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Rule priority, scope & exceptions
Use this to align rules with the senior-level structure (P0/P1/P2, scope, exceptions/tradeoffs).
frontend ruleP2universalStack: react
reacthooksmemoizationperformance
List only real dependencies in memoization hooks
Include in a useMemo/useCallback dependency array only the values the computation truly depends on, so it doesn't recompute on every unrelated change.
PR: hegnar-forum-web · org-mining-hist-2026-06Created: Jun 20, 2026
Bad example
Old codetsx
| 1 | const filtered = useMemo( |
| 2 | () => filterCategories(categories, searchInput), |
| 3 | [categories, searchInput, otherUnusedValue] |
| 4 | ); |
Explanation (EN)
Objašnjenje (HR)
Good example
New codetsx
| 1 | const filtered = useMemo( |
| 2 | () => filterCategories(categories, searchInput), |
| 3 | [categories, searchInput] |
| 4 | ); |
Explanation (EN)
Objašnjenje (HR)