@fiberplane/hono-otel
Version:
Hono middleware to forward OpenTelemetry traces to a local instance of @fiberplane/studio
39 lines (38 loc) • 1.38 kB
JavaScript
/*
* Copyright The OpenTelemetry 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
*
* https://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.
*/
import { AsyncLocalStorage } from "node:async_hooks";
import { ROOT_CONTEXT } from "@opentelemetry/api";
import { AbstractAsyncHooksContextManager } from "./AbstractAsyncHooksContextManager.js";
export class AsyncLocalStorageContextManager extends AbstractAsyncHooksContextManager {
constructor() {
super();
this._asyncLocalStorage = new AsyncLocalStorage();
}
active() {
return this._asyncLocalStorage.getStore() ?? ROOT_CONTEXT;
}
with(context, fn, thisArg, ...args) {
const cb = thisArg == null ? fn : fn.bind(thisArg);
return this._asyncLocalStorage.run(context, cb, ...args);
}
enable() {
return this;
}
disable() {
this._asyncLocalStorage.disable();
return this;
}
}