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.
22 lines
607 B
JavaScript
22 lines
607 B
JavaScript
module.exports = shift
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function shift (stream) {
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var rs = stream._readableState
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if (!rs) return null
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return (rs.objectMode || typeof stream._duplexState === 'number') ? stream.read() : stream.read(getStateLength(rs))
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}
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function getStateLength (state) {
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if (state.buffer.length) {
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var idx = state.bufferIndex || 0
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// Since node 6.3.0 state.buffer is a BufferList not an array
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if (state.buffer.head) {
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return state.buffer.head.data.length
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} else if (state.buffer.length - idx > 0 && state.buffer[idx]) {
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return state.buffer[idx].length
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}
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}
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return state.length
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}
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