congo/assets/js/appearance.js

42 lines
1.4 KiB
JavaScript

const browserIsDark =
window.matchMedia && window.matchMedia("(prefers-color-scheme: dark)").matches;
const sitePreference = document.documentElement.getAttribute("data-default-appearance");
const userPreference = localStorage.getItem("appearance");
const switcher = document.getElementById("appearance-switcher");
if (
(browserIsDark && userPreference === null) ||
(browserIsDark && userPreference === "dark") ||
(sitePreference === "dark" && userPreference === null) ||
(sitePreference === "dark" && userPreference === "dark") ||
userPreference === "dark"
) {
document.documentElement.classList.add("dark");
}
if (document.documentElement.getAttribute("data-auto-appearance") === "true") {
window.matchMedia("(prefers-color-scheme: dark)").addEventListener("change", (event) => {
if (event.matches) {
document.documentElement.classList.add("dark");
} else {
document.documentElement.classList.remove("dark");
}
});
}
window.addEventListener("DOMContentLoaded", (event) => {
if (switcher) {
switcher.addEventListener("click", () => {
document.documentElement.classList.toggle("dark");
localStorage.setItem(
"appearance",
document.documentElement.classList.contains("dark") ? "dark" : "light"
);
});
switcher.addEventListener("contextmenu", (event) => {
event.preventDefault();
localStorage.removeItem("appearance");
});
}
});