@oat-sa/tao-item-runner-qti/dist/qtiItem/mixin/Mixin.js

TAO QTI Item Runner modules

define(function () { 'use strict';

    //@todo : need refactoring of qti item mixin with lodash.mixin()
    var Mixin = {
        augment: function(targetClass, methods, options) {
            if (typeof targetClass === 'function' && typeof methods === 'object') {
                for (var methodName in methods) {
                    if (!Object.hasOwnProperty(targetClass.prototype, methodName)) {
                        targetClass.prototype[methodName] = methods[methodName];
                    } else {
                        if (options && options.append) {
                            var _parent = targetClass.prototype[methodName];
                            targetClass.prototype[methodName] = function() {
                                methods[methodName].apply(this, arguments);
                                return _parent.apply(this, arguments);
                            };
                        }
                    }
                }
            }
        }
    };

    return Mixin;

});