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.
33 lines
1.2 KiB
Markdown
33 lines
1.2 KiB
Markdown
# East Asian Width
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Get [East Asian Width](http://www.unicode.org/reports/tr11/) from a character.
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'F'(Fullwidth), 'H'(Halfwidth), 'W'(Wide), 'Na'(Narrow), 'A'(Ambiguous) or 'N'(Natural).
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Original Code is [東アジアの文字幅 (East Asian Width) の判定 - 中途](http://d.hatena.ne.jp/takenspc/20111126#1322252878).
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## Install
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$ npm install eastasianwidth
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## Usage
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var eaw = require('eastasianwidth');
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console.log(eaw.eastAsianWidth('￦')) // 'F'
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console.log(eaw.eastAsianWidth('｡')) // 'H'
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console.log(eaw.eastAsianWidth('뀀')) // 'W'
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console.log(eaw.eastAsianWidth('a')) // 'Na'
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console.log(eaw.eastAsianWidth('①')) // 'A'
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console.log(eaw.eastAsianWidth('ف')) // 'N'
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console.log(eaw.characterLength('￦')) // 2
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console.log(eaw.characterLength('｡')) // 1
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console.log(eaw.characterLength('뀀')) // 2
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console.log(eaw.characterLength('a')) // 1
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console.log(eaw.characterLength('①')) // 2
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console.log(eaw.characterLength('ف')) // 1
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console.log(eaw.length('あいうえお')) // 10
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console.log(eaw.length('abcdefg')) // 7
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console.log(eaw.length('￠￦｡ￜㄅ뀀¢⟭a⊙①بف')) // 19
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