dd-trace/packages/dd-trace/src/index.js

Datadog APM tracing client for JavaScript

'use strict'

const { getValueFromEnvSources } = require('./config/helper')
const { isFalse } = require('./util')

// Global `jest` is only present in Jest workers.
const inJestWorker = typeof jest !== 'undefined'

const ddTraceDisabled = getValueFromEnvSources('DD_TRACE_ENABLED')
  ? isFalse(getValueFromEnvSources('DD_TRACE_ENABLED'))
  : String(getValueFromEnvSources('OTEL_TRACES_EXPORTER')).toLowerCase() === 'none'

module.exports = ddTraceDisabled || inJestWorker
  ? require('./noop/proxy')
  : require('./proxy')