dso-toolkit/dso-toolkit
Nov 2024 – Oct 2025
12 Months active
Languages Used
CSSHTMLJavaScriptMarkdownSCSSTypeScriptYAMLSVG
Technical Skills
AngularBuild ToolsCSSCSS LintingComponent DevelopmentComponent Library Development
Chris van der Leij
PROFILE
Chris Van Der Leij
Over the past year, Chris van der Leij engineered robust UI components and accessibility enhancements for the dso-toolkit/dso-toolkit repository, focusing on maintainable front-end architecture and release stability. He delivered features such as modal dialogs, icon systems, and document headers, while refining component APIs and styling using TypeScript, SCSS, and StencilJS. Chris modernized build tooling, improved Storybook documentation, and introduced automated testing with Cypress to ensure cross-browser reliability. His work addressed accessibility, responsive design, and developer experience, resulting in a more consistent, future-proof design system. The depth of his contributions reflects a strong command of component-driven development and release management.
Overall Statistics
Feature vs Bugs
73%Features
Repository Contributions
93Total
Bugs
17
Commits
93
Features
47
Lines of code
32,560
Activity Months12
Your Network
9 peopleSame Organization
@ilionx.com3
Work History
October 2025
8 Commits • 4 Features
Oct 1, 2025Concise monthly summary for 2025-10: Highlights include delivery of new UI components, UI polish for layout consistency, impact-focused release management, and a cross-browser compatibility fix. The month emphasized business value through improved usability, accessibility, and alignment with standards across the DSO Toolkit UI.
8 Commits • 4 Features
Oct 1, 2025Concise monthly summary for 2025-10: Highlights include delivery of new UI components, UI polish for layout consistency, impact-focused release management, and a cross-browser compatibility fix. The month emphasized business value through improved usability, accessibility, and alignment with standards across the DSO Toolkit UI.
October 2025
September 2025
3 Commits • 2 Features
Sep 1, 2025September 2025 monthly summary for dso-toolkit/dso-toolkit: Focused on delivering feature parity with new document header variants, hardening content rendering, and improving UI polish to reinforce design-system consistency. Achievements enable clearer documentation variants, prevent misleading UI from empty source citations, and improve filter visuals for better usability and consistency with tokens.
September 2025
3 Commits • 2 Features
Sep 1, 2025September 2025 monthly summary for dso-toolkit/dso-toolkit: Focused on delivering feature parity with new document header variants, hardening content rendering, and improving UI polish to reinforce design-system consistency. Achievements enable clearer documentation variants, prevent misleading UI from empty source citations, and improve filter visuals for better usability and consistency with tokens.
August 2025
2 Commits • 2 Features
Aug 1, 2025Month: 2025-08 Key features delivered: - Added List component: Ordered-action variant with step-counter styling, enabling numbered items with titles and descriptions. Updated component models, SCSS, and Storybook to support the feature, improving content presentation and user guidance. - Release 78.1.0 and dependency updates: Released 78.1.0 with changelog updates and refreshed dependencies for dso-toolkit and @dso-toolkit/core, ensuring users have the latest improvements and more stable builds. Major bugs fixed: - No explicit bug fixes reported for this month. Focus was on feature delivery and release maintenance. Overall impact and accomplishments: - Improved content structuring and guidance through the new ordered-action list variant, enabling clearer step-by-step instructions in documentation and UIs. - Maintained and improved release hygiene by updating dependencies and keeping release history accurate, reducing potential compatibility issues for downstream consumers. - Strengthened documentation and storytelling around component capabilities via Storybook updates. Technologies/skills demonstrated: - Frontend component design: variant-driven list component with step-counter styling; - CSS/SCSS: styling updates to support new variant; - Documentation and story tooling: Storybook integration for new variant; - Release engineering: versioning, changelog maintenance, and dependency management.
2 Commits • 2 Features
Aug 1, 2025Month: 2025-08 Key features delivered: - Added List component: Ordered-action variant with step-counter styling, enabling numbered items with titles and descriptions. Updated component models, SCSS, and Storybook to support the feature, improving content presentation and user guidance. - Release 78.1.0 and dependency updates: Released 78.1.0 with changelog updates and refreshed dependencies for dso-toolkit and @dso-toolkit/core, ensuring users have the latest improvements and more stable builds. Major bugs fixed: - No explicit bug fixes reported for this month. Focus was on feature delivery and release maintenance. Overall impact and accomplishments: - Improved content structuring and guidance through the new ordered-action list variant, enabling clearer step-by-step instructions in documentation and UIs. - Maintained and improved release hygiene by updating dependencies and keeping release history accurate, reducing potential compatibility issues for downstream consumers. - Strengthened documentation and storytelling around component capabilities via Storybook updates. Technologies/skills demonstrated: - Frontend component design: variant-driven list component with step-counter styling; - CSS/SCSS: styling updates to support new variant; - Documentation and story tooling: Storybook integration for new variant; - Release engineering: versioning, changelog maintenance, and dependency management.
