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1#!/usr/bin/perl
2use v5.14;
3use warnings;
4
5eae1f77 5use CSS::Minifier::XS qw/minify/;
7e8f9a5c 6use Digest::SHA qw/sha256_base64/;
3c9bcb47 7use IO::Compress::Gzip qw/gzip/;
7e8f9a5c 8use File::Slurp qw/read_file write_file edit_file_lines/;
cf39f49f 9use SVG::SpriteMaker;
fa8b7f99 10use File::Which;
5eae1f77 11use List::Util qw/first/;
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12
13mkdir 'static';
14mkdir 'static/css';
f57a9178 15mkdir 'static/js';
cf39f49f 16mkdir 'static/logos';
c9dee865 17
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18sub gzip_file {
19 my ($file) = @_;
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20 my $zopfli = which 'zopfli';
21 system $zopfli => $file if $zopfli;
22 gzip $file => "$file.gz", -Level => 9, Minimal => 1 unless $zopfli;
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23}
24
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25sub write_gzfile {
26 my ($file, @content) = @_;
27 write_file $file, @content;
28 gzip_file $file
29}
30
31sub sprite_name {
32 my ($name) = $_[0] =~ m,/(.*)\.svg,;
33 "logo-$name"
34}
35
36sub make_logos {
37 my @logos = <logos/*>;
38 my $logos = make_sprite \&sprite_name, @logos;
39 my @logos_light;
40 for (<logos/*>) {
41 my $light = s/logos/logos-light/r;
42 push @logos_light, -f $light ? $light : $_;
43 }
44 my $logos_light = make_sprite \&sprite_name, @logos_light;
45
46 write_gzfile 'static/logos/dark.svg', $logos->render;
47 write_gzfile 'static/logos/light.svg', $logos_light->render;
48}
49
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50sub read_css_into_blocks {
51 my ($file) = @_;
52 my (@blocks, $block);
53 for (read_file $file) {
54 $block .= $_;
55 if (/^}/) {
56 push @blocks, $block;
57 $block = '';
58 }
59 }
60 \@blocks
61}
62
c13e110a 63my $default_theme = 'slate';
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64
65sub theme_prefix {
66 my ($theme, $decl, $default) = @_;
67 return $decl if $theme eq $default_theme || !$decl;
68 return '' if $decl eq $default;
69
70 $default =~ s/[^{]*{\n//;
71 $default =~ s/\n}[^}]*//;
72 $decl =~ s/^$_$//m for split "\n", $default;
73 $decl =~ s/\n+/\n/g;
74
75 my $prefix = "html.$theme";
76 my ($first_line) = $decl =~ /([^{]*){/;
77 $first_line =~ s/(,\s+)/$1 $prefix /g;
78 $first_line = "$prefix $first_line";
79 $decl =~ s/([^{]*){/$first_line\{/;
80 $decl
81}
82
cf2b0139 83sub make_css {
db73dc0c 84 my $css = join '', map { read_file $_ } <css/*.css>;
5eae1f77 85
db73dc0c 86 my (%themes);
cf2b0139 87 for (<css/themes/*>) {
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88 my ($theme) = m,themes/(.*)\.css,;
89 $themes{$theme} = read_css_into_blocks $_;
5eae1f77 90 }
db73dc0c 91 my @themes = sort grep { $_ ne $default_theme } keys %themes;
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92
93 while (grep { scalar @$_ } values %themes) {
94 my %blocks = map { $_ => (shift @{$themes{$_}}) // '' } keys %themes;
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95 $css .= $blocks{$default_theme};
96 $css .= theme_prefix $_, $blocks{$_}, $blocks{$default_theme} for @themes
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97 }
98
db73dc0c 99 write_gzfile "static/css/all.css", minify $css
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100}
101
cf2b0139 102sub make_js {
8345760a 103 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/*>;
f57a9178 104 my $js = read_file 'static/js/all.js';
cf39f49f 105 write_gzfile 'static/js/all.js', '//# sourceMappingURL=/static/js/js.map', "\n", $js;
f57a9178 106 system 'cp', '-rp', 'js', 'static/';
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107}
108
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109my $sprite_mtime = -M 'static/logos/dark.svg' // 0;
110for (<logos/*>, <logos-light/*>) {
7fd2e6a5 111 if (!$sprite_mtime || $sprite_mtime > -M) {
cf39f49f 112 make_logos;
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113 last
114 }
115}
116
db73dc0c 117my $css_mtime = -M 'static/css/all.css' // 0;
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118for (<css/*>, <css/themes/*>) {
119 if (!$css_mtime || $css_mtime > -M) {
120 make_css;
121 last
122 }
123}
124
b5d06694 125my $js_mtime = -M 'static/js/all.js' // 0;
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126for (<js/*>) {
127 if (!$js_mtime || $js_mtime > -M) {
128 make_js;
129 last
130 }
9cad7bdd 131}
69d77267 132
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133edit_file_lines {
134 my ($file) = m,(static.*\.(?:css|js)),;
135 return unless $file;
136 my $hash = sha256_base64 scalar read_file $file;
137 s/integrity=".*"/integrity="sha256-$hash="/;
65ef5465 138} 'tmpl/skel.en';
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