TSworkingts-evergreen
TypeScript Utility Types
Type-level tooling, included.
TypeScript ships a set of generics for common transformations — Pick, Omit, Partial, Required, Record, ReturnType — that replace handwritten conditional types in 90% of cases.
Partial and Required
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patch logs as {"name":"Ada"} because Partial<User> lets you supply just the fields you're changing, while full must carry every field — including the normally-optional age — since Required<User> strips the ?.