439 lines
13 KiB
JavaScript
439 lines
13 KiB
JavaScript
(function () {
|
|
'use strict';
|
|
|
|
const DATA = window.__WEBOOK__;
|
|
const navTree = DATA.nav || [];
|
|
const defaultFile = DATA.defaultFile;
|
|
const initialContent = DATA.initialContent;
|
|
|
|
// === DOM Elements ===
|
|
const sidebarNav = document.getElementById('sidebarNav');
|
|
const searchInput = document.getElementById('searchInput');
|
|
const btnToggleSidebar = document.getElementById('btnToggleSidebar');
|
|
const btnToggleTheme = document.getElementById('btnToggleTheme');
|
|
const contentBody = document.getElementById('contentBody');
|
|
const emptyState = document.getElementById('emptyState');
|
|
const markdownContent = document.getElementById('markdownContent');
|
|
const articleTitle = document.getElementById('articleTitle');
|
|
const articleMeta = document.getElementById('articleMeta');
|
|
const articleBody = document.getElementById('articleBody');
|
|
const tocNav = document.getElementById('tocNav');
|
|
const tocPanel = document.getElementById('tocPanel');
|
|
const loadingBar = document.getElementById('loadingBar');
|
|
const sidebar = document.getElementById('sidebar');
|
|
const mobileNavBtn = document.getElementById('mobileNavBtn');
|
|
|
|
let currentFile = null;
|
|
|
|
// === Theme ===
|
|
function getTheme() {
|
|
return localStorage.getItem('webook-theme') || 'light';
|
|
}
|
|
|
|
function setTheme(theme) {
|
|
document.documentElement.setAttribute('data-theme', theme);
|
|
localStorage.setItem('webook-theme', theme);
|
|
btnToggleTheme.textContent = theme === 'dark' ? '☀︎' : '☾';
|
|
|
|
// Swap highlight theme
|
|
const hlLink = document.querySelector('.theme-highlight');
|
|
if (hlLink) {
|
|
hlLink.href = theme === 'dark'
|
|
? '/_webook/highlight-dark.css'
|
|
: '/_webook/highlight-light.css';
|
|
}
|
|
}
|
|
|
|
function toggleTheme() {
|
|
const current = getTheme();
|
|
setTheme(current === 'light' ? 'dark' : 'light');
|
|
}
|
|
|
|
// Initialize theme
|
|
setTheme(getTheme());
|
|
|
|
// === Sidebar Toggle ===
|
|
function getSidebarVisible() {
|
|
return localStorage.getItem('webook-sidebar') !== 'hidden';
|
|
}
|
|
|
|
function setSidebarVisible(visible) {
|
|
if (visible) {
|
|
sidebar.classList.remove('collapsed');
|
|
localStorage.setItem('webook-sidebar', 'visible');
|
|
btnToggleSidebar.textContent = '☰';
|
|
} else {
|
|
sidebar.classList.add('collapsed');
|
|
localStorage.setItem('webook-sidebar', 'hidden');
|
|
btnToggleSidebar.textContent = '☷';
|
|
}
|
|
}
|
|
|
|
function toggleSidebar() {
|
|
setSidebarVisible(sidebar.classList.contains('collapsed'));
|
|
}
|
|
|
|
// Initialize sidebar state
|
|
setSidebarVisible(getSidebarVisible());
|
|
|
|
// === Mobile Sidebar ===
|
|
let sidebarOverlay = null;
|
|
|
|
function createOverlay() {
|
|
if (sidebarOverlay) return;
|
|
sidebarOverlay = document.createElement('div');
|
|
sidebarOverlay.className = 'sidebar-overlay';
|
|
sidebarOverlay.addEventListener('click', hideMobileSidebar);
|
|
document.body.appendChild(sidebarOverlay);
|
|
}
|
|
|
|
function showMobileSidebar() {
|
|
createOverlay();
|
|
sidebar.classList.add('mobile-visible');
|
|
sidebar.classList.remove('collapsed');
|
|
sidebarOverlay.classList.add('visible');
|
|
}
|
|
|
|
function hideMobileSidebar() {
|
|
sidebar.classList.remove('mobile-visible');
|
|
