@stylistic/stylelint-plugin/lib/utils/isSingleLineString/index.js

A collection of stylistic/formatting Stylelint rules

/**
 * Checks if a string is a single line (i.e. does not contain any newline characters).
 * @param {string} input - The string to check.
 * @returns {boolean} True if the string is a single line, false otherwise.
 */
export function isSingleLineString (input) {
	return !(/[\n\r]/u).test(input)
}