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Vance Ingalls
de15099a7e
Three writes in the audio panel each read the source file, mutate one attribute and write it back. Fired without ordering they read the same content and the last one lands, dropping the others. - Deleting an effect left its automation lanes in the attribute. Ids are minted lowest-free, so the next effect added took the same id and inherited the dead envelope: disabled and "Automated" without the author ever automating it, and baked into the render. - Switching carve off wrote the chain (dropping the filters it generated) and the carve settings at once, so either the filters stayed with no carve to explain them or the settings survived with no filters. - The three carve dials committed per input event, patching the source and resyncing the selection dozens of times per drag. They now preview live and persist on release, like the FX knobs already do. Volume automation reads through the quiet commit too, so removing a lane resyncs the panel instead of leaving the slider disabled.
@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