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.
34 lines
533 B
Markdown
34 lines
533 B
Markdown
# lines-and-columns
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Maps lines and columns to character offsets and back. This is useful for parsers
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and other text processors that deal in character ranges but process text with
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meaningful lines and columns.
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## Install
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```
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$ npm install [--save] lines-and-columns
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```
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## Usage
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```js
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import { LinesAndColumns } from 'lines-and-columns'
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const lines = new LinesAndColumns(
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`table {
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border: 0
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}`
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)
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lines.locationForIndex(9)
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// { line: 1, column: 1 }
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lines.indexForLocation({ line: 1, column: 2 })
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// 10
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```
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## License
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MIT
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