'use strict'; var GetIntrinsic = require('get-intrinsic'); var $Object = require('es-object-atoms'); var $StringPrototype = GetIntrinsic('%String.prototype%'); var $SyntaxError = require('es-errors/syntax'); var $TypeError = require('es-errors/type'); var DefinePropertyOrThrow = require('./DefinePropertyOrThrow'); var setProto = require('../helpers/setProto'); // https://262.ecma-international.org/6.0/#sec-stringcreate module.exports = function StringCreate(value, prototype) { if (typeof value !== 'string') { throw new $TypeError('Assertion failed: `S` must be a String'); } var S = $Object(value); if (prototype !== $StringPrototype) { if (setProto) { setProto(S, prototype); } else { throw new $SyntaxError('StringCreate: a `proto` argument that is not `String.prototype` is not supported in an environment that does not support setting the [[Prototype]]'); } } var length = value.length; DefinePropertyOrThrow(S, 'length', { '[[Configurable]]': false, '[[Enumerable]]': false, '[[Value]]': length, '[[Writable]]': false }); return S; };