main.js (1538B)
1 /** 2 * @license Apache-2.0 3 * 4 * Copyright (c) 2021 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 hasBigUint64Array = ( typeof BigUint64Array === 'function' );// eslint-disable-line stdlib/require-globals 29 30 31 // MAIN // 32 33 /** 34 * Tests if a value is a BigUint64Array. 35 * 36 * @param {*} value - value to test 37 * @returns {boolean} boolean indicating whether the value is a BigUint64Array 38 * 39 * @example 40 * var value = new BigUint64Array( 2 ); 41 * var bool = isBigUint64Array( value ); 42 * // returns true 43 * 44 * @example 45 * var bool = isBigUint64Array( [] ); 46 * // returns false 47 * 48 * @example 49 * var bool = isBigUint64Array( 123 ); 50 * // returns false 51 */ 52 function isBigUint64Array( value ) { 53 return ( 54 ( hasBigUint64Array && value instanceof BigUint64Array ) || // eslint-disable-line stdlib/require-globals, no-undef 55 nativeClass( value ) === '[object BigUint64Array]' 56 ); 57 } 58 59 60 // EXPORTS // 61 62 module.exports = isBigUint64Array;