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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 isArray = require( '@stdlib/assert/is-array' );
var isCircular = require( '@stdlib/assert/is-circular' );
// MAIN //
/**
* Tests if a value is an array containing a circular reference.
*
* @param {*} value - value to test
* @returns {boolean} boolean indicating whether value is an array containing a circular reference
*
* @example
* var arr = [ 1, 2, 3 ];
* arr.push( arr );
* var bool = isCircularArray( arr );
* // returns true
*
* @example
* var obj = {
* 'a': 'beep',
* 'b': {
* 'c': 'boop'
* }
* };
* obj.b.self = obj;
* var bool = isCircularArray( obj );
* // returns false
*
* @example
* var bool = isCircularArray( [] );
* // returns false
*
* @example
* var bool = isCircularArray( null );
* // returns false
*/
function isCircularArray( value ) {
if ( !isArray( value ) ) {
return false;
}
return isCircular( value );
}
// EXPORTS //
module.exports = isCircularArray;
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