FEEL Expression Language

Complete FEEL (Friendly Enough Expression Language) support for Visual Studio Code with advanced syntax highlighting and intelligent auto-formatting.

Features

🎨 Syntax Highlighting

• Rich color coding for FEEL keywords, operators, and functions
• Smart property highlighting with improved visibility
• Context-aware highlighting for different identifier types
• Built-in function recognition with proper scoping
• String and numeric literal highlighting

🔧 Auto-Formatting

• Smart indentation for nested expressions and control structures
• Configurable formatting rules
• Preserve user intent while maintaining consistent style
• Format on save support

⚡ Developer Experience

• Go to Definition - Ctrl+Click (Windows/Linux) or Cmd+Click (macOS) to navigate to property definitions
• Find All References - Find all usages of a property across the file
• Auto-closing brackets and quotes ({}, [], (), "")
• Smart bracket matching with visual indicators
• Comment toggling support (// and /* */)
• Code folding for better navigation
• Word-based navigation optimized for FEEL identifiers

Format Commands

Command Palette

• FEEL: Format Document - Format entire FEEL file

Keyboard Shortcuts

• Shift+Alt+F (Windows/Linux) or Shift+Option+F (macOS) - Format FEEL document (when FEEL file is active)

Context Menu

• Right-click in FEEL file → Format Document

Configuration

{
  "feel.formatting.enable": true,
  "feel.formatting.indentSize": 2,
  "feel.formatting.insertFinalNewline": true,
  "[feel]": {
    "editor.formatOnSave": true
  }
}

File Support

The extension automatically activates for files with .feel extension.

License

This project is licensed under the MIT License.

Copyright (c) 2025 Ahmad Alhowimel