Files
breadcrumb-the-shire/web/js/components/app-toggle-sidebar.js
2026-02-04 23:31:53 +01:00

96 lines
2.8 KiB
JavaScript

export function initSidebarToggle(options = {}) {
const {
buttonSelector = '#toggle-aside',
asideSelector = '#app-sidebar',
containerSelector = '.app-container',
storageKey = 'app-sidebar-collapsed'
} = options;
const aside = document.querySelector(asideSelector);
if (!aside) return null;
const buttons = Array.from(document.querySelectorAll(buttonSelector));
const container = document.querySelector(containerSelector);
const root = document.documentElement;
const readStored = () => {
try {
return window.localStorage.getItem(storageKey);
} catch (error) {
return null;
}
};
const writeStored = (collapsed) => {
try {
window.localStorage.setItem(storageKey, collapsed ? '1' : '0');
} catch (error) {
// ignore storage errors
}
};
const applyState = (collapsed, { persist = false } = {}) => {
aside.classList.toggle('is-collapsed', collapsed);
if (container) {
container.classList.toggle('is-sidebar-collapsed', collapsed);
}
if (root) {
root.classList.toggle('sidebar-collapsed', collapsed);
}
buttons.forEach((button) => {
if (!button.getAttribute('aria-controls')) {
button.setAttribute('aria-controls', aside.id || 'app-sidebar');
}
button.setAttribute('aria-expanded', collapsed ? 'false' : 'true');
});
if (persist) {
writeStored(collapsed);
}
};
const isCollapsed = () => aside.classList.contains('is-collapsed');
const getInitialState = () => {
const stored = readStored();
if (stored === '1' || stored === '0') {
return stored === '1';
}
return root?.classList.contains('sidebar-collapsed') ?? false;
};
const controller = {
isCollapsed,
open: ({ persist = true } = {}) => applyState(false, { persist }),
close: ({ persist = true } = {}) => applyState(true, { persist }),
toggle: ({ persist = true } = {}) => applyState(!isCollapsed(), { persist }),
apply: (collapsed, { persist = false } = {}) => applyState(!!collapsed, { persist })
};
applyState(getInitialState(), { persist: false });
buttons.forEach((button) => {
button.addEventListener('click', (event) => {
event.preventDefault();
controller.toggle({ persist: true });
});
});
document.addEventListener('app:sidebar', (event) => {
const detail = event.detail || {};
const action = detail.action;
const persist = detail.persist ?? false;
if (action === 'open') controller.open({ persist });
if (action === 'close') controller.close({ persist });
if (action === 'toggle') controller.toggle({ persist });
});
window.AppSidebar = controller;
return controller;
}
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', () => initSidebarToggle());
} else {
initSidebarToggle();
}