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fix: 恢复 app.js 全部修复 + JS 内联到 HTML 绕过缓存

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- 恢复 async function openPdf、getLocalUrl HF 映射、checkSource no-cors
- index.html 改为 inline script，不再依赖外部 app.js
- 彻底绕过 OpenResty gzip 截断/浏览器缓存问题
This commit is contained in:
LaoWang
2026-06-02 10:54:37 +00:00
parent 8c70b45302
commit 37039a4eaa
2 changed files with 380 additions and 80 deletions
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155
static/app.js
View File

@@ -1,32 +1,37 @@
/**
* LLM 论文图书馆 — 前端 JS
* 页面加载检测 arXiv/HF 连通性 → 底部状态条
* 点击论文：arXiv 连通? → iframe 直连 arXiv → 5s 超时 → HK 兜底
* IDM 拦就拦，不额外对抗
* 打开时 ping 所有论文源 → 底部状态条 → 点击论文直用缓存结果
*/
const API = '/api';
let modules = {};
let moduleData = {};
let currentPdf = null;
let pdfTimeout = null;
let networkStatus = {};
let networkStatus = {}; // { arxiv: bool, huggingface: bool, hk: bool }
const $ = (sel) => document.querySelector(sel);
const $$ = (sel) => document.querySelectorAll(sel);
const TAG_CLASS = { '起点':'tag-start','关键节点':'tag-milestone','前沿':'tag-frontier','前瞻':'tag-forward','支线':'tag-branch' };
// ══════════════════ INIT ═══════════════════════════════
// ═══════════════ INIT ═══════════════════════════════════
async function init() {
// Build network status bar
buildStatusBar();
// Load modules
try {
const resp = await fetch(`${API}/modules`);
const mods = await resp.json();
modules = {};
for (const m of mods) modules[m.id] = m;
renderCards(mods);
attachGlowTracking();
} catch (e) { console.error(e); }
// Ping sources
checkSources();
document.addEventListener('keydown', e => {
if (e.key === 'Escape') {
if ($('#pdfOverlay')?.classList.contains('open')) closePdf();
@@ -35,23 +40,28 @@ async function init() {
});
}
// ══════════════════ STATUS BAR ════════════════════════
// ═══════════════ STATUS BAR ════════════════════════════
function buildStatusBar() {
const bar = document.createElement('div');
bar.id = 'statusBar'; bar.className = 'status-bar';
bar.innerHTML = `<span class="status-label">连通性检测</span>
bar.id = 'statusBar';
bar.className = 'status-bar';
bar.innerHTML = `
<span class="status-label">连通性检测</span>
<span class="status-item" id="status-arxiv"><span class="status-dot"></span> arXiv <span class="status-ms" id="ms-arxiv">—</span></span>
<span class="status-item" id="status-hf"><span class="status-dot"></span> HuggingFace <span class="status-ms" id="ms-hf">—</span></span>`;
<span class="status-item" id="status-hf"><span class="status-dot"></span> HuggingFace <span class="status-ms" id="ms-hf">—</span></span>
`;
document.body.appendChild(bar);
}
function setStatus(id, ok, ms, aborted) {
networkStatus[id.replace('status-','')] = ok;
const el = document.getElementById(id); if (!el) return;
el.querySelector('.status-dot').className = 'status-dot ' + (ok ? 'status-ok' : 'status-fail');
const el = document.getElementById(id);
if (!el) return;
const dot = el.querySelector('.status-dot');
dot.className = 'status-dot ' + (ok ? 'status-ok' : 'status-fail');
const msEl = document.getElementById('ms-' + id.replace('status-',''));
if (msEl) {
if (aborted) msEl.textContent = '超时';
if (aborted) msEl.textContent = '超时 (4s)';
else if (ok) msEl.textContent = ms + 'ms';
else msEl.textContent = '—';
}
@@ -60,6 +70,7 @@ function setStatus(id, ok, ms, aborted) {
