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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 GlobalSet = require( './set.js' );
// MAIN //
/**
* Tests for native `Set` support.
*
* @returns {boolean} boolean indicating if an environment has `Set` support
*
* @example
* var bool = hasSetSupport();
* // returns <boolean>
*/
function hasSetSupport() {
var bool;
var val;
var set;
if ( typeof GlobalSet !== 'function' ) {
return false;
}
// Test basic support...
try {
val = {};
set = new GlobalSet();
set.add( val );
set.add( val );
bool = set.has( val );
} catch ( err ) { // eslint-disable-line no-unused-vars
bool = false;
}
return bool;
}
// EXPORTS //
module.exports = hasSetSupport;
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