From a4659fd239c0aac273787e197c4d400d3a6fd59d Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Fri, 6 Mar 2015 23:19:26 +1100
Subject: [PATCH] add reference checks for module specifiers - fixes #956

---
 src/babel/types/index.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/babel/types/index.js b/src/babel/types/index.js
index cfa4dea0e5..b29e417286 100644
--- a/src/babel/types/index.js
+++ b/src/babel/types/index.js
@@ -295,6 +295,16 @@ t.isReferenced = function (node, parent) {
     return parent.id !== node;
   }
 
+  // no: export { foo as NODE };
+  if (t.isExportSpecifier(parent, { name: node })) {
+    return false;
+  }
+
+  // no: import { NODE as foo } from "foo";
+  if (t.isImportSpecifier(parent, { id: node })) {
+    return false;
+  }
+
   // no: class NODE {}
   if (t.isClass(parent)) {
     return parent.id !== node;