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isNode.ts
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isNode.ts
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/*
* Copyright 2019 LABOR.digital
*
* 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.
*
* Last modified: 2019.10.05 at 14:57
*/
let isNodeCache: boolean | null = null;
/**
* Returns true if the script is called from within a node context
*/
export function isNode(): boolean
{
if (isNodeCache !== null) {
return isNodeCache;
}
return isNodeCache =
typeof process !== 'undefined' &&
process.versions != null &&
process.versions.node != null;
}