tdesign-vue-next/cjs/tree/hooks/useTreeNodes.js

TDesign Component for vue-next

/**
 * tdesign v1.19.2
 * (c) 2026 tdesign
 * @license MIT
 */

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var Vue = require('vue');
require('@babel/runtime/helpers/toConsumableArray');
require('@babel/runtime/helpers/typeof');
require('../../_chunks/dep-35e23c2b.js');
require('../../config-provider/hooks/useConfig.js');
require('@babel/runtime/helpers/slicedToArray');
require('../../_chunks/dep-0989c3be.js');
require('@babel/runtime/helpers/defineProperty');
require('tdesign-icons-vue-next');
require('../../checkbox/index.js');
require('../../loading/index.js');
var treeNode = require('../../_chunks/dep-9092e59c.js');
var tree_treeItem = require('../tree-item.js');
var tree_hooks_useTreeEvents = require('./useTreeEvents.js');
require('../../_chunks/dep-4a7162e7.js');
require('../../_chunks/dep-be1af85d.js');
require('../../_chunks/dep-db9c85b1.js');
require('dayjs');
require('../../_chunks/dep-82fe2026.js');
require('../../_chunks/dep-33b46a52.js');
require('../../_chunks/dep-930a2de5.js');
require('../../_chunks/dep-2dcf9237.js');
require('../../_chunks/dep-22dc294c.js');
require('../../_chunks/dep-bf76dead.js');
require('../../_chunks/dep-c3bbd06c.js');
require('../../_chunks/dep-6d87f74d.js');
require('../../_chunks/dep-4cb26289.js');
require('../../_chunks/dep-281f7eb2.js');
require('../../_chunks/dep-f8f7b1af.js');
require('../../_chunks/dep-66d3f30f.js');
require('../../_chunks/dep-e1d22111.js');
require('../../_chunks/dep-754c0523.js');
require('../../_chunks/dep-7076a08a.js');
require('../../_chunks/dep-631750cd.js');
require('../../_chunks/dep-2fc884aa.js');
require('../../_chunks/dep-75d6da05.js');
require('../../_chunks/dep-274369eb.js');
require('../../_chunks/dep-df6e14a0.js');
require('@babel/runtime/helpers/createClass');
require('@babel/runtime/helpers/classCallCheck');
require('../../checkbox/checkbox.js');
require('../../checkbox/props.js');
require('../../_chunks/dep-1862d466.js');
require('../../_chunks/dep-8d990e66.js');
require('../../_chunks/dep-a6551cc4.js');
require('../../_chunks/dep-7d9abefd.js');
require('../../_chunks/dep-2fb8d44f.js');
require('../../_chunks/dep-80a41429.js');
require('../../_chunks/dep-91305690.js');
require('../../_chunks/dep-0b92e695.js');
require('../../_chunks/dep-b2024592.js');
require('../../_chunks/dep-9f98bf9b.js');
require('../../_chunks/dep-38acad3d.js');
require('../../_chunks/dep-0238ed9a.js');
require('../../_chunks/dep-362c5212.js');
require('../../_chunks/dep-74b143e0.js');
require('../../_chunks/dep-9dbade68.js');
require('../../_chunks/dep-719a33c8.js');
require('../../_chunks/dep-4ba41627.js');
require('../../_chunks/dep-ce9c15f5.js');
require('../../checkbox/constants/index.js');
require('../../checkbox/hooks/useCheckboxLazyLoad.js');
require('../../_chunks/dep-b9a88912.js');
require('../../checkbox/hooks/useKeyboardEvent.js');
require('../../_chunks/dep-a4be1915.js');
require('../../checkbox/group.js');
require('../../checkbox/checkbox-group-props.js');
require('../../_chunks/dep-0cda9fe9.js');
require('../../_chunks/dep-b0334c78.js');
require('../../_chunks/dep-02ea4f3c.js');
require('../../_chunks/dep-a214821d.js');
require('../../_chunks/dep-3d29e358.js');
require('../../_chunks/dep-e3edff33.js');
require('../../_chunks/dep-34cd76d4.js');
require('../../loading/plugin.js');
require('../../_chunks/dep-d632b788.js');
require('../../loading/icon/gradient.js');
require('../../_chunks/dep-2aa3d3cf.js');
require('@babel/runtime/helpers/objectWithoutProperties');
require('../../_chunks/dep-6212811d.js');
require('../../_chunks/dep-44195fb2.js');
require('../../loading/props.js');
require('../../_chunks/dep-43dcd2db.js');
require('../../_chunks/dep-392dde71.js');
require('../../_chunks/dep-5103206f.js');
require('../../_chunks/dep-7707ffe2.js');
require('../../_chunks/dep-74a5bebe.js');
require('../../_chunks/dep-4eca9add.js');
require('../../_chunks/dep-42740075.js');
require('../../_chunks/dep-9ac5c6ca.js');
require('@babel/runtime/helpers/asyncToGenerator');
require('@babel/runtime/regenerator');
require('../../_chunks/dep-692bdebe.js');
require('../../_chunks/dep-5c79e9ef.js');
require('../../_chunks/dep-9a54a293.js');
require('../../_chunks/dep-7870f4cb.js');
require('../../_chunks/dep-95977a93.js');
require('../utils/adapt.js');
require('../../_chunks/dep-0afce170.js');
require('../../_chunks/dep-c26a7d50.js');
require('../../_chunks/dep-0a08dbbf.js');
require('../../_chunks/dep-0349078b.js');
require('../../_chunks/dep-e2122882.js');
require('../../_chunks/dep-27729d32.js');
require('../../_chunks/dep-79476fcb.js');
require('../../_chunks/dep-027cd76f.js');
require('../../_chunks/dep-ae4040c5.js');
require('./useItemState.js');
require('./useTreeItem.js');
require('./useItemEvents.js');
require('./useRenderIcon.js');
require('../utils/index.js');
require('./useRenderLabel.js');
require('./useRenderLine.js');
require('./useRenderOperations.js');
require('./useDraggable.js');
require('./useTreeAction.js');

