rsgMLB

Code powering @rsgMLB Twitter Bot.

Overview

This repository contains the code for the @rsgMLB Twitter Bot, an automated system that posts interesting baseball statistics and facts. The bot is designed to run as an AWS Lambda function, periodically fetching data from Baseball-Reference.com and posting updates to Twitter.

Features

• Scrapes player data from Baseball-Reference.com
• Parses HTML to extract relevant statistics
• Supports both position players and pitchers
• Generates engaging tweets based on player statistics
• Runs serverless on AWS Lambda

Tech Stack

• TypeScript
• Node.js
• AWS Lambda
• Twitter API (via twitter-api-v2)
• Cheerio for HTML parsing
• Axios for HTTP requests
• Jest for testing

Project Structure

• src/: Contains the source TypeScript files
  • handler.ts: Main Lambda function handler
  • parsePlayer.ts: Logic for parsing player data from HTML
  • parsePlayer.test.ts: Unit tests for the parsing logic
  • local.ts: Script for running the bot locally
• dist/: Compiled JavaScript files
• sample_data/: HTML samples for testing

Setup and Deployment

1. Clone the repository
2. Install dependencies: npm install
3. Set up environment variables (Twitter API keys, AWS credentials)
4. Build the project: npm run build
5. Deploy to AWS Lambda (refer to AWS documentation for deployment steps)

Local Development

• Run tests: npm test
• Watch tests: npm run test:watch
• Start locally: npm start