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ukimsanov
f11cf23112
What: three new pure modules with their test suites: timelineCollision (zone-aware placement — clampTrackToZone, resolveInsertRow, resolvePlacement, lane/overlap predicates), timelineSnapping (snap-target collection and pixel-threshold time snapping), and timelineMultiDragPreview (group-drag passenger offsets and clamped group deltas). Why: this is the math core of the NLE clip-drag engine. It has no DOM, no React, and no store writes, so it is reviewable as plain functions before the integration PR wires it into the drag gesture. How: new files only; imports are limited to types from the existing playerStore. Nothing on main imports these yet — the integration PR (studio-dnd/pr05) becomes the first runtime consumer. Test plan: bunx vitest run on the three test files; tsc --noEmit in packages/studio; fallow audit --base origin/main clean (every export is consumed by the same-PR tests).
@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