reddit-tweaks-ffe/content/main.js

(function () {
  "use strict";

  async function init() {
    const settings = await window.RedditTweaks.loadSettings();
    if (!settings.enabled) return;

    document.documentElement.classList.add("rt-enabled");
    window.RedditTweaks.badgeTweak.apply(settings);

    browser.storage.onChanged.addListener(function (changes) {
      if (changes.enabled && changes.enabled.newValue !== changes.enabled.oldValue) {
        location.reload();
        return;
      }

      window.RedditTweaks.loadSettings().then(function (updated) {
        window.RedditTweaks.badgeTweak.updateColors(updated);
      });
    });
  }

  init();
})();