cn utility

1import { clsx, type ClassValue } from "clsx";
2import { twMerge } from "tailwind-merge";
3 
4export function cn(...inputs: ClassValue[]) {
5  return twMerge(clsx(inputs));
6}
7 
8export function slugify(value: string) {
9  return value
10    .toLowerCase()
11    .normalize("NFKD")
12    .replace(/[^\w\s-]/g, "")
13    .trim()
14    .replace(/[\s_-]+/g, "-")
15    .replace(/^-+|-+$/g, "");
16}
17 
18export function formatCurrencyMillions(value?: number | null) {
19  if (value === undefined || value === null || Number.isNaN(value)) {
20    return "Undisclosed";
21  }
22 
23  return `$${value.toFixed(2)}M`;
24}
25 
26export function firstName(fullName?: string) {
27  if (!fullName) {
28    return undefined;
29  }
30 
31  return fullName.split(/\s+/)[0];
32}
33 
34export function quarterLabel(quarterId: string) {
35  return quarterId.replace("-", " ");
36}
37 
38export function asArray(value: string | string[] | undefined) {
39  if (value === undefined) {
40    return [];
41  }
42 
43  return Array.isArray(value) ? value : [value];
44}
45 
46export function compareValues(a: string | number | null | undefined, b: string | number | null | undefined) {
47  if (typeof a === "number" && typeof b === "number") {
48    return a - b;
49  }
50 
51  return String(a ?? "").localeCompare(String(b ?? ""), undefined, { sensitivity: "base" });
52}
53 
54export function getPageNumbers(
55  currentPage: number,
56  totalPages: number
57): (number | '...')[] {
58  if (totalPages <= 7) {
59    return Array.from({ length: totalPages }, (_, i) => i + 1);
60  }
61  if (currentPage <= 4) {
62    return [1, 2, 3, 4, 5, '...', totalPages];
63  }
64  if (currentPage >= totalPages - 3) {
65    return [1, '...', totalPages - 4, totalPages - 3, totalPages - 2, totalPages - 1, totalPages];
66  }
67  return [1, '...', currentPage - 1, currentPage, currentPage + 1, '...', totalPages];
68}