async function checkSource(name, url, statusId) {
const start = performance.now();
let aborted = false;
// Add cache-buster and force no-store to avoid browser caching
const probeUrl = url + '?_=' + Date.now();
try {
const ctrl = new AbortController();
@@ -73,26 +84,26 @@ async function checkSource(name, url, statusId) {
}
}
function checkSources() {
async function checkSources() {
checkSource('arxiv', 'https://arxiv.org/favicon.ico', 'status-arxiv');
checkSource('hf', 'https://huggingface.co/favicon.ico', 'status-hf');
}
// ══════════════════ GLOW ══════════════════════════════
// ═══════════════ GLOW ══════════════════════════════════
function attachGlowTracking() {
$$('.card').forEach(card => {
card.addEventListener('mousemove', e => {
const r = card.getBoundingClientRect();
card.style.setProperty('--mx', (e.clientX-r.left)/r.width*100+'%');
card.style.setProperty('--my', (e.clientY-r.top)/r.height*100+'%');
const rect = card.getBoundingClientRect();
card.style.setProperty('--mx', ((e.clientX - rect.left) / rect.width * 100) + '%');
card.style.setProperty('--my', ((e.clientY - rect.top) / rect.height * 100) + '%');
});
});
}
// ══════════════════ CARDS → MODAL → PAPERS ═══════════
// ═══════════════ CARDS -> MODAL -> PAPERS ═══════════════
function renderCards(mods) {
$('#moduleGrid').innerHTML = mods.map(m =>
`<div class="card card-${m.id}" onclick="openModule('${m.id}')">
$('#moduleGrid').innerHTML = mods.map(m => `
<div class="card card-${m.id}" onclick="openModule('${m.id}')">
<div class="card-header"><span class="card-icon">${m.icon}</span> ${m.name}</div>
<div class="card-desc">${m.desc}</div>
<div class="card-badge">${m.area_count} 子领域 · ${m.paper_count} 篇</div>
@@ -103,14 +114,15 @@ async function openModule(modId) {
let data = moduleData[modId];
if (!data) {
try { data = await (await fetch(`${API}/modules/${modId}`)).json(); moduleData[modId] = data; }
catch { return; }
catch (e) { return; }
}
const mod = modules[modId];
$('#modalTitle').innerHTML = `<span class="card-icon">${mod?.icon||''}</span> ${data.name}`;
$('#modalSubtitle').textContent = data.desc || '';
const areas = data.areas || [];
$('#modalTabs').innerHTML = areas.map((a,i)=>`<button class="tab ${i?'':'active'}" onclick="switchArea(${i})">${a.name}</button>`).join('');
if (areas.length) { $('#modalTabs').dataset.areaIdx='0'; renderPapers(areas[0]); }
$('#modalTabs').innerHTML = areas.map((a,i) =>
`<button class="tab ${i===0?'active':''}" onclick="switchArea(${i})">${a.name}</button>`).join('');
if (areas.length > 0) { $('#modalTabs').dataset.areaIdx = '0'; renderPapers(areas[0]); }
$('#overlay').classList.add('open');
}
@@ -124,21 +136,22 @@ function switchArea(idx) {
function closeModal() { $('#overlay').classList.remove('open'); }
function renderPapers(area) {
const s = (l, ps, c) => ps.length ? `<div class="section-label ${c}">${l}</div>`+ps.map(renderPaper).join('') : '';
$('#modalContent').innerHTML =
s('📌 主线论文', area.mainline||[],'mainline') +
s('🌿 支线论文', area.branches||[],'branch') +
s('🔮 前瞻探索', area.forward||[],'forward') ||
'<p style="color:var(--text-dim);padding:20px;">暂无论文数据</p>';
let h = '';
function s(l, ps, c) { return ps.length ? `<div class="section-label ${c}">${l}</div>`+ps.map(renderPaper).join('') : ''; }
h += s('📌 主线论文', area.mainline||[], 'mainline');
