GitHub First Commit

A simple userscript to view the very first commit of a GitHub repository.

Verze ze dne 04. 04. 2025. Zobrazit nejnovější verzi.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         GitHub First Commit
// @namespace    https://github.com/lazypolymath
// @version      1.0.0
// @author       https://github.com/lazypolymath
// @description  A simple userscript to view the very first commit of a GitHub repository.
// @license      MIT
// @icon         https://github.githubassets.com/favicons/favicon.svg
// @source       https://github.com/lazypolymath/first-commit
// @match        https://github.com/*/*
// @connect      api.github.com
// ==/UserScript==

(function () {
  'use strict';

  (async () => {
    const tabContainerSelector = ".position-relative.header-wrapper.js-header-wrapper > header > div.AppHeader-localBar > nav > ul";
    const renderTab = async () => {
      var _a, _b;
      const url = new URL(document.location.href);
      let pathname = url.pathname.substring(1);
      const segments = pathname.split("/");
      const author = segments[0].trim();
      const repositoryName = segments[1].trim();
      if (author === "" || repositoryName === "") {
        return;
      }
      const tabContainerEl = document.querySelector(tabContainerSelector);
      if (!tabContainerEl) {
        return;
      }
      const lastEl = tabContainerEl.querySelector("li:last-child");
      if (!lastEl) {
        return;
      }
      let response = await fetch(
        `https://api.github.com/repos/${author}/${repositoryName}/commits?per_page=1&page=1`
      );
      const linkHeader = response.headers.get("link");
      const matches = /rel="next",\s\<(.*?)\>;\srel="last"/.exec(
        linkHeader || ""
      );
      if (!matches || !matches.length) {
        return;
      }
      const firstCommitURL = matches[1];
      response = await fetch(firstCommitURL);
      const json = await response.json();
      if (json && json.length && json[0].sha) {
        const data = json[0];
        const sha = data.sha;
        const commit = data.commit;
        const firstCommitTabEl = lastEl.cloneNode(true);
        (_a = firstCommitTabEl.querySelector("a")) == null ? void 0 : _a.remove();
        const tabLinkEl = document.createElement("a");
        tabLinkEl.id = "first-commit-tab-link";
        tabLinkEl.title = `Message: ${commit.message} 
Author: ${commit.committer.name || "Anonymous"}
DateTime: ${commit.committer.date}
Comments: ${commit.comment_count || 0}`;
        tabLinkEl.setAttribute(
          "class",
          ((_b = lastEl.querySelector("a")) == null ? void 0 : _b.getAttribute("class")) || ""
        );
        tabLinkEl.href = `https://github.com/${author}/${repositoryName}/commit/${sha}`;
        tabLinkEl.innerHTML = `
      <svg aria-hidden="true" focusable="false" class="octicon octicon-history" viewBox="0 -2 20 20" width="16" height="16" fill="currentColor" display="inline-block" overflow="visible" style="vertical-align:text-bottom"><path d="m.427 1.927 1.215 1.215a8.002 8.002 0 1 1-1.6 5.685.75.75 0 1 1 1.493-.154 6.5 6.5 0 1 0 1.18-4.458l1.358 1.358A.25.25 0 0 1 3.896 6H.25A.25.25 0 0 1 0 5.75V2.104a.25.25 0 0 1 .427-.177ZM7.75 4a.75.75 0 0 1 .75.75v2.992l2.028.812a.75.75 0 0 1-.557 1.392l-2.5-1A.751.751 0 0 1 7 8.25v-3.5A.75.75 0 0 1 7.75 4Z"></path></svg>
      <span data-content="First Commit">First Commit</span>
      `;
        tabContainerEl.append(tabLinkEl);
      }
    };
    const handleHistoryChange = async () => {
      setTimeout(async () => {
        if (document.querySelector("#first-commit-tab-link")) {
          return;
        }
        await renderTab();
      }, 1e3);
    };
    (function(history) {
      const originalPushState = history.pushState;
      history.pushState = function(...args) {
        const result = originalPushState.apply(this, args);
        const pushStateEvent = new CustomEvent("pushState", {
          detail: { ...args }
        });
        window.dispatchEvent(pushStateEvent);
        return result;
      };
    })(window.history);
    window.addEventListener("popstate", handleHistoryChange);
    window.addEventListener("pushState", handleHistoryChange);
    await renderTab();
  })();

})();