GetColorVariationGroup.js

importPackage( dw.util );
importPackage( dw.system );
importPackage( dw.catalog );
var ProductUtils = require('app_storefront_core/cartridge/scripts/product/ProductUtils.js');

function execute(Product, CurrentVariationModel) {
    var pvm : ProductVariationModel = empty(CurrentVariationModel) ? Product.variationModel : CurrentVariationModel;

    if (Product.isMaster()) {
        //get the first selected variant
        Product = (pvm.getSelectedVariants().length > 0) ? pvm.getSelectedVariants()[0] :  pvm.getVariants()[0];
    }

    var variationGroups : Collection = ProductUtils.getSelectedVariationGroups(Product);

    var VariationGroup = (variationGroups.size() > 0) ? variationGroups[0] : null;

    return VariationGroup;
}

module.export = {
  execute: execute
}