Prism Jsdoc

/**
 * @typedef {object} Foo
 * @property {string} bar
 * @memberof Baz
 */

/**
 * Trims the given string.
 *
 * @param {string} [str=""] the string.
 * @returns {string} the trimmed string.
 * @throws {TypeError} if the argument is not a string.
 * @example trim(" hello ")
 */
function trim(str = "") {
	if (typeof str != "string") {
		throw new TypeError("str has to be a string");
	}
	return str.trim();
}