time-to-botec/js/node_modules/@stdlib/utils/global/lib/main.js
NunoSempere b6addc7f05 feat: add the node modules
Necessary in order to clearly see the squiggle hotwiring.
2022-12-03 12:44:49 +00:00

78 lines
2.0 KiB
JavaScript

/**
* @license Apache-2.0
*
* Copyright (c) 2018 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 isBoolean = require( '@stdlib/assert/is-boolean' ).isPrimitive;
var getThis = require( './codegen.js' );
var Self = require( './self.js' );
var Win = require( './window.js' );
var Global = require( './global.js' );
// MAIN //
/**
* Returns the global object.
*
* ## Notes
*
* - Using code generation is the **most** reliable way to resolve the global object; however, doing so is likely to violate content security policies (CSPs) in, e.g., Chrome Apps and elsewhere.
*
* @param {boolean} [codegen=false] - boolean indicating whether to use code generation to resolve the global object
* @throws {TypeError} must provide a boolean
* @throws {Error} unable to resolve global object
* @returns {Object} global object
*
* @example
* var g = getGlobal();
* // returns {...}
*/
function getGlobal( codegen ) {
if ( arguments.length ) {
if ( !isBoolean( codegen ) ) {
throw new TypeError( 'invalid argument. Must provide a boolean primitive. Value: `'+codegen+'`.' );
}
if ( codegen ) {
return getThis();
}
// Fall through...
}
// Case: browsers and web workers
if ( Self ) {
return Self;
}
// Case: browsers
if ( Win ) {
return Win;
}
// Case: Node.js
if ( Global ) {
return Global;
}
// Case: unknown
throw new Error( 'unexpected error. Unable to resolve global object.' );
}
// EXPORTS //
module.exports = getGlobal;