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(function () { |
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'use strict'; |
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|
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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 DV = { |
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totalFat: 78, saturatedFat: 20, cholesterol: 300, |
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sodium: 2300, totalCarbs: 275, dietaryFiber: 28, |
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addedSugars: 50, protein: 50, |
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vitaminD: 20, calcium: 1300, iron: 18, potassium: 4700 |
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}; |
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|
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function dvPct(val, key) { |
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if (!DV[key] || !val) return null; |
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return Math.round((val / DV[key]) * 100); |
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} |
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|
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function esc(s) { |
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return String(s) |
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.replace(/&/g, '&') |
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.replace(/</g, '<') |
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.replace(/>/g, '>') |
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.replace(/"/g, '"'); |
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} |
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|
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function row(label, val, unit, key, bold, indent) { |
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var dv = key ? dvPct(val, key) : null; |
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var indentClass = indent === 2 ? ' bkbg-nl-indent2' : indent ? ' bkbg-nl-indent' : ''; |
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return '<div class="bkbg-nl-row' + (bold ? ' bkbg-nl-bold' : '') + indentClass + '">' + |
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'<span class="bkbg-nl-nutrient">' + |
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'<' + (bold ? 'strong' : 'span') + '>' + esc(label) + '</' + (bold ? 'strong' : 'span') + '> ' + |
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esc(val) + esc(unit) + |
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'</span>' + |
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(dv !== null ? '<span class="bkbg-nl-dv"><strong>' + dv + '%</strong></span>' : '') + |
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'</div>'; |
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} |
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|
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function buildApp(app) { |
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var opts; |
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try { opts = JSON.parse(app.getAttribute('data-opts') || '{}'); } catch (e) { return; } |
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var o = opts; |
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|
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var containerStyle = [ |
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'padding-top:' + (o.paddingTop || 40) + 'px', |
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'padding-bottom:' + (o.paddingBottom || 40) + 'px', |
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o.containerBg ? 'background:' + o.containerBg : '', |
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'display:flex', |
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'justify-content:center' |
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].filter(Boolean).join(';'); |
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|
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var labelStyle = [ |
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'font-family:Arial,Helvetica,sans-serif', |
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'font-size:' + (o.fontSize || 14) + 'px', |
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'background:' + (o.bgColor || '#fff'), |
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'color:' + (o.accentColor || '#000'), |
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'border:' + (o.borderWidth || 3) + 'px solid ' + (o.borderColor || '#000'), |
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'border-radius:' + (o.borderRadius || 0) + 'px', |
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'width:' + (o.labelWidth || 340) + 'px', |
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'max-width:100%', |
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'padding:8px 8px 4px', |
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'box-sizing:border-box' |
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].join(';'); |
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|
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var fs = o.fontSize || 14; |
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var bc = o.borderColor || '#000'; |
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|
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var html = '<div style="' + containerStyle + '"><div class="bkbg-nl-label" style="' + labelStyle + '">'; |
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|
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/* header */ |
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html += '<div class="bkbg-nl-header">'; |
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html += '<div class="bkbg-nl-title">Nutrition Facts</div>'; |
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if (o.foodName) html += '<div style="font-size:' + (fs * 0.9) + 'px;margin-top:2px;">' + esc(o.foodName) + '</div>'; |
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html += '<div style="border-top:4px solid ' + bc + ';border-bottom:4px solid ' + bc + ';padding:2px 0;margin:4px 0;font-size:' + (fs * 0.85) + 'px">'; |
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html += '<div>' + esc(o.servingsPerContainer || '2') + ' servings per container</div>'; |
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html += '<div style="display:flex;justify-content:space-between;font-weight:700"><span>Serving size</span><span>' + esc(o.servingSize || '1 cup') + '</span></div>'; |
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html += '</div></div>'; |
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|
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/* calories */ |
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html += '<div style="border-bottom:8px solid ' + bc + ';padding-bottom:4px">'; |
