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

TAO QTI Item Runner modules

//@todo : need refactoring of qti item mixin with lodash.mixin()
export default {
    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);
                        };
                    }
                }
            }
        }
    }
};