react-native-reanimated/src/css/types/helpers.ts

More powerful alternative to Animated library for React Native.

'use strict';

type NoUndef<T> = T extends undefined ? never : T;

export type Repeat<
  T,
  N extends number,
  R extends T[] = [],
> = R['length'] extends N ? R : Repeat<T, N, [...R, T]>;

export type AddArrayPropertyType<T> = T | T[];

export type AddArrayPropertyTypes<T> = {
  [P in keyof T]: T[P] extends undefined ? undefined : T[P] | NoUndef<T[P]>[];
};