// ==UserScript== // @name ArXiv Hub · 论桥 / 一篇论文，全部入口 // @name:zh-CN ArXiv Hub · 论桥 / 一篇论文，全部入口 // @namespace https://github.com/Peaceful-World-X/ArXivHub // @version v1.2.4 // @description ArXiv Hub paper links, citation and like counts, text document actions, and personal shortcuts, with TLDR summaries. // @description:zh-CN 与论桥论文页同步的导航、引用数和点赞数，支持文字原文入口、自定义网站、Zotero TLDR 与 ArXiv TLDR。 // @author Peaceful-World-X // @license MIT // @homepageURL https://github.com/Peaceful-World-X/ArXivHub // @supportURL https://github.com/Peaceful-World-X/ArXivHub/issues // @updateURL https://raw.githubusercontent.com/Peaceful-World-X/ArXivHub/main/ArXivHub.user.js // @downloadURL https://raw.githubusercontent.com/Peaceful-World-X/ArXivHub/main/ArXivHub.user.js // @match https://www.alphaxiv.org/abs/* // @match https://alphaxiv.org/abs/* // @match https://arxiv.org/abs/* // @match https://www.arxiv.org/abs/* // @match https://www.arxivisual.org/abs/* // @match https://arxivisual.org/abs/* // @match https://arxivhub.github.io/* // @match http://localhost/* // @match http://127.0.0.1/* // @icon https://raw.githubusercontent.com/Peaceful-World-X/ArXivHub/main/public/favicon.svg // @grant GM_xmlhttpRequest // @grant GM_getValue // @grant GM_setValue // @grant GM_deleteValue // @grant GM_setClipboard // @connect arxivtldr.org // @connect api.semanticscholar.org // @connect api.alphaxiv.org // @connect api.openalex.org // @connect www.semanticscholar.org // @connect r.jina.ai // @connect cdn.hjfy.top // @run-at document-idle // ==/UserScript== /** * @changelog 更新日志 * * v1.2.4 (2026-10-13) * - 静态网页，脚本辅助获取 TLDR * * v1.2.3 (2026-10-05) * - 宣传版本 * - 同步论文页快捷入口：PDF、HTML、MD、TeX、TB、BibTex。 * - 支持引用量、点赞数、ArXiv TLDR 和 Zotero TLDR。 * - 支持自定义网站，入口可添加、编辑和删除。 * */ /* global GM_xmlhttpRequest, GM_getValue, GM_setValue, GM_deleteValue, GM_setClipboard */ (function () { 'use strict'; /** * true = 打开 arXiv / alphaXiv 后自动打开 Papers.cool * false = 只添加导航入口 */ const AUTO_REDIRECT = false; /** * true = 在 arXiv 右侧栏直接显示 ArXiv TLDR 摘要 * false = 不显示摘要卡片 */ const SHOW_ARXIV_TLDR = true; /** * true = 显示 Zotero TLDR 同源摘要（Semantic Scholar tldr 字段） * false = 不显示 */ const SHOW_ZOTERO_STYLE_TLDR = true; /** * true = 在 arXiv 彩色书签中显示 alphaXiv * false = 不显示 * */ const SHOW_ALPHAXIV_CARD = true; /** * ArXiv TLDR 默认展开，显示首段摘要。 * 这里只控制初始 UI 状态；摘要仍会在后台加载，展开时无需等待。 */ const ARXIV_TLDR_DEFAULT_COLLAPSED = false; // 成功摘要永久保留；每次打开仍后台刷新，失败或暂无摘要不覆盖上次成功结果。 // 已收录但暂时没有 TLDR 的结果只缓存 12 小时，便于新论文稍后补齐。 const SEMANTIC_SCHOLAR_TLDR_EMPTY_CACHE_TTL = 12 * 60 * 60 * 1000; // 匿名请求共享公共额度。429 时进入冷却，避免刷新页面继续打 API。 const SEMANTIC_SCHOLAR_DEFAULT_COOLDOWN_MS = 15 * 60 * 1000; // 即使配置了 API Key，也主动控制在约 1 req/s 以下。 const SEMANTIC_SCHOLAR_MIN_REQUEST_INTERVAL_MS = 1250; // Semantic Scholar API Key 仅保存在 Tampermonkey 本地存储中。 const SEMANTIC_SCHOLAR_API_KEY_STORAGE = 'arxiv-bridge-semantic-scholar-api-key'; const SEMANTIC_SCHOLAR_COOLDOWN_STORAGE = 'arxiv-bridge-semantic-scholar-cooldown-until'; const SEMANTIC_SCHOLAR_LAST_REQUEST_STORAGE = 'arxiv-bridge-semantic-scholar-last-request-at'; // ArXiv TLDR 生成中时额外重试 2 次，共请求最多 3 次。 const ARXIV_TLDR_MAX_RETRIES = 2; /** * 当 ArXiv TLDR 的 Next.js 页面只返回 hydration shell 时， * 使用 Jina Reader 读取同一个公开页面作为最终兜底。 * 这里只发送公开的论文 URL，不发送任何账号或浏览器数据。 */ const USE_JINA_FALLBACK = true; // ── 节点 ID ── const ALPHAXIV_PAPERS_ID = 'papers-cool-nav-link'; const ALPHAXIV_HJFY_ID = 'hjfy-nav-link'; const BOOKMARKS_ID = 'arxivhub-bookmarks'; const DOCUMENT_LINKS_ID = 'arxivhub-document-links'; const METRICS_ID = 'arxivhub-paper-metrics'; const CUSTOM_DIALOG_ID = 'arxivhub-custom-sites-dialog'; const CUSTOM_SITE_STORAGE = 'arxivhub-custom-sites-v1'; const HUB_URL = 'https://arxivhub.github.io/'; const ZOTERO_TLDR_CARD_ID = 'zotero-style-tldr-sidebar-card'; const ARXIV_TLDR_CARD_ID = 'arxivtldr-sidebar-card'; const ARXIV_VISUAL_STATUS_ID = 'arxivisual-status-badge'; // ── 图标 ── const PAPERS_ICON = 'https://papers.cool/static/favicon.ico'; // 幻觉翻译彩色圆形图标 const HJFY_ICON = 'https://cdn.hjfy.top/web/assets/logo-CXAgV_6N.svg'; // GitHub Raw 加载失败时的备用地址 const HJFY_ICON_FALLBACK = 'https://cdn.jsdelivr.net/gh/yuchenwu73/ArXiv-Hjfy-Switcher@main/icons/icon128.png'; // Hub logo: public/favicon.svg. // Bundled official brand assets keep the bookmark icons independent of third-party requests. const BOOKMARK_ICONS = { "hub": "data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAzMiAzMiI+CiAgPHJlY3Qgd2lkdGg9IjMyIiBoZWlnaHQ9IjMyIiByeD0iOCIgZmlsbD0iI2ZmZjFlZSIvPgogIDxwYXRoIGZpbGw9IiMyYjFiMWMiIGQ9Ik0xNiA0LjUgNiAyNy41aDQuOEwxNiA5LjhsNS4yIDE3LjdIMjZaIi8+CiAgPHJlY3QgeD0iMTEiIHk9IjE4LjYiIHdpZHRoPSIxMCIgaGVpZ2h0PSIyLjgiIGZpbGw9IiNiMzFiMWIiLz4KPC9zdmc+Cg==", "alphaxiv": 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", 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['#5264a1', '#eef0fd'], ['#69813b', '#f0f5df'], ['#278355', '#e7f4ea'], ['#7952a3', '#f1eafa'], ['#397ac1', '#e7f0fc'], ['#775f46', '#f4ede5'], ['#308584', '#e4f4f2'], ['#a54f43', '#f7e9e2'], ['#9b7613', '#fff4cf'], ]; const HUB_SITE = { id: 'hub', label: 'ArXiv Hub · 论桥', color: '#b31b1b', background: '#f8e0dc', url: (id) => `${HUB_URL}p/${id.replaceAll('/', '~')}` }; const BOOKMARK_SITES = paperServices.quickSites.map((site, index) => ({ ...site, color: BOOKMARK_COLORS[index % BOOKMARK_COLORS.length][0], background: BOOKMARK_COLORS[index % BOOKMARK_COLORS.length][1], url: (id, title) => paperServices.getSiteUrl(site.id, { id, title }), })); const SOCIAL_SITES = paperServices.socialSites.map((site) => ({ ...site, url: (id, title) => paperServices.getSiteUrl(site.id, { id, title }), })); // ── 共用样式与 UI ── // Scoped styles keep the native sidebar intact; bookmark rows share a fixed height. function ensureBridgeStyles() { if (document.getElementById('arxiv-bridge-styles')) return; const 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color: #392822; font: inherit; } #arxivhub-custom-sites-dialog p { font-size: 12px; margin: 8px 0; } #arxivhub-custom-sites-dialog button { padding: 6px 12px; border: 1px solid #ceb0a0; border-radius: 6px; background: #fffaf6; color: #813d27; font: inherit; cursor: pointer; } #arxivhub-custom-sites-dialog .ab-custom-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 12px; } #arxivhub-custom-sites-dialog .ab-custom-list { margin-top: 16px; padding-top: 8px; border-top: 1px solid #dec5b8; } #arxivhub-custom-sites-dialog .ab-custom-row { display: flex; align-items: center; gap: 6px; padding: 5px 0; } #arxivhub-custom-sites-dialog .ab-custom-row span { flex: 1; min-width: 0; overflow-wrap: anywhere; } #arxivhub-custom-sites-dialog [role="alert"] { color: #a32323; } @media (max-width: 640px) { #arxivhub-bookmarks .ab-social-link { flex-basis: 44px; width: 44px; height: 44px; } #arxivhub-document-links .ab-document-link { height: 44px; font-size: 11px; } } @media 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0 auto; margin: 0; padding: 3px 6px; border: 1px solid #d4cbc5; border-radius: 4px; background: #fff; color: #666; font: 11px/1.2 Arial, "Microsoft YaHei", sans-serif; cursor: pointer; } .ab-summary-body:not([hidden]) { padding-bottom: 8px; } .ab-card [hidden] { display: none !important; } .ab-card a:focus-visible, .ab-card button:focus-visible, .ab-nav-link:focus-visible { outline: 2px solid #b42335; outline-offset: 2px; } .ab-tldr-message { padding: 12px 0 4px; color: #666; font-size: 13px; line-height: 1.5; } .ab-card p.ab-tldr-message { margin: 0; padding: 0 0 4px; } .ab-nav-link { display: inline-flex; align-items: center; justify-content: center; height: 48px; margin: 0; padding: 0 14px; border: 0; border-bottom: 2px solid transparent; background: transparent; color: #4b5563; font-size: 16px; font-weight: 400; line-height: 1; text-decoration: none; cursor: pointer; white-space: nowrap; box-sizing: border-box; } .ab-nav-link:hover, .ab-nav-link:focus-visible { color: var(--ab-hover); border-bottom-color: var(--ab-hover); } .ab-visual-status { position: fixed; top: 16px; right: 16px; z-index: 2147483000; display: inline-flex; align-items: center; gap: 8px; max-width: min(360px, calc(100vw - 32px)); padding: 10px 14px; border: 1px solid; border-radius: 12px; box-shadow: 0 8px 28px rgba(0, 0, 0, .28); box-sizing: border-box; font: 13px/1.35 Arial, "Microsoft YaHei", "PingFang SC", sans-serif; backdrop-filter: blur(12px); } .ab-visual-status a { color: inherit; font-weight: 700; text-decoration: none; white-space: nowrap; } .ab-visual-status strong { font-weight: 700; } .ab-visual-status[data-state="unavailable"] { border-color: rgba(248, 113, 113, .55); background: rgba(69, 10, 10, .88); color: #fecaca; } .ab-visual-status[data-state="available"] { border-color: rgba(74, 222, 128, .5); background: rgba(5, 46, 22, .88); color: #bbf7d0; } `; (document.head || document.documentElement).appendChild(style); } // 统一外链属性，所有服务继续在新标签页打开。 