Function asFunction

  • asFunction(value): Optional<AnyFunction>

  • Narrows an unknown value to an AnyFunction if it is type-compatible, or returns undefined otherwise.

    Parameters

    • value: unknown

      The value to test.

    Returns Optional<AnyFunction>

  • asFunction(value, defaultValue): AnyFunction

  • Narrows an unknown value to an object if it is type-compatible, or returns the provided default otherwise.

    Parameters

    • value: unknown

      The value to test.

    • defaultValue: AnyFunction

      The default to return if value was undefined or of the incorrect type.

    Returns AnyFunction

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