if (sidebarOverlay) {
|
|
sidebarOverlay.classList.remove('visible');
|
|
}
|
|
// Restore collapsed state if needed
|
|
if (!getSidebarVisible()) {
|
|
sidebar.classList.add('collapsed');
|
|
}
|
|
}
|
|
|
|
// === Navigation Rendering ===
|
|
function renderNavTree(items, level = 0) {
|
|
if (!items || items.length === 0) return '';
|
|
|
|
let html = '<ul class="nav-tree">';
|
|
for (const item of items) {
|
|
if (item.type === 'dir') {
|
|
html += `
|
|
<li class="nav-dir collapsed" data-path="${escapeHtml(item.path)}">
|
|
<div class="nav-dir-header" data-dir-path="${escapeHtml(item.path)}">
|
|
<span class="nav-dir-arrow">▾</span>
|
|
<span class="nav-dir-icon" aria-hidden="true"></span>
|
|
<span class="nav-dir-name">${escapeHtml(item.name)}</span>
|
|
</div>
|
|
<div class="nav-dir-children">
|
|
${renderNavTree(item.children, level + 1)}
|
|
</div>
|
|
</li>`;
|
|
} else {
|
|
const isActive = item.path === defaultFile;
|
|
html += `
|
|
<li class="nav-file${isActive ? ' active' : ''}" data-file-path="${escapeHtml(item.path)}">
|
|
<span class="nav-file-icon" aria-hidden="true"></span>
|
|
<span class="nav-file-name">${escapeHtml(item.meta ? item.meta.title : item.name)}</span>
|
|
</li>`;
|
|
}
|
|
}
|
|
html += '</ul>';
|
|
return html;
|
|
}
|
|
|
|
function escapeHtml(str) {
|
|
const div = document.createElement('div');
|
|
div.textContent = str;
|
|
return div.innerHTML;
|
|
}
|
|
|
|
// Render nav
|
|
sidebarNav.innerHTML = renderNavTree(navTree);
|
|
|
|
// === Navigation Events ===
|
|
sidebarNav.addEventListener('click', function (e) {
|
|
// Directory toggle
|
|
const dirHeader = e.target.closest('.nav-dir-header');
|
|
if (dirHeader) {
|
|
const dirItem = dirHeader.parentElement;
|
|
dirItem.classList.toggle('collapsed');
|
|
return;
|
|
}
|
|
|
|
// File click
|
|
const fileItem = e.target.closest('.nav-file');
|
|
if (fileItem) {
|
|
const filePath = fileItem.getAttribute('data-file-path');
|
|
loadFile(filePath);
|
|
setActiveFile(fileItem);
|
|
// On mobile, hide sidebar after selection
|
|
if (window.innerWidth <= 768) {
|
|
hideMobileSidebar();
|
|
}
|
|
}
|
|
});
|
|
|
|
function setActiveFile(fileItem) {
|
|
const prev = sidebarNav.querySelector('.nav-file.active');
|
|
if (prev) prev.classList.remove('active');
|
|
if (fileItem) fileItem.classList.add('active');
|
|
}
|
|
|
|
// === Search ===
|
|
searchInput.addEventListener('input', function () {
|
|
const query = this.value.trim().toLowerCase();
|
|
|
|
if (!query) {
|
|
// Show all
|
|
sidebarNav.querySelectorAll('.nav-hidden').forEach(el => el.classList.remove('nav-hidden'));
|
|
removeEmptyMessage();
|
|
return;
|
|
}
|
|
|
|
let hasVisible = false;
|
|
|
|
// Process directories
|
|
const dirs = sidebarNav.querySelectorAll('.nav-dir');
|
|
dirs.forEach(dir => {
|
|
let dirHasVisible = false;
|
|
|
|
const files = dir.querySelectorAll('.nav-file');
|
|
files.forEach(file => {
|
|
const name = file.querySelector('.nav-file-name').textContent.toLowerCase();
|
|
if (name.includes(query)) {
|
|
file.classList.remove('nav-hidden');
|
|
dirHasVisible = true;
|
|
} else {
|
|
file.classList.add('nav-hidden');
|
|
}
|
|
});
|
|
|
|
// Show/hide directory
|
|
if (dirHasVisible) {
|
|
dir.classList.remove('nav-hidden', 'collapsed');
|
|
hasVisible = true;
|
|
} else {
|
|
dir.classList.add('nav-hidden');
|
|
}
|
|
});
|
|
