22 lines
510 B
TypeScript
22 lines
510 B
TypeScript
// Copyright 2024 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import { Transform } from 'node:stream';
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export function finalStream(finalizer: () => Promise<void> | void): Transform {
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return new Transform({
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transform(data, enc, callback) {
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this.push(Buffer.from(data, enc));
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callback();
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},
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async final(callback) {
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try {
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await finalizer();
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} catch (error) {
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callback(error);
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return;
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}
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callback(null);
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},
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});
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}
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