What are the best practices for using portals in Vue 3?

What are the best practices for using portals in Vue 3?

When using portals in Vue 3, it's important to keep the following best practices in mind: 1. Use portals for modals and tooltips to manage DOM structure effectively. 2. Ensure accessibility by managing focus and keyboard navigation. 3. Clean up event listeners to prevent memory leaks. 4. Use the teleport component for better performance.

Can you explain how to manage focus in portals?

To manage focus in portals, you can use the mounted lifecycle hook to set focus on the first interactive element within the portal. Additionally, ensure to return focus to the original element when the portal is closed.

What are some common pitfalls to avoid?

Common pitfalls include not handling accessibility properly, failing to clean up event listeners, and not considering the z-index stacking context, which can lead to visual issues.

How do I implement a simple modal using portals?

To implement a simple modal using portals, create a component that uses the teleport feature to render the modal in a different part of the DOM. Use props to control visibility and emit events to close the modal.