lmc-eu/spirit-design-system
Oct 2024 – Oct 2025
13 Months active
Languages Used
MarkdownTypeScriptHTMLJavaScriptSCSSTwigHandlebarsSVG
Technical Skills
Design TokensDocumentationFront-end DevelopmentTypeScriptCSSCSS Variables
Jan Kryšpín
PROFILE
Jan Kryšpín
Chris Peen developed and maintained the Spirit Design System (lmc-eu/spirit-design-system) over 13 months, delivering 44 features and resolving 9 bugs. He engineered accessible, theme-driven UI components and utilities using React, TypeScript, and SCSS, focusing on scalable design tokens, responsive layouts, and robust documentation. His work included cross-framework integration, accessibility enhancements, and automated testing with Playwright and Docker, ensuring consistent user experiences and streamlined developer onboarding. Chris refactored core utilities, improved CI/CD workflows, and introduced new features like multi-mode truncation and skip links, demonstrating depth in component architecture, code quality, and maintainability across a complex, evolving codebase.
Overall Statistics
Feature vs Bugs
83%Features
Repository Contributions
85Total
Bugs
9
Commits
85
Features
44
Lines of code
31,840
Activity Months13
Work History
October 2025
4 Commits • 3 Features
Oct 1, 2025October 2025 performance snapshot for lmc-eu/spirit-design-system. Delivered key UI and code-quality improvements that enhance user experience, maintainability, and developer velocity. Focused contributions include: (1) UNSTABLE_Truncate Multi-Mode Truncation: added support for multiple truncation modes (lines, words, characters), deprecated the lines prop in favor of mode+limit, and updated docs, component logic, and tests; commits: 6eaf018b6da99e37491e7670d106ec8f26ec0f0e (Feat(web-react): Update UNSTABLE_Truncate component to support multiple truncation modes #DS-1761). (2) Code quality and consistency: ESLint rules for consistent type imports and sorted imports with an auto-fix pass across the codebase to improve readability and structure; commit: 76c022218a6900c050df911eb97b17e4b2bd5177 (Chore(web-react): Add ESLint rules to sort imports and add type, auto-fix all files). (3) PricingPlan responsiveness: adjusted the minimum width from 328px to 288px to optimize layout across breakpoints; commit: 07ac34b5449c55fc8816778ecd067ef5234e0c5f (Feat(web): Change min-width of PricingPlan #DS-2197). (4) IconBox color utility: fixed fallback prefix logic to correctly select emotion vs accent color palette based on base color; commit: 1236b495d8f2dd8d8ba759f70c36cad4dff7b2d1 (Fix(web-react): Change IconBox fallback prefix #DS-2195).
4 Commits • 3 Features
Oct 1, 2025October 2025 performance snapshot for lmc-eu/spirit-design-system. Delivered key UI and code-quality improvements that enhance user experience, maintainability, and developer velocity. Focused contributions include: (1) UNSTABLE_Truncate Multi-Mode Truncation: added support for multiple truncation modes (lines, words, characters), deprecated the lines prop in favor of mode+limit, and updated docs, component logic, and tests; commits: 6eaf018b6da99e37491e7670d106ec8f26ec0f0e (Feat(web-react): Update UNSTABLE_Truncate component to support multiple truncation modes #DS-1761). (2) Code quality and consistency: ESLint rules for consistent type imports and sorted imports with an auto-fix pass across the codebase to improve readability and structure; commit: 76c022218a6900c050df911eb97b17e4b2bd5177 (Chore(web-react): Add ESLint rules to sort imports and add type, auto-fix all files). (3) PricingPlan responsiveness: adjusted the minimum width from 328px to 288px to optimize layout across breakpoints; commit: 07ac34b5449c55fc8816778ecd067ef5234e0c5f (Feat(web): Change min-width of PricingPlan #DS-2197). (4) IconBox color utility: fixed fallback prefix logic to correctly select emotion vs accent color palette based on base color; commit: 1236b495d8f2dd8d8ba759f70c36cad4dff7b2d1 (Fix(web-react): Change IconBox fallback prefix #DS-2195).
October 2025
September 2025
1 Commits • 1 Features
Sep 1, 2025September 2025 performance summary: Delivered the Accessible SkipLink Component for the Spirit Design System (lmc-eu/spirit-design-system). This reusable React component adds skip-to-content navigation to improve accessibility, including core logic, styling hooks, and a comprehensive unit test suite. The feature aligns with WCAG principles, improves keyboard navigation, and provides a solid building block for future accessibility enhancements across apps built on the design system.
