Tim van der Lippe | 2c89197 | 2021-07-29 15:22:50 | [diff] [blame] | 1 | 'use strict'; |
| 2 | |
| 3 | var GetIntrinsic = require('get-intrinsic'); |
| 4 | |
Nikolay Vitkov | d76576c | 2024-12-02 14:10:15 | [diff] [blame] | 5 | var $Object = require('es-object-atoms'); |
Tim van der Lippe | 2c89197 | 2021-07-29 15:22:50 | [diff] [blame] | 6 | var $StringPrototype = GetIntrinsic('%String.prototype%'); |
Nikolay Vitkov | d76576c | 2024-12-02 14:10:15 | [diff] [blame] | 7 | var $SyntaxError = require('es-errors/syntax'); |
| 8 | var $TypeError = require('es-errors/type'); |
Tim van der Lippe | 2c89197 | 2021-07-29 15:22:50 | [diff] [blame] | 9 | |
| 10 | var DefinePropertyOrThrow = require('./DefinePropertyOrThrow'); |
Tim van der Lippe | 2c89197 | 2021-07-29 15:22:50 | [diff] [blame] | 11 | |
| 12 | var setProto = require('../helpers/setProto'); |
| 13 | |
| 14 | // https://262.ecma-international.org/6.0/#sec-stringcreate |
| 15 | |
| 16 | module.exports = function StringCreate(value, prototype) { |
Nikolay Vitkov | d76576c | 2024-12-02 14:10:15 | [diff] [blame] | 17 | if (typeof value !== 'string') { |
Tim van der Lippe | 2c89197 | 2021-07-29 15:22:50 | [diff] [blame] | 18 | throw new $TypeError('Assertion failed: `S` must be a String'); |
| 19 | } |
| 20 | |
| 21 | var S = $Object(value); |
Nikolay Vitkov | d76576c | 2024-12-02 14:10:15 | [diff] [blame] | 22 | if (prototype !== $StringPrototype) { |
Tim van der Lippe | 2c89197 | 2021-07-29 15:22:50 | [diff] [blame] | 23 | if (setProto) { |
| 24 | setProto(S, prototype); |
| 25 | } else { |
| 26 | 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]]'); |
| 27 | } |
| 28 | } |
| 29 | |
| 30 | var length = value.length; |
| 31 | DefinePropertyOrThrow(S, 'length', { |
| 32 | '[[Configurable]]': false, |
| 33 | '[[Enumerable]]': false, |
| 34 | '[[Value]]': length, |
| 35 | '[[Writable]]': false |
| 36 | }); |
| 37 | |
| 38 | return S; |
| 39 | }; |