node_modules/stylelint/lib/utils/hasEmptyLine.js

'use strict';

/**
 * Check if a string contains at least one empty line
 *
 * @param {string | undefined} string
 * @returns {boolean}
 */
module.exports = function (string) {
	if (string === '' || string === undefined) return false;

	return /\n[\r\t ]*\n/.test(string);
};