text: /**
   * 
   * @param {string} cellValue the content of the cell.
   * @returns {string}
   */
  export function cellContent(cellValue) {
      return ''+cellValue;
  }
  
  /**
   * 
   * @param {string} cellValue the content of the cell.
   * @returns {string}
   */
  export function cellColor(cellValue) {
      if (cellValue) {
          return '';
      }
      return '';
  }
  
  
  /**
   * 
   * @param {object} item The item that represents one lign in the table.
   * @returns {string}
   */
  export function rowColor(item) {
      if (item) {
          return '';
      }
      return '';
  }
  
  
  /**
   *
   * @param {any[]} items The data array
   * @param {string[]} index The sortBy value
   * @param {boolean[]} isDesc The sortDesc value
   * @returns {array}
   */
  export function customSortByColumn(items, index, isDesc) {
      items.sort((a, b) => {
          if (index=="id") {
              if (isDesc[0]) {
                  return b[index] - a[index];
              } else {
                  return a[index] - b[index];
              }
          }
      })
      return items;
  }