How add options to a select with an AngularJS directive?

Question

I have a select tag (to be used for country selection) which I want to prefill with options using a directive:

<select class="countryselect" required ng-model="cust.country"></select>

My directive goes like

return {
  restrict : "C",
  link: function postLink(scope, iElement, iAttrs) {
     var countries = [
        ["AND","AD - Andorra","AD"],
        ["UAE","AE - Vereinigte Arabische Emirate","AE"]
        ... //loop array and generate opt elements
        iElement.context.appendChild(opt);
    }
  }

I am able to fill the select with additional options, but the ng-model binding does not work. Even if cust.country has a value (e.g. "UAE"), the option is not selected.

How to make the select display the value of cust.country? If think I have some timing problem here.

Answer 1

You need to add the options to the ngModelController so that this works. E.g. like this:

return {
    restrict : 'C',
    require: ['select', 'ngModel'],
    link: function(scope, element, attrs, controllers) {
        var countries = [['A', 'text text']];
        countries.forEach(option => {
            const optionElement = angular.element('<option/>')
                .attr('value', option[0])
                .text(option[1]);

            element.append(optionElement);
            controllers[0].addOption(option.value, optionElement);
        });
    }
};