rsnext/test/e2e/config-promise-export/async-function.test.ts
Tim Neutkens c74e4f21ff
Add support for async fn / promise in next.config.js/.mjs (#33662)
- Add support for async function / promise export in next.config.js/.mjs
- Update docs

Adds support for https://twitter.com/timneutkens/status/1486075973204422665

But also the simpler version:

```js
module.exports = async () => {
  return {
    basePath: '/docs'
  }
}
```



## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have helpful link attached, see `contributing.md`

## Feature

- [x] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR.
- [x] Related issues linked using `fixes #number`
- [x] Integration tests added
- [x] Documentation added

## Documentation / Examples

- [ ] Make sure the linting passes by running `yarn lint`
2022-02-07 08:48:35 +00:00

33 lines
786 B
TypeScript

import { createNext } from 'e2e-utils'
import { NextInstance } from 'test/lib/next-modes/base'
import { renderViaHTTP } from 'next-test-utils'
describe('async export', () => {
let next: NextInstance
beforeAll(async () => {
next = await createNext({
files: {
'pages/index.js': `
export default function Page() {
return <p>hello world</p>
}
`,
'next.config.js': `
module.exports = async () => {
return {
basePath: '/docs'
}
}
`,
},
dependencies: {},
})
})
afterAll(() => next.destroy())
it('should work', async () => {
const html = await renderViaHTTP(next.url, '/docs')
expect(html).toContain('hello world')
})
})