August 2025
July 2025
8 Commits • 5 Features
Jul 1, 2025July 2025 monthly summary for dso-toolkit/dso-toolkit focused on delivering reliable releases, UI/UX polish, and CI performance improvements. Key outcomes include stable version releases, an expanded icon set, and targeted codebase simplifications that reduce maintenance burden while preserving feature parity. Key features delivered: - Software Version Releases: 75.0.0 and 76.0.0 with updated changelogs, dependency bumps, yarn.lock updates, and test adjustments (e.g., viewer grid test skip). - Hammer Icon Added: New Hammer icon registered in core, enabling widespread usage across the application. - CI optimization: Cypress snapshot cache keys now derived from merge-base with the master branch, improving cache invalidation and baseline accuracy. - List Button hover state improvement: Enhanced hover visuals with a more distinct border color; changelog updated. - Legend Item enhancements: Added an 'activatable' property, renamed the 'body' slot to 'options', with updated docs and tests. Major bugs fixed: - Filter variant label border color: Fixed border using a SCSS mixin to ensure visual consistency (border-inline-start). - Pagination cleanup: Removed unused HTML/CSS implementation to simplify the codebase while preserving core/Angular/React implementations. Overall impact and accomplishments: - Improved release quality and traceability through clear changelogs and dependency updates. - Increased developer velocity and UI consistency via targeted UI improvements and component refinements. - Reduced technical debt by removing unnecessary HTML/CSS pagination, focusing on framework-backed implementations. - Improved CI reliability and baseline accuracy with Cypress cache key improvements, leading to faster and more reliable test runs. Technologies/skills demonstrated: - Release engineering: versioning, changelog maintenance, dependency bumps, yarn.lock synchronization. - UI/UX: hover state refinements, legend item enhancements, and icon system expansion. - CI/CD: Cypress snapshot caching strategy and merge-base baselining. - Documentation/testing: updated docs and test suites to reflect structural changes.
July 2025
8 Commits • 5 Features
Jul 1, 2025July 2025 monthly summary for dso-toolkit/dso-toolkit focused on delivering reliable releases, UI/UX polish, and CI performance improvements. Key outcomes include stable version releases, an expanded icon set, and targeted codebase simplifications that reduce maintenance burden while preserving feature parity. Key features delivered: - Software Version Releases: 75.0.0 and 76.0.0 with updated changelogs, dependency bumps, yarn.lock updates, and test adjustments (e.g., viewer grid test skip). - Hammer Icon Added: New Hammer icon registered in core, enabling widespread usage across the application. - CI optimization: Cypress snapshot cache keys now derived from merge-base with the master branch, improving cache invalidation and baseline accuracy. - List Button hover state improvement: Enhanced hover visuals with a more distinct border color; changelog updated. - Legend Item enhancements: Added an 'activatable' property, renamed the 'body' slot to 'options', with updated docs and tests. Major bugs fixed: - Filter variant label border color: Fixed border using a SCSS mixin to ensure visual consistency (border-inline-start). - Pagination cleanup: Removed unused HTML/CSS implementation to simplify the codebase while preserving core/Angular/React implementations. Overall impact and accomplishments: - Improved release quality and traceability through clear changelogs and dependency updates. - Increased developer velocity and UI consistency via targeted UI improvements and component refinements. - Reduced technical debt by removing unnecessary HTML/CSS pagination, focusing on framework-backed implementations. - Improved CI reliability and baseline accuracy with Cypress cache key improvements, leading to faster and more reliable test runs. Technologies/skills demonstrated: - Release engineering: versioning, changelog maintenance, dependency bumps, yarn.lock synchronization. - UI/UX: hover state refinements, legend item enhancements, and icon system expansion. - CI/CD: Cypress snapshot caching strategy and merge-base baselining. - Documentation/testing: updated docs and test suites to reflect structural changes.
