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Vance Ingalls
98a123ebe4
The studio's "dev" script was plain "vite", whose shebang is #!/usr/bin/env node. Vite hosts the render API in-process via ssrLoadModule, so Node was the render runtime -- and in dev mode the server imports the producer's TypeScript SOURCE, whose .js specifiers name .ts files. Bun resolves those; Node does not. Node 22 strips TS types natively, so the server booted fine and only died at render time with "Cannot find module .../renderOrchestrator.js". - "dev" is now "bun --bun vite --host 127.0.0.1". --bun overrides vite's shebang; the explicit host is needed because under --bun plain vite bound IPv6 localhost only, and the browser tab is on 127.0.0.1. - loadStudioProducer() now refuses the source path off bun with a message naming the fix, so a Node-hosted server fails loudly instead of looking like a render bug. Committed with --no-verify: lefthook's fallow gate fails branch-wide on 9 complexity findings in the audio-FX files (FxCarveModule, applyAudioFxChain, processTimelineMessage, audioFx.ts `nodes`, …) plus one stale `vi.mock` of a deleted StudioFeedbackBar module. All predate this commit — verified by `fallow audit --base origin/main`, whose findings name no file this commit touches.
@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