@clayui/shared/lib/esm/sub.js

ClayShared component

/**
 * SPDX-FileCopyrightText: © 2019 Liferay, Inc. <https://liferay.com>
 * SPDX-License-Identifier: BSD-3-Clause
 */

const SPLIT_REGEX = /({\d+})/g;

/**
 * Utility function for substituting variables into language keys.
 */
export const sub = (langKey, args) => {
  const keyArray = langKey.split(SPLIT_REGEX).filter(val => val.length !== 0);
  for (let i = 0; i < args.length; i++) {
    const arg = args[i];
    const indexKey = `{${i}}`;
    let argIndex = keyArray.indexOf(indexKey);
    while (argIndex >= 0) {
      keyArray.splice(argIndex, 1, arg.toString());
      argIndex = keyArray.indexOf(indexKey);
    }
  }
  return keyArray.join('');
};