|
|
// Root-level files
|
|
const rootFiles = sidebarNav.querySelectorAll(':scope > .nav-tree > .nav-file');
|
|
rootFiles.forEach(file => {
|
|
const name = file.querySelector('.nav-file-name').textContent.toLowerCase();
|
|
if (name.includes(query)) {
|
|
file.classList.remove('nav-hidden');
|
|
hasVisible = true;
|
|
} else {
|
|
file.classList.add('nav-hidden');
|
|
}
|
|
});
|
|
|
|
if (!hasVisible) {
|
|
showEmptyMessage('未找到匹配的文件');
|
|
} else {
|
|
removeEmptyMessage();
|
|
}
|
|
});
|
|
|
|
function showEmptyMessage(msg) {
|
|
removeEmptyMessage();
|
|
const div = document.createElement('div');
|
|
div.className = 'nav-empty';
|
|
div.id = 'navEmptyMsg';
|
|
div.textContent = msg;
|
|
sidebarNav.appendChild(div);
|
|
}
|
|
|
|
function removeEmptyMessage() {
|
|
const existing = document.getElementById('navEmptyMsg');
|
|
if (existing) existing.remove();
|
|
}
|
|
|
|
// === File Loading ===
|
|
async function loadFile(filePath) {
|
|
if (currentFile === filePath) return;
|
|
|
|
currentFile = filePath;
|
|
showLoading();
|
|
|
|
try {
|
|
const resp = await fetch('/api/file?path=' + encodeURIComponent(filePath));
|
|
const json = await resp.json();
|
|
|
|
if (!json.success) {
|
|
throw new Error(json.error || 'Failed to load file');
|
|
}
|
|
|
|
const data = json.data;
|
|
|
|
// Update content
|
|
emptyState.style.display = 'none';
|
|
markdownContent.style.display = '';
|
|
|
|
articleTitle.textContent = data.title;
|
|
articleBody.innerHTML = data.html;
|
|
buildTOC();
|
|
|
|
// Update meta
|
|
const created = formatDate(data.meta.created);
|
|
const modified = formatDate(data.meta.modified);
|
|
const wordCount = data.meta.wordCount;
|
|
|
|
articleMeta.innerHTML = `
|
|
<span class="article-meta-item">📅 创建: ${created}</span>
|
|
<span class="article-meta-item">✏️ 修改: ${modified}</span>
|
|
<span class="article-meta-item">📝 字数: ${wordCount.toLocaleString()}</span>
|
|
`;
|
|
|
|
// Scroll to top
|
|
contentBody.scrollTop = 0;
|
|
|
|
// Update URL hash
|
|
if (history.pushState) {
|
|
history.pushState(null, '', '#' + encodeURIComponent(filePath));
|
|
}
|
|
|
|
// Apply syntax highlighting to code blocks in content
|
|
applyHighlighting();
|
|
} catch (err) {
|
|
emptyState.style.display = 'flex';
|
|
emptyState.querySelector('p').textContent = '加载失败: ' + err.message;
|
|
markdownContent.style.display = 'none';
|
|
} finally {
|
|
hideLoading();
|
|
}
|
|
}
|
|
|
|
function showLoading() {
|
|
loadingBar.classList.add('visible');
|
|
loadingBar.classList.remove('done');
|
|
}
|
|
|
|
function hideLoading() {
|
|
loadingBar.classList.add('done');
|
|
setTimeout(() => {
|
|
loadingBar.classList.remove('visible', 'done');
|
|
}, 350);
|
|
}
|
|
|
|
function formatDate(isoStr) {
|
|
if (!isoStr) return '-';
|
|
const d = new Date(isoStr);
|
|
const y = d.getFullYear();
|
|
const m = String(d.getMonth() + 1).padStart(2, '0');
|
|
const day = String(d.getDate()).padStart(2, '0');
|
|
const h = String(d.getHours()).padStart(2, '0');
|
|
const min = String(d.getMinutes()).padStart(2, '0');
|
|
return `${y}-${m}-${day} ${h}:${min}`;
|
|
}
|
|
|
|
function applyHighlighting() {
|
|
// highlight.js is loaded via CDN or bundled, but we handle it server-side.
|
|
// If any code blocks need client-side highlighting, do it here.
|
|
// For now, server-side rendering handles highlighting.
