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vitepress/src/client/app/data.ts

111 lines
2.5 KiB

import siteData from '@siteData'
import { useDark } from '@vueuse/core'
import {
computed,
inject,
readonly,
ref,
shallowRef,
type InjectionKey,
type Ref
} from 'vue'
import {
APPEARANCE_KEY,
createTitle,
resolveSiteDataByRoute,
type PageData,
type SiteData
} from '../shared'
import type { Route } from './router'
export const dataSymbol: InjectionKey<VitePressData> = Symbol()
export interface VitePressData<T = any> {
/**
* Site-level metadata
*/
site: Ref<SiteData<T>>
/**
* themeConfig from .vitepress/config.js
*/
theme: Ref<T>
/**
* Page-level metadata
*/
page: Ref<PageData>
/**
* page frontmatter data
*/
frontmatter: Ref<PageData['frontmatter']>
/**
* dynamic route params
*/
params: Ref<PageData['params']>
title: Ref<string>
description: Ref<string>
lang: Ref<string>
isDark: Ref<boolean>
dir: Ref<string>
localeIndex: Ref<string>
}
// site data is a singleton
export const siteDataRef: Ref<SiteData> = shallowRef(
(import.meta.env.PROD ? siteData : readonly(siteData)) as SiteData
)
// hmr
if (import.meta.hot) {
import.meta.hot.accept('/@siteData', (m) => {
if (m) {
siteDataRef.value = m.default
}
})
}
// per-app data
export function initData(route: Route): VitePressData {
const site = computed(() =>
resolveSiteDataByRoute(siteDataRef.value, route.data.relativePath)
)
const isDark = site.value.appearance
? useDark({
storageKey: APPEARANCE_KEY,
initialValue: () =>
typeof site.value.appearance === 'string'
? site.value.appearance
: 'auto',
...(typeof site.value.appearance === 'object'
? site.value.appearance
: {})
})
: ref(false)
return {
site,
theme: computed(() => site.value.themeConfig),
page: computed(() => route.data),
frontmatter: computed(() => route.data.frontmatter),
params: computed(() => route.data.params),
lang: computed(() => site.value.lang),
dir: computed(() => site.value.dir),
localeIndex: computed(() => site.value.localeIndex || 'root'),
title: computed(() => {
return createTitle(site.value, route.data)
}),
description: computed(() => {
return route.data.description || site.value.description
}),
isDark
}
}
export function useData<T = any>(): VitePressData<T> {
const data = inject(dataSymbol)
if (!data) {
throw new Error('vitepress data not properly injected in app')
}
return data
}