Spaces:
Running
on
Zero
Running
on
Zero
File size: 1,943 Bytes
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'use strict';
{
window.addEventListener('load', function(e) {
function setTheme(mode) {
if (mode !== "light" && mode !== "dark" && mode !== "auto") {
console.error(`Got invalid theme mode: ${mode}. Resetting to auto.`);
mode = "auto";
}
document.documentElement.dataset.theme = mode;
localStorage.setItem("theme", mode);
}
function cycleTheme() {
const currentTheme = localStorage.getItem("theme") || "auto";
const prefersDark = window.matchMedia("(prefers-color-scheme: dark)").matches;
if (prefersDark) {
// Auto (dark) -> Light -> Dark
if (currentTheme === "auto") {
setTheme("light");
} else if (currentTheme === "light") {
setTheme("dark");
} else {
setTheme("auto");
}
} else {
// Auto (light) -> Dark -> Light
if (currentTheme === "auto") {
setTheme("dark");
} else if (currentTheme === "dark") {
setTheme("light");
} else {
setTheme("auto");
}
}
}
function initTheme() {
// set theme defined in localStorage if there is one, or fallback to auto mode
const currentTheme = localStorage.getItem("theme");
currentTheme ? setTheme(currentTheme) : setTheme("auto");
}
function setupTheme() {
// Attach event handlers for toggling themes
const buttons = document.getElementsByClassName("theme-toggle");
Array.from(buttons).forEach((btn) => {
btn.addEventListener("click", cycleTheme);
});
initTheme();
}
setupTheme();
});
}
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