13af6ab5fSopenharmony_ci/* 23af6ab5fSopenharmony_ci * Copyright (c) 2023 Huawei Device Co., Ltd. 33af6ab5fSopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 43af6ab5fSopenharmony_ci * you may not use this file except in compliance with the License. 53af6ab5fSopenharmony_ci * You may obtain a copy of the License at 63af6ab5fSopenharmony_ci * 73af6ab5fSopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 83af6ab5fSopenharmony_ci * 93af6ab5fSopenharmony_ci * Unless required by applicable law or agreed to in writing, software 103af6ab5fSopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS, 113af6ab5fSopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 123af6ab5fSopenharmony_ci * See the License for the specific language governing permissions and 133af6ab5fSopenharmony_ci * limitations under the License. 143af6ab5fSopenharmony_ci */ 153af6ab5fSopenharmony_ci 163af6ab5fSopenharmony_ciimport assert = require('assert'); 173af6ab5fSopenharmony_ci 183af6ab5fSopenharmony_ciinterface StringValidator { 193af6ab5fSopenharmony_ci isAcceptable(s: string): boolean; 203af6ab5fSopenharmony_ci} 213af6ab5fSopenharmony_ci 223af6ab5fSopenharmony_cilet lettersRegexp = /^[A-Za-z]+$/; 233af6ab5fSopenharmony_cilet numberRegexp = /^[0-9]+$/; 243af6ab5fSopenharmony_ci 253af6ab5fSopenharmony_ciclass LettersOnlyValidator implements StringValidator { 263af6ab5fSopenharmony_ci isAcceptable(s: string) { 273af6ab5fSopenharmony_ci return lettersRegexp.test(s); 283af6ab5fSopenharmony_ci } 293af6ab5fSopenharmony_ci} 303af6ab5fSopenharmony_ci 313af6ab5fSopenharmony_ciclass ZipCodeValidator implements StringValidator { 323af6ab5fSopenharmony_ci isAcceptable(s: string) { 333af6ab5fSopenharmony_ci return s.length === 5 && numberRegexp.test(s); 343af6ab5fSopenharmony_ci } 353af6ab5fSopenharmony_ci} 363af6ab5fSopenharmony_ci 373af6ab5fSopenharmony_ci// Some samples to try 383af6ab5fSopenharmony_cilet strings = ["Hello", "98052", "101"]; 393af6ab5fSopenharmony_ci 403af6ab5fSopenharmony_ci// Validators to use 413af6ab5fSopenharmony_cilet validators: { [s: string]: StringValidator; } = {}; 423af6ab5fSopenharmony_civalidators["ZIP code"] = new ZipCodeValidator(); 433af6ab5fSopenharmony_civalidators["Letters only"] = new LettersOnlyValidator(); 443af6ab5fSopenharmony_ci 453af6ab5fSopenharmony_ci 463af6ab5fSopenharmony_ciassert(validators["Letters only"].isAcceptable(strings[0]), 'success'); 473af6ab5fSopenharmony_ciassert(validators["ZIP code"].isAcceptable(strings[1]), 'success'); 48