10 lines
608 B
TypeScript
10 lines
608 B
TypeScript
/**
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* Determine whether a target is within a portal from perspective of root or optional parent.
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* This function only works against portal components that use the setPortalAttribute function.
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* If both parent and child are within the same portal this function will return false.
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* @param target - Element to query portal containment status of.
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* @param parent - Optional parent perspective. Search for containing portal stops at parent
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* (or root if parent is undefined or invalid.)
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*/
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export declare function portalContainsElement(target: HTMLElement, parent?: HTMLElement, doc?: Document): boolean;
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