`range()` function for TypeScript

range.ts

/**
 * ref: https://www.freecodecamp.org/news/javascript-range-create-an-array-of-numbers-with-the-from-method/
 *
 * # Example
 *
 * ```ts
 * import { range } from "./main.ts";
 *
 * range(1, 5);
 * // [1, 2, 3, 4, 5]
 *
 * range(0, 4, 2);
 * // [0, 2, 4]
 * ```
 */
export function range(start: number, end: number, step = 1): number[] {
  return Array.from(
    { length: (end - start) / step + 1 },
    (_, i) => start + i * step,
  );
}