Exercise: find the longest word in a sentence

longestWord.ts

const longestWord = (str: string): void => {
	if (str?.length === 0) return;
	const words: string[] = str.split(" ");
	const longest: string = words.reduce(
		(a, b) => (b.length > a.length ? b : a),
		"",
	);
	console.log(longest.length, longest);
};

longestWord("The quick brown fox jumped over the lazy dog");