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

    Parameters

    • value: unknown

      The value to test.

    Returns Optional<string>

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

    Parameters

    • value: unknown

      The value to test.

    • defaultValue: string

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

    Returns string