Function isValueProvider

packages/core/src/di/provider_collection.ts:409–411

(value: SingleProvider)

});

export function isValueProvider(value: SingleProvider): value is ValueProvider {
  return value !== null && typeof value == 'object' && USE_VALUE in value;
}

export function isExistingProvider(value: SingleProvider): value is ExistingProvider {
  return !!(value && (value as ExistingProvider).useExisting);