Function startServer

packages/test/src/app/server.ts:23–60

(
  browserFiles: string[],
)

})

export async function startServer(
  browserFiles: string[],
): Promise<{ server: http.Server; port: number; baseUrl: string }> {
  let handle = createRequestHandler(browserFiles)

  let server = http.createServer((req, res) => {
    handle(req, res).catch((error) => {
      logError(`Unhandled error for ${req.url}`, error)
      if (!res.headersSent) {
        res.writeHead(500, { 'Content-Type': 'text/plain' })
      }
      if (!res.writableEnded) res.end()
    })
  })

  await new Promise<void>((resolve, reject) => {
    server.once('error', reject)
    server.listen(0, () => {
      server.removeListener('error', reject)
      resolve()
    })
  })

  let address = server.address()
  if (!isAddressInfo(address)) {
    await new Promise<void>((resolve, reject) => {
      server.close((error) => {
        if (error) reject(error)
        else resolve()
      })
    })
    throw new Error('Test server did not bind to a TCP port')
  }

  let baseUrl = `http://localhost:${address.port}`
  log(`Test server running on ${baseUrl}`)
  return { server, port: address.port, baseUrl }
}

function isAddressInfo(address: ReturnType<http.Server['address']>): address is AddressInfo {
  return address != null && typeof address === 'object'