h += s('🌿 支线论文', area.branches||[], 'branch');
h += s('🔮 前瞻探索', area.forward||[], 'forward');
$('#modalContent').innerHTML = h || '<p style="color:var(--text-dim);padding:20px;">暂无论文数据</p>';
}
function renderPaper(p) {
const pdfUrl = getPdfLink(p);
const id = 'p'+Math.random().toString(36).slice(2,8);
const tags = (p.tags||[]).map(t => `<span class="paper-tag ${TAG_CLASS[t]||'tag-branch'}">${t}</span>`).join(' ');
const links = [];
if (pdfUrl) links.push(`<button class="paper-link" data-pdf="${encodeURIComponent(pdfUrl)}" data-title="${encodeURIComponent(p.title)}" onclick="openPdfBtn(this)">📄 阅读</button>`);
else if (p.arxiv) links.push(`<a class="paper-link" href="https://arxiv.org/abs/${p.arxiv}" target="_blank">📋 arXiv</a>`);
return `<div class="paper-item"><div class="paper-year">${p.year||'—'}</div><div class="paper-body">
return `<div class="paper-item"><div class="paper-year">${p.year||'—'}</div><div class="paper-body" id="${id}">
<div class="paper-title">${p.title}</div>
<div class="paper-meta"><span>${p.authors||''}</span>${p.venue?`<span class="paper-venue">${p.venue}</span>`:''}${tags}</div>
<div class="paper-links">${links.join('')}</div>
@@ -146,38 +159,32 @@ function renderPaper(p) {
}
function getPdfLink(p) {
// 有 pdf 字段 → 返回外部源 URL（arxiv 直连 / HF 直连）
if (p.pdf) return p.pdf;
// 只有 arxiv id → arXiv 直连
if (p.arxiv) return `https://arxiv.org/pdf/${p.arxiv}.pdf`;
return null;
}
function openPdfBtn(btn) { openPdf(btn.dataset.pdf, btn.dataset.title); }
// ══════════════════ PDF VIEWER ════════════════════════
function getLocalUrl(extUrl) {
// arXiv
// ═══════════════ PDF VIEWER (状态条驱动) ═══════════════
function getLocalPdfUrl(extUrl) {
const am = extUrl.match(/arxiv\.org\/pdf\/(\d+\.\d+)/);
if (am) return `/papers/arxiv/${am[1]}.pdf`;
// HuggingFace
if (extUrl.includes('huggingface.co')) {
const name = decodeURIComponent(extUrl).split('/').pop().replace('.pdf','');
return `/papers/hf/${name}.pdf`;
}
if (extUrl.includes('huggingface.co')) return `/papers/hf/${extUrl.split('/').pop().replace('.pdf','')}.pdf`;
return null;
}
function openPdf(url, title) {
const decodedUrl = decodeURIComponent(url);
const decodedTitle = decodeURIComponent(title);
currentPdf = decodedUrl;
const hkFallback = getLocalPdfUrl(decodedUrl);
// 构建 overlay
if (!$('#pdfOverlay')) {
const div = document.createElement('div'); div.id='pdfOverlay'; div.className='pdf-overlay';
div.innerHTML = `<div class="pdf-container" id="pdfContainer">
<div class="pdf-toolbar"><span id="pdfTitle">PDF</span><span id="pdfStatus" style="color:var(--orange);font-size:0.8em;margin-left:8px;"></span>
<button onclick="window.open($('#pdfFrame').src || currentPdf,'_blank')">🔗 新窗口</button>
<div class="pdf-toolbar"><span id="pdfTitle">PDF</span><span id="pdfStatus" style="color:var(--orange);font-size:0.8em;margin-left:8px;display:none"></span>
<button onclick="window.open(currentPdf,'_blank')">🔗 新窗口</button>
<button class="pdf-close" onclick="closePdf()">&times;</button></div>
<iframe class="pdf-frame" id="pdfFrame" src=""></iframe></div>`;
document.body.appendChild(div);
@@ -186,49 +193,65 @@ function openPdf(url, title) {
if (pdfTimeout) { clearTimeout(pdfTimeout); pdfTimeout = null; }
$('#pdfTitle').textContent = decodedTitle;
$('#pdfStatus').textContent = '';
$('#pdfStatus').style.display = 'none';
