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

TDesign Component for vue-next

/**
 * tdesign v1.20.2
 * (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-449273df.js');
require('../../config-provider/hooks/useConfig.js');
require('@babel/runtime/helpers/slicedToArray');
require('../../_chunks/dep-497fc9a5.js');
require('@babel/runtime/helpers/defineProperty');
require('tdesign-icons-vue-next');
require('../../checkbox/index.js');
require('../../loading/index.js');
var treeNode = require('../../_chunks/dep-6f04645f.js');
var tree_treeItem = require('../tree-item.js');
var tree_hooks_useTreeEvents = require('./useTreeEvents.js');
require('../../_chunks/dep-f9b59444.js');
require('../../_chunks/dep-31abb282.js');
require('../../_chunks/dep-c71a9cd7.js');
require('dayjs');
require('../../_chunks/dep-39529ef1.js');
require('../../_chunks/dep-f4c1cb5b.js');
require('../../_chunks/dep-4896d30f.js');
require('../../_chunks/dep-80827572.js');
require('../../_chunks/dep-2610df9f.js');
require('../../_chunks/dep-2c7a67b8.js');
require('../../_chunks/dep-db6459dd.js');
require('../../_chunks/dep-4d7a3a91.js');
require('../../_chunks/dep-6e64ef0e.js');
require('../../_chunks/dep-959f4847.js');
require('../../_chunks/dep-ae380218.js');
require('../../_chunks/dep-fdac7521.js');
require('../../_chunks/dep-df5442c5.js');
require('../../_chunks/dep-141cbae1.js');
require('../../_chunks/dep-c277c7cb.js');
require('../../_chunks/dep-7653f80f.js');
require('../../_chunks/dep-6e7a2100.js');
require('@babel/runtime/helpers/createClass');
require('@babel/runtime/helpers/classCallCheck');
require('../../checkbox/checkbox.js');
require('../../checkbox/props.js');
require('../../_chunks/dep-c0cb4d13.js');
require('../../_chunks/dep-51846987.js');
require('../../_chunks/dep-be760bc2.js');
require('../../_chunks/dep-9dfd682d.js');
require('../../_chunks/dep-2db31625.js');
require('../../_chunks/dep-0a17438d.js');
require('../../_chunks/dep-5090b515.js');
require('../../_chunks/dep-39313d05.js');
require('../../_chunks/dep-f9bc7c82.js');
require('../../_chunks/dep-1c6213b5.js');
require('../../_chunks/dep-cfdee5e7.js');
require('../../_chunks/dep-9ada3ec1.js');
require('../../_chunks/dep-95cb1381.js');
require('../../_chunks/dep-a2e46896.js');
require('../../_chunks/dep-6512c9d2.js');
require('../../_chunks/dep-f02d9258.js');
require('../../_chunks/dep-3cd26986.js');
require('../../_chunks/dep-e3eb5659.js');
require('../../_chunks/dep-d0227fbe.js');
require('../../checkbox/constants/index.js');
require('../../checkbox/hooks/useCheckboxLazyLoad.js');
require('../../_chunks/dep-12e6ec24.js');
require('../../checkbox/hooks/useKeyboardEvent.js');
require('../../_chunks/dep-2e8277b1.js');
require('../../checkbox/group.js');
require('../../checkbox/checkbox-group-props.js');
require('../../_chunks/dep-cec24bbf.js');
require('../../_chunks/dep-f786e1df.js');
require('../../_chunks/dep-bd59ca66.js');
require('../../_chunks/dep-618d56e7.js');
require('../../_chunks/dep-2cf25d25.js');
require('../../_chunks/dep-abc005aa.js');
require('../../_chunks/dep-203a5570.js');
require('../../loading/plugin.js');
require('../../_chunks/dep-3231adce.js');
require('../../loading/icon/gradient.js');
require('../../_chunks/dep-cce7af6a.js');
require('@babel/runtime/helpers/objectWithoutProperties');
require('../../_chunks/dep-6130f266.js');
require('../../_chunks/dep-3ffe18b0.js');
require('../../_chunks/dep-e41b3434.js');
require('../../loading/props.js');
require('../../_chunks/dep-e46285c0.js');
require('../../_chunks/dep-54801354.js');
require('../../_chunks/dep-f7508ffa.js');
require('../../_chunks/dep-470f211b.js');
require('../../_chunks/dep-9b549c85.js');
require('../../_chunks/dep-e25ae470.js');
require('../../_chunks/dep-bed84553.js');
require('../../_chunks/dep-a4b963ab.js');
require('@babel/runtime/helpers/asyncToGenerator');
require('@babel/runtime/regenerator');
require('../../_chunks/dep-b4528c21.js');
require('../../_chunks/dep-e129d089.js');
require('../../_chunks/dep-ceabf07b.js');
require('../../_chunks/dep-ed620b03.js');
require('../../_chunks/dep-75d3928f.js');
require('../../_chunks/dep-37eb0be5.js');
require('../../_chunks/dep-e600142f.js');
require('../../_chunks/dep-64b2629b.js');
require('../utils/adapt.js');
require('../../_chunks/dep-4b52068a.js');
require('../../_chunks/dep-88ae5d8a.js');
require('../../_chunks/dep-387cd58a.js');
require('../../_chunks/dep-cc45da9e.js');
require('../../_chunks/dep-ba2511b0.js');
require('../../_chunks/dep-801a06fe.js');
require('../../_chunks/dep-f3377589.js');
require('../../_chunks/dep-71d9daf0.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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