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(function () { |
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'use strict'; |
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var _typoKeys = { |
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family:'font-family', weight:'font-weight', style:'font-style', |
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decoration:'text-decoration', transform:'text-transform', |
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sizeDesktop:'font-size-d', sizeTablet:'font-size-t', sizeMobile:'font-size-m', |
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lineHeightDesktop:'line-height-d', lineHeightTablet:'line-height-t', lineHeightMobile:'line-height-m', |
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letterSpacingDesktop:'letter-spacing-d', letterSpacingTablet:'letter-spacing-t', letterSpacingMobile:'letter-spacing-m', |
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wordSpacingDesktop:'word-spacing-d', wordSpacingTablet:'word-spacing-t', wordSpacingMobile:'word-spacing-m' |
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}; |
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function typoCssVarsForEl(el, obj, prefix) { |
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if (!obj || typeof obj !== 'object') return; |
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Object.keys(_typoKeys).forEach(function (k) { |
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var v = obj[k]; |
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if (v === undefined || v === '' || v === null) return; |
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if (k === 'sizeDesktop' || k === 'sizeTablet' || k === 'sizeMobile') v = v + (obj.sizeUnit || 'px'); |
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else if (k === 'lineHeightDesktop' || k === 'lineHeightTablet' || k === 'lineHeightMobile') v = v + (obj.lineHeightUnit || ''); |
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else if (k === 'letterSpacingDesktop' || k === 'letterSpacingTablet' || k === 'letterSpacingMobile') v = v + (obj.letterSpacingUnit || 'px'); |
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else if (k === 'wordSpacingDesktop' || k === 'wordSpacingTablet' || k === 'wordSpacingMobile') v = v + (obj.wordSpacingUnit || 'px'); |
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el.style.setProperty(prefix + _typoKeys[k], String(v)); |
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}); |
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} |
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|
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var CGBASE = 'https://api.coingecko.com/api/v3'; |
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|
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function fmt(n, sym) { |
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if (n === undefined || n === null) return sym + '?'; |
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if (n >= 1000) return sym + n.toLocaleString('en-US', { minimumFractionDigits: 0, maximumFractionDigits: 0 }); |
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if (n >= 1) return sym + n.toFixed(2); |
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return sym + n.toFixed(4); |
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} |
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|
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function fmtBig(n) { |
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if (!n) return 'N/A'; |
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if (n >= 1e12) return '$' + (n / 1e12).toFixed(2) + 'T'; |
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if (n >= 1e9) return '$' + (n / 1e9).toFixed(2) + 'B'; |
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if (n >= 1e6) return '$' + (n / 1e6).toFixed(2) + 'M'; |
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return '$' + n.toLocaleString(); |
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} |
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|
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function initTicker(appEl) { |
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var raw = appEl.dataset.opts; |
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if (!raw) return; |
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var opts; |
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try { opts = JSON.parse(raw); } catch (e) { return; } |
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|
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var sym = opts.currencySymbol || '$'; |
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var css = opts.currency || 'usd'; |
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var coins = (opts.coins || 'bitcoin,ethereum,solana').split(',').map(function (s) { return s.trim(); }).filter(Boolean); |
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var layout = opts.layout || 'ticker'; |
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|
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// ── Build outer wrapper ────────────────────────────────────── |
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var wrap = document.createElement('div'); |
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wrap.className = 'bkbg-st-wrap'; |
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wrap.style.borderRadius = (opts.borderRadius || 12) + 'px'; |
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wrap.style.overflow = 'hidden'; |
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wrap.style.backgroundColor = opts.bgColor || '#0f172a'; |
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wrap.style.color = opts.textColor || '#e2e8f0'; |
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typoCssVarsForEl(wrap, opts.textTypo, '--bkstk-tx-'); |
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wrap.style.setProperty('--bkstk-tx-fw', String(opts.fontWeight || 600)); |
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wrap.style.setProperty('--bkstk-tx-lh', String(opts.lineHeight || 1.4)); |
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|
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var contentEl = document.createElement('div'); |
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contentEl.innerHTML = '<div class="bkbg-st-loading">Loading live prices…</div>'; |
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wrap.appendChild(contentEl); |
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|
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var footer = document.createElement('div'); |
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footer.className = 'bkbg-st-footer'; |
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footer.style.color = opts.textColor || '#e2e8f0'; |
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footer.textContent = 'Data: CoinGecko API · Updates every ' + (opts.refreshInterval || 60) + 's'; |
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wrap.appendChild(footer); |
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|
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appEl.parentNode.replaceChild(wrap, appEl); |
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|
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// ── Fetch from CoinGecko ───────────────────────────────────── |
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function fetchData() { |
