feat: v8 support

.gitignore

@@ -1,6 +1,6 @@
-node_modules/
-dist/
-# Browserstack
+*.tgz
 browserstack.err
+dist/
 local.log
-*.tgz
+node_modules/
+vscode/

.local/uuid/v1tov6.js

@@ -0,0 +1 @@
+../../v1tov6.js

.local/uuid/v6.js

@@ -0,0 +1 @@
+../../v6.js

.local/uuid/v6tov1.js

@@ -0,0 +1 @@
+../../v6tov1.js

.prettierignore

@@ -2,4 +2,6 @@
 dist/
 node_modules/
 README.md
-*.sh
+*.sh
+.gitignore
+.prettierignore

README.md

@@ -2,11 +2,12 @@
   -- This file is auto-generated from README_js.md. Changes should be made there.
   -->
 
+
 # uuid [![CI](https://github.com/uuidjs/uuid/workflows/CI/badge.svg)](https://github.com/uuidjs/uuid/actions?query=workflow%3ACI) [![Browser](https://github.com/uuidjs/uuid/workflows/Browser/badge.svg)](https://github.com/uuidjs/uuid/actions?query=workflow%3ABrowser)
 
 For the creation of [RFC9562](https://www.rfc-editor.org/rfc/rfc9562.html) (formally [RFC4122](https://www.rfc-editor.org/rfc/rfc4122.html)) UUIDs
 
-- **Complete** - Support for all RFC9562 UUID versions
+- **Complete** - Support for all RFC9562 (nee RFC4122) UUID versions
 - **Cross-platform** - Support for ...
   - CommonJS, [ECMAScript Modules](#ecmascript-modules) and [CDN builds](#cdn-builds)
   - NodeJS 16+ ([LTS releases](https://github.com/nodejs/Release))
@@ -60,10 +61,14 @@ For timestamp UUIDs, namespace UUIDs, and other options read on ...
 | [`uuid.parse()`](#uuidparsestr) | Convert UUID string to array of bytes | New in `uuid@8.3` |
 | [`uuid.stringify()`](#uuidstringifyarr-offset) | Convert array of bytes to UUID string | New in `uuid@8.3` |
 | [`uuid.v1()`](#uuidv1options-buffer-offset) | Create a version 1 (timestamp) UUID |  |
+| [`uuid.v1ToV6()`](#uuidv1tov6uuid) | Create a version 6 UUID from a version 1 UUID | New in `uuid@10` |
 | [`uuid.v3()`](#uuidv3name-namespace-buffer-offset) | Create a version 3 (namespace w/ MD5) UUID |  |
 | [`uuid.v4()`](#uuidv4options-buffer-offset) | Create a version 4 (random) UUID |  |
 | [`uuid.v5()`](#uuidv5name-namespace-buffer-offset) | Create a version 5 (namespace w/ SHA-1) UUID |  |
-| [`uuid.v7()`](#uuidv7options-buffer-offset) | Create a version 7 (Unix Epoch time-based) UUID | `experimental support` |
+| [`uuid.v6()`](#uuidv6options-buffer-offset) | Create a version 6 (timestamp, reordered) UUID | New in `uuid@10` |
+| [`uuid.v6ToV1()`](#uuidv6tov1uuid) | Create a version 1 UUID from a version 6 UUID | New in `uuid@10` |
+| [`uuid.v7()`](#uuidv7options-buffer-offset) | Create a version 7 (Unix Epoch time-based) UUID | New in `uuid@10` |
+| ~~[`uuid.v8()`](#uuidv8)~~ | "Intentionally left blank" |  |
 | [`uuid.validate()`](#uuidvalidatestr) | Test a string to see if it is a valid UUID | New in `uuid@8.3` |
 | [`uuid.version()`](#uuidversionstr) | Detect RFC version of a UUID | New in `uuid@8.3` |
 
@@ -116,7 +121,7 @@ import { parse as uuidParse } from 'uuid';
 const bytes = uuidParse('6ec0bd7f-11c0-43da-975e-2a8ad9ebae0b');
 
