Lambda Middlewares

Several middlewares for Lambda functions.

Dependencies requirement

This library is working with several other packages. The peer dependencies list:

• If use flushMetrics

  • @kevinwang0316/cloudwatch
  • aws-sdk
  • aws-xray-sdk

• If use verifyJWT

  • @kevinwang0316/jwt-verify
  • @kevinwang0316/log

• If use sampleLogging

  • @kevinwang0316/log

• If use initializeMongoDB

  • @kevinwang0316/mongodb-helper
  • mongodb

• If use mongoSanitize

  • mongo-sanitize

• If use initialMysqlPool

  • mysql
  • @kevinwang0316/mysql-helper

Please check your package.json file to make sure you have these packages or install them.

Installing

npm install --save @kevinwang0316/lambda-middlewares

Usage

const middy = require('middy');
// Import the middlewares you want from different files
const { verifyJWT } = require('@kevinwang0316/lambda-middlewares/jwt');
const { initialMysqlPool } = require('@kevinwang0316/lambda-middlewares/mysql');
const { flushMetrics, sampleLogging, verifyJWT } = require('@kevinwang0316/lambda-middlewares');
const { initializeMongoDB, mongoSanitize } = require('@kevinwang0316/lambda-middlewares/mongodb');
// Here is your Lambda handler
const lambdaHandler = (event, context, callback) => {};

// You also can make a wrapper to add most common use
module.exports = middy(lambdaHandler)
  .use(sampleLogging())
  .use(mongoSanitize)
  .use(initializeMongodb)
  .use(verifyUser)
  .use(flushMetrics)
  .use(sampleLogging)
  .use(initialMysqlPool);

License

LambdaMiddlewares is licensed under MIT License - see the License file.