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.
23 lines
511 B
JavaScript
23 lines
511 B
JavaScript
var createMathOperation = require('./_createMathOperation');
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/**
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* Subtract two numbers.
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*
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* @static
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* @memberOf _
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* @since 4.0.0
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* @category Math
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* @param {number} minuend The first number in a subtraction.
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* @param {number} subtrahend The second number in a subtraction.
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* @returns {number} Returns the difference.
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* @example
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*
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* _.subtract(6, 4);
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* // => 2
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*/
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var subtract = createMathOperation(function(minuend, subtrahend) {
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return minuend - subtrahend;
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}, 0);
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module.exports = subtract;
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