functra - Function Flow Visualizer

functra is a powerful VS Code extension designed to visualize function flow within your codebase. It allows developers to track the execution of API functions and custom-made functions from start to end in an interactive graph-based view. With built-in search functionality, you can quickly find and explore specific functions within complex code structures.

Demo

✨ Features

✅ Graph-Based Function Flow Visualization
Visualize the flow and dependencies between functions in your code using an interactive graph, making it easier to understand execution order.

✅ Search & Highlight Functions
Easily find and highlight any function in the graph with a quick search.

✅ Supports Custom Functions
Captures user-defined functions, giving you a complete picture of function interactions.

✅ Lightweight & Fast
Optimized for performance, enabling smooth interaction even with large codebases.

✅ Download Graph as PNG
Export the visualized graph as a PNG image, now with timestamped filenames for better organization.

✅ Loading Indicator
Displays a loading spinner during initialization for better user feedback.

✅ Optimized for Python and FastAPI
Specifically designed to work seamlessly with Python and FastAPI projects. Experimental support for other languages is available and may vary in stability.

Installation

1. Open VS Code
2. Go to the Extensions Marketplace (Ctrl+Shift+X / Cmd+Shift+X on Mac)
3. Search for functra
4. Click Install
5. Enjoy seamless function visualization!

Usage

1. Open your project in VS Code.
2. Select a function without parentheses.
3. Right-click and choose functra from the context menu.
4. The extension will analyze your code and generate a graph-based function flow.
5. Use the search bar to find specific functions.
6. Double Click on a function node to view its details / Definition.
7. Click on Download to Download the Flowchart in the form of PNG.

Requirements

• VS Code v1.65+
• Node.js (Optional, for enhanced processing speed)

Extension Settings

functra contributes the following settings:

• functra.enable: Enable/disable functra.

Known Issues

• Large projects may take a few seconds to process.
• Some dynamically generated functions may not appear.

If you encounter any issues, please report them on our GitHub Issues page.

Contributing

We welcome contributions! If you'd like to improve functra, feel free to submit a PR on GitHub.

Made with ❤️ by Abhishek Sharma and Prem Kothawle

License

MIT License

Enjoy using functra? Give us a 5⭐ on VSCode Market Place and ⭐ on GitHub! 🚀