1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
|
// @strict: true
// @noEmit: true
// Repro from #54491
type UnshiftTuple<T extends [...any[]]> = T extends [T[0], ...infer Tail] ? Tail : never;
type ExpandSmallerTuples<T extends [...any[]]> = T extends [T[0], ...infer Tail] ? T | ExpandSmallerTuples<Tail> : [];
type Shift<A extends Array<any>> = ((...args: A) => void) extends (...args: [A[0], ...infer R]) => void ? R : never;
type GrowExpRev<A extends Array<any>, N extends number, P extends Array<Array<any>>> = A['length'] extends N ? A : GrowExpRev<[...A, ...P[0]][N] extends undefined ? [...A, ...P[0]] : A, N, Shift<P>>;
type GrowExp<A extends Array<any>, N extends number, P extends Array<Array<any>>> = [...A, ...A][N] extends undefined ? GrowExp<[...A, ...A], N, [A, ...P]> : GrowExpRev<A, N, P>;
type Tuple<T, N extends number> = number extends N ? Array<T> : N extends 0 ? [] : N extends 1 ? [T] : GrowExp<[T], N, [[]]>;
declare class ArrayValidator<T extends unknown[], I = T[number]> {
lengthRange<S extends number, E extends number>(start: S, endBefore: E): ArrayValidator<Exclude<ExpandSmallerTuples<UnshiftTuple<[...Tuple<I, E>]>>, ExpandSmallerTuples<UnshiftTuple<[...Tuple<I, S>]>>>>;
}
|