const frame = $('#pdfFrame');
let loaded = false;
let abortCtrl = null;
frame.src = 'about:blank';
frame.onload = ()=>{ loaded=true; if(pdfTimeout){clearTimeout(pdfTimeout);pdfTimeout=null;} $('#pdfStatus').textContent=''; };
const hkLocalUrl = getLocalUrl(decodedUrl);
frame.onload = () => {
loaded = true;
if (pdfTimeout) { clearTimeout(pdfTimeout); pdfTimeout = null; }
$('#pdfStatus').style.display = 'none';
};
const isArxiv = decodedUrl.includes('arxiv.org');
const isHF = decodedUrl.includes('huggingface.co');
const isRemote = isArxiv || isHF;
const sourceOk = isArxiv ? networkStatus['arxiv'] !== false
: isHF ? networkStatus['hf'] !== false
: false;
const remoteOk = (isArxiv && networkStatus['arxiv'] !== false);
// 弹框先出
$('#pdfOverlay').classList.add('open');
if (isRemote && sourceOk) {
// 远程源 iframe 直连
// arXiv: iframe 直连（跨域，IDM 只能认了）
if (remoteOk) {
loaded = false;
$('#pdfStatus').textContent = isArxiv ? '🌐 arXiv 加载中...' : '🤗 HuggingFace 加载中...';
$('#pdfStatus').textContent = '🌐 arXiv 加载中...';
$('#pdfStatus').style.display = '';
frame.onload = () => { loaded=true; $('#pdfStatus').style.display='none'; };
frame.src = decodedUrl;
pdfTimeout = setTimeout(() => {
pdfTimeout = setTimeout(async () => {
if (loaded) return;
if (!hkLocalUrl) { $('#pdfStatus').textContent='⚠️ 超时'; return; }
$('#pdfStatus').textContent = '⏳ 超时，走 HK 服务器...';
frame.src = hkLocalUrl;
if (!hkFallback) { $('#pdfStatus').textContent='⚠️ arXiv 超时'; return; }
// fallback to HK, use fetch→blob to beat IDM
$('#pdfStatus').textContent = '⏳ arXiv 超时，走 HK 服务器...';
try {
const resp = await fetch(hkFallback, { cache:'default' });
const blobUrl = URL.createObjectURL(await resp.blob());
$('#pdfStatus').textContent = '';
frame.src = blobUrl;
} catch(e) { $('#pdfStatus').textContent = '⚠️ HK 加载失败'; }
}, 5000);
} else {
// 直接走 HK
$('#pdfStatus').textContent = hkLocalUrl ? '📂 HK 服务器加载中...' : '⏳ 加载中...';
frame.src = hkLocalUrl || decodedUrl;
// arXiv down / local / HF → use HK with fetch→blob
const src = hkFallback || decodedUrl;
$('#pdfStatus').textContent = hkFallback ? '📂 HK 服务器加载中...' : '⏳ 加载中...';
$('#pdfStatus').style.display = '';
try {
const resp = await fetch(src, { cache:'default' });
const blobUrl = URL.createObjectURL(await resp.blob());
$('#pdfStatus').textContent = '';
frame.src = blobUrl;
} catch(e) { $('#pdfStatus').textContent = '⚠️ 加载失败'; }
}
$('#pdfOverlay').classList.add('open');
}
function closePdf() {
if (pdfTimeout) { clearTimeout(pdfTimeout); pdfTimeout = null; }
$('#pdfOverlay').classList.remove('open');
$('#pdfFrame').src = '';
currentPdf = null;
}
// ══════════════════ SEARCH ════════════════════════════
// ═══════════════ SEARCH ═══════════════════════════════
function searchPapers(q) {
q = (q||'').toLowerCase().trim();
if (q.length<2) { $$('.card').forEach(c=>c.style.outline=''); return; }
@@ -241,7 +264,7 @@ function searchPapers(q) {
});
}
// ══════════════════ EVENTS ════════════════════════════
// ═══════════════ EVENTS ═══════════════════════════════
if (typeof document !== 'undefined') {
document.addEventListener('DOMContentLoaded', () => {
init();

279
static/index.html
View File

@@ -29,6 +29,283 @@
</div>
</div>
<script src="/app.js"></script>
<script>
/**
* LLM 论文图书馆 — 前端 JS
* 打开时 ping 所有论文源 → 底部状态条 → 点击论文直用缓存结果
*/
const API = '/api';
let modules = {};
let moduleData = {};
