elk/plugins/page-lifecycle.client.ts

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import lifecycle from 'page-lifecycle/dist/lifecycle.mjs'
import { ELK_PAGE_LIFECYCLE_FROZEN } from '~/constants'
import { closeDatabases } from '~/utils/elk-idb'
export default defineNuxtPlugin(() => {
const state = ref(lifecycle.state)
const frozenListeners: (() => void)[] = []
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const frozenState = useLocalStorage(ELK_PAGE_LIFECYCLE_FROZEN, false)
lifecycle.addEventListener('statechange', (evt) => {
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if (evt.newState === 'hidden' && evt.oldState === 'frozen') {
frozenState.value = false
nextTick().then(() => window.location.reload())
return
}
if (evt.newState === 'frozen') {
frozenState.value = true
frozenListeners.forEach(listener => listener())
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}
else {
state.value = evt.newState
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}
})
const addFrozenListener = (listener: () => void) => {
frozenListeners.push(listener)
}
addFrozenListener(() => {
if (useAppConfig().pwaEnabled && navigator.serviceWorker.controller)
navigator.serviceWorker.controller.postMessage(ELK_PAGE_LIFECYCLE_FROZEN)
closeDatabases()
})
return {
provide: {
pageLifecycle: reactive({
state,
addFrozenListener,
}),
},
}
})