TypeScript Cheat Sheet

Comprehensive TypeScript reference covering type annotations, interfaces, generics, utility types, classes, modules, compiler configuration, and framework integration for modern web development.

TypeScript Best Practices

🔒 Strict Mode

Always enable strict mode for better type safety and error catching

🏷️ Prefer Interfaces

Use interfaces for object shapes, types for unions and computed types

🔧 Utility Types

Leverage built-in utility types like Pick, Omit, Partial for transformations

🛡️ Type Guards

Use type guards and narrowing for safe runtime type checking

📦 Generic Constraints

Use generic constraints to create flexible yet type-safe functions

🎯 Type-Only Imports

Use type-only imports for better tree-shaking and build performance

TypeScript cheat sheet covering type safety, modern patterns, and framework integration

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