
- 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.
17 lines
410 B
JavaScript
17 lines
410 B
JavaScript
'use strict';
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var $abs = require('./abs');
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var $floor = require('./floor');
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var $isNaN = require('./isNaN');
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var $isFinite = require('./isFinite');
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/** @type {import('./isInteger')} */
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module.exports = function isInteger(argument) {
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if (typeof argument !== 'number' || $isNaN(argument) || !$isFinite(argument)) {
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return false;
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}
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var absValue = $abs(argument);
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return $floor(absValue) === absValue;
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};
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