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refactor: group dark mode logic to useDark (BewlyBewly#694)
* refactor: group dark mode logic to useDark * fix: cannot get the bewlyWrapper --------- Co-authored-by: hakadao <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| import { usePreferredDark } from '@vueuse/core' | ||
| import { settings } from '~/logic' | ||
|
|
||
| export function useDark() { | ||
| const isPreferredDark = usePreferredDark() | ||
| const currentSystemColorScheme = computed(() => isPreferredDark.value ? 'dark' : 'light') | ||
| const currentAppColorScheme = computed((): 'dark' | 'light' => { | ||
| if (settings.value.theme !== 'auto') | ||
| return settings.value.theme | ||
| else | ||
| return currentSystemColorScheme.value | ||
| }) | ||
| const isDark = computed(() => currentAppColorScheme.value === 'dark') | ||
|
|
||
| // Watch for changes in the 'settings.value.theme' variable and add the 'dark' class to the 'mainApp' element | ||
| // to prevent some Unocss dark-specific styles from failing to take effect | ||
| watch( | ||
| () => [settings.value.theme, isPreferredDark.value], | ||
| () => { | ||
| setAppAppearance() | ||
| }, | ||
| { immediate: true }, | ||
| ) | ||
|
|
||
| /** | ||
| * Watch for changes in the 'settings.value.theme' variable and add the 'dark' class to the 'mainApp' element | ||
| * to prevent some Unocss dark-specific styles from failing to take effect | ||
| */ | ||
| function setAppAppearance() { | ||
| if (isDark.value) { | ||
| document.querySelector('#bewly')?.classList.add('dark') | ||
| document.documentElement.classList.add('dark') | ||
| } | ||
| else { | ||
| document.querySelector('#bewly')?.classList.remove('dark') | ||
| document.documentElement.classList.remove('dark') | ||
| } | ||
| } | ||
|
|
||
| function toggleDark(e: MouseEvent) { | ||
| const updateThemeSettings = () => { | ||
| if (currentAppColorScheme.value !== currentSystemColorScheme.value) | ||
| settings.value.theme = 'auto' | ||
| else | ||
| settings.value.theme = isPreferredDark.value ? 'light' : 'dark' | ||
| } | ||
|
|
||
| const isAppearanceTransition = typeof document !== 'undefined' | ||
| // @ts-expect-error: Transition API | ||
| && document.startViewTransition | ||
| && !window.matchMedia('(prefers-reduced-motion: reduce)').matches | ||
| if (!isAppearanceTransition) { | ||
| updateThemeSettings() | ||
| } | ||
| else { | ||
| const x = e.clientX | ||
| const y = e.clientY | ||
| const endRadius = Math.hypot( | ||
| Math.max(x, innerWidth - x), | ||
| Math.max(y, innerHeight - y), | ||
| ) | ||
| // https://github.com/vueuse/vueuse/pull/3129 | ||
| const style = document.createElement('style') | ||
| const styleString = ` | ||
| *, *::before, *::after | ||
| {-webkit-transition:none!important;-moz-transition:none!important;-o-transition:none!important;-ms-transition:none!important;transition:none!important}` | ||
| style.appendChild(document.createTextNode(styleString)) | ||
| document.head.appendChild(style) | ||
|
|
||
| // Since the above normal dom style cannot be applied in shadow dom style | ||
| // We need to add this style again to the shadow dom | ||
| const shadowDomStyle = document.createElement('style') | ||
| const shadowDomStyleString = ` | ||
| *, *::before, *::after | ||
| {-webkit-transition:none!important;-moz-transition:none!important;-o-transition:none!important;-ms-transition:none!important;transition:none!important; will-change: background}` | ||
| shadowDomStyle.appendChild(document.createTextNode(shadowDomStyleString)) | ||
|
|
||
| const bewlyShadowRoot = document.getElementById('bewly')?.shadowRoot | ||
| const bewlyWrapper = bewlyShadowRoot?.getElementById('bewly-wrapper') | ||
| if (!bewlyWrapper) | ||
| throw new Error('mainAppRef is not found') | ||
|
|
||
| bewlyWrapper.appendChild(shadowDomStyle) | ||
|
|
||
| // @ts-expect-error: Transition API | ||
| const transition = document.startViewTransition(async () => { | ||
| updateThemeSettings() | ||
| await nextTick() | ||
| }) | ||
|
|
||
| transition.ready.then(() => { | ||
| const clipPath = [ | ||
| `circle(0px at ${x}px ${y}px)`, | ||
| `circle(${endRadius}px at ${x}px ${y}px)`, | ||
| ] | ||
| const animation = document.documentElement.animate( | ||
| { | ||
| clipPath: currentAppColorScheme.value === 'dark' | ||
| ? [...clipPath].reverse() | ||
| : clipPath, | ||
| }, | ||
| { | ||
| duration: 300, | ||
| easing: 'ease-in-out', | ||
| pseudoElement: currentAppColorScheme.value === 'dark' | ||
| ? '::view-transition-old(root)' | ||
| : '::view-transition-new(root)', | ||
| }, | ||
| ) | ||
| animation.addEventListener('finish', () => { | ||
| document.head.removeChild(style!) | ||
| bewlyWrapper.removeChild(shadowDomStyle!) | ||
| }, { once: true }) | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| return { | ||
| isDark, | ||
| toggleDark, | ||
| } | ||
| } |
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