Mastering TypeScript: Advanced Patterns and Best Practices

Dive deep into TypeScript's advanced features including generics, utility types, decorators, and advanced patterns used in enterprise applications.

Published: January 25, 2024
Author: SQ Tech
Updated: October 16, 2025

TypeScript has become the de facto standard for large-scale JavaScript applications. This comprehensive guide covers advanced patterns and best practices that will elevate your TypeScript skills to the next level.

Advanced Generics

Generics are TypeScript's way of creating reusable components. Here are some advanced patterns:

Conditional Types

```typescript
type ApiResponse<T> = T extends string ? { message: T } : { data: T }
```