From 199c068909733854d3df614f6ca046b3e75e62cd Mon Sep 17 00:00:00 2001
From: Vladimir Grinenko <i@tadatuta.com>
Date: Sat, 19 Dec 2015 02:47:53 +0300
Subject: [PATCH] index.js: More efficient usage of cache

---
 index.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index c4d8bd6c..55e5eeaa 100644
--- a/index.js
+++ b/index.js
@@ -3,13 +3,15 @@ var Compiler = require('./lib/compiler').Compiler;
 var _cache = {};
 
 function getEngine(engineName) {
+  if (_cache[engineName]) return _cache[engineName];
+
   var runtime = require('./lib/' + engineName);
   var pathToBundle = require.resolve('./lib/' + engineName + '/bundle');
   var sourceBundle = fs.readFileSync(pathToBundle, 'utf8');
 
   runtime.source = sourceBundle;
 
-  return _cache[engineName] || (_cache[engineName] = new Compiler(runtime));
+  return _cache[engineName] = new Compiler(runtime);
 }
 
 module.exports = {