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Add an example to Write server-side code directly section #34319

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merged 4 commits into from Feb 14, 2022
Merged

Add an example to Write server-side code directly section #34319

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Add an example to Write server-side code directly section
amandeepmittal Feb 14, 2022
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Update example and reference to lib directory
amandeepmittal Feb 14, 2022
bec172d
Merge branch 'canary' into add-example-to-write-server-side-code-section
amandeepmittal Feb 14, 2022
e66a406
Merge branch 'canary' into add-example-to-write-server-side-code-section
kodiakhq[bot] Feb 14, 2022
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14 changes: 14 additions & 0 deletions docs/basic-features/data-fetching/get-static-props.md
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Expand Up @@ -74,6 +74,20 @@ This means that instead of fetching an **API route** from `getStaticProps` (that

Take the following example. An API route is used to fetch some data from a CMS. That API route is then called directly from `getStaticProps`. This produces an additional call, reducing performance. Instead, the logic for fetching the data from the CMS can be moved to `getStaticProps`.

```jsx
// pages/page.js

// This function runs only on the server side
export async function getStaticProps() {
// Call an external API endpoint to get posts
const res = await fetch('https://.../posts/')
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const posts = await res.json()

// Props returned will be passed to the page component
return { props: { posts } }
}
```

Alternatively, if you are **not** using API routes to fetch data, then the [`fetch()`](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API) API _can_ be used directly in `getStaticProps` to fetch data.

To verify what Next.js eliminates from the client-side bundle, you can use the [next-code-elimination tool](https://next-code-elimination.vercel.app/).
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