luke-else.co.uk/src/lib/components/ThemeSwitcher.svelte

95 lines
2.1 KiB
Svelte

<script lang="ts">
import { browser } from '$app/environment';
export let darkMode: boolean = true;
function onThemeSwitch() {
darkMode = !darkMode;
localStorage.setItem('theme', darkMode ? 'dark' : 'light');
darkMode
? document.documentElement.classList.add('dark')
: document.documentElement.classList.remove('dark');
}
if (browser) {
if (
localStorage.theme === 'dark' ||
(!('theme' in localStorage) && window.matchMedia('(prefers-color-scheme: dark)').matches)
) {
document.documentElement.classList.add('dark');
darkMode = true;
} else {
document.documentElement.classList.remove('dark');
darkMode = false;
}
}
</script>
<style>
input {
display: none;
}
.switch {
position: absolute;
top: 0em;
right: 0em;
display: inline-block;
width: 3.75em;
height: 2.125em;
}
.slider {
position: absolute;
cursor: pointer;
background-color: var(--accent);
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: var(--accent);
-webkit-transition: .4s;
transition: .4s;
}
.slider:before {
position: absolute;
content: "";
height: 80%;
width: 45%;
left: 4px;
bottom: 4px;
background-color: var(--bg);
-webkit-transition: .4s;
transition: .4s;
}
input:checked + .slider:before {
-webkit-transform: translateX(1.625em);
-ms-transform: translateX(1.625em);
transform: translateX(1.625em);
}
.slider.round {
border-radius: 2.125em;
}
.slider.round:before {
border-radius: 50%;
}
</style>
<svelte:head>
<link rel="stylesheet" href={`/themes/${darkMode ? 'dark' : 'light'}.css`} />
</svelte:head>
<div class="toggle-wrapper not-required">
<label class="switch">
<input type="checkbox" checked={darkMode} on:click={onThemeSwitch}>
<span class="slider round"></span>
</label>
</div>