tdesign-vue-next/lib/tree/hooks/useRenderLine.js

TDesign Component for vue-next

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

import { createVNode } from 'vue';
import 'lodash-es';
import '@babel/runtime/helpers/toConsumableArray';
import '@babel/runtime/helpers/typeof';
import '../../_chunks/dep-c68ea098.js';
import { u as usePrefixClass } from '../../_chunks/dep-e8dd47a9.js';
import '@babel/runtime/helpers/slicedToArray';
import '../../_chunks/dep-91fc762d.js';
import '@babel/runtime/helpers/defineProperty';
import 'tdesign-icons-vue-next';
import '../../checkbox/index.js';
import '../../loading/index.js';
import '@babel/runtime/helpers/asyncToGenerator';
import '@babel/runtime/helpers/classCallCheck';
import '@babel/runtime/helpers/createClass';
import '@babel/runtime/regenerator';
import { getTNode } from '../utils/index.js';
import '../../_chunks/dep-f0f392fb.js';
import '../../config-provider/hooks/useConfig.js';
import '../../config-provider/utils/context.js';
import '../../_chunks/dep-509ddbe3.js';
import 'dayjs';
import '../../checkbox/checkbox.js';
import '../../checkbox/props.js';
import '../../_chunks/dep-7bdccf65.js';
import '../../_chunks/dep-d518fdfb.js';
import '../../_chunks/dep-8d4d971b.js';
import '../../_chunks/dep-98d89c71.js';
import '../../_chunks/dep-2ba9b7d0.js';
import '../../_chunks/dep-8be9c790.js';
import '../../_chunks/dep-d67d6f8a.js';
import '../../_chunks/dep-ef7a41ce.js';
import '../../_chunks/dep-e332908e.js';
import '../../checkbox/constants/index.js';
import '../../checkbox/hooks/useCheckboxLazyLoad.js';
import '../../_chunks/dep-6f148007.js';
import '../../checkbox/hooks/useKeyboardEvent.js';
import '../../_chunks/dep-e9e05226.js';
import '../../checkbox/group.js';
import '../../checkbox/checkbox-group-props.js';
import '../../_chunks/dep-b36a4e94.js';
import '../../_chunks/dep-ae3e94b6.js';
import '../../loading/directive.js';
import '../../loading/plugin.js';
import '../../_chunks/dep-2a7145b5.js';
import '../../loading/icon/gradient.js';
import '../../_chunks/dep-fbf70ecb.js';
import '@babel/runtime/helpers/objectWithoutProperties';
import '../../loading/props.js';

function useRenderLine(state) {
  var componentName = usePrefixClass("tree").value;
  var renderLine = function renderLine(h) {
    var node = state.node,
      treeScope = state.treeScope;
    var scopedSlots = treeScope.scopedSlots;
    var treeProps = (treeScope === null || treeScope === void 0 ? void 0 : treeScope.treeProps) || {};
    var line = treeProps.line;
    var iconVisible = !!treeProps.icon;
    var lineNode = null;
    if (line === true) {
      if (scopedSlots !== null && scopedSlots !== void 0 && scopedSlots.line) {
        lineNode = scopedSlots.line({
          node: node === null || node === void 0 ? void 0 : node.getModel()
        });
      } else if (node.parent && node.tree) {
        var vmIsLeaf = node.vmIsLeaf,
          vmIsFirst = node.vmIsFirst,
          level = node.level;
        var lineClasses = [];
        lineClasses.push("".concat(componentName, "__line"));
        if (vmIsLeaf || !iconVisible) {
          lineClasses.push("".concat(componentName, "__line--leaf"));
        }
        if (vmIsFirst && iconVisible) {
          lineClasses.push("".concat(componentName, "__line--first"));
        }
        var shadowStyles = [];
        var parents = node.getParents();
        parents.pop();
        parents.forEach(function (pnode, index) {
          if (!pnode.vmIsLast) {
            shadowStyles.push("calc(-".concat(index + 1, " * var(--space)) 0 var(--color)"));
          }
        });
        var styles = {
          "--level": level ? String(level) : void 0,
          "box-shadow": shadowStyles.join(",")
        };
        lineNode = createVNode("span", {
          "class": lineClasses,
          "style": styles
        }, null);
      }
    } else {
      lineNode = getTNode(line, {
        createElement: h,
        node: node
      });
    }
    return lineNode;
  };
  return {
    renderLine: renderLine
  };
}

export { useRenderLine as default };
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