refactor: migrate to nuxt compatibilityVersion: 4 (#3298)

plugins/page-lifecycle.client.ts

@@ -1,45 +0,0 @@
-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)[] = []
-  const frozenState = useLocalStorage(ELK_PAGE_LIFECYCLE_FROZEN, false)
-
-  lifecycle.addEventListener('statechange', (evt) => {
-    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())
-    }
-    else {
-      state.value = evt.newState
-    }
-  })
-
-  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,
-      }),
-    },
-  }
-})