time-to-botec/squiggle/node_modules/@stdlib/assert/has-arrow-function-support/lib/main.js

52 lines
1.2 KiB
JavaScript
Raw Normal View History

/**
* @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';
// MODULES //
var evil = require( '@stdlib/utils/eval' );
// MAIN //
/**
* Tests for native arrow function support.
*
* @returns {boolean} boolean indicating if an environment has native arrow function support
*
* @example
* var bool = hasArrowFunctionSupport();
* // returns <boolean>
*/
function hasArrowFunctionSupport() {
var bool;
try {
evil( '"use strict"; (() => {})' );
bool = true;
} catch ( err ) { // eslint-disable-line no-unused-vars
bool = false;
}
return bool;
}
// EXPORTS //
module.exports = hasArrowFunctionSupport;