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Technical Specifications

Technology Stack

  • Core Language: TypeScript
  • Database: Neo4j
  • Graph Query Language: Cypher
  • UI Framework: To be determined based on visualization needs

Core Components

Code Scanner & Parser

  • Use TypeScript Compiler API for AST generation
  • Support for multiple file types (ts, js, tsx, jsx)
  • Incremental parsing capabilities
  • File system watchers for real-time updates

Knowledge Graph Engine

  • Neo4j as the primary graph database
  • Custom graph schema for code representation
  • Optimized Cypher queries for common operations
  • APOC library integration for advanced graph operations

Explorer Interface

  • RESTful API design
  • Graph visualization capabilities
  • Interactive query builder
  • Real-time updates

Code Standards

TypeScript Guidelines

  • Strict type checking enabled
  • No use of 'any' type unless absolutely necessary
  • Interface-first approach for type definitions
  • Comprehensive error handling

File Structure

src/
  ├── explorer/     # UI and API components
  ├── neo4j/        # Database and graph operations
  └── index.ts      # Application entry point

Naming Conventions

  • PascalCase for classes and interfaces
  • camelCase for methods and variables
  • UPPER_CASE for constants
  • Use descriptive names that reflect purpose

Error Handling

  • Custom error classes for different domains
  • Consistent error reporting format
  • Proper error propagation
  • Logging of all critical errors

Testing Requirements

  • Jest as the testing framework
  • Unit tests for core functionality
  • Integration tests for Neo4j operations
  • API endpoint testing
  • Minimum 80% code coverage

Performance Considerations

  • Batch operations for large graph updates
  • Query optimization for common operations
  • Caching strategies for frequently accessed data
  • Pagination for large result sets

Security Guidelines

  • Input validation for all API endpoints
  • Neo4j access control
  • Rate limiting for API requests
  • Secure configuration management

Documentation

  • JSDoc for all public APIs
  • README files for each major component
  • API documentation using OpenAPI/Swagger
  • Architecture decision records (ADRs)

Development Workflow

  • Feature branches
  • Pull request reviews
  • Automated testing in CI/CD
  • Version control using Git