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Zero-runtime CSS-in-JS: Devup-UI
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Zero-runtime CSS-in-JS: Devup-UI
Dev-five-git/devup-ui: jsx zero-runtime ui styling library
# Code Generator
Featured on : Aug 26. 2025
Featured on : Aug 26. 2025
What is Zero-runtime CSS-in-JS: Devup-UI?
⚡ Zero-runtime – all styles extracted at build time 🗂️ Deduplication – no repeated CSS, thanks to caching 🌍 Responsive & theming support out of the box 💻 Works in TSX/JSX directly – no separate style files needed
Problem
Developers use CSS-in-JS libraries with runtime overhead, causing performance issues like slower load times and increased bundle sizes.
Solution
A zero-runtime CSS-in-JS library that extracts styles at build time, enabling optimized performance and reduced bundle sizes. Example: Write styles in JSX/TSX directly without runtime code.
Customers
Frontend developers (especially React/TypeScript users) prioritizing performance optimization and streamlined styling workflows.
Unique Features
Zero-runtime architecture, build-time style extraction, CSS deduplication via caching, native responsive/theme support, and JSX/TSX integration without separate files.
User Comments
Eliminates runtime CSS-in-JS bottlenecks
Improves page load performance significantly
Seamless integration with React projects
Reduces CSS bundle size effectively
Simplifies responsive design implementation
Traction
500+ upvotes on ProductHunt, 1.2k GitHub stars, 10k+ npm weekly downloads
Market Size
The global frontend framework market was valued at $8.5 billion in 2022 (Grand View Research).