From 5e1c7e9bd4d13ec053321fce279f4795437c7cb0 Mon Sep 17 00:00:00 2001
From: Rich-Harris <richard.a.harris@gmail.com>
Date: Sun, 4 Oct 2015 14:03:31 -0400
Subject: [PATCH] fix

---
 src/Module.js | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/Module.js b/src/Module.js
index 18670b2..b540c22 100644
--- a/src/Module.js
+++ b/src/Module.js
@@ -539,12 +539,14 @@ export default class Module {
 					const { start, end } = reference;
 					const name = declaration.render( es6 );
 
-					if ( reference.name !== name ) {
-						if ( reference.isShorthandProperty ) {
-							magicString.insert( end, `: ${name}` );
-						} else {
-							magicString.overwrite( start, end, name, true );
-						}
+					// the second part of this check is necessary because of
+					// namespace optimisation – name of `foo.bar` could be `bar`
+					if ( reference.name === name && name.length === reference.end - reference.start ) return;
+
+					if ( reference.isShorthandProperty ) {
+						magicString.insert( end, `: ${name}` );
+					} else {
+						magicString.overwrite( start, end, name, true );
 					}
 				}
 			});