/**

 * Copyright (c) Meta Platforms, Inc. and affiliates.

 *

 * This source code is licensed under the MIT license found in the

 * LICENSE file in the root directory of this source tree.

 *

 * @flow

 */

import {canUseDOM} from 'shared/ExecutionEnvironment';

/**

 * Checks if an event is supported in the current execution environment.

 *

 * NOTE: This will not work correctly for non-generic events such as `change`,

 * `reset`, `load`, `error`, and `select`.

 *

 * Borrows from Modernizr.

 *

 * @param {string} eventNameSuffix Event name, e.g. "click".

 * @return {boolean} True if the event is supported.

 * @internal

 * @license Modernizr 3.0.0pre (Custom Build) | MIT

 */

function isEventSupported(eventNameSuffix: string): boolean {

  if (!canUseDOM) {

    return false;

  }

  const eventName = 'on' + eventNameSuffix;

  let isSupported = eventName in document;

  if (!isSupported) {

    const element = document.createElement('div');

    element.setAttribute(eventName, 'return;');

    isSupported = typeof (element: any)[eventName] === 'function';

  }

  return isSupported;

}

export default isEventSupported;