RocketChat/Rocket.Chat

import { Tracker } from 'meteor/tracker';

import { settings } from '../../../app/settings/client';

export const fireGlobalEvent = (eventName: string, detail?: unknown): void => {
    window.dispatchEvent(new CustomEvent(eventName, { detail }));

    Tracker.autorun((computation) => {
        const enabled = settings.get('Iframe_Integration_send_enable');
        if (enabled === undefined) {
            return;
        }

        computation.stop();

        if (enabled) {
            parent.postMessage(
                {
                    eventName,
                    data: detail,
                },
                settings.get('Iframe_Integration_send_target_origin'),
            );
        }
    });
};