2311061106/frontend/node_modules/es-abstract/2021/Get.js
23175 b8b09fd9d4
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完成作业
2025-12-14 16:02:40 +08:00

25 lines
568 B
JavaScript

'use strict';
var $TypeError = require('es-errors/type');
var inspect = require('object-inspect');
var isPropertyKey = require('../helpers/isPropertyKey');
var isObject = require('es-object-atoms/isObject');
// https://262.ecma-international.org/6.0/#sec-get-o-p
module.exports = function Get(O, P) {
// 7.3.1.1
if (!isObject(O)) {
throw new $TypeError('Assertion failed: Type(O) is not Object');
}
// 7.3.1.2
if (!isPropertyKey(P)) {
throw new $TypeError('Assertion failed: P is not a Property Key, got ' + inspect(P));
}
// 7.3.1.3
return O[P];
};