Function tryNextDev

test/integration/create-next-app/utils.ts:45–89

({
  cwd,
  projectName,
  isApp = true,
  isApi = false,
  isEmpty = false,
}: {
  cwd: string
  projectName: string
  isApp?: boolean
  isApi?: boolean
  isEmpty?: boolean
})

  })

export async function tryNextDev({
  cwd,
  projectName,
  isApp = true,
  isApi = false,
  isEmpty = false,
}: {
  cwd: string
  projectName: string
  isApp?: boolean
  isApi?: boolean
  isEmpty?: boolean
}) {
  const dir = join(cwd, projectName)
  const port = await findPort()
  const app = await launchApp(dir, port, {
    nextBin: join(dir, 'node_modules/next/dist/bin/next'),
  })

  try {
    const res = await fetchViaHTTP(port, '/')
    if (isEmpty || isApi) {
      expect(await res.text()).toContain('Hello world!')
    } else {
      const responseText = await res.text()
      // App Router uses page.tsx/page.js, Pages Router uses index.tsx/index.js
      const hasAppRouterText =
        responseText.includes('To get started, edit the page.tsx file.') ||
        responseText.includes('To get started, edit the page.js file.')
      const hasPagesRouterText =
        responseText.includes('To get started, edit the index.tsx file.') ||
        responseText.includes('To get started, edit the index.js file.')
      expect(hasAppRouterText || hasPagesRouterText).toBe(true)
    }
    expect(res.status).toBe(200)

    if (!isApp && !isEmpty) {
      const apiRes = await fetchViaHTTP(port, '/api/hello')
      expect(await apiRes.json()).toEqual({ name: 'John Doe' })
      expect(apiRes.status).toBe(200)
    }
  } finally {
    await killApp(app)
  }
}

export {
  createNextApp,