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// Copyright 2022 The Pigweed Authors
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
export default class LocalStorageArray {
data: string[] = [];
maxSize: number;
key: string = '__pw_repl_history';
constructor(maxSize = 4) {
this.maxSize = maxSize;
const curHistory = localStorage.getItem(this.key);
if (curHistory) {
this.data = JSON.parse(localStorage.getItem(this.key)!);
}
}
unshift(data: string) {
this.data.unshift(data);
if (this.data.length > this.maxSize) {
this.data = this.data.slice(0, this.maxSize);
}
localStorage.setItem(this.key, JSON.stringify(this.data));
}
clear() {
this.data = [];
localStorage.removeItem(this.key);
}
}
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