Type Alias ReplaceMany<T, R>

ReplaceMany: { [K in keyof T]: K extends keyof R ? R[K] : T[K] }

Replace the type of one or more keys in an existing type.

Type Parameters

T
The original object type
R extends Partial<Record<keyof T, any>>
A mapping of keys to their new types

Remarks

Creates a new type by substituting specified keys with new types. Useful for modifying specific properties without affecting the entire structure.

Example

type User = { id: number; name: string; email: string };
type UpdatedUser = ReplaceMany< User, { name: number; email: boolean } >;
// { id: number; name: number; email: boolean }