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refactor(engine): add fingerprinted browser leases

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This commit is contained in:
James
2026-07-16 12:58:10 -04:00
parent 3bb26b0f08
commit 9b23c00237
9 changed files with 765 additions and 224 deletions
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packages/cli/src/server/studioServer.ts
+17 -14
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@@ -167,12 +167,16 @@ async function downloadRemoteGifImageSources(
// Uses the engine's browser pool so the thumbnail browser and render workers
// share a single Chrome process instead of running two independent ones.
let _thumbnailBrowser: import("puppeteer-core").Browser | null = null;
let _thumbnailBrowserInitializing: Promise<import("puppeteer-core").Browser | null> | null = null;
let _thumbnailBrowserLease: import("@hyperframes/engine").BrowserLease | null = null;
let _thumbnailBrowserInitializing: Promise<
import("@hyperframes/engine").BrowserLease | null
> | null = null;
async function getThumbnailBrowser(): Promise<import("puppeteer-core").Browser | null> {
if (_thumbnailBrowser?.connected) return _thumbnailBrowser;
if (_thumbnailBrowserInitializing) return _thumbnailBrowserInitializing;
if (_thumbnailBrowserLease?.browser.connected) return _thumbnailBrowserLease.browser;
if (_thumbnailBrowserInitializing) {
return (await _thumbnailBrowserInitializing)?.browser ?? null;
}
_thumbnailBrowserInitializing = (async () => {
try {
@@ -192,12 +196,12 @@ async function getThumbnailBrowser(): Promise<import("puppeteer-core").Browser |
buildChromeArgs({ width: 1920, height: 1080, captureMode: "screenshot" }),
{ forceScreenshot: true },
);
_thumbnailBrowser = acquired.browser;
_thumbnailBrowser.on("disconnected", () => {
_thumbnailBrowser = null;
_thumbnailBrowserLease = acquired;
acquired.browser.on("disconnected", () => {
if (_thumbnailBrowserLease === acquired) _thumbnailBrowserLease = null;
_thumbnailBrowserInitializing = null;
});
return _thumbnailBrowser;
return acquired;
} catch (err) {
console.warn(
"[Studio] Failed to launch thumbnail browser:",
@@ -208,16 +212,15 @@ async function getThumbnailBrowser(): Promise<import("puppeteer-core").Browser |
}
})();
return _thumbnailBrowserInitializing;
return (await _thumbnailBrowserInitializing)?.browser ?? null;
}
export async function closeThumbnailBrowser(): Promise<void> {
if (!_thumbnailBrowser) return;
const browser = _thumbnailBrowser;
_thumbnailBrowser = null;
if (!_thumbnailBrowserLease) return;
const lease = _thumbnailBrowserLease;
_thumbnailBrowserLease = null;
_thumbnailBrowserInitializing = null;
const { releaseBrowser } = await import("@hyperframes/engine");
await releaseBrowser(browser).catch(() => {});
await lease.release().catch(() => {});
}
// ── Server factory ──────────────────────────────────────────────────────────