Miguel Ángel
4e7fcf7f2a
Extends the studio-preview fix to the render path and the asset-discovery utilities, which share the same resolver and had the same defect. `rewriteAssetPath` takes an optional `assetExists` probe. A plain relative ref authored in a sub-composition (`_shared.css`, `clip.mp4`) is re-pointed at the composition's own directory when that sibling exists on disk; project-root refs with no sibling (the registry's `assets/logo.png` convention) stay as authored. Callers that can see the filesystem supply the probe, so the module stays free of node:fs. Also fixes a second defect in the inliner: `<head>` <link> hrefs and external script srcs are hoisted into the root document but never went through the rewrite at all, so even the documented `../` form escaped the project and 404'd at render time. Wired into the preview bundler, the producer compiler, the studio preview builder, the HEVC preview lint, the project lint's asset scans, publish proxy baking, and media-treatment source resolution.
hyperframes
CLI for creating, previewing, and rendering HTML video compositions.
Install
npm install -g hyperframes
Or use directly with npx:
npx hyperframes <command>
Requirements: Node.js >= 22, FFmpeg
Commands
init
Scaffold a new Hyperframes project from a template:
npx hyperframes init my-video
cd my-video
preview
Start the live preview studio in your browser:
npx hyperframes preview
# Studio running at http://localhost:3002
npx hyperframes preview --port 4567
render
Render a composition to MP4. Run from the project directory; the positional
argument is the project directory (not a file), so render the project's
index.html directly, or point at a specific composition file with -c:
npx hyperframes render -o output.mp4
npx hyperframes render -c ./my-composition.html -o output.mp4
lint
Validate your Hyperframes HTML:
npx hyperframes lint ./my-composition
npx hyperframes lint ./my-composition --json # JSON output for CI/tooling
npx hyperframes lint ./my-composition --verbose # Include info-level findings
By default only errors and warnings are shown. Use --verbose to also display informational findings (e.g., external script dependency notices). Use --json for machine-readable output with errorCount, warningCount, infoCount, and a findings array.
compositions
List compositions found in the current project:
npx hyperframes compositions
benchmark
Run rendering benchmarks:
npx hyperframes benchmark ./my-composition.html
doctor
Check your environment for required dependencies (Chrome, FFmpeg, Node.js):
npx hyperframes doctor
browser
Manage the bundled Chrome/Chromium installation:
npx hyperframes browser
info
Print version and environment info:
npx hyperframes info
docs
Open the documentation in your browser:
npx hyperframes docs
upgrade
Check for updates and show upgrade instructions:
npx hyperframes upgrade
npx hyperframes upgrade --check --json # machine-readable for agents
Documentation
Full documentation: hyperframes.heygen.com/packages/cli
Related packages
@hyperframes/core— types, parsers, frame adapters@hyperframes/engine— rendering engine@hyperframes/producer— render pipeline@hyperframes/studio— composition editor UI