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).
backend ruleP2stack specificStack: NestJS
validationenumsclass-validatordry
Validate enum values dynamically with @IsIn(Object.values(Enum))
Validate that a field is a member of an enum using @IsIn(Object.values(MyEnum)) instead of hardcoding the allowed list, so it stays in sync with the enum.
PR: vinify-backend · org-mining-hist-2026-06Created: Jun 19, 2026
Bad example
Old codetypescript
| 1 | @IsIn(['up', 'down', 'nearest']) |
| 2 | roundValue: string; |
Explanation (EN)
Objašnjenje (HR)
Good example
New codetypescript
| 1 | @IsIn(Object.values(RoundValueEnum)) |
| 2 | roundValue: RoundValueEnum; |
Explanation (EN)
Objašnjenje (HR)