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Rule priority, scope & exceptions
Use this to align rules with the senior-level structure (P0/P1/P2, scope, exceptions/tradeoffs).
backend ruleP2universalStack: typescript
performanceloopssimplicityreadability
Collapse multiple sequential loops over the same data into one pass
When several forEach/for loops iterate the same array, combine them into a single iteration.
PR: vinify-backend · org-mining-deep-2026-06Created: Jun 17, 2026
Bad example
Old codetypescript
| 1 | items.forEach(a); |
| 2 | items.forEach(b); // two passes over the same array |
Explanation (EN)
Objašnjenje (HR)
Good example
New codetypescript
| 1 | items.forEach(item => { a(item); b(item); }); |
Explanation (EN)
Objašnjenje (HR)