1/* 2 * Copyright (C) 2022 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 InMemoryStorage implements Storage { 18 private store: {[key: string]: string} = {}; 19 20 [name: string]: any; 21 get length(): number { 22 return Object.keys(this.store).length; 23 } 24 25 clear(): void { 26 throw new Error('Method not implemented.'); 27 } 28 getItem(key: string): string | null { 29 return this.store[key]; 30 } 31 key(index: number): string | null { 32 return Object.keys(this.store)[index]; 33 } 34 removeItem(key: string): void { 35 delete this.store[key]; 36 } 37 setItem(key: string, value: string): void { 38 this.store[key] = value; 39 } 40} 41