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[docs] Mention SWC in TypeScript documentation. #33801

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merged 2 commits into from Jan 30, 2022
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[docs] Mention SWC in TypeScript documentation. #33801

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fix: documentation / typescript
Emrin Jan 30, 2022
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leerob Jan 30, 2022
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4 changes: 3 additions & 1 deletion docs/basic-features/typescript.md
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Expand Up @@ -37,7 +37,9 @@ Next.js will automatically configure this file with default values. Providing yo

You can also provide a relative path to a tsconfig.json file by setting `typescript.tsconfigPath` prop inside your `next.config.js` file.

> Next.js uses Babel to handle TypeScript, which has some [caveats](https://babeljs.io/docs/en/babel-plugin-transform-typescript#caveats), and some [compiler options are handled differently](https://babeljs.io/docs/en/babel-plugin-transform-typescript#typescript-compiler-options).
Starting in `v12.0.0`, Next.js uses [SWC](https://nextjs.org/docs/advanced-features/compiler) by default to compile TypeScript and TSX for faster builds.

> Next.js will use Babel to handle TypeScript if `.babelrc` is present. This has some [caveats](https://babeljs.io/docs/en/babel-plugin-transform-typescript#caveats) and some [compiler options are handled differently](https://babeljs.io/docs/en/babel-plugin-transform-typescript#typescript-compiler-options).

Then, run `next` (normally `npm run dev` or `yarn dev`) and Next.js will guide you through the installation of the required packages to finish the setup:

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