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JavaScript

'use client';
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "useCarouselWalker_unstable", {
enumerable: true,
get: function() {
return useCarouselWalker_unstable;
}
});
const _interop_require_wildcard = require("@swc/helpers/_/_interop_require_wildcard");
const _react = /*#__PURE__*/ _interop_require_wildcard._(require("react"));
const _reactutilities = require("@fluentui/react-utilities");
const _reactsharedcontexts = require("@fluentui/react-shared-contexts");
const _constants = require("./constants");
const useCarouselWalker_unstable = ()=>{
const { targetDocument } = (0, _reactsharedcontexts.useFluent_unstable)();
const treeWalkerRef = _react.useRef(targetDocument === null || targetDocument === void 0 ? void 0 : targetDocument.createTreeWalker(targetDocument.body));
const htmlRef = _react.useRef(null);
const ref = _react.useCallback((el)=>{
if (!targetDocument) {
return;
}
if (!el) {
return;
}
htmlRef.current = el;
treeWalkerRef.current = targetDocument.createTreeWalker(el, NodeFilter.SHOW_ELEMENT, {
acceptNode (node) {
if (!(0, _reactutilities.isHTMLElement)(node)) {
return NodeFilter.FILTER_SKIP;
}
return node.hasAttribute(_constants.CAROUSEL_ITEM) ? NodeFilter.FILTER_ACCEPT : NodeFilter.FILTER_SKIP;
}
});
}, [
targetDocument
]);
return {
ref,
walker: _react.useMemo(()=>({
active () {
if (!htmlRef.current) {
return null;
}
const activeEl = htmlRef.current.querySelector(`[${_constants.CAROUSEL_ACTIVE_ITEM}="true"]`);
if ((0, _reactutilities.isHTMLElement)(activeEl)) {
return {
el: activeEl,
value: activeEl.getAttribute(_constants.CAROUSEL_ITEM)
};
}
return null;
},
find (value) {
var _treeWalkerRef_current;
if (!((_treeWalkerRef_current = treeWalkerRef.current) === null || _treeWalkerRef_current === void 0 ? void 0 : _treeWalkerRef_current.currentNode) || !htmlRef.current) {
return null;
}
treeWalkerRef.current.currentNode = htmlRef.current;
let nextNode = null;
while(nextNode = treeWalkerRef.current.nextNode()){
if (!(0, _reactutilities.isHTMLElement)(nextNode)) {
continue;
}
if (nextNode.getAttribute(_constants.CAROUSEL_ITEM) === value) {
return {
el: nextNode,
value: nextNode.getAttribute(_constants.CAROUSEL_ITEM)
};
}
}
return null;
},
nextPage (value) {
var _treeWalkerRef_current;
const res = this.find(value);
if (!res || !((_treeWalkerRef_current = treeWalkerRef.current) === null || _treeWalkerRef_current === void 0 ? void 0 : _treeWalkerRef_current.currentNode)) {
return null;
}
treeWalkerRef.current.currentNode = res.el;
const next = treeWalkerRef.current.nextNode();
if ((0, _reactutilities.isHTMLElement)(next)) {
return {
el: next,
value: next.getAttribute(_constants.CAROUSEL_ITEM)
};
}
return null;
},
prevPage (value) {
var _treeWalkerRef_current;
const res = this.find(value);
if (!res || !((_treeWalkerRef_current = treeWalkerRef.current) === null || _treeWalkerRef_current === void 0 ? void 0 : _treeWalkerRef_current.currentNode)) {
return null;
}
treeWalkerRef.current.currentNode = res.el;
const next = treeWalkerRef.current.previousNode();
if ((0, _reactutilities.isHTMLElement)(next)) {
return {
el: next,
value: next.getAttribute(_constants.CAROUSEL_ITEM)
};
}
return null;
}
}), [])
};
};