main.js (1309B)
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 getGlobal = require( '@stdlib/utils/global' ); 24 25 26 // VARIABLES // 27 28 var Global = getGlobal(); 29 30 31 // MAIN // 32 33 /** 34 * Tests for native `BigInt` support. 35 * 36 * @returns {boolean} boolean indicating if an environment has `BigInt` support 37 * 38 * @example 39 * var bool = hasBigIntSupport(); 40 * // returns <boolean> 41 */ 42 function hasBigIntSupport() { 43 return ( 44 typeof Global.BigInt === 'function' && 45 typeof BigInt === 'function' && // eslint-disable-line stdlib/require-globals 46 typeof Global.BigInt( '1' ) === 'bigint' && 47 typeof BigInt( '1' ) === 'bigint' // eslint-disable-line stdlib/require-globals, no-undef 48 ); 49 } 50 51 52 // EXPORTS // 53 54 module.exports = hasBigIntSupport;