Add example for usage of redux + reselect + recompose

examples/with-redux-reselect-recompose/.babelrc

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+{
+  "presets": [
+    "next/babel"
+  ],
+  "plugins": [
+    ["module-resolver", {
+      "root": ["./"]
+    }]
+  ]
+}

examples/with-redux-reselect-recompose/.eslintrc

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+{
+  "parser": "babel-eslint",
+  "plugins": [
+    "react"
+  ],
+  "parserOptions": {
+    "ecmaVersion": 6,
+    "sourceType": "module",
+    "ecmaFeatures": {
+      "jsx": true
+    }
+  },
+  "env": {
+    "browser": true,
+    "amd": true,
+    "es6": true,
+    "node": true,
+    "mocha": true
+  },
+  "extends": [
+    "airbnb",
+    "eslint:recommended",
+    "plugin:import/errors",
+    "plugin:import/warnings"
+  ],
+  "rules": {
+    "quotes": [ 1, "single" ],
+    "no-undef": 1,
+    "no-extra-semi": 1,
+    "no-console": 1,
+    "no-unused-vars": 1,
+    "no-trailing-spaces": [1, { "skipBlankLines": true }],
+    "no-unreachable": 1,
+    "react/jsx-uses-react": 1,
+    "react/jsx-uses-vars": 1,
+    "react/jsx-filename-extension": 0,
+    "react/prop-types": 0, // Disabled by this issue https://github.com/acdlite/recompose/issues/150
+    "import/no-unresolved": [0, {"commonjs": true, "amd": true}],
+    "import/named": 1,
+    "import/namespace": 1,
+    "import/default": 1,
+    "import/export": 1,
+    "import/no-extraneous-dependencies": 0,
+    "import/extensions": 0
+  }
+}

examples/with-redux-reselect-recompose/.gitignore

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+node_modules

examples/with-redux-reselect-recompose/README.md

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+[![Deploy to now](https://deploy.now.sh/static/button.svg)](https://deploy.now.sh/?repo=https://github.com/zeit/next.js/tree/master/examples/with-redux)
+
+# Redux with reselect and recompose example
+
+## How to use
+
+Download the example [or clone the repo](https://github.com/zeit/next.js):
+
+```bash
+curl https://codeload.github.com/zeit/next.js/tar.gz/master | tar -xz --strip=2 next.js-master/examples/with-redux-reselect-recompose
+cd with-redux-reselect-recompose
+```
+
+Install it and run:
+
+```bash
+npm install
+npm run dev
+```
+
+OR
+
+```bash
+yarn
+yarn dev
+```
+
+
+Deploy it to the cloud with [now](https://zeit.co/now) ([download](https://zeit.co/download))
+
+```bash
+now
+```
+
+## The idea behind the example
+This example is based on the great work of [with-redux](https://github.com/zeit/next.js/tree/v3-beta/examples/with-redux) example with the addition of [reselect](https://github.com/reactjs/reselect) and [recompose](https://github.com/acdlite/recompose)

examples/with-redux-reselect-recompose/actions/index.js

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+import { TICK, ADD } from 'constants/actionTypes'
+
+export const addCount = () => ({ type: ADD })
+
+export const setClock = (light, ts) => ({ type: TICK, light, ts })
+
+export const serverRenderClock = isServer => dispatch => dispatch(setClock(!isServer, Date.now()))
+
+export const startClock = () => dispatch => setInterval(() => dispatch(setClock(true, Date.now())), 800)

examples/with-redux-reselect-recompose/components/addCount.js

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+import React from 'react'
+import PropTypes from 'prop-types'
+import { compose, setDisplayName, pure, setPropTypes } from 'recompose'
+
+const AddCount = ({ count, addCount }) =>
+  <div>
+    <style jsx>{`
+      div {
+        padding: 0 0 20px 0;
+      }
+  `}</style>
+    <h1>AddCount: <span>{count}</span></h1>
+    <button onClick={addCount}>Add To Count</button>
+  </div>
+
+export default compose(
+  setDisplayName('AddCount'),
+  setPropTypes({
+    count: PropTypes.number,
+    addCount: PropTypes.func
+  }),
+  pure
+)(AddCount)