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var url = CGBASE + '/coins/markets?vs_currency=' + css + |
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'&ids=' + coins.join(',') + |
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'&order=market_cap_desc&per_page=50&page=1' + |
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'&sparkline=false&price_change_percentage=24h'; |
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|
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fetch(url) |
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.then(function (r) { |
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if (!r.ok) throw new Error('HTTP ' + r.status); |
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return r.json(); |
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}) |
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.then(function (data) { render(data); }) |
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.catch(function (err) { |
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contentEl.innerHTML = '<div class="bkbg-st-error">⚠ Unable to load prices. (' + err.message + ')</div>'; |
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}); |
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} |
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|
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// ── Render ─────────────────────────────────────────────────── |
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function render(data) { |
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if (layout === 'ticker') renderTicker(data); |
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else if (layout === 'cards') renderCards(data); |
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else renderTable(data); |
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} |
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|
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function renderTicker(data) { |
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var outer = document.createElement('div'); |
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outer.className = 'bkbg-st-ticker-outer'; |
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outer.style.backgroundColor = opts.bgColor || '#0f172a'; |
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outer.style.minHeight = '44px'; |
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|
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if (opts.showLabel) { |
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var badge = document.createElement('div'); |
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badge.className = 'bkbg-st-live-badge'; |
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badge.style.backgroundColor = opts.accentColor || '#38bdf8'; |
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badge.style.color = '#fff'; |
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var dot = document.createElement('span'); |
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dot.className = 'bkbg-st-live-dot'; |
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badge.appendChild(dot); |
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badge.appendChild(document.createTextNode(opts.labelText || 'LIVE')); |
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outer.appendChild(badge); |
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} |
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|
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var track = document.createElement('div'); |
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track.className = 'bkbg-st-ticker-track'; |
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track.style.animationDuration = (opts.tickerSpeed || 40) + 's'; |
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|
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function buildItems(arr) { |
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var frag = document.createDocumentFragment(); |
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arr.forEach(function (coin) { |
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var item = document.createElement('span'); |
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item.className = 'bkbg-st-item'; |
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|
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if (opts.showIcons && coin.image) { |
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var img = document.createElement('img'); |
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img.src = coin.image; |
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img.alt = coin.symbol; |
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img.className = 'bkbg-st-img-icon'; |
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item.appendChild(img); |
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} |
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|
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if (opts.showSymbol) { |
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var sym2 = document.createElement('span'); |
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sym2.className = 'bkbg-st-symbol'; |
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sym2.textContent = coin.symbol.toUpperCase(); |
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item.appendChild(sym2); |
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} |
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|
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var priceEl = document.createElement('span'); |
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priceEl.className = 'bkbg-st-price'; |
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priceEl.textContent = fmt(coin.current_price, sym); |
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item.appendChild(priceEl); |
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|
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if (opts.showChange) { |
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var ch = coin.price_change_percentage_24h; |
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var chEl = document.createElement('span'); |
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chEl.className = ch >= 0 ? 'bkbg-st-change-up' : 'bkbg-st-change-down'; |
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chEl.style.color = ch >= 0 ? (opts.upColor || '#22c55e') : (opts.downColor || '#ef4444'); |
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chEl.textContent = (ch >= 0 ? '▲ +' : '▼ ') + (ch ? ch.toFixed(2) : '0.00') + '%'; |
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item.appendChild(chEl); |
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} |
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|
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var sep = document.createElement('span'); |
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sep.className = 'bkbg-st-sep'; |
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sep.textContent = '|'; |
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item.appendChild(sep); |
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|
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frag.appendChild(item); |
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}); |
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return frag; |
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} |
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|
