import { FileRef, nextTestSetup } from 'e2e-utils' import path from 'path' import { createSandbox } from 'development-sandbox' import { outdent } from 'outdent' describe('ReactRefreshModule app', () => { const { next } = nextTestSetup({ files: new FileRef(path.join(__dirname, 'fixtures', 'default-template')), skipStart: true, }) it('should allow any variable names', async () => { await using sandbox = await createSandbox(next, new Map([])) const { session } = sandbox await session.assertNoRedbox() const variables = [ '_a', '_b', 'currentExports', 'prevExports', 'isNoLongerABoundary', ] for await (const variable of variables) { await session.patch( 'app/page.js', outdent` 'use client' import { default as ${variable} } from 'next/link' console.log({ ${variable} }) export default function Page() { return null } ` ) await session.assertNoRedbox() expect(next.cliOutput).not.toContain( `'${variable}' has already been declared` ) } }) })