// Slug Calculator — interactive widget for crypto short-form market slugs // Activates on any page containing a div#slug-calc function initSlugCalc() { var el = document.getElementById('slug-calc'); if (!el || el.dataset.init) return; el.dataset.init = '1'; var coins = ['btc','eth','sol','bnb','xrp','doge','hype']; var labels = {btc:'Bitcoin',eth:'Ethereum',sol:'Solana',bnb:'BNB',xrp:'XRP',doge:'Dogecoin',hype:'Hyperliquid'}; var intervals = [{id:'5m',s:300,label:'5 min'},{id:'15m',s:900,label:'15 min'},{id:'1h',s:3600,label:'1 hour'}]; el.innerHTML = '

' + '

COIN

' + '

INTERVAL

' + '

'; var selCoin = 'btc', selInt = '5m'; function btnStyle(active) { return 'padding:6px 14px;border-radius:6px;border:1px solid ' + (active ? '#3b82f6' : 'rgba(128,128,128,.25)') + ';background:' + (active ? '#3b82f6' : 'transparent') + ';color:' + (active ? '#fff' : 'inherit') + ';font-size:13px;font-weight:600;cursor:pointer;transition:all .15s'; } function render() { var cc = document.getElementById('sc-coins'); var ci = document.getElementById('sc-ints'); cc.innerHTML = ''; ci.innerHTML = ''; coins.forEach(function(c) { var b = document.createElement('button'); b.textContent = c.toUpperCase(); b.style.cssText = btnStyle(c === selCoin); b.onclick = function() { selCoin = c; render(); }; cc.appendChild(b); }); intervals.forEach(function(iv) { var b = document.createElement('button'); b.textContent = iv.label; b.style.cssText = btnStyle(iv.id === selInt); b.onclick = function() { selInt = iv.id; render(); }; ci.appendChild(b); }); var iv = intervals.filter(function(x){return x.id===selInt})[0]; var now = Math.floor(Date.now()/1000); var ws = Math.floor(now/iv.s)*iv.s; var we = ws + iv.s; var rem = we - now; var slug = selCoin + '-updown-' + selInt + '-' + ws; var out = document.getElementById('sc-out'); out.innerHTML = '

' + '

CURRENT SLUG

' + '

' + '' + slug + '' + '

' + '

' + labels[selCoin] + ' ' + iv.label + ' window | ' + '' + rem + 's remaining' + '

'; document.getElementById('sc-copy').onclick = function() { navigator.clipboard.writeText(slug); this.textContent = 'Copied!'; var self = this; setTimeout(function(){ self.textContent = 'Copy'; }, 1200); }; } render(); setInterval(function() { var iv = intervals.filter(function(x){return x.id===selInt})[0]; var now = Math.floor(Date.now()/1000); var we = Math.floor(now/iv.s)*iv.s + iv.s; var rem = we - now; var r = document.getElementById('sc-rem'); if (r) r.textContent = rem; if (rem <= 0) render(); }, 1000); } // Run on load and on SPA navigation if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', initSlugCalc); } else { initSlugCalc(); } // MutationObserver for SPA page transitions new MutationObserver(function() { setTimeout(initSlugCalc, 100); }).observe(document.body, { childList: true, subtree: true });