[devtools] Fix can't expand in some scenario

facebook · Jan 2, 2021 · 51ce7c0 · 51ce7c0
1 parent 50393dc
commit 51ce7c0
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/packages/react-devtools-shared/src/hydration.js b/packages/react-devtools-shared/src/hydration.js
@@ -383,7 +383,9 @@ export function hydrate(
 
     const value = parent[last];
 
-    if (value.type === 'infinity') {
+    if (!value) {
+      return;
+    } else if (value.type === 'infinity') {
       parent[last] = Infinity;
     } else if (value.type === 'nan') {
       parent[last] = NaN;

diff --git a/packages/react-devtools-shared/src/utils.js b/packages/react-devtools-shared/src/utils.js
@@ -87,7 +87,7 @@ export function getAllEnumerableKeys(
     });
     current = Object.getPrototypeOf(current);
   }
-  return keys;
+  return [...new Set(keys)];
 }
 
 export function getDisplayName(