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File size: 2,902 Bytes
e7cdb95 | 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 | class ThemeToggle extends HTMLElement {
connectedCallback() {
this.attachShadow({ mode: 'open' });
this.shadowRoot.innerHTML = `
<style>
.toggle-container {
position: fixed;
top: 1rem;
right: 1rem;
z-index: 1000;
}
.toggle-btn {
background: var(--tw-gradient-to);
border: none;
border-radius: 50%;
width: 2.5rem;
height: 2.5rem;
display: flex;
align-items: center;
justify-content: center;
cursor: pointer;
transition: all 0.3s ease;
box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}
.toggle-btn:hover {
transform: scale(1.1);
}
.toggle-btn:focus {
outline: none;
ring: 2px solid rgba(59, 130, 246, 0.5);
}
.icon {
width: 1.25rem;
height: 1.25rem;
color: white;
}
</style>
<div class="toggle-container">
<button class="toggle-btn bg-gray-800 dark:bg-yellow-400">
<span class="icon">
<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor">
<path id="sun-icon" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 3v1m0 16v1m9-9h-1M4 12H3m15.364 6.364l-.707-.707M6.343 6.343l-.707-.707m12.728 0l-.707.707M6.343 17.657l-.707.707M16 12a4 4 0 11-8 0 4 4 0 018 0z" />
<path id="moon-icon" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M20.354 15.354A9 9 0 018.646 3.646 9.003 9.003 0 0012 21a9.003 9.003 0 008.354-5.646z" style="display: none;" />
</svg>
</span>
</button>
</div>
`;
this.button = this.shadowRoot.querySelector('.toggle-btn');
this.sunIcon = this.shadowRoot.querySelector('#sun-icon');
this.moonIcon = this.shadowRoot.querySelector('#moon-icon');
this.button.addEventListener('click', () => this.toggleTheme());
this.initTheme();
}
initTheme() {
const savedTheme = localStorage.getItem('theme') || 'light';
document.documentElement.setAttribute('data-theme', savedTheme);
this.updateUI(savedTheme);
}
toggleTheme() {
const currentTheme = document.documentElement.getAttribute('data-theme');
const newTheme = currentTheme === 'dark' ? 'light' : 'dark';
document.documentElement.setAttribute('data-theme', newTheme);
localStorage.setItem('theme', newTheme);
this.updateUI(newTheme);
}
updateUI(theme) {
if (theme === 'dark') {
this.sunIcon.style.display = 'none';
this.moonIcon.style.display = 'block';
} else {
this.sunIcon.style.display = 'block';
this.moonIcon.style.display = 'none';
}
}
}
customElements.define('custom-theme-toggle', ThemeToggle); |