 // Convert to hex strings to show byte order (for documentation purposes)
-[...bytes].map((v) => v.toString(16).padStart(2, '0')); // ⇨ 
+[...bytes].map((v) => v.toString(16).padStart(2, '0')); // ⇨
   // [
   //   '6e', 'c0', 'bd', '7f',
   //   '11', 'c0', '43', 'da',
@@ -191,13 +196,23 @@ Example using `options`:
 ```javascript
 import { v1 as uuidv1 } from 'uuid';
 
-const v1options = {
+const options = {
   node: [0x01, 0x23, 0x45, 0x67, 0x89, 0xab],
   clockseq: 0x1234,
   msecs: new Date('2011-11-01').getTime(),
   nsecs: 5678,
 };
-uuidv1(v1options); // ⇨ '710b962e-041c-11e1-9234-0123456789ab'
+uuidv1(options); // ⇨ '710b962e-041c-11e1-9234-0123456789ab'
+```
+
+### uuid.v1ToV6(uuid)
+
+Convert a UUID from version 1 to version 6
+
+```javascript
+import { v1ToV6 } from 'uuid';
+
+v1ToV6('92f62d9e-22c4-11ef-97e9-325096b39f47'); // ⇨ '1ef22c49-2f62-6d9e-97e9-325096b39f47'
 ```
 
 ### uuid.v3(name, namespace[, buffer[, offset]])
@@ -280,6 +295,42 @@ import { v5 as uuidv5 } from 'uuid';
 uuidv5('https://www.w3.org/', uuidv5.URL); // ⇨ 'c106a26a-21bb-5538-8bf2-57095d1976c1'
 ```
 
+### uuid.v6([options[, buffer[, offset]]])
+
+Create an RFC version 6 (timestamp, reordered) UUID
+
+This method takes the same arguments as uuid.v1().
+
+```javascript
+import { v6 as uuidv6 } from 'uuid';
+
+uuidv6(); // ⇨ '1e940672-c5ea-64c0-8bad-9b1deb4d3b7d'
+```
+
+Example using `options`:
+
+```javascript
+import { v6 as uuidv6 } from 'uuid';
+
+const options = {
+  node: [0x01, 0x23, 0x45, 0x67, 0x89, 0xab],
+  clockseq: 0x1234,
+  msecs: new Date('2011-11-01').getTime(),
+  nsecs: 5678,
+};
+uuidv6(options); // ⇨ '1e1041c7-10b9-662e-9234-0123456789ab'
+```
+
+### uuid.v6ToV1(uuid)
+
+Convert a UUID from version 6 to version 1
+
+```javascript
+import { v6ToV1 } from 'uuid';
+
+v6ToV1('1ef22c49-2f62-6d9e-97e9-325096b39f47'); // ⇨ '92f62d9e-22c4-11ef-97e9-325096b39f47'
+```
+
 ### uuid.v7([options[, buffer[, offset]]])
 
 Create an RFC version 7 (random) UUID
@@ -300,9 +351,17 @@ Example:
 ```javascript
 import { v7 as uuidv7 } from 'uuid';
 
