3ac66feba2
gitignore 의 *.md / .claude/ 차단을 풀어 다음 파일을 git 으로 추적. - /CLAUDE.md, /AGENTS.md (루트 에이전트 가이드) - .agents/**/*.md (skills 문서 95개) - .claude/settings.json (Claude Code 프로젝트 설정) .claude/worktrees/ 는 git worktree 메타이므로 신규 ignore 라인으로 제외. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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| title | impact | impactDescription | tags |
|---|---|---|---|
| useEffectEvent for Stable Callback Refs | LOW | prevents effect re-runs | advanced, hooks, useEffectEvent, refs, optimization |
useEffectEvent for Stable Callback Refs
Access latest values in callbacks without adding them to dependency arrays. Prevents effect re-runs while avoiding stale closures.
Incorrect (effect re-runs on every callback change):
function SearchInput({ onSearch }: { onSearch: (q: string) => void }) {
const [query, setQuery] = useState('')
useEffect(() => {
const timeout = setTimeout(() => onSearch(query), 300)
return () => clearTimeout(timeout)
}, [query, onSearch])
}
Correct (using React's useEffectEvent):
import { useEffectEvent } from 'react';
function SearchInput({ onSearch }: { onSearch: (q: string) => void }) {
const [query, setQuery] = useState('')
const onSearchEvent = useEffectEvent(onSearch)
useEffect(() => {
const timeout = setTimeout(() => onSearchEvent(query), 300)
return () => clearTimeout(timeout)
}, [query])
}