calculateMaximumColumnWidthIndex.js 1.03 KB
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _calculateCellWidthIndex = _interopRequireDefault(require("./calculateCellWidthIndex"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/**
 * Produces an array of values that describe the largest value length (width) in every column.
 *
 * @param {Array[]} rows
 * @returns {number[]}
 */
const calculateMaximumColumnWidthIndex = 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 = (0, _calculateCellWidthIndex.default)(row);
    columnWidthIndex.forEach((valueWidth, index0) => {
      if (columns[index0] < valueWidth) {
        columns[index0] = valueWidth;
      }
    });
  });
  return columns;
};

var _default = calculateMaximumColumnWidthIndex;
exports.default = _default;
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