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

/* globals exportFunction */

"use strict";

/**
 * online.singaporepools.com - Shows an 'unsupported browser' alert
 * Bug #1930440 - https://bugzilla.mozilla.org/show_bug.cgi?id=1930440
 * WebCompat issue #143685 - https://webcompat.com/issues/143685
 *
 * We can intercept the call to alert and hide it, as well as hide the
 * additional in-page support message that they show to all browsers.
 */

console.info(
  "window.alert is being overriden for compatibility reasons. See https://bugzilla.mozilla.org/show_bug.cgi?id=1923286 for details."
);

new MutationObserver(mutations => {
  for (let { addedNodes } of mutations) {
    for (const node of addedNodes) {
      try {
        if (
          node.matches(".alert.views-row") &&
          node.innerText.includes("Chrome")
        ) {
          node.remove();
        }
      } catch (_) {}
    }
  }
}).observe(document.documentElement, {
  childList: true,
  subtree: true,
});

const originalAlert = window.wrappedJSObject.alert;
window.wrappedJSObject.alert = exportFunction(function (msg) {
  if (!msg?.toLowerCase?.().includes("unsupported browser")) {
    originalAlert(msg);
  }
}, window);
PK