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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 4x 4x 4x 4x 4x 3x 4x 4x 6x 6x 6x 6x 6x | /**
* @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.
*/
/* eslint-disable stdlib/require-globals */
'use strict';
// MODULES //
var hasOwnProp = require( '@stdlib/assert/has-own-property' );
// MAIN //
/**
* Tests for native `Symbol.asyncIterator` support.
*
* @returns {boolean} boolean indicating if an environment has `Symbol.asyncIterator` support
*
* @example
* var bool = hasAsyncIteratorSymbolSupport();
* // returns <boolean>
*/
function hasAsyncIteratorSymbolSupport() { // eslint-disable-line id-length
return (
typeof Symbol === 'function' &&
typeof Symbol( 'foo' ) === 'symbol' &&
hasOwnProp( Symbol, 'asyncIterator' ) &&
typeof Symbol.asyncIterator === 'symbol'
);
}
// EXPORTS //
module.exports = hasAsyncIteratorSymbolSupport;
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