63 lines
2.7 KiB
JavaScript
63 lines
2.7 KiB
JavaScript
var $a7a032acae3ddda9$exports = require("./FocusScope.main.js");
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var $6RLDH$reactariautils = require("@react-aria/utils");
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var $6RLDH$react = require("react");
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function $parcel$export(e, n, v, s) {
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Object.defineProperty(e, n, {get: v, set: s, enumerable: true, configurable: true});
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}
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$parcel$export(module.exports, "useHasTabbableChild", () => $259c6413a286f2e6$export$eac1895992b9f3d6);
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/*
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* Copyright 2022 Adobe. All rights reserved.
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* This file is licensed to you under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License. You may obtain a copy
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* of the License at http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under
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* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
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* OF ANY KIND, either express or implied. See the License for the specific language
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* governing permissions and limitations under the License.
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*/
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function $259c6413a286f2e6$export$eac1895992b9f3d6(ref, options) {
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let isDisabled = options === null || options === void 0 ? void 0 : options.isDisabled;
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let [hasTabbableChild, setHasTabbableChild] = (0, $6RLDH$react.useState)(false);
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(0, $6RLDH$reactariautils.useLayoutEffect)(()=>{
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if ((ref === null || ref === void 0 ? void 0 : ref.current) && !isDisabled) {
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let update = ()=>{
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if (ref.current) {
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let walker = (0, $a7a032acae3ddda9$exports.getFocusableTreeWalker)(ref.current, {
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tabbable: true
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});
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setHasTabbableChild(!!walker.nextNode());
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}
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};
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update();
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// Update when new elements are inserted, or the tabIndex/disabled attribute updates.
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let observer = new MutationObserver(update);
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observer.observe(ref.current, {
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subtree: true,
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childList: true,
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attributes: true,
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attributeFilter: [
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'tabIndex',
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'disabled'
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]
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});
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return ()=>{
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// Disconnect mutation observer when a React update occurs on the top-level component
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// so we update synchronously after re-rendering. Otherwise React will emit act warnings
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// in tests since mutation observers fire asynchronously. The mutation observer is necessary
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// so we also update if a child component re-renders and adds/removes something tabbable.
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observer.disconnect();
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};
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}
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});
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return isDisabled ? false : hasTabbableChild;
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}
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//# sourceMappingURL=useHasTabbableChild.main.js.map
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