/**

 * 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

 */

/**

 * @see http://www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html#input-type-attr-summary

 */

const supportedInputTypes: {[key: string]: true | void, ...} = {

  color: true,

  date: true,

  datetime: true,

  'datetime-local': true,

  email: true,

  month: true,

  number: true,

  password: true,

  range: true,

  search: true,

  tel: true,

  text: true,

  time: true,

  url: true,

  week: true,

};

function isTextInputElement(elem: ?HTMLElement): boolean {

  const nodeName = elem && elem.nodeName && elem.nodeName.toLowerCase();

  if (nodeName === 'input') {

    return !!supportedInputTypes[((elem: any): HTMLInputElement).type];

  }

  if (nodeName === 'textarea') {

    return true;

  }

  return false;

}

export default isTextInputElement;