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/**
 * 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 strict-local
 * @emails oncall+draft_js
 */
'use strict';

import type DraftEditor from "./DraftEditor.react";

const UserAgent = require("fbjs/lib/UserAgent");

const onBeforeInput = require("./editOnBeforeInput");

const onBlur = require("./editOnBlur");

const onCompositionStart = require("./editOnCompositionStart");

const onCopy = require("./editOnCopy");

const onCut = require("./editOnCut");

const onDragOver = require("./editOnDragOver");

const onDragStart = require("./editOnDragStart");

const onFocus = require("./editOnFocus");

const onInput = require("./editOnInput");

const onKeyDown = require("./editOnKeyDown");

const onPaste = require("./editOnPaste");

const onSelect = require("./editOnSelect");

const isChrome = UserAgent.isBrowser('Chrome');
const isFirefox = UserAgent.isBrowser('Firefox');
const selectionHandler: (e: DraftEditor) => void = isChrome || isFirefox ? onSelect : e => {};
const DraftEditorEditHandler = {
  onBeforeInput,
  onBlur,
  onCompositionStart,
  onCopy,
  onCut,
  onDragOver,
  onDragStart,
  onFocus,
  onInput,
  onKeyDown,
  onPaste,
  onSelect,
  // In certain cases, contenteditable on chrome does not fire the onSelect
  // event, causing problems with cursor positioning. Therefore, the selection
  // state update handler is added to more events to ensure that the selection
  // state is always synced with the actual cursor positions.
  onMouseUp: selectionHandler,
  onKeyUp: selectionHandler
};
module.exports = DraftEditorEditHandler;