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path: root/static/js/util/setThemeBeforeRender.js
blob: b8f299ae644729bcba02f78638c32988c3087557 (plain)
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const preferredMode = window.matchMedia("(prefers-color-scheme: dark)").matches
  ? "DARK"
  : "LIGHT";
localStorage.setItem("theme", localStorage.getItem("theme") || preferredMode);

// sets theme before rendering & jquery loaded to prevent flashing of uninitialized theme
// (ugly white background)
document.documentElement.setAttribute("data-theme", preferredMode);