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// Duplicate for seamless loop |
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track.appendChild(buildItems(data)); |
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track.appendChild(buildItems(data)); |
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|
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if (opts.pauseOnHover) { |
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outer.addEventListener('mouseenter', function () { track.classList.add('bkbg-st-paused'); }); |
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outer.addEventListener('mouseleave', function () { track.classList.remove('bkbg-st-paused'); }); |
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} |
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|
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outer.appendChild(track); |
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contentEl.innerHTML = ''; |
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contentEl.appendChild(outer); |
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} |
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|
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function renderCards(data) { |
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var grid = document.createElement('div'); |
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grid.className = 'bkbg-st-cards'; |
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grid.style.gridTemplateColumns = 'repeat(' + (opts.cardColumns || 3) + ', 1fr)'; |
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grid.style.borderRadius = (opts.borderRadius || 12) + 'px'; |
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grid.style.padding = '16px'; |
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|
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data.forEach(function (coin) { |
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var card = document.createElement('div'); |
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card.className = 'bkbg-st-card'; |
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card.style.backgroundColor = opts.cardBg || '#1e293b'; |
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card.style.borderRadius = (opts.borderRadius || 12) + 'px'; |
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card.style.border = '1px solid ' + (opts.borderColor || '#334155'); |
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card.style.color = opts.textColor || '#e2e8f0'; |
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|
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var header = document.createElement('div'); |
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header.className = 'bkbg-st-card-header'; |
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|
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if (opts.showIcons && coin.image) { |
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var img = document.createElement('img'); |
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img.src = coin.image; img.alt = coin.symbol; |
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img.className = 'bkbg-st-card-icon'; |
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header.appendChild(img); |
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} |
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|
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var nameWrap = document.createElement('div'); |
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var nameEl = document.createElement('div'); |
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nameEl.className = 'bkbg-st-card-name'; |
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nameEl.textContent = coin.name; |
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nameWrap.appendChild(nameEl); |
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if (opts.showSymbol) { |
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var symEl = document.createElement('div'); |
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symEl.className = 'bkbg-st-card-sym'; |
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symEl.textContent = coin.symbol.toUpperCase(); |
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nameWrap.appendChild(symEl); |
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} |
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header.appendChild(nameWrap); |
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card.appendChild(header); |
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|
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var priceEl = document.createElement('div'); |
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priceEl.className = 'bkbg-st-card-price'; |
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priceEl.style.fontSize = (opts.fontSize + 2 || 16) + 'px'; |
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priceEl.textContent = fmt(coin.current_price, sym); |
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card.appendChild(priceEl); |
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|
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if (opts.showChange) { |
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var ch = coin.price_change_percentage_24h; |
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var chEl = document.createElement('div'); |
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chEl.className = 'bkbg-st-card-change'; |
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chEl.style.color = ch >= 0 ? (opts.upColor || '#22c55e') : (opts.downColor || '#ef4444'); |
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chEl.textContent = (ch >= 0 ? '▲ +' : '▼ ') + (ch ? ch.toFixed(2) : '0.00') + '%'; |
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card.appendChild(chEl); |
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} |
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|
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if (opts.showMarketCap || opts.showVolume) { |
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var meta = document.createElement('div'); |
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meta.className = 'bkbg-st-card-meta'; |
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meta.style.color = opts.textColor || '#e2e8f0'; |
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if (opts.showMarketCap) { var mc = document.createElement('span'); mc.textContent = 'MCap: ' + fmtBig(coin.market_cap); meta.appendChild(mc); } |
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if (opts.showVolume) { var vol = document.createElement('span'); vol.textContent = 'Vol: ' + fmtBig(coin.total_volume); meta.appendChild(vol); } |
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card.appendChild(meta); |
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} |
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|
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grid.appendChild(card); |
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}); |
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|
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contentEl.innerHTML = ''; |
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contentEl.appendChild(grid); |
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} |
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|
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function renderTable(data) { |
