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https://github.com/heygen-com/hyperframes.git
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Miguel Ángel
d5cc1c9c62
Panel sizes are reconciled against the window on every resize, with the preview holding a 360x200 floor that panels yield to before it gives. Measured preview pane: 760px window 192 -> 433, 560px window 2 -> 516. Windows at or above 1280px are unchanged. - fitPanels owns the who-yields decision for both axes - panel caps are window-relative, replacing a flat 600px inspector cap - below 860 the sidebar rails, below 700 the inspector collapses too - auto-collapse is derived render state and never writes leftCollapsed (localStorage) or rightCollapsed (synced into the shareable URL) - the rail and header toggles act on the effective state, so neither is a dead click that silently persists a collapse the user never asked for
@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