text: 'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _extends = Object.assign || 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; };
  
  exports.getFlattenedObject = getFlattenedObject;
  /*
   * Licensed to Elasticsearch B.V. under one or more contributor
   * license agreements. See the NOTICE file distributed with
   * this work for additional information regarding copyright
   * ownership. Elasticsearch B.V. licenses this file to you under
   * the Apache License, Version 2.0 (the "License"); you may
   * not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *    http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  function shouldReadKeys(value) {
    return typeof value === 'object' && value !== null && !Array.isArray(value);
  }
  
  /**
   *  Flattens a deeply nested object to a map of dot-separated
   *  paths pointing to all primitive values **and arrays**
   *  from `rootValue`.
   *
   *  example:
   *    getFlattenedObject({ a: { b: 1, c: [2,3] } })
   *    // => { 'a.b': 1, 'a.c': [2,3] }
   *
   *  @param {Object} rootValue
   *  @returns {Object}
   */
  function getFlattenedObject(rootValue) {
    if (!shouldReadKeys(rootValue)) {
      throw new TypeError(`Root value is not flatten-able, received ${rootValue}`);
    }
  
    return function flatten(acc, prefix, object) {
      return Object.keys(object).reduce((acc, key) => {
        const value = object[key];
        const path = prefix ? `${prefix}.${key}` : key;
  
        if (shouldReadKeys(value)) {
          return flatten(acc, path, value);
        } else {
          return _extends({}, acc, { [path]: value });
        }
      }, acc);
    }({}, '', rootValue);
  }