Edit File: HasProperty.js
'use strict'; var GetIntrinsic = require('get-intrinsic'); 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; };
Back to File Manager