Function ɵɵdirectiveInject

packages/core/src/render3/instructions/di.ts:45–66

(
  token: ProviderToken<T>,
  flags = InternalInjectFlags.Default,
)

export function ɵɵdirectiveInject<T>(token: ProviderToken<T>): T;
export function ɵɵdirectiveInject<T>(token: ProviderToken<T>, flags: number): T;
export function ɵɵdirectiveInject<T>(
  token: ProviderToken<T>,
  flags = InternalInjectFlags.Default,
): T | null {
  const lView = getLView();
  // Fall back to inject() if view hasn't been created. This situation can happen in tests
  // if inject utilities are used before bootstrapping.
  if (lView === null) {
    // Verify that we will not get into infinite loop.
    ngDevMode && assertInjectImplementationNotEqual(ɵɵdirectiveInject);
    return ɵɵinject(token, flags);
  }
  const tNode = getCurrentTNode();
  const value = getOrCreateInjectable<T>(
    tNode as TDirectiveHostNode,
    lView,
    resolveForwardRef(token),
    flags,
  );
  ngDevMode && emitInjectEvent(token as Type<unknown>, value, flags);
  return value;
}

/**
 * Throws an error indicating that a factory function could not be generated by the compiler for a