GitHub → DeepWiki Button

Adds an "Open in DeepWiki" button on GitHub repo pages, search results, topics, and explore pages

Verze ze dne 03. 04. 2026. 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 → DeepWiki Button
// @namespace    http://tampermonkey.net/
// @version      1.2
// @description  Adds an "Open in DeepWiki" button on GitHub repo pages, search results, topics, and explore pages
// @author       Michael Farah
// @license      MIT
// @match        https://github.com/*
// @grant        none
// ==/UserScript==


(function () {
  "use strict";

  const BUTTON_STYLE = `
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    font-size: 12px;
    font-weight: 500;
    color: #fff;
    background-color: #1a6ae4;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    vertical-align: middle;
    margin-left: 6px;
    line-height: 20px;
  `;

  const RESERVED_OWNERS = new Set([
    "topics",
    "search",
    "settings",
    "orgs",
    "users",
    "explore",
    "trending",
    "marketplace",
    "sponsors",
    "notifications",
    "about",
    "pricing",
    "enterprise",
    "blog",
    "readme",
    "security",
    "contact",
    "features",
    "join",
    "login",
    "pulls",
    "issues",
    "stars",
  ]);

  function getRepoPath(urlPath) {
    const match = urlPath.match(/^\/([^/]+)\/([^/]+)\/?$/);
    if (!match) return null;
    const owner = match[1];
    const repo = match[2];
    if (RESERVED_OWNERS.has(owner.toLowerCase())) return null;
    return `${owner}/${repo}`;
  }

  function makeButton(repoPath) {
    const url = `https://deepwiki.com/${repoPath}`;
    const btn = document.createElement("a");
    btn.href = url;
    btn.target = "_blank";
    btn.rel = "noopener noreferrer";
    btn.setAttribute("style", BUTTON_STYLE);
    btn.className = "deepwiki-btn-injected";
    btn.innerHTML = `
      <svg width="12" height="12" viewBox="0 0 16 16" fill="currentColor">
        <path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38
          0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13
          -.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66
          .07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15
          -.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82a7.65 7.65 0 0 1 2-.27
          c.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12
          .51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48
          0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0 0 16 8c0-4.42-3.58-8-8-8z"/>
      </svg>
      DeepWiki
    `;
    btn.title = `Open on DeepWiki: ${url}`;
    return btn;
  }

  // ── Repo page ──────────────────────────────────────────────────────────────
  function addButtonToRepoPage() {
    const repoPath = getRepoPath(location.pathname);
    if (!repoPath) return;
    if (document.getElementById("deepwiki-repo-btn")) return;

    const heading = document.querySelector('[itemprop="name"] a, h1.d-flex a');
    if (heading) {
      const btn = makeButton(repoPath);
      btn.id = "deepwiki-repo-btn";
      heading.parentElement.appendChild(btn);
    }
  }

  // ── Shared helper: inject buttons next to a set of anchor elements ─────────
  function injectButtonsForLinks(links) {
    links.forEach((link) => {
      const href = link.getAttribute("href") || "";
      const repoPath = getRepoPath(href);
      if (!repoPath) return;
      if (link.parentElement.querySelector(".deepwiki-btn-injected")) return;
      link.parentElement.appendChild(makeButton(repoPath));
    });
  }

  // ── Search results page ────────────────────────────────────────────────────
  function addButtonsToSearchResults() {
    const links = document.querySelectorAll(
      'div[data-testid="results-list"] a[href^="/"], ' +
        "li.repo-list-item a.v-align-middle, " +
        "div.search-title a"
    );
    injectButtonsForLinks(links);
  }

  // ── Topics page  (github.com/topics/<name>) ────────────────────────────────
  function addButtonsToTopicsPage() {
    // Each repo card is an <article>; find all of them
    document.querySelectorAll("article.border").forEach((card) => {
      // Already injected
      if (card.querySelector(".deepwiki-btn-injected")) return;

      const links = card.querySelectorAll('h3 a[href^="/"]');
      if (links.length < 2) return;

      // The second link contains the full repository path (e.g., "/rust-lang/rust")
      const repoPath = getRepoPath(links[1].getAttribute("href"));

      // If the path is invalid or belongs to a reserved owner, skip it
      if (!repoPath) return;

      const btn = makeButton(repoPath);

      // Append button after the h3 heading, inside the card
      const heading = card.querySelector("h3");
      if (heading) heading.appendChild(btn);
    });
  }

  // ── Explore page  (github.com/explore) ────────────────────────────────────
  function addButtonsToExplorePage() {
    const links = document.querySelectorAll(
      'article a[href^="/"][data-ga-click], ' +
        'div.explore-content a.text-bold[href^="/"]'
    );
    injectButtonsForLinks(links);
  }

  // ── Router ─────────────────────────────────────────────────────────────────
  function run() {
    const path = location.pathname;
    const search = location.search;

    if (path.startsWith("/search") || search.includes("type=repositories")) {
      addButtonsToSearchResults();
    } else if (path.startsWith("/topics/") || path === "/topics") {
      // /topics/<name> — list of repos tagged with that topic
      // Note: /topics itself is just a browse page with no repo cards, but
      // running the injector is harmless; it simply won't find matching links.
      addButtonsToTopicsPage();
    } else if (path.startsWith("/explore")) {
      addButtonsToExplorePage();
    } else {
      addButtonToRepoPage();
    }
  }

  run();

  // Debounced observer — avoids hammering run() on every tiny DOM mutation
  let debounceTimer;
  const observer = new MutationObserver(() => {
    clearTimeout(debounceTimer);
    debounceTimer = setTimeout(run, 300);
  });
  observer.observe(document.body, { childList: true, subtree: true });
})();