Construction JavaScript Injection

Inject some javascript into these websites
Stan na 27-06-2025. Zobacz najnowsza wersja.
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// ==UserScript==
// @name            Construction JavaScript Injection
// @description     Inject some javascript into these websites
// @version         1.0.3
// @author          Oliver P
// @namespace       https://github.com/OlisDevSpot
// @license         MIT
// @match           *://*/*
// @run-at          document-end
// @compatible      safari
// @grant           GM.getValue
// @grant           GM.setValue
// @grant           GM.registerMenuCommand
// ==/UserScript==

// jshint esversion: 8

(async function () {
  if (window.self !== window.top) return;

  let company = await GM.getValue("company");
  let firstName = await GM.getValue("firstName");
  let lastName = await GM.getValue("lastName");

  if (!company || !firstName || !lastName) {
    GM.registerMenuCommand("Set Sales Credentials", configure);
    await configure();
  }

  async function configure() {
    company = prompt("Enter your company name (e.g. david-star):") || "";
    firstName = prompt("First name:") || "";
    lastName = prompt("Last name:") || "";

    if (company && firstName && lastName) {
      await GM.setValue("company", company);
      await GM.setValue("firstName", firstName);
      await GM.setValue("lastName", lastName);
      location.reload();
    } else {
      alert("Values cannot be empty!");
    }
  }

  // Build dynamic fetch URL
  const salesperson = { firstName, lastName };
  const currentSiteUrl = encodeURIComponent(window.location.href);
  const params = new URLSearchParams({
    data: JSON.stringify({ currentSiteUrl, salesperson }),
  });
  const url = `https://${company}.pages.dev/your-endpoint?${params}`;

  // Inject dynamic code
  fetch(url)
    .then((res) => res.text())
    .then((code) => {
      const s = document.createElement("script");
      s.textContent = code;
      document.head.appendChild(s);
    })
    .catch((err) => console.error("Inject error:", err));
})();