index.js (1615B)
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 /** 22 * Test if a value is an `ArrayBuffer` view. 23 * 24 * @module @stdlib/assert/is-arraybuffer-view 25 * 26 * @example 27 * var isArrayBufferView = require( '@stdlib/assert/is-arraybuffer-view' ); 28 * var Int32Array = require( '@stdlib/array/int32' ); 29 * 30 * var bool = isArrayBufferView( new Int32Array( 10 ) ); 31 * // returns true 32 * 33 * bool = isArrayBufferView( {} ); 34 * // returns false 35 */ 36 37 // MODULES // 38 39 var hasArrayBufferSupport = require( './../../has-arraybuffer-support' ); 40 var isFunction = require( './../../is-function' ); 41 var ArrayBuffer = require( '@stdlib/array/buffer' ); 42 var noArraybuffer = require( './no_arraybuffer.js' ); 43 var polyfill = require( './polyfill.js' ); 44 var main = require( './main.js' ); 45 46 47 // MAIN // 48 49 var isArrayBufferView; 50 if ( hasArrayBufferSupport() ) { 51 if ( isFunction( ArrayBuffer.isView ) ) { 52 isArrayBufferView = main; 53 } else { 54 isArrayBufferView = polyfill; 55 } 56 } else { 57 isArrayBufferView = noArraybuffer; 58 } 59 60 61 // EXPORTS // 62 63 module.exports = isArrayBufferView;