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Frontend React production — component patterns, custom hooks, data fetching, bundle optimization. Core Web Vitals, 90+ Lighthouse.
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Based on SOC occupation classification
| name | webs-frontend |
| description | Frontend React production — component patterns, custom hooks, data fetching, bundle optimization. Core Web Vitals, 90+ Lighthouse. |
Components > 200 lines are a smell. Custom hooks without tests will break in production.
KHÔNG BAO GIỜ fetch data trực tiếp trong component — use hook hoặc query client
Mọi component route phải lazy-load
Polymorphic Box + Compound Tabs pattern.
→ templates/component-patterns.tsx
useAsync — abort controller, chống memory leak.useDebounce — 300ms default delay.useLocalStorage — JSON parse/stringify, try/catch an toàn.
→ templates/custom-hooks.tsCấu hình queryClient: staleTime 5m, gcTime 30m, retry 2. Dùng
keepPreviousDatacho pagination,invalidateQueriessau mutation. →templates/data-fetching.ts
React.lazy() cho route và heavy library. Import tree-shaking friendly (date-fns). Tailwind purge mặc định.
→ templates/bundle-optimization.ts
| Excuse | Reality |
|---|---|
| "React.lazy() sau" | Bundle lớn = LCP chậm, Core Web Vitals fail |
| "Custom hook không cần test" | Hook lỗi = crash toàn component |
| "data-fetching pattern giống nhau" | Mỗi page khác cache strategy → sai dữ liệu |
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