Bits of .NET

🔍 Roslyn Analyzers = Code Quality

Code quality matters. Roslyn Analyzers catch issues early. Style, bugs, performance — all in IDE.

📝 Popular Analyzers

# Microsoft.CodeAnalysis.Analyzers
- Code quality checks
- API usage warnings
- Performance suggestions

# StyleCop.Analyzers
- Code style rules
- Naming conventions
- Formatting rules

# SonarAnalyzer
- Bug detection
- Code smells
- Security vulnerabilities

# Roslynator
- Refactoring suggestions
- Code fixes
- Modernization

# Install via NuGet
dotnet add package Microsoft.CodeAnalysis.Analyzers
dotnet add package StyleCop.Analyzers
dotnet add package SonarAnalyzer.CSharp

🎯 Using Analyzers

// .editorconfig for analyzers
# Style rules
dotnet_style_readonly_field = true:warning
dotnet_style_prefer_auto_properties = true:warning

# Naming rules
dotnet_naming_rule.private_field_rule.severity = warning

# C# rules
csharp_style_expression_bodied_methods = true:warning
csharp_style_expression_bodied_properties = true:warning

// Suppress warnings
[SuppressMessage("Category", "RuleId", Justification = "Reason")]
public void MyMethod() { }

// Global suppression
// GlobalSuppressions.cs
[assembly: SuppressMessage("Category", "RuleId", Scope = "namespace")]

// View analyzer errors
- Error List window
- Filter by analyzer
- Fix with Quick Actions

✅ Analyzer Benefits

• Catch bugs early in IDE
• Enforce coding standards
• Improve code maintainability
• Security vulnerability detection
• Performance optimization