Function forwardRef

packages/core/src/di/forward_ref.ts:69–78

(forwardRefFn: ForwardRefFn)

 * @publicApi
 */
export function forwardRef(forwardRefFn: ForwardRefFn): Type<any> {
  (<any>forwardRefFn).__forward_ref__ = forwardRef;
  if (ngDevMode) {
    (<any>forwardRefFn).toString = function () {
      return stringify(this());
    };
  }

  return <Type<any>>(<any>forwardRefFn);
}

/**
 * Lazily retrieves the reference value from a forwardRef.