examples/with-redux-reselect-recompose/components/clock.js

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+import React from 'react'
+import PropTypes from 'prop-types'
+import { compose, pure, setDisplayName, setPropTypes } from 'recompose'
+
+const format = t => `${pad(t.getUTCHours())}:${pad(t.getUTCMinutes())}:${pad(t.getUTCSeconds())}`
+
+const pad = n => n < 10 ? `0${n}` : n
+
+const Clock = ({ lastUpdate, light }) =>
+  <div className={light ? 'light' : ''}>
+    {format(new Date(lastUpdate))}
+    <style jsx>{`
+      div {
+        padding: 15px;
+        display: inline-block;
+        color: #82FA58;
+        font: 50px menlo, monaco, monospace;
+        background-color: #000;
+      }
+
+      .light {
+        background-color: #999;
+      }
+    `}</style>
+  </div>
+
+export default compose(
+  setDisplayName('Clock'),
+  setPropTypes({
+    lastUpdate: PropTypes.number,
+    light: PropTypes.bool
+  }),
+  pure
+)(Clock)

examples/with-redux-reselect-recompose/components/page.js

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+import React from 'react'
+import PropTypes from 'prop-types'
+import Link from 'next/link'
+import { compose, setDisplayName, pure, setPropTypes } from 'recompose'
+import Clock from './clock'
+import AddCount from './addCount'
+
+const Page = ({ title, linkTo, light, lastUpdate, count, addCount }) =>
+  <div>
+    <h1>{title}</h1>
+    <Clock lastUpdate={lastUpdate} light={light} />
+    <AddCount count={count} addCount={addCount} />
+    <nav>
+      <Link href={linkTo}><a>Navigate</a></Link>
+    </nav>
+  </div>
+
+export default compose(
+  setDisplayName('Page'),
+  setPropTypes({
+    title: PropTypes.string,
+    linkTo: PropTypes.string,
+    light: PropTypes.bool,
+    lastUpdate: PropTypes.number,
+    count: PropTypes.number,
+    addCount: PropTypes.func
+  }),
+  pure
+)(Page)

examples/with-redux-reselect-recompose/constants/actionTypes.js

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+export const ADD = 'ADD'
+export const TICK = 'TICK'

examples/with-redux-reselect-recompose/containers/page.js

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+import { connect } from 'react-redux'
+import { addCount } from 'actions'
+import { selectLight, selectLastUpdate, selectCount } from 'selectors'
+import { createSelector } from 'reselect'
+import { compose, setDisplayName, pure } from 'recompose'
+import Page from 'components/page'
+
+export default compose(
+  setDisplayName('PageContainer'),
+  connect(createSelector(
+    selectLight(),
+    selectLastUpdate(),
+    selectCount(),
+    (light, lastUpdate, count) => ({ light, lastUpdate, count })
+  ), { addCount }),
+  pure
+)(Page)

examples/with-redux-reselect-recompose/package.json

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+{
+  "name": "with-redux-reselect-recompose",
+  "version": "1.0.0",
+  "scripts": {
+    "dev": "next",
+    "build": "next build",
+    "start": "next start",
+    "lint": "eslint --ext .js,.js ."
+  },
+  "dependencies": {
+    "babel-plugin-module-resolver": "^2.7.1",
+    "next": "latest",
+    "next-redux-wrapper": "^1.0.0",
+    "prop-types": "^15.5.10",
+    "react": "^15.4.2",
+    "react-dom": "^15.4.2",
+    "react-redux": "^5.0.1",
+    "recompose": "^0.23.5",
+    "redux": "^3.6.0",
+    "redux-logger": "^3.0.6",
+    "redux-thunk": "^2.2.0",
+    "reselect": "^3.0.1"
+  },
+  "author": "Phuc Nguyen Hoang",
+  "license": "MIT",
+  "devDependencies": {
+    "babel-eslint": "7.1.1",
+    "eslint": "3.11.1",
+    "eslint-config-airbnb": "13.0.0",
+    "eslint-loader": "^1.9.0",
+    "eslint-plugin-import": "2.2.0",
+    "eslint-plugin-jsx-a11y": "2.2.3",
+    "eslint-plugin-react": "6.7.1"
+  }
+}

