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

29 lines
927 B
JavaScript

// Matches strings that look like dates using "/" as a separator.
// Examples: 3/10/2011, 31/10/96 or 08/31/95.
const SLASH_SEPARATED_DATES = /(?:(?:[0-3]?\d\/[01]?\d)|(?:[01]?\d\/[0-3]?\d))\/(?:[12]\d)?\d{2}/
// Matches timestamps.
// Examples: "2012-01-02 08:00".
// Note that the reg-ex does not include the
// trailing ":\d\d" -- that is covered by TIME_STAMPS_SUFFIX.
const TIME_STAMPS = /[12]\d{3}[-/]?[01]\d[-/]?[0-3]\d +[0-2]\d$/
const TIME_STAMPS_SUFFIX_LEADING = /^:[0-5]\d/
export default function isValidPreCandidate(candidate, offset, text)
{
// Skip a match that is more likely to be a date.
if (SLASH_SEPARATED_DATES.test(candidate)) {
return false
}
// Skip potential time-stamps.
if (TIME_STAMPS.test(candidate))
{
const followingText = text.slice(offset + candidate.length)
if (TIME_STAMPS_SUFFIX_LEADING.test(followingText)) {
return false
}
}
return true
}