mirror of
https://github.com/streetwriters/notesnook.git
synced 2026-09-02 20:21:19 +02:00
57 lines
1.8 KiB
TypeScript
57 lines
1.8 KiB
TypeScript
/*
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This file is part of the Notesnook project (https://notesnook.com/)
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Copyright (C) 2023 Streetwriters (Private) Limited
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import { desktop } from "../common/desktop-bridge";
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import { ICompressor } from "@notesnook/core/dist/interfaces";
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import { Foras, gzip, gunzip, Memory } from "@hazae41/foras";
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export class Compressor implements ICompressor {
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private inititalized = false;
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private async init() {
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if (this.inititalized) return;
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await Foras.initBundledOnce();
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this.inititalized = true;
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}
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async compress(data: string) {
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if (IS_DESKTOP_APP && desktop)
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return await desktop.compress.gzip.query({ data, level: 6 });
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await this.init();
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const bytes = new Memory(new TextEncoder().encode(data));
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const res = gzip(bytes, 6);
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const base64 = Buffer.from(res.bytes).toString("base64");
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res.free();
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return base64;
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}
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async decompress(data: string) {
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if (IS_DESKTOP_APP && desktop)
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return await desktop.compress.gunzip.query(data);
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await this.init();
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const bytes = new Memory(Buffer.from(data, "base64"));
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const res = gunzip(bytes);
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const text = Buffer.from(res.bytes).toString("utf-8");
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res.free();
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return text;
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}
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}
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