node_modules/es-abstract/2019/Get.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

'use strict';

var GetIntrinsic = require('../GetIntrinsic');

var $TypeError = GetIntrinsic('%TypeError%');

var inspect = require('object-inspect');

var IsPropertyKey = require('./IsPropertyKey');
var Type = require('./Type');

/**
 * 7.3.1 Get (O, P) - https://ecma-international.org/ecma-262/6.0/#sec-get-o-p
 * 1. Assert: Type(O) is Object.
 * 2. Assert: IsPropertyKey(P) is true.
 * 3. Return O.[[Get]](P, O).
 */

module.exports = function Get(O, P) {
	// 7.3.1.1
	if (Type(O) !== 'Object') {
		throw new $TypeError('Assertion failed: Type(O) is not Object');
	}
	// 7.3.1.2
	if (!IsPropertyKey(P)) {
		throw new $TypeError('Assertion failed: IsPropertyKey(P) is not true, got ' + inspect(P));
	}
	// 7.3.1.3
	return O[P];
};