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fix(devtools): false positive app not detected

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Since Manifest V3, the service worker (background) gets terminated after 30s of inactivity. This can break the initialization phase of DevTools or the BE-FE communication channel, if already initialized. To prevent that, we emit a heartbeat in a >30s interval.
This commit is contained in:
hawkgs
2025-12-18 12:17:47 +02:00
committed by Kristiyan Kostadinov
parent 98bfd139ee
commit 0db09e33b1
1 changed files with 11 additions and 0 deletions
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devtools/projects/shell-browser/src/app/content-script.ts
+11
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@@ -19,10 +19,21 @@ const port = chrome.runtime.connect({
name: `${document.title || location.href}`,
});
// Since Manifest V3, the service worker (background)
// gets terminated after 30s of inactivity. This can
// break the initialization phase of DevTools or the
// BE-FE communication channel, if already initialized.
// To prevent that, we emit a heartbeat in a >30s interval.
const HEARTBEAT_INTERVAL = 20000; // Keep below 30s
const heartbeatInterval = setInterval(() => {
port.postMessage('__NG_DEVTOOLS_BEAT');
}, HEARTBEAT_INTERVAL);
const handleDisconnect = (): void => {
localMessageBus.emit('shutdown');
localMessageBus.destroy();
chromeMessageBus.destroy();
clearInterval(heartbeatInterval);
backgroundDisconnected = true;
};