How can you utilize AbortController in Nuxt 4 to handle async data fetching?

In Nuxt 4, AbortController is used to manage and cancel ongoing async data fetching requests effectively, avoiding unnecessary work and potential memory leaks.

Passing the AbortController's signal to useAsyncData or $fetch calls enables controlling and canceling ongoing async requests in Nuxt 4, permitting aborts during component unmounts, page navigations, or user actions to prevent wasted resources and stale data. This improves app performance by reducing unnecessary network usage and enhances error handling, as aborted requests throw specific errors that can be managed gracefully. It fits well with Nuxt 4’s reactive and modular design, supporting clean and responsive async workflows.