quartz-research-note/assets/js/darkmode.js

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JavaScript
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2021-07-18 13:35:42 +00:00
const userPref = window.matchMedia('(prefers-color-scheme: light)').matches ? 'light' : 'dark'
const currentTheme = localStorage.getItem('theme') ?? userPref
if (currentTheme) {
document.documentElement.setAttribute('saved-theme', currentTheme);
}
const switchTheme = (e) => {
if (e.target.checked) {
document.documentElement.setAttribute('saved-theme', 'dark')
localStorage.setItem('theme', 'dark')
}
else {
document.documentElement.setAttribute('saved-theme', 'light')
localStorage.setItem('theme', 'light')
}
}
window.addEventListener('DOMContentLoaded', () => {
// Darkmode toggle
const toggleSwitch = document.querySelector('#darkmode-toggle')
// listen for toggle
toggleSwitch.addEventListener('change', switchTheme, false)
if (currentTheme === 'dark') {
toggleSwitch.checked = true
}
})