https://github.com/tuanpmt/react-native-mqttjs

Pure javascript Websocket MQTT client library for react-native
https://github.com/tuanpmt/react-native-mqttjs

mqtt react-natve

Last synced: 9 days ago
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Pure javascript Websocket MQTT client library for react-native

• Host: GitHub
• URL: https://github.com/tuanpmt/react-native-mqttjs
• Owner: tuanpmt
• Created: 2016-05-24T06:31:11.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2021-09-06T15:08:47.000Z (about 3 years ago)
• Last Synced: 2024-10-11T14:09:22.084Z (26 days ago)
• Topics: mqtt, react-natve
• Language: JavaScript
• Homepage:
• Size: 6.84 KB
• Stars: 27
• Watchers: 2
• Forks: 5
• Open Issues: 4
• Metadata Files:
  • Readme: README.md

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README

        
# react-native-mqttjs

## Features

This is 100% Pure javascript Websocket MQTT client library without any dependencies for [react-native](https://facebook.github.io/react-native), use original react-native Websocket, port from: [MQTT client library for Contiki](https://github.com/esar/contiki-mqtt) - Prefer for any IoT Mobile applications using react-native

Support subscribing, publishing, authentication, will messages, keep alive pings and all 3 QoS levels (it should be a fully functional client).

Sampe as [esp_mqtt for ESP8266 chip](https://github.com/tuanpmt/esp_mqtt) and should replace for [react-native-mqtt](https://github.com/tuanpmt/react-native-mqtt)

## Install

`npm i react-native-mqttjs --save`

## Basic usage

```javascript

import { MqttClient } from 'react-native-mqttjs';

var mqtt = new MqttClient();

mqtt.connect('ws://test.mosquitto.org:8080');

mqtt.subscribe({'/topic1': 0}, () => {

  console.log('subscribe success topic1 with qos 0');

});

mqtt.subscribe([{'/topic2': 1}, {'/topic3': 2}], () => {

  console.log('subscribe success topic2 with qos 1, topic3 with qos 2');

});

mqtt.publish('/topic1', 'test', {qos: 0, retain: 0}, () => {

  console.log('publish success');

});

mqtt.addListener('message', (topic, data) => {

  console.log('data arrived, topic: ' + topic + ' - data: ' + data);

});

mqtt.addListener('connect', () => {

  console.log('mqtt connected');

});

```

## API

- Options:

  + keepalive: 120 seconds

  + reschedulePings: reschedule ping messages after sending packets (default true)

  + clientId: 'mqttjs_' + Math.random().toString(16).substr(2, 8)

  + protocolId: 'MQTT' or 'MQIsdp'

  + clean: true, set to false to receive QoS 1 and 2 messages while offline

  + reconnectPeriod: 1000 milliseconds, interval between two reconnections

  + connectTimeout: 30 * 1000 milliseconds, time to wait before a CONNACK is received

  + username: the username required by your broker, if any

  + password: the password required by your broker, if any

  + will: a message that will sent by the broker automatically when the client disconnect badly. The format is:

    - topic: the topic to publish

    - payload: the message to publish

    - qos: the QoS

    - retain: the retain flag

## License

MIT