make_static.PL

   1 #!/usr/bin/perl
   2 use v5.14;
   3 use warnings;
   4
   5 use CSS::Minifier::XS qw/minify/;
   6 use Digest::SHA qw/sha256_base64/;
   7 use IO::Compress::Gzip qw/gzip/;
   8 use File::Slurp qw/read_file write_file edit_file_lines/;
   9 use SVG::SpriteMaker;
  10 use List::Util qw/first/;
  11
  12 mkdir 'static';
  13 mkdir 'static/css';
  14 mkdir 'static/js';
  15 mkdir 'static/logos';
  16
  17 sub gzip_file {
  18         my ($file) = @_;
  19         gzip $file => "$file.gz", -Level => 9, Minimal => 1;
  20 }
  21
  22 sub write_gzfile {
  23         my ($file, @content) = @_;
  24         write_file $file, @content;
  25         gzip_file $file
  26 }
  27
  28 sub sprite_name {
  29         my ($name) = $_[0] =~ m,/(.*)\.svg,;
  30         "logo-$name"
  31 }
  32
  33 sub make_logos {
  34         my @logos = <logos/*>;
  35         my $logos = make_sprite \&sprite_name, @logos;
  36         my @logos_light;
  37         for (<logos/*>) {
  38                 my $light = s/logos/logos-light/r;
  39                 push @logos_light, -f $light ? $light : $_;
  40         }
  41         my $logos_light = make_sprite \&sprite_name, @logos_light;
  42
  43         write_gzfile 'static/logos/dark.svg', $logos->render;
  44         write_gzfile 'static/logos/light.svg', $logos_light->render;
  45 }
  46
  47 sub read_css_into_blocks {
  48         my ($file) = @_;
  49         my (@blocks, $block);
  50         for (read_file $file) {
  51                 $block .= $_;
  52                 if (/^}/) {
  53                         push @blocks, $block;
  54                         $block = '';
  55                 }
  56         }
  57         \@blocks
  58 }
  59
  60 sub make_css {
  61         my %css;
  62         $css{common} .= read_file $_ for <css/*.css>;
  63
  64         my (%themes, $rndtheme);
  65         for (<css/themes/*>) {
  66                 ($rndtheme) = m,themes/(.*)\.css,;
  67                 $themes{$rndtheme} = read_css_into_blocks $_;
  68         }
  69
  70         while (grep { scalar @$_ } values %themes) {
  71                 my %blocks = map { $_ => (shift @{$themes{$_}}) // '' } keys %themes;
  72                 if (grep { $_ ne $blocks{$rndtheme} } values %blocks) {
  73                         $css{$_} .= $blocks{$_} for keys %themes;
  74                 } else {
  75                         $css{common} .= $blocks{$rndtheme};
  76                 }
  77         }
  78
  79         write_gzfile "static/css/$_.css", minify $css{$_} for keys %css
  80 }
  81
  82 sub make_js {
  83         system java => -jar => 'compiler.jar', qw,-O SIMPLE --create_source_map static/js/js.map --js_output_file static/js/all.js --language_in ECMASCRIPT6_STRICT --language_out ECMASCRIPT5_STRICT --source_map_location_mapping js/|/static/js/,, <js/*>;
  84         my $js = read_file 'static/js/all.js';
  85         write_gzfile 'static/js/all.js', '//# sourceMappingURL=/static/js/js.map', "\n", $js;
  86         system 'cp', '-rp', 'js', 'static/';
  87 }
  88
  89 my $sprite_mtime = -M 'static/logos/dark.svg' // 0;
  90 for (<logos/*>, <logos-light/*>) {
  91         if (!$sprite_mtime || $sprite_mtime > -M) {
  92                 make_logos;
  93                 last
  94         }
  95 }
  96
  97 my $css_mtime = -M 'static/css/slate.css' // 0;
  98 for (<css/*>, <css/themes/*>) {
  99         if (!$css_mtime || $css_mtime > -M) {
 100                 make_css;
 101                 last
 102         }
 103 }
 104
 105 my $js_mtime = -M 'static/js/all.js' // 0;
 106 for (<js/*>) {
 107         if (!$js_mtime || $js_mtime > -M) {
 108                 make_js;
 109                 last
 110         }
 111 }
 112
 113 edit_file_lines {
 114         my ($file) = m,(static.*\.(?:css|js)),;
 115         return unless $file;
 116         my $hash = sha256_base64 scalar read_file $file;
 117         s/integrity=".*"/integrity="sha256-$hash="/;
 118 } 'tmpl/skel.en';