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