@types/aws-lambda

API Gateway Proxy Handler

Defines a handler for AWS Lambda functions triggered by an API Gateway event, allowing you to process HTTP requests and return responses.

import { APIGatewayProxyHandler } from 'aws-lambda';

export const handler: APIGatewayProxyHandler = async (event, context) => {
  return {
    statusCode: 200,
    body: JSON.stringify({ message: 'Hello from Lambda!' }),
  };
};

S3 Event Handler

Provides types for handling S3 bucket events, such as object creation or deletion, enabling you to react to changes in S3 buckets.

import { S3Handler } from 'aws-lambda';

export const handler: S3Handler = async (event, context) => {
  console.log('S3 event:', event);
  // Process S3 event
};

DynamoDB Stream Handler

Facilitates the processing of DynamoDB stream events, allowing you to handle changes in DynamoDB tables in real-time.

import { DynamoDBStreamHandler } from 'aws-lambda';

export const handler: DynamoDBStreamHandler = async (event, context) => {
  console.log('DynamoDB Stream event:', event);
  // Process DynamoDB stream records
};