@elastic/apm-rum/src/index.js

Elastic APM JavaScript agent

/**
 * MIT License
 *
 * Copyright (c) 2017-present, Elasticsearch BV
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 */

import {
  createServiceFactory,
  bootstrap,
  isBrowser
} from '@elastic/apm-rum-core'
import ApmBase from './apm-base'

/**
 * Use a single instance of ApmBase across all instance of the agent
 * including the instances used in framework specific integrations
 */
function getApmBase() {
  if (isBrowser && window.elasticApm) {
    return window.elasticApm
  }
  const enabled = bootstrap()
  const serviceFactory = createServiceFactory()
  const apmBase = new ApmBase(serviceFactory, !enabled)

  if (isBrowser) {
    window.elasticApm = apmBase
  }

  return apmBase
}

const apmBase = getApmBase()

const init = apmBase.init.bind(apmBase)

export default init
export { init, apmBase, ApmBase, apmBase as apm }