From 799fd2981abe010a5e4362b5c64951be5d0902c0 Mon Sep 17 00:00:00 2001 From: Sanjit K Date: Sat, 12 Jul 2025 00:14:03 -0500 Subject: fixed: [BUG] crypto.randomUUID is not a function Runtime Error #205. Added fallback function with manual UUID generation if crypto.randomUUID() was not available. --- apps/web/src/lib/utils.ts | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) (limited to 'apps/web/src/lib') diff --git a/apps/web/src/lib/utils.ts b/apps/web/src/lib/utils.ts index ae939698..dd73059f 100644 --- a/apps/web/src/lib/utils.ts +++ b/apps/web/src/lib/utils.ts @@ -5,4 +5,34 @@ 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('') + ); } \ No newline at end of file -- cgit v1.3.1