uuid 4.4.2 uuid: ^4.4.2 copied to clipboard
RFC4122 (v1, v4, v5, v6, v7, v8) UUID Generator and Parser for Dart
import 'package:uuid/data.dart';
import 'package:uuid/uuid.dart';
import 'package:uuid/rng.dart';
void main() {
var uuid = Uuid();
// Generate a v1 (time-based) id
var v1 = uuid.v1(); // -> '6c84fb90-12c4-11e1-840d-7b25c5ee775a'
var v1Exact = uuid.v1(
config: V1Options(
0x1234,
DateTime.utc(2011, 11, 01).millisecondsSinceEpoch,
5678,
[0x01, 0x23, 0x45, 0x67, 0x89, 0xab],
null)); // -> '710b962e-041c-11e1-9234-0123456789ab'
// Generate a v4 (random) id
var v4 = uuid.v4(); // -> '110ec58a-a0f2-4ac4-8393-c866d813b8d1'
// Generate a v4 (crypto-random) id
var v4Crypto = uuid.v4(config: V4Options(null, CryptoRNG()));
// -> '110ec58a-a0f2-4ac4-8393-c866d813b8d1'
// Generate a v5 (namespace-name-sha1-based) id
var v5 = uuid.v5(Uuid.NAMESPACE_URL, 'www.google.com');
// -> 'c74a196f-f19d-5ea9-bffd-a2742432fc9c'
// Generate a v6 (time-based) id
var v6 = uuid.v6(); // -> '1ebbc608-7459-6a20-bc85-0d10b6a52acd'
var v6Exact = uuid.v6(
config: V6Options(
0x1234,
DateTime.utc(2011, 11, 01).millisecondsSinceEpoch,
5678,
[0x01, 0x23, 0x45, 0x67, 0x89, 0xab],
null)); // -> '1e1041c7-10b9-662e-9234-0123456789ab'
// Generate a v7 (time-based) id
var v7 = uuid.v7(); // -> 060ab53c-0bb2-7482-8000-ab029e8fa2ea
var v7Exact = uuid.v7(
config: V7Options(
DateTime.utc(2011, 10, 9, 8, 7, 6, 543, 210).millisecondsSinceEpoch, [
0x01,
0x23,
0x45,
0x67,
0x89,
0xab,
0x01,
0x23,
0x45,
0x67
])); // -> '04e91562-0884-7fea-9234-0123456789ab'
// Generate a v8 (time-random) id
var v8 = uuid.v8(); // -> '1e1041c7-10b9-662e-9234-0123456789ab'
var v8Exact = uuid.v8(
config: V8Options(DateTime.utc(2011, 10, 9, 8, 7, 6, 543, 210), [
0x01,
0x23,
0x45,
0x67,
0x89,
0xab,
0x01,
0x23,
0x45,
0x67
])); // -> '1e1041c7-10b9-662e-9234-0123456789ab'
print('v1 | $v1');
print('v1 exact | $v1Exact');
print('v4 | $v4');
print('v4 crypto | $v4Crypto');
print('v5 | $v5');
print('v6 | $v6');
print('v6 exact | $v6Exact');
print('v7 | $v7');
print('v7 exact | $v7Exact');
print('v8 | $v8');
print('v8 exact | $v8Exact');
}