gistfile1.js

.directive('ionRadio', function() {
                return {
                    restrict: 'E',
                    replace: true,
                    require: '?ngModel',
                    scope: {
                        ngModel: '=?',
                        ngValue: '=?',
                        ngChange: '&',
                        icon: '@',
                        name: '@'
                    },
                    transclude: true,
                    template: '<label class="item item-radio">' +
                        '<input type="radio" name="{{name}}"' +
                        ' ng-model="ngModel" ng-value="ngValue" ng-change="ngChange()">' +
                        '<div class="item-content disable-pointer-events" ng-transclude></div>' +
                        '<i class="radio-icon disable-pointer-events icon ion-checkmark"></i>' +
                        '</label>',

                    compile: function(element, attr) {
                        //console.log(element.children().eq(0));
                        console.log(attr);
                        if(typeof attr.name === 'undefined') element.children().eq(0).attr('name', 'radio-group');
                        if(attr.icon) element.children().eq(2).removeClass('ion-checkmark').addClass(attr.icon);
                    }
                };
            })