examples/with-redux-reselect-recompose/pages/index.js

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+import { startClock, addCount, serverRenderClock } from 'actions'
+import Page from 'containers/page'
+import withRedux from 'next-redux-wrapper'
+import { compose, setDisplayName, pure, lifecycle, withProps } from 'recompose'
+import initStore from '../store'
+
+const Counter = compose(
+  setDisplayName('IndexPage'),
+  withProps({
+    title: 'Index page',
+    linkTo: '/other'
+  }),
+  lifecycle({
+    componentDidMount () {
+      this.timer = this.props.startClock()
+    },
+    componentWillUnmount () {
+      clearInterval(this.timer)
+    }
+  }),
+  pure
+)(Page)
+
+Counter.getInitialProps = ({ store, isServer }) => {
+  store.dispatch(serverRenderClock(isServer))
+  store.dispatch(addCount())
+  return { isServer }
+}
+
+export default withRedux(initStore, null, { startClock })(Counter)

examples/with-redux-reselect-recompose/pages/other.js

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+import { startClock, addCount, serverRenderClock } from 'actions'
+import Page from 'containers/page'
+import withRedux from 'next-redux-wrapper'
+import { compose, setDisplayName, pure, lifecycle, withProps } from 'recompose'
+import initStore from '../store'
+
+const Counter = compose(
+  setDisplayName('OtherPage'),
+  withProps({
+    title: 'Other page',
+    linkTo: '/'
+  }),
+  lifecycle({
+    componentDidMount () {
+      this.timer = this.props.startClock()
+    },
+    componentWillUnmount () {
+      clearInterval(this.timer)
+    }
+  }),
+  pure
+)(Page)
+
+Counter.getInitialProps = ({ store, isServer }) => {
+  store.dispatch(serverRenderClock(isServer))
+  store.dispatch(addCount())
+  return { isServer }
+}
+
+export default withRedux(initStore, null, { startClock })(Counter)

examples/with-redux-reselect-recompose/reducers/count.js

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+import { ADD, TICK } from 'constants/actionTypes'
+
+export const initialState = {
+  lastUpdate: 0,
+  light: false,
+  count: 0
+}
+
+export default (state = initialState, action) => {
+  const { type, ts, light } = action
+
+  switch (type) {
+    case TICK: {
+      return Object.assign({}, state, {
+        lastUpdate: ts,
+        light: !!light
+      })
+    }
+
+    case ADD: {
+      return Object.assign({}, state, {
+        count: state.count + 1
+      })
+    }
+
+    default: {
+      return state
+    }
+  }
+}

examples/with-redux-reselect-recompose/reducers/index.js

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+import { combineReducers } from 'redux'
+import count, { initialState as countState } from './count'
+
+export const intitialState = {
+  count: countState
+}
+
+export default combineReducers({
+  count
+})

examples/with-redux-reselect-recompose/selectors/index.js

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+import { createSelector } from 'reselect'
+
+export const selectState = () => state => state.count
+
+export const selectCount = () => createSelector(
+  selectState(),
+  count => count.count
+)
+
+export const selectLight = () => createSelector(
+  selectState(),
+  count => count.light
+)
+
+export const selectLastUpdate = () => createSelector(
+  selectState(),
+  count => count.lastUpdate
+)

examples/with-redux-reselect-recompose/store.js

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+import thunkMiddleware from 'redux-thunk'
+import { createStore, applyMiddleware, compose } from 'redux'
+import { createLogger } from 'redux-logger'
+import reducer, { initialState } from 'reducers'
+
+export default (state = initialState) => {
+  const middlewares = [thunkMiddleware, createLogger()]
+  return createStore(
+    reducer,
+    state,
+    compose(applyMiddleware(...middlewares))
+  )
+}