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

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submission report

Commit Description:

submission report

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                    node_modules/es-abstract/2015/IsConcatSpreadable.js
                
             | 25 lines
             | 628 B
             | application/javascript 
             | JavascriptLexer
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      'use strict';

      var GetIntrinsic = require('../GetIntrinsic');

      var $isConcatSpreadable = GetIntrinsic('%Symbol.isConcatSpreadable%', true);

      var Get = require('./Get');

      var IsArray = require('./IsArray');

      var ToBoolean = require('./ToBoolean');

      var Type = require('./Type');

      // https://ecma-international.org/ecma-262/6.0/#sec-isconcatspreadable

      module.exports = function IsConcatSpreadable(O) {

      	if (Type(O) !== 'Object') {

      		return false;

      	}

      	if ($isConcatSpreadable) {

      		var spreadable = Get(O, $isConcatSpreadable);

      		if (typeof spreadable !== 'undefined') {

      			return ToBoolean(spreadable);

      		}

      	}

      	return IsArray(O);

      };

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				'use strict';

				var GetIntrinsic = require('../GetIntrinsic');

				var $isConcatSpreadable = GetIntrinsic('%Symbol.isConcatSpreadable%', true);

				var Get = require('./Get');
				var IsArray = require('./IsArray');
				var ToBoolean = require('./ToBoolean');
				var Type = require('./Type');

				// https://ecma-international.org/ecma-262/6.0/#sec-isconcatspreadable

				module.exports = function IsConcatSpreadable(O) {
				if (Type(O) !== 'Object') {
				return false;
				}
				if ($isConcatSpreadable) {
				var spreadable = Get(O, $isConcatSpreadable);
				if (typeof spreadable !== 'undefined') {
				return ToBoolean(spreadable);
				}
				}
				return IsArray(O);
				};