roadmap/assets/js/darkmode.js

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1.4 KiB
JavaScript
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const userPref = window.matchMedia('(prefers-color-scheme: light)').matches ? 'light' : 'dark'
const currentTheme = localStorage.getItem('theme') ?? userPref
const syntaxTheme = document.querySelector("#theme-link");
{{ $darkSyntax := resources.Get "styles/_dark_syntax.scss" | resources.ToCSS (dict "outputStyle" "compressed") | resources.Fingerprint "md5" | resources.Minify }}
{{ $lightSyntax := resources.Get "styles/_light_syntax.scss" | resources.ToCSS (dict "outputStyle" "compressed") | resources.Fingerprint "md5" | resources.Minify }}
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if (currentTheme) {
document.documentElement.setAttribute('saved-theme', currentTheme);
syntaxTheme.href = currentTheme === 'dark' ? '{{ $darkSyntax.Permalink }}' : '{{ $lightSyntax.Permalink }}';
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}
const switchTheme = (e) => {
if (e.target.checked) {
document.documentElement.setAttribute('saved-theme', 'dark');
localStorage.setItem('theme', 'dark');
syntaxTheme.href = '{{ $darkSyntax.Permalink }}';
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}
else {
document.documentElement.setAttribute('saved-theme', 'light')
localStorage.setItem('theme', 'light')
syntaxTheme.href = '{{ $lightSyntax.Permalink }}';
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}
}
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
}
})