pinafore/routes/_store/notificationObservers.js

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import { setFavicon } from '../_utils/setFavicon'
import { scheduleIdleTask } from '../_utils/scheduleIdleTask'
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let currentFaviconHasNotifications = false
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export function notificationObservers (store) {
store.observe('hasNotifications', hasNotifications => {
if (!process.browser) {
return
}
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if (currentFaviconHasNotifications === hasNotifications) {
return
}
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scheduleIdleTask(() => {
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setFavicon(hasNotifications ? '/favicon-alert.png' : '/favicon.png')
currentFaviconHasNotifications = !currentFaviconHasNotifications
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})
})
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}