function createExternalLink(url, title = '') { const link = document.createElement('a'); link.href = url; link.target = '_blank'; link.rel = 'noopener noreferrer'; link.title = title; return link; } // 两种摘要共用卡片和折叠逻辑，正文加载不影响用户选择的折叠状态。 function createSummaryCard({ id, arxivId, url, title, tooltip, theme, bodyKey, collapsed, onExpand }) { const card = document.createElement('section'); card.id = id; card.dataset.arxivId = arxivId; card.className = `ab-card ab-summary-${theme}`; const header = document.createElement('div'); header.className = 'ab-row ab-summary-header'; const link = createExternalLink(url, tooltip); link.className = 'ab-summary-title'; link.textContent = title; const body = document.createElement('div'); body.id = `${id}-body`; body.className = 'ab-summary-body'; body.dataset[bodyKey] = 'true'; body.setAttribute('aria-live', 'polite'); const toggle = document.createElement('button'); toggle.type = 'button'; toggle.className = 'ab-summary-toggle'; toggle.setAttribute('aria-controls', body.id); // 同步可见状态、按钮文字与无障碍属性。 const setCollapsed = (value) => { body.hidden = value; body.style.display = value ? 'none' : ''; toggle.textContent = value ? '展开' : '收起'; toggle.setAttribute('aria-expanded', String(!value)); }; setCollapsed(collapsed); toggle.addEventListener('click', () => { setCollapsed(!body.hidden); if (!body.hidden) onExpand?.(card); }); header.append(link, toggle); card.append(header, body); return card; } // ── 获取 arXiv ID ── function getArxivId() { const match = location.pathname.match(/^\/abs\/(.+?)\/?$/); if (!match) return null; try { const id = decodeURIComponent(match[1]); return /^(?:\d{4}\.\d{4,5}|[a-z][a-z.-]*\/\d{7})(?:v\d+)?$/i.test(id) ? id : null; } catch { return null; } } function getPaperTitle() { const meta = document.querySelector('meta[name="citation_title"]'); if (meta?.content.trim()) return normalizeText(meta.content); const heading = document.querySelector('h1.title, h1'); if (!heading) return getArxivId(); const title = heading.cloneNode(true); title.querySelectorAll('.descriptor').forEach((node) => node.remove()); return normalizeText(title.textContent) || getArxivId(); } function getPaperContext() { const id = (getArxivId() || '').replace(/v\d+$/i, ''); const doi = document.querySelector('meta[name="citation_doi"]')?.content?.trim(); return { id, title: getPaperTitle() || id, doi: doi || undefined }; } // The shared website code receives a public GET-only GM transport and private GM storage. function fetchWithGM(input, options = {}) { const url = new URL(String(input)); const allowed = ['api.semanticscholar.org', 'www.semanticscholar.org', 'r.jina.ai', 'api.alphaxiv.org', 'api.openalex.org']; if (url.protocol !== 'https:' || !allowed.includes(url.hostname) || url.username || url.password || (options.method && options.method !== 'GET')) { return Promise.reject(new Error('Unsupported paper request')); } return new Promise((resolve, reject) => { let request; let finished = false; const finish = (callback, value) => { if (finished) return; finished = true; options.signal?.removeEventListener('abort', abort); callback(value); }; const abort = () => { request?.abort?.(); finish(reject, options.signal?.reason || new DOMException('Aborted', 'AbortError')); }; if (options.signal?.aborted) { abort(); return; } options.signal?.addEventListener('abort', abort, { once: true }); const headers = Object.fromEntries(new Headers(options.headers || {})); if (url.hostname === 'api.semanticscholar.org') { const key = getSemanticScholarApiKey(); if (key) headers['x-api-key'] = key; } try { request = GM_xmlhttpRequest({ method: 'GET', url: url.href, headers, anonymous: true, timeout: 25000, onload: (response) => { try { if (!response.status) throw new Error('Paper request failed'); const responseHeaders = new Headers(); for (const line of (response.responseHeaders || '').split(/\r?\n/)) { const colon = line.indexOf(':'); if (colon > 0) responseHeaders.append(line.slice(0, colon).trim(), line.slice(colon + 1).trim()); } finish(resolve, new Response([204, 205, 304].includes(response.status) ? null : response.responseText, { status: response.status, headers: responseHeaders })); } catch (error) { finish(reject, error); } }, onerror: () => finish(reject, new Error('Paper request failed')), ontimeout: () => finish(reject, new Error('Paper request timed out')), onabort: () => finish(reject, new DOMException('Aborted', 'AbortError')), }); } catch (error) { finish(reject, error); } }); } function customSiteUrl(template, ctx) { const replacements = { id: ctx.id, title: ctx.title || ctx.id, url: `https://arxiv.org/abs/${ctx.id}`, doi: paperServices.paperDoi(ctx) }; if (/\{(?!id\}|title\}|url\}|doi\})[^}]*\}/.test(template)) throw new Error('网址模板只支持 {id}、{title}、{url}、{doi}。'); const value = template.replace(/\{(id|title|url|doi)\}/g, (_match, key) => encodeURIComponent(replacements[key])); const url = new URL(value); if (!['https:', 'http:'].includes(url.protocol) || url.username || url.password) throw new Error('请使用不含账号密码的 HTTP 或 HTTPS 网址。'); return url.href; } function loadCustomSites() { const sites = gmGet(CUSTOM_SITE_STORAGE, []); if (!Array.isArray(sites)) return []; return sites.filter((site) => { if (!site || typeof site.id !== 'string' || !/^[\w-]{1,80}$/.test(site.id) || typeof site.name !== 'string' || !site.name.trim() || typeof site.url !== 'string') return false; try { customSiteUrl(site.url, { id: '1706.03762', title: 'Paper title' }); return true; } catch { return false; } }).slice(0, 30); } function syncCustomSites(social, ctx) { const sites = loadCustomSites(); const signature = JSON.stringify(sites); const customRow = social.querySelector('.ab-social-custom'); if (!customRow) return; if (customRow.dataset.customSites !== signature) { customRow.querySelectorAll('[data-custom-site]').forEach((node) => node.remove()); for (const site of sites) { const link = createExternalLink(customSiteUrl(site.url, ctx), site.name); link.className = 'ab-social-link'; link.dataset.customSite = site.id; link.setAttribute('aria-label', site.name); link.textContent = Array.from(site.name.trim()).slice(0, 2).join(''); customRow.appendChild(link); } customRow.dataset.customSites = signature; } for (const link of customRow.querySelectorAll('[data-custom-site]')) { const site = sites.find((item) => item.id === link.dataset.customSite); const href = customSiteUrl(site.url, ctx); if (link.href !== href) link.href = href; } } function openCustomSitesDialog() { if (document.getElementById(CUSTOM_DIALOG_ID)) return; const dialog = document.createElement('dialog'); dialog.id = CUSTOM_DIALOG_ID; dialog.setAttribute('aria-label', '自定义跳转网站'); const heading = document.createElement('h2'); heading.textContent = '自定义跳转网站'; const form = document.createElement('form'); const nameLabel = document.createElement('label'); nameLabel.textContent = '名称'; const name = document.createElement('input'); name.name = 'name'; name.required = true; name.maxLength = 32; nameLabel.appendChild(name); const urlLabel = document.createElement('label'); urlLabel.textContent = '网址模板'; const url = document.createElement('input'); url.name = 'url'; url.required = true; url.maxLength = 2048; url.placeholder = 'https://example.com/search?q={title}'; urlLabel.appendChild(url); const hint = document.createElement('p'); hint.textContent = '可使用 {id}、{title}、{url}、{doi}，自动填入当前论文。