global.d.ts

declare namespace Rastrr {
  type Enumerate<
    N extends number,
    Acc extends number[] = []
  > = Acc['length'] extends N
    ? Acc[number]
    : Enumerate<N, [...Acc, Acc['length']]>;

  type NumberRange<F extends number, T extends number> = Exclude<
    Enumerate<T>,
    Enumerate<F>
  >;

  type Point = {
    x: number;
    y: number;
  };

  type Area = {
    /**
     * Top left corner
     */
    start: Point;
    /**
     * Bottom right corner
     */
    end: Point;
  };
}