September 2025
1 Commits • 1 Features
Sep 1, 2025September 2025 performance summary: Delivered the Accessible SkipLink Component for the Spirit Design System (lmc-eu/spirit-design-system). This reusable React component adds skip-to-content navigation to improve accessibility, including core logic, styling hooks, and a comprehensive unit test suite. The feature aligns with WCAG principles, improves keyboard navigation, and provides a solid building block for future accessibility enhancements across apps built on the design system.
August 2025
3 Commits • 3 Features
Aug 1, 2025In August 2025, the Spirit Design System update delivered three user-facing features with a coordinated UI improvement and a targeted bug fix, enhancing accessibility, visual consistency, and performance for downstream teams leveraging the design system. The changes are aligned with SEO, accessibility, and cross-breakpoint design goals, enabling faster and safer UI composition across applications.
3 Commits • 3 Features
Aug 1, 2025In August 2025, the Spirit Design System update delivered three user-facing features with a coordinated UI improvement and a targeted bug fix, enhancing accessibility, visual consistency, and performance for downstream teams leveraging the design system. The changes are aligned with SEO, accessibility, and cross-breakpoint design goals, enabling faster and safer UI composition across applications.
August 2025
July 2025
2 Commits • 1 Features
Jul 1, 2025July 2025 (2025-07) highlights: Strengthened the Spirit Design System with user-facing pricing UX and stability improvements. Delivered Pricing Plan Feature Modal, extending PricingPlanFeature with modalContent, adding a new demo component, and updating docs to improve discoverability and consistency for pricing-related features. Fixed a critical UX bug by ensuring modals and drawers close only after CSS transitions complete, and added configurable options for offcanvas components to control backdrop clicks and Escape key closing. These changes reduce user confusion, accelerate feature adoption, and improve stability across web and web-react implementations.
July 2025
2 Commits • 1 Features
Jul 1, 2025July 2025 (2025-07) highlights: Strengthened the Spirit Design System with user-facing pricing UX and stability improvements. Delivered Pricing Plan Feature Modal, extending PricingPlanFeature with modalContent, adding a new demo component, and updating docs to improve discoverability and consistency for pricing-related features. Fixed a critical UX bug by ensuring modals and drawers close only after CSS transitions complete, and added configurable options for offcanvas components to control backdrop clicks and Escape key closing. These changes reduce user confusion, accelerate feature adoption, and improve stability across web and web-react implementations.
June 2025
3 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for lmc-eu/spirit-design-system: Delivered a Unified Responsive Visibility System with breakpoint-based display utilities, refactored UI to use the new utilities, and introduced web-react props (hideOn, hideFrom) for breakpoint-based conditional rendering. Replaced deprecated UNSAFE_className usage in demos, and updated navigation to rely on the new utilities. No critical bugs reported; focused on improving consistency, maintainability, and developer ergonomics. This work reduces confusion across breakpoints and accelerates responsive UI development.
3 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for lmc-eu/spirit-design-system: Delivered a Unified Responsive Visibility System with breakpoint-based display utilities, refactored UI to use the new utilities, and introduced web-react props (hideOn, hideFrom) for breakpoint-based conditional rendering. Replaced deprecated UNSAFE_className usage in demos, and updated navigation to rely on the new utilities. No critical bugs reported; focused on improving consistency, maintainability, and developer ergonomics. This work reduces confusion across breakpoints and accelerates responsive UI development.
June 2025
May 2025
2 Commits • 1 Features
May 1, 2025May 2025: Focused on expanding the design system's color theming capabilities and strengthening robustness of utility generation. Delivered emotion-based color utilities in the Web package via emotion-color tokens and integrated into background, border, and text color utilities; introduced a merge-multiple Sass function to support merging color maps. Fixed a critical robustness issue in utility generation to handle empty value lists and added tests to prevent regressions. These changes improve consistency of UI theming across products, reduce build failures, and improve developer experience through better tooling and test coverage.
May 2025
2 Commits • 1 Features
May 1, 2025May 2025: Focused on expanding the design system's color theming capabilities and strengthening robustness of utility generation. Delivered emotion-based color utilities in the Web package via emotion-color tokens and integrated into background, border, and text color utilities; introduced a merge-multiple Sass function to support merging color maps. Fixed a critical robustness issue in utility generation to handle empty value lists and added tests to prevent regressions. These changes improve consistency of UI theming across products, reduce build failures, and improve developer experience through better tooling and test coverage.
