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Jeroen

PROFILE

Jeroen

Worked on the mendix/web-widgets repository to enhance the Leaflet map widget’s stability and maintainability. Focused on improving dynamic marker rendering by implementing unique marker keys, which addressed reconciliation issues and reduced UI warnings. Improved code quality by resolving linting issues and refining event handling for safer, more predictable behavior. Updated and aligned Jest test snapshots to ensure test reliability and rendering consistency, supporting faster and higher-quality releases. Utilized JavaScript, TypeScript, and React to deliver these changes, emphasizing robust front-end development practices. The work contributed to a more reliable user experience and streamlined the development process for future enhancements.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

4Total
Bugs
0
Commits
4
Features
1
Lines of code
521
Activity Months1

Work History

July 2025

4 Commits • 1 Features

Jul 1, 2025

July 2025: Delivered stability and reliability improvements for the Mendix web widgets Leaflet map widget, focusing on dynamic marker rendering, safer event handling, and test reliability. These changes reduce UI warnings, improve rendering consistency, and strengthen maintainability, enabling faster, higher-quality releases.

Activity

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Quality Metrics

Correctness92.6%
Maintainability90.0%
Architecture85.0%
Performance95.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

JavaScriptTypeScript

Technical Skills

Front-end DevelopmentFrontend DevelopmentJavaScriptJestReactTestingTypeScript

Repositories Contributed To

1 repo

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

mendix/web-widgets

Jul 2025 Jul 2025
1 Month active

Languages Used

JavaScriptTypeScript

Technical Skills

Front-end DevelopmentFrontend DevelopmentJavaScriptJestReactTesting