Don't include standard utilities in redux

package.json

@@ -81,5 +81,11 @@
         "*.js"
       ]
     }
-  ]
+  ],
+  "dependencies": {
+    "@f/compose": "^0.1.2",
+    "@f/is-object": "^1.1.2",
+    "@f/map-obj": "^1.2.2",
+    "@f/pick": "^1.1.2"
+  }
 }

src/createStore.js

@@ -1,4 +1,4 @@
-import isPlainObject from './utils/isPlainObject'
+import isPlainObject from '@f/is-object'
 
 /**
  * These are private action types reserved by Redux.

src/index.js

@@ -2,7 +2,7 @@ import createStore from './createStore'
 import combineReducers from './utils/combineReducers'
 import bindActionCreators from './utils/bindActionCreators'
 import applyMiddleware from './utils/applyMiddleware'
-import compose from './utils/compose'
+import compose from '@f/compose'
 
 export {
   createStore,

src/utils/applyMiddleware.js

@@ -1,4 +1,4 @@
-import compose from './compose'
+import compose from '@f/compose'
 
 /**
  * Creates a store enhancer that applies middleware to the dispatch method

src/utils/bindActionCreators.js

@@ -1,4 +1,4 @@
-import mapValues from './mapValues'
+import mapValues from '@f/map-obj'
 
 function bindActionCreator(actionCreator, dispatch) {
   return (...args) => dispatch(actionCreator(...args))
@@ -37,7 +37,7 @@ export default function bindActionCreators(actionCreators, dispatch) {
     )
   }
 
-  return mapValues(actionCreators, actionCreator =>
+  return mapValues(actionCreator =>
     bindActionCreator(actionCreator, dispatch)
-  )
+  , actionCreators)
 }

src/utils/combineReducers.js

@@ -1,7 +1,7 @@
 import { ActionTypes } from '../createStore'
-import isPlainObject from './isPlainObject'
-import mapValues from './mapValues'
-import pick from './pick'
+import isPlainObject from '@f/is-object'
+import mapValues from '@f/map-obj'
+import pick from '@f/pick'
 
 /* eslint-disable no-console */
 
@@ -95,7 +95,7 @@ function assertReducerSanity(reducers) {
  */
 
 export default function combineReducers(reducers) {
-  var finalReducers = pick(reducers, (val) => typeof val === 'function')
+  var finalReducers = pick((val) => typeof val === 'function', reducers)
   var sanityError
 
   try {
@@ -117,7 +117,7 @@ export default function combineReducers(reducers) {
     }
 
     var hasChanged = false
-    var finalState = mapValues(finalReducers, (reducer, key) => {
+    var finalState = mapValues((reducer, key) => {
       var previousStateForKey = state[key]
       var nextStateForKey = reducer(previousStateForKey, action)
       if (typeof nextStateForKey === 'undefined') {
@@ -126,7 +126,7 @@ export default function combineReducers(reducers) {
       }
       hasChanged = hasChanged || nextStateForKey !== previousStateForKey
       return nextStateForKey
-    })
+    }, finalReducers)
 
     return hasChanged ? finalState : state
   }

test/utils/isPlainObject.spec.js

@@ -1,5 +1,5 @@
 import expect from 'expect'
-import isPlainObject from '../../src/utils/isPlainObject'
+import isPlainObject from '@f/is-object'
 import vm from 'vm'
 
 describe('isPlainObject', () => {

test/utils/mapValues.spec.js

@@ -1,13 +1,14 @@
 import expect from 'expect'
-import mapValues from '../../src/utils/mapValues'
+import mapValues from '@f/map-obj'
 
 describe('mapValues', () => {
   it('returns object with mapped values', () => {
     const test = {
       a: 'c',
       b: 'd'
     }
-    expect(mapValues(test, (val, key) => val + key)).toEqual({
+
+    expect(mapValues((val, key) => val + key, test)).toEqual({
       a: 'ca',
       b: 'db'
     })

test/utils/pick.spec.js

@@ -1,5 +1,5 @@
 import expect from 'expect'
-import pick from '../../src/utils/pick'
+import pick from '@f/pick'
 
 describe('pick', () => {
   it('returns object with picked values', () => {
@@ -8,7 +8,7 @@ describe('pick', () => {
       age: 20
     }
     expect(
-      pick(test, x => typeof x === 'string')
+      pick(x => typeof x === 'string', test)
     ).toEqual({
       name: 'lily'
     })