rsnext/test/unit/get-project-dir.test.ts
Tom Lienard a720dbdc4c
fix(next): dev server starting when importing a file using get-projec… (#38274)
Fixes: #38232 
Fixes: https://github.com/vercel/next.js/issues/36893

Version [12.1.1-canary.5](https://github.com/vercel/next.js/releases/tag/v12.1.1-canary.5) introduced a bug, more specifically this PR: https://github.com/vercel/next.js/pull/34836

The issue described in #38232 is that the following code starts both the dev and prod servers:
```js
const start = require('next/dist/cli/next-start')
start.nextStart()
```

I searched a bit and found that `lib/get-project-dir.ts#getProjectDir()` now imports `bin/next.ts`

6b8e499c7b/packages/next/lib/get-project-dir.ts (L3)

and it calls a CLI command via

6b8e499c7b/packages/next/bin/next.ts (L137)

This `command` should not be defined, but it fallbacks to `defaultCommand`, which is `dev` (that explains why the dev server is also started)

This PR moves the `cliCommand` types and `commands` variable to a new separate file instead of `bin/next.ts`, to avoid running a CLI command when we import any file that also imports `lib/get-project-dir.ts`

Not sure how integration tests can be added for this issue, but feel free to tell me.

Co-authored-by: JJ Kasper <22380829+ijjk@users.noreply.github.com>
2022-08-07 17:31:30 +00:00

5 lines
150 B
TypeScript

describe('get-project-dir', () => {
it('should not start dev server on require', async () => {
require('next/dist/lib/get-project-dir')
})
})