Function getFactoryDef

packages/core/src/render3/definition_factory.ts:31–37

(type: any, throwNotFound?: boolean)

export function getFactoryDef<T>(type: any, throwNotFound: true): FactoryFn<T>;
export function getFactoryDef<T>(type: any): FactoryFn<T> | null;
export function getFactoryDef<T>(type: any, throwNotFound?: boolean): FactoryFn<T> | null {
  const hasFactoryDef = type.hasOwnProperty(NG_FACTORY_DEF);
  if (!hasFactoryDef && throwNotFound === true && ngDevMode) {
    throw new Error(`Type ${stringify(type)} does not have 'ɵfac' property.`);
  }
  return hasFactoryDef ? type[NG_FACTORY_DEF] : null;
}