const hexList: string[] = []; for (let i = 0; i <= 15; i++) { hexList[i] = i.toString(16); } export function buildUUID(): string { let uuid = ''; for (let i = 1; i <= 36; i++) { switch (i) { case 9: case 14: case 19: case 24: { uuid += '-'; break; } case 15: { uuid += 4; break; } case 20: { uuid += hexList[(Math.random() * 4) | 8]; break; } default: { uuid += hexList[Math.trunc(Math.random() * 16)]; } } } return uuid.replaceAll('-', ''); } let unique = 0; export function buildShortUUID(prefix = ''): string { const time = Date.now(); const random = Math.floor(Math.random() * 1_000_000_000); unique++; return `${prefix}_${random}${unique}${String(time)}`; }