Stack Overflow on Google Search

Adds a button to search stackoverflow via Google Search
As of 31.07.2023. See ბოლო ვერსია.
Ask a question, post a review, or report the script.
Wrap lines
// ==UserScript==
// @name         Stack Overflow on Google Search
// @version      2.0.4
// @description  Adds a button to search stackoverflow via Google Search
// @author       Alexyoe
// @namespace    https://github.com/Alexyoe/stackoverflow-search-on-google.git
// @include      http*://www.google.*/search*
// @include      http*://google.*/search*
// @run-at       document-end
// @license MIT
// ==/UserScript==

// Settings
const iconVisible = true;
const nameVisible = true;
const btnPosition = "end"; // Start or End

// Start Code
const queryRegex = /q=[^&]+/g;
const siteRegex = /\+site(?:%3A|\:).+\.[^&+]+/g;
const stackoverflowUrl = "+site%3Astackoverflow.com";
let stackoverflowIcon =
  '<svg class="DCxYpf" xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 384 512"><path d="M290.7 311L95 269.7 86.8 309l195.7 41zm51-87L188.2 95.7l-25.5 30.8 153.5 128.3zm-31.2 39.7L129.2 179l-16.7 36.5L293.7 300zM262 32l-32 24 119.3 160.3 32-24zm20.5 328h-200v39.7h200zm39.7 80H42.7V320h-40v160h359.5V320h-40z"/></svg>';
const isImageSearch = /[?&]tbm=isch/.test(location.search);
console.log(isImageSearch);

if (typeof trustedTypes !== "undefined") {
  const policy = trustedTypes.createPolicy("html", {
    createHTML: (input) => input,
  });
  stackoverflowIcon = policy.createHTML(stackoverflowIcon);
}

(function () {
  // Create the link element
  const el = document.createElement("a");
  el.className = isImageSearch ? "NZmxZe" : "zItAnd FOU1zf GMT2kb";

  // Add icon to the link
  if (iconVisible) {
    const span = document.createElement("span");
    span.className = isImageSearch ? "m3kSL" : "mUKzod";
    span.style.cssText = nameVisible ? "height:16px;width:16px;display:block" : "height:16px;width:16px;display:block;margin:auto";
    span.innerHTML = stackoverflowIcon;
    el.appendChild(span);
  }

  // Create the div element for the text
  const link = document.createElement("div");
  link.textContent = "Stack Overflow";
  if (nameVisible) {
    el.appendChild(link);
  }

  // Add site:stackoverflow.com to the query
  el.href = window.location.href.replace(queryRegex, (match) =>
    match.search(siteRegex) >= 0
      ? match.replace(siteRegex, stackoverflowUrl)
      : match + stackoverflowUrl
  );

  // Insert the link into Google search
  if (isImageSearch) {
    let menuBar = document.querySelector(".T47uwc");
    menuBar.insertBefore(el, menuBar.children[menuBar.childElementCount - 1]);
  } else {
    let menuBar = document.querySelectorAll(".nfdoRb")[1];
    switch (btnPosition) {
      case "start":
        menuBar.insertBefore(el, menuBar.children[0]);
        break;
      case "end":
        menuBar.appendChild(el);
        break
      default:
        menuBar.appendChild(el);
        break;
    }
  }

  // Fix Sizing
  const buttonBox = document.querySelector(".xhjkHe");
  buttonBox.style.width = "auto";
})();