hexo/node_modules/es-abstract/2016/HasProperty.js

21 lines
532 B
JavaScript

'use strict';
var GetIntrinsic = require('get-intrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var IsPropertyKey = require('./IsPropertyKey');
var Type = require('./Type');
// https://262.ecma-international.org/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;
};