@td-design/react-native/lib/module/tree/index.js

react-native UI组件库

function _extends() { _extends = Object.assign ? Object.assign.bind() : function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
import React from 'react';
import { ScrollView } from 'react-native';
import TreeGroup from './TreeGroup';
import TreeNode from './TreeNode';
import { useTree } from './useTree';
const Tree = _ref => {
  let {
    data,
    style,
    nodeStyle,
    checkable = true,
    activeOpacity = 0.6,
    checkedKeys,
    defaultCheckedKeys,
    onCheck,
    defaultExpandedKeys,
    expandedKeys,
    expandAll,
    onExpand,
    customExpandIcon
  } = _ref;
  const {
    currentKeys,
    openedKeys,
    flatData,
    handleCheck,
    handleExpand
  } = useTree({
    data,
    checkable,
    checkedKeys,
    defaultCheckedKeys,
    onCheck,
    defaultExpandedKeys,
    expandedKeys,
    expandAll,
    onExpand
  });
  const renderItem = (item, level) => {
    if (item.items && Array.isArray(item.items) && item.items.length > 0) {
      return /*#__PURE__*/React.createElement(TreeGroup, _extends({
        key: item.id
      }, item, {
        level,
        checkable,
        currentKeys,
        openedKeys,
        handleCheck,
        handleExpand,
        customExpandIcon,
        flatData,
        activeOpacity,
        nodeStyle
      }), item.items.map(item => renderItem(item, level + 1)));
    }
    return /*#__PURE__*/React.createElement(TreeNode, _extends({
      key: item.id
    }, item, {
      level,
      checkable,
      currentKeys,
      handleCheck,
      activeOpacity,
      nodeStyle
    }));
  };
  return /*#__PURE__*/React.createElement(ScrollView, {
    bounces: false,
    horizontal: false,
    showsVerticalScrollIndicator: false,
    style: style
  }, data.map(item => renderItem(item, 1)));
};
Tree.displayName = 'Tree';
export default Tree;
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