Automated Action 545563e776 Implement comprehensive real-time chat API with NestJS
- Complete NestJS TypeScript implementation with WebSocket support
- Direct messaging (DM) and group chat functionality
- End-to-end encryption with AES encryption and key pairs
- Media file support (images, videos, audio, documents) up to 100MB
- Push notifications with Firebase Cloud Messaging integration
- Mention alerts and real-time typing indicators
- User authentication with JWT and Passport
- SQLite database with TypeORM entities and relationships
- Comprehensive API documentation with Swagger/OpenAPI
- File upload handling with secure access control
- Online/offline status tracking and presence management
- Message editing, deletion, and reply functionality
- Notification management with automatic cleanup
- Health check endpoint for monitoring
- CORS configuration for cross-origin requests
- Environment-based configuration management
- Structured for Flutter SDK integration

Features implemented:
 Real-time messaging with Socket.IO
 User registration and authentication
 Direct messages and group chats
 Media file uploads and management
 End-to-end encryption
 Push notifications
 Mention alerts
 Typing indicators
 Message read receipts
 Online status tracking
 File access control
 Comprehensive API documentation

Ready for Flutter SDK development and production deployment.
2025-06-21 17:13:05 +00:00

35 lines
1.2 KiB
JavaScript

export default function symbolObservablePonyfill(root) {
var result;
var Symbol = root.Symbol;
if (typeof Symbol === 'function') {
if (Symbol.observable) {
result = Symbol.observable;
} else {
if (typeof Symbol.for === 'function') {
// This just needs to be something that won't trample other user's Symbol.for use
// It also will guide people to the source of their issues, if this is problematic.
// META: It's a resource locator!
result = Symbol.for('https://github.com/benlesh/symbol-observable');
} else {
// Symbol.for didn't exist! The best we can do at this point is a totally
// unique symbol. Note that the string argument here is a descriptor, not
// an identifier. This symbol is unique.
result = Symbol('https://github.com/benlesh/symbol-observable');
}
try {
Symbol.observable = result;
} catch (err) {
// Do nothing. In some environments, users have frozen `Symbol` for security reasons,
// if it is frozen assigning to it will throw. In this case, we don't care, because
// they will need to use the returned value from the ponyfill.
}
}
} else {
result = '@@observable';
}
return result;
};