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vitepress
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refactor: drop custom logic in favor of vueuse useDark (#2818)

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pull/2495/merge
Divyansh Singh 1 year ago committed by GitHub
parent 3c736c1c95
commit 9499953386
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 49 additions and 87 deletions
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4
docs/reference/site-config.md
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@ -426,7 +426,7 @@ When set to `true`, the production app will be built in [MPA Mode](../guide/mpa-
### appearance
- Type: `boolean | 'dark'`
- Type: `boolean | 'dark' | import('@vueuse/core').UseDarkOptions`
- Default: `true`
Whether to enable dark mode (by adding the `.dark` class to the `<html>` element).
@ -437,6 +437,8 @@ Whether to enable dark mode (by adding the `.dark` class to the `<html>` element
This option injects an inline script that restores users settings from local storage using the `vitepress-theme-appearance` key. This ensures the `.dark` class is applied before the page is rendered to avoid flickering.
`appearance.initialValue` can only be `'dark' | undefined`. Refs or getters are not supported.
### lastUpdated
- Type: `boolean`

33
src/client/app/data.ts
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@ -1,20 +1,22 @@
import siteData from '@siteData'
import { useDark } from '@vueuse/core'
import {
type InjectionKey,
type Ref,
computed,
inject,
readonly,
ref,
shallowRef
shallowRef,
type InjectionKey,
type Ref
} from 'vue'
import type { Route } from './router'
import siteData from '@siteData'
import {
type PageData,
type SiteData,
APPEARANCE_KEY,
createTitle,
resolveSiteDataByRoute,
createTitle
type PageData,
type SiteData
} from '../shared'
import type { Route } from './router'
export const dataSymbol: InjectionKey<VitePressData> = Symbol()
@ -67,6 +69,19 @@ export function initData(route: Route): VitePressData {
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),
@ -82,7 +97,7 @@ export function initData(route: Route): VitePressData {
description: computed(() => {
return route.data.description || site.value.description
}),
isDark: ref(false)
isDark
}
}

6
src/client/theme-default/components/VPSwitch.vue
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@ -18,7 +18,7 @@
flex-shrink: 0;
border: 1px solid var(--vp-input-border-color);
background-color: var(--vp-input-switch-bg-color);
transition: border-color 0.25s;
transition: border-color 0.25s !important;
}
.VPSwitch:hover {
@ -35,7 +35,7 @@
border-radius: 50%;
background-color: var(--vp-c-neutral-inverse);
box-shadow: var(--vp-shadow-1);
transition: transform 0.25s;
transition: transform 0.25s !important;
}
.icon {
@ -58,6 +58,6 @@
.dark .icon :deep(svg) {
fill: var(--vp-c-text-1);
transition: opacity 0.25s;
transition: opacity 0.25s !important;
}
</style>

75
src/client/theme-default/components/VPSwitchAppearance.vue
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@ -1,85 +1,18 @@
<script lang="ts" setup>
import { ref, onMounted, watch } from 'vue'
import { useData } from '../composables/data'
import { inBrowser, APPEARANCE_KEY } from '../../shared'
import VPSwitch from './VPSwitch.vue'
import VPIconSun from './icons/VPIconSun.vue'
import VPIconMoon from './icons/VPIconMoon.vue'
import VPIconSun from './icons/VPIconSun.vue'
const { site, isDark } = useData()
const checked = ref(false)
const toggle = inBrowser ? useAppearance() : () => {}
onMounted(() => {
checked.value = document.documentElement.classList.contains('dark')
})
function useAppearance() {
const query = window.matchMedia('(prefers-color-scheme: dark)')
const classList = document.documentElement.classList
let userPreference = localStorage.getItem(APPEARANCE_KEY)
let isDark =
(site.value.appearance === 'dark' && userPreference == null) ||
(userPreference === 'auto' || userPreference == null
? query.matches
: userPreference === 'dark')
query.onchange = (e) => {
if (userPreference === 'auto') {
setClass((isDark = e.matches))
}
}
function toggle() {
setClass((isDark = !isDark))
userPreference = isDark
? query.matches ? 'auto' : 'dark'
: query.matches ? 'light' : 'auto'
localStorage.setItem(APPEARANCE_KEY, userPreference)
}
function setClass(dark: boolean): void {
const css = document.createElement('style')
css.type = 'text/css'
css.appendChild(
document.createTextNode(
`:not(.VPSwitchAppearance):not(.VPSwitchAppearance *) {
-webkit-transition: none !important;
-moz-transition: none !important;
-o-transition: none !important;
-ms-transition: none !important;
transition: none !important;
}`
)
)
document.head.appendChild(css)
checked.value = dark
classList[dark ? 'add' : 'remove']('dark')
// @ts-expect-error keep unused declaration, used to force the browser to redraw
const _ = window.getComputedStyle(css).opacity
document.head.removeChild(css)
}
return toggle
}
watch(checked, (newIsDark) => {
isDark.value = newIsDark
})
const { isDark } = useData()
</script>
<template>
<VPSwitch
title="toggle dark mode"
class="VPSwitchAppearance"
:aria-checked="checked"
@click="toggle"
:aria-checked="isDark"
@click="isDark = !isDark"
>
<VPIconSun class="sun" />
<VPIconMoon class="moon" />

6
src/node/config.ts
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@ -249,7 +249,11 @@ function resolveSiteDataHead(userConfig?: UserConfig): HeadConfig[] {
// if appearance mode set to light or dark, default to the defined mode
// in case the user didn't specify a preference - otherwise, default to auto
const fallbackPreference =
userConfig?.appearance !== true ? userConfig?.appearance ?? '' : 'auto'
typeof userConfig?.appearance === 'string'
? userConfig?.appearance
: typeof userConfig?.appearance === 'object'
? userConfig.appearance.initialValue ?? 'auto'
: 'auto'
head.push([
'script',

6
src/node/siteConfig.ts
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@ -1,4 +1,5 @@
import type { Options as VuePluginOptions } from '@vitejs/plugin-vue'
import type { UseDarkOptions } from '@vueuse/core'
import type { SitemapStreamOptions } from 'sitemap'
import type { Logger, UserConfig as ViteConfig } from 'vite'
import type { SitemapItem } from './build/generateSitemap'
@ -68,7 +69,10 @@ export interface UserConfig<ThemeConfig = any>
locales?: LocaleConfig<ThemeConfig>
appearance?: boolean | 'dark'
appearance?:
| boolean
| 'dark'
| (Omit<UseDarkOptions, 'initialValue'> & { initialValue?: 'dark' })
lastUpdated?: boolean
contentProps?: Record<string, any>

6
types/shared.d.ts vendored
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@ -1,4 +1,5 @@
// types shared between server and client
import type { UseDarkOptions } from '@vueuse/core'
import type { SSRContext } from 'vue/server-renderer'
export type { DefaultTheme } from './default-theme.js'
@ -55,7 +56,10 @@ export interface SiteData<ThemeConfig = any> {
titleTemplate?: string | boolean
description: string
head: HeadConfig[]
appearance: boolean | 'dark'
appearance:
| boolean
| 'dark'
| (Omit<UseDarkOptions, 'initialValue'> & { initialValue?: 'dark' })
themeConfig: ThemeConfig
scrollOffset:
| number

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