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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 STORE_PREFIX = 'bkbg-nlpop-'; |
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|
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/* ── helpers ── */ |
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function hexAlpha(hex, pct) { |
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var r = parseInt(hex.slice(1, 3), 16); |
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var g = parseInt(hex.slice(3, 5), 16); |
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var b = parseInt(hex.slice(5, 7), 16); |
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return 'rgba(' + r + ',' + g + ',' + b + ',' + (pct / 100).toFixed(2) + ')'; |
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} |
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|
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function validEmail(v) { |
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return /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(v.trim()); |
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} |
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|
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function storageKey(cookieName) { |
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return STORE_PREFIX + (cookieName || 'default'); |
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} |
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|
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function isSuppressed(key, days) { |
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if (!days) return false; |
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try { |
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var raw = localStorage.getItem(key); |
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if (!raw) return false; |
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var data = JSON.parse(raw); |
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var elapsed = (Date.now() - data.ts) / 86400000; // days |
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return elapsed < days; |
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} catch (e) { |
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return false; |
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} |
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} |
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|
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function saveLocal(key, action) { |
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try { |
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localStorage.setItem(key, JSON.stringify({ ts: Date.now(), action: action })); |
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} catch (e) {} |
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} |
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|
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/* ── build overlay DOM ── */ |
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function buildOverlay(o) { |
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var overlay = document.createElement('div'); |
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overlay.className = 'bkbg-nlpop-overlay'; |
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overlay.style.backgroundColor = hexAlpha(o.overlayBg, o.overlayOpacity); |
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|
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var box = document.createElement('div'); |
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box.className = 'bkbg-nlpop-box'; |
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box.style.maxWidth = o.maxWidth + 'px'; |
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box.style.borderRadius = o.borderRadius + 'px'; |
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box.style.background = o.popupBg; |
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box.style.boxShadow = '0 24px 64px rgba(0,0,0,0.18), 0 4px 16px rgba(0,0,0,0.10)'; |
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|
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var hasImage = o.imageUrl && o.imagePosition !== 'none'; |
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var isSide = hasImage && (o.imagePosition === 'left' || o.imagePosition === 'right'); |
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var isTop = hasImage && o.imagePosition === 'top'; |
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|
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/* inner wrapper */ |
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var inner = document.createElement('div'); |
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inner.className = 'bkbg-nlpop-inner' + (isSide ? ' layout-' + o.imagePosition : ''); |
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|
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/* close button */ |
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if (o.showClose) { |
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var closeBtn = document.createElement('button'); |
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closeBtn.className = 'bkbg-nlpop-close'; |
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closeBtn.setAttribute('aria-label', 'Close'); |
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closeBtn.innerHTML = '×'; |
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closeBtn.style.background = o.closeBg; |
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closeBtn.style.color = o.closeColor; |
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box.appendChild(closeBtn); |
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} |
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|
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/* top image */ |
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if (isTop) { |
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var topImg = document.createElement('div'); |
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topImg.className = 'bkbg-nlpop-top-img'; |
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topImg.style.backgroundImage = 'url(' + o.imageUrl + ')'; |
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inner.appendChild(topImg); |
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} |
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|
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/* left side image */ |
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if (isSide && o.imagePosition === 'left') { |
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var sideL = document.createElement('div'); |
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sideL.className = 'bkbg-nlpop-side-img'; |
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sideL.style.backgroundImage = 'url(' + o.imageUrl + ')'; |
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inner.appendChild(sideL); |
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} |
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|
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/* content block */ |
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var contentWrap = document.createElement('div'); |
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contentWrap.className = 'bkbg-nlpop-content'; |
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contentWrap.style.padding = o.padding + 'px'; |
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/* compress top padding if top image exists */ |
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if (isTop) { |
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contentWrap.style.paddingTop = Math.round(o.padding * 0.7) + 'px'; |
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} |
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|
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var heading = document.createElement('h2'); |
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heading.className = 'bkbg-nlpop-heading'; |
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heading.textContent = o.heading; |
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heading.style.color = o.headingColor; |
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|
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var subtext = document.createElement('p'); |
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subtext.className = 'bkbg-nlpop-subtext'; |
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subtext.textContent = o.subtext; |
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subtext.style.color = o.textColor; |
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|
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typoCssVarsForEl(box, o.headingTypo, '--bkbg-nlpop-ht-'); |
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typoCssVarsForEl(box, o.subtextTypo, '--bkbg-nlpop-st-'); |
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|
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/* form */ |
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var form = document.createElement('form'); |
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form.className = 'bkbg-nlpop-form'; |
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form.setAttribute('novalidate', ''); |
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|
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var emailRow = document.createElement('div'); |
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emailRow.className = 'bkbg-nlpop-email-row'; |
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|
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var input = document.createElement('input'); |
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input.type = 'email'; |
