736 lines
22 KiB
JavaScript
736 lines
22 KiB
JavaScript
(function () {
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'use strict';
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const DATA = window.__WEBOOK__;
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const navTree = DATA.nav || [];
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const themes = Array.isArray(DATA.themes) ? DATA.themes : [];
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const defaultFile = DATA.defaultFile;
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const initialContent = DATA.initialContent;
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// === DOM Elements ===
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const sidebarNav = document.getElementById('sidebarNav');
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const searchInput = document.getElementById('searchInput');
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const btnToggleSidebarToolbar = document.getElementById('btnToggleSidebarToolbar');
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const btnToggleTheme = document.getElementById('btnToggleTheme');
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const btnToggleToc = document.getElementById('btnToggleToc');
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const themeSelect = document.getElementById('themeSelect');
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const toolbarBreadcrumb = document.getElementById('toolbarBreadcrumb');
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const contentBody = document.getElementById('contentBody');
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const emptyState = document.getElementById('emptyState');
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const markdownContent = document.getElementById('markdownContent');
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const articleTitle = document.getElementById('articleTitle');
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const articleMeta = document.getElementById('articleMeta');
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const articleBody = document.getElementById('articleBody');
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const articleLayout = document.querySelector('.article-layout');
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const tocNav = document.getElementById('tocNav');
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const tocPanel = document.getElementById('tocPanel');
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const loadingBar = document.getElementById('loadingBar');
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const sidebar = document.getElementById('sidebar');
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const app = document.getElementById('app');
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const mobileNavBtn = document.getElementById('mobileNavBtn');
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const themeStylesheet = document.getElementById('themeStylesheet');
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const themeHighlightStylesheet = document.getElementById('themeHighlightStylesheet');
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const sidebarToggleButtons = [btnToggleSidebarToolbar].filter(Boolean);
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function createSidebarToggleIcon() {
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return '<i data-lucide="panel-left" aria-hidden="true"></i>';
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}
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function createThemeToggleIcon(mode) {
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return mode === 'dark'
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? '<i data-lucide="sun" aria-hidden="true"></i>'
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: '<i data-lucide="moon" aria-hidden="true"></i>';
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}
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function createTocToggleIcon(collapsed) {
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return collapsed
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? '<i data-lucide="chevrons-left" aria-hidden="true"></i>'
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: '<i data-lucide="chevrons-right" aria-hidden="true"></i>';
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}
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function refreshLucideIcons() {
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if (window.lucide && typeof window.lucide.createIcons === 'function') {
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window.lucide.createIcons();
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}
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}
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let currentFile = null;
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const titleByPath = buildTitleIndex(navTree);
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const fallbackTheme = themes[0] || {
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id: 'default',
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label: 'Default',
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defaultMode: 'light',
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stylesheet: '/_webook/themes/default/theme.css',
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highlight: {
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light: '/_webook/themes/default/highlight-light.css',
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dark: '/_webook/themes/default/highlight-dark.css'
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}
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};
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// === Theme ===
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function getThemeConfig(themeId) {
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return themes.find((item) => item.id === themeId) || fallbackTheme;
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}
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function getStoredThemeId() {
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const stored = localStorage.getItem('webook-theme-id');
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if (stored && themes.some((item) => item.id === stored)) {
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return stored;
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}
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return DATA.initialThemeId || fallbackTheme.id;
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}
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function getStoredColorMode(themeId) {
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const stored = localStorage.getItem('webook-color-mode');
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if (stored === 'light' || stored === 'dark') {
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return stored;
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}
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const legacy = localStorage.getItem('webook-theme');
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if (legacy === 'light' || legacy === 'dark') {
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return legacy;
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}
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const theme = getThemeConfig(themeId);
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return theme.defaultMode === 'dark' ? 'dark' : 'light';
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}
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function renderThemeOptions() {
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if (!themeSelect) return;
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themeSelect.innerHTML = themes.map((item) => (
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`<option value="${escapeHtml(item.id)}">${escapeHtml(item.label)}</option>`
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)).join('');
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}
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function applyTheme(themeId, colorMode) {
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const theme = getThemeConfig(themeId);
