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Stefan Hacker
2026-04-03 09:38:48 +02:00
commit 37ad745546
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/**
* Determine whether a target is within a portal from perspective of root or optional parent.
* This function only works against portal components that use the setPortalAttribute function.
* If both parent and child are within the same portal this function will return false.
* @param target - Element to query portal containment status of.
* @param parent - Optional parent perspective. Search for containing portal stops at parent
* (or root if parent is undefined or invalid.)
*/
export declare function portalContainsElement(target: HTMLElement, parent?: HTMLElement, doc?: Document): boolean;