feat(stepfunctions): add support for custom CSV delimiters in S3CsvItemReader

[mazyu36]

Issue # (if applicable)

Closes #33418.

Reason for this change

CSVDelimiter in ItemReader is not supported in L2 Construct.

Ref: https://docs.aws.amazon.com/step-functions/latest/dg/input-output-itemreader.html#itemreader-field-contents

Description of changes

Add csvDelimiter property.

Describe any new or updated permissions being added

Nothing.

Description of how you validated changes

Add a unit test and an integ test.

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

---

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[aws-cdk-automation]

(This review is outdated)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.20%. Comparing base (8dcbde3) to head (c67f07b).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #33558   +/-   ##
=======================================
  Coverage   82.20%   82.20%           
=======================================
  Files         119      119           
  Lines        6862     6862           
  Branches     1158     1158           
=======================================
  Hits         5641     5641           
  Misses       1118     1118           
  Partials      103      103           

Flag	Coverage Δ
suite.unit	82.20% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
packages/aws-cdk	∅ <ø> (∅)
packages/aws-cdk-lib/core	82.20% <ø> (ø)

[mazyu36]

Exemption Request: The details of options for CSV and JSON readers are not written, so I did not add this time either.

[mazyu36]

@Mergifyio update

[mergify]

update

✅ Branch has been successfully updated

[mazyu36]

@Mergifyio refresh

[mergify]

refresh

✅ Pull request refreshed

✅ Updated pull request passes all PRLinter validations. Dismissing previous PRLinter review.

[mergify]

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: c67f07b
• Result: SUCCEEDED
• Build Logs (available for 30 days)

Powered by github-codebuild-logs, available on the AWS Serverless Application Repository

[mergify]

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

[github-actions]

Comments on closed issues and PRs are hard for our team to see.
If you need help, please open a new issue that references this one.