Example Reports

See how CodeSpy analyzes popular open-source repositories

React

220k

The popular JavaScript library for building user interfaces

JavaScript

Key Insights:

  • Component-based architecture with hooks pattern
  • High test coverage with Jest and React Testing Library
  • Potential performance optimizations in reconciliation logic

Vue.js

206k

The Progressive JavaScript Framework

TypeScript

Key Insights:

  • Clean separation of concerns with composition API
  • Excellent TypeScript integration
  • Well-documented codebase with clear contribution guidelines

Express.js

64k

Fast, unopinionated, minimalist web framework for Node.js

JavaScript

Key Insights:

  • Middleware-based architecture for extensibility
  • Minimal core with plugin ecosystem
  • Some legacy code patterns that could be modernized

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