huge-peaks.js

// Huge randomized peaks array

import WaveSurfer from 'wavesurfer.js'

const peaks = Array.from({ length: 1000000 }, (_, i) => Math.sin(i * Math.random() * 0.01))

const wavesurfer = WaveSurfer.create({
  container: document.body,
  waveColor: 'rgb(200, 0, 200)',
  progressColor: 'rgb(100, 0, 100)',
  barWidth: 10,
  barRadius: 10,
  barGap: 2,
  url: '/examples/audio/demo.wav',
  minPxPerSec: 1,
  peaks,
  duration: 3 * 60 * 60 * 1000,
})

wavesurfer.on('interaction', () => {
  wavesurfer.play()
})

wavesurfer.on('finish', () => {
  wavesurfer.setTime(0)
})