blob: dd73059f7de592662bc1e0d71f903fbc9e6bf78c (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
// Generic utilities
import { type ClassValue, clsx } from "clsx";
import { twMerge } from "tailwind-merge";
export function cn(...inputs: ClassValue[]) {
return twMerge(clsx(inputs));
}
/**
* Generates a UUID v4 string
* Uses crypto.randomUUID() if available, otherwise falls back to a custom implementation
*/
export function generateUUID(): string {
// Use the native crypto.randomUUID if available
if (typeof crypto !== 'undefined' && typeof crypto.randomUUID === 'function') {
return crypto.randomUUID();
}
// Secure fallback using crypto.getRandomValues
const bytes = new Uint8Array(16);
crypto.getRandomValues(bytes);
// Set version 4 (UUIDv4)
bytes[6] = (bytes[6] & 0x0f) | 0x40;
// Set variant 10xxxxxx
bytes[8] = (bytes[8] & 0x3f) | 0x80;
const hex = [...bytes].map(b => b.toString(16).padStart(2, '0'));
return (
hex.slice(0, 4).join('') + '-' +
hex.slice(4, 6).join('') + '-' +
hex.slice(6, 8).join('') + '-' +
hex.slice(8, 10).join('') + '-' +
hex.slice(10, 16).join('')
);
}
|