June 2025
6 Commits • 4 Features
Jun 1, 2025June 2025 Summary for dso-toolkit/dso-toolkit: Delivered key UX and consistency improvements across core components, fixed a color bug affecting core variant icons, and enhanced developer experience with animations and Storybook examples. Highlights include: - Modal closable behavior added with a new 'closable' property; default non-closable; supports closing via outside click or Escape when closable is true. (Commit: 6bd56ef1a114dd8e732e33937dd35bc82216b1c1) - UI variant cleanup for Badge and Label: removed the 'danger' variant; updated status mappings (use 'error'); added/adjusted variants (Badge: remove 'danger'; Label: introduce 'filter'); commits: 3d63eff45637ee5f760787a27838deadaf1dc97b, 6a279fe970038f0352d1eb517395338797662253. - Legend Item Active State: refactor to use an 'active' property and a dsoActiveChange event; integrated dso-slide-toggle for state management; always show a slide toggle for active state. (Commit: c9e7549acf9906e4cbb4064779e838769ed76b12) - Animated Form Groups and Storybook Demo: added animations to form groups and expandables; added a Storybook story to demonstrate animated forms. (Commit: cf1c4a667841824c3544976d56271790f52471b5) - Alert Icon Color Fix in Core Variant: fixed icon color by updating SCSS variables/mixins to ensure correct colors based on status and compact state. (Commit: b07e71f890857173735c9c04698750697a2eeb96) Overall, these changes improve usability, visual consistency, accessibility, and developer experience, while reducing maintenance cost across the toolkit.
6 Commits • 4 Features
Jun 1, 2025June 2025 Summary for dso-toolkit/dso-toolkit: Delivered key UX and consistency improvements across core components, fixed a color bug affecting core variant icons, and enhanced developer experience with animations and Storybook examples. Highlights include: - Modal closable behavior added with a new 'closable' property; default non-closable; supports closing via outside click or Escape when closable is true. (Commit: 6bd56ef1a114dd8e732e33937dd35bc82216b1c1) - UI variant cleanup for Badge and Label: removed the 'danger' variant; updated status mappings (use 'error'); added/adjusted variants (Badge: remove 'danger'; Label: introduce 'filter'); commits: 3d63eff45637ee5f760787a27838deadaf1dc97b, 6a279fe970038f0352d1eb517395338797662253. - Legend Item Active State: refactor to use an 'active' property and a dsoActiveChange event; integrated dso-slide-toggle for state management; always show a slide toggle for active state. (Commit: c9e7549acf9906e4cbb4064779e838769ed76b12) - Animated Form Groups and Storybook Demo: added animations to form groups and expandables; added a Storybook story to demonstrate animated forms. (Commit: cf1c4a667841824c3544976d56271790f52471b5) - Alert Icon Color Fix in Core Variant: fixed icon color by updating SCSS variables/mixins to ensure correct colors based on status and compact state. (Commit: b07e71f890857173735c9c04698750697a2eeb96) Overall, these changes improve usability, visual consistency, accessibility, and developer experience, while reducing maintenance cost across the toolkit.
June 2025
May 2025
17 Commits • 6 Features
May 1, 2025Month: May 2025 was focused on delivering structured release engineering for the DSO Toolkit, improving grid UI and accessibility, and tightening internal tooling and documentation. The work delivered combines stable version releases with dependency alignment, UI/UX enhancements, accessibility improvements, bug fixes, and process improvements that collectively enhance product stability, developer productivity, and business value.
May 2025
17 Commits • 6 Features
May 1, 2025Month: May 2025 was focused on delivering structured release engineering for the DSO Toolkit, improving grid UI and accessibility, and tightening internal tooling and documentation. The work delivered combines stable version releases with dependency alignment, UI/UX enhancements, accessibility improvements, bug fixes, and process improvements that collectively enhance product stability, developer productivity, and business value.
April 2025
9 Commits • 4 Features
Apr 1, 2025April 2025 monthly summary for dso-toolkit/dso-toolkit: Delivered Release 70.0.0 with dependency refresh, CHANGELOG updates, and React peerDependencies upgrade; implemented accessibility improvements; polished UI components; fixed critical UX issues; stabilized tests; and documented TypeScript upgrade guidance to reduce IDE errors during upgrades. These efforts drive compatibility with modern libraries, enhanced accessibility and UX, and smoother upgrade paths for developers.