标题和链接会自动编码。'; const error = document.createElement('p'); error.setAttribute('role', 'alert'); const actions = document.createElement('div'); actions.className = 'ab-custom-actions'; const cancel = document.createElement('button'); cancel.type = 'button'; cancel.textContent = '取消'; cancel.addEventListener('click', () => dialog.close()); const save = document.createElement('button'); save.type = 'submit'; save.textContent = '保存'; actions.append(cancel, save); const list = document.createElement('div'); list.className = 'ab-custom-list'; let editing = null; const renderList = () => { list.replaceChildren(); for (const site of loadCustomSites()) { const row = document.createElement('div'); row.className = 'ab-custom-row'; const label = document.createElement('span'); label.textContent = site.name; const edit = document.createElement('button'); edit.type = 'button'; edit.textContent = '编辑'; edit.setAttribute('aria-label', `编辑 ${site.name}`); edit.addEventListener('click', () => { editing = site.id; name.value = site.name; url.value = site.url; error.textContent = ''; name.focus(); }); const remove = document.createElement('button'); remove.type = 'button'; remove.textContent = '删除'; remove.setAttribute('aria-label', `删除 ${site.name}`); remove.addEventListener('click', () => { gmSet(CUSTOM_SITE_STORAGE, loadCustomSites().filter((item) => item.id !== site.id)); if (editing === site.id) { editing = null; form.reset(); } renderList(); main(); }); row.append(label, edit, remove); list.appendChild(row); } }; form.addEventListener('submit', (event) => { event.preventDefault(); try { if (!name.value.trim()) throw new Error('请输入网站名称。'); let template = url.value.trim(); if (!/^[a-z][a-z\d+.-]*:/i.test(template)) template = `https://${template}`; customSiteUrl(template, getPaperContext()); const sites = loadCustomSites(); if (!editing && sites.length >= 30) throw new Error('最多保存 30 个自定义网站。'); const site = { id: editing || crypto.randomUUID(), name: name.value.trim(), url: template }; gmSet(CUSTOM_SITE_STORAGE, editing ? sites.map((item) => item.id === editing ? site : item) : [...sites, site]); main(); dialog.close(); } catch (reason) { error.textContent = reason.message || '请检查网址模板。'; } }); form.append(nameLabel, urlLabel, hint, error, actions); dialog.append(heading, form, list); dialog.addEventListener('close', () => dialog.remove(), { once: true }); document.body.appendChild(dialog); renderList(); dialog.showModal(); name.focus(); } function ensurePaperBookmarks() { const arxivId = getArxivId(); if (!arxivId) return null; const id = arxivId.replace(/v\d+$/i, ''); const title = getPaperTitle() || id; let nav = document.getElementById(BOOKMARKS_ID); if (!nav) { nav = document.createElement('nav'); nav.id = BOOKMARKS_ID; nav.setAttribute('aria-label', 'ArXiv Hub · 论桥 论文入口'); const sites = document.createElement('div'); sites.className = 'ab-sites'; for (const site of [HUB_SITE, ...BOOKMARK_SITES]) { if (site.id === 'alphaxiv' && !SHOW_ALPHAXIV_CARD) continue; const link = createExternalLink(site.url(id, title)); link.dataset.bookmark = site.id; link.className = `ab-bookmark${site.id === 'hub' ? ' ab-hub' : ''}`; link.style.setProperty('--ab-color', site.color); link.style.setProperty('--ab-background', site.background); appendBrand(link, site.label, BOOKMARK_ICONS[site.id], 26, 0); if (site.id === 'hub') nav.appendChild(link); else sites.appendChild(link); } nav.appendChild(sites); const social = document.createElement('div'); social.className = 'ab-social'; social.setAttribute('role', 'group'); social.setAttribute('aria-label', '论文讨论与检索'); const defaults = document.createElement('div'); defaults.className = 'ab-social-row ab-social-defaults'; const add = document.createElement('button'); add.type = 'button'; add.className = 'ab-social-link ab-add-site'; add.textContent = '+'; add.setAttribute('aria-label', '添加自定义网站'); add.title = '添加自定义网站'; add.addEventListener('click', openCustomSitesDialog); defaults.appendChild(add); for (const site of SOCIAL_SITES) { const link = createExternalLink(site.url(id, title)); link.dataset.bookmark = site.id; link.className = 'ab-social-link'; link.setAttribute('aria-label', site.label); appendBrand(link, site.label, BOOKMARK_ICONS[site.id], 22, 0); defaults.appendChild(link); } const custom = document.createElement('div'); custom.className = 'ab-social-row ab-social-custom'; social.append(defaults, custom); nav.appendChild(social); } for (const site of [HUB_SITE, ...BOOKMARK_SITES, ...SOCIAL_SITES]) { const link = nav.querySelector(`[data-bookmark="${site.id}"]`); if (!link) continue; const href = site.url(id, title); if (link.href !== href) link.href = href; const tooltip = `${site.label} · ${title}`; if (link.title !== tooltip) link.title = tooltip; } syncCustomSites(nav.querySelector('.ab-social'), getPaperContext()); if (nav.dataset.arxivId !== arxivId) nav.dataset.arxivId = arxivId; return nav; } function ensureDocumentLinks(sidebar) { const id = getArxivId(); if (!id) return null; const canonical = id.replace(/v\d+$/i, ''); // 油猴脚本顶部隐藏 DOI，避免与网页端的复制按钮重复。 const formats = paperServices.DOCUMENT_ACTIONS.filter((format) => format.id !== 'doi'); const titles = { pdf: 'PDF', html: 'HTML', md: 'Markdown 全文', src: 'TeX 源码', tb: 'arXiv 外部引用（Trackbacks）', doi: 'DOI', bibtex: '复制 BibTeX' }; let nav = document.getElementById(DOCUMENT_LINKS_ID); if (!nav) { nav = document.createElement('nav'); nav.id = DOCUMENT_LINKS_ID; nav.setAttribute('aria-label', '论文原文'); for (const format of formats) { const link = format.id === 'bibtex' ? document.createElement('button') : createExternalLink(''); link.className = 'ab-document-link'; link.dataset.documentFormat = format.id; link.title = titles[format.id] || format.label; link.setAttribute('aria-label', titles[format.id] || format.label); link.textContent = format.label; if (format.id === 'bibtex') { link.type = 'button'; link.addEventListener('click', () => copyPaperBibtex(link)); } nav.appendChild(link); } } for (const format of formats) { if (format.id === 'bibtex') continue; let href = paperServices.documentLinkUrl(format.id, { ...getPaperContext(), id }); // Prefer the native download URLs, especially the versioned HTML link. for (const nativeLink of sidebar.querySelectorAll('.full-text a[href]')) { try { const url = new URL(nativeLink.href, location.href); const match = url.pathname.match(/^\/(pdf|html|src)\/(.+)$/); if (url.protocol !== 'https:' || !/^(www\.)?arxiv\.org$/i.test(url.hostname) || match?.[1] !== format.id) continue; if (decodeURIComponent(match[2]).replace(/\.pdf$/i, '').replace(/v\d+$/i, '') !== canonical) continue; href = url.href; break; } catch { continue; } } const link = nav.querySelector(`[data-document-format="${format.id}"]`); if (link.href !== href) link.href = href; } return nav; } async function copyPaperBibtex(button) { const ctx = getPaperContext(); const authors = [...document.querySelectorAll('meta[name="citation_author"]')].map((meta) => meta.content.trim()).filter(Boolean); const date = document.querySelector('meta[name="citation_date"], meta[name="citation_publication_date"]')?.content; const year = date?.match(/\b\d{4}\b/)?.[0] || (/^\d{4}\./.test(ctx.id) ? String(2000 + Number(ctx.id.slice(0, 2))) : ''); const category = document.querySelector('.primary-subject')?.textContent?.match(/\(([^)]+)\)/)?.[1]; const fields = [ ['title', ctx.title], ['author', authors.join(' and ')], ['year', year], ['eprint', ctx.id], ['archivePrefix', 'arXiv'], ['primaryClass', category], ['url', `https://arxiv.org/abs/${ctx.id}`], ['doi', paperServices.paperDoi(ctx)], ].filter(([, value]) => value); const bibtex = `@article{arxiv${ctx.id.replace(/[^a-z0-9]/gi, '')},\n${fields.map(([key, value]) => ` ${key}={${value}}`).join(',\n')}\n}`; try { if (typeof GM_setClipboard === 'function') GM_setClipboard(bibtex, 'text'); else await navigator.clipboard.writeText(bibtex); button.textContent = '✓'; button.dataset.copied = 'true'; } catch { button.textContent = '!'; button.title = '复制失败，请重试'; } clearTimeout(button.copyTimer); button.copyTimer = setTimeout(() => { button.textContent = 'BibTex'; button.dataset.copied = 'false'; button.title = '复制 BibTeX'; }, 600); } // 用统一的线性 SVG 区分引用与点赞，避免依赖字体或远程图标。 