Files
notesnook/packages/core/database/indexer.js
2022-08-30 16:17:04 +05:00

57 lines
1.5 KiB
JavaScript

/* This file is part of the Notesnook project (https://notesnook.com/)
*
* Copyright (C) 2022 Streetwriters (Private) Limited
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import Storage from "./storage";
export default class Indexer extends Storage {
constructor(context, type) {
super(context);
this.type = type;
this.indices = [];
}
async init() {
this.indices = (await this.read(this.type, true)) || [];
}
exists(key) {
return this.indices.includes(key);
}
async index(key) {
if (this.exists(key)) return;
this.indices.push(key);
await this.write(this.type, this.indices);
}
getIndices() {
return this.indices;
}
async deindex(key) {
if (!this.exists(key)) return;
this.indices.splice(this.indices.indexOf(key), 1);
await this.write(this.type, this.indices);
}
async clear() {
this.indices = [];
await super.clear();
}
}