Combine CSS into a single file

[plack-app-gruntmaster.git] / make_static.PL

diff --git a/make_static.PL b/make_static.PL
index 9fd5bcaf62916cb024ac8c59c07f7030a2ff1772..f599a56b5db514f6b15e87a1e9ae71b89d4afa2b 100644 (file)
--- a/make_static.PL
+++ b/make_static.PL
@@ -39,26 +39,43 @@ sub read_css_into_blocks {
        \@blocks
 }
 
+my $default_theme = 'cyborg';
+
+sub theme_prefix {
+       my ($theme, $decl, $default) = @_;
+       return $decl if $theme eq $default_theme || !$decl;
+       return '' if $decl eq $default;
+
+       $default =~ s/[^{]*{\n//;
+       $default =~ s/\n}[^}]*//;
+       $decl =~ s/^$_$//m for split "\n", $default;
+       $decl =~ s/\n+/\n/g;
+
+       my $prefix = "html.$theme";
+       my ($first_line) = $decl =~ /([^{]*){/;
+       $first_line =~ s/(,\s+)/$1 $prefix /g;
+       $first_line = "$prefix $first_line";
+       $decl =~ s/([^{]*){/$first_line\{/;
+       $decl
+}
+
 sub make_css {
-       my %css;
-       $css{common} .= read_file $_ for <css/*.css>;
+       my $css = join '', map { read_file $_ } <css/*.css>;
 
-       my (%themes, $rndtheme);
+       my (%themes);
        for (<css/themes/*>) {
-               ($rndtheme) = m,themes/(.*)\.css,;
-               $themes{$rndtheme} = read_css_into_blocks $_;
+               my ($theme) = m,themes/(.*)\.css,;
+               $themes{$theme} = read_css_into_blocks $_;
        }
+       my @themes = sort grep { $_ ne $default_theme } keys %themes;
 
        while (grep { scalar @$_ } values %themes) {
                my %blocks = map { $_ => (shift @{$themes{$_}}) // '' } keys %themes;
-               if (grep { $_ ne $blocks{$rndtheme} } values %blocks) {
-                       $css{$_} .= $blocks{$_} for keys %themes;
-               } else {
-                       $css{common} .= $blocks{$rndtheme};
-               }
+               $css .= $blocks{$default_theme};
+               $css .= theme_prefix $_, $blocks{$_}, $blocks{$default_theme} for @themes
        }
 
-       write_gzfile "static/css/$_.css", minify $css{$_} for keys %css
+       write_gzfile "static/css/all.css", minify $css
 }
 
 sub make_js {
@@ -68,7 +85,7 @@ sub make_js {
        system 'cp', '-rp', 'js', 'static/';
 }
 
-my $css_mtime = -M 'static/css/slate.css' // 0;
+my $css_mtime = -M 'static/css/all.css' // 0;
 for (<css/*>, <css/themes/*>) {
        if (!$css_mtime || $css_mtime > -M) {
                make_css;