Function getCreateEffectMetadata

modules/effects/src/effect_creator.ts:128–158

(
  instance: T
)

}

export function getCreateEffectMetadata<T extends Record<keyof T, Object>>(
  instance: T
): EffectMetadata<T>[] {
  const propertyNames = Object.getOwnPropertyNames(instance) as Array<keyof T>;

  const metadata: EffectMetadata<T>[] = propertyNames
    .filter((propertyName) => {
      if (
        instance[propertyName] &&
        instance[propertyName].hasOwnProperty(CREATE_EFFECT_METADATA_KEY)
      ) {
        // If the property type has overridden `hasOwnProperty` we need to ensure
        // that the metadata is valid (containing a `dispatch` property)
        // https://github.com/ngrx/platform/issues/2975
        const property = instance[propertyName] as any;
        return property[CREATE_EFFECT_METADATA_KEY].hasOwnProperty('dispatch');
      }
      return false;
    })
    .map((propertyName) => {
      const metaData = (instance[propertyName] as any)[
        CREATE_EFFECT_METADATA_KEY
      ];
      return {
        propertyName,
        ...metaData,
      };
    });

  return metadata;
}