ELab Team

Feb 24, 2022 · Frontend Development

How to Recursively Extract All Keys from a TypeScript Interface with DeepKeyOf

This article explains how TypeScript's built‑in keyof operator can be extended with a recursive generic type called DeepKeyOf to enumerate every nested property path of an interface, illustrating the concept of type gymnastics, showing step‑by‑step implementations, and highlighting practical benefits for type‑safe code.