"use strict";

var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.convertChildrenToData = convertChildrenToData;

var _objectSpread2 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread2"));

var _objectWithoutProperties2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutProperties"));

var React = _interopRequireWildcard(require("react"));

var _toArray = _interopRequireDefault(require("rc-util/lib/Children/toArray"));

function convertNodeToOption(node) {
  var key = node.key,
      _node$props = node.props,
      children = _node$props.children,
      value = _node$props.value,
      restProps = (0, _objectWithoutProperties2.default)(_node$props, ["children", "value"]);
  return (0, _objectSpread2.default)({
    key: key,
    value: value !== undefined ? value : key,
    children: children
  }, restProps);
}

function convertChildrenToData(nodes) {
  var optionOnly = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  return (0, _toArray.default)(nodes).map(function (node, index) {
    if (!React.isValidElement(node) || !node.type) {
      return null;
    }

    var isSelectOptGroup = node.type.isSelectOptGroup,
        key = node.key,
        _node$props2 = node.props,
        children = _node$props2.children,
        restProps = (0, _objectWithoutProperties2.default)(_node$props2, ["children"]);

    if (optionOnly || !isSelectOptGroup) {
      return convertNodeToOption(node);
    }

    return (0, _objectSpread2.default)((0, _objectSpread2.default)({
      key: "__RC_SELECT_GRP__".concat(key === null ? index : key, "__"),
      label: key
    }, restProps), {}, {
      options: convertChildrenToData(children)
    });
  }).filter(function (data) {
    return data;
  });
}