max.js

import reduce from "./reduce";
import flatten from "./flatten";
import isblank from "./isblank";
import isnumber from "./isnumber";

export default function max(...list) {
  var values = flatten(list);
  if (values.length === 0) return;
  return reduce(values, (max, next) => {
    if (isblank(max)) return next;
    else if (isnumber(next)) return Math.max(max, next);
    else return max;
  });
}