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TypeScript

Types, interfaces, generics, advanced patterns

3 sections

Start: Fundamentals

Foundational 1

  1. FundamentalsTypeScript fundamentals: type inference and annotations, unions and intersections, interfaces vs type aliases, generics with constraints, narrowing via guards and predicates, function overloads, class access modifiers, and core tsconfig…, not read

Mid-level 2

  1. Core ConceptsLayer TypeScript on top of solid JavaScript fundamentals. Focus on strict typing, modeling real-world data, and catching errors early., not read
  2. PerformanceTypeScript performance has two distinct axes: compilation speed — sped up with project references, incremental builds, skipLibCheck, and avoiding deep recursive or huge union types — and runtime cost, where const enum inlining,…, not read