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https://github.com/heygen-com/hyperframes.git
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Miguel Ángel
194ad6f6d3
* fix(studio): blur seekbar after seek so NLE shortcuts resume
Clicking the timeline seekbar (role=slider) explicitly called
e.currentTarget.focus(), leaving focus on the slider element.
shouldIgnorePlaybackShortcutTarget filters out [role='slider'] targets,
so all playback shortcuts (Space/J/K/L/arrows) were silently blocked
until the user clicked away.
- blur() the seekbar in cleanup() so focus returns after pointer release
- replace the default white focus ring with a focus-visible ring (keyboard-only)
- add tabIndex={-1} + outline-none to the NLE timeline scroll div,
which Chrome auto-focuses for overflow:auto elements
Fixes #1136
* fix(studio): blur color slider on pointer release (sister bug)
Same pattern as the seekbar: role=slider + tabIndex=0 receives natural
browser focus on click, blocking playback shortcuts while focused.
ColorSlider never had an onPointerUp handler; adding one to blur
immediately after release matches the seekbar's cleanup() blur.
@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