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/** * PJAX 初始化与页面切换重绑定脚本 * 依赖:jQuery, jquery.pjax.min.js * 加载顺序:在 jquery.pjax.min.js 之后,body 末尾 */
(function ($) { // ========== 常量 ==========
var CONTAINER = '#pjax-container'; var PJAX_OPTS = { container: CONTAINER, fragment: CONTAINER, timeout: 8000, scrollTo: false };
// ========== 工具函数 ==========
var _loadedScripts = {}; var _pendingScripts = [];
/** 动态加载外部 CSS(避免重复加载) */ function loadCSS(href) { if ($('link[href="' + href + '"]').length) return; $('<link rel="stylesheet" href="' + href + '" />').appendTo('head'); }
/** * 动态加载外部 JS(避免重复) * 用对象跟踪已加载的 URL,而不是检查 DOM 中的 <script> 标签 * (pjax 替换容器内容后,惰性 <script> 标签存在但不代表已执行) */ function loadScript(src, callback) { if (_loadedScripts[src]) { if (typeof callback === 'function') callback(); return; } _loadedScripts[src] = true; var s = document.createElement('script'); s.src = src; s.onload = callback || null; document.body.appendChild(s); }
/** * 按顺序执行脚本数组(内联和外部混合) * 外部脚本加载完成后再执行后续内联脚本,保持依赖顺序 */ function executeScripts(scripts) { var idx = 0; function runNext() { while (idx < scripts.length) { var s = scripts[idx]; idx++; if (s.src) { loadScript(s.src, runNext); return; // 等待 onload 回调
} try { (window.execScript || function (code) { window['eval'].call(window, code); })(s.text); } catch (e) { console.warn('[pjax] inline script exec error:', e); } } } runNext(); }
// ========== 页面类型判断 ==========
/** 是否为文章页(非首页/分页) */ function isPostPage(pathname) { return !/^(\/(index\.html)?|\/page\d+(\/index\.html)?)$/.test(pathname || window.location.pathname); }
/** 是否为真正的文章页(用 DOM 特征判断,仅 post 布局才有这些元素) */ function isRealPostPage() { return $(CONTAINER + ' #gitalk-container').length > 0; }
// ========== 欢迎语生成 ==========
/** * 根据当前时间和页面生成 Live2D 欢迎语 * 此函数暴露到 window._live2d.getWelcomeText,供 message.js 首次加载时复用 * @param {string} [pathname] - 页面路径,默认当前路径 * @param {string} [title] - 页面标题,默认从 document.title 提取 * @returns {string} 欢迎语 HTML */ function getWelcomeText(pathname, title) { pathname = pathname || window.location.pathname; title = title || document.title.split(' | ')[0];
if (pathname === '/' || pathname === '/index.html') { var now = (new Date()).getHours(); if (now > 23 || now <= 5) return '你是夜猫子呀?这么晚还不睡觉,明天起的来嘛?'; if (now > 5 && now <= 7) return '早上好!一日之计在于晨,美好的一天就要开始了!'; if (now > 7 && now <= 11) return '上午好!工作顺利嘛,不要久坐,多起来走动走动哦!'; if (now > 11 && now <= 14) return '中午了,工作了一个上午,现在是午餐时间!'; if (now > 14 && now <= 17) return '午后很容易犯困呢,今天的运动目标完成了吗?'; if (now > 17 && now <= 19) return '傍晚了!窗外夕阳的景色很美丽呢,最美不过夕阳红~~'; if (now > 19 && now <= 21) return '晚上好,今天过得怎么样?'; if (now > 21 && now <= 23) return '已经这么晚了呀,早点休息吧,晚安~~'; return '嗨~ 快来逗我玩吧!'; } return '欢迎阅读<span style="color:#0099cc;">「 ' + title + ' 」</span>'; }
// ========== 各组件重初始化 ==========
/** 访问量统计 */ function reinitVisitors() { if (typeof BlogAPI === 'undefined') return; var apiBase = BlogAPI; if ($('.visitors').length === 1) { var $visitor = $('.visitors:first'); $.get(apiBase + '/count_click_add?id=' + $visitor.attr('id'), function (data) { $visitor.text(Number(data)); }); } else if ($('.visitors-index').length > 0) { $('.visitors-index').each(function () { var $elem = $(this); $.get(apiBase + '/count_click?id=' + $elem.attr('id'), function (data) { $elem.text(Number(data)); }); }); } }
