shoelace/docs/assets/plugins/theme-picker/theme-picker.js

83 wiersze
2.8 KiB
JavaScript

(() => {
if (!window.$docsify) {
throw new Error('Docsify must be loaded before installing this plugin.');
}
window.$docsify.plugins.push(hook => {
hook.mounted(() => {
function getTheme() {
return localStorage.getItem('theme') || 'auto';
}
function isDark() {
if (theme === 'auto') {
return window.matchMedia('(prefers-color-scheme: dark)').matches;
}
return theme === 'dark';
}
function setTheme(newTheme) {
const noTransitions = Object.assign(document.createElement('style'), {
textContent: '* { transition: none !important; }'
});
theme = newTheme;
localStorage.setItem('theme', theme);
// Update the UI
[...menu.querySelectorAll('sl-menu-item')].map(item => (item.checked = item.getAttribute('value') === theme));
menuIcon.name = isDark() ? 'moon' : 'sun';
// Toggle the dark mode class without transitions
document.body.appendChild(noTransitions);
requestAnimationFrame(() => {
document.documentElement.classList.toggle('sl-theme-dark', isDark());
requestAnimationFrame(() => document.body.removeChild(noTransitions));
});
}
let theme = getTheme();
// Generate the theme picker dropdown
const dropdown = document.createElement('sl-dropdown');
dropdown.classList.add('theme-picker');
dropdown.innerHTML = `
<sl-button size="small" pill slot="trigger" caret>
<sl-icon name="sun" label="Select Theme"></sl-icon>
</sl-button>
<sl-menu>
<sl-menu-label>Toggle <kbd>\\</kbd></sl-menu-label>
<sl-menu-item value="light">Light</sl-menu-item>
<sl-menu-item value="dark">Dark</sl-menu-item>
<sl-divider></sl-divider>
<sl-menu-item value="auto">Auto</sl-menu-item>
</sl-menu>
`;
document.querySelector('.sidebar-toggle').insertAdjacentElement('afterend', dropdown);
// Listen for selections
const menu = dropdown.querySelector('sl-menu');
const menuIcon = dropdown.querySelector('sl-icon');
menu.addEventListener('sl-select', event => setTheme(event.detail.item.value));
// Update the theme when the preference changes
window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', () => setTheme(theme));
// Toggle themes when pressing backslash
document.addEventListener('keydown', event => {
if (
event.key === '\\' &&
!event.composedPath().some(el => ['input', 'textarea'].includes(el?.tagName?.toLowerCase()))
) {
event.preventDefault();
setTheme(isDark() ? 'light' : 'dark');
}
});
// Set the initial theme and sync the UI
setTheme(theme);
});
});
})();