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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 ruleP1stack specificStack: react
reactlifecyclecorrectnessprops
Compare the correct prop in componentDidUpdate
In update lifecycle/effect comparisons, compare against the previous value of the specific field you care about (prevProps.x), not an unrelated one.
PR: frontpage-web · org-mining-hist-2026-06Created: Jun 18, 2026
Bad example
Old codetsx
| 1 | componentDidUpdate(prevProps) { |
| 2 | if (this.props.popupName !== prevProps.someOther) {} |
| 3 | } |
Explanation (EN)
Objašnjenje (HR)
Good example
New codetsx
| 1 | componentDidUpdate(prevProps) { |
| 2 | if (this.props.popupName !== prevProps.popupName) {} |
| 3 | } |
Explanation (EN)
Objašnjenje (HR)