1/* 2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17export class TimeUtils { 18 static async sleepMs(ms: number) { 19 await new Promise<void>((resolve) => setTimeout(resolve, ms)); 20 } 21 22 static async wait( 23 condition: () => boolean, 24 timeoutMs = 5000, 25 intervalMs = 100, 26 ) { 27 const startTimeMs = Date.now(); 28 while (Date.now() - startTimeMs < timeoutMs) { 29 if (condition()) { 30 return; 31 } 32 await TimeUtils.sleepMs(intervalMs); 33 } 34 throw new Error('Timed out waiting for condition'); 35 } 36} 37