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| const FcircleModule = (() => {
const config = {
API_URL: 'https://代理地址/feed',
CACHE_KEY: 'blog_feed_cache',
CACHE_DURATION: 6 * 60 * 60 * 1000,
ITEMS_PER_PAGE: 20,
ERROR_IMG: 'xxxxxx'
}
const getCachedData = () => {
const cached = localStorage.getItem(config.CACHE_KEY);
if (!cached) return null;
const data = JSON.parse(cached);
const now = new Date().getTime();
if (now - data.timestamp < config.CACHE_DURATION) {
return data;
}
return null;
}
const cleanContent = (content) => {
if (!content) return '';
return content
.replace(/<br\s*\/?>/gi, '\n')
.trim();
}
const decodeShortcodes = (rawContent) => {
if (!/\[scode|\[collapse|\[hplayer|\[Music/.test(rawContent)) {
return renderMarkdown(cleanContent(rawContent));
}
let content = rawContent;
content = content.replace(/\[scode\s+type="([^"]+)"\](.*?)\[\/scode\]/g,
(_, type, inner) => `<span class="scode scode-${type}">${inner}</span>`);
content = content.replace(/\[collapse\s+status="([^"]+)"\s+title="([^"]+)"\]([\s\S]*?)\[\/collapse\]/g,
(_, status, title, inner) => {
const open = status === "true" ? "open" : "";
return `<details ${open}><summary>${title}</summary><div class="collapse-content">${inner.trim()}</div></details>`;
});
content = content.replace(/<br\s*\/?>/gi, "<br>");
if (content.includes('[hplayer]') || content.includes('[Music')) {
content = extractMeting(content);
}
return renderMarkdown(cleanContent(content));
};
const renderMarkdown = (content) => {
return marked.parse(content);
}
const extractMeting = (content) => {
return content.replace(
/\[hplayer\][\s\S]*?\[Music\s+server="([^"]+)"\s+id="([^"]+)"\s+type="([^"]+)"\s*\/\][\s\S]*?\[\/hplayer\]/gi,
(_, server, id, type) => {
return `<meting-js id="${id}" server="${server}" type="${type}" mutex="true" preload="auto"></meting-js>`;
}
);
}
const normalizeLink = (url, link) => {
if (/^https?:\/\//i.test(link)) {
return link;
}
if (!url) {
return link;
}
url = url.replace(/\/+$/, '');
if (!link.startsWith('/')) {
link = '/' + link;
}
return url + link;
}
const runIdle = (callback, timeout = 0) => {
if ('requestIdleCallback' in window) {
requestIdleCallback(callback, {timeout});
} else {
setTimeout(callback, timeout);
}
}
return {
init: () => {
let allArticles = [];
let displayedCount = 0;
let isLoading = false;
let masonry = null;
let isRendering = false;
const masonryContainer = document.getElementById('masonry-container');
const loadingElement = document.getElementById('loading');
const noMoreElement = document.getElementById('no-more');
const refreshBtn = document.getElementById('refresh-btn');
const clearCacheBtn = document.getElementById('clear-cache-btn');
const cacheTimeElement = document.getElementById('cache-time');
const errorContainer = document.getElementById('error-container');
const errorMessage = document.getElementById('error-message');
const updateStats = (data) => {
if (!data) return;
document.getElementById('friend-count').textContent = data.friendCount || 0;
document.getElementById('success-count').textContent = data.successCount || 0;
document.getElementById('fail-count').textContent = data.failCount || 0;
document.getElementById('article-count').textContent = allArticles.length || 0;
}
const loadData = async () => {
const cachedData = getCachedData();
if (cachedData) {
allArticles = cachedData.items;
updateStats(cachedData.meta);
renderArticles(() => {
updateCacheTimeDisplay(cachedData.timestamp);
});
} else {
await fetchData();
}
}
const fetchData = async (forceRefresh = false) => {
try {
showLoading(true);
refreshBtn.disabled = true;
if (!forceRefresh) {
const cachedData = getCachedData();
if (cachedData) {
allArticles = cachedData.items;
updateStats(cachedData.meta);
renderArticles(() => {
updateCacheTimeDisplay(cachedData.timestamp);
showLoading(false);
refreshBtn.disabled = false;
});
return;
}
}
const response = await fetch(config.API_URL);
if (!response.ok) {
throw new Error(`API请求失败: ${response.status} ${response.statusText}`);
}
const data = await response.json();
if (!data || !Array.isArray(data.items)) {
throw new Error('无效的API响应数据');
}
allArticles = data.items;
const cacheData = {
items: allArticles,
meta: {
friendCount: data.meta.friend_count || 0,
successCount: data.meta.success_count || 0,
failCount: data.meta.fail_count || 0
},
timestamp: new Date().getTime()
};
localStorage.setItem(config.CACHE_KEY, JSON.stringify(cacheData));
btf.scrollToDest(0, 500);
displayedCount = 0;
masonryContainer.innerHTML = '';
if (masonry) {
