Type-Level Testing & API Design Patterns
How to validate TypeScript types, design safer APIs, and avoid unsafe assertions—interview-ready patterns.
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How to validate TypeScript types, design safer APIs, and avoid unsafe assertions—interview-ready patterns.
Interview-focused advanced generics: overloads, inference patterns, variance basics, and designing ergonomic typed APIs.
How keyof + mapped types work, and how template literal types unlock powerful typed APIs.
Props, children, event handlers, generics in components, and common TS + React pitfalls interviewers ask about.
When to use enums, when to prefer string unions, and what const enums change.
A practical guide to TS compiler options interviewers ask about: strict, noImplicitAny, lib, moduleResolution, jsx, and incremental builds.
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