* 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]>
40 lines
1.1 KiB
Markdown
40 lines
1.1 KiB
Markdown
---
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title: useEffectEvent for Stable Callback Refs
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impact: LOW
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impactDescription: prevents effect re-runs
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tags: advanced, hooks, useEffectEvent, refs, optimization
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---
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## useEffectEvent for Stable Callback Refs
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Access latest values in callbacks without adding them to dependency arrays. Prevents effect re-runs while avoiding stale closures.
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**Incorrect (effect re-runs on every callback change):**
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```tsx
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function SearchInput({ onSearch }: { onSearch: (q: string) => void }) {
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const [query, setQuery] = useState('');
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useEffect(() => {
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const timeout = setTimeout(() => onSearch(query), 300);
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return () => clearTimeout(timeout);
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}, [query, onSearch]);
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}
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```
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**Correct (using React's useEffectEvent):**
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```tsx
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import { useEffectEvent } from 'react';
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function SearchInput({ onSearch }: { onSearch: (q: string) => void }) {
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const [query, setQuery] = useState('');
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const onSearchEvent = useEffectEvent(onSearch);
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useEffect(() => {
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const timeout = setTimeout(() => onSearchEvent(query), 300);
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return () => clearTimeout(timeout);
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}, [query]);
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}
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```
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