pnpm/__utils__/jest-config/globalSetup.js

const { start, prepare } = require('@pnpm/registry-mock')
const { promisify } = require('util')
const kill = promisify(require('tree-kill'))

module.exports = () => {
  if (process.env.PNPM_REGISTRY_MOCK_PORT == null) return
  prepare()
  const server = start({
    // Verdaccio stopped working properly on Node.js 22.
    // You can test the issue by running:
    //   pnpm --filter=core run test test/install/auth.ts
    useNodeVersion: '20.16.0',
    stdio: 'inherit',
  })
  let killed = false
  server.on('error', (err) => {
    console.log(err)
  })
  server.on('close', () => {
    if (!killed) {
      console.log('Error: The registry server was killed!')
      process.exit(1)
    }
  })
  global.killServer = () => {
    killed = true
    return kill(server.pid)
  }
}