545563e776
- 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.
40 lines
1011 B
JavaScript
40 lines
1011 B
JavaScript
const Minipass = require('minipass')
|
|
const _flush = Symbol('_flush')
|
|
const _flushed = Symbol('_flushed')
|
|
const _flushing = Symbol('_flushing')
|
|
class Flush extends Minipass {
|
|
constructor (opt = {}) {
|
|
if (typeof opt === 'function')
|
|
opt = { flush: opt }
|
|
|
|
super(opt)
|
|
|
|
// or extend this class and provide a 'flush' method in your subclass
|
|
if (typeof opt.flush !== 'function' && typeof this.flush !== 'function')
|
|
throw new TypeError('must provide flush function in options')
|
|
|
|
this[_flush] = opt.flush || this.flush
|
|
}
|
|
|
|
emit (ev, ...data) {
|
|
if ((ev !== 'end' && ev !== 'finish') || this[_flushed])
|
|
return super.emit(ev, ...data)
|
|
|
|
if (this[_flushing])
|
|
return
|
|
|
|
this[_flushing] = true
|
|
|
|
const afterFlush = er => {
|
|
this[_flushed] = true
|
|
er ? super.emit('error', er) : super.emit('end')
|
|
}
|
|
|
|
const ret = this[_flush](afterFlush)
|
|
if (ret && ret.then)
|
|
ret.then(() => afterFlush(), er => afterFlush(er))
|
|
}
|
|
}
|
|
|
|
module.exports = Flush
|