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node_modules/es-abstract/2017/HasOwnProperty.js
| 22 lines
| 555 B
| application/javascript
| JavascriptLexer
|
r789 | 'use strict'; | |||
var GetIntrinsic = require('../GetIntrinsic'); | ||||
var $TypeError = GetIntrinsic('%TypeError%'); | ||||
var has = require('has'); | ||||
var IsPropertyKey = require('./IsPropertyKey'); | ||||
var Type = require('./Type'); | ||||
// https://ecma-international.org/ecma-262/6.0/#sec-hasownproperty | ||||
module.exports = function HasOwnProperty(O, P) { | ||||
if (Type(O) !== 'Object') { | ||||
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 has(O, P); | ||||
}; | ||||