function update()

in _dist/alertify/alertify.js [929:981]

• 47 lines of code
• 11 McCabe index (conditional complexity)

        function update(instance, obj, callback, key, value){
            var result = {op:undefined, items: [] };
            if(typeof value === 'undefined' && typeof key === 'string') {
                //get
                result.op = 'get';
                if(obj.hasOwnProperty(key)){
                    result.found = true;
                    result.value = obj[key];
                }else{
                    result.found = false;
                    result.value = undefined;
                }
            }
            else
            {
                var old;
                //set
                result.op = 'set';
                if(typeof key === 'object'){
                    //set multiple
                    var args = key;
                    for (var prop in args) {
                        if (obj.hasOwnProperty(prop)) {
                            if(obj[prop] !== args[prop]){
                                old = obj[prop];
                                obj[prop] = args[prop];
                                callback.call(instance,prop, old, args[prop]);
                            }
                            result.items.push({ 'key': prop, 'value': args[prop], 'found':true});
                        }else{
                            result.items.push({ 'key': prop, 'value': args[prop], 'found':false});
                        }
                    }
                } else if (typeof key === 'string'){
                    //set single
                    if (obj.hasOwnProperty(key)) {
                        if(obj[key] !== value){
                            old  = obj[key];
                            obj[key] = value;
                            callback.call(instance,key, old, value);
                        }
                        result.items.push({'key': key, 'value': value , 'found':true});

                    }else{
                        result.items.push({'key': key, 'value': value , 'found':false});
                    }
                } else {
                    //invalid params
                    throw new Error('args must be a string or object');
                }
            }
            return result;
        }