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* @license Apache-2.0
*
* Copyright (c) 2018 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
// MODULES //
var hasOwnProp = require( '@stdlib/assert/has-own-property' );
var Symbol = require( '@stdlib/symbol/ctor' );
// MAIN //
/**
* Tests for native `Symbol.iterator` support.
*
* @returns {boolean} boolean indicating if an environment has `Symbol.iterator` support
*
* @example
* var bool = hasIteratorSymbolSupport();
* // returns <boolean>
*/
function hasIteratorSymbolSupport() {
return (
typeof Symbol === 'function' &&
typeof Symbol( 'foo' ) === 'symbol' &&
hasOwnProp( Symbol, 'iterator' ) &&
typeof Symbol.iterator === 'symbol'
);
}
// EXPORTS //
module.exports = hasIteratorSymbolSupport;
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