• Create a new signal that is computed based on the values of other signals.

    The returned computed signal is read-only, and its value is automatically updated when any signals accessed from within the callback function change.

    Type Parameters

    • T

    Parameters

    • fn: (() => T)

      The effect callback.

        • (): T
        • Returns T

    Returns ReadonlySignal<T>

    A new read-only signal.