Code Quality

Code quality ensures maintainable, reliable, and efficient software.

Static Analysis

Linters

# ESLint
npm install -D eslint

# Biome
npm install -D @biomejs/biome

Type Checking

// TypeScript for type safety
const greeting: string = "Hello"

Code Metrics

• Cyclomatic Complexity: Measure code complexity
• Code Coverage: Test coverage percentage
• Code Churn: Frequency of changes
• Technical Debt: Accumulated shortcuts

Quality Tools

• ESLint / Biome
• TypeScript
• Prettier
• SonarQube
• CodeClimate

Best Practices

• Write readable code
• Keep functions small
• Follow naming conventions
• Write tests
• Review code regularly