export function formatDate(dateString: string | undefined): string {
if (!dateString) return '';
const date = new Date(dateString);
const now = new Date();
const diffMs = now.getTime() - date.getTime();
const diffMins = Math.floor(diffMs / 60000);
const diffHours = Math.floor(diffMs / 3600000);
const diffDays = Math.floor(diffMs / 86400000);
if (diffMins < 1) return 'just now';
if (diffMins < 60) return `${diffMins}m ago`;
if (diffHours < 24) return `${diffHours}h ago`;
if (diffDays < 7) return `${diffDays}d ago`;
return date.toLocaleDateString('en-US', {
month: 'short',
day: 'numeric',
year: date.getFullYear() !== now.getFullYear() ? 'numeric' : undefined,
});
}
export function formatNumber(num: number): string {
if (num >= 1000000) {
return (num / 1000000).toFixed(1).replace(/\.0$/, '') + 'M';
}
if (num >= 1000) {
return (num / 1000).toFixed(1).replace(/\.0$/, '') + 'K';
}
return num.toString();
}
export function truncateText(text: string, maxLength: number): string {
if (text.length <= maxLength) return text;
return text.slice(0, maxLength - 3) + '...';
}
export function formatBytes(bytes: number): string {
if (bytes === 0) return '0 B';
const k = 1024;
const sizes = ['B', 'KB', 'MB', 'GB'];
const i = Math.floor(Math.log(bytes) / Math.log(k));
return parseFloat((bytes / Math.pow(k, i)).toFixed(1)) + ' ' + sizes[i];
}