Extra Typescript Types

extraTypes.d.ts

type ValuesOf<T> = T extends { [key: string]: infer T } ? T : never
// type Parameters<T> = T extends (...args: infer T) => any ? T : never
type FirstParameter<T> = T extends (first: infer T, ...args: any) => any ? T : never
type SecondParameter<T> = T extends (first: any, second: infer T, ...args: any) => any ? T : never
type PromiseValue<T> = T extends Promise<infer U>
  ? U
  : T extends (...args: any[]) => Promise<infer U>
  ? U
  : T
type Require<T, P extends keyof T> = T & Required<Pick<T, P>>
type NonNullable<T> = Diff<T, null | undefined>
type SetStateReturn<T> = Readonly<[T, React.Dispatch<React.SetStateAction<T>>]>
type ContextValue<T> = T extends Context<infer U> ? U : undefined

type PartiallyRequired<T, K extends keyof T> = Partial<Omit<T, K>> & Required<Pick<T, K>>