Actually fix UUID, and separate the NodeJS version from the Browser version

2017-12-29 09:47:10 +02:00
parent 7c51d62f41
commit 563680495c
3 changed files with 21 additions and 2 deletions
--- a/snippets/UUIDGeneratorBrowser.md
+++ b/snippets/UUIDGeneratorBrowser.md
@ -0,0 +1,16 @@
+### UUIDGenerator
+
+Generates a UUID in a browser.
+
+Use `crypto` API to generate a UUID, compliant with [RFC4122](https://www.ietf.org/rfc/rfc4122.txt) version 4.
+
+```js
+const UUIDGenerator = () =>
+  ([1e7] + -1e3 + -4e3 + -8e3 + -1e11).replace(/[018]/g, c =>
+    (c ^ (crypto.getRandomValues(new Uint8Array(1))[0] & (15 >> (c / 4)))).toString(16)
+  );
+```
+
+```js
+UUIDGenerator(); // '7982fcfe-5721-4632-bede-6000885be57d'
+```