/**
 * tdesign v0.32.0
 * (c) 2021 tdesign
 * @license MIT
 */

import _defineProperty from '@babel/runtime/helpers/defineProperty';
import _toConsumableArray from '@babel/runtime/helpers/toConsumableArray';

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }

function flatColumns(columns) {
  var result = [];
  columns.forEach(function (column) {
    var children = column.children;

    if (children !== null && children !== void 0 && children.length) {
      result.push.apply(result, _toConsumableArray(flatColumns(children)));
    } else {
      result.push(_objectSpread({}, column));
    }
  });
  return result;
}

export { flatColumns as default };
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