Скачать или смотреть How to Use window.matchMedia in Next.js with Styled Components Theme

Learn how to implement responsive themes in your Next.js application using `window.matchMedia` and styled components. This guide provides a simple solution to dynamically change styles based on screen size.
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Mastering Responsive Themes in Next.js with Styled Components

As web applications evolve, ensuring they are responsive across various devices has become crucial. One common challenge developers face is adapting styles based on screen size. If you're working with Next.js and styled-components, you might have encountered an issue where the styles don't update dynamically when the screen size changes. This is where the window.matchMedia API comes into play.

In this guide, we will explain how to effectively use window.matchMedia in your Next.js application with styled-components to create a responsive design that updates on screen size changes.

The Problem: Static Theme Updates

Imagine that you have set up a theme for your application, where certain styles should change based on screen size. For instance, you want to change a component's flex-basis from 100% on mobile to 48% on desktop. Here’s a brief overview of the original theme setup:

Initial Theme Setup

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You've used window.matchMedia to set the isCompact property, which determines how your component is displayed. However, the problem arises when the screen size changes – the styles do not update as expected.

The Solution: Creating a Custom Hook

To create a responsive theme that updates dynamically, we can leverage the power of a custom hook. This hook will monitor the screen size and update the theme accordingly.

Step 1: Create a Custom Hook

Here’s how to create a custom hook called useMediaQuery:

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Explanation of the Hook

State Management: The hook utilizes useState to maintain whether the target width has been reached.

Event Listener: updateTarget helps to update the state whenever there is a change in screen size.

Cleanup: Ensures that the event listener is removed when the component unmounts.

Step 2: Integrating the Hook with Your Theme

Next, it's time to integrate your new hook with your application's theme in the _app.js file:

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Step 3: Using the Theme in Styled Components

Now that we've set up our responsive theme, we can use it in our styled components like this:

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Conclusion

By implementing the custom hook useMediaQuery, you can ensure that your styled components respond dynamically to screen size changes. Your application's user experience will be significantly enhanced, as it now accommodates various devices seamlessly.

Now that the setup is complete, you can confidently build responsive layouts with Next.js and styled-components! Happy coding!