segment_lambda.js

//const Integration = require('@segment/integration-sdk')
const optimizely = require('@optimizely/optimizely-sdk');
var defaultLogger = require('@optimizely/optimizely-sdk').logging;
var LOG_LEVEL = require('@optimizely/optimizely-sdk').enums.LOG_LEVEL;
var optimizelyClientInstance = optimizely.createInstance({
  sdkKey: '15gywErrhRhKGHaTJCBw9Z',
  logger: defaultLogger.createLogger({
    logLevel: LOG_LEVEL.DEBUG
  }) // Provide the sdkKey of your desired environment here
});
exports.handler = async function (req, res) {  
  // Parse event and ensure we support
  //const event = (await json(req))
  console.log(req);
  //var body = req.body;
  console.log("Type is ",req.type);
  console.log("Event is ", req.event);
  console.log("AnonymousId is ", req.anonymousId);
  console.log("User ID is ", req.userId);
  if(req.type == 'track'){
  	console.log('type is track');
  	return optimizelyClientInstance.onReady().then(function(){
		if(req.anonymousId){
		optimizelyClientInstance.track(req.event,req.anonymousId);
		}
		if(req.userId != null){ 
		optimizelyClientInstance.track(req.event,req.userId);
		}
		return new Promise(function(resolve){setTimeout(resolve,2000);});
	});
  };
}