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.
26 lines
828 B
JavaScript
26 lines
828 B
JavaScript
'use strict'
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var stringWidth = require('string-width')
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var stripAnsi = require('strip-ansi')
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module.exports = wideTruncate
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function wideTruncate (str, target) {
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if (stringWidth(str) === 0) return str
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if (target <= 0) return ''
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if (stringWidth(str) <= target) return str
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// We compute the number of bytes of ansi sequences here and add
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// that to our initial truncation to ensure that we don't slice one
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// that we want to keep in half.
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var noAnsi = stripAnsi(str)
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var ansiSize = str.length + noAnsi.length
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var truncated = str.slice(0, target + ansiSize)
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// we have to shrink the result to account for our ansi sequence buffer
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// (if an ansi sequence was truncated) and double width characters.
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while (stringWidth(truncated) > target) {
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truncated = truncated.slice(0, -1)
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}
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return truncated
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}
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