README.md (1914B)
1 <!-- 2 3 @license Apache-2.0 4 5 Copyright (c) 2021 The Stdlib Authors. 6 7 Licensed under the Apache License, Version 2.0 (the "License"); 8 you may not use this file except in compliance with the License. 9 You may obtain a copy of the License at 10 11 http://www.apache.org/licenses/LICENSE-2.0 12 13 Unless required by applicable law or agreed to in writing, software 14 distributed under the License is distributed on an "AS IS" BASIS, 15 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 See the License for the specific language governing permissions and 17 limitations under the License. 18 19 --> 20 21 # BigInt Support 22 23 > Detect native [`BigInt`][mdn-bigint] support. 24 25 <section class="usage"> 26 27 ## Usage 28 29 ```javascript 30 var hasBigIntSupport = require( '@stdlib/assert/has-bigint-support' ); 31 ``` 32 33 #### hasBigIntSupport() 34 35 Detects if a runtime environment supports ES2020 [`BigInt`][mdn-bigint]. 36 37 ```javascript 38 var bool = hasBigIntSupport(); 39 // returns <boolean> 40 ``` 41 42 </section> 43 44 <!-- /.usage --> 45 46 <section class="examples"> 47 48 ## Examples 49 50 <!-- eslint no-undef: "error" --> 51 52 ```javascript 53 var hasBigIntSupport = require( '@stdlib/assert/has-bigint-support' ); 54 55 if ( hasBigIntSupport() ) { 56 console.log( 'Environment has BigInt support.' ); 57 } else { 58 console.log( 'Environment lacks BigInt support.' ); 59 } 60 ``` 61 62 </section> 63 64 <!-- /.examples --> 65 66 * * * 67 68 <section class="cli"> 69 70 ## CLI 71 72 <section class="usage"> 73 74 ### Usage 75 76 ```text 77 Usage: has-bigint-support [options] 78 79 Options: 80 81 -h, --help Print this message. 82 -V, --version Print the package version. 83 ``` 84 85 </section> 86 87 <!-- /.usage --> 88 89 <section class="examples"> 90 91 ### Examples 92 93 ```bash 94 $ has-bigint-support 95 <boolean> 96 ``` 97 98 </section> 99 100 <!-- /.examples --> 101 102 </section> 103 104 <!-- /.cli --> 105 106 <section class="links"> 107 108 [mdn-bigint]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt 109 110 </section> 111 112 <!-- /.links -->