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TypeScript Abstract Classes vs Interfaces in 2026: Which to Reach For and When
July 21, 2026
Most TypeScript engineers misuse abstract classes and interfaces because they treat them as interchangeable. Learn the structural differences, performance implications, and decision framework that separates production-ready architectures from brittle code.
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.
TypeScript Namespace vs Module in 2026: When Declaration Files Still Need Namespaces
July 19, 2026
Most TypeScript teams avoid namespaces entirely, but declaration files and third-party type augmentation still require them. Learn when namespaces remain essential and how to use them correctly.
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