drop flow

.eslintrc

@@ -4,9 +4,6 @@
     "standard",
     "standard-react"
   ],
-  "plugins" : [
-    "flow-vars"
-  ],
   "env"     : {
     "browser" : true
   },
@@ -24,8 +21,6 @@
     "semi-spacing": [2, { "before": false, "after": true }],
 
     "space-infix-ops": 0,
-    "max-len": [2, 120, 2],
-    "flow-vars/define-flow-type": 1,
-    "flow-vars/use-flow-type": 1
+    "max-len": [2, 120, 2]
   }
 }

package.json

@@ -20,7 +20,6 @@
     "posttest": "npm-run-all lint:fix",
     "test:dev": "npm run test -- --watch",
     "deploy": "better-npm-run deploy",
-    "flow:check": "babel-node bin/flow-check",
     "codecov": "cat coverage/*/lcov.info | codecov"
   },
   "betterScripts": {
@@ -115,14 +114,11 @@
     "eslint-config-standard-react": "^2.2.0",
     "eslint-loader": "^1.1.1",
     "eslint-plugin-babel": "^3.0.0",
-    "eslint-plugin-flow-vars": "^0.1.3",
     "eslint-plugin-promise": "^1.0.8",
     "eslint-plugin-react": "^4.0.0",
     "eslint-plugin-standard": "^1.3.1",
     "extract-text-webpack-plugin": "^1.0.0",
     "file-loader": "^0.8.4",
-    "flow-bin": "^0.22.0",
-    "flow-interfaces": "^0.2.0",
     "fs-extra": "^0.26.3",
     "html-webpack-plugin": "^2.7.1",
     "imports-loader": "^0.6.5",

src/redux/modules/counter.js

@@ -1,4 +1,3 @@
-/* @flow */
 // ------------------------------------
 // Constants
 // ------------------------------------
@@ -7,10 +6,7 @@ export const COUNTER_INCREMENT = 'COUNTER_INCREMENT';
 // ------------------------------------
 // Actions
 // ------------------------------------
-// NOTE: "Action" is a Flow interface defined in https://github.com/TechnologyAdvice/flow-interfaces
-// If you're unfamiliar with Flow, you are completely welcome to avoid annotating your code, but
-// if you'd like to learn more you can check out: flowtype.org.
-export const increment = (value: number = 1): Action => ({
+export const increment = (value: number = 1) => ({
   type: COUNTER_INCREMENT,
   payload: value
 });
@@ -21,9 +17,9 @@ export const increment = (value: number = 1): Action => ({
 // NOTE: This is solely for demonstration purposes. In a real application,
 // you'd probably want to dispatch an action of COUNTER_DOUBLE and let the
 // reducer take care of this logic.
-export const doubleAsync = (): Function => {
-  return (dispatch: Function, getState: Function): Promise => {
-    return new Promise((resolve: Function): void => {
+export const doubleAsync = () => {
+  return (dispatch, getState) => {
+    return new Promise((resolve) => {
       setTimeout(() => {
         dispatch(increment(getState().counter));
         resolve();
@@ -41,14 +37,14 @@ export const actions = {
 // Action Handlers
 // ------------------------------------
 const ACTION_HANDLERS = {
-  [COUNTER_INCREMENT]: (state: number, action: {payload: number}): number => state + action.payload
+  [COUNTER_INCREMENT]: (state, action) => state + action.payload
 };
 
 // ------------------------------------
 // Reducer
 // ------------------------------------
 const initialState = 0;
-export function counterReducer (state: number = initialState, action: Action): number {
+export function counterReducer (state = initialState, action) {
   const handler = ACTION_HANDLERS[action.type];
 
   return handler ? handler(state, action) : state;

src/views/HomeView/HomeView.js

@@ -1,4 +1,3 @@
-/* @flow */
 import React, { PropTypes } from 'react';
 import { connect } from 'react-redux';
 import classnames from 'classnames';
@@ -7,23 +6,10 @@ import { increment, doubleAsync } from '../../redux/modules/counter';
 import DuckImage from './Duck.jpg';
 import classes from './HomeView.css';
 
-// We can use Flow (http://flowtype.org/) to type our component's props
-// and state. For convenience we've included both regular propTypes and
-// Flow types, but if you want to try just using Flow you'll want to
-// disable the eslint rule `react/prop-types`.
-// NOTE: You can run `npm run flow:check` to check for any errors in your
-// code, or `npm i -g flow-bin` to have access to the binary globally.
-// Sorry Windows users :(.
-type Props = {
-  counter: number,
-  doubleAsync: Function,
-  increment: Function
-};
-
 // We avoid using the `@connect` decorator on the class definition so
 // that we can export the undecorated component for testing.
 // See: http://rackt.github.io/redux/docs/recipes/WritingTests.html
-export class HomeView extends React.Component<void, Props, void> {
+export class HomeView extends React.Component {
   static propTypes = {
     counter: PropTypes.number.isRequired,
     doubleAsync: PropTypes.func.isRequired,