react-native-mqtt-js

import MqttClient from "./mqtt";

const mqttClientParams = { onConnected: (e) => this._onConnected(e), onLostConnect: (e) => this._onLostConnect(e), onArrived: (e) => this._onArrived(e), };

this.MqttClient = new MqttClient({ ...mqttClientParams, name: name, host: host, port: mqttPort, clientId: clientId:, });

this.MqttClient .connect();