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.
19 lines
626 B
JavaScript
19 lines
626 B
JavaScript
define(['./_getLength', './isArray', './isString', './isArguments', './keys'], function (_getLength, isArray, isString, isArguments, keys) {
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// Is a given array, string, or object empty?
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// An "empty" object has no enumerable own-properties.
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function isEmpty(obj) {
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if (obj == null) return true;
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// Skip the more expensive `toString`-based type checks if `obj` has no
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// `.length`.
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var length = _getLength(obj);
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if (typeof length == 'number' && (
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isArray(obj) || isString(obj) || isArguments(obj)
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)) return length === 0;
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return _getLength(keys(obj)) === 0;
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}
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return isEmpty;
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});
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