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Miguel Angel Simon Sierra
5be39c233b
Tailwind silently drops a class it cannot compile, so `rounded-button` renders as no radius at all and nothing goes red. Two tests close that: - the token gate compiles Studio's entry stylesheet with every class the source claims and reports `file: class` for anything that produces no selector. Tailwind is the judge, so there is no allowlist. - the hex ratchet counts colour literals per file against a committed baseline. It fails on a rise, and on a fall it prints the command that banks the lower number. The baseline is only written under a named flag, never as a side effect of a run. The gate's first run found seven names the markup has always asked for and no config has ever defined: rounded-button, shadow-btn-primary, bg-surface-hover, bg-accent-red, ease-standard, text-2xs and two panel backgrounds. Each is added to theme.css, the semantic ones by role and the rest as deprecated aliases for the sweep to remove. It also found a dead state class on the timeline clip, styled nowhere, which is deleted.
@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