Michael Kutuzov michaelkutuzov
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| fiberRoot.current.stateNode === fiberRoot; // true |
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| const hostRootFiberNode = fiberRoot.current |
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| const fiberRoot = query('#container')._reactRootContainer._internalRoot |
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| const domContainer = document.querySelector('#container'); | |
| ReactDOM.render(React.createElement(ClickCounter), domContainer); |
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| function updateHostComponent(current, workInProgress, renderExpirationTime) {...} |
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| { | |
| $$typeof: Symbol(react.element), | |
| key: null, | |
| props: {}, | |
| ref: null, | |
| type: ClickCounter | |
| } |
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| [ | |
| { | |
| $$typeof: Symbol(react.element), | |
| type: 'button', | |
| key: "1", | |
| props: { | |
| children: 'Update counter', | |
| onClick: () => { ... } | |
| } | |
| }, |
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| class ClickCounter { | |
| ... | |
| render() { | |
| return [ | |
| React.createElement( | |
| 'button', | |
| { | |
| key: '1', | |
| onClick: this.onClick | |
| }, |
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| <button key="1" onClick={this.onClick}>Update counter</button> | |
| <span key="2">{this.state.count}</span> |
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| class ClickCounter extends React.Component { | |
| constructor(props) { | |
| super(props); | |
| this.state = {count: 0}; | |
| this.handleClick = this.handleClick.bind(this); | |
| } | |
| handleClick() { | |
| this.setState((state) => { | |
| return {count: state.count + 1}; |