Supported Languages

ESLint Intl supports 10 languages and can be easily extended to support more.

Language List

Chinese

Simplified Chinese (简体中文)

• Code: zh-CN
• Region: Mainland China, Singapore, etc.
• Characteristic: Uses simplified characters

Traditional Chinese (繁體中文)

• Code: zh-TW
• Region: Taiwan, Hong Kong, Macau, etc.
• Characteristic: Uses traditional characters

East Asian Languages

Korean (한국어)

• Code: ko
• Region: South Korea, North Korea
• Characteristic: Uses Hangul alphabet

European Languages

German (Deutsch)

• Code: de
• Region: Germany, Austria, Switzerland, etc.
• Characteristic: Complex vocabulary and grammar

French (Français)

• Code: fr
• Region: France, Canada, Belgium, etc.
• Characteristic: Rich vocabulary, complex grammar

Spanish (Español)

• Code: es
• Region: Spain, Latin America, etc.
• Characteristic: Widely spoken language

Russian (Русский)

• Code: ru
• Region: Russia and CIS countries
• Characteristic: Uses Cyrillic alphabet, complex verbs

Italian (Italiano)

• Code: it
• Region: Italy, Switzerland, etc.
• Characteristic: Phonetically harmonic, relatively regular

Portuguese (Português)

• Code: pt
• Region: Portugal, Brazil, etc.
• Characteristic: Similar to Spanish but distinct

Middle Eastern Languages

Arabic (العربية)

• Code: ar
• Region: Middle East, North Africa, etc.
• Characteristic: Writes right-to-left, complex grammar

Choosing a Language

Via Settings

1. Open VS Code Settings (Ctrl+,)
2. Search eslintIntl.targetLanguage
3. Select from dropdown list

Via settings.json

{
  "eslintIntl.targetLanguage": "en"
}

Project-specific Configuration

In .vscode/settings.json for specific project:

{
  "eslintIntl.targetLanguage": "de"
}

Translation Quality

All translations are generated by AI models. Quality may vary based on:

• 📊 Model Capability: How well the model supports different languages
• 🎯 Term Accuracy: Translation accuracy of technical terms
• 📝 Context Understanding: Model's understanding of ESLint error context

Improving Translation Quality

1. Use Stronger Model: Upgrade to GPT-4 or similar
2. Optimize Prompts: Submit Issue with better prompt suggestions
3. Provide Feedback: Report translation issues on GitHub

Language Code Reference

Standard ISO 639-1 language codes:

Code	Language	Region
zh-CN	简体中文	China
zh-TW	繁體中文	Taiwan
ko	한국어	Korea
de	Deutsch	Germany
fr	Français	France
es	Español	Spain
ru	Русский	Russia
pt	Português	Portugal
it	Italiano	Italy
ar	العربية	Middle East

Adding New Languages

Want to add support for a new language? See Developer Guide.

Contribution Steps

1. Fork the project
2. Add new language code
3. Update translation files
4. Submit Pull Request

Multi-language Workflow

Working in multi-language projects:

Method 1: Workspace Configuration

Configure different languages for different work folders:

{
  "folders": [
    {
      "path": "frontend",
      "settings": {
        "eslintIntl.targetLanguage": "en"
      }
    },
    {
      "path": "backend",
      "settings": {
        "eslintIntl.targetLanguage": "de"
      }
    }
  ]
}

Method 2: Manual Switching

Switch languages manually when needed using Command Palette

FAQ

Q: My language is not listed, what can I do?

Please submit an Issue requesting support for your language.

Q: Translation shows incorrectly or has garbled characters?

• Check VS Code's default character encoding settings
• Try clearing cache: ESLint Intl: Clear Translation Cache
• Report Issue with example

Q: Is RTL language (Arabic) supported?

Yes, but display may require VS Code RTL support.

Q: Can I use multiple languages at once?

Not directly, but you can configure workspaces with different languages.

Need Help?

• 📖 See Configuration Guide
• 🐛 Submit an Issue
• 💬 Join the Discussion