How to use the @instana/aws-lambda.wrap function in @instana/aws-lambda

'use strict';

// eslint-disable-next-line import/no-extraneous-dependencies
const instana = require('@instana/aws-lambda'); // provided by Lambda layer "instana"

const fetch = require('node-fetch');

exports.handler = instana.wrap(async event => {
  console.log('in actual handler');
  await fetch('https://example.com');
  if (event.error) {
    throw new Error('Boom!');
  } else {
    return {
      message: 'Stan says hi!'
    };
  }
});

'use strict';

// eslint-disable-next-line import/no-extraneous-dependencies
const instana = require('@instana/aws-lambda'); // provided by Lambda layer "instana"

const https = require('https');

exports.handler = instana.wrap((event, context, callback) => {
  console.log('in actual handler');
  const req = https.get('https://example.com', res => {
    res.resume();
    res.on('end', () => {
      if (event.error) {
        callback(new Error('Boom!'));
      } else {
        callback(null, {
          message: 'Stan says hi!'
        });
      }
    });
  });
  req.on('error', e => {
    callback(e);
  });

const fs = require('fs');
const path = require('path');

const DEFAULT_HANDLER = 'index.handler';
const RUNTIME_PATH = '/var/runtime';
const SPLIT_AT_DOT_REGEX = /^([^.]*)\.(.*)$/;
const TWO_DOTS = '..';

const lambdaRuntimeErrors = require(`${RUNTIME_PATH}/Errors.js`);

let wrappedHandler;

if (!wrappedHandler) {
  const targetHandler = loadTargetHandlerFunction();
  wrappedHandler = instana.wrap(targetHandler);
}

exports.handler = function instanaAutowrapHandler(event, context, callback) {
  return wrappedHandler(event, context, callback);
};

function loadTargetHandlerFunction() {
  let targetHandlerEnvVar = process.env.LAMBDA_HANDLER;
  if (!targetHandlerEnvVar || targetHandlerEnvVar.length === 0) {
    targetHandlerEnvVar = DEFAULT_HANDLER;
  }

  const {
    targetHandlerModuleFolder, //
    targetHandlerModuleName,
    targetHandlerFunctionName