@function mapReverse ($map) {
  $result: null;

  @if type-of($map) == "map" {
    $keys: map-keys($map);
    $map-reversed: ();

    @for $i from length($keys) through 1 {
      $map-reversed: map-merge(
        $map-reversed,
        (nth($keys, $i): map-get($map, nth($keys, $i)))
      );
    }

    @if type-of($map-reversed) == "map" {
      $result: $map-reversed;
    } @else {
      @warn 'There was an error reversing the order of "#{$map}"';
    }
    
  } @else {
    @warn '"#{$map}" is not a valid map';
  }

  @return $result;
}