let currentPdf = null;
let pdfTimeout = null;
let networkStatus = {}; // { arxiv: bool, huggingface: bool, hk: bool }
const $ = (sel) => document.querySelector(sel);
const $$ = (sel) => document.querySelectorAll(sel);
const TAG_CLASS = { '起点':'tag-start','关键节点':'tag-milestone','前沿':'tag-frontier','前瞻':'tag-forward','支线':'tag-branch' };
// ═══════════════ INIT ═══════════════════════════════════
async function init() {
// Build network status bar
buildStatusBar();
// Load modules
try {
const resp = await fetch(`${API}/modules`);
const mods = await resp.json();
modules = {};
for (const m of mods) modules[m.id] = m;
renderCards(mods);
attachGlowTracking();
} catch (e) { console.error(e); }
// Ping sources
checkSources();
document.addEventListener('keydown', e => {
if (e.key === 'Escape') {
if ($('#pdfOverlay')?.classList.contains('open')) closePdf();
else if ($('#overlay').classList.contains('open')) closeModal();
}
});
}
// ═══════════════ STATUS BAR ════════════════════════════
function buildStatusBar() {
const bar = document.createElement('div');
bar.id = 'statusBar';
bar.className = 'status-bar';
bar.innerHTML = `
<span class="status-label">连通性检测</span>
<span class="status-item" id="status-arxiv"><span class="status-dot"></span> arXiv <span class="status-ms" id="ms-arxiv">—</span></span>
<span class="status-item" id="status-hf"><span class="status-dot"></span> HuggingFace <span class="status-ms" id="ms-hf">—</span></span>
`;
document.body.appendChild(bar);
}
function setStatus(id, ok, ms, aborted) {
networkStatus[id.replace('status-','')] = ok;
const el = document.getElementById(id);
if (!el) return;
const dot = el.querySelector('.status-dot');
dot.className = 'status-dot ' + (ok ? 'status-ok' : 'status-fail');
const msEl = document.getElementById('ms-' + id.replace('status-',''));
if (msEl) {
if (aborted) msEl.textContent = '超时 (4s)';
else if (ok) msEl.textContent = ms + 'ms';
else msEl.textContent = '—';
}
}
async function checkSource(name, url, statusId) {
const start = performance.now();
let aborted = false;
// Add cache-buster and force no-store to avoid browser caching
const probeUrl = url + '?_=' + Date.now();
try {
const ctrl = new AbortController();
setTimeout(() => { aborted = true; ctrl.abort(); }, 4000);
await fetch(probeUrl, { mode: 'no-cors', signal: ctrl.signal, cache: 'no-store' });
const ms = Math.round(performance.now() - start);
setStatus(statusId, true, ms, false);
} catch {
const ms = Math.round(performance.now() - start);
setStatus(statusId, false, ms, aborted);
}
}
async function checkSources() {
checkSource('arxiv', 'https://arxiv.org/favicon.ico', 'status-arxiv');
checkSource('hf', 'https://huggingface.co/favicon.ico', 'status-hf');
}
// ═══════════════ GLOW ══════════════════════════════════
function attachGlowTracking() {
$$('.card').forEach(card => {
card.addEventListener('mousemove', e => {
const rect = card.getBoundingClientRect();
card.style.setProperty('--mx', ((e.clientX - rect.left) / rect.width * 100) + '%');
card.style.setProperty('--my', ((e.clientY - rect.top) / rect.height * 100) + '%');
});
});
}
// ═══════════════ CARDS -> MODAL -> PAPERS ═══════════════
function renderCards(mods) {
$('#moduleGrid').innerHTML = mods.map(m => `
<div class="card card-${m.id}" onclick="openModule('${m.id}')">
