| 'use strict'; | |
| var $TypeError = require('es-errors/type'); | |
| var isObject = require('es-object-atoms/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; | |
| }; |