TypeScript `ReadonlyDeep` Without a Library: Writing the Recursive Utility Type Once and Never Again

TypeScript ReadonlyDeep<T> Without a Library: Writing the Recursive Utility Type Once and Never Again This article was written with the assistance of AI, under human supervision and review. Why Built-In Readonly Isn't Enough TypeScript's built-in Readonly<T> type applies immutability to top-level properties but stops there. Nested... Weiterlesen: TypeScript `ReadonlyDeep` Without a Library: Writing the Recursive Ut…