function createMetricIcon(kind) { const ns = 'http://www.w3.org/2000/svg'; const icon = document.createElementNS(ns, 'svg'); icon.setAttribute('class', 'ab-metric-icon'); icon.setAttribute('viewBox', '0 0 24 24'); icon.setAttribute('aria-hidden', 'true'); icon.setAttribute('focusable', 'false'); const path = document.createElementNS(ns, 'path'); path.setAttribute('d', kind === 'citations' ? 'M9 6H5a2 2 0 0 0-2 2v4a2 2 0 0 0 2 2h4V6Zm0 8c0 3-2 5-5 5M21 6h-4a2 2 0 0 0-2 2v4a2 2 0 0 0 2 2h4V6Zm0 8c0 3-2 5-5 5' : 'M7 10H4a1 1 0 0 0-1 1v9a1 1 0 0 0 1 1h3V10Zm0 0 5-7a2 2 0 0 1 2 2l-1 5h6a2 2 0 0 1 2 2l-2 7a2 2 0 0 1-2 2H7'); icon.appendChild(path); return icon; } function ensurePaperMetrics() { const ctx = getPaperContext(); if (!ctx.id) return null; let row = document.getElementById(METRICS_ID); if (!row) { row = document.createElement('div'); row.id = METRICS_ID; for (const [key, label] of [['citations', '引用'], ['likes', '点赞']]) { const link = createExternalLink(''); link.dataset.metric = key; link.setAttribute('aria-label', label); const value = document.createElement('span'); value.className = 'ab-metric-value'; value.textContent = `${label} -`; link.append(createMetricIcon(key), value); row.appendChild(link); } } const requestKey = JSON.stringify(ctx); if (row.dataset.requestKey === requestKey) return row; row.dataset.requestKey = requestKey; for (const [key, label, source, read, load, fallback] of [ ['citations', '引用', 'Semantic Scholar', () => paperServices.readCachedPaperCitations(ctx), () => paperServices.fetchPaperCitations(ctx, true), () => paperServices.citationPageUrl(ctx)], ['likes', '点赞', 'alphaXiv', () => paperServices.readCachedAlphaXivLikes(ctx.id), () => paperServices.fetchAlphaXivLikes(ctx.id, true), () => `https://www.alphaxiv.org/abs/${ctx.id}`], ]) { const link = row.querySelector(`[data-metric="${key}"]`); const render = (refreshFailed = false) => { const cached = read(); const value = cached?.value; const count = key === 'citations' ? value?.citationCount : value; const valid = Number.isSafeInteger(count) && count >= 0; link.querySelector('.ab-metric-value').textContent = `${label} ${valid ? count.toLocaleString('zh-CN') : '-'}`; link.dataset.count = valid ? String(count) : '-'; link.href = key === 'citations' ? value?.url || fallback() : fallback(); link.title = `${key === 'citations' ? value?.source || source : source}${valid ? ` · 获取于 ${new Date(cached.at).toLocaleString('zh-CN')}${refreshFailed ? ' · 更新失败，显示缓存' : ''}` : ' · 暂无可用数据'}`; }; render(); void load().then( (value) => { if (row.isConnected && row.dataset.requestKey === requestKey) render(value === null); }, () => { if (row.isConnected && row.dataset.requestKey === requestKey) render(true); }, ); } return row; } // ── 生成目标 URL ── function getPapersCoolUrl() { const id = getArxivId(); return id ? `https://papers.cool/arxiv/${id}` : null; } function getHjfyUrl() { const id = getArxivId(); return id ? `https://hjfy.top/arxiv/${id}` : null; } function getArxivVisualUrl() { const id = getArxivId(); return id ? `https://www.arxivisual.org/abs/${id}` : null; } function isArxivVisualHost() { return /(^|\.)arxivisual\.org$/i.test(location.hostname); } function getArxivTldrUrl() { const id = getArxivId(); return id ? `https://arxivtldr.org/abs/${id}` : null; } function getSemanticScholarApiUrl(arxivId) { if (!arxivId) { return null; } const canonicalArxivId = arxivId.replace(/v\d+$/i, ''); const paperId = encodeURIComponent(`ARXIV:${canonicalArxivId}`); return ( `https://api.semanticscholar.org/graph/v1/paper/${paperId}` + '?fields=title,url,tldr,externalIds' ); } function getSemanticScholarSearchUrl(arxivId) { if (!arxivId) { return null; } const ctx = { ...getPaperContext(), id: arxivId.replace(/v\d+$/i, '') }; const known = paperServices.citationPageUrl(ctx); return known.startsWith('https://www.semanticscholar.org/') ? known : 'https://www.semanticscholar.org/search?q=' + encodeURIComponent(ctx.title); } // ── alphaXiv 辅助函数 ── // 优先匹配承载文字的内层节点，避免把整个导航容器误当成按钮。 function findElementByExactText(text) { return Array.from(document.querySelectorAll('a, button, div, span')).find( (el) => el.textContent.trim() === text && !Array.from(el.children).some((child) => child.textContent.trim() === text) ); } function getClickableNavItem(el) { if (!el) { return null; } return el.closest('a, button, [role="tab"], [role="button"]') || el; } // ── 添加图标 + 文字 ── // 通过 GM 请求读取 HJFY SVG，绕过 arXiv 页面上的跨域资源 ORB 拦截。 function loadSvgIcon(icon, url, fallbackUrl) { if (typeof GM_xmlhttpRequest !== 'function') { icon.src = url; return; } const fallbackIcon = () => { if (fallbackUrl) { icon.src = fallbackUrl; } else { icon.style.display = 'none'; } }; GM_xmlhttpRequest({ method: 'GET', url, timeout: 10000, headers: {Accept: 'image/svg+xml,text/plain;q=0.9,*/*;q=0.8'}, onload: (response) => { if (response.status >= 200 && response.status < 300 && response.responseText) { icon.src = `data:image/svg+xml;charset=utf-8,${encodeURIComponent(response.responseText)}`; } else { fallbackIcon(); } }, ontimeout: fallbackIcon, onerror: fallbackIcon }); } function appendBrand(link, text, iconUrl, size, marginRight, fallbackUrl = null) { const icon = document.createElement('img'); const inlineSvg = iconUrl === HJFY_ICON; icon.src = inlineSvg ? 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=' : iconUrl; icon.alt = ''; icon.setAttribute('aria-hidden', 'true'); icon.style.cssText = ` width: ${size}px; height: ${size}px; margin-right: ${marginRight}px; object-fit: contain; flex: 0 0 auto; display: block; `; /** * 主地址加载失败时尝试备用地址。 */ if (inlineSvg) { loadSvgIcon(icon, iconUrl, fallbackUrl); } else if (fallbackUrl) { let fallbackUsed = false; icon.addEventListener('error', () => { if (!fallbackUsed) { fallbackUsed = true; icon.src = fallbackUrl; return; } icon.style.display = 'none'; }); } else { icon.addEventListener('error', () => { icon.style.display = 'none'; }); } const span = document.createElement('span'); span.textContent = text; link.append(icon, span); } // ── alphaXiv 顶部导航样式 ── // 创建 alphaXiv 顶栏入口，继承相邻导航项的字体。 function createAlphaLink({ id, url, text, icon, iconFallback = null, referenceEl, hoverColor }) { const link = createExternalLink(url, `在${text}中查看这篇论文`); link.id = id; link.className = 'ab-nav-link'; link.style.setProperty('--ab-hover', hoverColor); appendBrand(link, text, icon, 18, 8, iconFallback); if (referenceEl) { const style = getComputedStyle(referenceEl); for (const property of ['fontSize', 'fontWeight', 'fontFamily']) { link.style[property] = style[property]; } } return link; } // ── alphaXiv ── function insertAlphaXivLinks() { const papersUrl = getPapersCoolUrl(); const hjfyUrl = getHjfyUrl(); if (!papersUrl || !hjfyUrl) { return; } let papersLink = document.getElementById(ALPHAXIV_PAPERS_ID); let hjfyLink = document.getElementById(ALPHAXIV_HJFY_ID); /** * 两个入口都已经存在： * * 只更新 URL，不再操作 DOM。 * * 防止 MutationObserver * 无限触发导致页面一直加载。 */ if (papersLink && hjfyLink) { if (papersLink.href !== papersUrl) papersLink.href = papersUrl; if (hjfyLink.href !== hjfyUrl) hjfyLink.href = hjfyUrl; return; } const audioText = findElementByExactText('Audio') || findElementByExactText('音频'); const assistantText = findElementByExactText('Assistant') || findElementByExactText('助手'); const notesText = findElementByExactText('Notes') || findElementByExactText('我的笔记'); const commentsText = findElementByExactText('Comments') || findElementByExactText('评论'); const audioItem = getClickableNavItem(audioText); const assistantItem = getClickableNavItem(assistantText); const notesItem = getClickableNavItem(notesText); const commentsItem = getClickableNavItem(commentsText); const reference = audioItem || assistantItem || notesItem || commentsItem; // Papers.cool if (!papersLink) { papersLink = createAlphaLink({ id: ALPHAXIV_PAPERS_ID, url: papersUrl, text: 'Papers.cool', icon: PAPERS_ICON, referenceEl: reference, hoverColor: '#991b1b' }); } // 幻觉翻译 if (!hjfyLink) { hjfyLink = createAlphaLink({ id: ALPHAXIV_HJFY_ID, url: hjfyUrl, text: '幻觉翻译', icon: HJFY_ICON, iconFallback: HJFY_ICON_FALLBACK, referenceEl: reference, hoverColor: '#2563eb' }); } // 优先跟在 Audio / Assistant 后面，否则放到 Notes 前面。 