Generics · hard

44. Distributive Conditionals

How unions are handled in conditional types.

Use `T extends any ? T[] : never` to wrap every element of a union in an array.

Required in your answer: T extends anyT[]

Transpiled, then run in a sandbox

type ToArray<T> = T extends any ? T[] : never;
type Wrapped = ToArray<string | number>;
const w: Wrapped = [1];

Output appears here.