main.js (1217B)
1 /** 2 * @license Apache-2.0 3 * 4 * Copyright (c) 2018 The Stdlib Authors. 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 'use strict'; 20 21 // MODULES // 22 23 var nativeClass = require( '@stdlib/utils/native-class' ); 24 25 26 // VARIABLES // 27 28 var f; 29 30 31 // FUNCTIONS // 32 33 /** 34 * Tests if a value is an array. 35 * 36 * @param {*} value - value to test 37 * @returns {boolean} boolean indicating whether value is an array 38 * 39 * @example 40 * var bool = isArray( [] ); 41 * // returns true 42 * 43 * @example 44 * var bool = isArray( {} ); 45 * // returns false 46 */ 47 function isArray( value ) { 48 return ( nativeClass( value ) === '[object Array]' ); 49 } 50 51 52 // MAIN // 53 54 if ( Array.isArray ) { 55 f = Array.isArray; 56 } else { 57 f = isArray; 58 } 59 60 61 // EXPORTS // 62 63 module.exports = f;