remove_firefox_from_useragent.js

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

"use strict";

if (navigator.userAgent.includes("Firefox")) {

  const ua = navigator.userAgent.replace("Firefox", "Fire_fox");

  const nav = Object.getPrototypeOf(navigator);

  const desc = Object.getOwnPropertyDescriptor(nav, "userAgent");

  desc.get = () => ua;

  Object.defineProperty(nav, "userAgent", desc);

  window.__webcompat = (window.__webcompat ?? new Set()).add(

    "navigator.userAgent"

);