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docs(use-cache): add missing jsx switcher example and types #73473

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merged 2 commits into from
Dec 16, 2024
Merged

docs(use-cache): add missing jsx switcher example and types #73473

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bbaef77
docs: add missing jsx switcher example and types
devpla Dec 3, 2024
c9e218f
Merge branch 'canary' into docs/use-cache
leerob Dec 16, 2024
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56 changes: 41 additions & 15 deletions docs/01-app/04-api-reference/01-directives/use-cache.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -212,6 +212,28 @@ export default async function Page() {
)
}

async function CacheComponent({ children }: { children: ReactNode }) {
'use cache'
const cachedData = await fetch('/api/cached-data')
return (
<div>
<PrerenderedComponent data={cachedData} />
{children}
</div>
)
}
```

```jsx filename="app/page.js" switcher
export default async function Page() {
const uncachedData = await getData()
return (
<CacheComponent>
<DynamicComponent data={uncachedData} />
</CacheComponent>
)
}

async function CacheComponent({ children }) {
'use cache'
const cachedData = await fetch('/api/cached-data')
Expand All @@ -227,42 +249,46 @@ async function CacheComponent({ children }) {
You can also pass Server Actions through cached components to Client Components without invoking them inside the cacheable function.

```tsx filename="app/page.tsx" switcher
import ClientComponent from './ClientComponent';
import ClientComponent from './ClientComponent'

export default async function Page() {
const performUpdate = async () => {
"use server"
'use server'
// Perform some server-side update
await db.update(...);
};
await db.update(...)
}

return <CacheComponent performUpdate={performUpdate} />;
return <CacheComponent performUpdate={performUpdate} />
}

async function CachedComponent({ performUpdate }) {
"use cache"
async function CachedComponent({
performUpdate,
}: {
performUpdate: () => Promise<void>
}) {
'use cache'
// Do not call performUpdate here
return <ClientComponent action={performUpdate} />;
return <ClientComponent action={performUpdate} />
}
```

```jsx filename="app/page.js" switcher
import ClientComponent from './ClientComponent';
import ClientComponent from './ClientComponent'

export default async function Page() {
const performUpdate = async () => {
"use server"
'use server'
// Perform some server-side update
await db.update(...);
};
await db.update(...)
}

return <CacheComponent performUpdate={performUpdate} />;
return <CacheComponent performUpdate={performUpdate} />
}

async function CachedComponent({ performUpdate }) {
"use cache"
'use cache'
// Do not call performUpdate here
return <ClientComponent action={performUpdate} />;
return <ClientComponent action={performUpdate} />
}
```

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