123456789101112131415161718 |
- 'use strict';
- var $TypeError = require('es-errors/type');
- var isObject = require('../helpers/isObject');
- var isPropertyKey = require('../helpers/isPropertyKey');
- // https://262.ecma-international.org/6.0/#sec-hasproperty
- module.exports = function HasProperty(O, P) {
- if (!isObject(O)) {
- throw new $TypeError('Assertion failed: `O` must be an Object');
- }
- if (!isPropertyKey(P)) {
- throw new $TypeError('Assertion failed: `P` must be a Property Key');
- }
- return P in O;
- };
|