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Add automatic dark mode detection #633

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Add automatic dark mode detection #633

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17 changes: 16 additions & 1 deletion nyaa/static/js/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,8 +4,23 @@ document.addEventListener("DOMContentLoaded", function(event) { // wait for cont
toggleDarkMode(); // toggle theme
});
// needs to be done here as <body> is not available when the script in the head runs
if (typeof(Storage) !== 'undefined' && localStorage.getItem('theme') === 'dark')
if (typeof(Storage) !== 'undefined' && localStorage.getItem('theme') === 'dark') {
document.body.classList.add('dark');
} else if (window.matchMedia) {
const darkMedia = window.matchMedia('(prefers-color-scheme: dark)');
if (darkMedia.matches)
document.body.classList.add('dark');
// Some operating systems switch to dark mode only during the evening/night:
darkMedia.addEventListener('change', function(event) {
// Do not overwrite if the user made a manual choice:
if (localStorage.getItem('theme') === null) {
if (event.matches)
document.body.classList.add('dark');
else
document.body.classList.remove('dark');
}
});
}
});


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