mqtt5
mqtt5
is a client library for the MQTT protocol, written in Typescript for deno and the browser.
mqtt5
supports Mqtt protocol versions 5.0 and 3.1.1.
We have confirmed that deno version 1.44.2 or later works.
Usage
Deno CLI
import { Mqtt, MqttProperties, MqttClient } from "https://deno.land/x/mqtt5/deno/mod.ts";
Browser
The following command creates mqtt5.js
in the browser directory.
deno task build_ems
Import and use mqtt5.js
.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Test</title>
</head>
<body>
<script type="module">
import { Mqtt, WebSocketMqttClient } from './mqtt5.mjs';
const logger = (msg, ...args) => {
console.log('[WS-client]', msg, ...args);
}
async function main() {
const client = new WebSocketMqttClient({
url: new URL('wss://localhost:18083'),
clientId: 'someone',
clean: true,
logger: logger,
protocolVersion: Mqtt.ProtocolVersion.MQTT_V5,
keepAlive: 60,
});
await client.connect();
}
main();
</script>
</body>
</html>