Posts tagged “index signatures”
2 posts found
TypeScript 6.0 `--noPropertyAccessFromIndexSignature`: The Flag That Forces Honest API Contracts
August 11, 2026
Most runtime property access errors stem from index signatures pretending to guarantee properties they don't. This flag exposes the lie and forces honest API contracts.
typescripttype safetystrict mode+2
TypeScript noUncheckedIndexedAccess in 2026: The Flag You Should Have Turned On Years Ago
July 20, 2026
Most production crashes from undefined array access stem from a single compiler flag being off. Teams pay for this oversight twice a month.
typescriptcompiler flagstype safety+2