20 lines
538 B
TypeScript
20 lines
538 B
TypeScript
/*
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Copyright 2024 New Vector Ltd.
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Copyright 2022 The Matrix.org Foundation C.I.C.
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SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
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Please see LICENSE files in the repository root for full details.
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*/
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import * as net from "net";
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export async function getFreePort(): Promise<number> {
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return new Promise<number>((resolve) => {
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const srv = net.createServer();
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srv.listen(0, () => {
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const port = (<net.AddressInfo>srv.address()).port;
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srv.close(() => resolve(port));
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});
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});
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}
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