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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;
};