init commit

1 files changed, 22 insertions, 0 deletions

diff --git a/shared/utils/src/uuid.ts b/shared/utils/src/uuid.ts
new file mode 100644
index 0000000..0afa5ee
--- /dev/null
+++ b/shared/utils/src/uuid.ts
@@ -0,0 +1,22 @@
+/**
+ * Generate a variant 1 UUIDv4.
+ *
+ * @return the UUID
+ */
+export function generateUuid(): string {
+    return 'xxxxxxxx-xxxx-4xxx-Vxxx-xxxxxxxxxxxx'.replace(
+        /[xV]/g,
+        (placeholder) => {
+            let nibble = (Math.random() * 16) | 0;
+
+            if (placeholder === 'V') {
+                // Per RFC, the two MSB of byte 8 must be 0b10 (0x8).
+                // 0x3 (0b11) masks out the bottom two bits.
+                // See: https://tools.ietf.org/html/rfc4122.html#section-4.1.1
+                nibble = (nibble & 0x3) | 0x8;
+            }
+
+            return nibble.toString(16);
+        },
+    );
+}