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James
067bc722e3
The Windows install failures (`ENOENT: failed copying files from cache to destination for package @types/node` / `esbuild`) are caused by bun creating workspace-scoped nested installs under `node_modules/@hyperframes/<pkg>/node_modules/...`. Those nested paths only exist because each workspace package pinned a different `@types/node` / `esbuild` major: - root: `@types/node ^25.0.10`, core: `^24.10.13`, cli/engine/producer: `^22` - core/cli: `esbuild ^0.25.x`, producer: `^0.27.2` Each major-version gap forces bun to install a workspace-scoped copy in a deep `node_modules/@hyperframes/<pkg>/node_modules/<dep>/node_modules/...` tree that bun can't reliably materialize on Windows GHA runners. Aligning versions lets bun dedup to a single root-hoisted install per dep, and the nested workspace block disappears from `bun.lock` entirely. ## Alignment - `@types/node` → `^25.0.10` across root, core, cli, engine, producer - `esbuild` → `^0.25.12` across cli, core, producer - `tsx` → `^4.21.0` across producer (matches root + core) ## Source-level v25 compat (already in this PR) @types/node v25 declares `File` as an interface (not a class) and exposes a conditional global where `FormData.entries()` narrows to `[string, string]` when an `onmessage` global is in scope. `packages/core/src/studio-api/routes/files.ts`'s `value instanceof File` check was relying on the v24 class declaration — already cast the iterator to `Iterable<[string, FileLike | string]>` in the prior commit. Two more v25 source fixes here: - `packages/cli/src/commands/init.ts` - `packages/cli/src/whisper/normalize.ts` `Dirent.path` was removed in @types/node v25 (deprecated alias for `parentPath` since Node 20.12). Drop the `?? e.path` fallback. ## Verification Both install layouts now build clean end-to-end: - `bun install` (isolated, default): full build green, 853 core tests pass, typecheck green across all 7 packages - `bun install --linker=hoisted` (Windows CI): same result - `bun.lock` no longer contains any `@hyperframes/<pkg>/<dep>` nested workspace entries — 70+ lines of nested install blocks gone
@hyperframes/engine
Seekable web-page-to-video rendering engine built on Puppeteer and FFmpeg.
Framework-agnostic: works with GSAP, Lottie, Three.js, CSS animations, or any web content that implements the window.__hf seek protocol.
Install
npm install @hyperframes/engine
Requirements: Node.js >= 22, Chrome/Chromium (auto-downloaded by Puppeteer), FFmpeg
What it does
The engine opens your HTML composition in a headless Chrome instance, seeks frame-by-frame using Chrome's HeadlessExperimental.beginFrame API, captures screenshots, and encodes them into video with FFmpeg.
Key services
| Service | Description |
|---|---|
| browserManager | Launches and pools headless Chrome instances (chrome-headless-shell) |
| frameCapture | Manages capture sessions — seek, screenshot, buffer lifecycle |
| screenshotService | BeginFrame-based capture with CDP (Chrome DevTools Protocol) |
| chunkEncoder | FFmpeg encoding with chunked concat, GPU detection, faststart |
| streamingEncoder | Pipe frames to FFmpeg in real time (no intermediate PNGs on disk) |
| audioMixer | Parse <audio> elements and mix audio tracks via FFmpeg |
| videoFrameExtractor | Extract frames from <video> elements for compositing |
| parallelCoordinator | Split frame ranges across worker processes |
| fileServer | Serve local HTML files to the browser via Hono |
Usage
import {
acquireBrowser,
releaseBrowser,
createCaptureSession,
initializeSession,
captureFrame,
closeCaptureSession,
} from "@hyperframes/engine";
// 1. Launch browser
const browser = await acquireBrowser({ captureMode: "beginFrame" });
// 2. Open a capture session
const session = createCaptureSession({
browser: browser.browser,
url: "http://localhost:3000/my-composition.html",
width: 1920,
height: 1080,
fps: 30,
});
await initializeSession(session);
// 3. Capture frames
for (let i = 0; i < totalFrames; i++) {
await captureFrame(session, i, `/tmp/frames/frame-${i}.png`);
}
// 4. Clean up
await closeCaptureSession(session);
await releaseBrowser(browser);
Most users should use @hyperframes/producer or the hyperframes CLI instead of calling the engine directly.
Documentation
Full documentation: hyperframes.heygen.com/packages/engine
Related packages
@hyperframes/core— types, parsers, frame adapters@hyperframes/producer— high-level render pipeline built on this enginehyperframes— CLI