
// @namespace    https://github.com/Liu233w/
// @version      0.1
// @description  Add a button on Github commit page which allow you to nevigate to the first commit page
// @description:zh-CN 在 Github 的 commits 页面添加一个按钮，可以跳转到 repo 的第一次提交页面
// @author       Liu233w
// @license      BSD 3-Clause License
// @icon         https://assets-cdn.github.com/pinned-octocat.svg
// @match        https://github.com/*/commits/*
// @grant        none
// ==/UserScript==

(function() {
  'use strict';

  function openFirstCommit(args) {
    // args[1] is the `orgname/repo` url fragment
    // args[2] is the optional branch or hash

    return fetch('https://api.github.com/repos/' + args[1] + '/commits?sha=' + (args[2] || ''))

    // the link header has additional urls for paging
    // parse the original JSON for the case where no other pages exist
      .then(res => Promise.all([res.headers.get('link'), res.json()]))

    // get last page of commits
      .then(results => {
      // results[0] is the link
      // results[1] is the first page of commits

      if (results[0]) {
        // the link contains two urls in the form
        // <https://github.com/...>; rel=blah, <https://github.com/...>; rel=thelastpage
        // split the url out of the string
        var pageurl = results[0].split(',')[1].split(';')[0].slice(2, -1);
        // fetch the last page
        return fetch(pageurl).then(res => res.json());
      }

      // if no link, we know we're on the only page
      return results[1];
    })

    // get the last commit and extract the url
      .then(commits => commits.pop().html_url)

    // navigate there
      .then(url => window.location = url);
  }

  // add button
  var nav = document.querySelector('.file-navigation');
  var tempDom = document.createElement('div');
  tempDom.innerHTML = '<span type="button" class="btn btn-sm" title="go to the initial(first) commit">initial commit</button>';
  var button = tempDom.firstChild;
  button.addEventListener('click', function () {
    openFirstCommit(window.location.pathname.match(/\/([^\/]+\/[^\/]+)(?:\/tree\/([^\/]+))?/));
  });
  nav.appendChild(button);
  button.previousElementSibling.style.display = "inline"
})();