fx_cast/ext/src/cast/contentBridge.ts

"use strict";

import eventMessaging from "./eventMessaging";

import messaging, { Message } from "../messaging";

// Message port to background script
export const backgroundPort = messaging.connect({ name: "cast" });

const forwardToPage = (message: Message) => {
    eventMessaging.extension.sendMessage(message);
};
const forwardToMain = (message: Message) => {
    backgroundPort.postMessage(message);
};

// Add message listeners
backgroundPort.onMessage.addListener(forwardToPage);
eventMessaging.extension.addListener(forwardToMain);

// Remove listeners
backgroundPort.onDisconnect.addListener(() => {
    backgroundPort.onMessage.removeListener(forwardToPage);
    eventMessaging.extension.addListener(forwardToMain);
});