Typescript

AI Code Reviewer

Create an automated code review tool powered by AI. Integrate with GitHub, analyze code quality, and generate suggestions.

⏱️ 1h 45min

📦 6 modules

🎯 Beginner

What You'll Build

In this lab, you'll create an AI-powered code review tool that integrates with GitHub to automatically analyze pull requests. Your tool will examine code quality and adherence to best practices, identify potential bugs and security issues, and generate constructive feedback with specific suggestions.

The final product will work as a fully functional GitHub App that can be installed in any repository. Perfect for teams that want to automate code review and maintain high quality standards across their codebase.

Learning Objectives

Integrate with GitHub API and configure webhooks
Analyze code changes and diffs programmatically
Use AI to generate meaningful review comments
Implement automated quality checks
Handle different programming languages
Deploy as a GitHub App

Prerequisites

Basic TypeScript/JavaScript knowledge
Understanding of Git and GitHub workflows
Familiarity with REST APIs
Basic understanding of code quality concepts

Course Modules

GitHub Integration Setup

Create a GitHub App and set up webhook integration.

You'll learn:

Use @octokit/rest for GitHub API
Configure webhook endpoints with Express
Handle pull_request events
Authenticate with JWT tokens

Processing Code Diffs

Parse and analyze code changes from pull requests. Extract relevant context and prepare data for AI analysis.

AI-Powered Analysis

Integrate OpenAI to analyze code changes and generate intelligent feedback. You'll connect to the OpenAI API, analyze code using GPT-4, and generate constructive feedback with specific improvement suggestions. Learn how to craft effective prompts that produce actionable code review comments.

Posting Review Comments

Learn to post inline comments on specific lines of code and create comprehensive review summaries.

Quality Rules & Customization

Implement custom quality rules, language-specific checks, and allow configuration per repository.

Deployment & Production

Deploy your code reviewer as a service, handle rate limits, implement caching, and monitor performance.

Technologies

TypeScript Node.js GitHub OpenAI Octokit Express