/** * @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( './../../is-array' ); var isCircular = require( './../../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;