mirror of
https://github.com/streetwriters/notesnook.git
synced 2026-07-12 05:24:45 +02:00
48 lines
1.4 KiB
TypeScript
48 lines
1.4 KiB
TypeScript
/*
|
|
This file is part of the Notesnook project (https://notesnook.com/)
|
|
|
|
Copyright (C) 2023 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 { File } from "./types.js";
|
|
import { IFileStorage } from "./interfaces.js";
|
|
|
|
export default class FileStreamSource {
|
|
private index = 0;
|
|
|
|
constructor(
|
|
private readonly storage: IFileStorage,
|
|
private readonly file: File,
|
|
private readonly chunks: string[]
|
|
) {}
|
|
|
|
start() {}
|
|
|
|
async pull(controller: ReadableStreamDefaultController<Uint8Array>) {
|
|
const data = await this.readChunk(this.index++);
|
|
|
|
if (data) controller.enqueue(data);
|
|
|
|
const isFinalChunk = this.index === this.chunks.length;
|
|
if (isFinalChunk || !data) controller.close();
|
|
}
|
|
|
|
private readChunk(index: number) {
|
|
if (index > this.chunks.length) return;
|
|
return this.storage.readChunk(this.chunks[index]);
|
|
}
|
|
}
|