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53 lines
1.8 KiB
Markdown
53 lines
1.8 KiB
Markdown
---
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title: 'useRequestFetch'
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description: 'Forward the request context and headers for server-side fetch requests with the useRequestFetch composable.'
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links:
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- label: Source
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icon: i-simple-icons-github
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to: https://github.com/nuxt/nuxt/blob/main/packages/nuxt/src/app/composables/ssr.ts
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size: xs
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---
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You can use `useRequestFetch` to forward the request context and headers when making server-side fetch requests.
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When making a client-side fetch request, the browser automatically sends the necessary headers.
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However, when making a request during server-side rendering, because the request is made on the server, we need to forward the headers manually.
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::note
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Headers that are **not meant to be forwarded** will **not be included** in the request. These headers include, for example:
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`transfer-encoding`, `connection`, `keep-alive`, `upgrade`, `expect`, `host`, `accept`
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::
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::tip
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The [`useFetch`](/docs/api/composables/use-fetch) composable uses `useRequestFetch` under the hood to automatically forward the request context and headers.
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::
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::code-group
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```vue [pages/index.vue]
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<script setup lang="ts">
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// This will forward the user's headers to the `/api/foo` event handler
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// Result: { cookies: { foo: 'bar' } }
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const requestFetch = useRequestFetch()
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const { data: forwarded } = await useAsyncData(() => requestFetch('/api/cookies'))
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// This will NOT forward anything
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// Result: { cookies: {} }
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const { data: notForwarded } = await useAsyncData(() => $fetch('/api/cookies'))
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</script>
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```
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```ts [server/api/cookies.ts]
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export default defineEventHandler((event) => {
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const cookies = parseCookies(event)
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return { cookies }
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})
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```
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::
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::tip
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In the browser during client-side navigation, `useRequestFetch` will behave just like regular [`$fetch`](/docs/api/utils/dollarfetch).
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::
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