vrpc-js/index.html at master · heisenware/vrpc-js · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>VRPC Browser Test</title>
</head>
<body>
    <h1>VRPC Full-Stack Test Page</h1>
    <p>Check the browser's developer console (F12) for output.</p>

    <script src="./browser/vrpc.js"></script>

    <script>
        // The webpack build exposes a global 'vrpc' object
        console.log('Library loaded:', vrpc);

        // Destructure the VrpcClient class from the global object
        const { VrpcClient } = vrpc;

        // --- IMPORTANT ---
        // The broker URL must use the WebSocket protocol (wss:// or ws://)
        // because browsers do not support raw TCP connections.
        const client = new VrpcClient({
            domain: 'vrpc',
            broker: 'wss://broker.hivemq.com:8884/mqtt', // Use wss:// and port 8884 for HiveMQ
            timeout: 8000
        });

        // Add event listeners to see what's happening
        client.on('connect', () => {
            console.log('✅ Connected to MQTT broker!');
        });

        client.on('agent', (info) => {
            console.log('AGENT EVENT:', info);
        });

        client.on('error', (err) => {
            console.error('❌ Client error:', err.message);
        });

        // Create an async function to run the test logic
        async function runTest() {
            try {
                console.log('Attempting to connect...');
                await client.connect();

                // Once connected, you can use the client's methods
                const agents = client.getAvailableAgents();
                console.log('Available agents:', agents);

                // Example: Try to get a non-existent instance to test error handling
                try {
                    await client.getInstance('nonExistentInstance', { noWait: true });
                } catch (err) {
                    console.warn('As expected, could not find instance:', err.message);
                }

            } catch (err) {
                console.error('Failed to connect:', err.message);
            }
        }

        // Run the test
        runTest();
    </script>
</body>
</html>