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- Added new skills: find-skills, frontend-ui-engineering, and vercel-react-best-practices to skills-lock.json. - Updated use-pixel-heat.ts to import both animate and AnimationPlaybackControls from motion for improved animation handling.
39 lines
996 B
Markdown
39 lines
996 B
Markdown
---
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title: Minimize Serialization at RSC Boundaries
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impact: HIGH
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impactDescription: reduces data transfer size
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tags: server, rsc, serialization, props
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---
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## Minimize Serialization at RSC Boundaries
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The React Server/Client boundary serializes all object properties into strings and embeds them in the HTML response and subsequent RSC requests. This serialized data directly impacts page weight and load time, so **size matters a lot**. Only pass fields that the client actually uses.
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**Incorrect (serializes all 50 fields):**
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```tsx
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async function Page() {
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const user = await fetchUser() // 50 fields
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return <Profile user={user} />
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}
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'use client'
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function Profile({ user }: { user: User }) {
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return <div>{user.name}</div> // uses 1 field
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}
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```
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**Correct (serializes only 1 field):**
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```tsx
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async function Page() {
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const user = await fetchUser()
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return <Profile name={user.name} />
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}
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'use client'
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function Profile({ name }: { name: string }) {
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return <div>{name}</div>
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}
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```
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