Function table

lib/internal/cli_table.js:54–92

(head, columns)

};

const table = (head, columns) => {
  const rows = [];
  const columnWidths = ArrayPrototypeMap(head, (h) => getStringWidth(h));
  const longestColumn = MathMaxApply(ArrayPrototypeMap(columns, (a) =>
    a.length));

  for (let i = 0; i < head.length; i++) {
    const column = columns[i];
    for (let j = 0; j < longestColumn; j++) {
      if (rows[j] === undefined)
        rows[j] = [];
      const value = rows[j][i] =
        ObjectPrototypeHasOwnProperty(column, j) ? column[j] : '';
      const width = columnWidths[i] || 0;
      const counted = getStringWidth(value);
      columnWidths[i] = MathMax(width, counted);
    }
  }

  const divider = ArrayPrototypeMap(columnWidths, (i) =>
    StringPrototypeRepeat(tableChars.middleMiddle, i + 2));

  let result = tableChars.topLeft +
               ArrayPrototypeJoin(divider, tableChars.topMiddle) +
               tableChars.topRight + '\n' +
               renderRow(head, columnWidths) + '\n' +
               tableChars.leftMiddle +
               ArrayPrototypeJoin(divider, tableChars.rowMiddle) +
               tableChars.rightMiddle + '\n';

  for (const row of rows)
    result += `${renderRow(row, columnWidths)}\n`;

  result += tableChars.bottomLeft +
            ArrayPrototypeJoin(divider, tableChars.bottomMiddle) +
            tableChars.bottomRight;

  return result;
};

module.exports = table;