Function rowToStringArray

packages/utils/src/lib/text-formats/table.ts:10–38

({ rows, columns = [] }: Table)

import { capitalize } from '../case-conversions.js';

export function rowToStringArray({ rows, columns = [] }: Table): string[][] {
  if (Array.isArray(rows.at(0)) && typeof columns.at(0) === 'object') {
    throw new TypeError(
      'Column can`t be object when rows are primitive values',
    );
  }

  return rows.map(row => {
    // row = ['100 ms', '200 ms']
    if (Array.isArray(row)) {
      return row.map(String);
    }

    // row = { prop1: '100 ms', prop2: '200 ms' }
    const objectRow = row;

    // columns [] || column.at(0) = 'center'
    if (columns.length === 0 || typeof columns.at(0) === 'string') {
      return Object.values(objectRow).map(value =>
        value == null ? '' : String(value),
      );
    }

    // column = {key: 'prop1'}
    return (columns as TableColumnObject[]).map(({ key }): string =>
      objectRow[key] == null ? '' : String(objectRow[key]),
    );
  });
}

// Determine effective columns based on the input rows and optional columns parameter
export function columnsToStringArray({