Press n or j to go to the next uncovered block, b, p or k for the previous block.
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import { twMerge } from 'tailwind-merge';
/**
* Merge Tailwind CSS classes with clsx
*/
export function cn(...inputs: ClassValue[]) {
return twMerge(clsx(inputs));
}
/**
* Format a date string for display
*/
export function formatDate(date: string | Date, options?: Intl.DateTimeFormatOptions): string {
const d = typeof date === 'string' ? new Date(date) : date;
return d.toLocaleDateString('en-IN', {
year: 'numeric',
month: 'short',
day: 'numeric',
...options,
});
}
/**
* Format a relative time (e.g., "2 hours ago")
*/
export function formatRelativeTime(date: string | Date): string {
const d = typeof date === 'string' ? new Date(date) : date;
const now = new Date();
const diffInSeconds = Math.floor((now.getTime() - d.getTime()) / 1000);
if (diffInSeconds < 60) return 'just now';
if (diffInSeconds < 3600) return `${Math.floor(diffInSeconds / 60)}m ago`;
if (diffInSeconds < 86400) return `${Math.floor(diffInSeconds / 3600)}h ago`;
if (diffInSeconds < 604800) return `${Math.floor(diffInSeconds / 86400)}d ago`;
return formatDate(d);
}
/**
* Truncate text with ellipsis
*/
export function truncate(str: string, length: number): string {
if (str.length <= length) return str;
return str.slice(0, length) + '...';
}
/**
* Generate initials from a name
*/
export function getInitials(name: string): string {
const parts = name.trim().split(/\s+/);
if (parts.length === 1) {
return parts[0].slice(0, 2).toUpperCase();
}
return (parts[0][0] + parts[parts.length - 1][0]).toUpperCase();
}
/**
* Format a phone number for WhatsApp URL
*/
export function formatWhatsAppUrl(phone: string, message?: string): string {
// Remove any non-digit characters except leading +
const cleaned = phone.replace(/[^\d+]/g, '');
// Remove leading + if present (WhatsApp URLs don't need it)
const number = cleaned.startsWith('+') ? cleaned.slice(1) : cleaned;
let url = `https://wa.me/${number}`;
if (message) {
url += `?text=${encodeURIComponent(message)}`;
}
return url;
}
/**
* Copy text to clipboard
*/
export async function copyToClipboard(text: string): Promise<boolean> {
try {
await navigator.clipboard.writeText(text);
return true;
} catch {
// Fallback for older browsers
const textArea = document.createElement('textarea');
textArea.value = text;
textArea.style.position = 'fixed';
textArea.style.left = '-999999px';
document.body.appendChild(textArea);
textArea.select();
try {
document.execCommand('copy');
return true;
} catch {
return false;
} finally {
document.body.removeChild(textArea);
}
}
}
/**
* Generate a random color based on a string (for avatars)
*/
export function stringToColor(str: string): string {
let hash = 0;
for (let i = 0; i < str.length; i++) {
hash = str.charCodeAt(i) + ((hash << 5) - hash);
}
const colors = [
'#0ea5e9', // sky-500
'#8b5cf6', // violet-500
'#ec4899', // pink-500
'#f97316', // orange-500
'#10b981', // emerald-500
'#06b6d4', // cyan-500
'#f59e0b', // amber-500
'#6366f1', // indigo-500
];
return colors[Math.abs(hash) % colors.length];
}
/**
* Debounce function
*/
// eslint-disable-next-line @typescript-eslint/no-explicit-any
export function debounce<T extends (...args: any[]) => any>(
func: T,
wait: number
): (...args: Parameters<T>) => void {
let timeoutId: ReturnType<typeof setTimeout> | null = null;
return function (this: unknown, ...args: Parameters<T>) {
if (timeoutId) {
clearTimeout(timeoutId);
}
timeoutId = setTimeout(() => {
func.apply(this, args);
}, wait);
};
}
/**
* Sleep/delay utility
*/
export function sleep(ms: number): Promise<void> {
return new Promise((resolve) => setTimeout(resolve, ms));
}
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