/** AudioWorklet processor that forwards raw input samples to the main thread. */

declare function registerProcessor(name: string, ctor: unknown): void
declare class AudioWorkletProcessor {
  readonly port: MessagePort
}

class PcmRecorder extends AudioWorkletProcessor {
  process(inputs: Float32Array[][]): boolean {
    const ch = inputs[0]?.[0]
    if (ch && ch.length > 0) {
      const copy = new Float32Array(ch)
      this.port.postMessage(copy, [copy.buffer])
    }
    return true
  }
}

registerProcessor('pcm-recorder', PcmRecorder)