"use strict";

const ValidationError = require("@validatem/error");
const isNumberObject = require("is-number-object");

// FIXME: Document that NaN is not permitted but Infinity is

module.exports = function (value) {
	if (!isNumberObject(value)) {
		throw new ValidationError("Must be a number");
	} else if (Number.isNaN(value)) {
		throw new ValidationError(`Must be a number (must not be NaN)`);
	}
};