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.
20 lines
669 B
JavaScript
20 lines
669 B
JavaScript
import LRUCache from './LRUCache.js'
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// A cache for frequently used country-specific regular expressions. Set to 32 to cover ~2-3
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// countries being used for the same doc with ~10 patterns for each country. Some pages will have
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// a lot more countries in use, but typically fewer numbers for each so expanding the cache for
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// that use-case won't have a lot of benefit.
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export default class RegExpCache {
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constructor(size) {
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this.cache = new LRUCache(size)
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}
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getPatternForRegExp(pattern) {
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let regExp = this.cache.get(pattern)
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if (!regExp) {
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regExp = new RegExp('^' + pattern)
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this.cache.put(pattern, regExp)
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}
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return regExp
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}
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} |