
- 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.
1.7 KiB
1.7 KiB
async-retry
Retrying made simple, easy, and async.
Usage
// Packages
const retry = require('async-retry');
const fetch = require('node-fetch');
await retry(
async (bail) => {
// if anything throws, we retry
const res = await fetch('https://google.com');
if (403 === res.status) {
// don't retry upon 403
bail(new Error('Unauthorized'));
return;
}
const data = await res.text();
return data.substr(0, 500);
},
{
retries: 5,
}
);
API
retry(retrier : Function, opts : Object) => Promise
- The supplied function can be
async
or not. In other words, it can be a function that returns aPromise
or a value. - The supplied function receives two parameters
- A
Function
you can invoke to abort the retrying (bail) - A
Number
identifying the attempt. The absolute first attempt (before any retries) is1
.
- A
- The
opts
are passed tonode-retry
. Read its docsretries
: The maximum amount of times to retry the operation. Default is10
.factor
: The exponential factor to use. Default is2
.minTimeout
: The number of milliseconds before starting the first retry. Default is1000
.maxTimeout
: The maximum number of milliseconds between two retries. Default isInfinity
.randomize
: Randomizes the timeouts by multiplying with a factor between1
to2
. Default istrue
.onRetry
: an optionalFunction
that is invoked after a new retry is performed. It's passed theError
that triggered it as a parameter.
Authors
- Guillermo Rauch (@rauchg) - Vercel
- Leo Lamprecht (@notquiteleo) - Vercel