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.
29 lines
677 B
JavaScript
29 lines
677 B
JavaScript
'use strict';
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const isStream = stream =>
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stream !== null &&
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typeof stream === 'object' &&
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typeof stream.pipe === 'function';
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isStream.writable = stream =>
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isStream(stream) &&
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stream.writable !== false &&
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typeof stream._write === 'function' &&
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typeof stream._writableState === 'object';
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isStream.readable = stream =>
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isStream(stream) &&
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stream.readable !== false &&
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typeof stream._read === 'function' &&
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typeof stream._readableState === 'object';
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isStream.duplex = stream =>
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isStream.writable(stream) &&
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isStream.readable(stream);
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isStream.transform = stream =>
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isStream.duplex(stream) &&
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typeof stream._transform === 'function';
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module.exports = isStream;
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