error.js

// 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 })