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Miguel Angel Simon Sierra
5dad52370f
An expanded sub-composition child row is built from a manifest clip, which carries none of the host element's attributes, so data-hidden never reached it. The eye on that row therefore always reported the element visible: the first click hid it, and every click after wrote data-hidden again instead of removing it. The element could not be shown again, not even after a reload, because the attribute was already in the source. The flat store element for the same child is built with its host element, so the child row inherits hidden, timelineLocked and timelineRole from it.
@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