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

TDesign Component for vue-next

/**
 * tdesign v1.15.2
 * (c) 2025 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-040b3cbb.js');
require('../../config-provider/hooks/useConfig.js');
require('@babel/runtime/helpers/slicedToArray');
require('../../_chunks/dep-682444b3.js');
require('@babel/runtime/helpers/defineProperty');
require('tdesign-icons-vue-next');
require('../../checkbox/index.js');
require('../../loading/index.js');
var treeNode = require('../../_chunks/dep-c511b9cd.js');
var tree_treeItem = require('../tree-item.js');
var tree_hooks_useTreeEvents = require('./useTreeEvents.js');
require('../../_chunks/dep-0f5dd876.js');
require('../../_chunks/dep-ee4f84a5.js');
require('../../_chunks/dep-66f974a3.js');
require('dayjs');
require('../../_chunks/dep-5e94db90.js');
require('../../_chunks/dep-2f309208.js');
require('../../_chunks/dep-7154c044.js');
require('../../_chunks/dep-3e1aa2e0.js');
require('../../_chunks/dep-79f734cc.js');
require('../../_chunks/dep-63ff6e12.js');
require('../../_chunks/dep-020c2a7e.js');
require('../../_chunks/dep-79cd6be1.js');
require('../../_chunks/dep-41b6fe49.js');
require('../../_chunks/dep-ce0157af.js');
require('../../_chunks/dep-06f7d92f.js');
require('../../_chunks/dep-0c415789.js');
require('../../_chunks/dep-57045e93.js');
require('../../_chunks/dep-c66679ef.js');
require('../../_chunks/dep-3df90229.js');
require('../../_chunks/dep-93426c60.js');
require('../../_chunks/dep-c6c5ec69.js');
require('../../_chunks/dep-1ec17e27.js');
require('../../_chunks/dep-15b276e6.js');
require('../../_chunks/dep-4d3ddec0.js');
require('../../_chunks/dep-d0f125b5.js');
require('@babel/runtime/helpers/createClass');
require('@babel/runtime/helpers/classCallCheck');
require('../../checkbox/checkbox.js');
require('../../checkbox/props.js');
require('../../_chunks/dep-9b6bbd57.js');
require('../../_chunks/dep-0a9c2d75.js');
require('../../_chunks/dep-eada02ce.js');
require('../../_chunks/dep-d388e00e.js');
require('../../_chunks/dep-15ce91d8.js');
require('../../_chunks/dep-baaf07d6.js');
require('../../_chunks/dep-27e5c925.js');
require('../../_chunks/dep-13d731e3.js');
require('../../_chunks/dep-7cb54b29.js');
require('../../_chunks/dep-2544aa61.js');
require('../../_chunks/dep-8848ca1b.js');
require('../../_chunks/dep-ac087407.js');
require('../../_chunks/dep-ffd5bd7c.js');
require('../../_chunks/dep-1532a597.js');
require('../../_chunks/dep-e4a93457.js');
require('../../_chunks/dep-0e845ebd.js');
require('../../_chunks/dep-6097d12c.js');
require('../../_chunks/dep-00be0637.js');
require('../../checkbox/consts/index.js');
require('../../checkbox/hooks/useCheckboxLazyLoad.js');
require('../../_chunks/dep-dd949e1b.js');
require('../../checkbox/hooks/useKeyboardEvent.js');
require('../../_chunks/dep-4045ff88.js');
require('../../checkbox/group.js');
require('../../checkbox/checkbox-group-props.js');
require('../../_chunks/dep-cfa5d4ff.js');
require('../../_chunks/dep-1607fcdf.js');
require('../../_chunks/dep-70bb30fa.js');
require('../../_chunks/dep-816a752f.js');
require('../../_chunks/dep-2ab243e3.js');
require('../../_chunks/dep-0ff81c06.js');
require('../../_chunks/dep-32dc80e0.js');
require('../../loading/plugin.js');
require('../../_chunks/dep-9523c147.js');
require('../../loading/icon/gradient.js');
require('../../_chunks/dep-faba77b7.js');
require('@babel/runtime/helpers/objectWithoutProperties');
require('../../_chunks/dep-def9c618.js');
require('../../_chunks/dep-d47112ce.js');
require('../../loading/props.js');
require('../../_chunks/dep-de22f208.js');
require('../../_chunks/dep-7d172afa.js');
require('../../_chunks/dep-02dd9454.js');
require('../../_chunks/dep-2bfd653a.js');
require('../../_chunks/dep-4a827320.js');
require('../../_chunks/dep-bd33cda1.js');
require('../../_chunks/dep-5c27b967.js');
require('../../_chunks/dep-304b5191.js');
require('@babel/runtime/helpers/asyncToGenerator');
require('@babel/runtime/regenerator');
require('../../_chunks/dep-8d4fdd76.js');
require('../../_chunks/dep-f29f22c2.js');
require('../../_chunks/dep-421d07b8.js');
require('../../_chunks/dep-c78b3175.js');
require('../../_chunks/dep-56c54425.js');
require('../utils/adapt.js');
require('../../_chunks/dep-bf717a05.js');
require('../../_chunks/dep-4c12d7dc.js');
require('../../_chunks/dep-296cc573.js');
require('../../_chunks/dep-8ab09a7d.js');
require('../../_chunks/dep-b048575a.js');
require('../../_chunks/dep-4007ed52.js');
require('../../_chunks/dep-770305d5.js');
require('../../_chunks/dep-d2306059.js');
require('../../_chunks/dep-37ade253.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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