From 8b194b754488332798f7cd87c793c971e0b88aec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mateusz=20Burzy=C5=84ski?= <mateuszburzynski@gmail.com>
Date: Thu, 2 Apr 2020 17:05:33 +0200
Subject: [PATCH] Simplify scope.hasReferences implementation

---
 packages/babel-traverse/src/scope/index.js | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/packages/babel-traverse/src/scope/index.js b/packages/babel-traverse/src/scope/index.js
index c4d8a707541c..940c9b023e87 100644
--- a/packages/babel-traverse/src/scope/index.js
+++ b/packages/babel-traverse/src/scope/index.js
@@ -662,13 +662,7 @@ export default class Scope {
   }
 
   hasReference(name: string): boolean {
-    let scope = this;
-
-    do {
-      if (scope.references[name]) return true;
-    } while ((scope = scope.parent));
-
-    return false;
+    return !!this.getProgramParent().references[name];
   }
 
   isPure(node, constantsOnly?: boolean) {