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27 lines
1,002 B
JavaScript
27 lines
1,002 B
JavaScript
// Based on GitHub's favicon switcher. Temporary(?) fix for Chromium based browsers that won't dynamically update embedded CSS media query inside of SVG
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function updateFavicon(colorScheme) {
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const favicon = document.head.querySelector('.js-site-favicon[type="image/svg+xml"]')
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const faviconFallback = document.head.querySelector('.js-site-favicon[type="image/png"]')
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if (favicon && faviconFallback) {
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if (colorScheme || colorScheme == 'dark') {
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favicon.href = '_img/favicon-dark.svg';
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faviconFallback.href = '_img/favicon-dark.png';
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} else {
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favicon.href = '_img/favicon.svg';
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faviconFallback.href = '_img/favicon.png';
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}
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}
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}
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function prefersDarkColorScheme() {
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return window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches
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}
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if (prefersDarkColorScheme()) {
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// update favicon to dark on page load
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updateFavicon('dark')
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}
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window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', () => {
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updateFavicon(prefersDarkColorScheme())
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})
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