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TypeScript Next.js example
This is a really simple project that shows the usage of Next.js with TypeScript.
Deploy your own
How to use it?
Execute create-next-app with npm, Yarn, or pnpm to bootstrap the example:
npx create-next-app --example with-typescript with-typescript-app
yarn create next-app --example with-typescript with-typescript-app
pnpm create next-app --example with-typescript with-typescript-app
Deploy it to the cloud with Vercel (Documentation).
Notes
This example shows how to integrate the TypeScript type system into Next.js. Since TypeScript is supported out of the box with Next.js, all we have to do is to install TypeScript.
npm install --save-dev typescript
yarn install --save-dev typescript
pnpm install --save-dev typescript
To enable TypeScript's features, we install the type declarations for React and Node.
npm install --save-dev @types/react @types/react-dom @types/node
yarn install --save-dev @types/react @types/react-dom @types/node
pnpm install --save-dev @types/react @types/react-dom @types/node
When we run next dev the next time, Next.js will start looking for any .ts or .tsx files in our project and builds it. It even automatically creates a tsconfig.json file for our project with the recommended settings.
Next.js has built-in TypeScript declarations, so we'll get autocompletion for Next.js' modules straight away.
A type-check script is also added to package.json, which runs TypeScript's tsc CLI in noEmit mode to run type-checking separately. You can then include this, for example, in your test scripts.