Spaces:
Running
Running
File size: 2,506 Bytes
685e752 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | class ThemeToggle extends HTMLElement {
connectedCallback() {
this.attachShadow({ mode: 'open' });
this.shadowRoot.innerHTML = `
<style>
.toggle-container {
display: inline-flex;
align-items: center;
cursor: pointer;
}
.toggle {
position: relative;
width: 44px;
height: 24px;
background-color: #e2e8f0;
border-radius: 12px;
margin: 0 8px;
transition: background-color 0.3s;
}
.toggle.dark {
background-color: #4a5568;
}
.slider {
position: absolute;
width: 20px;
height: 20px;
background-color: white;
border-radius: 50%;
top: 2px;
left: 2px;
transition: transform 0.3s;
}
.dark .slider {
transform: translateX(20px);
}
.icon {
width: 16px;
height: 16px;
}
.light-icon {
color: #f59e0b;
}
.dark-icon {
color: #a0aec0;
}
</style>
<div class="toggle-container">
<i data-feather="sun" class="icon light-icon"></i>
<div class="toggle">
<div class="slider"></div>
</div>
<i data-feather="moon" class="icon dark-icon"></i>
</div>
`;
const toggle = this.shadowRoot.querySelector('.toggle');
const slider = this.shadowRoot.querySelector('.slider');
// Check for saved theme preference or use system preference
const savedTheme = localStorage.getItem('darkMode');
const systemDark = window.matchMedia('(prefers-color-scheme: dark)').matches;
if (savedTheme === null ? systemDark : savedTheme === 'true') {
document.documentElement.classList.add('dark');
toggle.classList.add('dark');
slider.classList.add('dark');
}
// Add click event listener
this.shadowRoot.querySelector('.toggle-container').addEventListener('click', () => {
const isDark = document.documentElement.classList.toggle('dark');
toggle.classList.toggle('dark');
slider.classList.toggle('dark');
localStorage.setItem('darkMode', isDark);
// Dispatch event for other components to listen to
document.dispatchEvent(new CustomEvent('themeChanged', { detail: { isDark } }));
});
// Initialize feather icons
feather.replace();
}
}
customElements.define('theme-toggle', ThemeToggle); |