21 lines
652 B
JavaScript
21 lines
652 B
JavaScript
import ownerWindow from '@mui/utils/ownerWindow';
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/**
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* Checks if a value is an HTMLElement, including elements from other iframes/realms.
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*/
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export function isHTMLElement(value) {
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if (typeof window === 'undefined' || value == null) {
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return false;
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}
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if (value instanceof HTMLElement) {
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return true;
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}
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// Cross-realm: must be an element node (nodeType 1) from another window.
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// The try/catch guards against detached/destroyed windows where accessing
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// `.HTMLElement` on the owner window may throw.
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try {
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return value.nodeType === 1 && value instanceof ownerWindow(value).HTMLElement;
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} catch {
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return false;
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}
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} |