/**

 * 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

 */

// When passing user input into querySelector(All) the embedded string must not alter

// the semantics of the query. This escape function is safe to use when we know the

// provided value is going to be wrapped in double quotes as part of an attribute selector

// Do not use it anywhere else

// we escape double quotes and backslashes

const escapeSelectorAttributeValueInsideDoubleQuotesRegex = /[\n\"\\]/g;

export default function escapeSelectorAttributeValueInsideDoubleQuotes(

  value: string,

): string {

  return value.replace(

    escapeSelectorAttributeValueInsideDoubleQuotesRegex,

    ch => '\\' + ch.charCodeAt(0).toString(16) + ' ',

  );

}