Remove extra createShallowEqualSelector file since it's not adding much value

Author: jimbolla

src/components/connect.js

@@ -3,7 +3,7 @@ import { bindActionCreators } from 'redux'
 import { createSelector, createSelectorCreator, defaultMemoize } from 'reselect'
 
 import connectAdvanced from './connectAdvanced'
-import createShallowEqualSelector from '../utils/createShallowEqualSelector'
+import shallowEqual from '../utils/shallowEqual'
 import warning from '../utils/warning'
 
 const defaultMergeProps = (stateProps, dispatchProps, ownProps) => ({
@@ -92,9 +92,12 @@ export default function connect(
   }
 
   function selectorFactory({ displayName }) {
-    const ownPropsSelector = createShallowEqualSelector((_, props) => props, props => props)
+    const ownPropsSelector = createSelectorCreator(defaultMemoize, shallowEqual)(
+      (_, props) => props,
+      props => props
+    )
 
-    return createShallowEqualSelector(
+    return createSelectorCreator(defaultMemoize, shallowEqual)(
       verify(displayName, 'mapStateToProps', getStatePropsSelector(ownPropsSelector)),
       verify(displayName, 'mapDispatchToProps', getDispatchPropsSelector(ownPropsSelector)),
       ownPropsSelector,

src/components/connectAdvanced.js

@@ -1,14 +1,15 @@
 import hoistStatics from 'hoist-non-react-statics'
 import invariant from 'invariant'
 import { Component, createElement } from 'react'
+import { createSelectorCreator, defaultMemoize } from 'reselect'
 
-import createShallowEqualSelector from '../utils/createShallowEqualSelector'
+import shallowEqual from '../utils/shallowEqual'
 import storeShape from '../utils/storeShape'
 
 function buildSelector({ displayName, store, selectorFactory, shouldUseState }) {
   // wrap the source selector in a shallow equals because props objects with
   // same properties are symantically equal to React... no need to re-render.
-  const selector = createShallowEqualSelector(
+  const selector = createSelectorCreator(defaultMemoize, shallowEqual)(
     selectorFactory({ displayName, dispatch: store.dispatch }),
     result => result
   )

src/index.js

@@ -1,11 +1,11 @@
 import Provider from './components/Provider'
 import connect from './components/connect'
 import connectAdvanced from './components/connectAdvanced'
-import createShallowEqualSelector from './utils/createShallowEqualSelector'
+import shallowEqual from './utils/shallowEqual'
 
 export {
   Provider,
   connect,
   connectAdvanced,
-  createShallowEqualSelector
+  shallowEqual
 }