AngeloooooandDraculabo
8ed4593f73
* Refactor Gemini model display: filter old versions, group low/high pro, and improve naming * Fix potential negative minutes and refine Gemini 3 Pro grouping logic based on PR feedback * The account change process has been sped up * Address PR review: enhance error message and parameterize polling interval in process handler * Address PR review: fix potential race condition in database backup logic * fix: prevent renderer white screen and harden sentry gating * feat: localize model labels * chore: enable hoisted node-linker * chore: ignore .agent/.claude/.codex in prettier --------- Co-authored-by: Draculabo <[email protected]>
66 lines
2.0 KiB
Markdown
66 lines
2.0 KiB
Markdown
---
|
||
title: Avoid Duplicate Serialization in RSC Props
|
||
impact: LOW
|
||
impactDescription: reduces network payload by avoiding duplicate serialization
|
||
tags: server, rsc, serialization, props, client-components
|
||
---
|
||
|
||
## Avoid Duplicate Serialization in RSC Props
|
||
|
||
**Impact: LOW (reduces network payload by avoiding duplicate serialization)**
|
||
|
||
RSC→client serialization deduplicates by object reference, not value. Same reference = serialized once; new reference = serialized again. Do transformations (`.toSorted()`, `.filter()`, `.map()`) in client, not server.
|
||
|
||
**Incorrect (duplicates array):**
|
||
|
||
```tsx
|
||
// RSC: sends 6 strings (2 arrays × 3 items)
|
||
<ClientList usernames={usernames} usernamesOrdered={usernames.toSorted()} />
|
||
```
|
||
|
||
**Correct (sends 3 strings):**
|
||
|
||
```tsx
|
||
// RSC: send once
|
||
<ClientList usernames={usernames} />;
|
||
|
||
// Client: transform there
|
||
('use client');
|
||
const sorted = useMemo(() => [...usernames].sort(), [usernames]);
|
||
```
|
||
|
||
**Nested deduplication behavior:**
|
||
|
||
Deduplication works recursively. Impact varies by data type:
|
||
|
||
- `string[]`, `number[]`, `boolean[]`: **HIGH impact** - array + all primitives fully duplicated
|
||
- `object[]`: **LOW impact** - array duplicated, but nested objects deduplicated by reference
|
||
|
||
```tsx
|
||
// string[] - duplicates everything
|
||
usernames={['a','b']} sorted={usernames.toSorted()} // sends 4 strings
|
||
|
||
// object[] - duplicates array structure only
|
||
users={[{id:1},{id:2}]} sorted={users.toSorted()} // sends 2 arrays + 2 unique objects (not 4)
|
||
```
|
||
|
||
**Operations breaking deduplication (create new references):**
|
||
|
||
- Arrays: `.toSorted()`, `.filter()`, `.map()`, `.slice()`, `[...arr]`
|
||
- Objects: `{...obj}`, `Object.assign()`, `structuredClone()`, `JSON.parse(JSON.stringify())`
|
||
|
||
**More examples:**
|
||
|
||
```tsx
|
||
// ❌ Bad
|
||
<C users={users} active={users.filter(u => u.active)} />
|
||
<C product={product} productName={product.name} />
|
||
|
||
// ✅ Good
|
||
<C users={users} />
|
||
<C product={product} />
|
||
// Do filtering/destructuring in client
|
||
```
|
||
|
||
**Exception:** Pass derived data when transformation is expensive or client doesn't need original.
|