n.js

import isnumber from "./isnumber";
import iserror from "./iserror";
import serial from "./serial";

Pass numbers and errors back out.

  if (isnumber(value) || iserror(value)) {
    return value;
  }

Convert dates to serial number.

  if (value instanceof Date) {
    return serial(value);
  }

Convert true to 1

  if (value === true) {
    return 1;
  }

Convert false to 0

  if (value === false) {
    return 0;
  }