angular-audio-context/src/audio-context.module.ts

An Angular wrapper for the Web Audio API's AudioContext.

import { CommonModule } from '@angular/common';
import { InjectionToken, ModuleWithProviders, NgModule } from '@angular/core';
import { IAudioContext, IAudioContextOptions, isSupported as standardizedAudioContextModuleIsSupported } from 'standardized-audio-context';
import { audioContextFactory } from './audio-context-factory';
import { AudioContextProxy } from './audio-context-proxy';
import { isSupportedFactory } from './is-supported-factory';
import { latencyHintToken } from './latency-hint-token';

// eslint-disable-next-line unicorn/prefer-export-from
export { AudioContextProxy as AudioContext, IAudioContext, IAudioContextOptions };

export const isSupported = new InjectionToken<typeof standardizedAudioContextModuleIsSupported>('IS_SUPPORTED_PROMISE');

@NgModule({
    imports: [CommonModule],
    providers: [{ provide: isSupported, useFactory: isSupportedFactory }]
})
export class AudioContextModule {
    public static forChild(): ModuleWithProviders<AudioContextModule> {
        return {
            ngModule: AudioContextModule
        };
    }

    public static forRoot(latencyHint?: IAudioContextOptions['latencyHint']): ModuleWithProviders<AudioContextModule> {
        return {
            ngModule: AudioContextModule,
            providers: [
                { deps: [latencyHintToken], provide: AudioContextProxy, useFactory: audioContextFactory },
                { provide: latencyHintToken, useValue: latencyHint }
            ]
        };
    }
}