parsebool.js

import { ERRORTYPES as error } from "./error";

export default function parsebool(val) {
  if (val instanceof Error) {
    return val;
  } else if (typeof val === "boolean") {
    return val;
  } else if (typeof val === "number") {
    return val !== 0;
  } else if (typeof val === "string") {
    var up = val.toUpperCase();
    if (up === "TRUE" || up === "FALSE") {
      return up === "TRUE";
    }
  }

  return error.value;
}