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const mode = colorMode === 'dark' ? 'dark' : 'light';
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document.documentElement.setAttribute('data-theme-id', theme.id);
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document.documentElement.setAttribute('data-color-mode', mode);
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localStorage.setItem('webook-theme-id', theme.id);
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localStorage.setItem('webook-color-mode', mode);
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localStorage.setItem('webook-theme', mode);
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if (themeStylesheet) {
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themeStylesheet.href = theme.stylesheet;
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}
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if (themeHighlightStylesheet) {
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themeHighlightStylesheet.href = mode === 'dark' ? theme.highlight.dark : theme.highlight.light;
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}
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if (themeSelect) {
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themeSelect.value = theme.id;
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}
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btnToggleTheme.innerHTML = createThemeToggleIcon(mode);
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btnToggleTheme.title = mode === 'dark' ? '切换到浅色模式' : '切换到深色模式';
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btnToggleTheme.setAttribute('aria-label', btnToggleTheme.title);
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refreshLucideIcons();
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}
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function toggleColorMode() {
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const currentThemeId = getStoredThemeId();
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const currentMode = getStoredColorMode(currentThemeId);
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applyTheme(currentThemeId, currentMode === 'dark' ? 'light' : 'dark');
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}
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renderThemeOptions();
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applyTheme(getStoredThemeId(), getStoredColorMode(getStoredThemeId()));
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// === Sidebar Toggle ===
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function getSidebarVisible() {
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return localStorage.getItem('webook-sidebar') !== 'hidden';
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}
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function setSidebarVisible(visible) {
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if (visible) {
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sidebar.classList.remove('collapsed');
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app.classList.remove('sidebar-collapsed');
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localStorage.setItem('webook-sidebar', 'visible');
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} else {
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sidebar.classList.add('collapsed');
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app.classList.add('sidebar-collapsed');
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localStorage.setItem('webook-sidebar', 'hidden');
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}
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const title = visible ? '隐藏侧边栏' : '显示侧边栏';
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const iconMarkup = createSidebarToggleIcon();
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sidebarToggleButtons.forEach((button) => {
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button.innerHTML = iconMarkup;
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button.title = title;
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button.setAttribute('aria-label', title);
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});
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refreshLucideIcons();
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}
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function toggleSidebar() {
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setSidebarVisible(sidebar.classList.contains('collapsed'));
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}
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// Initialize sidebar state
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setSidebarVisible(getSidebarVisible());
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// === Mobile Sidebar ===
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let sidebarOverlay = null;
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function createOverlay() {
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if (sidebarOverlay) return;
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sidebarOverlay = document.createElement('div');
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sidebarOverlay.className = 'sidebar-overlay';
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sidebarOverlay.addEventListener('click', hideMobileSidebar);
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document.body.appendChild(sidebarOverlay);
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}
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function showMobileSidebar() {
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createOverlay();
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sidebar.classList.add('mobile-visible');
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sidebar.classList.remove('collapsed');
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sidebarOverlay.classList.add('visible');
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}
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if (mobileNavBtn) {
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mobileNavBtn.innerHTML = createSidebarToggleIcon();
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refreshLucideIcons();
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}
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// === TOC Toggle ===
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function getTocCollapsed() {
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return localStorage.getItem('webook-toc') === 'collapsed';
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}
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function setTocCollapsed(collapsed) {
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if (!tocPanel || !articleLayout || !btnToggleToc) return;
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tocPanel.classList.toggle('is-collapsed', collapsed);
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articleLayout.classList.toggle('toc-collapsed', collapsed);
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localStorage.setItem('webook-toc', collapsed ? 'collapsed' : 'expanded');
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const title = collapsed ? '展开目录' : '收起目录';
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btnToggleToc.innerHTML = createTocToggleIcon(collapsed);
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btnToggleToc.title = title;
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btnToggleToc.setAttribute('aria-label', title);
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refreshLucideIcons();
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}
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function toggleToc() {
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setTocCollapsed(!getTocCollapsed());
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}
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setTocCollapsed(getTocCollapsed());
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function hideMobileSidebar() {
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sidebar.classList.remove('mobile-visible');
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if (sidebarOverlay) {
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sidebarOverlay.classList.remove('visible');
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}
