wip (#3645)

mobxjs · Mar 5, 2023 · 7acaf30 · 7acaf30
1 parent cd18db9
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diff --git a/.changeset/grumpy-seals-impress.md b/.changeset/grumpy-seals-impress.md
@@ -0,0 +1,5 @@
+---
+"mobx-react-lite": patch
+---
+
+fix FinalizationRegistry support check #3643
diff --git a/packages/mobx-react-lite/src/utils/UniversalFinalizationRegistry.ts b/packages/mobx-react-lite/src/utils/UniversalFinalizationRegistry.ts
@@ -59,4 +59,7 @@ export class TimerBasedFinalizationRegistry<T> implements FinalizationRegistryTy
     }
 }
 
-export const UniversalFinalizationRegistry = FinalizationRegistry ?? TimerBasedFinalizationRegistry
+export const UniversalFinalizationRegistry =
+    typeof FinalizationRegistry !== "undefined"
+        ? FinalizationRegistry
+        : TimerBasedFinalizationRegistry