useOptionalViewController

Callable

• useOptionalViewController<TContext, TService>(declaration: ControllerDeclaration<TContext, TService>): TService | undefined
• useOptionalViewController<TContext, TService, TDefault>(declaration: ControllerDeclaration<TContext, TService>, defaultValue: TDefault): TService | TDefault

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• Returns parent's view controller that is provided for the given controller declaration.

  Optional view controller can be used when the controller is not provided in the context.

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  Type parameters

  • TContext: BaseControllerContext
  • TService: BaseService

  Parameters

  • declaration: ControllerDeclaration<TContext, TService>

  Returns TService | undefined