bitwarden-estensione-browser/apps/browser/src/services/browserMessaging.service.ts

import { MessagingService } from "jslib-common/abstractions/messaging.service";

export default class BrowserMessagingService implements MessagingService {
  send(subscriber: string, arg: any = {}) {
    const message = Object.assign({}, { command: subscriber }, arg);
    chrome.runtime.sendMessage(message);
  }
}