Keep track of checked values

vercel · Sep 12, 2020 · ae7cc20 · ae7cc20
1 parent 2eac3de
commit ae7cc20
Showing 1 changed file with 8 additions and 3 deletions.
diff --git a/packages/next/lib/is-serializable-props.ts b/packages/next/lib/is-serializable-props.ts
@@ -98,11 +98,16 @@ export function isSerializableProps(
     if (Array.isArray(value)) {
       visit(refs, value, path)
 
+      const seen = new Set<any>()
       const newRefs = new Map(refs)
       if (
-        [...new Set(value)].every((nestedValue, index) =>
-          isSerializable(newRefs, nestedValue, `${path}[${index}]`)
-        )
+        value.every((nestedValue, index) => {
+          if (seen.has(nestedValue)) {
+            return true
+          }
+          seen.add(nestedValue)
+          return isSerializable(newRefs, nestedValue, `${path}[${index}]`)
+        })
       ) {
         return true
       }