/**
 * @file ES6-compliant shim for ToString.
 * @see {@link http://www.ecma-international.org/ecma-262/6.0/#sec-tostring|7.1.12 ToString ( argument )}
 * @version 1.4.2
 * @author Xotic750 <Xotic750@gmail.com>
 * @copyright  Xotic750
 * @license {@link <https://opensource.org/licenses/MIT> MIT}
 * @module to-string-x
 */

'use strict';

var castString = ''.constructor;
var isSymbol = require('is-symbol');

/**
 * The abstract operation ToString converts argument to a value of type String.
 *
 * @param {*} value - The value to convert to a string.
 * @throws {TypeError} If `value` is a Symbol.
 * @returns {string} The converted value.
 * @example
 * var $toString = require('to-string-x');
 *
 * $toString(); // 'undefined'
 * $toString(null); // 'null'
 * $toString('abc'); // 'abc'
 * $toString(true); // 'true'
 * $toString(Symbol('foo')); // TypeError
 * $toString(Symbol.iterator); // TypeError
 * $toString(Object(Symbol.iterator)); // TypeError
 * $toString(Object.create(null)); // TypeError
 */
module.exports = function ToString(value) {
  if (isSymbol(value)) {
    throw new TypeError('Cannot convert a Symbol value to a string');
  }

  return castString(value);
};