phone_number
Description:Formats phone numbers to a standard format.
postal_code
Description:Formats postal codes to a standard format.
state_code
Description:Formats state codes to a standard format.
strip
Description:Trims leading and trailing whitespace.
custom
Description:Custom transformation function. Additional:
Requires a
key and a transformFn to modify the value.
Return undefined in transformFn to skip the transformation.