27 lines
846 B
TypeScript
27 lines
846 B
TypeScript
/*
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* Copyright The OpenTelemetry Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import * as dns from 'dns';
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export const checkInternet = (cb: (isConnected: boolean) => void) => {
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dns.lookup('google.com', err => {
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if (err && err.code === 'ENOTFOUND') {
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cb(false);
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} else {
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cb(true);
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}
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});
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};
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