/* 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";

/**
 * Bug 1903480 - Ace Combat 7's site wheel-scrolls ridiculously quickly.
 *
 * The site is intentionally scaling the value of wheel event deltaY by 30
 * on Firefox. We can undo that here.
 */

if (!window.__firefoxWebCompatFixBug1903480) {
  Object.defineProperty(window, "__firefoxWebCompatFixBug1903480", {
    configurable: false,
    value: true,
  });

  console.info(
    "wheel events are being scaled down for compatibility reasons. See https://bugzilla.mozilla.org/show_bug.cgi?id=1903480 for details."
  );

  const proto = WheelEvent.prototype;
  const descriptor = Object.getOwnPropertyDescriptor(proto, "deltaY");
  const { get } = descriptor;

  descriptor.get = function () {
    const value = get.call(this);
    return value / 30;
  };

  Object.defineProperty(proto, "deltaY", descriptor);
}