mirror of
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Miguel Ángel
db1f696543
Addresses #308 review feedback from @jrusso1020: - visibilitychange + window blur: synthesize drag cleanup when the page is backgrounded mid-drag. iOS Safari does not reliably fire pointercancel on alt-tab / incoming call / app switch, which would leave isDraggingRef latched true until the next pointerdown. - Restore focus on pointerdown via e.currentTarget.focus() after the preventDefault() call, so the click-then-arrow-key seek workflow works without requiring an explicit Tab first. - Clarify the releasePointerCapture try/catch comment so the next reader does not chase the second-invocation no-op throw as a bug.
@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