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import http from 'http'
export const getFreePort = async (): Promise<number> => {
return new Promise((resolve, reject) => {
const server = http.createServer(() => {})
server.listen(0, () => {
const address = server.address()
server.close()
if (address && typeof address === 'object') {
resolve(address.port)
} else {
reject(new Error('invalid address from server: ' + address?.toString()))
}
})
})
}
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