function useTreeNodes(state) {
  var store = state.store,
    scope = state.scope,
    allNodes = state.allNodes,
    nodes = state.nodes,
    virtualConfig = state.virtualConfig;
  var _useTreeEvents = tree_hooks_useTreeEvents["default"](state),
    handleClick = _useTreeEvents.handleClick,
    handleChange = _useTreeEvents.handleChange;
  var nodesEmpty = Vue.ref(false);
  var cacheMap = /* @__PURE__ */new Map();
  var refresh = function refresh() {
    allNodes.value = store.getNodes();
  };
  var refreshVisibleNodes = function refreshVisibleNodes() {
    var isVirtual = virtualConfig === null || virtualConfig === void 0 ? void 0 : virtualConfig.isVirtualScroll.value;
    if (isVirtual) return;
    var list = [];
    var hasVisibleNode = false;
    allNodes.value.forEach(function (node) {
      if (node.visible) {
        hasVisibleNode = true;
        cacheMap.set(node.value, node.value);
      }
      if (cacheMap.has(node.value)) {
        list.push(node);
      }
    });
    cacheMap.forEach(function (value) {
      if (!store.getNode(value)) {
        cacheMap["delete"](value);
      }
    });
    nodes.value = list;
    nodesEmpty.value = !hasVisibleNode;
  };
  var refreshVirtualNodes = function refreshVirtualNodes() {
    var isVirtual = virtualConfig === null || virtualConfig === void 0 ? void 0 : virtualConfig.isVirtualScroll.value;
    if (!isVirtual) return;
    var list = virtualConfig.visibleData.value;
    nodes.value = list;
    nodesEmpty.value = list.length <= 0;
  };
  var renderItem = function renderItem(h, node, index, stateId) {
    var rowIndex = node.VIRTUAL_SCROLL_INDEX || index;
    var nodeUniqueId = node[treeNode.privateKey];
    var treeItem = Vue.createVNode(tree_treeItem["default"], {
      "key": nodeUniqueId,
      "rowIndex": rowIndex,
      "stateId": stateId,
      "itemKey": nodeUniqueId,
      "treeScope": scope,
      "onClick": handleClick,
      "onChange": handleChange
    }, null);
    return treeItem;
  };
  var renderTreeNodes = function renderTreeNodes(h) {
    var stateId = "render-".concat(new Date().getTime());
    var treeNodeViews = nodes.value.map(function (node, index) {
      return renderItem(h, node, index, stateId);
    });
    return treeNodeViews;
  };
  Vue.watch(allNodes, refreshVisibleNodes);
  Vue.watch(virtualConfig.visibleData, refreshVirtualNodes);
  refresh();
  refreshVisibleNodes();
  refreshVirtualNodes();
  store.emitter.on("update", refresh);
  return {
    nodesEmpty: nodesEmpty,
    renderTreeNodes: renderTreeNodes
  };
}

exports["default"] = useTreeNodes;
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