46 lines
1.4 KiB
JavaScript
46 lines
1.4 KiB
JavaScript
const DARK_MODE_CLASS = "dark-mode";
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const STORAGE_KEY = "dark-mode";
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const htmlTag = document.getElementsByTagName("html")[0];
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const darkModeToggle = document.getElementById("dark-mode-toggle");
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const matchesDarkMode = window.matchMedia("(prefers-color-scheme: dark)");
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const darkModeCodeStyles = document.getElementById("pygments-dark");
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const lightModeCodeStyles = document.getElementById("pygments-light");
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function handleDarkMode(darkMode) {
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window.localStorage.setItem(STORAGE_KEY, darkMode.toString());
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if (darkMode) {
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htmlTag.classList.add(DARK_MODE_CLASS);
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} else {
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htmlTag.classList.remove(DARK_MODE_CLASS);
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}
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if (darkModeCodeStyles) {
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darkModeCodeStyles.sheet.disabled = !darkMode;
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lightModeCodeStyles.sheet.disabled = darkMode;
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}
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}
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if (window.localStorage.getItem(STORAGE_KEY) === null) {
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window.localStorage.setItem(STORAGE_KEY, matchesDarkMode.matches);
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handleDarkMode(matchesDarkMode.matches);
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} else {
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handleDarkMode(window.localStorage.getItem(STORAGE_KEY) === "true");
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}
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window.addEventListener("load", () => {
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matchesDarkMode.addEventListener("change", (event) =>
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handleDarkMode(event.matches)
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);
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darkModeToggle.addEventListener("click", () => {
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handleDarkMode(window.localStorage.getItem(STORAGE_KEY) !== "true");
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});
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window.setTimeout(() => {
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htmlTag.classList.add("dark-mode-animate");
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}, 1000);
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});
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