app.js with new editItem method

app.snippet.1.js

addNewItem(itemName) {
  //...
  const item = htmlToElement(`
      ...
  
      <button class="edit-button">
        <svg class="stroke-current text-gray-600 h-4" viewBox="0 0 24 24" width="24" height="24" stroke="currentColor" stroke-width="2" fill="none" stroke-linecap="round" stroke-linejoin="round">
          <path d="M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7"></path>
          <path d="M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z"></path>
        </svg>
      </button>

      ...
  `);

  item.getElementsByClassName('edit-button')[0].addEventListener('click', () => this.editItem(item, itemName));
}

editItem(item, oldItemName) {

}