Making your CV talk 🤖 How to use express JS routes to listen for Web socket API?

 streamAudioAnswer({ question: question, onChunkReceived: (chunk) => { const buffer = Buffer.from(chunk, "base64"); res.write(buffer); }, onChunkFinal: () => { res.end(); }, onError: (error) => { console.error(`WebSocket Error: ${error}`); res.status(500).send(`WebSocket Error: ${error}`); }, onClose: (event) => { if (event.wasClean) { console.info( `Connection closed cleanly, code=${event.code}, reason=${event.reason}` ); } else { console.warn("Connection died"); } res.end(); }, }); 

export const streamAudioAnswer = ({ question, onChunkReceived, onChunkFinal, onError, onClose, }: { question: string; onChunkReceived: (audioChunk: string) => void; onChunkFinal: () => void; onError: (error: ErrorEvent) => void; onClose: (event: CloseEvent) => void; }) => { const voiceId = "IcOKBAbsVAB6WkEg78QO"; const model = "eleven_turbo_v2"; const wsUrl = `wss://api.elevenlabs.io/v1/text-to-speech/${voiceId}/stream-input?model_id=${model}`; const socket = new WebSocket(wsUrl); socket.onopen = async function (_event) { console.log("OPEN SOCKET"); const answerSource = await getAnswerSource(); const answerChunks = await getAnswerChunks(answerSource, question); const bosMessage = { text: " ", voice_settings: { stability: 0.5, similarity_boost: 0.5, }, xi_api_key: process.env.ELEVEN_LABS_API_KEY, }; socket.send(JSON.stringify(bosMessage)); for await (const text of textChunker(answerChunks)) { socket.send(JSON.stringify({ text: text, try_trigger_generation: true })); } const eosMessage = { text: "", }; socket.send(JSON.stringify(eosMessage)); }; socket.onmessage = function (event) { const response = JSON.parse(event.data.toString()); if (response.audio) { onChunkReceived(response.audio); } else { console.log("No audio data in the response"); } if (response.isFinal) { console.log("Audio stream chunks final"); onChunkFinal(); } }; socket.onerror = onError; socket.onclose = onClose; };