range

range.ts

/**
 * A simple range function.
 *
 * @param start
 * @param end
 * @param step
 */
export default (start: number, end?: number, step: number = 1): number[] => {
  const output = [];

  if ("undefined" === typeof end) {
    end = start;
    start = 0;
  }

  for (let i = start; i < end; i += step) {
    output.push(i);
  }

  return output;
};