-uuidv7(); // ⇨ '01695553-c90c-7aad-9bdd-330d7b3dcb6d'
+uuidv7(); // ⇨ '01695553-c90c-722d-9b5d-b38dfbbd4bed'
 ```
 
+### ~~uuid.v8()~~
+
+**_"Intentionally left blank"_**
+
+<!-- prettier-ignore -->
+> [!NOTE]
+> Version 8 (experimental) UUIDs are "[for experimental or vendor-specific use cases](https://www.rfc-editor.org/rfc/rfc9562.html#name-uuid-version-8)".  The RFC does not define a creation algorithm for them, which is why this package does not offer a `v8()` method.  The `validate()` and `version()` methods do work with such UUIDs, however.
+
 ### uuid.validate(str)
 
 Test a string to see if it is a valid UUID
@@ -520,5 +579,6 @@ const uuid = require('uuid'); // <== REMOVED!
 
 This usage pattern was already discouraged in `uuid@3` and has been removed in `uuid@7`.
 
-----
-Markdown generated from [README_js.md](README_js.md) by [![RunMD Logo](https://i.imgur.com/h0FVyzU.png)](https://github.com/broofa/runmd)
+---
+
+Markdown generated from [README_js.md](README_js.md) by <a href="https://github.com/broofa/runmd"><image height="12px" src="https://camo.githubusercontent.com/5c7c603cd1e6a43370b0a5063d457e0dabb74cf317adc7baba183acb686ee8d0/687474703a2f2f692e696d6775722e636f6d2f634a4b6f3662552e706e67" /></a>

README_js.md

@@ -21,7 +21,7 @@ require('crypto').randomUUID = undefined;
 
 For the creation of [RFC9562](https://www.rfc-editor.org/rfc/rfc9562.html) (formally [RFC4122](https://www.rfc-editor.org/rfc/rfc4122.html)) UUIDs
 
-- **Complete** - Support for RFC9562 version 1, 3, 4, 5, and 7 UUIDs
+- **Complete** - Support for all RFC9562 (nee RFC4122) UUID versions
 - **Cross-platform** - Support for ...
   - CommonJS, [ECMAScript Modules](#ecmascript-modules) and [CDN builds](#cdn-builds)
   - NodeJS 16+ ([LTS releases](https://github.com/nodejs/Release))
@@ -75,10 +75,14 @@ For timestamp UUIDs, namespace UUIDs, and other options read on ...
 | [`uuid.parse()`](#uuidparsestr) | Convert UUID string to array of bytes | New in `uuid@8.3` |
 | [`uuid.stringify()`](#uuidstringifyarr-offset) | Convert array of bytes to UUID string | New in `uuid@8.3` |
 | [`uuid.v1()`](#uuidv1options-buffer-offset) | Create a version 1 (timestamp) UUID |  |
+| [`uuid.v1ToV6()`](#uuidv1tov6uuid) | Create a version 6 UUID from a version 1 UUID | New in `uuid@10` |
 | [`uuid.v3()`](#uuidv3name-namespace-buffer-offset) | Create a version 3 (namespace w/ MD5) UUID |  |
 | [`uuid.v4()`](#uuidv4options-buffer-offset) | Create a version 4 (random) UUID |  |
 | [`uuid.v5()`](#uuidv5name-namespace-buffer-offset) | Create a version 5 (namespace w/ SHA-1) UUID |  |
-| [`uuid.v7()`](#uuidv7options-buffer-offset) | Create a version 7 (Unix Epoch time-based) UUID | `experimental support` |
+| [`uuid.v6()`](#uuidv6options-buffer-offset) | Create a version 6 (timestamp, reordered) UUID | New in `uuid@10` |
+| [`uuid.v6ToV1()`](#uuidv6tov1uuid) | Create a version 1 UUID from a version 6 UUID | New in `uuid@10` |
+| [`uuid.v7()`](#uuidv7options-buffer-offset) | Create a version 7 (Unix Epoch time-based) UUID | New in `uuid@10` |
+| ~~[`uuid.v8()`](#uuidv8)~~ | "Intentionally left blank" |  |
 | [`uuid.validate()`](#uuidvalidatestr) | Test a string to see if it is a valid UUID | New in `uuid@8.3` |
 | [`uuid.version()`](#uuidversionstr) | Detect RFC version of a UUID | New in `uuid@8.3` |
 
@@ -200,13 +204,23 @@ Example using `options`:
 ```javascript --run
 import { v1 as uuidv1 } from 'uuid';
 
-const v1options = {
+const options = {
   node: [0x01, 0x23, 0x45, 0x67, 0x89, 0xab],
   clockseq: 0x1234,
   msecs: new Date('2011-11-01').getTime(),
   nsecs: 5678,
 };
-uuidv1(v1options); // RESULT
+uuidv1(options); // RESULT
+```
+
+### uuid.v1ToV6(uuid)
+
+Convert a UUID from version 1 to version 6
+
+```javascript --run
+import { v1ToV6 } from 'uuid';
+
+v1ToV6('92f62d9e-22c4-11ef-97e9-325096b39f47'); // RESULT
 ```
 
 ### uuid.v3(name, namespace[, buffer[, offset]])
@@ -289,6 +303,42 @@ import { v5 as uuidv5 } from 'uuid';
 uuidv5('https://www.w3.org/', uuidv5.URL); // RESULT
 ```
 
+### uuid.v6([options[, buffer[, offset]]])
+
+Create an RFC version 6 (timestamp, reordered) UUID
+
+This method takes the same arguments as uuid.v1().
+
+```javascript --run
+import { v6 as uuidv6 } from 'uuid';
+
+uuidv6(); // RESULT
+```
+
+Example using `options`:
+
+```javascript --run
+import { v6 as uuidv6 } from 'uuid';
+
+const options = {
+  node: [0x01, 0x23, 0x45, 0x67, 0x89, 0xab],
+  clockseq: 0x1234,
+  msecs: new Date('2011-11-01').getTime(),
+  nsecs: 5678,
+};
+uuidv6(options); // RESULT
+```
+
+### uuid.v6ToV1(uuid)
+
+Convert a UUID from version 6 to version 1
+
+```javascript --run
+import { v6ToV1 } from 'uuid';
+
+v6ToV1('1ef22c49-2f62-6d9e-97e9-325096b39f47'); // RESULT
+```
+
 ### uuid.v7([options[, buffer[, offset]]])
 
