Current File : //proc/self/root/usr/lib/node_modules/pm2/node_modules/@opencensus/core/build/src/internal/cls.js
"use strict";
/**
* Copyright 2018 Google LLC
*
* 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.
*/
Object.defineProperty(exports, "__esModule", { value: true });
// Original file from Stackdriver Trace Agent for Node.js
// https://github.com/GoogleCloudPlatform/cloud-trace-nodejs
const CLS = require("continuation-local-storage");
const semver = require("semver");
const useAsyncHooks = semver.satisfies(process.version, '>=8'); //&&
// !!process.env.GCLOUD_TRACE_NEW_CONTEXT;
const cls = useAsyncHooks ? require('./cls-ah') : CLS;
const TRACE_NAMESPACE = 'opencensus.io';
/**
* Stack traces are captured when a root span is started. Because the stack
* trace height varies on the context propagation mechanism, to keep published
* stack traces uniform we need to remove the top-most frames when using the
* c-l-s module. Keep track of this number here.
*/
exports.ROOT_SPAN_STACK_OFFSET = useAsyncHooks ? 0 : 2;
function createNamespace() {
return cls.createNamespace(TRACE_NAMESPACE);
}
exports.createNamespace = createNamespace;
function destroyNamespace() {
cls.destroyNamespace(TRACE_NAMESPACE);
}
exports.destroyNamespace = destroyNamespace;
function getNamespace() {
return cls.getNamespace(TRACE_NAMESPACE);
}
exports.getNamespace = getNamespace;
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