cafe-grader-web Files · node_modules/es-abstract/2015/HasProperty.js

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                    node_modules/es-abstract/2015/HasProperty.js
                
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             | application/javascript 
             | JavascriptLexer
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      '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;

      };

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				'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;
				};