v1.0.0View on npm
Open Source Project & Maintainer

Architected for complete creative freedom in loading states.

Skelcraft was created by Ajit Kumar (known online as AjitDev01) to solve a persistent frustration in the React ecosystem: rigid skeleton packages that force developers into predefined boxes, bloat bundle sizes with runtime CSS-in-JS libraries, or trigger hydration mismatches in Next.js App Router.

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Ajit Kumar

@AjitDev01•Creator & Lead Maintainer

Ajit Kumar is a frontend engineer and open-source enthusiast focused on high-performance web tooling, type-safe component primitives, and responsive user interfaces. Alongside Skelcraft, he authors open-source developer tools including DaySafe (a lightweight zero-dependency JavaScript date library) and maintains a digital developer ecosystem across his portfolio and technical publications.

His work is published on DEV Community and Medium, covering real-world frontend architecture, React 19 patterns, and modern Next.js streaming loading states.

The Developer Problem Skelcraft Solves

1. Inflexible Pre-baked Layouts

Most skeleton libraries force you into rigid cards with fixed pixel ratios. When your production UI changes, your loading state falls out of sync, creating jarring cumulative layout shifts (CLS).

2. Runtime Styling Bloat

Many alternatives rely on heavy runtime CSS-in-JS dependencies like styled-components or emotion. Skelcraft runs on under 2KB of pure Vanilla CSS with zero runtime JavaScript styling overhead.

3. Next.js Hydration Safety

Skelcraft is built for React 18, React 19, and Next.js App Router streaming (loading.jsx). Deterministic class generation eliminates hydration mismatches and flickering.

Core Design Principles

Pure GPU-accelerated CSS keyframes engineered for steady 60 FPS rendering.
Responsive breakpoint maps (base, sm, md, lg, xl, 2xl) built directly into dimension props.
Fluid mathematical expressions supported seamlessly via calc() and clamp().
Accessible ARIA landmarks (aria-busy, aria-live, role='status') and prefers-reduced-motion honors.
Official brand tokens with custom CSS variables (--sk-color-base, --sk-color-shine).
Complete TypeScript .d.ts declarations for rapid IDE auto-completion.

Explore the Library

Get started in under 60 seconds with our interactive studio and documentation.