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.
38 lines
941 B
JavaScript
38 lines
941 B
JavaScript
/** Used to detect hot functions by number of calls within a span of milliseconds. */
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var HOT_COUNT = 800,
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HOT_SPAN = 16;
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/* Built-in method references for those with the same name as other `lodash` methods. */
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var nativeNow = Date.now;
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/**
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* Creates a function that'll short out and invoke `identity` instead
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* of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
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* milliseconds.
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*
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* @private
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* @param {Function} func The function to restrict.
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* @returns {Function} Returns the new shortable function.
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*/
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function shortOut(func) {
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var count = 0,
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lastCalled = 0;
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return function() {
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var stamp = nativeNow(),
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remaining = HOT_SPAN - (stamp - lastCalled);
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lastCalled = stamp;
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if (remaining > 0) {
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if (++count >= HOT_COUNT) {
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return arguments[0];
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}
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} else {
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count = 0;
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}
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return func.apply(undefined, arguments);
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};
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}
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module.exports = shortOut;
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