/* * 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 { getGlobal } from '../internal/global-utils'; /** * Component Logger which is meant to be used as part of any component which * will add automatically additional namespace in front of the log message. * It will then forward all message to global diag logger * @example * const cLogger = diag.createComponentLogger({ namespace: '@opentelemetry/instrumentation-http' }); * cLogger.debug('test'); * // @opentelemetry/instrumentation-http test */ export class DiagComponentLogger { constructor(props) { this._namespace = props.namespace || 'DiagComponentLogger'; } debug(...args) { return logProxy('debug', this._namespace, args); } error(...args) { return logProxy('error', this._namespace, args); } info(...args) { return logProxy('info', this._namespace, args); } warn(...args) { return logProxy('warn', this._namespace, args); } verbose(...args) { return logProxy('verbose', this._namespace, args); } } function logProxy(funcName, namespace, args) { const logger = getGlobal('diag'); // shortcut if logger not set if (!logger) { return; } args.unshift(namespace); return logger[funcName](...args); } //# sourceMappingURL=ComponentLogger.js.map