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fix(browser): harden CDP readiness

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This commit is contained in:
Peter Steinberger
2026-01-01 16:15:12 +00:00
parent 9f704d7aa7
commit 538c1eb660
7 changed files with 269 additions and 27 deletions
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41
src/browser/pw-session.ts
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@@ -100,20 +100,33 @@ async function connectBrowser(endpoint: string): Promise<ConnectedBrowser> {
if (cached?.endpoint === endpoint) return cached;
if (connecting) return await connecting;
connecting = chromium
.connectOverCDP(endpoint, { timeout: 5000 })
.then((browser) => {
const connected: ConnectedBrowser = { browser, endpoint };
cached = connected;
observeBrowser(browser);
browser.on("disconnected", () => {
if (cached?.browser === browser) cached = null;
});
return connected;
})
.finally(() => {
connecting = null;
});
const connectWithRetry = async (): Promise<ConnectedBrowser> => {
let lastErr: unknown;
for (let attempt = 0; attempt < 3; attempt += 1) {
try {
const timeout = 5000 + attempt * 2000;
const browser = await chromium.connectOverCDP(endpoint, { timeout });
const connected: ConnectedBrowser = { browser, endpoint };
cached = connected;
observeBrowser(browser);
browser.on("disconnected", () => {
if (cached?.browser === browser) cached = null;
});
return connected;
} catch (err) {
lastErr = err;
const delay = 250 + attempt * 250;
await new Promise((r) => setTimeout(r, delay));
}
}
throw lastErr instanceof Error
? lastErr
: new Error(String(lastErr ?? "CDP connect failed"));
};
connecting = connectWithRetry().finally(() => {
connecting = null;
});
return await connecting;
}