
- 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.
47 lines
1.1 KiB
JavaScript
47 lines
1.1 KiB
JavaScript
var baseKeys = require('./_baseKeys'),
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getTag = require('./_getTag'),
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isArrayLike = require('./isArrayLike'),
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isString = require('./isString'),
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stringSize = require('./_stringSize');
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/** `Object#toString` result references. */
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var mapTag = '[object Map]',
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setTag = '[object Set]';
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/**
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* Gets the size of `collection` by returning its length for array-like
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* values or the number of own enumerable string keyed properties for objects.
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*
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* @static
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* @memberOf _
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* @since 0.1.0
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* @category Collection
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* @param {Array|Object|string} collection The collection to inspect.
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* @returns {number} Returns the collection size.
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* @example
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*
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* _.size([1, 2, 3]);
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* // => 3
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*
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* _.size({ 'a': 1, 'b': 2 });
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* // => 2
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*
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* _.size('pebbles');
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* // => 7
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*/
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function size(collection) {
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if (collection == null) {
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return 0;
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}
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if (isArrayLike(collection)) {
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return isString(collection) ? stringSize(collection) : collection.length;
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}
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var tag = getTag(collection);
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if (tag == mapTag || tag == setTag) {
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return collection.size;
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}
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return baseKeys(collection).length;
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}
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module.exports = size;
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