From 708d2ecbbe94554604b6ee27671d17328f30d0f0 Mon Sep 17 00:00:00 2001
From: Dan Abramov <dan.abramov@gmail.com>
Date: Wed, 20 Apr 2016 01:00:53 +0100
Subject: [PATCH] Style tweaks

---
 src/createStore.js | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/src/createStore.js b/src/createStore.js
index 806aeba922..0c59bb0689 100644
--- a/src/createStore.js
+++ b/src/createStore.js
@@ -218,24 +218,20 @@ export default function createStore(reducer, initialState, enhancer) {
        */
       subscribe(observer) {
         if (typeof observer !== 'object') {
-          throw new TypeError('Expected observer to be an object')
+          throw new TypeError('Expected the observer to be an object.')
         }
 
-        var observeState = () => {
+        function observeState() {
           if (observer.next) {
             observer.next(getState())
           }
         }
 
-        // send initial state to observer
         observeState()
-
-        // send subsequent states to observer
         var unsubscribe = outerSubscribe(observeState)
-
-        // return an unsubscribable
         return { unsubscribe }
       },
+
       [$$observable]() {
         return this
       }