9 Commits • 4 Features
Apr 1, 2025April 2025 monthly summary for dso-toolkit/dso-toolkit: Delivered Release 70.0.0 with dependency refresh, CHANGELOG updates, and React peerDependencies upgrade; implemented accessibility improvements; polished UI components; fixed critical UX issues; stabilized tests; and documented TypeScript upgrade guidance to reduce IDE errors during upgrades. These efforts drive compatibility with modern libraries, enhanced accessibility and UX, and smoother upgrade paths for developers.
April 2025
March 2025
9 Commits • 4 Features
Mar 1, 2025Concise monthly summary for 2025-03 focusing on key delivered features, major fixes, impact, and technical skills demonstrated for the dso-toolkit repository.
March 2025
9 Commits • 4 Features
Mar 1, 2025Concise monthly summary for 2025-03 focusing on key delivered features, major fixes, impact, and technical skills demonstrated for the dso-toolkit repository.
February 2025
11 Commits • 4 Features
Feb 1, 2025February 2025 — Focused on delivering stable feature releases, UI consistency, accessibility improvements, and clear product documentation. Key outcomes include multiple 68.x releases (68.1.0 introducing the Contactinformatie component with follow-up 68.3.0 and 68.5.0 updates with dependencies and changelogs), Accordion component enhancements for cross-implementation consistency, introduction of the Kop component with spacing controls, Ozon Content copy accessibility enhancements, a Storybook Angular modal usability fix, alignment refinements for Slide Toggle with Annotation, and the deprecation of the HTML/CSS pagination component with updated changelog and Storybook titles. These changes improve developer experience, end-user accessibility, and future-proof the toolkit while reducing maintenance.
11 Commits • 4 Features
Feb 1, 2025February 2025 — Focused on delivering stable feature releases, UI consistency, accessibility improvements, and clear product documentation. Key outcomes include multiple 68.x releases (68.1.0 introducing the Contactinformatie component with follow-up 68.3.0 and 68.5.0 updates with dependencies and changelogs), Accordion component enhancements for cross-implementation consistency, introduction of the Kop component with spacing controls, Ozon Content copy accessibility enhancements, a Storybook Angular modal usability fix, alignment refinements for Slide Toggle with Annotation, and the deprecation of the HTML/CSS pagination component with updated changelog and Storybook titles. These changes improve developer experience, end-user accessibility, and future-proof the toolkit while reducing maintenance.
February 2025
January 2025
8 Commits • 4 Features
Jan 1, 2025In January 2025, delivered core UI/UX improvements, new component capabilities, and robust release maintenance for dso-toolkit, focusing on icon reliability, accessibility, and developer experience. The work enhances visual consistency, component quality, and deployment readiness, enabling faster, safer product updates for customers and teams.
January 2025
8 Commits • 4 Features
Jan 1, 2025In January 2025, delivered core UI/UX improvements, new component capabilities, and robust release maintenance for dso-toolkit, focusing on icon reliability, accessibility, and developer experience. The work enhances visual consistency, component quality, and deployment readiness, enabling faster, safer product updates for customers and teams.
December 2024
4 Commits • 3 Features
Dec 1, 2024December 2024 performance summary for the dso-toolkit/dso-toolkit repository. Overview: - Delivered key features, resolved UI reliability issues, and expanded end-to-end test coverage to improve maintainability, accessibility, and overall product quality. Focused on modernizing Storybook usage, enriching Accordion capabilities, and validating responsive behavior. Key features delivered: - Search Bar Storybook migration to CSF: Migrated stories from the legacy storiesOf() API to Component Story Format (CSF) to improve organization, maintenance, and alignment with Storybook features (commit e0c1078df1821ba5e3507608cb4faebdc49ad8ff). - Accordion: Add support for Renvooi/Wijzigactie: Extended Accordion to support Renvooi (explanation) and Wijzigactie (change action) with handleTitle accommodating RenvooiValue objects and a Wijzigactie flag signaling added/removed sections (commit 104666c06af0f9cc462c46d5d3473f3fb751e215). - End-to-end tests for responsive-element: Added E2E tests to verify accessibility and behavior across small, medium, and large viewports, including visual regression snapshots (commit b78e9ac771337809b4bf48867c4c4624b15ed6f6). Major bugs fixed: - Accordion: Fix close/transition issue: Adjusted CSS for visibility and transition of the slot container; updated the changelog to reflect stabilization work (commit c9eba064c5ac2e82f226dc36759f89c30dc274ed). Overall impact and accomplishments: - Improved UI reliability and maintainability through CSF migration and CSS stabilization, reducing onboarding time for new contributors and lowering defect risk in UI behavior. - Expanded component capability with Renvooi/Wijzigactie support, enabling richer content flows and more accurate representation of business processes. - Strengthened quality assurance with cross-viewport accessibility checks and visual regression testing, increasing confidence in UI consistency and performance. Technologies/skills demonstrated: - Storybook CSF migration, React component design, and CSS transitions. - End-to-end testing and accessibility verification across breakpoints, plus visual regression testing and changelog documentation.
