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import { levenshtein } from "../deps.ts";
export function didYouMean(wrongStr: string, strings: string[]): string | null {  const suggestion = strings.reduce((closest: any, name, index) => {    const distance = levenshtein(wrongStr, name);    if (      distance < wrongStr.length &&      (closest == null || distance < (<any> closest).distance)    ) {      return { index, distance };    }    return closest;  }, null);  return suggestion ? strings[suggestion.index] : null;}