main.js (1471B)
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 hasUint8ClampedArray = ( typeof Uint8ClampedArray === 'function' ); // eslint-disable-line stdlib/require-globals 29 30 31 // MAIN // 32 33 /** 34 * Tests if a value is a Uint8ClampedArray. 35 * 36 * @param {*} value - value to test 37 * @returns {boolean} boolean indicating whether value is a Uint8ClampedArray 38 * 39 * @example 40 * var bool = isUint8ClampedArray( new Uint8ClampedArray( 10 ) ); 41 * // returns true 42 * 43 * @example 44 * var bool = isUint8ClampedArray( [] ); 45 * // returns false 46 */ 47 function isUint8ClampedArray( value ) { 48 return ( 49 ( hasUint8ClampedArray && value instanceof Uint8ClampedArray ) || // eslint-disable-line stdlib/require-globals 50 nativeClass( value ) === '[object Uint8ClampedArray]' 51 ); 52 } 53 54 55 // EXPORTS // 56 57 module.exports = isUint8ClampedArray;