From f1f6c820feeb90165d7b3f3c95c49a3b00e542d3 Mon Sep 17 00:00:00 2001
From: Amjad Masad <amjad.masad@gmail.com>
Date: Tue, 24 Nov 2015 19:12:24 -0800
Subject: [PATCH] Handle new X()()

---
 packages/babel-generator/src/generators/expressions.js        | 4 ++--
 .../test/fixtures/compact/new-expression/actual.js            | 1 +
 .../test/fixtures/compact/new-expression/expected.js          | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/packages/babel-generator/src/generators/expressions.js b/packages/babel-generator/src/generators/expressions.js
index ca0f251d34..0534844d13 100644
--- a/packages/babel-generator/src/generators/expressions.js
+++ b/packages/babel-generator/src/generators/expressions.js
@@ -59,10 +59,10 @@ export function ConditionalExpression(node: Object) {
   this.print(node.alternate, node);
 }
 
-export function NewExpression(node: Object) {
+export function NewExpression(node: Object, parent: Object) {
   this.push("new ");
   this.print(node.callee, node);
-  if (node.arguments.length === 0 && this.format.compact) return;
+  if (node.arguments.length === 0 && this.format.compact && !t.isCallExpression(parent)) return;
 
   this.push("(");
   this.printList(node.arguments, node);
diff --git a/packages/babel-generator/test/fixtures/compact/new-expression/actual.js b/packages/babel-generator/test/fixtures/compact/new-expression/actual.js
index e81ff8d9bf..1957ac85ec 100644
--- a/packages/babel-generator/test/fixtures/compact/new-expression/actual.js
+++ b/packages/babel-generator/test/fixtures/compact/new-expression/actual.js
@@ -1 +1,2 @@
 new X();
+new Y()();
diff --git a/packages/babel-generator/test/fixtures/compact/new-expression/expected.js b/packages/babel-generator/test/fixtures/compact/new-expression/expected.js
index e1ffdf2a25..d50100ac49 100644
--- a/packages/babel-generator/test/fixtures/compact/new-expression/expected.js
+++ b/packages/babel-generator/test/fixtures/compact/new-expression/expected.js
@@ -1 +1 @@
-new X;
+new X;new Y()();