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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,79 +1,19 @@ | ||
| import * as React from "../qreact"; | ||
|
|
||
| class App extends React.Component { | ||
| constructor(props) { | ||
| super(props); | ||
|
|
||
| this.state = { | ||
| stories: [ | ||
| { | ||
| id: 1, | ||
| name: "[Webpack] — Smart Loading Assets For Production", | ||
| url: | ||
| "https://hackernoon.com/webpack-smart-loading-assets-for-production-3571e0a29c2e", | ||
| }, | ||
| { | ||
| id: 2, | ||
| name: "V8 Engine Overview", | ||
| url: "https://medium.com/@MQuy90/v8-engine-overview-7c965731ced4", | ||
| }, | ||
| ], | ||
| }; | ||
| } | ||
|
|
||
| render() { | ||
| const { stories } = this.state; | ||
|
|
||
| return ( | ||
| <div> | ||
| <ul> | ||
| {stories.map(story => ( | ||
| <Story story={story} key={story.id} onRemove={this.removeStory} /> | ||
| ))} | ||
| </ul> | ||
| </div> | ||
| ); | ||
| } | ||
|
|
||
| removeStory = story => () => { | ||
| const { stories } = this.state; | ||
|
|
||
| const index = stories.findIndex(s => s.id == story.id); | ||
| stories.splice(index, 1); | ||
|
|
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| this.setState(stories); | ||
| }; | ||
| } | ||
|
|
||
| class Story extends React.Component { | ||
| constructor(props) { | ||
| super(props); | ||
|
|
||
| this.state = { likes: Math.ceil(Math.random() * 100) }; | ||
| } | ||
| render() { | ||
| const { story, onRemove } = this.props; | ||
| const { likes } = this.state; | ||
|
|
||
| return ( | ||
| <li> | ||
| <button onClick={this.handleClick}>{likes}❤️</button> | ||
| <a href={story.url}>{story.name}</a> | ||
| <button onClick={onRemove(story)}>Remove</button> | ||
| </li> | ||
| ); | ||
| } | ||
|
|
||
| handleClick = () => { | ||
| this.setState({ | ||
| likes: this.state.likes + 1, | ||
| }); | ||
| }; | ||
| function Example() { | ||
| const [count, setCount] = React.useState(0); | ||
|
|
||
| return ( | ||
| <div> | ||
| <p>You clicked {count} times</p> | ||
| <button onClick={() => setCount(count + 1)}>Click me</button> | ||
| </div> | ||
| ); | ||
| } | ||
|
|
||
| React.render( | ||
| <React.unstable_AsyncMode> | ||
| <App /> | ||
| </React.unstable_AsyncMode>, | ||
| <div> | ||
| <Example /> | ||
| </div>, | ||
| document.getElementById("root"), | ||
| ); |
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