(lambda_event_sources): DocumentDB eventSource not supported

[mazyu36]

Describe the feature

A DocumentDB event source mapping is supported in lambda event source mappings.

But L2 Construct does not exist.

See Lambda event source mappings

Use Case

To use DocumentDB as a event source.

Proposed Solution

Add DocumentDBSource class to the aws_lambda_event_sources.

Other Information

No response

Acknowledgements

• I may be able to implement this feature request
• This feature might incur a breaking change

CDK version used

2.141.0

Environment details (OS name and version, etc.)

MacOS

[pahud]

Yes we should add a class that implements IEventSource.

aws-cdk/packages/aws-cdk-lib/aws-lambda-event-sources/lib/s3.ts

Line 23 in 7624c62

export class S3EventSource implements lambda.IEventSource {

Thank you for your PR!