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html += '<div style="font-size:' + (fs * 0.75) + 'px;font-weight:700">Amount per serving</div>'; |
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html += '<div style="display:flex;justify-content:space-between;align-items:flex-end">'; |
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html += '<div style="font-size:' + (fs * 1.1) + 'px;font-weight:700">Calories</div>'; |
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html += '<div style="font-size:' + (fs * 2.8) + 'px;font-weight:900;line-height:1;color:' + (o.calorieColor || '#000') + '">' + esc(o.calories) + '</div>'; |
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html += '</div></div>'; |
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|
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/* %DV header */ |
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html += '<div style="text-align:right;font-size:' + (fs * 0.75) + 'px;border-bottom:1px solid ' + bc + ';padding-bottom:2px"><strong>% Daily Value*</strong></div>'; |
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|
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/* fats */ |
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html += row('Total Fat', o.totalFat, 'g', 'totalFat', true, false); |
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html += row('Saturated Fat', o.saturatedFat, 'g', 'saturatedFat', false, true); |
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html += '<div class="bkbg-nl-row bkbg-nl-indent"><span class="bkbg-nl-nutrient"><em>Trans</em> Fat ' + esc(o.transFat) + 'g</span></div>'; |
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if (o.showPolyMono) { |
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html += row('Polyunsaturated Fat', o.polyFat, 'g', null, false, true); |
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html += row('Monounsaturated Fat', o.monoFat, 'g', null, false, true); |
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} |
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|
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/* cholesterol / sodium */ |
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html += row('Cholesterol', o.cholesterol, 'mg', 'cholesterol', true, false); |
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html += row('Sodium', o.sodium, 'mg', 'sodium', true, false); |
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|
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/* carbs */ |
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html += row('Total Carbohydrate', o.totalCarbs, 'g', 'totalCarbs', true, false); |
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html += row('Dietary Fiber', o.dietaryFiber, 'g', 'dietaryFiber', false, true); |
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html += '<div class="bkbg-nl-row bkbg-nl-indent"><span class="bkbg-nl-nutrient">Total Sugars ' + esc(o.totalSugars) + 'g</span></div>'; |
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if (o.showAddedSugars !== false) { |
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var addedDv = dvPct(o.addedSugars, 'addedSugars'); |
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html += '<div class="bkbg-nl-row bkbg-nl-indent2"><span class="bkbg-nl-nutrient">Includes ' + esc(o.addedSugars) + 'g Added Sugars</span>'; |
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if (addedDv !== null) html += '<span class="bkbg-nl-dv" style="color:' + (o.dvColor || '#000') + '"><strong>' + addedDv + '%</strong></span>'; |
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html += '</div>'; |
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} |
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|
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/* protein */ |
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html += '<div class="bkbg-nl-row" style="border-top:4px solid ' + bc + '"><span class="bkbg-nl-nutrient"><strong>Protein </strong>' + esc(o.protein) + 'g</span></div>'; |
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|
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/* vitamins */ |
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if (o.showVitamins !== false) { |
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html += '<div style="border-top:8px solid ' + bc + '"></div>'; |
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html += '<div style="display:grid;grid-template-columns:1fr 1fr;gap:2px 8px;padding:4px 0;font-size:' + (fs * 0.85) + 'px">'; |
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html += '<span>Vitamin D ' + esc(o.vitaminD) + 'mcg</span><span>' + (dvPct(o.vitaminD, 'vitaminD') || 0) + '%</span>'; |
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html += '<span>Calcium ' + esc(o.calcium) + 'mg</span><span>' + (dvPct(o.calcium, 'calcium') || 0) + '%</span>'; |
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html += '<span>Iron ' + esc(o.iron) + 'mg</span><span>' + (dvPct(o.iron, 'iron') || 0) + '%</span>'; |
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html += '<span>Potassium ' + esc(o.potassium) + 'mg</span><span>' + (dvPct(o.potassium, 'potassium') || 0) + '%</span>'; |
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html += '</div>'; |
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} |
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|
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/* footnote */ |
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if (o.showFootnote !== false) { |
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html += '<div class="bkbg-nl-footnote" style="border-top:4px solid ' + bc + ';font-size:' + (fs * 0.72) + 'px;padding-top:4px">'; |
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html += '* The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. ' + esc(o.dvRef || '2000') + ' calories a day is used for general nutrition advice.'; |
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html += '</div>'; |
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} |
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|
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html += '</div></div>'; |
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|
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app.innerHTML = html; |
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|
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/* Typography CSS vars — set on outer container so they cascade */ |
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var wrap = app.querySelector('.bkbg-nl-label') || app; |
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typoCssVarsForEl(wrap, o.titleTypo, '--bkbg-nutl-tt-'); |
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} |
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|
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document.querySelectorAll('.bkbg-nl-app').forEach(buildApp); |
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})(); |
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|
