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| import { nextTestSetup } from 'e2e-utils' | |
| describe('Dynamic Code Evaluation (DCE)', () => { | |
| const { next } = nextTestSetup({ | |
| skipStart: true, | |
| dependencies: { 'function-bind': 'latest' }, | |
| files: __dirname, | |
| }) | |
| // This test is basically for https://github.com/vercel/next.js/discussions/51910 | |
| // to make sure that some libs that we know are using `eval` but don't break | |
| // because it will never run into that condition, but still can't to be DCE'd. | |
| it('should not fail when "function-bind" package is used', async () => { | |
| const { exitCode, cliOutput } = await next.build() | |
| expect(exitCode).toBe(0) | |
| expect(cliOutput).not.toContain( | |
| `Dynamic Code Evaluation (e. g. 'eval', 'new Function', 'WebAssembly.compile') not allowed in Edge Runtime` | |
| ) | |
| }) | |
| ;(process.env.IS_TURBOPACK_TEST ? it.skip : it)( | |
| "should show the user's import trace", | |
| async () => { | |
| await next.patchFile( | |
| 'middleware.js', | |
| ` | |
| import { foo } from './lib/foo' | |
| export function middleware() { | |
| foo() | |
| }` | |
| ) | |
| const { exitCode, cliOutput } = await next.build() | |
| // eslint-disable-next-line jest/no-standalone-expect | |
| expect(exitCode).toBe(1) | |
| // eslint-disable-next-line jest/no-standalone-expect | |
| expect(cliOutput).toContain(`./lib/foo.js | |
| Dynamic Code Evaluation (e. g. 'eval', 'new Function', 'WebAssembly.compile') not allowed in Edge Runtime | |
| Used by bar`) | |
| // eslint-disable-next-line jest/no-standalone-expect | |
| expect(cliOutput).toContain(`Import trace for requested module: | |
| ./lib/foo.js | |
| ./middleware.js`) | |
| } | |
| ) | |
| }) | |