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TheAdarsh

CollabBros

Full StackNov 2024

Real-time collaborative text editor with multiple language support.

Project Overview

  • Developed a real-time collaborative editor that revolutionizes how developers and creators work together
  • Implemented seamless synchronization of edits across all connected users
  • Created support for multiple programming languages and markdown with live preview
  • Designed intuitive room-based collaboration system with unique links
  • Built customizable interface with theme support for personalized editing experience

Key Features

  • Live collaborative editing with instant updates
  • Room creation with unique shareable links
  • Support for JavaScript, CSS, Python, HTML, and Markdown
  • Markdown preview tab for rendered content viewing
  • Theme customization (Dracula, Material, Eclipse)
  • Real-time cursor position and edit indicators
  • Room code system for secure access
  • Copy/paste support for quick content sharing
  • User presence indicators showing active collaborators
  • Responsive design works on all devices
  • No installation required - works in browser

Technical Details

  • Frontend: React with TypeScript
  • Real-time synchronization: Firebase Realtime Database
  • Editor: Monaco Editor (same engine as VS Code)
  • Markdown processing: Marked.js
  • Authentication: Firebase Auth
  • State management: Redux Toolkit
  • Theming: CSS Variables with theme switching
  • Deployment: Vercel with CI/CD pipeline
  • Performance optimization: Debounced updates
  • Error handling: Sentry integration

Challenges

  • Implementing real-time synchronization without lag
  • Handling concurrent edits from multiple users
  • Maintaining editor performance with many participants
  • Creating reliable markdown preview system
  • Ensuring data consistency across clients

Solutions

  • Used Firebase Realtime Database for low-latency updates
  • Implemented operational transformation for concurrent edits
  • Optimized editor rendering with virtualized components
  • Created debounced preview generation for markdown
  • Developed conflict resolution algorithm
  • Added offline support with sync-on-reconnect

Technologies Used

ReactJsTypeScriptFirebaseReduxMonaco Editor

Project Links

Project Screenshots

CollabBros screenshot 1
CollabBros screenshot 2
CollabBros screenshot 3