ts-event-bus/build/Channels/GenericChannel.js

Distributed messaging in Typescript

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.GenericChannel = void 0;
const DEFAULT_TIMEOUT = 5000;

class GenericChannel {
  constructor(_timeout = DEFAULT_TIMEOUT) {
    this._timeout = _timeout;
    this._onMessageCallbacks = [];
    this._onConnectCallbacks = [];
    this._onDisconnectCallbacks = [];
    this._onErrorCallbacks = [];
    this._ready = false;
  }

  get timeout() {
    return this._timeout;
  }

  onData(cb) {
    if (this._onMessageCallbacks.indexOf(cb) === -1) {
      this._onMessageCallbacks.push(cb);
    }
  }

  onConnect(cb) {
    if (this._ready) {
      cb();
    }

    this._onConnectCallbacks.push(cb);
  }

  onDisconnect(cb) {
    this._onDisconnectCallbacks.push(cb);
  }

  onError(cb) {
    this._onErrorCallbacks.push(cb);
  }

  _messageReceived(message) {
    this._onMessageCallbacks.forEach(cb => cb(message));
  }

  _error(error) {
    this._onErrorCallbacks.forEach(cb => cb(error));
  }

  _connected() {
    this._ready = true;

    this._onConnectCallbacks.forEach(cb => cb());
  }

  _disconnected() {
    this._ready = false;

    this._onDisconnectCallbacks.forEach(cb => cb());
  }

}

exports.GenericChannel = GenericChannel;