mirror of
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38 lines
1.1 KiB
JavaScript
38 lines
1.1 KiB
JavaScript
import ownerDocument from 'dom-helpers/ownerDocument';
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import { useState, useEffect } from 'react';
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export var resolveContainerRef = function resolveContainerRef(ref) {
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var _ref;
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if (typeof document === 'undefined') return null;
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if (ref == null) return ownerDocument().body;
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if (typeof ref === 'function') ref = ref();
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if (ref && 'current' in ref) ref = ref.current;
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if ((_ref = ref) != null && _ref.nodeType) return ref || null;
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return null;
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};
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export default function useWaitForDOMRef(ref, onResolved) {
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var _useState = useState(function () {
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return resolveContainerRef(ref);
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}),
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resolvedRef = _useState[0],
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setRef = _useState[1];
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if (!resolvedRef) {
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var earlyRef = resolveContainerRef(ref);
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if (earlyRef) setRef(earlyRef);
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}
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useEffect(function () {
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if (onResolved && resolvedRef) {
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onResolved(resolvedRef);
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}
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}, [onResolved, resolvedRef]);
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useEffect(function () {
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var nextRef = resolveContainerRef(ref);
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if (nextRef !== resolvedRef) {
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setRef(nextRef);
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}
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}, [ref, resolvedRef]);
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return resolvedRef;
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} |