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13 lines
290 B
JavaScript
13 lines
290 B
JavaScript
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const net = require('net')
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const getPort = () => new Promise(resolve => {
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const server = net.createServer()
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server.listen(0, '127.0.0.1')
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server.on('listening', () => {
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const { port } = server.address()
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server.close(() => resolve(port))
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})
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})
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module.exports = { getPort }
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