April 2025
7 Commits • 5 Features
Apr 1, 2025April 2025 monthly summary for lmc-eu/spirit-design-system focused on accessibility-first improvements, ARIA/semantics, and branding alignment. Delivered features that enhance keyboard accessibility, improved assistive technology compatibility, and reinforced design token consistency across themes. Business value centers on broader user reach, reduced accessibility risk, and consistent UX across platforms.
7 Commits • 5 Features
Apr 1, 2025April 2025 monthly summary for lmc-eu/spirit-design-system focused on accessibility-first improvements, ARIA/semantics, and branding alignment. Delivered features that enhance keyboard accessibility, improved assistive technology compatibility, and reinforced design token consistency across themes. Business value centers on broader user reach, reduced accessibility risk, and consistent UX across platforms.
April 2025
March 2025
2 Commits • 1 Features
Mar 1, 2025March 2025 monthly recap for lmc-eu/spirit-design-system: Delivered key component customization and stabilized E2E tests. Implemented DrawerCloseButton color prop with updated defaults and docs to align with other button components, enhancing theming consistency and developer experience. Fixed Twig E2E test failures by removing an extra Container demo from Twig stories, improving test reliability across environments. The changes boost branding flexibility, reduce UI inconsistency risk, and streamline design-system pipelines. Technologies demonstrated include React component design, prop-driven theming, design-system documentation, and end-to-end testing troubleshooting.
March 2025
2 Commits • 1 Features
Mar 1, 2025March 2025 monthly recap for lmc-eu/spirit-design-system: Delivered key component customization and stabilized E2E tests. Implemented DrawerCloseButton color prop with updated defaults and docs to align with other button components, enhancing theming consistency and developer experience. Fixed Twig E2E test failures by removing an extra Container demo from Twig stories, improving test reliability across environments. The changes boost branding flexibility, reduce UI inconsistency risk, and streamline design-system pipelines. Technologies demonstrated include React component design, prop-driven theming, design-system documentation, and end-to-end testing troubleshooting.
February 2025
16 Commits • 10 Features
Feb 1, 2025February 2025 — lmc-eu/spirit-design-system: Strengthened design-token driven consistency, accessibility, and DX across web packages. Delivered key features: Skeleton visuals refinement with token updates; NavigationAvatar subcomponent and refined NavigationAction styling; header color token improvements for better contrast; Typography color customization via textColor prop on Text & Heading for both web-react and web-twig; Section component introduction across web packages with UNSTABLE_Section deprecated; Docs padding utilities enhancements and standardization; Icons demo layout refinements; CSS utilities modernization using logical properties; and Docker-based end-to-end testing improvements for Playwright. Major bug fix: Empty State tablet layout class corrected. Business impact: more consistent UI, accessible theming, faster cross-package development, and more reliable CI/CD.
16 Commits • 10 Features
Feb 1, 2025February 2025 — lmc-eu/spirit-design-system: Strengthened design-token driven consistency, accessibility, and DX across web packages. Delivered key features: Skeleton visuals refinement with token updates; NavigationAvatar subcomponent and refined NavigationAction styling; header color token improvements for better contrast; Typography color customization via textColor prop on Text & Heading for both web-react and web-twig; Section component introduction across web packages with UNSTABLE_Section deprecated; Docs padding utilities enhancements and standardization; Icons demo layout refinements; CSS utilities modernization using logical properties; and Docker-based end-to-end testing improvements for Playwright. Major bug fix: Empty State tablet layout class corrected. Business impact: more consistent UI, accessible theming, faster cross-package development, and more reliable CI/CD.
February 2025
January 2025
16 Commits • 6 Features
Jan 1, 2025January 2025 monthly summary for lmc-eu/spirit-design-system: Delivered core UI enhancements across web, web-react, and web-twig packages, improved accessibility, and strengthened CI/CD visibility. Focused on scalable navigation and dropdown experiences while ensuring consistent design tokens across themes.
January 2025
16 Commits • 6 Features
Jan 1, 2025January 2025 monthly summary for lmc-eu/spirit-design-system: Delivered core UI enhancements across web, web-react, and web-twig packages, improved accessibility, and strengthened CI/CD visibility. Focused on scalable navigation and dropdown experiences while ensuring consistent design tokens across themes.
