patch export error

src/reducers/stateReducer.epochs.test.js

@@ -34,4 +34,19 @@ describe('Epochs', () => {
       }
     );
   });
+  
+  it('epoch changes mutation returns new epochs list with mutation', () => {
+    const firstAction = {type: 'ADD_EPOCH', value: { name: 'epoch 2', changes: []}};
+    const secondAction = {type: 'SET_EPOCH', value: { index: 0, changes: ['n>t/_#', '[+plosive]>[+nasal -plosive]/_n']}};
+    const secondState = stateReducer(state, firstAction);
+    expect(stateReducer(secondState, secondAction)).toEqual(
+      {...state, 
+        epochs: [
+          {name: 'epoch 1', changes: ['n>t/_#', '[+plosive]>[+nasal -plosive]/_n']},
+          {name: 'epoch 2', changes: []}
+        ]
+      }
+    );
+  });
+
 });

src/reducers/stateReducer.js

@@ -1,6 +1,9 @@
-const initState = () => {
+export const initState = () => {
   return {
-
+    epochs: [],
+    lexicon: [],
+    phones: {},
+    features: {}
   }
 }
 
@@ -32,7 +35,7 @@ const addFeatureToPhone = (phones, phone, featureKey, featureValue) => {
   return phones;
 }
 
-const stateReducer = (state, action) => {
+export const stateReducer = (state, action) => {
   switch (action.type) {
     case 'INIT': {
       return initState();
@@ -107,6 +110,4 @@ const stateReducer = (state, action) => {
     default:
       return state;
   }
-}
-
-module.exports = {initState, stateReducer}
+}