deriv-com / deriv-com-v2 / 7326480845

  query: string,

  items: string[],

  maxDistance = 2,

) => {

  const matches = closestMatch(query, items, true);

  const finalMatches: string[] = [];

  if (Array.isArray(matches)) {

    matches.forEach((match) => {

      let lowestDistance = 10;

      let stringExist = false;

      match.split(' ').forEach((m) => {

        const dist = distance(query, m);

        if (lowestDistance > dist) {

          lowestDistance = dist;

        }

        if (m.toLowerCase().includes(query.toLowerCase())) {

          stringExist = true;

        }

      });

      if (

        lowestDistance <= maxDistance ||

        stringExist ||

        match.toLowerCase().includes(query.toLowerCase())

      ) {

        finalMatches.push(match);

      }

    });

    // Merge other exact matches inside the string

    const otherMatches = items.filter((e) =>

      e.toLowerCase().includes(query.toLowerCase()),

    );

    return Array.from(new Set(otherMatches.concat(finalMatches)));

  }

  return [];

};