December 2024
15 Commits • 7 Features
Dec 1, 2024Monthly summary for 2024-12 — Spirit Design System (lmc-eu/spirit-design-system) Key features delivered: - Flexible Container-based layouts and fluid width support across docs and component demos: introduced Fluid Container and isFluid prop; optional Container usage; demos wrapped in Container for consistent layouts; Container references moved into Section/DocsSection across web, web-react, and web-twig. (commits include 96e3baedaabab6e06976174fd4456ed8d4a1f8b5, bddb8420c365ad25c807f2ae4127371f7f65cb94, c3ad4b237a7cb37d3e73eb3e7cc5d85714409aeb, 5f4f321ccab2612d53a8b081f3b93ec1086c109f, 153db294918319d8e993da3c3097c2c950769759, 8f86d615c75393e0f2825aa436f3b2fa0e1e049c, 4c3e3a3adf03361f19d9e2dd7402d31baa33c5e4). - Branding and visual polish: refreshed favicon and cover imagery for branding clarity. (da38dbee90b8cfc3827e06f553af4da77fb27d70, 72e6fc0eb1541ff10e8990ffec8a47c8bcc26f43). - UNSTABLE Header scaffolding: groundwork for a future header replacement. (decfe027e463ed5aec0361e87891c3b00bdfed35). - New Navigation components: added Navigation and NavigationLink components with styling and usage examples. (ae300525a4e363d50db89896fc31c470d2cb6f46). - Consistency improvements: NavigationLink renamed to NavigationAction in web and web-react packages. (1b6d3637daf86ed66402b3edcc21c4ae983dd3a5, 732ca77e933dce4ff5a07ba5a470574e019ca481). - Quality and maintainability: fix missing exports in web-react components index; added SCSS helper class: button-unstyled. (039cee72492ed326b5043af8f8e42072cc84a6a1, 96b6304c358143ff32f737a5faea8465ced0ecef).
15 Commits • 7 Features
Dec 1, 2024Monthly summary for 2024-12 — Spirit Design System (lmc-eu/spirit-design-system) Key features delivered: - Flexible Container-based layouts and fluid width support across docs and component demos: introduced Fluid Container and isFluid prop; optional Container usage; demos wrapped in Container for consistent layouts; Container references moved into Section/DocsSection across web, web-react, and web-twig. (commits include 96e3baedaabab6e06976174fd4456ed8d4a1f8b5, bddb8420c365ad25c807f2ae4127371f7f65cb94, c3ad4b237a7cb37d3e73eb3e7cc5d85714409aeb, 5f4f321ccab2612d53a8b081f3b93ec1086c109f, 153db294918319d8e993da3c3097c2c950769759, 8f86d615c75393e0f2825aa436f3b2fa0e1e049c, 4c3e3a3adf03361f19d9e2dd7402d31baa33c5e4). - Branding and visual polish: refreshed favicon and cover imagery for branding clarity. (da38dbee90b8cfc3827e06f553af4da77fb27d70, 72e6fc0eb1541ff10e8990ffec8a47c8bcc26f43). - UNSTABLE Header scaffolding: groundwork for a future header replacement. (decfe027e463ed5aec0361e87891c3b00bdfed35). - New Navigation components: added Navigation and NavigationLink components with styling and usage examples. (ae300525a4e363d50db89896fc31c470d2cb6f46). - Consistency improvements: NavigationLink renamed to NavigationAction in web and web-react packages. (1b6d3637daf86ed66402b3edcc21c4ae983dd3a5, 732ca77e933dce4ff5a07ba5a470574e019ca481). - Quality and maintainability: fix missing exports in web-react components index; added SCSS helper class: button-unstyled. (039cee72492ed326b5043af8f8e42072cc84a6a1, 96b6304c358143ff32f737a5faea8465ced0ecef).
