Clear a ui-select dropdown field or provide an empty value

I wanted to add a little filter to a dropdown and did so with a ui-select component which works almost perfectly except once set I am struggling to then unet the value. Only other values are shown and there is no blank option. I added this field to category_form.xml <field name=”category_brands_root” component=”Harrigo_CustomMenu/js/components/select-brand”> <argument name=”data” xsi:type=”array”>…

Is any extention available for internationa phonel validation like Google libphonenumber?

Is any extention available for internationa phonel validation like Google libphonenumber? how to use libphonenumber validtion in magento 2 with php code. The below extention is available for js validtion. we need to implement server- side validation for magento 2. I have found below reference. https://github.com/giggsey/libphonenumber-for-php https://github.com/MaxMage/international-telephone-input