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- revert diamond selection when a rejected retime leaves the source in place - clear project-local ease focus and expansion on player store reset - share one static-position-hold predicate across the tween cache - invalidate the GSAP cache even when a group timing rewrite throws - stamp each lane keyframe's ease from its own source tween - memoize property lanes and row offsets so memo'd diamond lanes hold - use the editable tween duration for drag position commits - restore the pre-t=0 pad in the all-collapsed content origin - clamp the drag ghost and drop placeholder to the collapsed clip height - aria-expanded on the layer disclosure, aria-pressed plus state-specific labels on the keyframe toggle, 24px chevron targets, focus-visible parity
@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