LeetCode Revision Tracker

A full-stack utility designed to streamline the process of tracking LeetCode problem-solving progress. This tool integrates directly with the LeetCode interface to capture problem metadata and sync it to a Notion database for organized revision.

Project Components

1. Chrome Extension (/extension)

A Manifest V3 Chrome Extension that integrates a "Save to Notion" trigger directly into the LeetCode user interface.

• Capabilities: Automated data extraction, seamless UI integration, and real-time feedback.
• Stack: JavaScript, CSS3, Chrome Extensions API.

2. Backend Service (/notion-backend)

A lightweight Node.js/Express server acting as the secure bridge between the browser extension and the Notion API.

• Capabilities: Data validation, deduplication redundancy, and Notion database management.
• Stack: Node.js, Express, Notion Client SDK.

Documentation

A full documentation site is available in the docs/ directory. To run it:

cd docs
npm install
npm run dev

Visit http://localhost:3000 to view the comprehensive setup and usage guides.

Getting Started

Backend Setup

1. Initialize the backend service:

   cd notion-backend
   npm install
   node index.js

   The service listens on http://localhost:5001.

Extension Setup

1. Open Chrome and access the Extensions management page (chrome://extensions).
2. Enable Developer mode.
3. Select "Load unpacked" and choose the extension/ directory.

Workflow

1. Open a problem on LeetCode.
2. Click the floating "Save" button in the bottom-right corner.
3. Verify the entry in your Notion database.

Detailed Setup

For a complete guide on setting up the Notion integration, including how to generate tokens and automatically create the required databases, please refer to SETUP.md.