General syntaxt improvement suggestions

src/processModules.js

@@ -2,41 +2,27 @@ import {handleActions} from 'redux-actions'
 
 export default function processModules(modules) {
   const reducers = modules
-    .filter(module => (
-      typeof module.reducer == 'function' || typeof module.reducer == 'object'
-    ))
-    .map(module => (
-      typeof module.reducer == 'function' ? module.reducer : handleActions(module.reducer)
-    ))
+    .map(module => module.reducer)
+    .filter(reducer => typeof reducer == 'function' || typeof reducer == 'object')
+    .map(reducer => typeof reducer == 'function' ? reducer : handleActions(reducer))
 
   const middlewares = modules
-    .filter(module => (
-      typeof module.middleware == 'function' || typeof module.middleware == 'object'
-    ))
-    .map(module => (
-      typeof module.middleware == 'function' ? module.middleware : handleMiddlewares(module.middleware)
-    ))
+    .map(module => module.middleware)
+    .filter(middleware => typeof middleware == 'function' || typeof middleware == 'object')
+    .map(middleware => typeof middleware == 'function' ? middleware : handleMiddlewares(middleware))
 
   const enhancers = modules
-    .filter(module => (
-      typeof module.enhancer == 'function'
-    ))
     .map(module => module.enhancer)
+    .filter(enhancer => typeof enhancer == 'function')
 
   return {
     reducers,
     middlewares,
-    enhancers
+    enhancers,
   }
 }
 
-export function handleMiddlewares(listeners) {
-  return store => next => action => {
-    // Execute action listeners, if any was set for the current action.
-    if (listeners[action.type]) {
-      return listeners[action.type](store)(next)(action)
-    }
-
-    return next(action)
-  }
-}
+export const handleMiddlewares = (listeners) => store => next => action => (
+  // Execute action listeners, if any was set for the current action.
+  listeners[action.type] ? listeners[action.type](store)(next)(action) : next(action)
+)