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Derk-Jan Hartman

PROFILE

Derk-jan Hartman

Worked on streamlining the SearchEngine API within the SemanticMediaWiki repository to ensure compatibility with MediaWiki 1.34. Focused on removing deprecated methods from both SearchEngine and ExtendedSearchEngine components, which reduced technical debt and simplified the API surface. Updated related unit tests and documentation to reflect these changes, maintaining feature parity while improving maintainability and test coverage. Utilized PHP and object-oriented programming principles throughout the process, emphasizing back end development best practices. This targeted API cleanup minimized upgrade risks and stabilized search functionality, supporting a smoother transition to newer MediaWiki versions and enhancing the long-term reliability of the codebase.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

3Total
Bugs
0
Commits
3
Features
1
Lines of code
119
Activity Months1

Work History

March 2026

3 Commits • 1 Features

Mar 1, 2026

March 2026: Delivered targeted API cleanup in SemanticMediaWiki's SearchEngine to align with MediaWiki 1.34. Removed deprecated methods across SearchEngine and ExtendedSearchEngine and updated related tests. Key commits fc65771084f7339116430234a456b496276eed7c, cb66c6c2e185dd7eb4d6cf604f24fa1f01fc2d53, and cfc1d5d8649a57747306752145360c9df07bffc8. This work reduces technical debt, minimizes upgrade risk, and stabilizes search functionality for MW 1.34.

Activity

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Quality Metrics

Correctness100.0%
Maintainability93.4%
Architecture93.4%
Performance100.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

PHP

Technical Skills

PHPback end developmentobject-oriented programmingunit testing

Repositories Contributed To

1 repo

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

SemanticMediaWiki/SemanticMediaWiki

Mar 2026 Mar 2026
1 Month active

Languages Used

PHP

Technical Skills

PHPback end developmentobject-oriented programmingunit testing