Build an accessible, high-performance React skeleton screen with a polished shimmer effect, plus Suspense integration, theming, and pro tips.
Build an accessible React toggle switch: semantics-first component with native checkbox, keyboard support, forms, RTL, reduced motion, and tests.
Build an accessible, themeable React badge notification counter with real-time updates, tasteful animations, and robust a11y—plus tests and tips.
Build an accessible, flexible React avatar component with initials fallback, status badges, groups, and TypeScript—optimized for performance and a11y.
Build a React drag-and-drop file upload with previews, progress, validation, accessibility, and testing. Includes code for react-dropzone and a custom approach.
Master Flutter custom keyboard actions: IME buttons, focus traversal, desktop shortcuts, accessory bars, and custom keypads with production-ready code.
