// Licensed to Elasticsearch B.V. under one or more contributor // license agreements. See the NOTICE file distributed with // this work for additional information regarding copyright // ownership. Elasticsearch B.V. licenses this file to you 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. 'use strict' const winston = require('winston') const { ecsFormat } = require('../') // @elastic/ecs-winston-format const logger = winston.createLogger({ level: 'info', format: ecsFormat(), transports: [ new winston.transports.Console() ] }) const myErr = new Error('boom') logger.info('oops', { err: myErr })