/** AI 摘要(post.html 内联脚本,pjax 后由 executeScripts 触发) */ function reinitAISummary() { if (typeof ai_gen === 'function' && $('#ai-output').length) { try { ai_gen(); } catch (e) { /* ignore */ } } }
/** 代码块复制按钮 */ function reinitCopyButtons() { $('.copy').remove(); $('div.highlight').each(function () { var $block = $(this); var $btn = $('<button>', { class: 'copy', type: 'button', text: '📋' }); $block.append($btn); $btn.on('click', function () { var code = $btn.siblings('pre').find('code').text().trim(); navigator.clipboard.writeText(code) .then(function () { $btn.text('✅'); }) .catch(function () { $btn.text('❌'); }) .finally(function () { setTimeout(function () { $btn.text('📋'); }, 1500); }); }); }); }
/** Gitalk 评论(post 页面专属) */ function reinitGitalk() { if ($(CONTAINER + ' #gitalk-container').length === 0) return; loadCSS('/assets/css/gitalk.css');
function doInitGitalk() { if (typeof Gitalk === 'undefined') { loadScript('/assets/js/gitalk.min.js', doInitGitalk); return; } var pageId = $(CONTAINER + ' #gitalk-container').data('page-id') || window.location.pathname; try { new Gitalk(Object.assign({ id: pageId }, window.GitalkConfig)) .render('gitalk-container'); } catch (e) { console.warn('[pjax] Gitalk init error:', e); } } $('#gitalk-container').empty(); doInitGitalk(); }
/** 关键词高亮 */ function reinitHighlight() { var keyword = new URLSearchParams(window.location.search).get('kw'); if (!keyword) return; keyword = keyword.trim(); if (!keyword) return;
var escaped = keyword.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'); var regex = new RegExp('(' + escaped + ')', 'gi'); var escapeHTML = function (str) { return str.replace(/[&<>"']/g, function (t) { return { '&': '&', '<': '<', '>': '>', '"': '"', "'": ''' }[t] || t; }); }; function walk(node) { $(node).contents().each(function () { if (this.nodeType === Node.TEXT_NODE) { var $t = $(this); var text = escapeHTML($t.text()); if (regex.test(text)) $t.replaceWith(text.replace(regex, '<mark>$1</mark>')); } else if (this.nodeType === Node.ELEMENT_NODE && !$(this).is('script, style, noscript, textarea')) { walk(this); } }); } $('section').each(function () { walk(this); }); }
/** Google Analytics 页面浏览事件 */ function trackPageView() { if (typeof gtag === 'function') { gtag('config', window._gaId || '', { page_path: window.location.pathname }); } }
/** Live2D 重初始化 */ var _live2dSelectors = ['.post-link', '#search-input']; var _live2dDelegateBound = false;
function reinitLive2d() { if (!window._live2d) return; var pathname = window.location.pathname;
// 更新"想问这篇文章"相关状态(仅真正的文章页显示)
$('#post_id').val(pathname); if (isRealPostPage()) { $('.live_talk_input_name_body').show(); } else { $('.live_talk_input_name_body').hide(); $('#load_this').prop('checked', false); }
// 音乐按钮:根据当前页面是否有 BGM 输入来显示/隐藏
if (typeof window._live2d.initBGM === 'function') { window._live2d.initBGM(); }
// 事件委托绑定(只执行一次)
