github-nickname

Add nicknames to GitHub feed and profile pages, configured based on JSON content or remote URL.

Versione datata 12/05/2026. Vedi la nuova versione l'ultima versione.

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

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Userscripts per installare questo script.

Dovrai installare un'estensione come ad esempio Tampermonkey per installare questo script.

Dovrai installare un gestore di script utente per installare questo script.

(Ho già un gestore di script utente, lasciamelo installare!)

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

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Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

(Ho già un gestore di stile utente, lasciamelo installare!)

// ==UserScript==
// @name               github-nickname
// @name:zh-CN         github 昵称
// @namespace          https://github.com/fantasticmao/user-scripts
// @copyright          2026 fantasticmao
// @license            MIT License
// @version            1.3
// @description        Add nicknames to GitHub feed and profile pages, configured based on JSON content or remote URL.
// @description:zh-CN  在 GitHub 动态页和个人主页为用户添加昵称,基于 JSON 内容或远程 URL 配置。
// @icon               https://avatars.githubusercontent.com/u/20675747?s=80
// @grant              GM_xmlhttpRequest
// @grant              GM_getValue
// @grant              GM_setValue
// @grant              GM_registerMenuCommand
// @author             fantasticmao
// @homepage           https://github.com/fantasticmao
// @match              https://github.com/*
// @run-at             document-idle
// ==/UserScript==

(function () {
  "use strict";

  var NICKNAME_ATTR = "data-nickname-added";
  var nicknameMap = {};

  // Configuration

  GM_registerMenuCommand("Config nickname", function () {
    var currentJson = GM_getValue("nicknameJson", "");
    var currentUrl = GM_getValue("nicknameUrl", "");
    var hint = "[not configured]";
    var value = "";
    if (currentJson) {
      hint = "[current JSON mode]";
      value = currentJson;
    } else if (currentUrl) {
      hint = "[current URL mode]";
      value = currentUrl;
    }
    var input = prompt("Enter nickname config: " + hint, value);
    if (input === null) return;
    input = input.trim();
    if (!input) {
      GM_setValue("nicknameUrl", "");
      GM_setValue("nicknameJson", "");
      return;
    }
    if (input.startsWith("http://") || input.startsWith("https://")) {
      GM_setValue("nicknameUrl", input);
      GM_setValue("nicknameJson", "");
      fetchNicknames(input);
    } else {
      try {
        JSON.parse(input);
      } catch (e) {
        alert("[github-nickname] invalid JSON input: " + e.message);
        return;
      }
      GM_setValue("nicknameJson", input);
      GM_setValue("nicknameUrl", "");
      nicknameMap = JSON.parse(input);
      console.debug(
        "[github-nickname] nicknames loaded from JSON, count:",
        Object.keys(nicknameMap).length,
      );
      processPage();
    }
  });

  var nicknameJson = GM_getValue("nicknameJson", "");
  var nicknameUrl = GM_getValue("nicknameUrl", "");
  if (nicknameJson) {
    nicknameMap = JSON.parse(nicknameJson);
    console.debug(
      "[github-nickname] nicknames loaded from JSON, count:",
      Object.keys(nicknameMap).length,
    );
    processPage();
  } else if (nicknameUrl) {
    fetchNicknames(nicknameUrl);
  } else {
    console.warn("[github-nickname] nicknameUrl is not configured, exiting.");
    return;
  }

  // Data fetching

  function fetchNicknames(url) {
    GM_xmlhttpRequest({
      method: "GET",
      url: url,
      responseType: "json",
      onload: function (response) {
        if (response.status === 200 && response.response) {
          nicknameMap = response.response;
          console.debug(
            "[github-nickname] nicknames loaded, count:",
            Object.keys(nicknameMap).length,
          );
          processPage();
        } else {
          console.warn("[github-nickname] unexpected response status:", response.status);
        }
      },
      onerror: function (err) {
        console.error("[github-nickname] failed to fetch nicknames:", err);
      },
    });
  }

  // DOM helpers

  function getUsernameFromLink(el) {
    if (!el.textContent.trim()) return null;
    var href = el.getAttribute("href");
    if (!href) return null;
    var match = href.match(/^\/([a-zA-Z0-9-]+)\/?$/);
    return match ? match[1] : null;
  }

  function addNickname(el, username) {
    var nickname = nicknameMap[username];
    if (!nickname || el.hasAttribute(NICKNAME_ATTR)) return;
    el.setAttribute(NICKNAME_ATTR, "true");
    el.textContent = el.textContent.trim() + " (" + nickname + ")";
    console.debug("[github-nickname] added nickname:", username, "->", nickname);
  }

  // Page processing

  function processFeedPage() {
    var links = document.querySelectorAll(
      'a[data-hovercard-type="user"]:not([' + NICKNAME_ATTR + "])",
    );
    links.forEach(function (link) {
      var username = getUsernameFromLink(link);
      if (username) addNickname(link, username);
    });
  }

  function processProfilePage() {
    var path = location.pathname;
    var match = path.match(/^\/([a-zA-Z0-9-]+)\/?$/);
    if (!match) return;
    var username = match[1];
    var nameEl = document.querySelector(".vcard-fullname");
    if (nameEl) addNickname(nameEl, username);
  }

  function processPage() {
    if (location.pathname === "/" || location.pathname === "/dashboard") {
      console.debug("[github-nickname] processing feed page");
      processFeedPage();
    } else if (/^\/[a-zA-Z0-9-]+\/?$/.test(location.pathname)) {
      console.debug("[github-nickname] processing profile page");
      processProfilePage();
    }
  }

  // Observers & event listeners

  var debounceTimer = null;
  var observer = new MutationObserver(function () {
    clearTimeout(debounceTimer);
    debounceTimer = setTimeout(processPage, 300);
  });
  observer.observe(document.body, { childList: true, subtree: true });

  var origPushState = history.pushState;
  history.pushState = function () {
    origPushState.apply(this, arguments);
    console.debug("[github-nickname] pushState detected, path:", location.pathname);
    processPage();
  };
  var origReplaceState = history.replaceState;
  history.replaceState = function () {
    origReplaceState.apply(this, arguments);
    console.debug("[github-nickname] replaceState detected, path:", location.pathname);
    processPage();
  };
  window.addEventListener("popstate", function () {
    console.debug("[github-nickname] popstate detected, path:", location.pathname);
    processPage();
  });
})();