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TypeScript enums remain divisive after a decade. This guide breaks down when enums make sense, when const objects are superior, and how to migrate between them without breaking production.

Master strict null checks in TypeScript with battle-tested patterns that eliminate runtime null errors without drowning your codebase in defensive checks.

Most TypeScript confusion stems from misunderstanding interface vs type. This guide cuts through years of debate with production-tested patterns, real performance data, and a decision framework that eliminates guesswork.