45 lines
1.1 KiB
JavaScript
45 lines
1.1 KiB
JavaScript
|
/**
|
||
|
|
* @license Apache-2.0
|
||
|
|
*
|
||
|
|
* Copyright (c) 2021 The Stdlib Authors.
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
* you may not use this file except in compliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
'use strict';
|
||
|
|
|
||
|
|
// MAIN //
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Attempts to call a `BigInt` method.
|
||
|
|
*
|
||
|
|
* @private
|
||
|
|
* @param {*} value - value to test
|
||
|
|
* @returns {boolean} boolean indicating if able to call a `BigInt` method
|
||
|
|
*/
|
||
|
|
function test( value ) {
|
||
|
|
try {
|
||
|
|
return (
|
||
|
|
// Objects created via `Object.create( null )` have no `valueOf()` method:
|
||
|
|
typeof value.valueOf() === 'bigint'
|
||
|
|
);
|
||
|
|
} catch ( err ) { // eslint-disable-line no-unused-vars
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// EXPORTS //
|
||
|
|
|
||
|
|
module.exports = test;
|