1/* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16import assert = require('assert'); 17 18function buildName(firstName: string, lastName?: string) { 19 if (lastName) 20 return firstName + ' ' + lastName; 21 else 22 return firstName; 23} 24 25assert(buildName('Bob') === 'Bob', 'success'); 26 27assert(buildName('Bob', 'Adams') === 'Bob Adams', 'success'); 28