I want to use Lambda with the event sources SQS & API Gateway with SDKv3 and without a SDKv2 dependency

[ehuebner]

Describe the bug

I want to use Lambda in my Typescript / NodeJs application. I am using SQS and API Gateway as event sources.
As the documentation mentions, I need to install aws-lambda to get the type definitions for APIGatewayProxyEvent, APIGatewayProxyResult, SQSEvent & SQSRecord.
aws-lambda has dependency to the SDKv2 and as a result I have the 100 mb SDKv2 in my dependencies only because I need the 4 type definitions. With a 256mb layer size and dependencies I need for my use case, I exceed the 256mb.

Expected Behavior

Have type definitions of all Lambda event sources available without a dependency to SDKv2.

Current Behavior

Lambda event source type definitions have a dependency to SDKv2.

Reproduction Steps

npm install aws-lambda
Check your package-lock.json or your node_modules directory for aws-sdk.

Possible Solution

Provide the interfaces in the SDKv3.

Additional Information/Context

No response

SDK version used

v3 & forced to use v2

Environment details (OS name and version, etc.)

MacOS

[RanVaknin]

Hi @ehuebner ,

Thanks for reaching out.

Despite its name, aws-lambda is not a tool owned by AWS. This is a community driven repo, and we don't control it.

I do see that you can install the types themselves: npm install --save @types/aws-lambda, or your other option is to create those interfaces yourself in your lambda function.

Since this is not actionable by the AWS SDK team, I'm going to go ahead and close this.

Thanks again,
Ran~

[jamitchellcb]

@RanVaknin could you please explain if there is a better alternative? it seems to me like these types should just exist in the v3 sdk somewhere. For DynamoDB event streams, we can access the type definition from @aws-sdk/client-dynamodb-streams. why is there not an equivalent @aws-sdk/client-sqs-streams or whatever? This seems like an oversight to me when the claim of v3 is to be typed.