ai-perf-scan

AI-powered performance scanner for React Native and React apps.

Installation

npm install -g ai-perf-scan

Usage

# Scan current directory
ai-perf-scan

# Scan specific path
ai-perf-scan --path ./my-app

# Enable AI-powered suggestions (requires OpenAI API key)
ai-perf-scan --ai --api-key YOUR_OPENAI_API_KEY

# Show verbose output
ai-perf-scan --verbose

# Output as JSON
ai-perf-scan --json

What it scans

Dependencies

• Heavy dependencies (moment, lodash, etc.)
• Duplicate libraries (axios + node-fetch, moment + date-fns)
• Full lodash imports instead of modular imports
• High dependency count

Assets

• Large images (>100KB warning, >500KB critical)
• Large fonts (>200KB)
• Missing WebP alternatives for large images
• Missing resolution variants (@2x, @3x)
• Total assets size

Code

• Console statements left in code
• Inline functions in render (performance impact)
• Inline styles (should use StyleSheet)
• useEffect without dependencies
• Large files (>300 lines)
• Hardcoded URLs
• Missing React.memo on large components
• Heavy operations in render (multiple map calls)

Options

| Option | Description | |--------|-------------| | -p, --path <path> | Path to scan (default: current directory) | | --ai | Enable AI-powered suggestions | | --api-key <key> | OpenAI API key for AI suggestions | | -v, --verbose | Show detailed output | | --json | Output results as JSON |

License

MIT