33 lines
598 B
JavaScript
33 lines
598 B
JavaScript
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import net from 'node:net';
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export default async function isPortReachable(port, {host, timeout = 1000} = {}) {
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if (typeof host !== 'string') {
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throw new TypeError('Specify a `host`');
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}
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const promise = new Promise(((resolve, reject) => {
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const socket = new net.Socket();
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const onError = () => {
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socket.destroy();
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reject();
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};
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socket.setTimeout(timeout);
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socket.once('error', onError);
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socket.once('timeout', onError);
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socket.connect(port, host, () => {
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socket.end();
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resolve();
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});
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}));
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try {
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await promise;
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return true;
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} catch {
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return false;
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}
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}
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