import { FaceDetection } from '../classes/FaceDetection';

export type WithFaceDetection<TSource> = TSource & {
  detection: FaceDetection
}

export function isWithFaceDetection(obj: any): obj is WithFaceDetection<{}> {
  return obj.detection instanceof FaceDetection;
}

export function extendWithFaceDetection<TSource>(sourceObj: TSource, detection: FaceDetection): WithFaceDetection<TSource> {
  const extension = { detection };
  return { ...sourceObj, ...extension };
}