зеркало из https://github.com/docker/docs.git
21 строка
779 B
JavaScript
21 строка
779 B
JavaScript
// return 'light' or 'dark' depending on localStorage (pref) or system setting
|
|
function getThemePreference() {
|
|
const theme = localStorage.getItem("theme-preference");
|
|
if (theme) return theme;
|
|
else
|
|
return window.matchMedia("(prefers-color-scheme: dark)").matches
|
|
? "dark"
|
|
: "light";
|
|
}
|
|
|
|
// update root class based on os setting or localstorage
|
|
const preference = getThemePreference();
|
|
document.firstElementChild.className = preference === "dark" ? "dark" : "light";
|
|
localStorage.setItem("theme-preference", preference);
|
|
|
|
// set innertext for the theme switch button
|
|
// window.addEventListener("DOMContentLoaded", () => {
|
|
// const themeSwitchButton = document.querySelector("#theme-switch");
|
|
// themeSwitchButton.textContent = `${preference}_mode`;
|
|
// });
|