AWS Lambda TypeScript CSV Upload Endpoint

npx skills add ECNU-ICALK/AutoSkill --skill aws-lambda-typescript-csv-upload-endpoint --agent claude-code

Same command for any agent — swap --agent for codex, cursor, copilot.

# 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 lam