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.
22 lines
573 B
JavaScript
22 lines
573 B
JavaScript
// Generate an integer Array containing an arithmetic progression. A port of
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// the native Python `range()` function. See
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// [the Python documentation](https://docs.python.org/library/functions.html#range).
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export default function range(start, stop, step) {
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if (stop == null) {
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stop = start || 0;
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start = 0;
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}
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if (!step) {
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step = stop < start ? -1 : 1;
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}
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var length = Math.max(Math.ceil((stop - start) / step), 0);
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var range = Array(length);
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for (var idx = 0; idx < length; idx++, start += step) {
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range[idx] = start;
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}
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return range;
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}
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