A Fuzzy, Fuzzy Find

fuzzfind_v1.js

/**
* Takes a search term input, and returns a filtered array of results
*/
const getFuzzyFindResults = (searchTerm, array) => {
  let segments = searchTerm.split('');
  return array.filter(string => {
    let matches = segments.reduce((arr, seg, idx) => {
      let lcString = string.toLowerCase();
      let lcSeg = seg.toLowerCase();
      let arrLen = arr.length;
      let match;
      if (arrLen) {
        match = lcString.indexOf(lcSeg, (arr[arrLen - 1] + 1));
      } else {
        match = lcString.indexOf(lcSeg, arrLen);
      }
      arr.push(match);
      return arr;
    }, []);
    return matches.every(item => item >= 0);
  });
};

fuzzfind_v2.js

const getFuzzyFindResults = (searchTerm, array) => {
  let haystack = `/${array.join('/')}/`;
  let find = searchTerm.split('').join('\\w*');
  let needle = new RegExp('[^\\/]*\\w*' + find + '\\w*[^\\/]*', 'gmi');
  return haystack.match(needle);
};