signal-desktop/ts/util/prependStream.ts
automated-signal 5777af38e5
Backup encryption and improvements
Co-authored-by: Fedor Indutny <79877362+indutny-signal@users.noreply.github.com>
2024-04-15 16:58:12 -07:00

17 lines
403 B
TypeScript

// Copyright 2024 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import { Transform } from 'stream';
import type { Duplex } from 'stream';
export function prependStream(data: Uint8Array): Duplex {
return new Transform({
construct(callback) {
this.push(data);
callback();
},
transform(chunk, _encoding, callback) {
callback(null, chunk);
},
});
}