text: import calculateCellWidthIndex from './calculateCellWidthIndex';
  
  /**
   * Produces an array of values that describe the largest value length (width) in every column.
   *
   * @param {Array[]} rows
   * @returns {number[]}
   */
  export default (rows) => {
    if (!rows[0]) {
      throw new Error('Dataset must have at least one row.');
    }
  
    const columns = new Array(rows[0].length).fill(0);
  
    rows.forEach((row) => {
      const columnWidthIndex = calculateCellWidthIndex(row);
  
      columnWidthIndex.forEach((valueWidth, index0) => {
        if (columns[index0] < valueWidth) {
          columns[index0] = valueWidth;
        }
      });
    });
  
    return columns;
  };
  