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import { counter } from "../substring-with-concatenation-of-all-words/counter.ts";
function mostCommonWord(paragraph: string, banned: string[]): string {    const ban = new Set(banned);    const cnt = counter(        [...paragraph.matchAll(/\w+/g)].map((a) => a[0].toLowerCase()),    );    return Array.from(cnt.entries()).filter((k) => !ban.has(k[0])).reduce((        a,        v,    ) => a[1] > v[1] ? a : v)[0];}export default mostCommonWord;