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node_modules/es-abstract/2015/HasProperty.js
| 20 lines
| 519 B
| application/javascript
| JavascriptLexer
|
r789 | 'use strict'; | |||
var GetIntrinsic = require('../GetIntrinsic'); | ||||
var $TypeError = GetIntrinsic('%TypeError%'); | ||||
var IsPropertyKey = require('./IsPropertyKey'); | ||||
var Type = require('./Type'); | ||||
// https://ecma-international.org/ecma-262/6.0/#sec-hasproperty | ||||
module.exports = function HasProperty(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 P in O; | ||||
}; | ||||