index.js: More efficient usage of cache

bem · Dec 18, 2015 · 199c068 · 199c068
1 parent 30840ae
commit 199c068
Showing 1 changed file with 3 additions and 1 deletion.
diff --git 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 = {