convert nextjs app to typescript

Next.js has built in type support. For getStaticProps, getStaticPaths, and getServerSideProps, you can use the GetStaticProps, GetStaticPaths, and GetServerSideProps types respectively. API routes has also type support. #typescript #javascript

Snippet
Image

Copy Snippet

import { GetStaticProps, GetStaticPaths, GetServerSideProps, NextApiRequest, NextApiResponse } from 'next'

export const getStaticProps: GetStaticProps = async context => {
  // ...
}

export const getStaticPaths: GetStaticPaths = async () => {
  // ...
}

export const getServerSideProps: GetServerSideProps = async context => {
  // ...
}

export default (req: NextApiRequest, res: NextApiResponse) => {
  // ...
}