From 20fa6cd8f466196c7da9d44c4b85d28add962a28 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Fri, 7 Aug 2015 19:11:54 +0100
Subject: [PATCH] check for ending dot before pushing on another when trying to
 fix integer member expressions - fixes #2177

---
 packages/babel/src/generation/generators/expressions.js        | 2 +-
 .../test/fixtures/generation/types/MemberExpression/actual.js  | 3 +++
 .../fixtures/generation/types/MemberExpression/expected.js     | 3 +++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/babel/src/generation/generators/expressions.js b/packages/babel/src/generation/generators/expressions.js
index e0d07fa4a6..8d380dc507 100644
--- a/packages/babel/src/generation/generators/expressions.js
+++ b/packages/babel/src/generation/generators/expressions.js
@@ -280,7 +280,7 @@ export function MemberExpression(node, print) {
   } else {
     if (t.isLiteral(node.object)) {
       var val = this._Literal(node.object);
-      if (isInteger(+val) && !SCIENTIFIC_NOTATION.test(val)) {
+      if (isInteger(+val) && !SCIENTIFIC_NOTATION.test(val) && !this.endsWith(".")) {
         this.push(".");
       }
     }
diff --git a/packages/babel/test/fixtures/generation/types/MemberExpression/actual.js b/packages/babel/test/fixtures/generation/types/MemberExpression/actual.js
index 6dd85f4b19..b1b488aa12 100644
--- a/packages/babel/test/fixtures/generation/types/MemberExpression/actual.js
+++ b/packages/babel/test/fixtures/generation/types/MemberExpression/actual.js
@@ -6,3 +6,6 @@ foo.bar["foo"];
 
 foo["foo"]["bar"];
 foo[test()][bar()];
+
+0..toString();
+0.5.toString();
diff --git a/packages/babel/test/fixtures/generation/types/MemberExpression/expected.js b/packages/babel/test/fixtures/generation/types/MemberExpression/expected.js
index 6dd85f4b19..b1b488aa12 100644
--- a/packages/babel/test/fixtures/generation/types/MemberExpression/expected.js
+++ b/packages/babel/test/fixtures/generation/types/MemberExpression/expected.js
@@ -6,3 +6,6 @@ foo.bar["foo"];
 
 foo["foo"]["bar"];
 foo[test()][bar()];
+
+0..toString();
+0.5.toString();