Phone Number form validation

phone-number-formValidation.js

function validateInput(fieldId) {
  if (/US|CA/.test(scope.countryCode)) {
    ... 
      // pass
      ngModelCtrl.$setValidity("validPhone", true);
      scope.parentModel = phone.international;
    ... 
      // fail
      ngModelCtrl.$setValidity("validPhone", false);
      scope.parentModel = "";
    ...
  } else {
    ...
      // pass
       ngModelCtrl.$setValidity("validPhone", true);
       scope.parentModel = phone.international;
    ...
      // fail 
      ngModelCtrl.$setValidity("validPhone", false);
      scope.parentModel = "";
    ...
    }
  }