AngularJS directive for iCheck jquery plugin

icheck-angular.js

/**
 * @Company: winrtech
 * @Author: rahul
 */
'use strict';

// Directive : icheck

// attributes
// data-label : To set element label or text
// data-checkbox : set checkbox class for iCheck
// data-radio : set radio class for iCheck

(function() {

    var icheck = function($timeout, $parse) {
        return {
            require: 'ngModel',
            link: function($scope, element, $attrs, ngModel) {
                return $timeout(function() {
                    var value = $attrs['value'];

                    var defaultCheckboxClass = 'icheckbox';
                    var defaultRadioClass = 'iradio';

                    var options = {
                        checkboxClass: $attrs['checkbox'] ? $attrs['checkbox'] : defaultCheckboxClass,
                        radioClass: $attrs['radio'] ? $attrs['radio'] : defaultRadioClass,
                        insert: $attrs['label'] ? $attrs['label'] : ''
                    };

                    $scope.$watch($attrs['ngModel'], function(newValue) {
                        $(element).iCheck('update');
                    })

                    return $(element).iCheck(options).on('ifChanged', function(event) {
                        if ($(element).attr('type') === 'checkbox' && $attrs['ngModel']) {
                            $scope.$apply(function() {
                                return ngModel.$setViewValue(event.target.checked);
                            });
                        }
                        if ($(element).attr('type') === 'radio' && $attrs['ngModel']) {
                            return $scope.$apply(function() {
                                return ngModel.$setViewValue(value);
                            });
                        }
                    });
                });
            }
        };
    };

    angular.module('w_icheck', [])
        .directive('icheck', icheck);
}());