keepLastValue

Callable

• keepLastValue<T>(source: Signal<T>): DestroyableAtom<T | undefined>
• keepLastValue<T>(source: Signal<T>, initialValue: T): DestroyableAtom<T>
• keepLastValue<T>(source: Signal<T>, initialValue?: T): DestroyableAtom<T | undefined>

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• Returns an atom which remembers the last emitter value.

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  Type parameters

  • T

  Parameters

  • source: Signal<T>

    The source signal.

  Returns DestroyableAtom<T | undefined>