README.md (1955B)
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 # isCircularPlainObject 22 23 > Test if a value is a plain object containing a circular reference. 24 25 <section class="usage"> 26 27 ## Usage 28 29 ```javascript 30 var isCircularPlainObject = require( '@stdlib/assert/is-circular' ); 31 ``` 32 33 #### isCircularPlainObject( value ) 34 35 Tests if a `value` is a plain `object` containing a circular reference. 36 37 ```javascript 38 var obj = { 39 'beep': 'boop' 40 }; 41 var bool = isCircularPlainObject( obj ); 42 // returns false 43 44 obj.self = obj; 45 bool = isCircularPlainObject( obj ); 46 // returns true 47 ``` 48 49 </section> 50 51 <!-- /.usage --> 52 53 <section class="examples"> 54 55 ## Examples 56 57 <!-- eslint no-undef: "error" --> 58 59 ```javascript 60 var isCircularPlainObject = require( '@stdlib/assert/is-circular' ); 61 62 var obj1 = { 63 'a': 'beep', 64 'b': { 65 'c': 'boop' 66 } 67 }; 68 obj1.b.self = obj1; 69 var bool = isCircularPlainObject( obj1 ); 70 // returns true 71 72 var obj2 = { 73 'a': {}, 74 'b': obj1 75 }; 76 bool = isCircularPlainObject( obj2 ); 77 // returns true 78 79 var arr = [ 1, 2, 3 ]; 80 arr.push( arr ); 81 bool = isCircularPlainObject( arr ); 82 // returns false 83 84 var obj3 = { 85 'beep': 'boop' 86 }; 87 bool = isCircularPlainObject({ 88 'a': obj3, 89 'b': obj3 90 }); 91 // returns false 92 93 bool = isCircularPlainObject( {} ); 94 // returns false 95 96 bool = isCircularPlainObject( null ); 97 // returns false 98 ``` 99 100 </section> 101 102 <!-- /.examples --> 103 104 <section class="links"> 105 106 </section> 107 108 <!-- /.links -->