README.md (1712B)
1 <!-- 2 3 @license Apache-2.0 4 5 Copyright (c) 2018 The Stdlib Authors. 6 7 Licensed under the Apache License, Version 2.0 (the "License"); 8 you may not use this file except in compliance with the License. 9 You may obtain a copy of the License at 10 11 http://www.apache.org/licenses/LICENSE-2.0 12 13 Unless required by applicable law or agreed to in writing, software 14 distributed under the License is distributed on an "AS IS" BASIS, 15 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 See the License for the specific language governing permissions and 17 limitations under the License. 18 19 --> 20 21 # isCircularArray 22 23 > Test if a value is an array containing a circular reference. 24 25 <section class="usage"> 26 27 ## Usage 28 29 ```javascript 30 var isCircularArray = require( '@stdlib/assert/is-circular-array' ); 31 ``` 32 33 #### isCircularArray( value ) 34 35 Tests if a `value` is an `array` containing a circular reference. 36 37 ```javascript 38 var arr = [ 1, 2, 3 ]; 39 var bool = isCircularArray( arr ); 40 // returns false 41 42 arr.push( arr ); 43 bool = isCircularArray( arr ); 44 // returns true 45 46 arr.pop(); 47 arr.self = arr; 48 bool = isCircularArray( arr ); 49 // returns true 50 ``` 51 52 </section> 53 54 <!-- /.usage --> 55 56 <section class="examples"> 57 58 ## Examples 59 60 <!-- eslint no-undef: "error" --> 61 62 ```javascript 63 var isCircularArray = require( '@stdlib/assert/is-circular-array' ); 64 65 var arr = [ 1, 2, 3 ]; 66 arr.push( arr ); 67 console.log( isCircularArray( arr ) ); 68 // => true 69 70 var obj = { 71 'beep': 'boop' 72 }; 73 obj.self = obj; 74 console.log( isCircularArray( obj ) ); 75 // => false 76 77 console.log( isCircularArray( [] ) ); 78 // => false 79 80 console.log( isCircularArray( null ) ); 81 // => false 82 ``` 83 84 </section> 85 86 <!-- /.examples --> 87 88 <section class="links"> 89 90 </section> 91 92 <!-- /.links -->