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/** |
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* Woo Product Variations widget behavior. |
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* |
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* Enhances variation selects with swatches. |
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*/ |
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(function ($) { |
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"use strict"; |
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|
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const INIT_FLAG = "kaWooVariationsInit"; |
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|
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const initVariations = (wrap) => { |
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if (!wrap || !wrap.dataset) return; |
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if (wrap.dataset[INIT_FLAG] === "1") return; |
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wrap.dataset[INIT_FLAG] = "1"; |
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|
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const form = wrap.querySelector('form.variations_form'); |
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if (!form) return; |
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|
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if (wrap.dataset.swatches !== 'yes') return; |
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|
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let map = {}; |
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try { |
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map = wrap.dataset.swatchesMap ? JSON.parse(wrap.dataset.swatchesMap) : {}; |
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} catch (e) { |
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map = {}; |
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} |
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|
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const unavailableBehavior = map.unavailable || 'disable'; |
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const showSelected = map.show_selected === 'yes'; |
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const shape = map.shape || 'square'; |
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const attrMap = (map.map) || {}; |
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const source = map.source || 'auto'; |
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|
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const selects = form.querySelectorAll('select'); |
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const updateCallbacks = []; |
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const runAll = () => updateCallbacks.forEach((cb) => cb()); |
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|
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// Woo leaves out-of-stock options enabled in the native select when |
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// "hide out of stock" is off. Hide/disable would then be a no-op, |
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// so also read the variation JSON Woo already prints on the form. |
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let productVariations = []; |
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try { |
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const raw = form.getAttribute('data-product_variations'); |
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productVariations = raw && raw !== 'false' ? JSON.parse(raw) : []; |
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} catch (e) { |
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productVariations = []; |
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} |
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|
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const attributeMatches = (variationAttr, selected) => { |
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if (!variationAttr) { |
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return true; |
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} |
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return variationAttr === selected; |
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}; |
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|
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const valueIsAvailable = (attrName, val) => { |
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if (!Array.isArray(productVariations) || !productVariations.length) { |
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const opt = form.querySelector(`select[name="${attrName}"] option[value="${val}"]`); |
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return !(opt && opt.disabled); |
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} |
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return productVariations.some((variation) => { |
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if (!variation || variation.is_in_stock === false) { |
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return false; |
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} |
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const attrs = variation.attributes || {}; |
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if (!attributeMatches(attrs[attrName], val)) { |
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return false; |
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} |
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return Array.from(selects).every((other) => { |
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if (other.name === attrName || !other.value) { |
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return true; |
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} |
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return attributeMatches(attrs[other.name], other.value); |
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}); |
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}); |
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}; |
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|
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selects.forEach((select) => { |
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const attrName = select.name; |
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const swatchesInfo = attrMap[attrName]; |
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if (!swatchesInfo) { |
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return; |
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} |
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|
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const container = document.createElement('div'); |
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container.className = 'ka-woo-variations__swatches'; |
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|
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const selectedText = document.createElement('div'); |
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selectedText.className = 'ka-woo-variations__selected'; |
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|
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const options = Array.from(select.options).filter((opt) => opt.value !== ''); |
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options.forEach((opt) => { |
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const btn = document.createElement('button'); |
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btn.type = 'button'; |
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btn.className = 'ka-woo-variations__swatch'; |
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if (shape === 'round') { |
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btn.classList.add('ka-woo-variations__swatch--round'); |
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} |
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btn.dataset.value = opt.value; |
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|
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const info = swatchesInfo[opt.value] || {}; |
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|
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if (source === 'text') { |
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const span = document.createElement('span'); |
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span.className = 'ka-woo-variations__swatch-text'; |
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span.textContent = info.label || opt.text; |
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btn.appendChild(span); |
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} else if (info.image) { |
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const img = document.createElement('img'); |
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img.src = info.image; |
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img.alt = info.label || opt.text; |
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img.className = 'ka-woo-variations__swatch-img'; |
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btn.appendChild(img); |
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} else if (info.color) { |
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const span = document.createElement('span'); |
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span.className = 'ka-woo-variations__swatch-color'; |
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span.style.background = info.color; |
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btn.appendChild(span); |
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} else { |
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const span = document.createElement('span'); |
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span.className = 'ka-woo-variations__swatch-text'; |
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span.textContent = info.label || opt.text; |
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btn.appendChild(span); |
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} |
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|
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btn.addEventListener('click', () => { |
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if (!valueIsAvailable(attrName, opt.value)) { |
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return; |
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} |
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select.value = opt.value; |
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select.dispatchEvent(new Event('change', { bubbles: true })); |
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if (window.jQuery) { |
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window.jQuery(select).trigger('change'); |
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} |
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runAll(); |
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}); |
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|
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container.appendChild(btn); |
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}); |
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|
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select.style.display = 'none'; |
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select.insertAdjacentElement('afterend', container); |
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if (showSelected) { |
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container.insertAdjacentElement('afterend', selectedText); |
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} |
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|
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const updateStates = () => { |
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const current = select.value; |
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Array.from(container.children).forEach((btn) => { |
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const val = btn.dataset.value; |
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const opt = select.querySelector(`option[value="${val}"]`); |
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const unavailable = !valueIsAvailable(attrName, val) || !!(opt && opt.disabled); |
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btn.classList.toggle('is-active', current === val); |
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btn.classList.toggle('is-disabled', unavailable); |
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if (unavailable && unavailableBehavior === 'hide') { |
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btn.style.display = 'none'; |
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} else { |
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btn.style.display = ''; |
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} |
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}); |
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if (showSelected) { |
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const label = (swatchesInfo[current] && swatchesInfo[current].label) || current || ''; |
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const prefix = select.getAttribute('aria-label') || ''; |
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selectedText.textContent = label ? `${prefix}: ${label}` : ''; |
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} |
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}; |
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|
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select.addEventListener('change', runAll); |
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updateCallbacks.push(updateStates); |
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}); |
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|
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runAll(); |
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|
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// Sync with WooCommerce variation script events. |
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if (window.jQuery) { |
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const $form = window.jQuery(form); |
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$form.on('woocommerce_update_variation_values woocommerce_variation_has_changed reset_data found_variation hide_variation', runAll); |
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const resetBtn = form.querySelector('.reset_variations'); |
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if (resetBtn) { |
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resetBtn.addEventListener('click', () => { |
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setTimeout(runAll, 50); |
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}); |
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} |
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} |
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}; |
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|
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const initAll = (root) => { |
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const ctx = root && root.querySelectorAll ? root : document; |
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ctx.querySelectorAll(".ka-woo-variations").forEach(initVariations); |
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}; |
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|
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document.addEventListener("DOMContentLoaded", () => initAll(document)); |
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|
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$(window).on("elementor/frontend/init", function () { |
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elementorFrontend.hooks.addAction( |
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"frontend/element_ready/woo_product_variations.default", |
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function ($scope) { |
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initAll($scope && $scope[0] ? $scope[0] : document); |
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} |
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); |
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}); |
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})(jQuery); |
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