Parse ebay itemid from url

parse_ebay_itemid_from_url.js

parseUrlForEbayItemId(url) {
    if (url) {
      if (url.toLowerCase()
        .indexOf('ebay') >= 0) {
        console.log('ebay found');
        // this url is on ebay, try to get the item id
        const splited = url.split('/');
        // search for "/itm/"
        if (splited.indexOf('itm') > 0) {
          console.log('itm found');
          // get last part of "/"
          let itemId = splited[splited.length - 1];
          // truncate if needed
          if (itemId.indexOf('?') > 0) {
            if ((itemId.toLowerCase()
              .indexOf('ebayisapi.dll') >= 0) && (itemId.toLowerCase()
              .indexOf('&item=') >= 0)) {
              // get the id from item params
              itemId = itemId.split('&item=')[1];
              // trunc other params if needed
              itemId = itemId.split('&')[0];
            } else {
              // get the id from truncated string before "?"
              itemId = itemId.split('?')[0];
            }
          }
          // remove "#..." if needed
          itemId = itemId.split('#')[0];
          return itemId;
        }
        if ((url.toLowerCase().indexOf('ebayisapi.dll') >= 0) && (url.toLowerCase().indexOf('&item=') >= 0)) {
          const itemId =  url.split('&item=')[1];
          return itemId.split('&')[0];
        }
      }
    }
  }