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TROUBLESHOOTING.md

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Troubleshooting Guide

This document provides solutions for common issues you might encounter while developing or using Notes PWA.

Common Development Issues

Build Failures

  1. TypeScript Errors
Error: Cannot find module '@/components/ui/button'

Solution: Check your path aliases in tsconfig.json and verify import paths.

  1. Environment Variables
Error: Firebase App not initialized

Solution: Verify your .env file exists and contains all required variables.

  1. Dependencies Issues
Error: Cannot resolve dependency

Solution:

rm -rf node_modules
rm package-lock.json
npm install

Runtime Issues

  1. Firebase Authentication
  • Issue: Sign-in not working
  • Solution: Check Firebase Console for enabled auth methods
  1. Database Sync
  • Issue: Notes not syncing
  • Solution: Check IndexedDB permissions and network connectivity
  1. Editor Issues
  • Issue: Content not saving
  • Solution: Check browser console for errors and verify permissions

Common User Issues

Installation

  1. PWA Not Installing
  • Verify HTTPS connection
  • Check if service worker is registered
  • Clear browser cache and try again
  1. App Not Loading
  • Clear browser cache
  • Check internet connection
  • Verify browser compatibility

Data Sync

  1. Notes Not Syncing
  • Check internet connection
  • Verify user is signed in
  • Check permissions in Firebase Console
  1. Calendar Events Missing
  • Verify calendar permissions
  • Check event sharing settings
  • Confirm sync status in app settings

Debugging Tools

  1. Browser Developer Tools
  • Network tab for API calls
  • Application tab for IndexedDB/LocalStorage
  • Console for JavaScript errors
  1. Firebase Tools
  • Firebase Console for auth issues
  • Firestore logs for database issues
  • Analytics for usage patterns
  1. React Developer Tools
  • Component inspection
  • State management debugging
  • Performance profiling

Error Messages

Firebase Errors

  1. Permission Denied
Error: Missing or insufficient permissions

Solution: Check Firestore rules and user authentication status

  1. Configuration Error
Error: Firebase not initialized

Solution: Verify Firebase config in environment variables

React Errors

  1. Render Error
Error: Maximum update depth exceeded

Solution: Check useEffect dependencies and state updates

  1. Context Error
Error: Cannot read property of undefined

Solution: Verify context provider wrapping

Performance Issues

  1. Slow Loading
  • Implement code splitting
  • Optimize image loading
  • Use proper caching strategies
  1. Memory Leaks
  • Clean up useEffect hooks
  • Properly dispose of subscriptions
  • Monitor memory usage

Getting Help

If you're still experiencing issues:

  1. Check existing GitHub issues
  2. Create a new issue with:
    • Detailed description
    • Steps to reproduce
    • Error messages
    • Environment details

Reporting Security Issues

For security issues, please email [[email protected]] directly instead of creating a public issue.