recorder-audio-worklet/src/worklet/worklet.ts

This module provides a loader for the RecorderAudioWorkletProcessor and the corresponding RecorderAudioWorkletNode.

// This is the minified and stringified code of the recorder-audio-worklet-processor package.
export const worklet = `(()=>{"use strict";class e extends AudioWorkletProcessor{constructor(){super(),this._encoderPort=null,this._numberOfChannels=0,this._state="inactive",this.port.onmessage=({data:e})=>{"pause"===e.method?"active"===this._state||"recording"===this._state?(this._state="paused",this._sendAcknowledgement(e.id)):this._sendUnexpectedStateError(e.id):"record"===e.method?"inactive"===this._state?(this._encoderPort=e.params.encoderPort,this._state="active",this._sendAcknowledgement(e.id)):this._sendUnexpectedStateError(e.id):"resume"===e.method?"paused"===this._state?(this._state="active",this._sendAcknowledgement(e.id)):this._sendUnexpectedStateError(e.id):"stop"===e.method?"active"!==this._state&&"paused"!==this._state&&"recording"!==this._state||null===this._encoderPort?this._sendUnexpectedStateError(e.id):(this._stop(this._encoderPort),this._sendAcknowledgement(e.id)):"number"==typeof e.id&&this.port.postMessage({error:{code:-32601,message:"The requested method is not supported."},id:e.id})}}process([e]){if("inactive"===this._state||"paused"===this._state)return!0;if("active"===this._state){if(void 0===e)throw new Error("No channelData was received for the first input.");if(0===e.length)return!0;this._state="recording"}if("recording"===this._state&&null!==this._encoderPort){if(void 0===e)throw new Error("No channelData was received for the first input.");return 0===e.length?this._encoderPort.postMessage(Array.from({length:this._numberOfChannels},(()=>128))):(this._encoderPort.postMessage(e,e.map((({buffer:e})=>e))),this._numberOfChannels=e.length),!0}return!1}_sendAcknowledgement(e){this.port.postMessage({id:e,result:null})}_sendUnexpectedStateError(e){this.port.postMessage({error:{code:-32603,message:"The internal state does not allow to process the given message."},id:e})}_stop(e){e.postMessage([]),e.close(),this._encoderPort=null,this._state="stopped"}}e.parameterDescriptors=[],registerProcessor("recorder-audio-worklet-processor",e)})();`; // tslint:disable-line:max-line-length