[ISSUE-6] Remove redux-thunk dependency

example/webapp/src/app/style.css

@@ -12,7 +12,7 @@
   margin-bottom: 40px;
   line-height: calc(100vh - 200px);
   font-size: 80vh;
-  color: blue;
+  color: red;
   text-align: center;
 }
 

package.json

@@ -79,7 +79,6 @@
   "dependencies": {
     "bleno": "^0.4.2",
     "redux": "^3.7.1",
-    "redux-thunk": "^2.2.0",
     "text-encoding": "^0.6.4"
   },
   "bundlesize": [

src/webapp/actions/actions.js

@@ -4,18 +4,27 @@ export default function Actions(central, TYPES) {
     payload: state,
   });
 
-  const syncStore = () => dispatch => central.read().then(state => dispatch(syncState(state)));
+  const syncStore = () => ({
+    type: TYPES.BLUETOOTH_SYNC_REQUEST,
+    request: dispatch => central.read().then(state => dispatch(syncState(state))),
+  });
 
-  const connectStore = name => (dispatch) => {
+  const connectStore = name => ({
+    type: TYPES.BLUETOOTH_CONNECT_REQUEST,
+    request: (dispatch) => {
       dispatch({ type: TYPES.BLUETOOTH_CONNECTING });
       return central
         .connect(name)
         .then(() => central.handler(state => dispatch(syncState(state))))
         .then(() => dispatch({ type: TYPES.BLUETOOTH_CONNECTED }))
         .then(() => dispatch(syncStore()));
-  };
+    },
+  });
 
-  const sendAction = action => () => central.write(action);
+  const sendAction = action => ({
+    type: TYPES.BLUETOOTH_SEND_REQUEST,
+    request: () => central.write(action),
+  });
 
   return {
     connectStore,

src/webapp/actions/actions.test.js

@@ -32,9 +32,12 @@ test('syncState', () => {
 
 test('connectStore', () => {
   const { connectStore } = Actions(central, TYPES);
-  expect.assertions(8);
+  const action = connectStore('mockName');
+  expect.assertions(10);
 
-  const promise = connectStore('mockName')(dispatch).then(() => {
+  expect(action.type).toEqual(TYPES.BLUETOOTH_CONNECT_REQUEST);
+
+  const promise = action.request(dispatch).then(() => {
     expect(central.connect).toBeCalled();
     expect(central.handler).toBeCalled();
 
@@ -42,7 +45,9 @@ test('connectStore', () => {
     expect(dispatch.mock.calls[0][0]).toEqual({ type: TYPES.BLUETOOTH_CONNECTING });
     expect(dispatch.mock.calls[1][0]).toEqual({ type: TYPES.BLUETOOTH_CONNECTED });
 
-    return dispatch.mock.calls[2][0](dispatch); // syncStore
+    const syncStore = dispatch.mock.calls[2][0];
+    expect(syncStore.type).toEqual(TYPES.BLUETOOTH_SYNC_REQUEST);
+    return syncStore.request(dispatch);
   }).then(() => {
     expect(central.read).toBeCalled();
     expect(dispatch.mock.calls[3][0]).toEqual({ type: TYPES.BLUETOOTH_SYNC, payload: 'mockState' });
@@ -55,9 +60,12 @@ test('connectStore', () => {
 
 test('syncStore', () => {
   const { syncStore } = Actions(central, TYPES);
-  expect.assertions(3);
+  const action = syncStore();
+  expect.assertions(4);
 
-  const promise = syncStore()(dispatch).then(() => {
+  expect(action.type).toEqual(TYPES.BLUETOOTH_SYNC_REQUEST);
+
+  const promise = action.request(dispatch).then(() => {
     expect(central.read).toBeCalled();
     expect(dispatch).toBeCalledWith({ type: TYPES.BLUETOOTH_SYNC, payload: 'mockState' });
 
@@ -69,9 +77,12 @@ test('syncStore', () => {
 
 test('sendAction', () => {
   const { sendAction } = Actions(central, TYPES);
-  expect.assertions(2);
+  const action = sendAction('mockAction');
+  expect.assertions(3);
 
-  const promise = sendAction('mockAction')(dispatch).then(() => {
+  expect(action.type).toEqual(TYPES.BLUETOOTH_SEND_REQUEST);
+
+  const promise = action.request(dispatch).then(() => {
     expect(central.write).toBeCalledWith('mockAction');
 
     return true;

src/webapp/actions/types.js

@@ -4,3 +4,7 @@ export const BLUETOOTH_ERROR = '@@bluetooth/ERROR';
 export const BLUETOOTH_READ = '@@bluetooth/READ';
 export const BLUETOOTH_SYNC = '@@bluetooth/SYNC';
 export const BLUETOOTH_SEND = '@@bluetooth/SEND';
+
+export const BLUETOOTH_CONNECT_REQUEST = '@@bluetooth/CONNECT_REQUEST';
+export const BLUETOOTH_SEND_REQUEST = '@@bluetooth/SEND_REQUEST';
+export const BLUETOOTH_SYNC_REQUEST = '@@bluetooth/SYNC_REQUEST';

src/webapp/middleware/index.js

@@ -1,9 +1,26 @@
 import ACTIONS from '../actions';
+import * as TYPES from '../actions/types';
 
 const { sendAction } = ACTIONS;
 
+const {
+  BLUETOOTH_CONNECT_REQUEST,
+  BLUETOOTH_SEND_REQUEST,
+  BLUETOOTH_SYNC_REQUEST,
+} = TYPES;
+
+const REQUESTS = [
+  BLUETOOTH_CONNECT_REQUEST,
+  BLUETOOTH_SEND_REQUEST,
+  BLUETOOTH_SYNC_REQUEST,
+];
+
 export default (actions = []) => store => next => (action) => {
+  if (typeof action !== 'object') {
+    return next(action);
+  }
   const { type } = action;
+  if (REQUESTS.includes(type)) action.request(store.dispatch);
   if (actions.includes(type)) store.dispatch(sendAction(action));
   return next(action);
 };

src/webapp/middleware/index.test.js

@@ -35,3 +35,17 @@ test('actions included', () => {
   expect(store.dispatch).toBeCalledWith('mockAction');
   expect(next).toBeCalledWith({ type: 'ACTION' });
 });
+
+test('actions request', () => {
+  const request = jest.fn();
+  const action = { type: '@@bluetooth/CONNECT_REQUEST', request };
+  middleware(['ACTION'])(store)(next)(action);
+  expect(request).toBeCalledWith(store.dispatch);
+  expect(next).toBeCalledWith(action);
+});
+
+test('actions not an object', () => {
+  const funcAction = jest.fn();
+  middleware(['ACTION'])(store)(next)(funcAction);
+  expect(next).toBeCalledWith(funcAction);
+});

src/webapp/store/index.js

@@ -1,12 +1,11 @@
 /* global window */
 import { createStore, applyMiddleware, compose } from 'redux';
-import thunk from 'redux-thunk';
 
 import middleware from '../middleware';
 import reducers from '../reducers';
 
 export default (actions) => {
-  const middlewares = [middleware(actions), thunk];
+  const middlewares = [middleware(actions)];
   const enhancers = [applyMiddleware(...middlewares)];
 
   /* eslint-disable no-underscore-dangle */