Integrating Full Text Search with supabase

const getFullTextSearchIngredients = async (
  queryString: string | undefined
) => {
  let query = supabase
    .from<SupabaseIngredient>('ingredients')
    .select(
      '*',
      {
        count: 'exact'
      }
    )
    .order('popularity', { ascending: false })
    .limit(20);

  if (queryString) {
    query = query.textSearch('product_name', queryString, {
      type: 'phrase'
    });
  }

  const { data, count, error } = await query;

  if (error) {
    throw new Error(`${error.message}: ${error.details}`);
  }

  if (count === 0) {
    return null;
  }
  return data;
};