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
689 B
JavaScript
29 lines
689 B
JavaScript
var baseRandom = require('./_baseRandom');
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/**
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* A specialized version of `_.shuffle` which mutates and sets the size of `array`.
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*
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* @private
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* @param {Array} array The array to shuffle.
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* @param {number} [size=array.length] The size of `array`.
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* @returns {Array} Returns `array`.
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*/
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function shuffleSelf(array, size) {
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var index = -1,
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length = array.length,
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lastIndex = length - 1;
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size = size === undefined ? length : size;
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while (++index < size) {
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var rand = baseRandom(index, lastIndex),
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value = array[rand];
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array[rand] = array[index];
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array[index] = value;
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}
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array.length = size;
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return array;
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}
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module.exports = shuffleSelf;
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