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input.className = 'bkbg-nlpop-input'; |
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input.placeholder = o.emailPlaceholder; |
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input.style.background = o.inputBg; |
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input.style.borderColor = o.inputBorder; |
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input.style.color = o.inputColor; |
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|
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var submit = document.createElement('button'); |
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submit.type = 'submit'; |
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submit.className = 'bkbg-nlpop-submit'; |
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submit.textContent = o.buttonLabel; |
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submit.style.background = o.buttonBg; |
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submit.style.color = o.buttonColor; |
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submit.style.fontSize = o.ctaSize + 'px'; |
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|
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var errorMsg = document.createElement('div'); |
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errorMsg.className = 'bkbg-nlpop-error'; |
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|
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emailRow.appendChild(input); |
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emailRow.appendChild(submit); |
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form.appendChild(emailRow); |
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form.appendChild(errorMsg); |
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|
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/* success state */ |
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var successDiv = document.createElement('div'); |
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successDiv.className = 'bkbg-nlpop-success'; |
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successDiv.style.color = o.headingColor; |
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|
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var successIcon = document.createElement('div'); |
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successIcon.className = 'bkbg-nlpop-success-icon'; |
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successIcon.textContent = '🎉'; |
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|
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var successMsg = document.createElement('p'); |
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successMsg.className = 'bkbg-nlpop-success-msg'; |
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successMsg.textContent = o.successMessage; |
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|
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var successSub = document.createElement('p'); |
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successSub.className = 'bkbg-nlpop-success-sub'; |
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successSub.textContent = o.successSubtext; |
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successSub.style.color = o.textColor; |
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|
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successDiv.appendChild(successIcon); |
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successDiv.appendChild(successMsg); |
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successDiv.appendChild(successSub); |
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|
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contentWrap.appendChild(heading); |
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contentWrap.appendChild(subtext); |
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contentWrap.appendChild(form); |
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contentWrap.appendChild(successDiv); |
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|
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inner.appendChild(contentWrap); |
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|
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/* right side image */ |
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if (isSide && o.imagePosition === 'right') { |
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var sideR = document.createElement('div'); |
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sideR.className = 'bkbg-nlpop-side-img'; |
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sideR.style.backgroundImage = 'url(' + o.imageUrl + ')'; |
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inner.appendChild(sideR); |
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} |
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|
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box.appendChild(inner); |
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overlay.appendChild(box); |
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|
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return { overlay: overlay, box: box, closeBtn: box.querySelector('.bkbg-nlpop-close'), form: form, input: input, errorMsg: errorMsg, successDiv: successDiv }; |
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} |
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|
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/* ── open / close ── */ |
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function openPopup(els, key, days) { |
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document.body.appendChild(els.overlay); |
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requestAnimationFrame(function () { |
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requestAnimationFrame(function () { |
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els.overlay.classList.add('is-visible'); |
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}); |
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}); |
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} |
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|
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function closePopup(els, key, action) { |
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saveLocal(key, action || 'dismissed'); |
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els.overlay.classList.remove('is-visible'); |
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setTimeout(function () { |
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if (els.overlay.parentNode) { |
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els.overlay.parentNode.removeChild(els.overlay); |
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} |
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}, 380); |
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} |
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|
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/* ── wires events ── */ |
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function wireEvents(els, o, key) { |
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/* close button */ |
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if (els.closeBtn) { |
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els.closeBtn.addEventListener('click', function () { |
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closePopup(els, key, 'dismissed'); |
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}); |
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} |
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|
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/* overlay click */ |
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if (o.overlayClickClose) { |
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els.overlay.addEventListener('click', function (e) { |
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if (e.target === els.overlay) { |
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closePopup(els, key, 'dismissed'); |
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} |
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}); |
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} |
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|
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/* escape key */ |
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var onKey = function (e) { |
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if (e.key === 'Escape') { |
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closePopup(els, key, 'dismissed'); |
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document.removeEventListener('keydown', onKey); |
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} |
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}; |
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document.addEventListener('keydown', onKey); |
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|
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/* form submit */ |
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els.form.addEventListener('submit', function (e) { |
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e.preventDefault(); |
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var val = els.input.value.trim(); |
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if (!validEmail(val)) { |
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els.errorMsg.textContent = 'Please enter a valid email address.'; |
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els.input.focus(); |
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return; |
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} |
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els.errorMsg.textContent = ''; |
