export function asNumber(value: string | number | null | undefined) {
  if (value === null || value === undefined) {
    return 0;
  }

  const parsed = typeof value === 'number' ? value : Number(value);
  return Number.isFinite(parsed) ? parsed : 0;
}

export function formatCurrency(value: string | number | null | undefined) {
  return new Intl.NumberFormat('en-US', {
    style: 'currency',
    currency: 'USD',
    maximumFractionDigits: 2
  }).format(asNumber(value));
}

export function formatPercent(value: string | number | null | undefined) {
  return `${asNumber(value).toFixed(2)}%`;
}

export function formatCompactCurrency(value: string | number | null | undefined) {
  return new Intl.NumberFormat('en-US', {
    style: 'currency',
    currency: 'USD',
    notation: 'compact',
    maximumFractionDigits: 2
  }).format(asNumber(value));
}