dappconnect-sdks/apps/connector/src/background.ts

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import { Storage } from '@plasmohq/storage'
import iconConnected from 'url:../assets/icon-connected.png' // eslint-disable-line import/no-unresolved
import iconDisconnected from 'url:../assets/icon-disconnected.png' // eslint-disable-line import/no-unresolved
import { config } from '~config'
import type { ServiceWorkerMessage } from '~messages/service-worker-message'
/**
* Check if the WebSocket server is reachable
*/
const storage = new Storage()
const DESKTOP_ENDPOINT_URL = config.desktop.rpc.url.replace('ws:', 'http:')
const CHECK_INTERVAL_MS = 5000
const isWebSocketServerReachable = async (): Promise<boolean> => {
try {
await fetch(DESKTOP_ENDPOINT_URL, { method: 'HEAD' })
return true
} catch {
return false
}
}
async function checkDesktopStatus() {
const isServerReachable = await isWebSocketServerReachable()
storage.set('status:desktop:running', isServerReachable)
chrome.action.setIcon({
path: isServerReachable ? iconConnected : iconDisconnected,
})
}
checkDesktopStatus()
setInterval(checkDesktopStatus, CHECK_INTERVAL_MS)
/**
* Handler for opening popup
*/
chrome.action.onClicked.addListener(async tab => {
if (!tab.id || !tab.url) {
return
}
chrome.tabs.sendMessage(tab.id, {
type: 'status:icon:clicked',
} satisfies ServiceWorkerMessage)
})