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https://github.com/heygen-com/hyperframes.git
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Miguel Ángel
cf8f8aa568
Dragging timeline keyframe diamonds was unreliable — clip<->tween percentage remapping, an optimistic-hold workaround, and an intermittent no-op/revert when the GSAP session lagged the drag (its own comments document the flakiness). Remove the drag interaction entirely: diamonds still display, click-to-seek, and offer the context menu (add/remove/ease) — keyframe timing is edited via the playhead + panel, which are deterministic. Deletes the keyframe-move plan module + its wiring through TimelineClipDiamonds -> TimelineCanvas -> Timeline -> TimelineEditContext.
@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