jodit/src/core/helpers/normalize/normalize-license.ts

Jodit is awesome and usefully wysiwyg editor with filebrowser

/*!
 * Jodit Editor (https://xdsoft.net/jodit/)
 * Released under MIT see LICENSE.txt in the project root for license information.
 * Copyright (c) 2013-2020 Valeriy Chupurnov. All rights reserved. https://xdsoft.net
 */

export const normalizeLicense = (
	license: string,
	count: number = 8
): string => {
	const parts: string[] = [];

	while (license.length) {
		parts.push(license.substr(0, count));
		license = license.substr(count);
	}

	parts[1] = parts[1].replace(/./g, '*');
	parts[2] = parts[2].replace(/./g, '*');

	return parts.join('-');
};