add default exports to prevent rewire plugin from breaking vuex

app/assets/javascripts/ide/stores/actions.js

@@ -141,3 +141,6 @@ export * from './actions/tree';
 export * from './actions/file';
 export * from './actions/project';
 export * from './actions/merge_request';
+
+// prevent babel-plugin-rewire from generating an invalid default during karma tests
+export default () => {};

app/assets/javascripts/ide/stores/getters.js

@@ -43,3 +43,6 @@ export const collapseButtonTooltip = state =>
 export const hasMergeRequest = state => !!state.currentMergeRequestId;
 
 export const getStagedFile = state => path => state.stagedFiles.find(f => f.path === path);
+
+// prevent babel-plugin-rewire from generating an invalid default during karma tests
+export default () => {};

app/assets/javascripts/ide/stores/modules/commit/actions.js

@@ -185,3 +185,6 @@ export const commitChanges = ({ commit, state, getters, dispatch, rootState }) =
       commit(types.UPDATE_LOADING, false);
     });
 };
+
+// prevent babel-plugin-rewire from generating an invalid default during karma tests
+export default () => {};

app/assets/javascripts/ide/stores/modules/commit/getters.js

@@ -27,3 +27,6 @@ export const branchName = (state, getters, rootState) => {
 
   return rootState.currentBranchId;
 };
+
+// prevent babel-plugin-rewire from generating an invalid default during karma tests
+export default () => {};

app/assets/javascripts/notes/stores/actions.js

@@ -315,3 +315,6 @@ export const scrollToNoteIfNeeded = (context, el) => {
     scrollToElement(el);
   }
 };
+
+// prevent babel-plugin-rewire from generating an invalid default during karma tests
+export default () => {};

app/assets/javascripts/notes/stores/getters.js

@@ -68,3 +68,6 @@ export const resolvedDiscussionCount = (state, getters) => {
 
   return Object.keys(resolvedMap).length;
 };
+
+// prevent babel-plugin-rewire from generating an invalid default during karma tests
+export default () => {};

app/assets/javascripts/registry/stores/actions.js

@@ -35,3 +35,6 @@ export const deleteRegistry = ({ commit }, image) => Vue.http.delete(image.destr
 
 export const setMainEndpoint = ({ commit }, data) => commit(types.SET_MAIN_ENDPOINT, data);
 export const toggleLoading = ({ commit }) => commit(types.TOGGLE_MAIN_LOADING);
+
+// prevent babel-plugin-rewire from generating an invalid default during karma tests
+export default () => {};

app/assets/javascripts/registry/stores/getters.js

 export const isLoading = state => state.isLoading;
 export const repos = state => state.repos;
+
+// prevent babel-plugin-rewire from generating an invalid default during karma tests
+export default () => {};