const anchor = audioItem?.parentElement ? audioItem : assistantItem; if (anchor?.parentElement) { anchor.insertAdjacentElement('afterend', papersLink); papersLink.insertAdjacentElement('afterend', hjfyLink); } else if (notesItem?.parentElement) { notesItem.insertAdjacentElement('beforebegin', papersLink); papersLink.insertAdjacentElement('afterend', hjfyLink); } } // ── Zotero TLDR（Semantic Scholar） ── /** * Zotero TLDR 的数据源是 Semantic Scholar 的 `tldr` 字段。 * Semantic Scholar 匿名 API 使用共享额度，偶尔会直接返回 429。 * 脚本做了四层保护： * 1) 成功 TLDR 永久保留，打开时后台刷新； * 2) 跨标签页限速； * 3) 429 冷却，不因刷新继续请求； * 4) 可选 API Key（只保存在 Tampermonkey 本地）。 */ function gmGet(key, fallback = null) { try { const value = GM_getValue(key, fallback); return value === undefined ? fallback : value; } catch { return fallback; } } function gmSet(key, value) { try { GM_setValue(key, value); } catch { // 忽略 Tampermonkey 存储异常。 } } function gmDelete(key) { try { GM_deleteValue(key); } catch { // 忽略 Tampermonkey 存储异常。 } } function getSemanticScholarApiKey() { const value = gmGet(SEMANTIC_SCHOLAR_API_KEY_STORAGE, ''); return typeof value === 'string' ? value.trim() : ''; } function setSemanticScholarApiKey(value) { const key = (value || '').trim(); if (key) { gmSet(SEMANTIC_SCHOLAR_API_KEY_STORAGE, key); } else { gmDelete(SEMANTIC_SCHOLAR_API_KEY_STORAGE); } // 更换 key 后允许立即重新尝试。 gmDelete(SEMANTIC_SCHOLAR_COOLDOWN_STORAGE); } function getSemanticScholarCooldownUntil() { const raw = Number(gmGet(SEMANTIC_SCHOLAR_COOLDOWN_STORAGE, 0)); return Number.isFinite(raw) ? raw : 0; } function setSemanticScholarCooldown(ms) { gmSet(SEMANTIC_SCHOLAR_COOLDOWN_STORAGE, Date.now() + Math.max(1000, ms)); } function clearExpiredSemanticScholarCooldown() { const until = getSemanticScholarCooldownUntil(); if (until && until <= Date.now()) { gmDelete(SEMANTIC_SCHOLAR_COOLDOWN_STORAGE); return 0; } return until; } function parseResponseHeader(rawHeaders, headerName) { if (!rawHeaders) { return ''; } const wanted = headerName.toLowerCase(); const line = String(rawHeaders) .split(/\r?\n/) .find((item) => { const index = item.indexOf(':'); if (index < 0) { return false; } return item.slice(0, index).trim().toLowerCase() === wanted; }); if (!line) { return ''; } return line.slice(line.indexOf(':') + 1).trim(); } function parseRetryAfterMs(rawHeaders) { const value = parseResponseHeader(rawHeaders, 'retry-after'); if (!value) { return 0; } const seconds = Number(value); if (Number.isFinite(seconds) && seconds >= 0) { return seconds * 1000; } const date = Date.parse(value); if (Number.isFinite(date)) { return Math.max(0, date - Date.now()); } return 0; } async function waitForSemanticScholarSlot() { const lastRequestAt = Number(gmGet(SEMANTIC_SCHOLAR_LAST_REQUEST_STORAGE, 0)); const waitMs = Math.max( 0, SEMANTIC_SCHOLAR_MIN_REQUEST_INTERVAL_MS - (Date.now() - lastRequestAt) ); if (waitMs > 0) { await new Promise((resolve) => window.setTimeout(resolve, waitMs)); } gmSet(SEMANTIC_SCHOLAR_LAST_REQUEST_STORAGE, Date.now()); } async function requestSemanticScholarJson(url) { const checkCooldown = () => { const cooldownUntil = clearExpiredSemanticScholarCooldown(); if (cooldownUntil > Date.now()) { const error = new Error('Semantic Scholar 当前处于限流冷却中'); error.code = 'RATE_LIMIT_COOLDOWN'; error.cooldownUntil = cooldownUntil; throw error; } }; checkCooldown(); await waitForSemanticScholarSlot(); // 等待配额时其他论文/标签页可能收到了 429，发出请求前再次检查。 checkCooldown(); const headers = { Accept: 'application/json' }; const apiKey = getSemanticScholarApiKey(); if (apiKey) { // Semantic Scholar 官方要求 header 名为 x-api-key。 headers['x-api-key'] = apiKey; } return new Promise((resolve, reject) => { GM_xmlhttpRequest({ method: 'GET', url, timeout: 20000, headers, onload: (response) => { if (response.status >= 200 && response.status < 300) { clearExpiredSemanticScholarCooldown(); try { resolve(JSON.parse(response.responseText || '{}')); } catch { reject(new Error('Semantic Scholar 返回了无效 JSON')); } return; } if (response.status === 404) { const error = new Error('Semantic Scholar 暂未收录这篇论文'); error.code = 'NOT_FOUND'; reject(error); return; } if (response.status === 401) { const error = new Error('Semantic Scholar API Key 无效或未获授权'); error.code = 'BAD_API_KEY'; reject(error); return; } if (response.status === 429) { const retryAfter = parseRetryAfterMs(response.responseHeaders); const cooldownMs = Math.max( retryAfter, SEMANTIC_SCHOLAR_DEFAULT_COOLDOWN_MS ); setSemanticScholarCooldown(cooldownMs); const error = new Error('Semantic Scholar API 当前限流'); error.code = 'RATE_LIMIT'; error.cooldownUntil = Date.now() + cooldownMs; reject(error); return; } reject(new Error(`Semantic Scholar HTTP ${response.status}`)); }, ontimeout: () => { reject(new Error('Semantic Scholar 请求超时')); }, onerror: () => { reject(new Error('Semantic Scholar 网络请求失败')); } }); }); } function getSemanticTldrCacheKey(arxivId) { const canonical = (arxivId || '').replace(/v\d+$/i, ''); return `semantic-scholar-tldr-cache-v2:${canonical}`; } function hasSemanticTldr(data) { return typeof data?.text === 'string' && Boolean(data.text.trim()); } function loadSemanticTldrCache(arxivId) { return loadLocalCache(getSemanticTldrCacheKey(arxivId), hasSemanticTldr, SEMANTIC_SCHOLAR_TLDR_EMPTY_CACHE_TTL); } function saveSemanticTldrCache(arxivId, data) { if (!hasSemanticTldr(data)) { const cached = loadSemanticTldrCache(arxivId); if (hasSemanticTldr(cached)) return cached; } return saveLocalCache(getSemanticTldrCacheKey(arxivId), data); } const tldrMemoryCache = new Map(); // GM 存储跨站共享。兼容旧 localStorage 记录（含 vN 论文 ID），迁移时保留获取时间。 // 成功记录始终优先；只有从未成功过的空结果才有过期时间。 function loadLocalCache(key, hasSummary, emptyTtl = 0) { let success = null; let empty = null; const consider = (raw) => { try { const record = typeof raw === 'string' ? JSON.parse(raw) : raw; if (!Number.isFinite(record?.savedAt) || record.savedAt <= 0 || record.savedAt > Date.now() || !record.data || typeof record.data !== 'object') return; if (hasSummary(record.data)) { if (!success || record.savedAt > success.savedAt) success = record; } else if (emptyTtl && Date.now() - record.savedAt < emptyTtl) { if (!empty || record.savedAt > empty.savedAt) empty = record; } } catch { // 内容损坏不影响其他来源的缓存或后续网络请求。 } }; const shared = gmGet(key); consider(shared); consider(tldrMemoryCache.get(key)); try { consider(localStorage.getItem(key)); for (let index = 0; index < localStorage.length; index += 1) { const legacyKey = localStorage.key(index); if (legacyKey?.startsWith(key) && /^v\d+$/i.test(legacyKey.slice(key.length))) { consider(localStorage.getItem(legacyKey)); } } } catch { // 禁用站点存储时仍可使用 GM / 内存缓存。 } const cached = success || empty; if (!cached) return null; tldrMemoryCache.set(key, cached); if (success && success !== shared) gmSet(key, success); return { ...cached.data, savedAt: cached.savedAt }; } function saveLocalCache(key, data) { const record = { savedAt: Date.now(), data }; tldrMemoryCache.set(key, record); gmSet(key, record); try { localStorage.setItem(key, JSON.stringify(record)); } catch { // 缓存写入失败不影响摘要展示。 } return { ...data, savedAt: record.savedAt }; } function parseSemanticScholarTldr(data) { const text = normalizeText(data?.tldr?.text); return { text, model: normalizeText(data?.tldr?.model), title: normalizeText(data?.title), url: typeof data?.url === 'string' && data.url.trim() ? data.url.trim() : null, paperId: typeof data?.paperId === 'string' ? data.paperId : null }; } function formatCooldown(until) { const remaining = Math.max(0, until - Date.now()); const minutes = Math.max(1, Math.ceil(remaining / 60000)); return `${minutes} 分钟`; } function createSmallActionButton(text) { const button = document.createElement('button'); button.type = 'button'; button.textContent = text; button.style.cssText = ` padding: 4px 8px; border: 1px solid #b9cbd7; border-radius: 4px; background: #ffffff; color: #185d8d; font-size: 11px; line-height: 1.2; cursor: pointer; `; return button; } function renderSemanticTldrState(card, state, data = null) { const body = card.querySelector('[data-semantic-tldr-body]'); if (!body) { return; } body.replaceChildren(); const message = document.createElement('div'); message.style.cssText = ` padding: 10px 0 2px; font-size: 13px; line-height: 1.55; `; if (state === 'loading') { message.textContent = '正在加载 Zotero TLDR（Semantic Scholar）…'; message.style.color = '#666666'; body.appendChild(message); return; } if (state === 'empty') { message.textContent = 'Semantic Scholar 已收录该论文，但目前没有 TLDR。脚本将在缓存过期后再次检查。'; message.style.color = '#666666'; body.appendChild(message); return; } if (state === 'rate_limit' || state === 'bad_key') { const hasKey = Boolean(getSemanticScholarApiKey()); if (state === 'bad_key') { message.textContent = '已配置的 Semantic Scholar API Key 无效或未获授权。'; } else if (hasKey) { message.textContent = `Semantic Scholar 当前限流。脚本已暂停自动请求 ${formatCooldown(data?.cooldownUntil || Date.now() + SEMANTIC_SCHOLAR_DEFAULT_COOLDOWN_MS)}，不会因刷新页面继续触发。`; } else { message.textContent = `Semantic Scholar 匿名 API 当前限流。匿名用户共享公共额度，因此即使本脚本只请求一次也可能收到 429。脚本已暂停自动请求 ${formatCooldown(data?.cooldownUntil || Date.now() + SEMANTIC_SCHOLAR_DEFAULT_COOLDOWN_MS)}。`; } message.style.color = '#8a3b12'; body.appendChild(message); const actions = document.createElement('div'); actions.style.cssText = ` display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; `; const keyButton = createSmallActionButton(hasKey ? '更新 API Key' : '设置 API Key'); keyButton.addEventListener('click', () => configureSemanticScholarApiKey(card, card.dataset.arxivId) ); const retryButton = createSmallActionButton('强制重试'); retryButton.addEventListener('click', () => { gmDelete(SEMANTIC_SCHOLAR_COOLDOWN_STORAGE); loadSemanticTldrCard(card, card.dataset.arxivId, true); }); actions.append(keyButton, retryButton); body.appendChild(actions); return; } if (state === 'error') { message.textContent = data?.message || '暂时无法读取 Semantic Scholar TLDR。'; message.style.color = '#8a3b12'; body.appendChild(message); return; } if (state === 'ready' && data?.text) { const paragraph = document.createElement('p'); renderTldrMath(paragraph, data.text); paragraph.style.cssText = ` margin: 10px 0 0; color: #27333f; font-size: 13px; line-height: 1.6; `; body.appendChild(paragraph); const source = document.createElement('div'); source.textContent = data.model ? `Semantic Scholar TLDR · ${data.model}` : 'Semantic Scholar TLDR'; source.style.cssText = ` margin-top: 9px; color: #89939d; font-size: 10px; line-height: 1.3; `; body.appendChild(source); } } // Zotero TLDR 默认收起，数据源仍为 Semantic Scholar。 function createSemanticTldrCard(arxivId, pageUrl) { const card = createSummaryCard({ id: ZOTERO_TLDR_CARD_ID, arxivId, url: pageUrl, title: 'Zotero TLDR ↗', tooltip: '数据源：Semantic Scholar TLDR', theme: 'semantic', bodyKey: 'semanticTldrBody', collapsed: true, onExpand: (card) => loadSemanticTldrCard(card, arxivId) }); renderSemanticTldrState(card, 'loading'); return card; } function configureSemanticScholarApiKey(card, arxivId) { const current = getSemanticScholarApiKey(); const input = window.prompt( '输入 Semantic Scholar API Key。\n\nKey 只保存在本机 Tampermonkey 存储中，不会发送到除 api.semanticscholar.org 之外的网站。\n\n留空并确认可删除现有 Key。', current ); if (input === null) { return; } setSemanticScholarApiKey(input); loadSemanticTldrCard(card, arxivId, true); } const semanticTldrRequests = new Map(); function readSemanticTldrData(arxivId, force = false) { const id = arxivId.replace(/v\d+$/i, ''); if (semanticTldrRequests.has(id)) return semanticTldrRequests.get(id); const cached = loadSemanticTldrCache(id); // 冷却空结果，但已有摘要时每次读取都尝试更新。 if (!force && cached && !hasSemanticTldr(cached)) return Promise.resolve(cached); const request = (async () => { const apiUrl = getSemanticScholarApiUrl(id); if (!apiUrl) throw new Error('无法生成 Semantic Scholar 查询地址。'); const data = parseSemanticScholarTldr(await requestSemanticScholarJson(apiUrl)); // 空响应不能把旧摘要或旧获取时间冒充为一次新成功。 if (hasSemanticTldr(data) || !hasSemanticTldr(loadSemanticTldrCache(id))) { return saveSemanticTldrCache(id, data); } return data; })().finally(() => semanticTldrRequests.delete(id)); semanticTldrRequests.set(id, request); return request; } async function loadSemanticTldrCard(card, arxivId, force = false) { const showSummary = (data) => { if (!hasSemanticTldr(data)) return false; // Semantic Scholar 返回的 url 比搜索页更准确，缓存命中时也更新链接。 const link = card.querySelector('a'); if (data.url && link) link.href = data.url; renderSemanticTldrState(card, 'ready', data); return true; }; const cached = loadSemanticTldrCache(arxivId); if (!showSummary(cached)) { renderSemanticTldrState(card, cached && !force ? 'empty' : 'loading', cached); } try { const data = await readSemanticTldrData(arxivId, force); if (!showSummary(data) && !showSummary(loadSemanticTldrCache(arxivId))) { renderSemanticTldrState(card, 'empty', data); } } catch (error) { // 包括限流、无效 key、网络错误：保留最后一次成功的正文和获取时间。 if (showSummary(loadSemanticTldrCache(arxivId))) return; if (error?.code === 'RATE_LIMIT' || error?.code === 'RATE_LIMIT_COOLDOWN') { renderSemanticTldrState(card, 'rate_limit', { cooldownUntil: error.cooldownUntil || getSemanticScholarCooldownUntil() }); return; } if (error?.code === 'BAD_API_KEY') { renderSemanticTldrState(card, 'bad_key'); return; } renderSemanticTldrState(card, 'error', { message: error?.message || '暂时无法读取 Semantic Scholar TLDR。' }); } } function ensureSemanticTldrCard(_sidebar) { if (!SHOW_ZOTERO_STYLE_TLDR) { return null; } const arxivId = getArxivId(); if (!arxivId) { return null; } let card = document.getElementById(ZOTERO_TLDR_CARD_ID); if (card && card.dataset.arxivId !== arxivId) { card.remove(); card = null; } if (card) { return card; } card = createSemanticTldrCard(arxivId, getSemanticScholarSearchUrl(arxivId)); loadSemanticTldrCard(card, arxivId); return card; } // ── ArXiv TLDR 右侧摘要卡片 ── function normalizeText(text) { return (text || '').replace(/\s+/g, ' ').trim(); } function findHeading(root, expectedText) { const expected = expectedText.toLowerCase(); return ( Array.from(root.querySelectorAll('h1, h2, h3, h4, h5, h6')).find((el) => { const text = normalizeText(el.textContent).toLowerCase(); return expected === 'tldr' ? /^tl;?dr$/i.test(text) : text === expected || text.startsWith(`${expected} `); }) || null ); } function collectSectionElements(root, heading) { if (!heading) { return []; } const elements = Array.from(root.querySelectorAll('h1, h2, h3, h4, h5, h6, p, ul, ol, li')); const start = elements.indexOf(heading); if (start < 0) { return []; } const result = []; for (let i = start + 1; i < elements.length; i += 1) { const el = elements[i]; if (/^H[1-6]$/.test(el.tagName)) { break; } result.push(el); } return result; } function isLikelyTldrContent(text) { const value = normalizeText(text); if (!value || value.length < 24) { return false; } const lower = value.toLowerCase(); if ( /^(tldr|key contributions|why it matters|original abstract|ask this paper)$/i.test( value ) || /^https?:\/\//i.test(value) || lower.includes('className'.toLowerCase()) || /^(?:summarizing paper|generating(?: ai)? summary|too many requests)|weekly free summary limit/i.test(value) || lower.includes('arxiv tldr — summaries powered by ai') ) { return false; } // Tailwind / CSS class、路由片段和 React 内部 token 不应被当成正文。 if ( (/\b(?:flex|grid|gap-|px-|py-|mt-|mb-|text-|bg-|border-|rounded-|font-|leading-|hover:|sm:|md:|lg:)\b/i.test( value ) && value.split(/\s+/).length > 3) || /^\$[A-Za-z0-9:_-]+$/.test(value) || /^[A-Za-z0-9_./:$-]+$/.test(value) ) { return false; } return value.split(/\s+/).length >= 5 || (value.match(/\p{Script=Han}/gu) || []).length >= 12; } function parseArxivTldrHtml(html) { const parser = new DOMParser(); const doc = parser.parseFromString(html, 'text/html'); /** * 严格模式： * 只接受真实 DOM / template 中明确存在的 TLDR 标题区块。 * * 旧版曾从 Next.js React Flight 的无序字符串流和 * meta description 中猜 TLDR；这可能把 Original Abstract * 的第一段误判成 TLDR。这里彻底禁用这种猜测。 */ const roots = [ doc.body, ...Array.from(doc.querySelectorAll('template')).map((template) => template.content) ].filter(Boolean); let tldr = ''; let pending = false; for (const root of roots) { const heading = findHeading(root, 'TLDR'); if (!heading) continue; const elements = collectSectionElements(root, heading); const text = normalizeText(elements.find((el) => el.tagName === 'P')?.textContent); if (isLikelyTldrContent(text)) tldr = text; pending = !tldr && /summarizing paper|generating(?: AI)? summary/i.test(root.textContent || ''); break; } return { tldr, pending }; } function parseArxivTldrMarkdown(text) { const source = (text || '').replace(/\r\n/g, '\n') .replace(/^([^\n]+)\n(?:={3,}|-{3,})\s*$/gm, '## $1') .replace(/^(#{1,6})\s+TL;DR\s*#*\s*$/gim, '$1 TLDR'); const lines = source.split('\n'); const start = lines.findIndex((line) => /^#{1,6}[ \t]+TLDR[ \t]*#*[ \t]*$/i.test(line)); if (start < 0) return { tldr: '', pending: false }; let end = start + 1; while (end < lines.length && !/^#{1,6}[ \t]+/.test(lines[end])) end += 1; const tldrRaw = lines.slice(start + 1, end).join('\n').trim(); const tldr = normalizeText( (tldrRaw.split(/\n\s*\n/).find((part) => part.trim() && !/^\s*(?:[-*+]\s|\d+[.)]\s|[#><]|`{3,}|~{3,})/.test(part)) || '') .split(/\n(?=[ \t]*(?:[-*+][ \t]+|\d+[.)][ \t]+|>|`{3,}|~{3,}))/)[0] .replace(/!?\[([^\]]+)\]\([^\n)]+\)/g, '$1') ); const cleanTldr = tldrMathParts(tldr).map((part) => part.formula !== undefined ? part.text : part.text.replace(/[*_`]/g, '')).join(''); return { tldr: isLikelyTldrContent(cleanTldr) ? cleanTldr : '', pending: false }; } function requestArxivTldrHtml(url, timeout = 10000) { return requestText(url, 'text/html,application/xhtml+xml', timeout); } function getJinaReaderUrl(url) { return `https://r.jina.ai/${url}`; } // HTML 和 Reader 共用请求封装；同步异常也会转成 Promise 拒绝。 function requestText(url, accept = 'text/plain,text/markdown,text/html,*/*', timeout = 20000) { return new Promise((resolve, reject) => { if (typeof GM_xmlhttpRequest !== 'function') { reject(new Error('GM_xmlhttpRequest unavailable')); return; } let settled = false; let request; const finish = (error, text) => { if (settled) return; settled = true; clearTimeout(timer); if (error) reject(error); else resolve(text); }; const timer = setTimeout(() => { finish(new Error('Request timeout')); request?.abort?.(); }, timeout); try { request = GM_xmlhttpRequest({ method: 'GET', url, timeout, anonymous: true, headers: { Accept: accept }, onload: (response) => { if (response.status >= 200 && response.status < 300) { finish(null, response.responseText || ''); } else { finish(new Error(`HTTP ${response.status}`)); } }, ontimeout: () => finish(new Error('Request timeout')), onerror: () => finish(new Error('Network error')), onabort: () => finish(new Error('Request aborted')) }); } catch (error) { finish(error); } }); } function getTldrCacheKey(arxivId) { return `arxivtldr-cache-v3:${arxivId.replace(/v\d+$/i, '')}`; } function hasArxivTldr(data) { return typeof data?.tldr === 'string' && isLikelyTldrContent(data.tldr); } function loadTldrCache(arxivId) { return loadLocalCache(getTldrCacheKey(arxivId), hasArxivTldr); } function saveTldrCache(arxivId, data) { if (!hasArxivTldr(data)) return loadTldrCache(arxivId); return saveLocalCache(getTldrCacheKey(arxivId), data); } const tldrRequests = new Map(); // 只返回这次请求的结果；调用方先显示缓存，刷新失败不能伪装成新成功。 function readArxivTldrData(arxivId, onPending = () => {}) { const id = arxivId.replace(/v\d+$/i, ''); if (tldrRequests.has(id)) return tldrRequests.get(id); const request = (async () => { // Leave time for Reader within the web bridge's 32-second wait. const deadline = Date.now() + 30000; const url = `https://arxivtldr.org/abs/${id}`; let error = null; for (let attempt = 0; attempt <= ARXIV_TLDR_MAX_RETRIES; attempt += 1) { const remaining = deadline - Date.now() - (USE_JINA_FALLBACK ? 10000 : 0); if (remaining <= 0) break; try { const data = parseArxivTldrHtml(await requestArxivTldrHtml(url, Math.min(10000, remaining))); if (data.tldr) { return saveTldrCache(id, data); } const retryRemaining = deadline - Date.now() - (USE_JINA_FALLBACK ? 10000 : 0); if (!data.pending || attempt === ARXIV_TLDR_MAX_RETRIES || retryRemaining < 3200) break; onPending(); await new Promise((resolve) => setTimeout(resolve, 2200)); } catch (reason) { error = reason; break; } } if (USE_JINA_FALLBACK && deadline > Date.now()) { try { const data = parseArxivTldrMarkdown(await requestText(getJinaReaderUrl(url), 'text/plain', Math.min(10000, deadline - Date.now()))); if (data.tldr) { return saveTldrCache(id, data); } } catch (reason) { error = reason; } } if (error) throw error; return null; })().finally(() => tldrRequests.delete(id)); tldrRequests.set(id, request); return request; } function tldrMathParts(text) { const parts = []; const delimiters = /\$\$?|\\\(|\\\[/g; const escaped = (index) => { let count = 0; while (index > 0 && text[--index] === '\\') count += 1; return count % 2 === 1; }; let start = 0; let match; while ((match = delimiters.exec(text))) { if (escaped(match.index)) continue; const open = match[0]; const close = open === '\\(' ? '\\)' : open === '\\[' ? '\\]' : open; const contentStart = match.index + open.length; let end = text.indexOf(close, contentStart); while (end >= 0 && escaped(end)) end = text.indexOf(close, end + close.length); if (end < 0) continue; const formula = text.slice(contentStart, end); if (!formula.trim() || (open === '$' && /[\n$]/.test(formula))) continue; parts.push({ text: text.slice(start, match.index) }); parts.push({ text: text.slice(match.index, end + close.length), formula }); start = end + close.length; delimiters.lastIndex = start; } parts.push({ text: text.slice(start) }); return parts; } function renderTldrMath(element, text) { const symbols = { alpha: 'α', beta: 'β', gamma: 'γ', delta: 'δ', epsilon: 'ε', theta: 'θ', lambda: 'λ', mu: 'μ', nu: 'ν', pi: 'π', rho: 'ρ', sigma: 'σ', tau: 'τ', phi: 'φ', psi: 'ψ', omega: 'ω', Gamma: 'Γ', Delta: 'Δ', Theta: 'Θ', Lambda: 'Λ', Pi: 'Π', Sigma: 'Σ', Phi: 'Φ', Psi: 'Ψ', Omega: 'Ω', times: '×', cdot: '·', pm: '±', leq: '≤', geq: '≥', neq: '≠', approx: '≈', infty: '∞', to: '→', rightarrow: '→', leftarrow: '←', in: '∈', sum: '∑' }; function parse(formula) { let index = 0; const fragment = () => document.createDocumentFragment(); function atom(depth) { if (depth > 16 || index >= formula.length) throw new Error('Invalid math group'); const node = fragment(); const char = formula[index++]; if (char === '{') { node.append(sequence(depth + 1)); if (formula[index++] !== '}') throw new Error('Unclosed math group'); } else if (char === '\\') { const command = /^[A-Za-z]+/.exec(formula.slice(index))?.[0]; if (!command) { const escaped = formula[index++]; if (!['{', '}', '_', '%', '$', '#', '&', ',', ';', '!'].includes(escaped)) throw new Error('Unsupported escape'); node.append(document.createTextNode([',', ';', '!'].includes(escaped) ? ' ' : escaped)); } else { index += command.length; if (Object.hasOwn(symbols, command)) node.append(document.createTextNode(symbols[command])); else if (['text', 'mathrm', 'mathbf', 'mathit', 'operatorname'].includes(command)) { while (/\s/.test(formula[index] || '') && index < formula.length) index += 1; if (formula[index] !== '{') throw new Error('Missing math group'); node.append(atom(depth + 1)); } else throw new Error('Unsupported math command'); } } else { if (/[}\^_$]/.test(char)) throw new Error('Invalid math token'); node.append(document.createTextNode(char)); } return node; } function sequence(depth) { const node = fragment(); let hasBase = false; const scripts = new Set(); while (index < formula.length && formula[index] !== '}') { const char = formula[index]; if (char === '_' || char === '^') { if (!hasBase || scripts.has(char)) throw new Error('Invalid math script'); scripts.add(char); index += 1; const script = document.createElement(char === '_' ? 