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.
25 lines
758 B
TypeScript
25 lines
758 B
TypeScript
/**
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* Calculates the UTF8 byte length of a string.
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* @param {string} string String
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* @returns {number} Byte length
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*/
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export function length(string: string): number;
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/**
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* Reads UTF8 bytes as a string.
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* @param {Uint8Array} buffer Source buffer
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* @param {number} start Source start
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* @param {number} end Source end
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* @returns {string} String read
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*/
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export function read(buffer: Uint8Array, start: number, end: number): string;
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/**
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* Writes a string as UTF8 bytes.
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* @param {string} string Source string
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* @param {Uint8Array} buffer Destination buffer
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* @param {number} offset Destination offset
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* @returns {number} Bytes written
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*/
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export function write(string: string, buffer: Uint8Array, offset: number): number;
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