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Jan Kryšpín

PROFILE

Jan Kryšpín

Over 21 months, contributed to the lmc-eu/spirit-design-system repository by building and evolving a robust, token-driven design system supporting web, React, and Twig platforms. Delivered 81 features and resolved 12 bugs, focusing on scalable theming, accessibility, and cross-framework consistency. Leveraged technologies such as TypeScript, SCSS, and React to implement responsive UI components, design token migrations, and Figma Code Connect integrations for streamlined design-to-code workflows. Enhanced developer experience through improved documentation, CI/CD pipelines, and code quality enforcement. The work enabled faster UI development, reduced design drift, and improved accessibility, supporting maintainable, high-quality interfaces across multiple products and teams.

Overall Statistics

Feature vs Bugs

87%Features

Repository Contributions

199Total
Bugs
12
Commits
199
Features
81
Lines of code
68,445
Activity Months21

Your Network

17 people

Work History

April 2026

5 Commits • 3 Features

Apr 1, 2026

April 2026: Delivered foundational localization and quality-assurance improvements for the Spirit Design System, enabling robust localization workflows, HTML accessibility checks, and streamlined Storybook deployments. Implemented i18n with I18nProvider and useI18n hook to support nested translations and locale overrides, with subsequent cleanup refactoring of translation keys for clarity. Added HTML ESLint config and tests to enforce formatting and accessibility rules. Introduced Storybook MCP (Manifest Control Protocol) support to improve local and Netlify Storybook deployments and manifest management. Fixed a CSS variable naming issue for link styles to ensure consistent theming. These changes reduce localization friction, improve UI consistency and accessibility, and strengthen the design-system deployment pipeline.

March 2026

6 Commits • 3 Features

Mar 1, 2026

March 2026 monthly review for lmc-eu/spirit-design-system highlighting key feature deliveries, major bug fixes, and overall impact. Focused on design system consistency, component flexibility, and test coverage to accelerate design-token adoption and UI reliability.

February 2026

16 Commits • 7 Features

Feb 1, 2026

February 2026 — lmc-eu/spirit-design-system: Key features delivered, major bugs fixed, overall impact, and skills demonstrated. This month focused on expanding UI flexibility, accelerating design-to-code, strengthening governance, and boosting UX accessibility, while improving consistency across components. Key features delivered: - Card AlignmentY prop added to Card with API, styling, and tests. - AI-assisted Figma design-to-code workflow introduced for React via Spirit Web components, including updated docs. - Project governance and coding guidelines established (AI assistant instructions, code style guidelines, and a structured Git workflow). - Stack/List semantics and item selection enhancements to improve UX and accessibility. - FileUploader now uses base64-encoded images for consistent assets and improved performance. Major bugs fixed: - Figma Design System Config naming corrections (file name in config and related prop naming). - SkeletonShape border radius default CSS fix for visual consistency. Overall impact and accomplishments: - Faster design-to-code cycle with AI-assisted tooling; higher UI consistency and accessibility; clearer, repeatable development workflow; reduced reliance on external assets. - Improved design-system governance and collaboration, leading to higher quality, maintainable code and docs. Technologies and skills demonstrated: - React, Spirit Web components, AI-assisted workflows, Figma-to-Spirit integration, UI/UX accessibility improvements, documentation and governance practices, and testing.

January 2026

16 Commits • 6 Features

Jan 1, 2026

January 2026: Productive month delivering core design-system improvements that accelerate design-to-code handoffs, improve component consistency, and raise code quality. Implemented cross-component Figma Code Connect across major components, added symmetrical button design with responsive props, enabled Box refs, cleaned up Alert props, and strengthened repository hygiene and testing practices—driving faster feature delivery with fewer UI defects.