4 Commits • 3 Features
Dec 1, 2024December 2024 performance summary for the dso-toolkit/dso-toolkit repository. Overview: - Delivered key features, resolved UI reliability issues, and expanded end-to-end test coverage to improve maintainability, accessibility, and overall product quality. Focused on modernizing Storybook usage, enriching Accordion capabilities, and validating responsive behavior. Key features delivered: - Search Bar Storybook migration to CSF: Migrated stories from the legacy storiesOf() API to Component Story Format (CSF) to improve organization, maintenance, and alignment with Storybook features (commit e0c1078df1821ba5e3507608cb4faebdc49ad8ff). - Accordion: Add support for Renvooi/Wijzigactie: Extended Accordion to support Renvooi (explanation) and Wijzigactie (change action) with handleTitle accommodating RenvooiValue objects and a Wijzigactie flag signaling added/removed sections (commit 104666c06af0f9cc462c46d5d3473f3fb751e215). - End-to-end tests for responsive-element: Added E2E tests to verify accessibility and behavior across small, medium, and large viewports, including visual regression snapshots (commit b78e9ac771337809b4bf48867c4c4624b15ed6f6). Major bugs fixed: - Accordion: Fix close/transition issue: Adjusted CSS for visibility and transition of the slot container; updated the changelog to reflect stabilization work (commit c9eba064c5ac2e82f226dc36759f89c30dc274ed). Overall impact and accomplishments: - Improved UI reliability and maintainability through CSF migration and CSS stabilization, reducing onboarding time for new contributors and lowering defect risk in UI behavior. - Expanded component capability with Renvooi/Wijzigactie support, enabling richer content flows and more accurate representation of business processes. - Strengthened quality assurance with cross-viewport accessibility checks and visual regression testing, increasing confidence in UI consistency and performance. Technologies/skills demonstrated: - Storybook CSF migration, React component design, and CSS transitions. - End-to-end testing and accessibility verification across breakpoints, plus visual regression testing and changelog documentation.
December 2024
November 2024
8 Commits • 5 Features
Nov 1, 2024November 2024 (2024-11) summary for dso-toolkit/dso-toolkit: Delivered a set of UX, accessibility, and tooling improvements across UI components, with a focus on documenting components, enhancing accessibility, and modernizing the build tooling. Key features delivered include annotation component documentation improvements, Plekinfo Card enhancements, Document Card status badges, modal ARIA improvements, and tooling/infrastructure upgrades. Major bug fix addressed pagination UI edge cases and added input validation to prevent invalid totals. Overall, these changes improve website documentation discoverability, UI reliability for end users, and developer experience through better tooling and maintainability.
November 2024
8 Commits • 5 Features
Nov 1, 2024November 2024 (2024-11) summary for dso-toolkit/dso-toolkit: Delivered a set of UX, accessibility, and tooling improvements across UI components, with a focus on documenting components, enhancing accessibility, and modernizing the build tooling. Key features delivered include annotation component documentation improvements, Plekinfo Card enhancements, Document Card status badges, modal ARIA improvements, and tooling/infrastructure upgrades. Major bug fix addressed pagination UI edge cases and added input validation to prevent invalid totals. Overall, these changes improve website documentation discoverability, UI reliability for end users, and developer experience through better tooling and maintainability.
Activity
Loading activity data...
Quality Metrics
Correctness91.4%
Maintainability91.4%
Architecture88.0%
Performance87.0%
AI Usage20.8%
Skills & Technologies
Programming Languages
CSSHTMLJavaScriptMarkdownSCSSSVGTypeScriptYAML
Technical Skills
AccessibilityAccessibility testingAngularBuild AutomationBuild ToolsCI/CDCLI DevelopmentCSSCSS LintingChangelog ManagementCode FormattingCode ParsingCode RefactoringComponent DeprecationComponent Development
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline