function nanoid(t = 21) { crypto.getRandomValues(new Uint8Array(t)).reduce(((t, e) => t += (e &= 63) < 36 ? e.toString(36) : e < 62 ? (e - 26).toString(36).toUpperCase() : e < 63 ? "_" : "-"), ""); } function generateCode(length, containUppercase, groups = 0) { let result = ''; let characters = containUppercase ? 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789' : 'abcdefghijklmnopqrstuvwxyz'; let charactersLength = characters.length; for (let i = 0; i < length; i++) { result += characters.charAt(Math.floor(Math.random() * charactersLength)); } if (groups) result = result.split('').map((l, i, a) => (i + 1) % groups == 0 && i != a.length - 1 ? l + '-' : l).join('') return result; }