A getting started guide to TypeScript covering installation, basic types, compiler configuration, and your first project with practical examples.
Tutorial series
Typescript Basics
7 tutorials — follow in order for the best learning path.
- Getting Started with TypeScript: Setup and First Project
- TypeScript types and interfaces: a complete tutorial
TypeScript types and interfaces explained: aliases, unions, extension, generics, index signatures, and when to choose a type over an interface.
- TypeScript Generics: Type-Safe Reusable Code
Learn TypeScript generics from basic parameters to constraints. Build reusable, type-safe functions, interfaces, and classes with practical examples.
- Type Narrowing and Guards in TypeScript
Master TypeScript type narrowing with typeof, custom type guards, the in operator, and discriminated unions to refine union types and catch compile-time bugs.
- TypeScript Utility Types: A Complete Tutorial
Master TypeScript utility types including Partial, Required, Pick, Omit, Record, Extract, Exclude, ReturnType, and Parameters to transform types efficiently.
- TypeScript Mapped Types: Transform Object Shapes
Transform TypeScript mapped types into real type-safety gains. Covers key remapping, conditional filtering, and patterns for form types and API responders.
- Conditional Types in TypeScript
Master TypeScript conditional types to create flexible, reusable type transformations that adapt based on type relationships.