Animating components in React: A step-by-step guide to smoothly transition between rendered components

Question

Animating components in React: A step-by-step guide to smoothly transition between rendered components

I am implementing a feature where a component changes at regular time intervals.

Is there a way to incorporate an animation each time this change occurs? What would be the most effective approach?

constructor (props) {
    super(props)
    this.state = { currentComponent: 1,
    numberOfComponents: 2}
}

componentWillMount() {
    setInterval(() => {
       if(this.state.currentComponent === 2) {
           this.setState({currentComponent: 1})
       } else {
           this.setState({currentComponent: this.state.currentComponent + 1})
       }
    }, 5000)
}

render(){

    let currentComponent = null;

    if(this.state.currentComponent === 1) {
        currentComponent = <ComponentOne/>;

    } else {
        currentComponent = <ComponentTwo/>;
    }

    return(
        currentComponent
    )
}

UPDATE:

In addition, I encountered an issue when attempting to utilize 'react-addons-css-transition-group', resulting in the following error:

https://i.sstatic.net/k6FCG.png

javascript css reactjs animation

Answer 1

Answer №1

If you want to implement transitions in React using ReactCSSTransitionGroup, you can refer to the guidelines provided in this section

Here is an example of CSS code:

.example-enter {
  opacity: 0.01;
}

.example-enter.example-enter-active {
  opacity: 1;
  transition: opacity 500ms ease-in;
}

.example-leave {
  opacity: 1;
}

.example-leave.example-leave-active {
  opacity: 0.01;
  transition: opacity 300ms ease-in;
}

Your implementation could look like this:

import ReactCSSTransitionGroup from 'react-addons-css-transition-group';

class MyComponent extends Component {
  constructor (props) {
    super(props)
    this.state = { currentComponent: 1,
    numberOfComponents: 2}
  }

  componentWillMount() {
    setInterval(() => {
       if(this.state.currentComponent === 2) {
           this.setState({currentComponent: 1})
       } else {
           this.setState({currentComponent: this.state.currentComponent + 1})
       }
    }, 5000)
  }

  render(){
    let currentComponent = null;

    if(this.state.currentComponent === 1) {
        currentComponent = <ComponentOne/>;

    } else {
        currentComponent = <ComponentTwo/>;
    }

    return(
        <ReactCSSTransitionGroup
          transitionName="example"
           transitionEnterTimeout={500}
          transitionLeaveTimeout={300}>
          {currentComponent}
        </ReactCSSTransitionGroup>

    )
  }
}

Answer 2

If you want to implement transitions in React using ReactCSSTransitionGroup, you can refer to the guidelines provided in this section

Here is an example of CSS code:

.example-enter {
  opacity: 0.01;
}

.example-enter.example-enter-active {
  opacity: 1;
  transition: opacity 500ms ease-in;
}

.example-leave {
  opacity: 1;
}

.example-leave.example-leave-active {
  opacity: 0.01;
  transition: opacity 300ms ease-in;
}

Your implementation could look like this:

import ReactCSSTransitionGroup from 'react-addons-css-transition-group';

class MyComponent extends Component {
  constructor (props) {
    super(props)
    this.state = { currentComponent: 1,
    numberOfComponents: 2}
  }

  componentWillMount() {
    setInterval(() => {
       if(this.state.currentComponent === 2) {
           this.setState({currentComponent: 1})
       } else {
           this.setState({currentComponent: this.state.currentComponent + 1})
       }
    }, 5000)
  }

  render(){
    let currentComponent = null;

    if(this.state.currentComponent === 1) {
        currentComponent = <ComponentOne/>;

    } else {
        currentComponent = <ComponentTwo/>;
    }

    return(
        <ReactCSSTransitionGroup
          transitionName="example"
           transitionEnterTimeout={500}
          transitionLeaveTimeout={300}>
          {currentComponent}
        </ReactCSSTransitionGroup>

    )
  }
}

Animating components in React: A step-by-step guide to smoothly transition between rendered components

Answer №1

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