"use strict";

const isStringOrNumber = require("../is/stringOrNumber");

const isReal = require("../is/real");

const isBoolean = require("../is/boolean");

const isRegExp = require("../is/regexp");

const isError = require("../is/error");
/**
 * @since 5.0.0
 * @param  {*} x value to check
 * @return {boolean} x isNotNested
 *
 * @example
 *
 *  isNotNested('')                //=> true
 *  isNotNested(true)              //=> true
 *  isNotNested(new RegExp())      //=> true
 *  isNotNested(new Error('eh'))   //=> false
 *  isNotNested(null)              //=> false
 *
 */


module.exports = function isNotNested(x) {
  return isStringOrNumber(x) || isBoolean(x) || !isReal(x) || isError(x) || isRegExp(x);
};