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/**
* Utility functions for formatting numbers, currency, dates, etc.
*/
/**
* Format number with K/M/B suffix
*/
export function formatNumber(num) {
if (num === null || num === undefined) return '—';
const absNum = Math.abs(num);
if (absNum >= 1e9) {
return (num / 1e9).toFixed(2) + 'B';
}
if (absNum >= 1e6) {
return (num / 1e6).toFixed(2) + 'M';
}
if (absNum >= 1e3) {
return (num / 1e3).toFixed(2) + 'K';
}
return num.toFixed(0);
}
/**
* Format as currency (USD)
*/
export function formatCurrency(num, decimals = 2) {
if (num === null || num === undefined) return '$—';
const absNum = Math.abs(num);
if (absNum >= 1e9) {
return '$' + (num / 1e9).toFixed(2) + 'B';
}
if (absNum >= 1e6) {
return '$' + (num / 1e6).toFixed(2) + 'M';
}
if (absNum >= 1e3) {
return '$' + (num / 1e3).toFixed(2) + 'K';
}
return '$' + num.toFixed(decimals);
}
/**
* Format as percentage
*/
export function formatPercentage(num, decimals = 2) {
if (num === null || num === undefined) return '—%';
return (num >= 0 ? '+' : '') + num.toFixed(decimals) + '%';
}
/**
* Format date
*/
export function formatDate(date) {
if (!date) return '—';
const d = new Date(date);
return d.toLocaleDateString('en-US', {
year: 'numeric',
month: 'short',
day: 'numeric'
});
}
/**
* Format time
*/
export function formatTime(date) {
if (!date) return '—';
const d = new Date(date);
return d.toLocaleTimeString('en-US', {
hour: '2-digit',
minute: '2-digit'
});
}
/**
* Format relative time (e.g., "2 hours ago")
*/
export function formatRelativeTime(date) {
if (!date) return '—';
const now = new Date();
const d = new Date(date);
const diffMs = now - d;
const diffSec = Math.floor(diffMs / 1000);
const diffMin = Math.floor(diffSec / 60);
const diffHour = Math.floor(diffMin / 60);
const diffDay = Math.floor(diffHour / 24);
if (diffSec < 60) return 'just now';
if (diffMin < 60) return `${diffMin}m ago`;
if (diffHour < 24) return `${diffHour}h ago`;
if (diffDay < 7) return `${diffDay}d ago`;
return formatDate(date);
}
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