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)[] = []
lifecycle.addEventListener('statechange', (evt) => {
if (evt.newState === 'freeze')
frozenListeners.forEach(listener => listener())
else
state.value = evt.newState
})
const addFrozenListener = (listener: () => void) => {
frozenListeners.push(listener)
}
if (useAppConfig().pwaEnabled) {
addFrozenListener(() => {
if (navigator.serviceWorker.controller)
navigator.serviceWorker.controller.postMessage(ELK_PAGE_LIFECYCLE_FROZEN)
closeDatabases()
})
}
return {
provide: {
pageLifecycle: reactive({
state,
addFrozenListener,
}),
},
}
})