File: pkgjs-ls

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pkg-js-tools 0.16.0
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#!/usr/bin/perl

use strict;
use Getopt::Long;
use Debian::PkgJs::Version;
use Debian::PkgJs::Banned;
use Debian::PkgJs::Semver;
use Debian::PkgJs::Utils;
use JSON;

my %opt;

GetOptions( \%opt, 'h|help', 'v|version', 'json', 'dev|development',
    'prod|production', );

# Usage and version
if ( $opt{h} ) {
    print <<EOF;
Usage: pkgjs-ls

Same as `npm ls` but read also global files

Options:
 -h, --help: print this
 --dev, --development: includes dev dependencies
 --prod, --production: don't include dev dependencies
EOF
    exit;
}
elsif ( $opt{v} ) {
    print "$VERSION\n";
    exit;
}

# nodejs paths
my @npaths =
  ( '/usr/share/nodejs', '/usr/lib/nodejs', glob("/usr/lib/*/nodejs") );

# MAIN: launch `npm ls` and decode
my $cmd = join( ' ',
    'npm', 'ls', '--json',
    ( $opt{dev}  ? '--dev'  : '' ),
    ( $opt{prod} ? '--prod' : '' ) );
our $deps = `$cmd 2>/dev/null`;
$deps =~ s/\}\s*\{/,/gs;
eval { $deps = decode_json($deps) };
if ($@) {
    die "Unable to parse `npm ls` result: $@\n";
}

# Transform tree
$deps->{dependencies} //= {};

#foreach my $k ( keys %{ $deps->{dependencies} } ) {
transform($deps);

#}

# And display
if ( $opt{json} ) {
    print JSON->new->pretty->encode($deps);
}
else {
    eval {
        my $pkg = pjson('.');
        print "$pkg->{name}\@$pkg->{version}\n";
    };
    display( $deps, '' );
}
exit(0);

sub transform {
    my ($deps) = @_;

    if ( $deps->{problems} ) {
        foreach ( @{ $deps->{problems} } ) {
            if ( /^missing: (.+?)\@(\d[\d\.\w]*)\S*(.*)$/
                and $deps->{dependencies}->{$1} )
            {
                $deps->{dependencies}->{$1}->{missing} = 1;

                #$deps->{dependencies}->{$1}->{required} = $2;
                #$deps->{dependencies}->{$1}->{why}      = $3;
            }
        }
    }
    delete $deps->{problems};
    foreach my $k ( keys %{ $deps->{dependencies} } ) {
        my $v = $deps->{dependencies}->{$k};
        $k =~ s/\@(?:\d.*|)$//;
        my $path;
        foreach (@npaths) {
            $path = "$_/$k" if -d "$_/$k" or -f "$_/$k.js";
        }
        if ($path) {
            $v->{global} = $path;
            my $version = '';
            if ( -e "$path/package.json" ) {
                eval {
                    $version = pjson($path)->{version};
                };
                $v->{version} ||= $version;
            }
            unless ( delete $v->{missing} ) {
                $v->{double} = $version;
            }
        }
        if ( $v->{dependencies} and not $v->{global} ) {
            transform( $deps->{dependencies}->{$k} );
        }
    }
}

sub termColor {
    my ($string) = @_;
    $string =~ s/\033.*?m//g unless -t STDOUT;
    return $string;
}

sub display {
    my ( $deps, $offset ) = @_;
    my @keys = sort keys %{ $deps->{dependencies} };
    for ( my $i = 0 ; $i < @keys ; $i++ ) {
        my $k = $keys[$i];

        #foreach my $k ( keys %{ $deps->{dependencies} } ) {
        my $v = $deps->{dependencies}->{$k};
        print ''
          . $offset
          . (
              ( $v->{dependencies} and !$v->{global} and !$v->{missing} )
            ? ( $i == $#keys ? '└─┬ ' : '├─┬ ' )
            : $i == $#keys ? '└── '
            :                '├── '
          )
          . (
              $v->{missing} ? termColor("\033[1mUNMET DEPENDENCY\033[0m ")
            : $v->{double}  ? termColor("\033[1mDUPLICATE ")
            : $v->{global}  ? ''
            :                 termColor("\033[31;2;3mlocal ")
          )
          . $k . '@'
          . ( $v->{double} || $v->{version} || $v->{required} )
          . termColor("\033[0m")
          . (
            (
                     !$v->{missing}
                  and $v->{version} ne ''
                  and ( $v->{required} || $v->{double} )
            )
            ? (
                semver(
                    (
                        $v->{double}
                        ? ( $v->{double}, $v->{version} )
                        : ( $v->{version}, $v->{required} )
                    )
                  )
                ? ''
                : termColor(" \033[1mRequires: ")
                  . ( $v->{required} || $v->{version} )
                  . termColor("\033[0m")
              )
            : ( $v->{missing} && $v->{why} )
            ? termColor(" \033[1m$v->{why}\033[0m")
            : ''
          ) . "\n";
        if ( $v->{dependencies} and !$v->{missing} and !$v->{global} ) {
            my $o = $offset;
            $o .= ( $i == $#keys ? '  ' : '│ ' );
            display( $v, $o );
        }
    }
}