17 lines
669 B
JavaScript
17 lines
669 B
JavaScript
// Theme initialization script to prevent flash. Inlined into the shell <head>
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// before first paint. Provenance: promoted from jpl-website/site/public/js.
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(function() {
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const getThemeFromCookie = () => {
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const matches = document.cookie.match(/theme=([^;]+)/);
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return matches ? matches[1] : null;
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};
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const theme = getThemeFromCookie() || 'dark';
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const html = document.documentElement;
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if (theme === 'dark' || (theme === 'system' && window.matchMedia('(prefers-color-scheme: dark)').matches)) {
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html.classList.add('dark');
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html.classList.remove('light');
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} else {
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html.classList.add('light');
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html.classList.remove('dark');
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}
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})();
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