Update item.js

babel · Jun 23, 2020 · 5519138 · 5519138
1 parent 94c1135
commit 5519138
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/packages/babel-core/src/config/item.js b/packages/babel-core/src/config/item.js
@@ -110,8 +110,10 @@ class ConfigItem {
     this._descriptor = descriptor;
     Object.defineProperty(this, "_descriptor", ({ enumerable: false }: any));
 
-    this._isConfigItem = true;
-    Object.defineProperty(this, "_isConfigItem", ({ enumerable: false }: any));
+    Object.defineProperty(this, Symbol.for("@babel/core@7 - ConfigItem"), ({
+      enumerable: false,
+      value: true
+    }: any));
 
     this.value = this._descriptor.value;
     this.options = this._descriptor.options;