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https://github.com/heygen-com/hyperframes.git
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Miguel Ángel
621ddd4693
* fix(studio): serve files whose name has a bare percent sign A browser sends src="100%.png" with the % unescaped, and decoding the whole path threw, so Studio answered 500. Only well-formed escapes are decoded now. * fix(cli): serve files with a bare percent sign from the check and snapshot server One shared decode rule for request paths; the image thumbnail route's malformed-escape 400 could no longer fire, so a name that is not a file is a 404. * fix(cli): name a failed file with a bare percent sign in check * fix(studio): keep apostrophes and dollar signs in file names when editing attributes An attribute value is matched by its own quote kind, so src="it's.png" is replaced instead of duplicated, and every insert uses a function replacer, so $1 or $& in a file name is written as is. * fix(studio): rename references spelled with %20 or & and read quoted media sources WIP: not yet tested; see the resume note. * fix(studio): match whole attribute names when editing media sources * fix(studio): compare decoded names and escape replacement references * fix(studio): preserve file references across URL and string consumers * docs: clarify raw file references and URL fields * fix(studio): keep raw path identity distinct from URL spelling * fix: share attribute grammar and decode media URLs at their readers * fix: preserve local filename identity in HTML URL output * fix: decode entity references before rename candidate matching * style: format rename entity handling and regressions * fix: preserve platform file identity when renaming references * fix(core): decode CSS escapes before rebasing asset URLs * fix(core): consume CSS continuations before URL encoding * fix(core): preserve CSS URL identity and escape rebased suffixes * fix(core): express CSS suffix controls with Unicode categories * fix(core): preserve URL backslash identity while rebasing * test(core): respect platform backslash filename semantics * fix(studio): a dropped file with %, # or ? in its name loads, and an encoded reference renames * fix(studio): read an authored src as a URL so dropped files with spaces, %, # or ? load * fix(studio): media routes find files named with ? or #, and the probe reads a src as a URL * fix(studio-server): one rule for request file paths, so loudness finds files named with %, # or ? * chore: drop the design note from the change * fix(core): rename replaced clips whose src is URL-encoded
@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 19, Zustand 4/5 (state management; development uses Zustand 5)
- 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