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Perform calculation in higher order component in reactJS


Perform calculation in higher order component in reactJS

By : Zahra Mosavi
Date : October 22 2020, 08:10 AM
Any of those help It receives the props just fine.
The problem is with your switch statement. Your case expressions result in true or false so that is what should be in the switch
code :
switch (true) {
  case this.props.percentage > 75:
    type = "succes";
    break;
  case this.props.percentage > 50 && 75 >= this.props.percentage:
    type = "mediocre";
    break;
  case this.props.percentage <= 50:
    type = "failure123";
    break;
}


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Reactjs - Higher Order Component unmount not working correctly

Reactjs - Higher Order Component unmount not working correctly


By : baytu toger
Date : March 29 2020, 07:55 AM
Hope that helps I created a HOC to listen for clicks outside its wrapped component, so that the wrapped component can listen and react as needed. , Add this to constructor:
code :
this._handleClickOutside = this._handleClickOutside.bind(this)
componentDidMount() {
            document.addEventListener('click', this._handleClickOutside, true);
        }

        componentWillUnmount() {
            document.removeEventListener('click', this._handleClickOutside, true);
        }
React Higher Order Component - call function in the wrapped component from the wrapper component

React Higher Order Component - call function in the wrapped component from the wrapper component


By : Pratiwi Widya
Date : March 29 2020, 07:55 AM
it should still fix some issue Assuming I am using the right pattern, I would like to be able to call someFunc() - which is inside - from inside . See below: , You can use ref for that:
code :
var Wrapper = (Home) => {
  return React.createClass({
    render() {
      return (
          <div>
              <button onClick={() => {this.home.someFunc()}} />
              <Home
                  {...this.props}
                  ref={(c) => this.home = c;}
              />
          </div>
      );
    }
  })
}
retrieving React child component from Higher Order Component when testing Stateless Functional Component

retrieving React child component from Higher Order Component when testing Stateless Functional Component


By : photolover1
Date : March 29 2020, 07:55 AM
should help you out To get this to work, it is necessary export/import the non-HOCed component. This required 3 changes. First the export keyword should be added to the definition of MyComponent.
code :
export const MyClass = ...
 import * as MC from './src/views/MyClass.js
<MC.MyClass myText={'my text'} />
Higher Order Component not firing wrapper render in ReactJS

Higher Order Component not firing wrapper render in ReactJS


By : AyuNk Syah
Date : March 29 2020, 07:55 AM
wish helps you I'm using a high order component that is not rendering the child on a render change. The code below has been chopped down for simplicity sake. ,
You need to pass an object to this.setState
code :
const withMyComponent = WrapperComponent => {
  class HOC extends Component {
    state = {
      value: ""
    };

    changedHandler = event => {
      // Instead of 
      // this.setState( value: event.target.value );

      // Do This.
      this.setState({ value: event.target.value });
    };

    render() { ... }
  }

  return HOC;
};
How to add a button using Higher Order Component in reactjs

How to add a button using Higher Order Component in reactjs


By : aevenard
Date : March 29 2020, 07:55 AM
wish helps you Try using props.children, also refer to React.Children API
code :
function ComponentWithButton({ children }) {
  return (
    <>
      <button>BUTTON ADDED USING HOC</button>
      {children}
    </>
  );
}
<ComponentWithButton>
  <WrappedComponent />
</ComponentWithButton>
class ComponentWithButton extends Component {
  render() {
    const { children } = this.props;
    return (
      <>
        <button>BUTTON ADDED USING HOC</button>
        {children}
      </>
    );
  }
}
export default ComponentWithButton;
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