/**
 * Copyright (c) 2013-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 *
 * @providesModule applyEntityToContentBlock
 * @format
 * @flow
 */

'use strict';

import type { BlockNodeRecord } from './BlockNodeRecord';

var CharacterMetadata = require('./CharacterMetadata');

function applyEntityToContentBlock(contentBlock: BlockNodeRecord, start: number, end: number, entityKey: ?string): BlockNodeRecord {
  var characterList = contentBlock.getCharacterList();
  while (start < end) {
    characterList = characterList.set(start, CharacterMetadata.applyEntity(characterList.get(start), entityKey));
    start++;
  }
  return contentBlock.set('characterList', characterList);
}

module.exports = applyEntityToContentBlock;