47 lines
1.3 KiB
JavaScript
47 lines
1.3 KiB
JavaScript
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const localStorageKey = "theme";
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const isDark = () => {
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if (localStorage.getItem(localStorageKey) === "dark") return true;
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if (localStorage.getItem(localStorageKey) === "light") return false;
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return window.matchMedia("(prefers-color-scheme: dark)").matches;
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};
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const setupThemeToggle = () => {
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toggleVisibility = (dark) => {
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const themeToggleDarkIcon = document.getElementById(
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"theme-toggle-dark-icon",
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);
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const themeToggleLightIcon = document.getElementById(
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"theme-toggle-light-icon",
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);
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if (themeToggleDarkIcon == null || themeToggleLightIcon == null) return;
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const show = dark ? themeToggleDarkIcon : themeToggleLightIcon;
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const hide = dark ? themeToggleLightIcon : themeToggleDarkIcon;
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show.classList.remove("hidden", "text-transparent");
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hide.classList.add("hidden", "text-transparent");
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if (dark) {
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document.documentElement.classList.add("dark");
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} else {
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document.documentElement.classList.remove("dark");
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}
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try {
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localStorage.setItem(localStorageKey, dark ? "dark" : "light");
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} catch (_err) { }
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};
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toggleVisibility(isDark());
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document
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.getElementById("theme-toggle")
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.addEventListener("click", function() {
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toggleVisibility(!isDark());
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});
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};
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const darkModeHook = {
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mounted() {
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setupThemeToggle();
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},
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updated() { },
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};
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export default darkModeHook;
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