Class AsyncPipe<T>

Pipes are used as singleton it will be created if it needed, had no life cycle

  • no dependency injection applied on filters for now, TODO: add support of dependency injection

Type Parameters

  • T

Hierarchy (View Summary)

  • AsyncPipeTransform<
        | Observable<T>
        | Subscribable<T>
        | EventEmitter<T>
        | Promise<T>
        | null
        | undefined,
        T | null,
    >
    • AsyncPipe

Implements

Constructors

constructor

Properties

changeDetectorRef

Methods

onDestroy transform

Constructors

constructor

Properties

ProtectedchangeDetectorRef

changeDetectorRef: ChangeDetectorRef

Methods

onDestroy

transform

  • transform(
        obj: Observable<T> | Subscribable<T> | EventEmitter<T> | Promise<T>,
    ): null | T

  • Parameters

    • obj: Observable<T> | Subscribable<T> | EventEmitter<T> | Promise<T>

    Returns null | T

  • transform(obj: undefined | null): null

  • Parameters

    • obj: undefined | null

    Returns null

  • transform(
        obj:
            | undefined
            | null
            | Observable<T>
            | Subscribable<T>
            | EventEmitter<T>
            | Promise<T>,
    ): null | T

  • Parameters

    • obj:
          | undefined
          | null
          | Observable<T>
          | Subscribable<T>
          | EventEmitter<T>
          | Promise<T>

    Returns null | T

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