Automated Action 545563e776 Implement comprehensive real-time chat API with NestJS
- 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.
2025-06-21 17:13:05 +00:00

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# Browserslist [![Cult Of Martians][cult-img]][cult]
<img width="120" height="120" alt="Browserslist logo by Anton Popov"
src="https://browsersl.ist/logo.svg" align="right">
The config to share target browsers and Node.js versions between different
front-end tools. It is used in:
* [Autoprefixer]
* [Babel]
* [postcss-preset-env]
* [eslint-plugin-compat]
* [stylelint-no-unsupported-browser-features]
* [postcss-normalize]
* [obsolete-webpack-plugin]
All tools will find target browsers automatically,
when you add the following to `package.json`:
```json
"browserslist": [
"defaults and fully supports es6-module",
"maintained node versions"
]
```
Or in `.browserslistrc` config:
```yaml
# Browsers that we support
defaults and fully supports es6-module
maintained node versions
```
Developers set their version lists using queries like `last 2 versions`
to be free from updating versions manually.
Browserslist will use [`caniuse-lite`] with [Can I Use] data for this queries.
You can check how config works at our playground: [`browsersl.ist`](https://browsersl.ist/)
<a href="https://browsersl.ist/">
<img src="/img/screenshot.webp" alt="browsersl.ist website">
</a>
<br>
<br>
<div align="center">
<a href="https://evilmartians.com/?utm_source=browserslist"><img src="https://evilmartians.com/badges/sponsored-by-evil-martians.svg" alt="Sponsored by Evil Martians" width="236" height="54"></a>  <a href="https://cube.dev/?ref=eco-browserslist-github"><img src="https://user-images.githubusercontent.com/986756/154330861-d79ab8ec-aacb-4af8-9e17-1b28f1eccb01.svg" alt="Supported by Cube" width="227" height="46"></a>
</div>
[stylelint-no-unsupported-browser-features]: https://github.com/ismay/stylelint-no-unsupported-browser-features
[obsolete-webpack-plugin]: https://github.com/ElemeFE/obsolete-webpack-plugin
[eslint-plugin-compat]: https://github.com/amilajack/eslint-plugin-compat
[Browserslist Example]: https://github.com/browserslist/browserslist-example
[postcss-preset-env]: https://github.com/csstools/postcss-plugins/tree/main/plugin-packs/postcss-preset-env
[postcss-normalize]: https://github.com/csstools/postcss-normalize
[`browsersl.ist`]: https://browsersl.ist/
[`caniuse-lite`]: https://github.com/ben-eb/caniuse-lite
[Autoprefixer]: https://github.com/postcss/autoprefixer
[Can I Use]: https://caniuse.com/
[Babel]: https://github.com/babel/babel/tree/master/packages/babel-preset-env
[cult-img]: https://cultofmartians.com/assets/badges/badge.svg
[cult]: https://cultofmartians.com/done.html
## Docs
Read full docs **[here](https://github.com/browserslist/browserslist#readme)**.