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[codemod] Unused params Causes next build Failure After Async API Codemod Execution

vercel/next.js#73296·142393·JavaScript·607 天未动·3 条评论·上游最近活跃 ·池内状态:可认领
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上游 issue 正文

### Link to the code that reproduces this issue https://github.com/CastaChick/next_codemod_example ### To Reproduce 1. Create new next app using `next@14` by `npx create-next-app@14` command. 2. Add new pages with/without unused params `app/example-unused-params/[id]/page.tsx` ```tsx interface ExampleUnusedParamsProps { params: { id: string; } } // eslint-disable-next-line @typescript-eslint/no-unused-vars export default function ExampleUnusedParams({params}: ExampleUnusedParamsProps) { return ( <div>foo</div> ) } ``` `app/example-used-params/[id]/page.tsx` ```tsx interface ExampleUsedParamsProps { params: { id: string; } } export default function ExampleUsedParams({params}: ExampleUsedParamsProps) { console.log(params.id) return ( <div>foo</div> ) } ``` 3. Run the migration command to `next@15` by running `npx @next/codemod@canary upgrade latest` 4. Then build the next app by running `npm run build` ← build failed ``` src/app/example-unused-params/[id]/page.tsx Type error: Type 'ExampleUnusedParamsProps' does not satisfy the constraint 'PageProps'. Types of property 'params' are incompatible. Type '{ id: string; }' is missing the following properties from type 'Promise<any>': then, catch, finally, [Symbol.toStringTag] ``` ### Current vs. Expected behavior In Pull Request #71664 , it appears that transform is not executed when `params` is not accessed within a function. However, even if `params` is not used within the function, the build process (`next build`) will fail if `params` is not wrapped in a `Promise`. To ensure developers can confidently build their projects after running `npx @next/codemod@canary next-async-request-api .`, I suggest either removing this behavior or ignoring unused, synchronously declared `params` during the build process. This adjustment would provide a smoother and more reliable development experience. ### Provide environment information ```bash Operating System: Platform: darwin A…
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