Fine tuned babel config + added first jest test to test redux store c…

…reation.

.babelrc

@@ -1,9 +1,18 @@
 {
-  presets: [ "env" ],
-
-  plugins: [
-    [ "module-resolver", {
-      root: [ "src" ]
-    }]
+  "presets": [
+    [
+      "env",
+      {
+        "targets": {
+          "node": "6",
+          "browsers": "last 2 versions"
+        },
+        "useBuiltIns": true
+      }
+    ]
+  ],
+  "plugins": [
+    [ "module-resolver", { "root": [ "src" ] }],
+    [ "transform-object-rest-spread", { "useBuiltIns": true }]
   ]
 }

src/api/common/State.js

@@ -84,7 +84,9 @@ export function createRootReducer(reducers) {
  *
  *
  */
-export function createReduxStore({ reducers = {}, middlewares = [], enhancers = [], initialState, apolloClient }) {
+export function createReduxStore(config = {}) {
+  const { reducers = {}, middlewares = [], enhancers = [], initialState, apolloClient } = config
+
   const rootReducer = apolloClient ?
     createRootReducer({ ...reducers, apollo: apolloClient.reducer() }) :
     createRootReducer(reducers)

src/api/common/State.test.js

@@ -0,0 +1,24 @@
+import { createReduxStore } from "./State"
+
+test("Create Redux Store - Basic", () => {
+  const reducers = {}
+  const middlewares = []
+  const enhancers = []
+
+  expect(createReduxStore({ reducers, middlewares, enhancers })).toBeDefined()
+})
+
+test("Create Redux Store - No Reducers", () => {
+  const middlewares = []
+  const enhancers = []
+
+  expect(createReduxStore({ middlewares, enhancers })).toBeDefined()
+})
+
+test("Create Redux Store - Empty Param", () => {
+  expect(createReduxStore({ })).toBeDefined()
+})
+
+test("Create Redux Store - No Params", () => {
+  expect(createReduxStore()).toBeDefined()
+})