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

    Type Parameters

    • T = unknown

    Parameters

    • value: unknown

      The value to test.

    Returns Optional<T[]>

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

    Type Parameters

    • T = unknown

    Parameters

    • value: unknown

      The value to test.

    • defaultValue: T[]

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

    Returns T[]