Overview
PrettyDiffText is a Flutter package that wraps RichText to visually highlight differences between two text strings. It leverages Google's diff-match-patch library for accurate and efficient text comparison, making it ideal for showing edits, changes, or revisions in a readable format. The package supports multiple platforms and integrates seamlessly into apps needing real-time or historical text comparison. It enhances user experience by clearly marking additions, deletions, and modifications with color and formatting.
Use cases
- Showing text revisions in collaborative apps
- Visualizing code or document changes
- Displaying edit history in note-taking apps
- Highlighting differences in versioned content
- Real-time text comparison in chat or messaging
- Tracking updates in configuration or settings
Key features
- Uses diff-match-patch for precise comparisons
- Supports rich text formatting
- Color-coded additions and deletions
- Cross-platform compatibility
- Easy integration with existing RichText widgets
- Customizable styling options
Suitable for
- Developers building editing or collaboration tools
- Apps requiring change tracking
- Educational or documentation platforms
- Version control interfaces
- UIs displaying dynamic text updates
Considerations
- May increase widget complexity for simple cases
- Performance impact with very long texts
- Requires careful handling of nested rich text
- Limited customization beyond basic styling
- Depends on external diff-match-patch library
- Not optimized for high-frequency updates