check isNaN in isNumber

AdguardTeam · Oct 6, 2022 · 214f4b8 · 214f4b8
1 parent 47c5f51
commit 214f4b8
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/common/utils/numbers.ts b/src/common/utils/numbers.ts
@@ -3,5 +3,6 @@
  * @param arg
  */
 export const isNumber = <T>(arg: T): boolean => {
-    return typeof arg === 'number';
+    return typeof arg === 'number'
+        && !Number.isNaN(arg);
 };