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fix: prevent termination of Chrome service worker #175

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Merged
ErikBjare merged 2 commits into from
Mar 12, 2025
Merged

fix: prevent termination of Chrome service worker #175

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19321a9
fix: implement keep-alive mechanism for Chrome service worker to prev…
BelKed Mar 12, 2025
8f38a69
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ErikBjare Mar 12, 2025
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27 changes: 27 additions & 0 deletions src/background/main.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -75,3 +75,30 @@ setBaseUrl(client.baseURL)
.then(waitForEnabled)
.then(() => sendInitialHeartbeat(client))
.then(() => console.info('Started successfully'))

/**
* Keep the service worker alive to prevent Chrome's 5-minute inactivity termination
* This is a workaround for Chrome's behavior of terminating inactive service workers
*/
if (import.meta.env.VITE_TARGET_BROWSER === 'chrome') {
function setupKeepAlive(): void {
console.debug(
'Setting up keep-alive ping to prevent service worker termination',
)

setInterval(
() => {
console.debug('Keep-alive ping')
// Force some minimal activity
browser.alarms
.get(config.heartbeat.alarmName)
.then(() => console.debug('Keep-alive ping completed'))
.catch((err) => console.error('Keep-alive ping failed:', err))
},
4 * 60 * 1000,
) // 4 minutes (less than Chrome's ~5 minute timeout)
}

// Start the keep-alive mechanism
setupKeepAlive()
}