Generic types articles

2/24/2025 • EN

Explores how to test complex TypeScript types using type-level assertions and the asserttt npm package, including implementation details.

generic types Type Assertions type system Type Testing TypeScript

2/15/2025 • EN

A guide to TypeScript conditional types, explaining their syntax, usage with examples, and how they work with union and generic types.

conditional types generic types type system TypeScript union types

2/14/2025 • EN

A guide to TypeScript mapped types, explaining their syntax and use cases for transforming objects and tuples.

generic types mapped types Object Transformation type system TypeScript

2/10/2025 • EN

Explains how to use TypeScript's 'infer' keyword to extract parts of compound types, with examples for arrays, functions, and built-in utilities.

conditional types generic types Infer Keyword type inference TypeScript

6/19/2020 • EN

A preview of Variadic Tuple Types, a new feature in the upcoming TypeScript 4.0 release, with examples and use cases.

generic types tuples TypeScript typescript 4.0 variadic types

7/15/2019 • EN

Explains how to use TypeScript's mapped and conditional types to create precise typings for DOM factory functions like document.createElement.

conditional types dom generic types mapped types TypeScript

Generic types Articles