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// Restore collapsed state if needed
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if (!getSidebarVisible()) {
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sidebar.classList.add('collapsed');
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}
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}
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// === Navigation Rendering ===
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function renderNavTree(items, level = 0) {
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if (!items || items.length === 0) return '';
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let html = '<ul class="nav-tree">';
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for (const item of items) {
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if (item.type === 'dir') {
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html += `
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<li class="nav-dir collapsed" data-path="${escapeHtml(item.path)}">
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<div class="nav-dir-header" data-dir-path="${escapeHtml(item.path)}">
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<span class="nav-dir-arrow">▾</span>
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<span class="nav-dir-icon" aria-hidden="true"><i data-lucide="folder" aria-hidden="true"></i></span>
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<span class="nav-dir-name">${escapeHtml(item.name)}</span>
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</div>
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<div class="nav-dir-children">
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${renderNavTree(item.children, level + 1)}
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</div>
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</li>`;
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} else {
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const isActive = item.path === defaultFile;
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html += `
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<li class="nav-file${isActive ? ' active' : ''}" data-file-path="${escapeHtml(item.path)}">
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<span class="nav-file-icon" aria-hidden="true"></span>
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<span class="nav-file-name">${escapeHtml(item.meta ? item.meta.title : item.name)}</span>
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</li>`;
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}
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}
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html += '</ul>';
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return html;
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}
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function escapeHtml(str) {
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const div = document.createElement('div');
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div.textContent = str;
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return div.innerHTML;
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}
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function buildTitleIndex(items, index = {}) {
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if (!Array.isArray(items)) return index;
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items.forEach((item) => {
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if (item.type === 'file') {
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const title = item.meta && item.meta.title
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? item.meta.title
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: item.name.replace(/\.(md|markdown)$/i, '');
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index[item.path] = title;
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return;
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}
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if (item.type === 'dir' && Array.isArray(item.children)) {
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buildTitleIndex(item.children, index);
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}
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});
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return index;
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}
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function getFileDisplayTitle(filePath, preferredTitle) {
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if (preferredTitle) return preferredTitle;
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if (titleByPath[filePath]) return titleByPath[filePath];
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if (!filePath) return '';
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const fileName = filePath.split('/').pop() || filePath;
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return fileName.replace(/\.(md|markdown)$/i, '');
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}
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function renderToolbarBreadcrumb(filePath, preferredTitle) {
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if (!toolbarBreadcrumb) return;
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const segments = ['<span class="toolbar-kicker">Docs</span>'];
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const parts = typeof filePath === 'string' && filePath
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? filePath.split('/').filter(Boolean)
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: [];
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if (!parts.length) {
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toolbarBreadcrumb.innerHTML = segments.join('');
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return;
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}
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const directoryParts = parts.slice(0, -1);
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const fileTitle = getFileDisplayTitle(filePath, preferredTitle);
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directoryParts.forEach((part) => {
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segments.push('<span class="toolbar-divider">/</span>');
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segments.push(`<span class="toolbar-segment">${escapeHtml(part)}</span>`);
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});
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if (fileTitle) {
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segments.push('<span class="toolbar-divider">/</span>');
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segments.push(`<span class="toolbar-segment is-current">${escapeHtml(fileTitle)}</span>`);
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}
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toolbarBreadcrumb.innerHTML = segments.join('');
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}
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// Render nav
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sidebarNav.innerHTML = renderNavTree(navTree);
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// === Navigation Events ===
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sidebarNav.addEventListener('click', function (e) {
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// Directory toggle
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const dirHeader = e.target.closest('.nav-dir-header');
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if (dirHeader) {
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const dirItem = dirHeader.parentElement;
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dirItem.classList.toggle('collapsed');
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return;
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}
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// File click
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const fileItem = e.target.closest('.nav-file');
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if (fileItem) {
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const filePath = fileItem.getAttribute('data-file-path');
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loadFile(filePath);
