besper-frontend-site-dev-0935/src/utils/formatters.ts

Professional B-esper Frontend Site - Site-wide integration toolkit for full website bot deployment

// Formatting utility functions

export function formatFileSize(bytes: number): string {
  if (bytes === 0) return '0 Bytes';

  const k = 1024;
  const sizes = ['Bytes', 'KB', 'MB', 'GB'];
  const i = Math.floor(Math.log(bytes) / Math.log(k));

  return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
}

export function formatDate(date: Date | string): string {
  const d = typeof date === 'string' ? new Date(date) : date;
  const now = new Date();
  const diffTime = Math.abs(now.getTime() - d.getTime());
  const diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24));

  if (diffDays === 1) return 'Yesterday';
  if (diffDays < 7) return `${diffDays} days ago`;
  if (diffDays < 30) return `${Math.ceil(diffDays / 7)} weeks ago`;
  if (diffDays < 365) return `${Math.ceil(diffDays / 30)} months ago`;

  return d.toLocaleDateString();
}

export function formatTime(date: Date | string): string {
  const d = typeof date === 'string' ? new Date(date) : date;
  return d.toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' });
}

export function formatNumber(num: number): string {
  if (num >= 1000000) return (num / 1000000).toFixed(1) + 'M';
  if (num >= 1000) return (num / 1000).toFixed(1) + 'K';
  return num.toString();
}

export function formatDuration(milliseconds: number): string {
  if (milliseconds < 1000) return `${milliseconds}ms`;

  const seconds = milliseconds / 1000;
  if (seconds < 60) return `${seconds.toFixed(1)}s`;

  const minutes = seconds / 60;
  if (minutes < 60) return `${minutes.toFixed(1)}m`;

  const hours = minutes / 60;
  return `${hours.toFixed(1)}h`;
}

export function formatPercentage(value: number, total: number): string {
  if (total === 0) return '0%';
  return Math.round((value / total) * 100) + '%';
}

export function capitalizeFirstLetter(str: string): string {
  return str.charAt(0).toUpperCase() + str.slice(1);
}

export function truncateText(text: string, maxLength: number): string {
  if (text.length <= maxLength) return text;
  return text.substring(0, maxLength - 3) + '...';
}

export function kebabToTitle(str: string): string {
  return str
    .split('-')
    .map(word => capitalizeFirstLetter(word))
    .join(' ');
}