feat(getRandomUUID): Returns something even without crypto API

cozy · Oct 2, 2023 · be65396 · be65396
1 parent 63b3b1a
commit be65396
Showing 1 changed file with 19 additions and 2 deletions.
diff --git a/react/helpers/getRandomUUID.js b/react/helpers/getRandomUUID.js
@@ -1,11 +1,28 @@
 /**
- *  Returns a random UUID
+ * Returns a random UUID without using window.crypto API
+ * @returns {string} a random UUID
+ */
+const createUUID = () => {
+  const func = c => {
+    var r = (dt + Math.random() * 16) % 16 | 0
+    dt = Math.floor(dt / 16)
+    return (c == 'x' ? r : (r & 0x3) | 0x8).toString(16)
+  }
+
+  var dt = new Date().getTime()
+  var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, func)
+
+  return uuid
+}
+
+/**
+ * Returns a random UUID
  * @returns {string} a random UUID
  */
 export const getRandomUUID = () => {
   if (process.env.NODE_ENV === 'test') {
     return 'random-uuid-for-jest'
   }
 
-  return window?.crypto?.randomUUID?.()
+  return window?.crypto?.randomUUID?.() || createUUID()
 }