node_modules/stylelint/lib/utils/isSingleLineString.js

/* @flow */
"use strict";

/**
 * Check if a string is a single line (i.e. does not contain
 * any newline characters).
 *
 * @param {string} input
 * @return {boolean}
 */
module.exports = function(input /*: string*/) /*: boolean*/ {
  return !/[\n\r]/.test(input);
};