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Miguel Ángel
53f442c384
Global-time keyframe system mapping to GSAP percentage keyframes: - Global-time compiler utilities with runtime fallback for string positions - Flat tween auto-display as 2-keyframe animations - commitKeyframeAtTime with explicit-then-auto-key logic - New tween creation outside bounds (add-with-keyframes mutation) - computeCurrentPercentage uses animation timing, not data-attributes - Per-segment easing: ease routes to easeEach when keyframes exist - Ease preset grid above bezier editor, hold keyframes via steps(1) - Multi-element selection store, keyframe clipboard - Keyframe cache merge + deduplication across multiple tweens - Child element dotted outlines on parent selection - Shortcuts panel: Keyframes section (K, Del, H, U, R) - Vitest exclude data/ in studio vite.config.ts
@hyperframes/studio
Browser-based composition editor UI for Hyperframes. Provides a visual timeline, code editor, and live preview for building video compositions.
Install
npm install @hyperframes/studio
What it does
The studio is a React application with:
- Visual timeline — drag, resize, and arrange elements on tracks
- Code editor — edit HTML and GSAP scripts with CodeMirror (syntax highlighting, autocomplete)
- Live preview — see changes in real time as you edit
- Composition inspector — view and modify element properties
Development
The studio is embedded in the hyperframes preview command. To develop the studio UI itself:
cd packages/studio
bun run dev # Start Vite dev server
bun run build # Build for production
bun run typecheck # Type-check
Tech stack
- React 18/19, Zustand (state management)
- CodeMirror 6 (editor)
- Tailwind CSS (styling)
- Vite (bundler)
- Phosphor Icons
Documentation
Full documentation: hyperframes.heygen.com/packages/studio
Related packages
@hyperframes/core— types and parsers used by the editorhyperframes— CLI that serves the studio viahyperframes preview