Overview
val_highlight is a pure Dart package providing syntax highlighting for 55 languages with support for incremental updates, customizable themes, and import of VS Code themes. It generates HTML output and runs seamlessly across all major platforms including Android, iOS, Linux, macOS, Web, and Windows. Ideal for developers building code editors or documentation tools that require real-time language-specific highlighting without external dependencies.
Use cases
- Code editor implementations
- Documentation generation
- Real-time syntax preview
- Educational coding apps
- Static site generation with highlighted code
- Cross-platform code display
Key features
- Supports 55 programming languages
- Incremental highlighting updates
- VS Code theme import capability
- HTML output generation
- Pure Dart implementation
- Multi-platform compatibility
Suitable for
- Developers building code editors
- Apps requiring dynamic syntax highlighting
- Web and mobile apps with code snippets
- Documentation and tutorial platforms
- Projects needing lightweight syntax highlighting
Considerations
- May require optimization for very large code files
- Theme customization requires understanding of CSS/JSON formats
- Limited to predefined language grammars
- No built-in line numbering
- Performance depends on update granularity