Utility function for custom functions.
Cast a value as a non-negative integer,
unwrapping objects using their valueOf() methods.
Also accepts JSON string reprentations of integers.
Throws a RangeError for invalid inputs.
The default functions use this to validate digit size options.
Utility function for custom functions. Cast a value as a non-negative integer, unwrapping objects using their
valueOf()methods. Also accepts JSON string reprentations of integers. Throws aRangeErrorfor invalid inputs.The default functions use this to validate digit size options.