Dart Unused Files Scanner

A Dart CLI tool that scans your Flutter or Dart project to find unused .dart files that can be safely removed.

🚀 Example and result

Results look like this 👇️

dart_unused_files scan # enter to run

🔍 Scanning for unused Dart files...
📁 Analyzing 369 Dart files
📑 Reading 369 Dart files...
✅ Read 369 Dart files
============================================================
📊 UNUSED FILES ANALYSIS
============================================================
Total files scanned: 369
Files definitely used: 366
Files definitely unused: 3
============================================================
🗑️UNUSED FILES (safe to remove) 🔻
   - 📄 lib/models/menu_item.dart
   - 📄 lib/blocs/NP_Client/add_address_bloc.dart
   - 📄 lib/screens/no_connection.dart
--------------------------------------------------
💡 These files are NOT imported/exported/referenced anywhere.
💡 They are safe to delete after a final manual review.
💾 Total size of unused files: 16.75 KB
--------------------------------------------------

Why Use This Tool? 🔎

• Reduce Codebase Size: Find and remove unnecessary files to keep your project clean
• Improve Maintenance: Less unused code means easier maintenance
• Speed Up Build Times: Fewer files can lead to faster build times
• Accurate Detection: Comprehensive analysis to avoid false positives
• Safe to Use: Only recommends files that are truly unused

Installation 📦

dart pub global activate dart_unused_files

Usage 🚀

# Run in the current directory (project root)
dart_unused_files scan

# for advance use u can use the following options ⬇️

# Specify project directory
dart_unused_files scan --path /path/to/your/project

# Exclude specific file patterns
dart_unused_files scan --exclude-pattern "*.g.dart" --exclude-pattern "*.freezed.dart"

# Exclude specific folders
dart_unused_files scan --exclude-folder "generated" --exclude-folder "third_party"

Command Line Options ⚙️

Option	Alias	Description	Default
--help	-h	Print usage information	-
--path	-p	The path to the project directory to scan	.
--exclude-pattern	-e	File patterns to exclude from the scan	[]
--exclude-folder	-f	Folders to exclude from the scan	[]

How It Works 🧩

The tool uses a comprehensive approach to find unused Dart files:

1. File Collection: Scans all Dart files in the project
2. Dependency Analysis: Builds a complete map of file dependencies
3. Entry Point Detection: Identifies all possible entry points
4. Reachability Analysis: Marks all files reachable from any entry point
5. Pattern Matching: Looks for additional usage patterns
6. Report Generation: Lists only truly unused files

Default Exclusions 🛡️

The scanner automatically excludes these files and folders:

Files

• .g.dart (generated code)
• .gr.dart (generated routes)
• .freezed.dart (freezed generated code)
• .mocks.dart (mockito generated mocks)
• generated_plugin_registrant.dart
• firebase_options.dart

Folders

• generated
• .dart_tool
• build

License 📄

This project is licensed under the MIT License - see the LICENSE file for details.

Author 👨🏻‍💻

Emad Beltaje

Support 🧡

Don't forget to like the package 👍🏻 and star the repo ⭐️