'sub' : 'sup'); script.append(atom(depth + 1)); node.append(script); } else { node.append(atom(depth + 1)); hasBase = !/\s/.test(char); scripts.clear(); } } return node; } const node = sequence(0); if (index !== formula.length) throw new Error('Unbalanced math'); return node; } element.replaceChildren(); for (const part of tldrMathParts(String(text || ''))) { if (part.formula !== undefined) { try { // Unknown formulas stay literal; summary text never becomes HTML. element.append(parse(part.formula)); continue; } catch { /* Preserve unsupported LaTeX verbatim. */ } } element.append(document.createTextNode(part.text)); } } function firstTldrParagraph(text) { return normalizeText(String(text || '').split(/\n\s*\n/).find((part) => part.trim())); } // Only display the TLDR's first paragraph, not contributions or other sections. function renderTldrCardState(card, state, data = null) { const body = card.querySelector('[data-arxivtldr-body]'); if (!body) return; body.replaceChildren(); const messages = { loading: '正在加载 ArXiv TLDR…', pending: 'ArXiv TLDR 正在生成这篇论文的摘要，稍后会自动重试。', error: data?.message || '暂时无法读取 ArXiv TLDR。可点击标题打开原页面。' }; if (messages[state]) { const message = document.createElement('div'); message.className = 'ab-tldr-message'; message.textContent = messages[state]; if (state === 'error') message.style.color = '#8a3b12'; body.appendChild(message); } else if (state === 'ready' && data) { const paragraph = document.createElement('p'); paragraph.className = 'ab-tldr-message'; paragraph.style.color = '#333'; renderTldrMath(paragraph, firstTldrParagraph(data.tldr) || '暂无 TLDR 摘要，可点击标题查看原文。'); body.appendChild(paragraph); } } // ArXiv TLDR starts expanded; subsequent updates keep the user's toggle state. function createArxivTldrCard(arxivId, url) { const card = createSummaryCard({ id: ARXIV_TLDR_CARD_ID, arxivId, url, title: 'ArXiv TLDR ↗', tooltip: '打开 ArXiv TLDR 完整页面', theme: 'arxiv', bodyKey: 'arxivtldrBody', collapsed: ARXIV_TLDR_DEFAULT_COLLAPSED, onExpand: (card) => loadArxivTldrCard(card, arxivId) }); renderTldrCardState(card, 'loading'); return card; } async function loadArxivTldrCard(card, arxivId) { const cached = loadTldrCache(arxivId); renderTldrCardState(card, cached ? 'ready' : 'loading', cached); try { const data = await readArxivTldrData(arxivId, () => { if (!loadTldrCache(arxivId)) renderTldrCardState(card, 'pending'); }); const summary = data || loadTldrCache(arxivId); renderTldrCardState(card, summary ? 'ready' : 'error', summary || { message: '暂未读取到摘要，请点击标题打开原页面。' }); } catch (error) { const summary = loadTldrCache(arxivId); renderTldrCardState(card, summary ? 'ready' : 'error', summary || { message: `暂时无法读取摘要：${error.message}。可点击标题打开原页面。` }); } } function ensureArxivTldrCard(_sidebar) { if (!SHOW_ARXIV_TLDR) { return null; } const arxivId = getArxivId(); const url = getArxivTldrUrl(); if (!arxivId || !url) { return null; } let card = document.getElementById(ARXIV_TLDR_CARD_ID); if (card && card.dataset.arxivId !== arxivId) { card.remove(); card = null; } if (card) return card; card = createArxivTldrCard(arxivId, url); loadArxivTldrCard(card, arxivId); return card; } // 读取 arXivisual 的公开状态文本；只把明确状态转换成标志，避免把加载骨架误报为已生成。 function getArxivVisualState() { const text = normalizeText(document.body?.innerText || ''); if ( /paper not yet processed/i.test(text) || /hasn't been visualized yet/i.test(text) || /has not been visualized yet/i.test(text) ) { return 'unavailable'; } if ( /interactive scrollytelling|visualized paper|key concepts|chapter/i.test(text) ) { return 'available'; } return null; } // 在 arXivisual 页面右上角显示状态，未处理和已处理使用不同颜色与图标。 function ensureArxivVisualStatus() { const state = getArxivVisualState(); if (!state) { document.getElementById(ARXIV_VISUAL_STATUS_ID)?.remove(); return; } let badge = document.getElementById(ARXIV_VISUAL_STATUS_ID); if (badge?.dataset.state === state && badge.dataset.arxivId === getArxivId()) return; if (!badge) { badge = document.createElement('div'); badge.id = ARXIV_VISUAL_STATUS_ID; badge.className = 'ab-visual-status'; badge.setAttribute('role', 'status'); badge.setAttribute('aria-live', 'polite'); document.body.appendChild(badge); } badge.dataset.state = state; badge.dataset.arxivId = getArxivId(); badge.replaceChildren(); const icon = document.createElement('span'); icon.setAttribute('aria-hidden', 'true'); icon.textContent = state === 'unavailable' ? '⚠' : '✓'; const text = document.createElement('strong'); text.textContent = state === 'unavailable' ? 'arXivisual：未生成可视化' : 'arXivisual：已有可视化'; const link = createExternalLink( getArxivVisualUrl(), '打开 arXivisual 当前论文页' ); link.textContent = '查看页面'; badge.append(icon, text, link); } // ── arXiv ── function insertArxivLinks() { const sidebar = document.querySelector('.extra-services'); if (!sidebar) return; const bookmarks = ensurePaperBookmarks(); if (!bookmarks) return; const documents = ensureDocumentLinks(sidebar); const metrics = ensurePaperMetrics(); const semanticTldrCard = ensureSemanticTldrCard(sidebar); const tldrCard = ensureArxivTldrCard(sidebar); // Keep native sidebar sections intact and avoid reordering already-mounted nodes. [documents, metrics, tldrCard, semanticTldrCard, bookmarks].filter(Boolean).forEach((node, index) => { const anchor = sidebar.children[index] || null; if (anchor !== node) sidebar.insertBefore(node, anchor); }); } // ── 主函数 ── let redirectedUrl = null; function main() { const papersUrl = getPapersCoolUrl(); if (!papersUrl) { [DOCUMENT_LINKS_ID, METRICS_ID, BOOKMARKS_ID, CUSTOM_DIALOG_ID, ZOTERO_TLDR_CARD_ID, ARXIV_TLDR_CARD_ID, ARXIV_VISUAL_STATUS_ID, ALPHAXIV_PAPERS_ID, ALPHAXIV_HJFY_ID] .forEach((id) => document.getElementById(id)?.remove()); return; } ensureBridgeStyles(); if (isArxivVisualHost()) { ensureArxivVisualStatus(); return; } // 自动打开 Papers.cool if (AUTO_REDIRECT) { if (redirectedUrl !== papersUrl) { redirectedUrl = papersUrl; window.open(papersUrl, '_blank', 'noopener,noreferrer'); } return; } // arXiv if (/^(www\.)?arxiv\.org$/i.test(location.hostname)) { insertArxivLinks(); return; } // alphaXiv if (location.hostname.endsWith('alphaxiv.org')) { insertAlphaXivLinks(); } } // Only expose public TLDR text, never arbitrary URLs or privileged storage. function installHubTldrBridge() { if (typeof GM_xmlhttpRequest !== 'function') return; window.addEventListener('message', (event) => { const message = event.data; if (event.source !== window || event.origin !== location.origin || message?.channel !== 'arxivhub:tldr:v1') return; if (typeof message.requestId !== 'string' || message.requestId.length > 80) return; const reply = (data) => window.postMessage({ channel: message.channel, requestId: message.requestId, ...data }, location.origin); if (message.type === 'ping') { reply({ type: 'ready' }); return; } if (message.type !== 'request' || typeof message.id !== 'string' || !/^(?:\d{4}\.\d{4,5}|[a-z-]+(?:\.[A-Z]{2})?\/\d{7})(?:v\d+)?$/i.test(message.id)) return; const id = message.id.replace(/v\d+$/i, ''); const cached = loadTldrCache(id); if (cached) reply({ type: 'cache', ok: true, text: cached.tldr, at: cached.savedAt }); void readArxivTldrData(id).then( (data) => reply({ type: 'result', ok: true, text: data?.tldr || null, at: data?.savedAt ?? null }), () => reply({ type: 'result', ok: false }), ); }); } const hubHost = location.hostname === 'arxivhub.github.io'; const localHub = ['localhost', '127.0.0.1'].includes(location.hostname); if (hubHost || localHub) { installHubTldrBridge(); return; } // ── 首次执行 ── main(); // ── 监听动态页面 ── // Handle delayed sidebars, title updates and client-side navigation without duplicate nodes. if (/(^|\.)(arxiv|alphaxiv|arxivisual)\.org$/i.test(location.hostname)) { let timer = null; const observer = new MutationObserver(() => { clearTimeout(timer); timer = setTimeout(main, 200); }); observer.observe(document.documentElement, { childList: true, subtree: true, characterData: true, attributes: true, attributeFilter: ['content', 'href'] }); window.addEventListener('popstate', main); } })();