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.
69 lines
1.6 KiB
JavaScript
69 lines
1.6 KiB
JavaScript
const { EventEmitter } = require("events");
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class AbortSignal {
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constructor() {
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this.eventEmitter = new EventEmitter();
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this.onabort = null;
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this.aborted = false;
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this.reason = undefined;
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}
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toString() {
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return "[object AbortSignal]";
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}
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get [Symbol.toStringTag]() {
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return "AbortSignal";
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}
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removeEventListener(name, handler) {
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this.eventEmitter.removeListener(name, handler);
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}
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addEventListener(name, handler) {
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this.eventEmitter.on(name, handler);
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}
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dispatchEvent(type) {
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const event = { type, target: this };
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const handlerName = `on${type}`;
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if (typeof this[handlerName] === "function") this[handlerName](event);
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this.eventEmitter.emit(type, event);
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}
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throwIfAborted() {
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if (this.aborted) {
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throw this.reason;
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}
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}
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static abort(reason) {
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const controller = new AbortController();
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controller.abort();
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return controller.signal;
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}
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static timeout(time) {
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const controller = new AbortController();
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setTimeout(() => controller.abort(new Error("TimeoutError")), time);
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return controller.signal;
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}
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}
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class AbortController {
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constructor() {
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this.signal = new AbortSignal();
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}
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abort(reason) {
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if (this.signal.aborted) return;
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this.signal.aborted = true;
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if (reason) this.signal.reason = reason;
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else this.signal.reason = new Error("AbortError");
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this.signal.dispatchEvent("abort");
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}
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toString() {
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return "[object AbortController]";
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}
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get [Symbol.toStringTag]() {
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return "AbortController";
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}
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}
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module.exports = { AbortController, AbortSignal };
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