pjbatista / decimal.js-i18n

/*!

 * Copyright (c) 2022 Pedro José Batista, licensed under the MIT License.

 * See the LICENSE.md file in the project root for more information.

 */

import type Decimal from ".";

/**

 * Synchronously extend a Decimal-like constructor with the internationalization support of `decimal.js-i18n`.

 *

 * @param decimalClass Decimal class/constructor to be extended.

 * @returns The augmented class/constructor.

 */

export const extend = (decimalClass: Partial<Decimal.Constructor>) => {

    if (!decimalClass || typeof decimalClass.isDecimal !== "function") {

        throw new TypeError("Invalid Decimal argument.");

    }

    globalThis.__Decimal__Class__Global__ = decimalClass as Decimal.Constructor;

    require("./index");

    delete globalThis.__Decimal__Class__Global__;

    return decimalClass as typeof Decimal;

};

export default extend;