<div class="card-header"><span class="card-icon">${m.icon}</span> ${m.name}</div>
<div class="card-desc">${m.desc}</div>
<div class="card-badge">${m.area_count} 子领域 · ${m.paper_count} 篇</div>
</div>`).join('');
}
async function openModule(modId) {
let data = moduleData[modId];
if (!data) {
try { data = await (await fetch(`${API}/modules/${modId}`)).json(); moduleData[modId] = data; }
catch (e) { return; }
}
const mod = modules[modId];
$('#modalTitle').innerHTML = `<span class="card-icon">${mod?.icon||''}</span> ${data.name}`;
$('#modalSubtitle').textContent = data.desc || '';
const areas = data.areas || [];
$('#modalTabs').innerHTML = areas.map((a,i) =>
`<button class="tab ${i===0?'active':''}" onclick="switchArea(${i})">${a.name}</button>`).join('');
if (areas.length > 0) { $('#modalTabs').dataset.areaIdx = '0'; renderPapers(areas[0]); }
$('#overlay').classList.add('open');
}
function switchArea(idx) {
const data = Object.values(moduleData).find(d => d.areas && d.areas[idx]);
if (!data) return;
$$('#modalTabs .tab').forEach((t,i) => t.classList.toggle('active', i===idx));
renderPapers(data.areas[idx]);
}
function closeModal() { $('#overlay').classList.remove('open'); }
function renderPapers(area) {
let h = '';
function s(l, ps, c) { return ps.length ? `<div class="section-label ${c}">${l}</div>`+ps.map(renderPaper).join('') : ''; }
h += s('📌 主线论文', area.mainline||[], 'mainline');
h += s('🌿 支线论文', area.branches||[], 'branch');
h += s('🔮 前瞻探索', area.forward||[], 'forward');
$('#modalContent').innerHTML = h || '<p style="color:var(--text-dim);padding:20px;">暂无论文数据</p>';
}
function renderPaper(p) {
const pdfUrl = getPdfLink(p);
const id = 'p'+Math.random().toString(36).slice(2,8);
const tags = (p.tags||[]).map(t => `<span class="paper-tag ${TAG_CLASS[t]||'tag-branch'}">${t}</span>`).join(' ');
const links = [];
if (pdfUrl) links.push(`<button class="paper-link" data-pdf="${encodeURIComponent(pdfUrl)}" data-title="${encodeURIComponent(p.title)}" onclick="openPdfBtn(this)">📄 阅读</button>`);
else if (p.arxiv) links.push(`<a class="paper-link" href="https://arxiv.org/abs/${p.arxiv}" target="_blank">📋 arXiv</a>`);
return `<div class="paper-item"><div class="paper-year">${p.year||'—'}</div><div class="paper-body" id="${id}">
<div class="paper-title">${p.title}</div>
<div class="paper-meta"><span>${p.authors||''}</span>${p.venue?`<span class="paper-venue">${p.venue}</span>`:''}${tags}</div>
<div class="paper-links">${links.join('')}</div>
</div></div>`;
}
function getPdfLink(p) {
if (p.pdf) return p.pdf;
if (p.arxiv) return `https://arxiv.org/pdf/${p.arxiv}.pdf`;
return null;
}
function openPdfBtn(btn) { openPdf(btn.dataset.pdf, btn.dataset.title); }
// ═══════════════ PDF VIEWER (状态条驱动) ═══════════════
function getLocalPdfUrl(extUrl) {
const am = extUrl.match(/arxiv\.org\/pdf\/(\d+\.\d+)/);
if (am) return `/papers/arxiv/${am[1]}.pdf`;
if (extUrl.includes('huggingface.co')) return `/papers/hf/${extUrl.split('/').pop().replace('.pdf','')}.pdf`;
return null;
}
function openPdf(url, title) {
const decodedUrl = decodeURIComponent(url);
const decodedTitle = decodeURIComponent(title);
currentPdf = decodedUrl;
const hkFallback = getLocalPdfUrl(decodedUrl);
if (!$('#pdfOverlay')) {
const div = document.createElement('div'); div.id='pdfOverlay'; div.className='pdf-overlay';
