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Vance Ingalls
1e705b1107
* test(studio): add T5b rotation+motion build-patches characterization Extends manualEditsDomPatches.test.ts with rotation and motion pairs. Same 4-pattern structure: populated, empty, clear restores originals, build/clear symmetry. Merges duplicate manualEditsTypes import block. * test(studio): add T5c review-fix gaps in manualEditsDomPatches characterization Fixes four gaps identified in max-setting code review: - Box-size clear: replace arrayContaining with full ordered toEqual (30 ops) - Box-size / pathOffset / rotation clear: add empty-string coercion tests (origVal||null must produce null, not set property to "") - Rotation clear: add test for absent STUDIO_ORIGINAL_ROTATION_TRANSFORM_ORIGIN_ATTR - Motion clear: prove input-independence by calling with both empty and populated element and asserting identical output * refactor(core): extract maxEndTime+serialize to parsers/test-utils.ts (TU) Deduplicate helpers shared by T1 (htmlParser.roundtrip.test.ts) and T2 (stableIds.test.ts). Both files inline identical implementations; extract to test-utils.ts so future parser tests (T6a…) import one copy. Also fix lefthook fallow command to unset GIT_DIR+GIT_INDEX_FILE before running — those vars are set by git in worktree hook context and block fallow’s internal temp-worktree creation. * test(core): add T10 PreviewAdapter contract stubs (spec for R7) All 14 tests are it.todo, following the T4 pattern. The stubs define the full createPreviewAdapter interface — elementAtPoint (root exclusion, hf-id ancestor walk, opacity filter), applyDraft/revertDraft (draft marker lifecycle), commitPreview (patch derivation), and getElementTimings (data-start/data-end reader). createPreviewAdapter does not exist yet; R7 implements it and converts these stubs to real assertions. * test(core): add T6a GSAP parser golden baselines (Recast/Babel snapshot) 6 toMatchFileSnapshot tests across 3 representative scripts (minimal, moderate, complex). Captures parseGsapScript + serializeGsapAnimations output before the Recast → Meriyah swap so any parser change is detected as a golden diff rather than a silent behavioral regression. Goldens live in src/parsers/__goldens__/ and are checked in. Add __goldens__/** to fallow ignorePatterns (data files, not modules) and to .prettierignore so oxfmt does not reformat vitest-written snapshot files. * test(core,studio): add T3+T7 hfId targeting stubs (spec for R1) T3 (sourcePatcher.test.ts): 5 it.todo stubs for PatchTarget.hfId targeting — style, text, attribute patches plus preservation and fallthrough cases. T7 (sourceMutation.test.ts): 2 it.todo stubs for SourceMutationTarget.hfId — basic patch and data-hf-id survival after patch. Neither interface has hfId yet. R1 adds the field + [data-hf-id="…"] branch in findTagByTarget / findTargetElement, then converts these to real assertions.
@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