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package Plack::Middleware::Assets::RailsLike::Compiler; |
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227411
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use strict; |
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use warnings; |
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use Carp (); |
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3747
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use CSS::LESSp (); |
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3700
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use CSS::Minifier::XS (); |
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use Errno (); |
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use File::Slurp; |
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use File::Spec::Functions qw(catdir catfile canonpath); |
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3594
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use JavaScript::Minifier::XS (); |
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use Text::Sass::XS qw(:const); |
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sub new { |
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my $class = shift; |
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my %args = ( |
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minify => 0, |
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search_path => ['.'], |
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@_ |
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); |
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my $self = bless \%args, $class; |
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$self->{sass_compiler} = Text::Sass::XS->new( |
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output_style => SASS_STYLE_COMPRESSED, |
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source_comments => SASS_SOURCE_COMMENTS_NONE, |
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include_paths => $self->{search_path}, |
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image_path => undef, # TBD require option? |
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); |
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return $self; |
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} |
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sub compile { |
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my $self = shift; |
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my %args = ( |
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manifest => undef, |
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type => 'js', |
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@_ |
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); |
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my $content = $args{manifest}; |
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if ( $args{type} eq 'css' ) { |
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my $css_comment = qr! |
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/\* |
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.*? |
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(?:\r?\n) |
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((?:\*= .+(?:\r?\n)){1,}) |
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\*/ |
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!x; |
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$content =~ s{$css_comment}{$1}g; |
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} |
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my $parser = qr{ |
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^ |
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(?://|\*)= |
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\s+ |
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(require) # commands |
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\s+ |
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([0-9a-zA-Z_\-./]+) # basename |
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\s* |
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$ |
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}xms; |
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$content |
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=~ s/$parser/my $cmd = "_cmd_$1"; $self->$cmd($2, $args{type})/ge; |
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100
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$content = $self->_minify( $content, $args{type} ) if $self->{minify}; |
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return $content; |
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} |
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sub _cmd_require { |
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my $self = shift; |
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my ( $file, $type ) = @_; |
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my @search_path = @{ $self->{search_path} }; |
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my @type = $type eq 'js' ? qw(js) : qw(css scss sass less); |
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for my $path (@search_path) { |
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for my $type (@type) { |
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my $filename = canonpath( |
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catfile( $path, sprintf( '%s.%s', $file, $type ) ) ); |
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my $buff; |
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read_file( $filename, buf_ref => \$buff, err_mode => sub { } ); |
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0
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100
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3787
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unless ($!) { |
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my $content; |
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if ( $type eq 'scss' ) { |
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1
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$content = $self->{sass_compiler}->scss2css($buff); |
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} |
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elsif ( $type eq 'sass' ) { |
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1
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$content = $self->{sass_compiler}->sass2css($buff); |
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} |
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elsif ( $type eq 'less' ) { |
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1
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8
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$content = join '', CSS::LESSp->parse($buff); |
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} |
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else { |
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$content = $buff; |
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} |
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102
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65993
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chomp $content; |
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return $content; |
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} |
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elsif ( $! == Errno::ENOENT ) { |
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next; |
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} |
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else { |
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0
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0
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Carp::carp("read_file '$filename' failed - $!"); |
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0
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0
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return; |
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} |
112
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} |
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} |
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115
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0
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0
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Carp::carp( sprintf "requires '%s' failed - No such file in %s", |
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$file, join( ', ', @search_path ) ); |
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} |
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119
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sub _minify { |
120
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6
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6
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10
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my $self = shift; |
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6
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my ( $content, $type ) = @_; |
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6
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100
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16
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if ( $type eq 'js' ) { |
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3
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57
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$content = JavaScript::Minifier::XS::minify($content); |
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} |
125
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else { |
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3
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58
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$content = CSS::Minifier::XS::minify($content); |
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} |
128
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6
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16
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return $content; |
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} |
130
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131
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1; |