Guide on resizing a ReactJS component for optimal browser display

Is there a way to resize a pre-existing React component within a browser that already has predetermined height and width?

componentDidMount(x,y,z){
 this.setState({height:window.innerHeight+'px'});
}

I'm unsure if this approach is the correct one. Should I first obtain the viewport size, and then attempt to resize the component accordingly later on? How can this be achieved effectively?

Answer №1

To apply styles directly to the DOM element, you can use the following approach:

render() {
    return <div style={{ width: window.innerWidth }} />;
}

If you require calculating the style dynamically after the initial render, for instance, following user interaction, you can calculate and save the styles in the component's state:

// ... logic to calculate and update state can be implemented elsewhere
// e.g., someFunction() { this.setState({ width: window.innerWidth }); }
render() {
    let styles = {};
    if (this.state.width) {
        styles.width = this.state.width;
    }

    return <div style={styles} />;
}

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