 Create an RFC version 7 (random) UUID
@@ -312,6 +362,14 @@ import { v7 as uuidv7 } from 'uuid';
 uuidv7(); // RESULT
 ```
 
+### ~~uuid.v8()~~
+
+**_"Intentionally left blank"_**
+
+<!-- prettier-ignore -->
+> [!NOTE]
+> Version 8 (experimental) UUIDs are "[for experimental or vendor-specific use cases](https://www.rfc-editor.org/rfc/rfc9562.html#name-uuid-version-8)".  The RFC does not define a creation algorithm for them, which is why this package does not offer a `v8()` method.  The `validate()` and `version()` methods do work with such UUIDs, however.
+
 ### uuid.validate(str)
 
 Test a string to see if it is a valid UUID

bundlewatch.config.json

@@ -4,40 +4,17 @@
     "trackBranches": ["main"]
   },
   "files": [
-    {
-      "path": "./examples/browser-rollup/dist/v1-size.js",
-      "maxSize": "1.0 kB"
-    },
-    {
-      "path": "./examples/browser-rollup/dist/v3-size.js",
-      "maxSize": "2.1 kB"
-    },
-    {
-      "path": "./examples/browser-rollup/dist/v4-size.js",
-      "maxSize": "0.7 kB"
-    },
-    {
-      "path": "./examples/browser-rollup/dist/v5-size.js",
-      "maxSize": "1.5 kB"
-    },
+    { "path": "./examples/browser-rollup/dist/v1-size.js", "maxSize": "1.0 kB" },
+    { "path": "./examples/browser-rollup/dist/v3-size.js", "maxSize": "2.1 kB" },
+    { "path": "./examples/browser-rollup/dist/v4-size.js", "maxSize": "0.7 kB" },
+    { "path": "./examples/browser-rollup/dist/v5-size.js", "maxSize": "1.5 kB" },
+    { "path": "./examples/browser-rollup/dist/v6-size.js", "maxSize": "1.6 kB" },
     { "path": "./examples/browser-rollup/dist/v7-size.js", "maxSize": "0.8 kB" },
-
-    {
-      "path": "./examples/browser-webpack/dist/v1-size.js",
-      "maxSize": "1.0 kB"
-    },
-    {
-      "path": "./examples/browser-webpack/dist/v3-size.js",
-      "maxSize": "2.1 kB"
-    },
-    {
-      "path": "./examples/browser-webpack/dist/v4-size.js",
-      "maxSize": "0.7 kB"
-    },
-    {
-      "path": "./examples/browser-webpack/dist/v5-size.js",
-      "maxSize": "1.5 kB"
-    },
+    { "path": "./examples/browser-webpack/dist/v1-size.js", "maxSize": "1.0 kB" },
+    { "path": "./examples/browser-webpack/dist/v3-size.js", "maxSize": "2.1 kB" },
+    { "path": "./examples/browser-webpack/dist/v4-size.js", "maxSize": "0.7 kB" },
+    { "path": "./examples/browser-webpack/dist/v5-size.js", "maxSize": "1.5 kB" },
+    { "path": "./examples/browser-webpack/dist/v6-size.js", "maxSize": "1.6 kB" },
     { "path": "./examples/browser-webpack/dist/v7-size.js", "maxSize": "0.8 kB" }
   ]
 }

eslint.config.cjs

@@ -21,8 +21,11 @@ module.exports = [
       },
       parser: babelParser,
     },
+  },
+  {
     rules: {
       'no-var': ['error'],
+      curly: ['error', 'all'],
     },
   },
   {

examples/benchmark/benchmark.js

@@ -66,6 +66,9 @@ export default function benchmark(uuid, Benchmark) {
       .add('uuid.v5()', function () {
         uuid.v5('hello.example.com', uuid.v5.DNS);
       })
+      .add('uuid.v6()', function () {
+        uuid.v6();
+      })
       .add('uuid.v7()', function () {
         uuid.v7();
       })
@@ -82,10 +85,38 @@ export default function benchmark(uuid, Benchmark) {
       })
       .on('complete', function () {
         console.log('Fastest is ' + this.filter('fastest').map('name'));
+        console.log('---\n');
+      })
+      .run();
+  }
+
+  function testV6Conversion() {
+    const suite = new Benchmark.Suite({
+      onError(event) {
+        console.error(event.target.error);
+      },
+    });
+
+    const V1_ID = 'f1207660-21d2-11ef-8c4f-419efbd44d48';
+    const V6_ID = '1ef21d2f-1207-6660-8c4f-419efbd44d48';
+
+    suite
+      .add('uuid.v1ToV6()', function () {
+        uuid.v1ToV6(V1_ID);
+      })
+      .add('uuid.v1ToV6() w/ randomization', function () {
+        uuid.v1ToV6(V1_ID, true);
+      })
+      .add('uuid.v6ToV1()', function () {
+        uuid.v6ToV1(V6_ID);
+      })
+      .on('cycle', function (event) {
+        console.log(event.target.toString());
       })
       .run();
   }
 
   testParseAndStringify();
   testGeneration();
+  testV6Conversion();
 }