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Serhii Manko

PROFILE

Serhii Manko

In May 2025, Sergey Mankoff enhanced the openrewrite/rewrite and openrewrite/rewrite-static-analysis repositories by developing features that improved code consistency and configuration flexibility. He implemented custom import order styles for Checkstyle, integrating configuration loading and parsing logic in Java to standardize import declarations. Sergey extended the XmlParser to support .props files, broadening XML parsing capabilities for .NET configurations. He also addressed version management by refining Semver.max to handle non-numeric components using lexicographic comparison. His work demonstrated depth in Java development, static analysis, and test-driven validation, resulting in more maintainable codebases and reduced risk in automated refactoring workflows.

Overall Statistics

Feature vs Bugs

75%Features

Repository Contributions

4Total
Bugs
1
Commits
4
Features
3
Lines of code
1,146
Activity Months1

Work History

May 2025

4 Commits • 3 Features

May 1, 2025

May 2025 performance snapshot: Delivered targeted improvements in import order standardization, extended file parsing coverage, and robust version handling. Key features and enhancements include: - Custom Import Order Styles for Checkstyle integrated with rewrite: configuration loading, parsing and application of custom import order rules; added test validating loading of custom import order styles. - XmlParser extended to support .props extension, broadening support for .NET project configuration files. - Java Import Order Standardization recipe added to rewrite-static-analysis, introducing a visitor-based reordering workflow and integrating the recipe into the static analysis pipeline. Major bug fixes: Semver.max now correctly handles non-numeric major/minor components by falling back to lexicographic comparison, preventing incorrect version ordering. Overall impact: Improves code consistency and maintainability across repositories, supports broader configuration formats, and reduces automated refactor risks by strengthening static analysis. Technologies/skills demonstrated: Java AST/visitor patterns, parsing and configuration loading, test-driven validation, semantic versioning, static-analysis integration, repository knowledge.

Activity

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Quality Metrics

Correctness95.0%
Maintainability95.0%
Architecture95.0%
Performance85.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

JavaYAML

Technical Skills

Build Tools IntegrationCode FormattingCode Style ConfigurationJavaJava DevelopmentRefactoringSoftware DevelopmentStatic AnalysisTestingVersion ManagementXML Parsing

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

openrewrite/rewrite

May 2025 May 2025
1 Month active

Languages Used

Java

Technical Skills

Build Tools IntegrationCode Style ConfigurationJavaRefactoringSoftware DevelopmentTesting

openrewrite/rewrite-static-analysis

May 2025 May 2025
1 Month active

Languages Used

JavaYAML

Technical Skills

Code FormattingJava DevelopmentRefactoringStatic Analysis

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