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/* show success */ |
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els.form.style.display = 'none'; |
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els.successDiv.classList.add('is-visible'); |
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saveLocal(key, 'subscribed'); |
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/* auto-close after 3s */ |
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setTimeout(function () { |
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closePopup(els, key, 'subscribed'); |
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}, 3000); |
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}); |
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|
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/* clear error on input */ |
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els.input.addEventListener('input', function () { |
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els.errorMsg.textContent = ''; |
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}); |
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} |
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|
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/* ── setup triggers ── */ |
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function setupTriggers(o, key, cb) { |
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var fired = false; |
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function fire() { |
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if (fired) return; |
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fired = true; |
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cb(); |
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} |
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|
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var type = o.triggerType; |
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|
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/* delay trigger */ |
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if (type === 'delay' || type === 'both') { |
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setTimeout(fire, (o.delaySeconds || 5) * 1000); |
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} |
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|
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/* scroll trigger */ |
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if (type === 'scroll' || type === 'both') { |
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function onScroll() { |
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var scrolled = (window.scrollY || document.documentElement.scrollTop); |
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var total = document.documentElement.scrollHeight - window.innerHeight; |
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if (total > 0 && (scrolled / total) * 100 >= (o.scrollPercent || 40)) { |
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window.removeEventListener('scroll', onScroll); |
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fire(); |
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} |
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} |
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window.addEventListener('scroll', onScroll, { passive: true }); |
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} |
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|
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/* exit intent (desktop: cursor leaves window top; mobile: timeout fallback) */ |
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if (o.exitIntent) { |
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var isMobile = /Mobi|Android/i.test(navigator.userAgent); |
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if (isMobile) { |
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setTimeout(fire, 15000); |
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} else { |
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var onMouse = function (e) { |
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if (e.clientY < 10) { |
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document.removeEventListener('mouseleave', onMouse); |
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fire(); |
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} |
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}; |
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document.addEventListener('mouseleave', onMouse); |
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} |
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} |
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} |
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|
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/* ── main init ── */ |
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function init() { |
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document.querySelectorAll('.bkbg-nlpop-app').forEach(function (appEl) { |
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if (appEl.dataset.rendered) return; |
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appEl.dataset.rendered = '1'; |
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|
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var opts; |
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try { opts = JSON.parse(appEl.dataset.opts || '{}'); } catch (e) { opts = {}; } |
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|
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var o = Object.assign({ |
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heading: "Don't miss out! 🎁", |
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subtext: 'Join 10,000+ readers. Get the best content delivered to your inbox every week.', |
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emailPlaceholder: 'Enter your email address', |
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buttonLabel: 'Subscribe Now', |
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successMessage: "🎉 You're in! Check your inbox for a welcome email.", |
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successSubtext: 'You can unsubscribe at any time.', |
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imageUrl: '', |
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imageId: 0, |
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imagePosition: 'none', |
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triggerType: 'delay', |
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delaySeconds: 5, |
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scrollPercent: 40, |
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exitIntent: false, |
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cookieName: 'bkbg-nlpop', |
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cookieDays: 7, |
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showClose: true, |
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overlayClickClose: true, |
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maxWidth: 520, |
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borderRadius: 16, |
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padding: 40, |
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headingSize: 26, |
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textSize: 15, |
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ctaSize: 15, |
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overlayOpacity: 60, |
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overlayBg: '#000000', |
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popupBg: '#ffffff', |
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headingColor: '#111827', |
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textColor: '#6b7280', |
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inputBg: '#f9fafb', |
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inputBorder: '#d1d5db', |
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inputColor: '#374151', |
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buttonBg: '#6366f1', |
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buttonColor: '#ffffff', |
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closeBg: '#f3f4f6', |
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closeColor: '#6b7280', |
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successMessage: "🎉 You're in! Check your inbox for a welcome email.", |
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successSubtext: 'You can unsubscribe at any time.' |
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}, opts); |
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|
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var key = storageKey(o.cookieName); |
| 376 |
|
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/* check suppression */ |
| 378 |
if (isSuppressed(key, o.cookieDays)) return; |
| 379 |
|
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setupTriggers(o, key, function () { |
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var els = buildOverlay(o); |
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wireEvents(els, o, key); |
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openPopup(els, key, o.cookieDays); |
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}); |
| 385 |
}); |
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} |
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|
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if (document.readyState !== 'loading') { init(); } |
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else { document.addEventListener('DOMContentLoaded', init); } |
| 390 |
})(); |
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|
