Remove useless anonymous functions of files

1 files changed, 17 insertions, 19 deletions

diff --git a/middlewares/cache.js b/middlewares/cache.js
index 782165155..0d3da0075 100644
--- a/middlewares/cache.js
+++ b/middlewares/cache.js
@@ -1,25 +1,23 @@
-;(function () {
-  'use strict'
+'use strict'
 
-  var cacheMiddleware = {
-    cache: cache
-  }
-
-  function cache (cache) {
-    return function (req, res, next) {
-      // If we want explicitly a cache
-      // Or if we don't specify if we want a cache or no and we are in production
-      if (cache === true || (cache !== false && process.env.NODE_ENV === 'production')) {
-        res.setHeader('Cache-Control', 'public')
-      } else {
-        res.setHeader('Cache-Control', 'no-cache, no-store, max-age=0, must-revalidate')
-      }
+var cacheMiddleware = {
+  cache: cache
+}
 
-      next()
+function cache (cache) {
+  return function (req, res, next) {
+    // If we want explicitly a cache
+    // Or if we don't specify if we want a cache or no and we are in production
+    if (cache === true || (cache !== false && process.env.NODE_ENV === 'production')) {
+      res.setHeader('Cache-Control', 'public')
+    } else {
+      res.setHeader('Cache-Control', 'no-cache, no-store, max-age=0, must-revalidate')
     }
+
+    next()
   }
+}
 
-  // ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
 
-  module.exports = cacheMiddleware
-})()
+module.exports = cacheMiddleware