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var tableWrap = document.createElement('div'); |
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tableWrap.className = 'bkbg-st-table-wrap'; |
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tableWrap.style.borderRadius = (opts.borderRadius || 12) + 'px'; |
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|
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var table = document.createElement('table'); |
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table.className = 'bkbg-st-table'; |
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table.style.color = opts.textColor || '#e2e8f0'; |
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table.style.backgroundColor = opts.bgColor || '#0f172a'; |
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|
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var thead = document.createElement('thead'); |
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var hrow = document.createElement('tr'); |
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hrow.style.borderBottom = '1px solid ' + (opts.borderColor || '#334155'); |
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hrow.style.opacity = '0.7'; |
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|
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function th(txt) { |
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var td = document.createElement('th'); |
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td.textContent = txt; |
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td.style.fontWeight = 600; |
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td.style.padding = '10px 14px'; |
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return td; |
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} |
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|
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hrow.appendChild(th('Asset')); |
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hrow.appendChild(th('Price')); |
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if (opts.showChange) hrow.appendChild(th('24h')); |
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if (opts.showMarketCap) hrow.appendChild(th('Mkt Cap')); |
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if (opts.showVolume) hrow.appendChild(th('Volume')); |
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thead.appendChild(hrow); |
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table.appendChild(thead); |
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|
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var tbody = document.createElement('tbody'); |
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data.forEach(function (coin, i) { |
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var row = document.createElement('tr'); |
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row.style.borderBottom = '1px solid ' + (opts.borderColor || '#334155'); |
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if (i % 2) row.style.background = 'rgba(255,255,255,0.02)'; |
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|
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function td(inner) { |
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var cell = document.createElement('td'); |
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cell.style.padding = '10px 14px'; |
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if (typeof inner === 'string') cell.textContent = inner; |
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else cell.appendChild(inner); |
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return cell; |
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} |
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|
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var assetWrap = document.createElement('div'); |
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assetWrap.style.display = 'flex'; |
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assetWrap.style.alignItems = 'center'; |
| 299 |
assetWrap.style.gap = '8px'; |
| 300 |
if (opts.showIcons && coin.image) { |
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var img = document.createElement('img'); img.src = coin.image; img.alt = coin.symbol; |
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img.style.width = '20px'; img.style.height = '20px'; img.style.borderRadius = '50%'; |
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assetWrap.appendChild(img); |
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} |
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var n = document.createElement('strong'); n.textContent = coin.name; assetWrap.appendChild(n); |
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if (opts.showSymbol) { |
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var sp = document.createElement('span'); sp.textContent = coin.symbol.toUpperCase(); |
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sp.style.opacity = '0.5'; sp.style.fontSize = '11px'; assetWrap.appendChild(sp); |
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} |
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row.appendChild(td(assetWrap)); |
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|
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var priceCell = td(fmt(coin.current_price, sym)); |
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priceCell.style.textAlign = 'right'; |
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priceCell.style.fontWeight = '700'; |
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row.appendChild(priceCell); |
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|
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if (opts.showChange) { |
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var ch = coin.price_change_percentage_24h; |
| 319 |
var chTd = td((ch >= 0 ? '▲ +' : '▼ ') + (ch ? ch.toFixed(2) : '0.00') + '%'); |
| 320 |
chTd.style.textAlign = 'right'; |
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chTd.style.color = ch >= 0 ? (opts.upColor || '#22c55e') : (opts.downColor || '#ef4444'); |
| 322 |
row.appendChild(chTd); |
| 323 |
} |
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|
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if (opts.showMarketCap) { |
| 326 |
var mct = td(fmtBig(coin.market_cap)); mct.style.textAlign = 'right'; mct.style.opacity = '0.7'; row.appendChild(mct); |
| 327 |
} |
| 328 |
if (opts.showVolume) { |
| 329 |
var vt = td(fmtBig(coin.total_volume)); vt.style.textAlign = 'right'; vt.style.opacity = '0.7'; row.appendChild(vt); |
| 330 |
} |
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tbody.appendChild(row); |
| 332 |
}); |
| 333 |
|
| 334 |
table.appendChild(tbody); |
| 335 |
tableWrap.appendChild(table); |
| 336 |
contentEl.innerHTML = ''; |
| 337 |
contentEl.appendChild(tableWrap); |
| 338 |
} |
| 339 |
|
| 340 |
// ── Init & refresh ─────────────────────────────────────────── |
| 341 |
fetchData(); |
| 342 |
var interval = parseInt(opts.refreshInterval, 10) || 60; |
| 343 |
setInterval(fetchData, interval * 1000); |
| 344 |
} |
| 345 |
|
| 346 |
document.addEventListener('DOMContentLoaded', function () { |
| 347 |
document.querySelectorAll('.bkbg-st-app').forEach(initTicker); |
| 348 |
}); |
| 349 |
|
| 350 |
if (document.readyState === 'complete' || document.readyState === 'interactive') { |
| 351 |
document.querySelectorAll('.bkbg-st-app').forEach(initTicker); |
| 352 |
} |
| 353 |
})(); |
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|
