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Runtime error
Runtime error
| import { useState, useRef, useCallback } from 'react'; | |
| const BACKEND_URL = import.meta.env.VITE_BACKEND_URL || (import.meta.env.DEV ? 'http://localhost:8000' : ''); | |
| export default function useTTS() { | |
| const [isSpeaking, setIsSpeaking] = useState(false); | |
| const audioRef = useRef(null); | |
| const speak = useCallback(async (text) => { | |
| if (!text) return; | |
| setIsSpeaking(true); | |
| try { | |
| const res = await fetch(`${BACKEND_URL}/api/tts`, { | |
| method: 'POST', | |
| headers: { 'Content-Type': 'application/json' }, | |
| body: JSON.stringify({ text }), | |
| }); | |
| if (!res.ok) throw new Error('TTS failed'); | |
| const blob = await res.blob(); | |
| const url = URL.createObjectURL(blob); | |
| const audio = new Audio(url); | |
| audioRef.current = audio; | |
| return new Promise((resolve) => { | |
| audio.onended = () => { | |
| setIsSpeaking(false); | |
| URL.revokeObjectURL(url); | |
| resolve(); | |
| }; | |
| audio.onerror = () => { | |
| setIsSpeaking(false); | |
| URL.revokeObjectURL(url); | |
| resolve(); | |
| }; | |
| audio.play().catch(() => { | |
| setIsSpeaking(false); | |
| resolve(); | |
| }); | |
| }); | |
| } catch (err) { | |
| console.error('TTS error:', err); | |
| setIsSpeaking(false); | |
| } | |
| }, []); | |
| const stop = useCallback(() => { | |
| if (audioRef.current) { | |
| audioRef.current.pause(); | |
| audioRef.current.currentTime = 0; | |
| } | |
| setIsSpeaking(false); | |
| }, []); | |
| return { speak, stop, isSpeaking }; | |
| } | |