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setActiveFile(fileItem);
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// On mobile, hide sidebar after selection
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if (window.innerWidth <= 768) {
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hideMobileSidebar();
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}
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}
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});
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function setActiveFile(fileItem) {
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const prev = sidebarNav.querySelector('.nav-file.active');
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if (prev) prev.classList.remove('active');
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if (fileItem) fileItem.classList.add('active');
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}
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function findNavFileItem(filePath) {
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return sidebarNav.querySelector(`[data-file-path="${CSS.escape(filePath)}"]`);
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}
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// === Search ===
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searchInput.addEventListener('input', function () {
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const query = this.value.trim().toLowerCase();
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if (!query) {
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// Show all
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sidebarNav.querySelectorAll('.nav-hidden').forEach(el => el.classList.remove('nav-hidden'));
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removeEmptyMessage();
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return;
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}
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let hasVisible = false;
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// Process directories
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const dirs = sidebarNav.querySelectorAll('.nav-dir');
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dirs.forEach(dir => {
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let dirHasVisible = false;
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const files = dir.querySelectorAll('.nav-file');
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files.forEach(file => {
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const name = file.querySelector('.nav-file-name').textContent.toLowerCase();
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if (name.includes(query)) {
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file.classList.remove('nav-hidden');
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dirHasVisible = true;
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} else {
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file.classList.add('nav-hidden');
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}
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});
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// Show/hide directory
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if (dirHasVisible) {
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dir.classList.remove('nav-hidden', 'collapsed');
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hasVisible = true;
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} else {
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dir.classList.add('nav-hidden');
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}
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});
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// Root-level files
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const rootFiles = sidebarNav.querySelectorAll(':scope > .nav-tree > .nav-file');
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rootFiles.forEach(file => {
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const name = file.querySelector('.nav-file-name').textContent.toLowerCase();
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if (name.includes(query)) {
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file.classList.remove('nav-hidden');
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hasVisible = true;
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} else {
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file.classList.add('nav-hidden');
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}
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});
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if (!hasVisible) {
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showEmptyMessage('未找到匹配的文件');
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} else {
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removeEmptyMessage();
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}
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});
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function showEmptyMessage(msg) {
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removeEmptyMessage();
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const div = document.createElement('div');
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div.className = 'nav-empty';
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div.id = 'navEmptyMsg';
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div.textContent = msg;
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sidebarNav.appendChild(div);
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}
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function removeEmptyMessage() {
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const existing = document.getElementById('navEmptyMsg');
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if (existing) existing.remove();
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}
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// === File Loading ===
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async function loadFile(filePath) {
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if (currentFile === filePath) return;
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showLoading();
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try {
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const resp = await fetch('/api/file?path=' + encodeURIComponent(filePath));
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const json = await resp.json();
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if (!json.success) {
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throw new Error(json.error || 'Failed to load file');
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}
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const data = json.data;
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// Update content
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emptyState.style.display = 'none';
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markdownContent.style.display = '';
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currentFile = filePath;
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articleTitle.textContent = data.title;
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articleBody.innerHTML = data.html;
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enhanceCodeBlocks();
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buildTOC();
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renderArticleMeta(data.meta);
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renderToolbarBreadcrumb(filePath, data.title);
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// Scroll to top
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contentBody.scrollTop = 0;
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// Update URL hash
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if (history.pushState) {
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history.pushState(null, '', '#' + encodeURIComponent(filePath));
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}
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// Apply syntax highlighting to code blocks in content
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applyHighlighting();
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} catch (err) {
