feat: use native crypto.randomUUID when available (#600)

bundlewatch.config.json

@@ -5,9 +5,9 @@
     { "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-webpack/dist/v1-size.js", "maxSize": "1.3 kB" },
-    { "path": "./examples/browser-webpack/dist/v3-size.js", "maxSize": "2.5 kB" },
-    { "path": "./examples/browser-webpack/dist/v4-size.js", "maxSize": "1.0 kB" },
-    { "path": "./examples/browser-webpack/dist/v5-size.js", "maxSize": "1.9 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" }
   ]
 }

package.json

@@ -32,6 +32,7 @@
   "module": "./dist/esm-node/index.js",
   "browser": {
     "./dist/md5.js": "./dist/md5-browser.js",
+    "./dist/native.js": "./dist/native-browser.js",
     "./dist/rng.js": "./dist/rng-browser.js",
     "./dist/sha1.js": "./dist/sha1-browser.js",
     "./dist/esm-node/index.js": "./dist/esm-browser/index.js"

src/native-browser.js

@@ -0,0 +1,4 @@
+const randomUUID =
+  typeof crypto !== 'undefined' && crypto.randomUUID && crypto.randomUUID.bind(crypto);
+
+export default { randomUUID };

src/native.js

@@ -0,0 +1,3 @@
+import crypto from 'crypto';
+
+export default { randomUUID: crypto.randomUUID };

src/v4.js

@@ -1,7 +1,12 @@
+import native from './native.js';
 import rng from './rng.js';
 import stringify from './stringify.js';
 
 function v4(options, buf, offset) {
+  if (native.randomUUID && !buf && !options) {
+    return native.randomUUID();
+  }
+
   options = options || {};
 
   const rnds = options.random || (options.rng || rng)();

wdio.conf.js

@@ -34,13 +34,22 @@ const capabilities = [
   },
 
   // Chrome
+  // Chrome 92 introduced native support for crypto.randomUUID
+  {
+    ...commonCapabilities,
+    browserName: 'Chrome',
+    browser_version: '92.0',
+    os: 'Windows',
+    os_version: '10',
+  },
   {
     ...commonCapabilities,
     browserName: 'Chrome',
     browser_version: '81.0',
     os: 'Windows',
     os_version: '10',
   },
+  // Chrome 49 released on 2016-03-02 was the last version supported on Windows XP, Windows Vista, Mac OS X 10.6, 10.7, and 10.8
   {
     ...commonCapabilities,
     browserName: 'Chrome',