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

1.6 KiB

BSER Binary Serialization

BSER is a binary serialization scheme that can be used as an alternative to JSON. BSER uses a framed encoding that makes it simpler to use to stream a sequence of encoded values.

It is intended to be used for local-IPC only and strings are represented as binary with no specific encoding; this matches the convention employed by most operating system filename storage.

For more details about the serialization scheme see Watchman's docs.

API

var bser = require('bser');

bser.loadFromBuffer

The is the synchronous decoder; given an input string or buffer, decodes a single value and returns it. Throws an error if the input is invalid.

var obj = bser.loadFromBuffer(buf);

bser.dumpToBuffer

Synchronously encodes a value as BSER.

var encoded = bser.dumpToBuffer(['hello']);
console.log(bser.loadFromBuffer(encoded)); // ['hello']

BunserBuf

The asynchronous decoder API is implemented in the BunserBuf object. You may incrementally append data to this object and it will emit the decoded values via its value event.

var bunser = new bser.BunserBuf();

bunser.on('value', function(obj) {
  console.log(obj);
});

Then in your socket data event:

bunser.append(buf);

Example

Read BSER from socket:

var bunser = new bser.BunserBuf();

bunser.on('value', function(obj) {
  console.log('data from socket', obj);
});

var socket = net.connect('/socket');

socket.on('data', function(buf) {
  bunser.append(buf);
});

Write BSER to socket:

socket.write(bser.dumpToBuffer(obj));