js minifier for vim (using Vim::X + perl)

gistfile1.txt

package JsMinifier;
use strict;
use warnings;
use Vim::X;
use JavaScript::Packer;

=head2 .vimrc

  perl push @INC, '/home/hernan/mnt/desktop/home/hernan/mnt/sda4/files/perl/vimx/lib/';
  perl use JsMinifier;
  map ,jsmini :call Vjs_minifier( line("'<"), line("'>") );

=head2 usage in vim

  :call Vjs_minifier( line("'<"), line("'>") , "best" );
  :call Vjs_minifier( line("'<"), line("'>") , "obfuscate" );

=cut

sub Vjs_minifier :Vim(args) {
  my $range_init      = shift;
  my $range_end       = shift;
  my $compress_option = shift||"best";
  my @range = ( $range_init .. $range_end );
  my @lines = map { vim_line($_)->content } @range;
  my $js_src = join "", @lines; 
  vim_delete( @range ); 
  my $packer = JavaScript::Packer->init();
  vim_prepend(
    $packer->minify( \$js_src , { compress => $compress_option } )
  );
}

1;