Rules Hub
Coding Rules Library
← Back to all rules
Rule priority, scope & exceptions
Use this to align rules with the senior-level structure (P0/P1/P2, scope, exceptions/tradeoffs).
frontend ruleP2stack specificStack: React
reactstateclean-coderedundancy
Do not use a functional state update to set a constant value
setState(prev => true) and setState(prev => false) are just setState(true)/setState(false); use the constant form when the new value does not depend on the previous one.
PR: hegnar-zephr-components · org-mining-hist-2026-06Created: Jun 19, 2026
Bad example
Old codetsx
| 1 | setCollapsed(prev => (prev ? prev : true)); |
| 2 | setCollapsed(prev => (prev ? false : prev)); |
Explanation (EN)
Objašnjenje (HR)
Good example
New codetsx
| 1 | setCollapsed(true); |
| 2 | setCollapsed(false); |
Explanation (EN)
Objašnjenje (HR)