carbon-components-svelte/src/Portal/portal-utils.d.ts

Svelte implementation of the Carbon Design System

/**
 * Observe the closest modal ancestor for close events.
 * Calls `onClose` when the modal loses the "is-visible" class.
 * Returns a cleanup function to disconnect the observer.
 */
export declare function observeModalClose(
  element: HTMLElement,
  onClose: () => void,
): () => void;