masonry.layout();
masonry.destroy();
masonry = null;
}
updateStats(cacheData.meta);
renderArticles(() => {
updateCacheTimeDisplay(cacheData.timestamp);
errorContainer.style.display = 'none';
showLoading(false);
refreshBtn.disabled = false;
});
} catch (error) {
console.error('数据加载失败:', error);
errorContainer.style.display = 'block';
errorMessage.textContent = error.message;
const cachedData = getCachedData();
if (cachedData) {
allArticles = cachedData.items;
updateStats(cachedData.meta);
renderArticles(() => {
updateCacheTimeDisplay(cachedData.timestamp);
showLoading(false);
refreshBtn.disabled = false;
});
} else {
masonryContainer.innerHTML = '';
if (masonry) {
masonry.layout();
}
showLoading(false);
refreshBtn.disabled = false;
}
}
}
const initMasonry = () => {
masonry = new Masonry(masonryContainer, {
itemSelector: '.fc-card',
columnWidth: '.fc-card',
percentPosition: true,
gutter: 20,
});
}
const renderArticles = (callback = () => {}) => {
if (allArticles.length === 0) {
masonryContainer.innerHTML = '<div class="no-more" style="display:block;">没有找到文章数据</div>';
noMoreElement.style.display = 'none';
callback();
return;
}
if (isRendering) return;
isRendering = true;
const startIndex = displayedCount;
const endIndex = Math.min(startIndex + config.ITEMS_PER_PAGE, allArticles.length);
if (!masonry) {
initMasonry();
}
let currentIndex = startIndex;
const processNext = () => {
if (currentIndex >= endIndex) {
displayedCount = endIndex;
noMoreElement.style.display = (displayedCount >= allArticles.length) ? 'block' : 'none';
isRendering = false;
callback();
return;
}
const article = allArticles[currentIndex];
const card = createArticleCard(article);
imagesLoaded(card)
.on('always', () => {
masonryContainer.appendChild(card);
masonry.appended(card);
masonry.layout();
card.style.opacity = '1';
card.style.transform = 'translateY(0)';
card.style.transition = 'opacity 0.4s ease, transform 0.4s ease';
currentIndex++;
runIdle(processNext, 50);
});
}
processNext();
}
const createArticleCard = (article) => {
const card = document.createElement('div');
card.className = 'fc-card';
card.style.opacity = '0';
card.style.transform = 'translateY(20px)';
const date = article.published ? new Date(article.published) : new Date();
const formattedDate = `${date.getFullYear()}-${(date.getMonth() + 1).toString().padStart(2, '0')}-${date.getDate().toString().padStart(2, '0')}`;
const fixedIcon = '📝';
card.innerHTML = `
<div class="card-header">
<h3 class="card-title">
<a href="${normalizeLink(article.url, article.link)}" target="_blank" rel="noopener noreferrer">
${fixedIcon} ${article.title}
</a>
</h3>
<div class="card-author">
<img src="${article.avatar}" alt="${article.author}" class="avatar" loading="lazy" onerror="this.onerror=null;this.src='${config.ERROR_IMG}';">
<div>
<div class="author-name">${article.author}</div>
<div class="card-date">${formattedDate}</div>
</div>
</div>
</div>
<div class="fc-card-content">
${decodeShortcodes(article.content) || '暂无内容'}…
</div>
`;
return card;
}
let lastScrollTop = 0;
const handleScroll = btf.throttle(() => {
if (isRendering || isLoading) return;
const container = document.querySelector('#masonry-container');
if (!container) return;
const scrollTop = document.documentElement.scrollTop || document.body.scrollTop;
const isScrollingDown = scrollTop > lastScrollTop;
lastScrollTop = scrollTop;
if (!isScrollingDown) return;
const rect = container.getBoundingClientRect();
const distanceToBottom = rect.bottom - window.innerHeight;
if (distanceToBottom <= 200) {
loadMoreArticles();
}
}, 150);
const showLoading = (show) => {
loadingElement.style.display = show ? 'block' : 'none';
}
const updateCacheTimeDisplay = (timestamp) => {
if (!timestamp) {
cacheTimeElement.textContent = '--:--:--';
return;
}
const expireDate = new Date(timestamp + config.CACHE_DURATION);
const formattedTime = expireDate.toLocaleTimeString([], {hour: '2-digit', minute: '2-digit'});
cacheTimeElement.textContent = `${formattedTime}`;
}
loadData();
btf.addEventListenerPjax("scroll", window, handleScroll, {passive: true})
refreshBtn.addEventListener('click', btf.debounce(() => {
fetchData(true);
}, 300));
clearCacheBtn.addEventListener('click', btf.debounce(() => {
localStorage.removeItem(config.CACHE_KEY);
fetchData(true);
}, 300));
btf.addGlobalFn('pjaxSendOnce', () => {
if (masonry) {
masonry.destroy();
masonry = null;
}
}, 'removeFcirleMasonry')
}
}
})();
FcircleModule.init();
document.addEventListener('pjax:complete', () => {
FcircleModule.init()
});
|
