☰

GitHub First Commit

Add a link to a GitHub repo's first commit

As of 2022-07-06. See the latest version.

  1. "use strict";
  2.  
  3. // ==UserScript==
  4. // @name          GitHub First Commit
  5. // @description   Add a link to a GitHub repo's first commit
  6. // @author        chocolateboy
  7. // @copyright     chocolateboy
  8. // @version       2.8.0
  9. // @namespace     https://github.com/chocolateboy/userscripts
  10. // @license       GPL
  11. // @include       https://github.com/
  12. // @include       https://github.com/*
  13. // @require       https://cdn.jsdelivr.net/npm/cash-dom@8.1.1/dist/cash.min.js
  14. // @grant         GM_log
  15. // ==/UserScript==
  16.  
  17. // NOTE This file is generated from src/github-first-commit.user.ts and should not be edited directly.
  18.  
  19. (() => {
  20.   // src/github-first-commit.user.ts
  21.   // @license       GPL
  22.   var COMMIT_BAR = "div.js-details-container[data-issue-and-pr-hovercards-enabled] > *:last-child ul";
  23.   var FIRST_COMMIT_LABEL = '<span aria-label="First commit"><strong>1st</strong> commit</span>';
  24.   function openFirstCommit(user, repo) {
  25.     return fetch(`https://api.github.com/repos/${user}/${repo}/commits`).then((res) => Promise.all([res.headers.get("link"), res.json()])).then(([link, commits]) => {
  26.       if (!link) {
  27.         return commits;
  28.       }
  29.       const lastPage = link.match(/^.+?<([^>]+)>;/)[1];
  30.       return fetch(lastPage).then((res) => res.json());
  31.     }).then((commits) => {
  32.       if (Array.isArray(commits)) {
  33.         location.href = commits[commits.length - 1].html_url;
  34.       } else {
  35.         console.error(commits);
  36.       }
  37.     });
  38.   }
  39.   function run() {
  40.     const $commitBar = $(COMMIT_BAR);
  41.     if (!$commitBar.length) {
  42.       return;
  43.     }
  44.     $commitBar.find("#first-commit").remove();
  45.     const $firstCommit = $commitBar.find("li").eq(0).clone().attr("id", "first-commit");
  46.     const $link = $firstCommit.find("a").removeAttr("href").css("cursor", "pointer");
  47.     const $label = $(FIRST_COMMIT_LABEL);
  48.     $link.find(":scope > span").empty().append($label);
  49.     const [user, repo] = $('meta[name="octolytics-dimension-repository_network_root_nwo"]').attr("content").split("/");
  50.     $link.on("click", () => {
  51.       $label.text("Loading...");
  52.       openFirstCommit(user, repo);
  53.       return false;
  54.     });
  55.     $commitBar.append($firstCommit);
  56.   }
  57.   $(document).on("turbo:load", run);
  58. })();