/**
 * The figure printed above a chart: whole numbers stay whole, a fraction
 * keeps at most two decimals, and the unit says what was counted.
 *
 * @param {number | string} total - The chart's total.
 * @param {string} unit - What the total counts, e.g. ``hits``; empty for none.
 * @returns {string} The figure, e.g. ``13 hits``.
 */
export const chartTotal = (
  total: number | string,
  unit: string = ''
): string => {
  const figure = Number(total).toLocaleString('en-US', {
    maximumFractionDigits: 2,
  });

  return unit ? `${figure} ${unit}` : figure;
};