How to use gatsby-telemetry - 4 common examples

module.exports = async (program: IProgram) => {
  initTracer(program.openTracingConfigFile)
  report.pendingActivity({ id: `webpack-develop` })
  telemetry.trackCli(`DEVELOP_START`)
  telemetry.startBackgroundUpdate()

  const port =
    typeof program.port === `string` ? parseInt(program.port, 10) : program.port

  // In order to enable custom ssl, --cert-file --key-file and -https flags must all be
  // used together
  if ((program[`cert-file`] || program[`key-file`]) && !program.https) {
    report.panic(
      `for custom ssl --https, --cert-file, and --key-file must be used together`
    )
  }

  try {
    program.port = await detectPortInUseAndPrompt(port)
  } catch (e) {
    if (e.message === `USER_REJECTED`) {

module.exports = async (program: IProgram) => {
  initTracer(program.openTracingConfigFile)
  report.pendingActivity({ id: `webpack-develop` })
  telemetry.trackCli(`DEVELOP_START`)
  telemetry.startBackgroundUpdate()

  const port =
    typeof program.port === `string` ? parseInt(program.port, 10) : program.port

  // In order to enable custom ssl, --cert-file --key-file and -https flags must all be
  // used together
  if ((program[`cert-file`] || program[`key-file`]) && !program.https) {
    report.panic(
      `for custom ssl --https, --cert-file, and --key-file must be used together`
    )
  }

  try {
    program.port = await detectPortInUseAndPrompt(port)
  } catch (e) {

const devConfig = await webpackConfig(
    program,
    directory,
    `develop`,
    program.port,
    { parentSpan: webpackActivity.span }
  )

  const compiler = webpack(devConfig)

  /**
   * Set up the express app.
   **/
  const app = express()
  app.use(telemetry.expressMiddleware(`DEVELOP`))
  app.use(
    require(`webpack-hot-middleware`)(compiler, {
      log: false,
      path: `/__webpack_hmr`,
      heartbeat: 10 * 1000,
    })
  )

  app.use(cors())

  /**
   * Pattern matching all endpoints with graphql or graphiql with 1 or more leading underscores
   */
  const graphqlEndpoint = `/_+graphi?ql`

  if (process.env.GATSBY_GRAPHQL_IDE === `playground`) {

componentDidCatch(error, info) {
    trackBuildError(`INK`, {
      error: {
        message: error.name,
        stack: info.componentStack,
      },
    })
  }