copy_csv_to_clipboard.js

function copy(text) {
  var copyText = document.createElement('textarea');
  document.body.appendChild(copyText);
  copyText.value = text;
  copyText.select();
  document.execCommand("copy");
}

function infosToCsv() {
  function composeHeaders(hv) {
    return hv.map(({ header }) => header).join("    ");
  }

  function composeValues(hv) {
    return hv.map(({ value }) => `"${value}"`).join("    ");
  }

  const infos = document.querySelector(
    "#seller-profile-container > div.a-row.a-spacing-medium > div > ul"
  );

  const headersAndValues = Array.from(infos.children).reduce((final, info) => {
    const address = info.querySelector("ul");

    if (address) {
      const addressAllElements = Array.from(address.children);
      const addressUnstructuredElements = addressAllElements.slice(0, addressAllElements.length - 3);
      const addressFixedElements = addressAllElements.slice(addressAllElements.length - 3);

      const addressHeadersAndValues = addressUnstructuredElements.map(
        (addressPart, i) => {
          return { header: "addr" + (i + 1), value: addressPart.textContent };
        }
      );

      const fixedAddressInfo = [
        { header: "Location/City/Province", value: addressFixedElements[0].textContent },
        { header: "PostalCode", value: addressFixedElements[1].textContent },
        { header: "Country", value: addressFixedElements[2].textContent },
      ]

      return [...final, ...fixedAddressInfo, ...addressHeadersAndValues];
    }

    const [header, value] = info.textContent.split(":");

    return [...final, { header, value }];
  }, []);

  const headers = composeHeaders(headersAndValues);
  const values = composeValues(headersAndValues);

  return headers + "\n" + values;
}
copy(infosToCsv());

has_seller.js

function copy(text) {
  var copyText = document.createElement('textarea');
  document.body.appendChild(copyText);
  copyText.value = text;
  copyText.select();
  document.execCommand("copy");
}

copy(document.querySelector('#sellerProfileTriggerId')?.href);