How to format XX-XXX XXXX in gold-phone-input? Thank you

Directory gold-phone-input
1

How to format XX-XXX XXXX in gold-phone-input?
Thank you

2

Use the phone-number-pattern=“X-XX-XX-XX-XX” attribute.
See: https://www.webcomponents.org/element/@polymer/gold-phone-input

3

Yes. But I want to use XX-XXX XXXX within underscore and whitespace.

4

Feature requests should go to the component author at https://github.com/PolymerElements/gold-phone-input

This add-on is a wrapper for the component.

5

How to add-on a wrapper for the component?