December 2024
November 2024
12 Commits • 3 Features
Nov 1, 20242024-11 Monthly Summary — Spirit Design System (lmc-eu/spirit-design-system). Delivered a set of value-driven UI and tokens improvements that enable more flexible theming, improve design-token governance, and streamline developer experience across web-react and web-twig. Key outcomes include: (1) New Plain Button variant and plain color variants implemented across Button and ButtonLink components in web-react and web-twig to enhance styling flexibility and accessibility, backed by commits 48d9db9f0675314f1651c29e31031e776eb07767, 3ea4030e59fe5acb1808d25fb7205132034469e7, and c08e8fa7bfd11c32ee65c96ebae0c2390b814bcd; (2) Token system improvements and exporter enhancements that modernize the CSS variable-based design tokens workflow, including switching to a CSS-variable-prefix approach, color variable mixins, and exporter refactor, supported by commits b67ef6770c1d3ab60677bd9ff7412de0e153dcb0, a4d33bd9eec3e2058e8fa9d2326e66972d9ac76b, d0c3e8e83ba259a53d1cd0db1ac076db2a12f460, 031061a06b170a3d40eb71d0c3dd04b4e8b6854b, 44981ec0170e8f828a056ec330340a0cef395fb5, and 4484ba8aecb9b89e73221945badc2f968e76d6ca; (3) Documentation and migration guides updated to reflect token governance and migration resources, including establishing Figma as the single source of truth, with commits ddc26b535cc43b4e9838ec26c57995e98547e850 and 9a96b53e291e545bfc57a274d6b933ab0155a821; (4) Testing and developer experience improvements, notably adjusting Playwright test reporter behavior to prevent automatic opening after tests to streamline CI runs (commit b2fef7b07595fbe892856bfb6853f9368d29477c). Overall impact: strengthened platform-wide design consistency through a more scalable token strategy, reduced onboarding and migration friction with clearer docs, and increased CI efficiency via streamlined test reporting. Demonstrated expertise in design systems, CSS design tokens, cross-framework integration (web-react, web-twig), and modern DX tooling.
November 2024
12 Commits • 3 Features
Nov 1, 20242024-11 Monthly Summary — Spirit Design System (lmc-eu/spirit-design-system). Delivered a set of value-driven UI and tokens improvements that enable more flexible theming, improve design-token governance, and streamline developer experience across web-react and web-twig. Key outcomes include: (1) New Plain Button variant and plain color variants implemented across Button and ButtonLink components in web-react and web-twig to enhance styling flexibility and accessibility, backed by commits 48d9db9f0675314f1651c29e31031e776eb07767, 3ea4030e59fe5acb1808d25fb7205132034469e7, and c08e8fa7bfd11c32ee65c96ebae0c2390b814bcd; (2) Token system improvements and exporter enhancements that modernize the CSS variable-based design tokens workflow, including switching to a CSS-variable-prefix approach, color variable mixins, and exporter refactor, supported by commits b67ef6770c1d3ab60677bd9ff7412de0e153dcb0, a4d33bd9eec3e2058e8fa9d2326e66972d9ac76b, d0c3e8e83ba259a53d1cd0db1ac076db2a12f460, 031061a06b170a3d40eb71d0c3dd04b4e8b6854b, 44981ec0170e8f828a056ec330340a0cef395fb5, and 4484ba8aecb9b89e73221945badc2f968e76d6ca; (3) Documentation and migration guides updated to reflect token governance and migration resources, including establishing Figma as the single source of truth, with commits ddc26b535cc43b4e9838ec26c57995e98547e850 and 9a96b53e291e545bfc57a274d6b933ab0155a821; (4) Testing and developer experience improvements, notably adjusting Playwright test reporter behavior to prevent automatic opening after tests to streamline CI runs (commit b2fef7b07595fbe892856bfb6853f9368d29477c). Overall impact: strengthened platform-wide design consistency through a more scalable token strategy, reduced onboarding and migration friction with clearer docs, and increased CI efficiency via streamlined test reporting. Demonstrated expertise in design systems, CSS design tokens, cross-framework integration (web-react, web-twig), and modern DX tooling.
October 2024
2 Commits • 2 Features
Oct 1, 2024Concise monthly summary for 2024-10 focusing on upgrade-focused features, naming consistency, and developer experience enhancements across Spirit Design System. Delivered two core features with clear business value, leveraged thorough documentation, and improved type safety and token naming alignment. No major bugs fixed reported for this period.
2 Commits • 2 Features
Oct 1, 2024Concise monthly summary for 2024-10 focusing on upgrade-focused features, naming consistency, and developer experience enhancements across Spirit Design System. Delivered two core features with clear business value, leveraged thorough documentation, and improved type safety and token naming alignment. No major bugs fixed reported for this period.
October 2024
Activity
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Quality Metrics
Correctness96.6%
Maintainability96.4%
Architecture94.4%
Performance94.8%
AI Usage20.2%
Skills & Technologies
Programming Languages
CSSHTMLHandlebarsJavaScriptMarkdownSCSSSVGShellTSXTwig
Technical Skills
AccessibilityAsset ManagementCI/CDCSSCSS AnimationsCSS PreprocessingCSS VariablesCSS-in-JSCode FormattingCode GenerationCode QualityCode RefactoringCodebase ManagementComponent DesignComponent Development
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline