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Vance IngallsandClaude Opus 5
fddd596e8f
The rack's rows were keyed `${type}-${index}`. Two effects of the SAME type
keep those keys through a reorder — position 0 is `peaking-0` before and after
— so React reused each row where it stood rather than moving it with its node.
The controls hold real state (a number field mid-edit is held as text, a drag
holds a local value), and that state stayed at the position: moving an effect
handed its half-typed value to whichever effect took its slot.
Different types happened to be safe, because the type is in the key. Same types
were not, and a rack with two EQ bands is the common case.
Now keyed by `node.id`, which the carve module's own list above already does,
falling back to the old form for a node minted without one.
Falsified by restoring the index key: the slot keeps showing 123 after the
effect carrying it moved away.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
@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