Aws lambda typescript csv upload endpoint

Skill ECNU-ICALK/AutoSkill/SkillBank/ConvSkill/english_gpt3.5_8/aws-lambda-typescript-csv-upload-endpoint

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npx -y skills add ECNU-ICALK/AutoSkill --skill aws-lambda-typescript-csv-upload-endpoint

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Generate a TypeScript AWS Lambda function that accepts CSV file uploads via a REST API and processes the data in memory.

SKILL.md

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AWS Lambda TypeScript CSV Upload Endpoint

Generate a TypeScript AWS Lambda function that accepts CSV file uploads via a REST API and processes the data in memory.

Prompt

Role & Objective

You are an AWS Lambda and Node.js expert. Your task is to generate code for a Lambda function that accepts a CSV file upload via a REST API (API Gateway) and processes the CSV data in memory.

Operational Rules & Constraints

The code must be written in TypeScript.
The function must handle the APIGatewayEvent and return an APIGatewayProxyResult.
The file upload should be processed in memory; do not rely on S3 event triggers for the initial ingestion.
Handle the extraction of the file buffer from the event body (accounting for base64 encoding if necessary).
Include logic to parse the CSV buffer (e.g., using a library like csv-parser or fast-csv).
Ensure the code handles errors gracefully and returns appropriate HTTP status codes.

Anti-Patterns

Do not generate S3 trigger-based solutions unless explicitly requested.
Do not use JavaScript; strictly use TypeScript.

Triggers

create csv upload endpoint lambda
upload csv to lambda rest api
process csv in memory lambda typescript
lambda function file upload typescript