Type Alias MinLengthArray<T, N>

MinLengthArray: [...Tuple<T, N>, ...T[]]

Creates an array type with a minimum length of N.

The first N elements are required, and any additional elements are optional and of the same type T.

Type Parameters

T
The element type
N extends number
The minimum required length

Example

type Result = MinLengthArray<string, 2>;
//   ^?
// [string, string, ...string[]]

//@ts-expect-error - requires at least 2 elements
const invalid: Result = ["hello"];