blog/src/components/Button.astro
2025-04-13 11:18:47 +01:00

120 lines
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Text

---
import { moreLocales, themeConfig } from '@/config'
import { getNextGlobalLangPath, getNextSupportedLangPath } from '@/i18n/path'
import { isPostPage, isTagPage } from '@/utils/page'
interface Props {
supportedLangs: string[]
}
const { light: { background: lightMode }, dark: { background: darkMode } } = themeConfig.color
const { supportedLangs } = Astro.props
const currentPath = Astro.url.pathname
const isPost = isPostPage(currentPath)
const isTag = isTagPage(currentPath)
// Check if there are other languages to switch
const showLanguageSwitcher = moreLocales.length > 0
// Check if only the supported language switch list is used
const useSupportedLangs = isPost || (isTag && supportedLangs.length > 0)
// Choose a language switch list according to the page type
const nextUrl = useSupportedLangs
? getNextSupportedLangPath(currentPath, supportedLangs) // Switch between supported languages in post/tag page
: getNextGlobalLangPath(currentPath) // Switch between all languages in other pages
---
<div
class:list={[
'absolute flex gap-6 top-14.6 right-7.25vw min-[823px]:max-[1024px]:right-[calc(50vw-22rem)]',
'[@supports(-webkit-touch-callout:none)]:top-13.6', // fix position issue on ios
'lg:(fixed w-14rem top-auto bottom-47 right-[max(5.625rem,calc(50vw-34.375rem))])',
]}
>
<!-- Language Switcher -->
{showLanguageSwitcher && (
<a
href={nextUrl}
class="aspect-square w-4 c-secondary active:scale-90 hover:c-primary"
aria-label="Switch website language"
>
<svg
xmlns="http://www.w3.org/2000/svg"
viewBox="0 0 24 24"
aria-hidden="true"
class="h-full w-full"
fill="currentColor"
>
<path d="M19.1 21 12.4 2h-1.2L4.6 21l-2.5.2v.8h6.3v-.8L5.6 21l2-5.9h7.5l2 5.9-3.3.2v.8h8.1v-.8zM7.9 14.3l3.4-10.1 3.5 10.1z" />
</svg>
</a>
)}
<!-- Theme Toggle -->
<button
aria-label="Switch light/dark theme"
class="button-theme-toggle aspect-square w-4.2 c-secondary active:scale-90 hover:c-primary"
>
<svg
xmlns="http://www.w3.org/2000/svg"
viewBox="0 0 24 24"
aria-hidden="true"
fill="currentColor"
>
<path d="M12 1C5.9 1 1 5.9 1 12s4.9 11 11 11 11-4.9 11-11S18.1 1 12 1m0 20c-5.8 0-10.5-4-10.5-9S6.2 3 12 3s10.5 4 10.5 9-4.7 9-10.5 9" />
</svg>
</button>
</div>
<!-- Theme Toggle Script >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> -->
<script is:inline define:vars={{ lightMode, darkMode }}>
// Update theme
function updateTheme() {
// Toggle website theme
document.documentElement.classList.toggle('dark')
// Get current theme
const isDark = document.documentElement.classList.contains('dark')
// Update meta theme color
const metaThemeColor = document.querySelector('meta[name="theme-color"]')
if (metaThemeColor) {
metaThemeColor.setAttribute('content', isDark ? darkMode : lightMode)
}
// Update theme configuration in local storage
localStorage.setItem('theme', isDark ? 'dark' : 'light')
document.dispatchEvent(new Event('theme-changed'))
}
// Bind click event to the button
function setupThemeToggle() {
// Locate theme toggle button
const themeToggleButtons = document.querySelectorAll('.button-theme-toggle')
// Add click listener to each button
themeToggleButtons.forEach((button) => {
button.addEventListener('click', () => {
// If browser doesn't support View Transitions API, update theme directly
if (!document.startViewTransition) {
updateTheme()
return
}
// Temporarily add markers during animation to implement view transition and disable CSS transitions
document.documentElement.style.setProperty('view-transition-name', 'theme-transition')
document.documentElement.setAttribute('data-theme-transition', '')
// If browser supports View Transitions API, use it to update theme
const themeTransition = document.startViewTransition(updateTheme)
// Remove markers after animation
themeTransition.finished.then(() => {
document.documentElement.style.removeProperty('view-transition-name')
document.documentElement.removeAttribute('data-theme-transition')
})
})
})
}
// Initialize click event (on first load or page transition)
setupThemeToggle()
document.addEventListener('astro:page-load', setupThemeToggle)
</script>