ts-lambda-handler

LamdaHandler

LambdaHandler is a library designed to make it easy to write AWS Lambda function in typescript. It tries to abstract the more mondane logic related to implementing a AWS Lambda function.

The library caters primarely to handling AWS API Gateaway request using the Lambda Proxy integration.

The LambdaHandler library is designed to write reusable object oriented code for Lambda.

Key features

• Abstract the AWS API Gateway Event and AWS Lambda Proxy Callback via Request and Response objects.
• Provide classes for standard HTTP errors.
• Provide a handlers for typical task like accessing a Dynamo table via a RESTFull API, Queing requests in an SQS Queue or Proxying a request to a different server.

Installation

npm install --save ts-lambda-handler

Show me some examples

Hello World

import * as LambdaHandler from 'lambda-handler';

class DivisionHandler extends LambdaHandler.Handlers.AbstractHandler {

    public process(request:LambdaHandler.Request, response:LambdaHandler.Response): Promise<void> {
        response.setBody('hello world').addHeader('content-type', 'text/plain').send();
        return Promise.resolve();
    }

}

const handlerObj = new DivisionHandler();
export let handler = handlerObj.handle;