35 lines
904 B
JavaScript
35 lines
904 B
JavaScript
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export function isDOM(node) {
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// https://developer.mozilla.org/en-US/docs/Web/API/Element
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// Since XULElement is also subclass of Element, we only need HTMLElement and SVGElement
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return node instanceof HTMLElement || node instanceof SVGElement;
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}
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/**
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* Retrieves a DOM node via a ref, and does not invoke `findDOMNode`.
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*/
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export function getDOM(node) {
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if (node && typeof node === 'object' && isDOM(node.nativeElement)) {
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return node.nativeElement;
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}
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if (isDOM(node)) {
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return node;
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}
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return null;
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}
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/**
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* Return if a node is a DOM node. Else will return by `findDOMNode`
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*/
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export default function findDOMNode(node) {
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const domNode = getDOM(node);
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if (domNode) {
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return domNode;
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}
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if (node && typeof node === 'object' && 'current' in node) {
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const refDomNode = getDOM(node.current);
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if (refDomNode) {
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return refDomNode;
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}
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}
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return null;
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}
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