1 files changed, 11 insertions, 13 deletions
diff --git a/node_modules/@babel/helper-module-transforms/lib/rewrite-this.js b/node_modules/@babel/helper-module-transforms/lib/rewrite-this.js
index e79d9d1b..b5376524 100644
--- a/node_modules/@babel/helper-module-transforms/lib/rewrite-this.js
+++ b/node_modules/@babel/helper-module-transforms/lib/rewrite-this.js
@@ -4,21 +4,19 @@ Object.defineProperty(exports, "__esModule", {
   value: true
 });
 exports.default = rewriteThis;
-var _helperEnvironmentVisitor = require("@babel/helper-environment-visitor");
 var _core = require("@babel/core");
-const {
-  numericLiteral,
-  unaryExpression
-} = _core.types;
-const rewriteThisVisitor = _core.traverse.visitors.merge([_helperEnvironmentVisitor.default, {
-  ThisExpression(path) {
-    path.replaceWith(unaryExpression("void", numericLiteral(0), true));
-  }
-}]);
+var _traverse = require("@babel/traverse");
+let rewriteThisVisitor;
 function rewriteThis(programPath) {
-  (0, _core.traverse)(programPath.node, Object.assign({}, rewriteThisVisitor, {
-    noScope: true
-  }));
+  if (!rewriteThisVisitor) {
+    rewriteThisVisitor = _traverse.visitors.environmentVisitor({
+      ThisExpression(path) {
+        path.replaceWith(_core.types.unaryExpression("void", _core.types.numericLiteral(0), true));
+      }
+    });
+    rewriteThisVisitor.noScope = true;
+  }
+  (0, _traverse.default)(programPath.node, rewriteThisVisitor);
 }
 
 //# sourceMappingURL=rewrite-this.js.map