Extract GitHub Trending Repositories

(()=>{const clean=s=>(s||'').replace(/\s+/g,' ').trim();const metric=value=>{const m=clean(value).match(/[\d,.]+\s*[KMB]?/i);if(!m)return null;const raw=m[0].replace(/,/g,'').replace(/\s/g,'');const n=parseFloat(raw);if(Number.isNaN(n))return null;if(/m$/i.test(raw))return Math.round(n*1e6);if(/k$/i.test(raw))return Math.round(n*1e3);if(/b$/i.test(raw))return Math.round(n*1e9);return Math.round(n)};const url=location.href;const qs=new URL(url).searchParams;const requestedPage=Number(qs.get('page')||'1');const rows=[...document.querySelectorAll('article.Box-row')];const repositories=rows.map((row,index)=>{const link=row.querySelector('h2 a[href^="/"]');const href=link?.getAttribute('href')||'';const parts=href.split('/').filter(Boolean);const periodText=[...row.querySelectorAll('span')].map(e=>clean(e.textContent)).find(t=>/stars?\s+(today|this week|this month)/i.test(t))||null;const periodMatch=periodText?.match(/([\d,.]+(?:\s*[KMB])?)\s+stars?\s+(today|this week|this month)/i)||null;const starLink=row.querySelector('a[href$="/stargazers"]');const forkLink=row.querySelector('a[href$="/forks"]');return{rank:index+1,owner:parts[0]||null,repository:parts[1]||null,url:href?new URL(href,location.origin).href:null,description:clean(row.querySelector('p')?.textContent)||null,language:clean(row.querySelector('[itemprop="programmingLanguage"]')?.textContent)||null,language_color:row.querySelector('.repo-language-color')?.getAttribute('style')?.match(/#[0-9A-Fa-f]{6}/)?.[0]||null,stars_total:metric(starLink?.textContent),forks_total:metric(forkLink?.textContent),stars_period:periodMatch?metric(periodMatch[1]):null,period_label:periodMatch?`stars ${periodMatch[2].toLowerCase()}`:null,built_by:[...row.querySelectorAll('img[alt^="@"]').values()].map(img=>clean(img.alt.slice(1))).filter(Boolean)}});const emptyState=[...document.querySelectorAll('h1,h2,h3,p,[role="status"]')].map(e=>clean(e.textContent)).find(e=>/there\s+(?:aren't|are not)\s+any trending repositories|don['’]?t have any trending repositories|no trending repositories(?: found)?|no repositories found|nothing trending/i.test(e))||null;const diagnostics=[...document.querySelectorAll('[role="alert"],.flash,.js-flash-alert')].map(e=>clean(e.textContent)).filter(Boolean).slice(0,20);const body=clean(document.body?.innerText);const blocked=!repositories.length&&!emptyState&&/sign in|captcha|rate limit|access denied|not found|error/i.test(body);const filters={language:location.pathname.match(/^\/trending\/([^/?]+)/)?.[1]||null,since:qs.get('since'),page:qs.get('page'),spoken_language_code:qs.get('spoken_language_code')};return{ok:!blocked&&(repositories.length>0||Boolean(emptyState)),url,title:document.title,requested_page:requestedPage,count:repositories.length,repositories,empty_state:emptyState,filters,filter_retained:Boolean(filters.since&&filters.page&&(filters.language||location.pathname==='/trending')),diagnostics};})()

(async()=>{const clean=s=>(s||'').replace(/\s+/g,' ').trim();const metric=s=>{const m=clean(s).match(/[\d,.]+\s*[KMB]?/i);if(!m)return null;const raw=m[0].replace(/,/g,'').replace(/\s/g,'');const n=parseFloat(raw);if(Number.isNaN(n))return null;return /m$/i.test(raw)?Math.round(n*1e6):/k$/i.test(raw)?Math.round(n*1e3):/b$/i.test(raw)?Math.round(n*1e9):Math.round(n)};const page=Number(new URL(location.href).searchParams.get('page')||'1');const cards=[...document.querySelectorAll('article')].filter(a=>a.querySelector('h3 a[href^="/"]'));const sortControls=[...document.querySelectorAll('summary[role="button"],button,a,[role="tab"],select option')].map(x=>clean(x.textContent)).filter(Boolean).filter(t=>/most stars|recently updated|most forks|sort|ranking/i.test(t));const topicSortOrRanking=sortControls[0]||null;const topicSortOptions=[...new Set(sortControls)];const urls=cards.map(a=>{const x=[...a.querySelectorAll('h3 a[href^="/"]')].find(x=>/^\/[\w.-]+\/[\w.-]+$/.test(x.getAttribute('href')||''));return x?'https://github.com'+x.getAttribute('href'):null}).filter(Boolean);const forks=await Promise.all(urls.map(async url=>{try{const d=new DOMParser().parseFromString(await fetch(url,{credentials:'same-origin'}).then(r=>r.text()),'text/html');return metric(d.querySelector('a[href$="/forks"]')?.textContent)}catch(e){return null}}));const seen=new Set();const repos=cards.map((a,i)=>{const x=[...a.querySelectorAll('h3 a[href^="/"]')].find(x=>/^\/[\w.-]+\/[\w.-]+$/.test(x.getAttribute('href')||''));const href=x?.getAttribute('href')||'';const p=href.split('/').filter(Boolean);const url=href?'https://github.com'+href:null;if(!url||seen.has(url))return null;seen.add(url);const language=clean(a.querySelector('[itemprop="programmingLanguage"]')?.textContent)||null;return{rank:i+1,owner:p[0]||null,repo:p[1]||null,url,description:clean(a.querySelector('p')?.textContent)||null,language,missing_language:language===null,stars:metric(a.querySelector('span.js-social-count')?.textContent||a.querySelector('a[href$="/stargazers"]')?.textContent||a.querySelector('[aria-label*="starred this repository"]')?.getAttribute('title')),forks:forks[i]??null}}).filter(Boolean);const nextPage=document.querySelector('form.js-ajax-pagination input[name="page"]')?.value||null;const loadMore=clean(document.querySelector('button.ajax-pagination-btn')?.textContent)||null;return{title:document.title,url:location.href,topic:location.pathname.split('/').filter(Boolean)[1]||null,page,count:repos.length,unique_repository_cards:repos.length,missing_language_count:repos.filter(r=>r.missing_language).length,topic_sort_or_ranking:topicSortOrRanking,topic_sort_options:topicSortOptions,repos,next_page:nextPage,load_more:loadMore,pagination:{requested_page:page,next_page:nextPage,load_more:loadMore}}})()