34 lines
624 B
TypeScript
34 lines
624 B
TypeScript
import { Express } from 'express'
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import { Server } from 'http'
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import { AddressInfo } from 'net'
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function randomListen (app: Express) {
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return new Promise<Server>(res => {
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const server = app.listen(0, () => res(server))
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})
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}
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function getPort (server: Server) {
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const address = server.address() as AddressInfo
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return address.port
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}
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function terminateServer (server: Server) {
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if (!server) return Promise.resolve()
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return new Promise<void>((res, rej) => {
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server.close(err => {
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if (err) return rej(err)
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return res()
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})
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})
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}
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export {
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randomListen,
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getPort,
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terminateServer
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}
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