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emptyState.style.display = 'flex';
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emptyState.querySelector('p').textContent = '加载失败: ' + err.message;
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markdownContent.style.display = 'none';
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} finally {
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hideLoading();
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}
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}
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function showLoading() {
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loadingBar.classList.add('visible');
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loadingBar.classList.remove('done');
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}
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function hideLoading() {
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loadingBar.classList.add('done');
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setTimeout(() => {
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loadingBar.classList.remove('visible', 'done');
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}, 350);
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}
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function formatDate(isoStr) {
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if (!isoStr) return '-';
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const d = new Date(isoStr);
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const y = d.getFullYear();
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const m = String(d.getMonth() + 1).padStart(2, '0');
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const day = String(d.getDate()).padStart(2, '0');
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const h = String(d.getHours()).padStart(2, '0');
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const min = String(d.getMinutes()).padStart(2, '0');
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return `${y}-${m}-${day} ${h}:${min}`;
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}
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function applyHighlighting() {
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// highlight.js is loaded via CDN or bundled, but we handle it server-side.
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// If any code blocks need client-side highlighting, do it here.
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// For now, server-side rendering handles highlighting.
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}
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function enhanceCodeBlocks() {
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const blocks = articleBody.querySelectorAll('pre.hljs');
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blocks.forEach((block) => {
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if (block.parentElement && block.parentElement.classList.contains('code-block-shell')) return;
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const shell = document.createElement('div');
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shell.className = 'code-block-shell';
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block.parentNode.insertBefore(shell, block);
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shell.appendChild(block);
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const button = document.createElement('button');
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button.type = 'button';
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button.className = 'code-copy-btn';
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button.textContent = '复制';
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button.setAttribute('aria-label', '复制代码');
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shell.appendChild(button);
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});
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}
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async function writeClipboardText(text) {
|
|
if (navigator.clipboard && window.isSecureContext) {
|
|
await navigator.clipboard.writeText(text);
|
|
return true;
|
|
}
|
|
|
|
const textarea = document.createElement('textarea');
|
|
textarea.value = text;
|
|
textarea.setAttribute('readonly', '');
|
|
textarea.style.position = 'fixed';
|
|
textarea.style.top = '0';
|
|
textarea.style.left = '-9999px';
|
|
document.body.appendChild(textarea);
|
|
textarea.focus();
|
|
textarea.select();
|
|
|
|
let copied = false;
|
|
try {
|
|
copied = document.execCommand('copy');
|
|
} finally {
|
|
textarea.remove();
|
|
}
|
|
|
|
if (!copied) {
|
|
throw new Error('copy command failed');
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
async function copyCodeFromButton(button) {
|
|
const shell = button.closest('.code-block-shell');
|
|
const block = shell ? shell.querySelector('pre') : null;
|
|
const code = block ? block.querySelector('code') : null;
|
|
if (!code) return;
|
|
|
|
const text = code.textContent || '';
|
|
|
|
try {
|
|
await writeClipboardText(text);
|
|
button.textContent = '已复制';
|
|
} catch (_) {
|
|
button.textContent = '复制失败';
|
|
}
|
|
|
|
window.setTimeout(() => {
|
|
if (button.isConnected) {
|
|
button.textContent = '复制';
|
|
}
|
|
}, 1600);
|
|
}
|
|
|
|
function renderArticleMeta(meta) {
|
|
const created = formatDate(meta.created);
|
|
const modified = formatDate(meta.modified);
|
|
const wordCount = meta.wordCount;
|
|
articleMeta.innerHTML = `
|
|
<span class="article-meta-item"><em>创建时间：${created}</em></span>
|
|
<span class="article-meta-item"><em>修改时间：${modified}</em></span>
|
|
<span class="article-meta-item"><em>字数统计：${wordCount.toLocaleString()}</em></span>
|
|
`;
|
|
}
|
|
|
|
function slugifyHeading(text, index) {
|
|
return 'toc-' + text
|
|
.toLowerCase()
|
|
.replace(/['"`]/g, '')
|
|
.replace(/[^a-z0-9\u4e00-\u9fff]+/g, '-')
|
|
.replace(/^-+|-+$/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) => `
|
|
<button class="toc-link toc-level-${item.level}" type="button" data-target="${escapeHtml(item.id)}">
|
|
<span class="toc-bullet"></span>
|
|
<span class="toc-text">${escapeHtml(item.text)}</span>
|
|
</button>
|
|
`).join('');
|
|
}
|
|
|
|
function scrollToHeading(targetId) {
|
|
if (!targetId) return;
|
|
const target = articleBody.querySelector(`#${CSS.escape(targetId)}`);
|
|
if (!target) return;
|
|
target.scrollIntoView({ behavior: 'smooth', block: 'start' });
|
|
}
|
|
|
|
// === Initial Load ===
|
|
if (initialContent) {
|
|
emptyState.style.display = 'none';
|
|
markdownContent.style.display = '';
|
|
articleTitle.textContent = initialContent.title;
|
|
articleBody.innerHTML = initialContent.html;
|
|
enhanceCodeBlocks();
|
|
buildTOC();
|
|
|
|
renderArticleMeta(initialContent.meta);
|
|
|
|
currentFile = defaultFile;
|
|
renderToolbarBreadcrumb(defaultFile, initialContent.title);
|
|
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) {
|
|
return;
|
|
}
|
|
|
|
const fileItem = findNavFileItem(hash);
|
|
if (fileItem) {
|
|
loadFile(hash);
|
|
setActiveFile(fileItem);
|
|
return;
|
|
}
|
|
|
|
if (hash.startsWith('toc-')) {
|
|
scrollToHeading(hash);
|
|
}
|
|
}
|
|
|
|
window.addEventListener('hashchange', handleHashChange);
|
|
handleHashChange();
|
|
|
|
// === Event Listeners ===
|
|
btnToggleTheme.addEventListener('click', toggleColorMode);
|
|
sidebarToggleButtons.forEach((button) => {
|
|
button.addEventListener('click', toggleSidebar);
|
|
});
|
|
mobileNavBtn.addEventListener('click', showMobileSidebar);
|
|
if (btnToggleToc) {
|
|
btnToggleToc.addEventListener('click', toggleToc);
|
|
}
|
|
if (themeSelect) {
|
|
themeSelect.addEventListener('change', function () {
|
|
applyTheme(this.value, getStoredColorMode(this.value));
|
|
});
|
|
}
|
|
if (tocNav) {
|
|
tocNav.addEventListener('click', function (e) {
|
|
const link = e.target.closest('[data-target]');
|
|
if (!link) return;
|
|
e.preventDefault();
|
|
scrollToHeading(link.getAttribute('data-target'));
|
|
});
|
|
}
|
|
if (articleBody) {
|
|
articleBody.addEventListener('click', function (e) {
|
|
const button = e.target.closest('.code-copy-btn');
|
|
if (!button) return;
|
|
e.preventDefault();
|
|
copyCodeFromButton(button);
|
|
});
|
|
}
|
|
|
|
// === 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();
|
|
}
|
|
});
|
|
|
|
})();
|