Created
May 3, 2017 19:22
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| //components/CountWidget.js | |
| import React from 'react'; | |
| let CountWidget = ({count, handleClick})=>{ | |
| return( | |
| <div> | |
| <p>Count: {count}</p> | |
| <button onClick={handleClick}>Increment</button> | |
| </div> | |
| ) | |
| }; | |
| export default CountWidget; | |
| // containers/CountWidget.js | |
| import React, { Component } from 'react'; | |
| import {incrementCount} from '../actions'; | |
| import CountWidget from '../components/CountWidget'; | |
| export default class CounterWidgetContainer extends React.Component { | |
| constructor(props){ | |
| super(props); | |
| this.state = { count: props.store.getState() }; | |
| this.handleClick = this.handleClick.bind(this); | |
| this.handleChange = this.handleChange.bind(this); | |
| } | |
| componentDidMount(){ this.props.store.subscribe(this.handleChange); } | |
| handleChange(){ this.setState({ count: this.props.store.getState() }); | |
| } | |
| handleClick(){ this.props.store.dispatch(incrementCount()); } | |
| render(){ | |
| return ( | |
| <CountWidget count={this.state.count} handleClick={this.handleClick}/> | |
| ); | |
| } | |
| } | |
| // App.js | |
| import React, { Component } from 'react'; | |
| import {incrementCount} from '../actions'; | |
| import CountWidget from '../containers/CountWidget'; | |
| export default class App extends React.Component { | |
| render(){ | |
| return ( | |
| <div> | |
| <CountWidget store={this.props.store}/> | |
| </div> | |
| ); | |
| } | |
| } | |
| //index.js | |
| import React, { Component } from 'react'; | |
| import ReactDOM from 'react-dom'; | |
| import { createStore } from 'redux'; | |
| import App from './components/App'; | |
| import reducer from './reducers'; | |
| let store = createStore(reducer); | |
| ReactDOM.render(<App store={store}/>, document.getElementById('app')); |
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