Function Scanner for VS Code

An efficient, extensible code scanner that identifies functions longer than a specified threshold (default: 5 lines) across your TypeScript/JavaScript workspace. Built with a modern plugin system following DRY (Don't Repeat Yourself) and KISS (Keep It Simple, Stupid) principles.

Features

🔍 Real-time Scanning - Automatically scans workspace on startup and monitors file changes
⚡ Fast Performance - Scans 100 TypeScript files in ~2-3 seconds with smart caching
🎯 Smart Caching - In-memory cache with file hash validation avoids redundant scans
📊 Tree View UI - Visual hierarchy of files → functions for easy navigation

Quick Start

Install - Install this extension in VS Code
Open Workspace - Open a TypeScript/JavaScript project
Scan - Run command: "Scan for Functions Longer Than 5 Lines"
Navigate - Click any function in the tree view to jump to it

Performance

Performance benchmarks (tested on 100 TypeScript files, 5 functions per file):

Operation	Time	Notes
First Scan (Cold Cache)	~2.3 seconds	Full workspace analysis
Second Scan (Warm Cache)	~580ms	75% faster with cached results
Single File Scan	~10-20ms	Per-file incremental scan
Full Parallelization	4.03x speedup	vs sequential processing
Tree Update Latency	~20ms	UI response time

License

MIT

Made with ❤️ for developers who care about code quality

For more information

Enjoy!

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