if (typeof dataLayer !== "undefined") {
dataLayer.push({
"ecommerce": {
"currency": "CZK",
"impressions": [
{
"id": "35870",
"name": "Rámový set Roscoe",
"price": "20990.0",
"brand": "Trek",
"category": "Trail mountain bikes",
"variant": "black",
"list": "CATEGORY",
"position": 1
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} else {
console.log("dataLayer");
}