if (!_live2dDelegateBound && typeof String.prototype.renderTip === 'function') { var selector = CONTAINER + ' ' + _live2dSelectors.join(', ' + CONTAINER + ' '); $(document).on('mouseover._live2d_pjax', selector, function (e) { var $el = $(e.currentTarget || e.target); if ($el.is('.post-link')) { window._live2d.showMessage('要看看 ' + $el.text() + ' 么?', 3000); } else if ($el.is('#search-input')) { window._live2d.showMessage('在找什么东西呢,需要帮忙吗?', 3000); } }); $(document).on('mouseout._live2d_pjax', selector, function () { if (window._live2d.showHitokoto) window._live2d.showHitokoto(); }); _live2dDelegateBound = true; }
// 欢迎语
if (typeof window._live2d.showMessage === 'function') { window._live2d.showMessage(getWelcomeText(pathname), 6000); } }
// ========== PJAX 导航 ==========
/** PJAX 完成后的统一处理 */ function doPjaxComplete() { $('body').removeClass('pjax-loading'); // go() 路径:脚本在 DOM 替换前提取到了 _pendingScripts,需在此执行
// pjax 库路径:_pendingScripts 为空,pjax 库自行处理了脚本执行
if (_pendingScripts.length > 0) { executeScripts(_pendingScripts); _pendingScripts = []; } onPjaxComplete(); }
/** 暴露给模板内 onclick/onchange 调用的导航函数 */ window.go = function (url) { if (!url || url === '#') return; if (/^(https?:)?\/\//.test(url) || url.startsWith('mailto:')) { window.location.href = url; return; } $('body').addClass('pjax-loading'); $.ajax({ url: url, beforeSend: function (xhr) { xhr.setRequestHeader('X-PJAX', 'true'); xhr.setRequestHeader('X-PJAX-Container', CONTAINER); }, success: function (html) { try { var doc = (new DOMParser()).parseFromString(html, 'text/html'); var fragment = doc.querySelector(CONTAINER); if (fragment) { // 先提取脚本(jQuery html() 会移除并可能异步处理脚本)
_pendingScripts = []; fragment.querySelectorAll('script').forEach(function (s) { _pendingScripts.push({ src: s.src || null, text: s.textContent }); s.remove(); }); $(CONTAINER).html(fragment.innerHTML); document.title = doc.title; history.pushState({ url: url }, document.title, url); doPjaxComplete(); } else { window.location.href = url; } } catch (e) { console.warn('[go] parse error, fallback:', e); window.location.href = url; } }, error: function () { window.location.href = url; }, timeout: PJAX_OPTS.timeout }); };
/** 暴露 getWelcomeText 供 message.js 首次加载时复用,避免欢迎语逻辑重复 */ window._pjaxGetWelcomeText = getWelcomeText;
// ========== 初始化 ==========
/** 每次 pjax 完成后执行所有重初始化 */ function onPjaxComplete() { reinitVisitors(); reinitCopyButtons(); reinitHighlight(); reinitGitalk(); reinitAISummary(); reinitLive2d(); trackPageView(); window.scrollTo(0, 0); }
$(document).ready(function () { // 排除列表:外链、锚点、静态资源、Live2D 目录
var exclude = ':not([target="_blank"]):not([href^="http"]):not([href^="//"])' + ':not([href^="mailto"]):not([href^="#"])' + ':not([href$=".xml"]):not([href$=".json"]):not([href$=".tgz"]):not([href$=".zip"])' + ':not([href^="/Live2dHistoire"])'; $(document).pjax('a' + exclude, PJAX_OPTS.container, PJAX_OPTS);
$(document).on('pjax:send', function () { $('body').addClass('pjax-loading'); }); $(document).on('pjax:complete', doPjaxComplete); $(document).on('pjax:error', function (xhr, textStatus, error) { console.warn('[pjax] error, fallback:', error); });
// 首次加载初始化
reinitCopyButtons(); });
})(jQuery);
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