Article outlines a four-level component hierarchy for UI development: headless components handling core behavior, design system components like shadcn/ui adding styles, layout components for common patterns, and consumer components building the final UI. Five rules emphasize using shadcn/ui as a foundation, maintaining design system consistency, organizing components by level, and leveraging composition patterns to avoid poorly designed interfaces.
Cube is a JavaScript animation library providing four core motions—rise, leave, morph, and reveal—with fixed durations and curves, zero dependencies in its core, and support for React, Vue, Solid, and Svelte. It prioritizes simplicity over customization, using the Web Animations API and IntersectionObserver without polyfills or frame loops.