fix: use native uuid generator when possible

twlite · web-flow · commit a279e55519e9 · 2024-10-28T16:24:09.000+05:45
diff --git a/chatgpt.js b/chatgpt.js
@@ -1872,14 +1872,19 @@ const chatgpt = { // eslint-disable-line no-redeclare
     unminify() { chatgpt.code.unminify(); },
 
     uuidv4() {
-        let d = new Date().getTime(); // get current timestamp in ms (to ensure UUID uniqueness)
-        const uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
-            const r = ( // generate random nibble
-                ( d + (window.crypto.getRandomValues(new Uint32Array(1))[0] / (Math.pow(2, 32) - 1))*16)%16 | 0 );
-            d = Math.floor(d/16); // correspond each UUID digit to unique 4-bit chunks of timestamp
-            return ( c == 'x' ? r : (r&0x3|0x8) ).toString(16); // generate random hexadecimal digit
-        });
-        return uuid;
+        try {
+            // use native secure uuid generator when available
+            return crypto.randomUUID();
+        } catch(_e) {
+            let d = new Date().getTime(); // get current timestamp in ms (to ensure UUID uniqueness)
+            const uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
+                const r = ( // generate random nibble
+                    ( d + (window.crypto.getRandomValues(new Uint32Array(1))[0] / (Math.pow(2, 32) - 1))*16)%16 | 0 );
+                d = Math.floor(d/16); // correspond each UUID digit to unique 4-bit chunks of timestamp
+                return ( c == 'x' ? r : (r&0x3|0x8) ).toString(16); // generate random hexadecimal digit
+            });
+            return uuid;
+        }
     },
 
     writeCode() { chatgpt.code.write(); }
