Prettier everything up

server/middleware/utils/createMutex.js

@@ -1,16 +1,19 @@
 function createMutex(doWork) {
   const mutex = {}
 
-  return function (key, payload, callback) {
+  return function(key, payload, callback) {
     if (mutex[key]) {
       mutex[key].push(callback)
     } else {
-      mutex[key] = [ function () {
-        delete mutex[key]
-      }, callback ]
+      mutex[key] = [
+        function() {
+          delete mutex[key]
+        },
+        callback
+      ]
 
-      doWork(payload, function (error, value) {
-        mutex[key].forEach(function (callback) {
+      doWork(payload, function(error, value) {
+        mutex[key].forEach(function(callback) {
           callback(error, value)
         })
       })