Bento/js/theme.js

let darkTheme = localStorage.getItem('darkTheme');
const themeToggle = document.querySelector('#themeButton');

const enableDark = () => {
    document.body.classList.add('darktheme');
    localStorage.setItem('darkTheme', 'enabled');
    themeToggle.innerHTML = `<i id="bicon" data-feather="moon"></i>`;
    feather.replace();
};

const disableDark = () => {
    document.body.classList.remove('darktheme');
    localStorage.setItem('darkTheme', null);
    themeToggle.innerHTML = `<i id="bicon" data-feather="sun"></i>`;
    feather.replace();
};

if (darkTheme === 'enabled') {
    enableDark();
} else {
    disableDark();
}

themeToggle.addEventListener('click', () => {
    darkTheme = localStorage.getItem('darkTheme');
    if (darkTheme !== 'enabled') {
        enableDark();
    } else {
        disableDark();
    }
});