fix(hooks): add null check to data before further deserialization (#1822)

Author: ymc9

packages/plugins/swr/src/runtime/index.ts

@@ -420,7 +420,7 @@ function marshal(value: unknown) {
 
 function unmarshal(value: string) {
     const parsed = JSON.parse(value);
-    if (parsed.data && parsed.meta?.serialization) {
+    if (typeof parsed === 'object' && parsed?.data && parsed?.meta?.serialization) {
         const deserializedData = deserialize(parsed.data, parsed.meta.serialization);
         return { ...parsed, data: deserializedData };
     } else {

packages/plugins/tanstack-query/src/runtime/common.ts

@@ -213,7 +213,7 @@ export function marshal(value: unknown) {
 
 export function unmarshal(value: string) {
     const parsed = JSON.parse(value);
-    if (parsed.data && parsed.meta?.serialization) {
+    if (typeof parsed === 'object' && parsed?.data && parsed?.meta?.serialization) {
         const deserializedData = deserialize(parsed.data, parsed.meta.serialization);
         return { ...parsed, data: deserializedData };
     } else {