115 lines
2.9 KiB
TypeScript
115 lines
2.9 KiB
TypeScript
import React, { useEffect, useRef, useState } from 'react';
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import WaveSurfer from 'wavesurfer.js';
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interface AudioWaveformProps {
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audioUrl: string;
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height?: number;
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className?: string;
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}
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const AudioWaveform: React.FC<AudioWaveformProps> = ({
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audioUrl,
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height = 32,
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className = ''
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}) => {
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const waveformRef = useRef<HTMLDivElement>(null);
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const wavesurfer = useRef<WaveSurfer | null>(null);
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const [isLoading, setIsLoading] = useState(true);
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const [error, setError] = useState(false);
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useEffect(() => {
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let mounted = true;
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const initWaveSurfer = async () => {
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if (!waveformRef.current || !audioUrl) return;
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try {
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// Clean up any existing instance
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if (wavesurfer.current) {
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try {
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wavesurfer.current.destroy();
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} catch (e) {
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// Silently ignore destroy errors
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}
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wavesurfer.current = null;
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}
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wavesurfer.current = WaveSurfer.create({
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container: waveformRef.current,
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waveColor: 'rgba(255, 255, 255, 0.6)',
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progressColor: 'rgba(255, 255, 255, 0.9)',
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cursorColor: 'transparent',
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barWidth: 2,
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barGap: 1,
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height: height,
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normalize: true,
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interact: false,
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});
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// Event listeners
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wavesurfer.current.on('ready', () => {
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if (mounted) {
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setIsLoading(false);
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setError(false);
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}
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});
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wavesurfer.current.on('error', (err) => {
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console.error('WaveSurfer error:', err);
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if (mounted) {
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setError(true);
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setIsLoading(false);
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}
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});
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await wavesurfer.current.load(audioUrl);
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} catch (err) {
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console.error('Failed to initialize WaveSurfer:', err);
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if (mounted) {
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setError(true);
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setIsLoading(false);
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}
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}
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};
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initWaveSurfer();
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return () => {
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mounted = false;
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if (wavesurfer.current) {
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try {
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wavesurfer.current.destroy();
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} catch (e) {
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// Silently ignore destroy errors
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}
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wavesurfer.current = null;
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}
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};
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}, [audioUrl, height]);
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if (error) {
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return (
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<div className={`flex items-center justify-center ${className}`} style={{ height }}>
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<span className="text-xs text-foreground/60">Audio unavailable</span>
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</div>
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);
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}
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return (
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<div className={`relative ${className}`}>
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{isLoading && (
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<div className="absolute inset-0 flex items-center justify-center">
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<span className="text-xs text-foreground/60">Loading...</span>
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</div>
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)}
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<div
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ref={waveformRef}
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className={`w-full transition-opacity duration-200 ${isLoading ? 'opacity-0' : 'opacity-100'}`}
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style={{ height }}
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/>
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</div>
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);
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};
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export default AudioWaveform; |