87 lines
2.4 KiB
TypeScript
87 lines
2.4 KiB
TypeScript
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import { type ClassValue, clsx } from "clsx";
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import { twMerge } from "tailwind-merge";
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export function cn(...inputs: ClassValue[]) {
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return twMerge(clsx(inputs));
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}
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export function formatDate(dateString: string): string {
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if (!dateString) return 'N/A';
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const date = new Date(dateString);
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return date.toLocaleDateString('en-ZA', {
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day: '2-digit',
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month: 'short',
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year: 'numeric',
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});
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}
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export function formatDateTime(dateString: string): string {
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if (!dateString) return 'N/A';
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const date = new Date(dateString);
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return date.toLocaleString('en-ZA', {
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day: '2-digit',
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month: 'short',
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year: 'numeric',
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hour: '2-digit',
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minute: '2-digit',
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});
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}
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export function formatCurrency(amount: number): string {
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return new Intl.NumberFormat('en-ZA', {
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style: 'currency',
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currency: 'ZAR',
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}).format(amount);
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}
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export function getRelativeTime(dateString: string): string {
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const date = new Date(dateString);
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const now = new Date();
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const diffInSeconds = Math.floor((now.getTime() - date.getTime()) / 1000);
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if (diffInSeconds < 60) return 'Just now';
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if (diffInSeconds < 3600) return `${Math.floor(diffInSeconds / 60)}m ago`;
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if (diffInSeconds < 86400) return `${Math.floor(diffInSeconds / 3600)}h ago`;
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if (diffInSeconds < 604800) return `${Math.floor(diffInSeconds / 86400)}d ago`;
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return formatDate(dateString);
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}
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export function debounce<T extends (...args: unknown[]) => unknown>(
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func: T,
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wait: number
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): (...args: Parameters<T>) => void {
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let timeout: ReturnType<typeof setTimeout>;
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return (...args: Parameters<T>) => {
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clearTimeout(timeout);
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timeout = setTimeout(() => func(...args), wait);
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};
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}
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export function groupBy<T>(array: T[], key: keyof T): Record<string, T[]> {
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return array.reduce((result, item) => {
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const groupKey = String(item[key]);
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if (!result[groupKey]) {
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result[groupKey] = [];
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}
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result[groupKey].push(item);
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return result;
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}, {} as Record<string, T[]>);
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}
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export function calculateDistance(
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lat1: number,
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lon1: number,
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lat2: number,
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lon2: number
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): number {
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const R = 6371; // Earth's radius in km
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const dLat = (lat2 - lat1) * Math.PI / 180;
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const dLon = (lon2 - lon1) * Math.PI / 180;
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const a =
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Math.sin(dLat / 2) * Math.sin(dLat / 2) +
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Math.cos(lat1 * Math.PI / 180) * Math.cos(lat2 * Math.PI / 180) *
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Math.sin(dLon / 2) * Math.sin(dLon / 2);
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const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
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return R * c;
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}
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