|
|
}
|
|
|
|
function slugifyHeading(text, index) {
|
|
return 'toc-' + text
|
|
.toLowerCase()
|
|
.replace(/['"`]/g, '')
|
|
.replace(/[^a-z0-9\u4e00-\u9fff]+/g, '-')
|
|
.replace(/^-+|-+$/g, '') + '-' + index;
|
|
}
|
|
|
|
function buildTOC() {
|
|
if (!tocNav || !tocPanel) return;
|
|
const headings = articleBody.querySelectorAll('h2, h3, h4');
|
|
if (!headings.length) {
|
|
tocPanel.classList.add('toc-empty');
|
|
tocNav.innerHTML = '<div class="toc-empty-state">当前页面没有可用目录</div>';
|
|
return;
|
|
}
|
|
|
|
tocPanel.classList.remove('toc-empty');
|
|
const items = [];
|
|
headings.forEach((heading, index) => {
|
|
const level = Number(heading.tagName.slice(1));
|
|
if (!heading.id) {
|
|
heading.id = slugifyHeading(heading.textContent || 'section', index);
|
|
}
|
|
items.push({
|
|
id: heading.id,
|
|
text: heading.textContent.trim(),
|
|
level
|
|
});
|
|
});
|
|
|
|
tocNav.innerHTML = items.map((item) => `
|
|
<a class="toc-link toc-level-${item.level}" href="#${escapeHtml(item.id)}" data-target="${escapeHtml(item.id)}">
|
|
<span class="toc-bullet"></span>
|
|
<span class="toc-text">${escapeHtml(item.text)}</span>
|
|
</a>
|
|
`).join('');
|
|
}
|
|
|
|
// === Initial Load ===
|
|
if (initialContent) {
|
|
emptyState.style.display = 'none';
|
|
markdownContent.style.display = '';
|
|
articleTitle.textContent = initialContent.title;
|
|
articleBody.innerHTML = initialContent.html;
|
|
buildTOC();
|
|
|
|
const created = formatDate(initialContent.meta.created);
|
|
const modified = formatDate(initialContent.meta.modified);
|
|
const wordCount = initialContent.meta.wordCount;
|
|
articleMeta.innerHTML = `
|
|
<span class="article-meta-item">📅 创建: ${created}</span>
|
|
<span class="article-meta-item">✏️ 修改: ${modified}</span>
|
|
<span class="article-meta-item">📝 字数: ${wordCount.toLocaleString()}</span>
|
|
`;
|
|
|
|
currentFile = defaultFile;
|
|
if (defaultFile && history.replaceState) {
|
|
history.replaceState(null, '', '#' + encodeURIComponent(defaultFile));
|
|
}
|
|
}
|
|
|
|
// === Hash-based navigation ===
|
|
function handleHashChange() {
|
|
const hash = decodeURIComponent(window.location.hash.slice(1));
|
|
if (hash && hash !== currentFile) {
|
|
loadFile(hash);
|
|
// Find and activate the nav item
|
|
const fileItem = sidebarNav.querySelector(`[data-file-path="${CSS.escape(hash)}"]`);
|
|
if (fileItem) {
|
|
setActiveFile(fileItem);
|
|
}
|
|
}
|
|
}
|
|
|
|
window.addEventListener('hashchange', handleHashChange);
|
|
|
|
// === Event Listeners ===
|
|
btnToggleTheme.addEventListener('click', toggleTheme);
|
|
btnToggleSidebar.addEventListener('click', toggleSidebar);
|
|
mobileNavBtn.addEventListener('click', showMobileSidebar);
|
|
|
|
// === Keyboard Shortcuts ===
|
|
document.addEventListener('keydown', function (e) {
|
|
// Ctrl+K or Cmd+K: focus search
|
|
if ((e.ctrlKey || e.metaKey) && e.key === 'k') {
|
|
e.preventDefault();
|
|
searchInput.focus();
|
|
searchInput.select();
|
|
}
|
|
|
|
// Escape: clear search
|
|
if (e.key === 'Escape' && document.activeElement === searchInput) {
|
|
searchInput.value = '';
|
|
searchInput.dispatchEvent(new Event('input'));
|
|
searchInput.blur();
|
|
}
|
|
});
|
|
|
|
// Close mobile sidebar on Escape
|
|
document.addEventListener('keydown', function (e) {
|
|
if (e.key === 'Escape' && sidebar.classList.contains('mobile-visible')) {
|
|
hideMobileSidebar();
|
|
}
|
|
});
|
|
|
|
})();
|