div.innerHTML = `<div class="pdf-container" id="pdfContainer">
<div class="pdf-toolbar"><span id="pdfTitle">PDF</span><span id="pdfStatus" style="color:var(--orange);font-size:0.8em;margin-left:8px;display:none"></span>
<button onclick="window.open(currentPdf,'_blank')">🔗 新窗口</button>
<button class="pdf-close" onclick="closePdf()">&times;</button></div>
<iframe class="pdf-frame" id="pdfFrame" src=""></iframe></div>`;
document.body.appendChild(div);
div.addEventListener('click', e => { if (e.target===div) closePdf(); });
}
if (pdfTimeout) { clearTimeout(pdfTimeout); pdfTimeout = null; }
$('#pdfTitle').textContent = decodedTitle;
$('#pdfStatus').style.display = 'none';
const frame = $('#pdfFrame');
let loaded = false;
let abortCtrl = null;
frame.src = 'about:blank';
frame.onload = () => {
loaded = true;
if (pdfTimeout) { clearTimeout(pdfTimeout); pdfTimeout = null; }
$('#pdfStatus').style.display = 'none';
};
const isArxiv = decodedUrl.includes('arxiv.org');
const remoteOk = (isArxiv && networkStatus['arxiv'] !== false);
// arXiv: iframe 直连（跨域，IDM 只能认了）
if (remoteOk) {
loaded = false;
$('#pdfStatus').textContent = '🌐 arXiv 加载中...';
$('#pdfStatus').style.display = '';
frame.onload = () => { loaded=true; $('#pdfStatus').style.display='none'; };
frame.src = decodedUrl;
pdfTimeout = setTimeout(async () => {
if (loaded) return;
if (!hkFallback) { $('#pdfStatus').textContent='⚠️ arXiv 超时'; return; }
// fallback to HK, use fetch→blob to beat IDM
$('#pdfStatus').textContent = '⏳ arXiv 超时，走 HK 服务器...';
try {
const resp = await fetch(hkFallback, { cache:'default' });
const blobUrl = URL.createObjectURL(await resp.blob());
$('#pdfStatus').textContent = '';
frame.src = blobUrl;
} catch(e) { $('#pdfStatus').textContent = '⚠️ HK 加载失败'; }
}, 5000);
} else {
// arXiv down / local / HF → use HK with fetch→blob
const src = hkFallback || decodedUrl;
$('#pdfStatus').textContent = hkFallback ? '📂 HK 服务器加载中...' : '⏳ 加载中...';
$('#pdfStatus').style.display = '';
try {
const resp = await fetch(src, { cache:'default' });
const blobUrl = URL.createObjectURL(await resp.blob());
$('#pdfStatus').textContent = '';
frame.src = blobUrl;
} catch(e) { $('#pdfStatus').textContent = '⚠️ 加载失败'; }
}
$('#pdfOverlay').classList.add('open');
}
function closePdf() {
if (pdfTimeout) { clearTimeout(pdfTimeout); pdfTimeout = null; }
$('#pdfOverlay').classList.remove('open');
$('#pdfFrame').src = '';
currentPdf = null;
}
// ═══════════════ SEARCH ═══════════════════════════════
function searchPapers(q) {
q = (q||'').toLowerCase().trim();
if (q.length<2) { $$('.card').forEach(c=>c.style.outline=''); return; }
fetch(`${API}/papers?q=${encodeURIComponent(q)}&limit=10`).then(r=>r.json()).then(ps=>{
const matched = new Set(ps.map(p=>p.module_id));
$$('.card').forEach(c=>{
const m=[...c.classList].find(x=>x.startsWith('card-'))?.replace('card-','');
c.style.outline=matched.has(m)?'2px solid var(--green)':'';
});
});
}
// ═══════════════ EVENTS ═══════════════════════════════
if (typeof document !== 'undefined') {
document.addEventListener('DOMContentLoaded', () => {
init();
$('.search-input').addEventListener('input', e => searchPapers(e.target.value));
$('#modalClose').addEventListener('click', closeModal);
$('#overlay').addEventListener('click', e => { if (e.target===$('#overlay')) closeModal(); });
});
}
</script>
</body>
</html>