Download IKEA shopping cart as CSV

gistfile1.js

var productList = document.querySelector(
  '[data-testid="product_list_product_group_items"]'
);
var products = productList.querySelectorAll("[class^='product_product']");

const sizeRegex = /(\d+)x(\d+) cm/;
const delimiter = ";";
const headers = [
  "Article Nr.",
  "Name",
  "Description",
  "Width",
  "Height",
  "Quantity",
  "Price",
  "Total Price",
  "Link",
];

var csv = headers.join(delimiter) + "\n";
for (var i = 0; i < products.length; ++i) {
  try {
    let productName = products[i].querySelector("[itemprop='name']");
    let productDescription = products[i].querySelector(
      "[itemprop='description']"
    );
    let productArticleNr = products[i].querySelector(
      ".cart-ingka-product-identifier__value"
    );
    let productInfo = products[i].querySelectorAll("[class^='product_informationContainer'] li");
    let productLink = products[i].querySelector("a").href;
    let productPrice = products[i].querySelector(
      "[class^='pricePerItem_container']"
    );
    let productPriceTotal = products[i].querySelector("[class^='price_total']");
    let quantity = products[i].querySelector(
      "[class^='cart-ingka-quantity-stepper__input']"
    );

    let quantityVal = quantity ? +quantity.value : 1;
    let productPriceVal =
      productPrice.innerText.length > 0 ? +productPrice.innerText : undefined;
    let productPriceTotalVal = +productPriceTotal.innerText;
    let priceVal = productPriceVal
      ? productPriceVal
      : +(productPriceTotalVal / quantityVal);


    let found = false;
    let w = "", h = "";

    for (const item of productInfo) {
      const text = item.textContent;
      const match = text.match(sizeRegex);
      
      if (match) {
        found = true;
        w = parseInt(match[1], 10);
        h = parseInt(match[2], 10);
        break;
      }
    }

    csv +=
      productArticleNr.innerText +
      delimiter +
      productName.innerText +
      delimiter +
      productDescription.innerText +
      delimiter +
      w +
      delimiter +
      h +
      delimiter +
      quantityVal +
      delimiter +
      priceVal.toFixed(2) +
      delimiter +
      productPriceTotalVal.toFixed(2) +
      delimiter +
      productLink +
      "\n";
  } catch (e) {
    console.error(e, products[i]);
  }
}

const blob = new Blob([csv], { type: "text/csv" });

const url = window.URL.createObjectURL(blob);
const a = document.createElement("a");
a.setAttribute("href", url);
a.setAttribute("download", "ikea_cart.csv");
a.click();

Extended and updated existing script by @GenieTim.