From 54b03e66506cfa9e0fa82fef4d3cff44377bded7 Mon Sep 17 00:00:00 2001
From: Andreas Lubbe <git@lubbe.org>
Date: Mon, 12 Dec 2016 20:20:09 +0100
Subject: [PATCH] Do not add --jar if JAR_PATH is empty

---
 lib/node/closure-compiler.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/node/closure-compiler.js b/lib/node/closure-compiler.js
index 379253bd..4f041658 100644
--- a/lib/node/closure-compiler.js
+++ b/lib/node/closure-compiler.js
@@ -36,7 +36,9 @@ var contribPath = path.dirname(compilerPath) + '/contrib';
 function Compiler(args, extraCommandArgs) {
   this.commandArguments = (extraCommandArgs || []).slice();
 
-  this.commandArguments.push('-jar', Compiler.JAR_PATH);
+  if (Compiler.JAR_PATH) {
+    this.commandArguments.push('-jar', Compiler.JAR_PATH);
+  }
 
   if (Array.isArray(args)) {
     this.commandArguments = this.commandArguments.concat(args.slice());