where could I find some demo in nodejs about funasr HOT 7 CLOSED

async function connect(): Promise<WebSocket> {
	const uri = `wss://0.0.0.0:10095`;
	return new Promise<WebSocket>((resolve, reject) => {
		const ws = new WebSocket(uri, [], {
			rejectUnauthorized: false,
			// secureOptions: SSL_OP_NO_TLSv1_2,
		});
		ws.on('open', () => {
			console.log('连接成功');
			resolve(ws);
			setInterval(() => {
				ws.send('ping');
			}, 1000);
		});
		ws.on('message', (raw) => {
			const data = JSON.parse(Buffer.from(raw as Buffer).toString('utf-8')) as {
				text: string;
				timestamp: string;
				wav_name: string;
				is_final: boolean;
				mode: '2pass-offline';
				stamp_sents: {
					end: number;
					punc: string;
					start: number;
					text_seg: string;
					ts_list: number[];
				}[];
			};
			console.log('收到消息', data.text);
		});
		ws.on('error', (err) => {
			console.log('连接失败', err);
			reject(err);
		});
	});
}
async function main(): Promise<void> {
	const filepath = '/home/taoqf/Downloads/testmp4.wav';
	const mode = '2pass';
	// const mode = 'offline';
	const useItn = true;

	// 读取hotword文件并构建fst_dict
	const fstDict = {
		'产教': 10,
		// '铲掉': 0
	};
	const hotwordMessage = JSON.stringify(fstDict);
	console.log(hotwordMessage);

	const ws = await connect();
	console.log('开始发送数据');
	// 模拟sample_rate和wav_format
	const sampleRate = 8000; // 假设的采样率
	const wavFormat = 'pcm';
	const chunk_size = [5, 10, 5];	// 表示流式模型latency配置，`[5,10,5]`，表示当前音频为600ms，并且回看300ms，又看300ms。
	const chunk_interval = 10;

	// 发送第一条消息
	// {"audio_fs":8000,"chunk_interval":10,"chunk_size":[5,10,5],"hotwords":"","is_speaking":true,"itn":true,"mode":"offline","wav_format":"pcm","wav_name":"demo"}, msg_data->msg={"access_num":0,"audio_fs":8000,"is_eof":false,"itn":true,"mode":"offline","wav_format":"pcm","wav_name":"demo"}
	const message = JSON.stringify({
		mode,
		chunk_size,
		chunk_interval,
		audio_fs: sampleRate,
		wav_name: 'demo', // 假设的wav名称
		wav_format: wavFormat,
		is_speaking: true,
		hotwords: hotwordMessage,
		itn: useItn
	});
	await ws.send(message);
	// 处理wav文件
	const buf = await readFile(filepath);
	let i = 0;	 // skip first 44 wav header
	// ws.send(buf);
	const int_chunk_size = 60 * chunk_size[1] / chunk_interval;
	const chunk = sampleRate / 1000 * int_chunk_size;
	console.log('开始发送文件内容', buf.length, chunk);
	while (i < buf.length) {
		const sub = buf.subarray(i, i += chunk * 2);
		ws.send(sub);
		console.log('发送', i);
		await sleep(100);
	}
	console.log('文件内容发送结束');
	// await sleep(100000);
	// end 
	const endMessage = JSON.stringify({ is_speaking: false });
	await ws.send(endMessage);

	console.log('发送结束');

	// await ws.close();
	console.log('end');
}