December 2025

12 Commits • 2 Features

Dec 1, 2025

December 2025 monthly performance summary for the lmc-eu/spirit-design-system repository. The team delivered a major extension of the Figma Code Connect integration across core UI components, enabling live design-to-code workflows and ensuring design-system consistency. In parallel, we completed a comprehensive Design System API cleanup with a focus on type-safety and polymorphic typing for Avatar, Box, Flex, and Grid, reducing maintenance risk and improving UI reliability. The work is complemented by targeted demo alignment updates and visual polish to reflect API changes. Key highlights include enabling Checkbox and Radio support in Figma Code Connect and upgrading the package for compatibility, as well as refining the API surface and prop typings to support safer composition across components.

November 2025

5 Commits • 3 Features

Nov 1, 2025

November 2025 monthly summary for the lmc-eu/spirit-design-system. Focused on stability, data correctness, and design-to-code enablement across tokens and UI components. Delivered Token Exporter Enhancements with corrected collection names and filtered typography/Figma tokens to avoid conflicts, added Figma Code Connect integration for Alert, Avatar, Divider, Pill, and Tag to streamline the design-to-code workflow, introduced REM unit recalculation for tokens to improve responsiveness, and resolved demo layout issues to ensure a consistent user experience. These efforts collectively improved token accuracy, UI stability, and cross-team collaboration, accelerating production readiness for design-system consumers.

October 2025

4 Commits • 3 Features

Oct 1, 2025

October 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).

September 2025

1 Commits • 1 Features

Sep 1, 2025

September 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, 2025

In 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.

July 2025

2 Commits • 1 Features

Jul 1, 2025

July 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, 2025

June 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.

May 2025

2 Commits • 1 Features

May 1, 2025

May 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, 2025

April 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.

March 2025

2 Commits • 1 Features

Mar 1, 2025

March 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, 2025

February 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.

January 2025

16 Commits • 6 Features

Jan 1, 2025

January 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, 2024

Monthly 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).

November 2024

12 Commits • 3 Features

Nov 1, 2024

2024-11 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, 2024

Concise 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.

September 2024

30 Commits • 7 Features

Sep 1, 2024

September 2024: Implemented a comprehensive migration to v3 design tokens across the Spirit Design System repository, delivering a unified theming layer for web, web-react, and web-twig. Key features included migrating core UI components (Radio, ScrollView, Accordion, Tooltip, Pagination, Modal, Tag) and additional widgets (TextField, TextArea, Select, FileUploader, FieldGroup, Slider, Item, Footer, Toast, Toggle) to v3 tokens, plus associated breaking changes. Updated documentation and demos to reflect new tokens and spacing, restored SASS unit tests, and enhanced test coverage with visual tests and e2e enablement. The work reduces design drift, accelerates UI development, and improves consistency and maintainability across products.

August 2024

24 Commits • 6 Features

Aug 1, 2024

August 2024 performance summary for the Spirit Design System (lmc-eu/spirit-design-system): Delivered a comprehensive migration to v3 design tokens across the web design ecosystem (web, web-react, web-twig), enabling consistent theming and token-driven styling. Consolidated token structure, introduced themes, and removed inverted variants across components to reduce visual debt. The month also included documentation alignment, QA/visual testing improvements, and the rollout of storybook theming. These efforts improved design consistency, accelerated cross-platform delivery, and reduced risk of regressions.

Activity

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Quality Metrics

Correctness96.8%
Maintainability92.8%
Architecture94.0%
Performance92.0%
AI Usage24.6%

Skills & Technologies

Programming Languages

CSSHTMLHandlebarsJSONJavaScriptMarkdownSCSSSVGShellTSX

Technical Skills

AI integrationAPI developmentAccessibilityAsset ManagementCI/CDCSSCSS AnimationsCSS PreprocessingCSS VariablesCSS-in-JSCode FormattingCode GenerationCode QualityCode RefactoringCodebase Management

Repositories Contributed To

1 repo

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

lmc-eu/spirit-design-system

Aug 2024 Apr 2026
21 Months active

Languages Used

HTMLHandlebarsJavaScriptSCSSTwigTypeScriptMarkdownSVG

Technical Skills

CSSHTMLJavaScriptPlaywrightReactSCSS