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Mario C

PROFILE

Mario C

Worked on the momentum-design/momentum-ui repository over two months, delivering three new features and resolving a key bug to enhance user experience and developer efficiency. Built a versatile Skeleton component for web components with multiple shape variants, pulse animation, and customizable sizing, using TypeScript, SCSS, and LitElement. Developed List and ListItem V2 components with improved structure, accessibility, and event handling, refining Storybook documentation and expanding unit test coverage. Enhanced the Accordion component’s UX with animated arrows and rem-based styling, and fixed a menu overlay bug affecting click interactions. These contributions improved perceived performance, accessibility, and maintainability across the UI library.

Overall Statistics

Feature vs Bugs

75%Features

Repository Contributions

7Total
Bugs
1
Commits
7
Features
3
Lines of code
1,744
Activity Months2

Work History

August 2025

5 Commits • 2 Features

Aug 1, 2025

August 2025 performance summary for momentum-ui: Delivered two major feature sets in momentum-design/momentum-ui, delivering tangible business value through improved UX and developer velocity. 1) Skeleton Component for Web Components: added a versatile md-skeleton with variants (circle, rectangular, rounded), animations (pulse, none), and customizable dimensions; updated HTML tag name map and Storybook docs; unit tests added. 2) List and ListItem V2 Components: introduced revamped List and ListItem V2 with improved structure and interactivity; fixed navigation edge cases; enhanced accessibility in stories; JSDoc updates for events; refined event handling for md-list-item-v2; updated stories to include a menu overlay. These changes are backed by commits 58cbc5312e7a7401f18e3bfd2b36ff3b0ed4229b, 09b2b24664220b5ae959443e547542b5214fa6a1, 6452ee730ebdac630d6d1e33c4ff63874f598ccd, 525e2148eb3dc7c1f1352389f7f852179c934c37, d8b0ec4fc03899384efe66f38eba4806adfc213e. The work improves perceived performance, accessibility, and developer experience, enabling faster UI assembly and more robust interactions in downstream apps.

July 2025

2 Commits • 1 Features

Jul 1, 2025

July 2025 – Momentum UI: Key UX improvements and bug fixes delivering business value and maintainability. Delivered MomentumV2 Accordion Component UX Enhancements with suppressed container focus, animated arrows for expanded items, rem-based border-radius, and refined API/Storybook demos. Fixed Menu Overlay Arrow click-through bug by applying pointer-events: none to the overlay arrow, restoring normal click interactions. These changes improve end-user experience, developer onboarding, and UI stability across the momentum-ui library.

Activity

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Quality Metrics

Correctness92.8%
Maintainability90.0%
Architecture87.2%
Performance82.8%
AI Usage20.0%

Skills & Technologies

Programming Languages

CSSHTMLJavaScriptSCSSTypeScript

Technical Skills

AccessibilityCSSEvent HandlingFront End DevelopmentLitElementSCSSStorybookTestingTypeScriptUnit TestingWeb Components

Repositories Contributed To

1 repo

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

momentum-design/momentum-ui

Jul 2025 Aug 2025
2 Months active

Languages Used

CSSHTMLSCSSTypeScriptJavaScript

Technical Skills

CSSFront End DevelopmentLitElementStorybookWeb ComponentsAccessibility