mirror of https://github.com/elk-zone/elk.git
60 lines
1.9 KiB
TypeScript
60 lines
1.9 KiB
TypeScript
import type { ComponentInternalInstance } from 'vue'
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import { onActivated, onDeactivated, ref } from 'vue'
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import type { ActiveHeadEntry, HeadEntryOptions, UseHeadInput } from '@vueuse/head'
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import type { HeadAugmentations } from '@nuxt/schema'
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import { useHead } from '#head'
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export const isHydrated = ref(false)
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/**
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* ### Whether the current component is running in the background
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*
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* for handling problems caused by the keepalive function
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*/
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export function useDeactivated() {
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const deactivated = ref(false)
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onActivated(() => deactivated.value = false)
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onDeactivated(() => deactivated.value = true)
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return deactivated
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}
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/**
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* ### When the component is restored from the background
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*
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* for handling problems caused by the keepalive function
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*/
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export function onReactivated(hook: Function, target?: ComponentInternalInstance | null): void {
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const initial = ref(true)
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onActivated(() => {
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if (initial.value)
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return
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hook()
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}, target)
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onDeactivated(() => initial.value = false)
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}
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// TODO: Workaround for Nuxt bug: https://github.com/elk-zone/elk/pull/199#issuecomment-1329771961
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export function useHeadFixed<T extends HeadAugmentations>(input: UseHeadInput<T>, options?: HeadEntryOptions): ActiveHeadEntry<UseHeadInput<T>> | void {
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const deactivated = useDeactivated()
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if (input && typeof input === 'object' && !('value' in input)) {
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const title = 'title' in input ? input.title : undefined
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if (process.server && title) {
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input.meta = input.meta || []
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if (Array.isArray(input.meta)) {
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input.meta.push(
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{ property: 'og:title', content: (typeof input.title === 'function' ? input.title() : input.title) as string },
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)
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}
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}
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else if (title) {
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(input as any).title = () => isHydrated.value ? typeof title === 'function' ? title() : title : ''
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}
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}
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return useHead(() => {
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if (deactivated.value)
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return {}
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return resolveUnref(input)
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}, options)
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}
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