in src/endpoints/TracksEndpoints.ts [22:29]
public async audioFeatures(idOrIds: string | string[]) {
if (typeof idOrIds === 'string') {
return this.getRequest<AudioFeatures>(`audio-features/${idOrIds}`);
}
const params = this.paramsFor({ ids: idOrIds });
const response = await this.getRequest<AudioFeaturesCollection>(`audio-features${params}`);
return response.audio_features;
}