Phone Number Directive autofocus

phone-number-autofocus.js

link: function postLink (scope, element, attributes, ngModelCtrl) {
  ...
  
  function splitModel (fieldId) {
    ...
    // If areaCode exists, and current focus is on 
    if (phone.areaCode && fieldId === "area") {
        element.find("#phoneOne").focus();
    }
    else if (phone.phoneOne && fieldId === "one") {
        element.find("#phoneTwo").focus();
    }
    ...
  }
  ...
}