/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @format
 * @flow
 * @emails oncall+draft_js
 */
'use strict';

import type DraftEntityInstance from "./DraftEntityInstance";
import type { OrderedMap } from "immutable"; // TODO: when removing the deprecated API update this to use the EntityMap type
// instead of OrderedMap

let key = 0;

function addEntityToEntityMap(entityMap: OrderedMap<*, *>, instance: DraftEntityInstance): OrderedMap<*, *> {
  return entityMap.set(`${++key}`, instance);
}

module.exports = addEntityToEntityMap;