build CSS for prod

ui/build

@@ -14,6 +14,7 @@ mkdir -p public/compiled
 ts_apps1="common chess"
 ts_apps2="ceval game tree chat nvui"
 apps="site chat cli challenge notify learn insight editor puzzle round analyse lobby tournament tournamentSchedule tournamentCalendar simul perfStat dasher"
+css_apps="site"
 
 if [ $mode == "upgrade" ]; then
   yarn upgrade --non-interactive
@@ -35,6 +36,13 @@ build() {
   gulp $target
 }
 
+build_css() {
+  echo "build_css" "$@"
+  set -ev
+  cd ui/$1
+  gulp "css-$target"
+}
+
 if type -p parallel; then # parallel execution!
   if [ -z "$P_OPTS" -a ! -e ~/.parallel/config ]; then
     P_OPTS="-j+4 --halt 2"
@@ -44,8 +52,10 @@ if type -p parallel; then # parallel execution!
   parallel --gnu $P_OPTS build_ts ::: $ts_apps1
   parallel --gnu $P_OPTS build_ts ::: $ts_apps2
   parallel --gnu $P_OPTS build ::: $apps
+  parallel --gnu $P_OPTS build_css ::: $css_apps
 else # sequential execution
   echo "For faster builds, install GNU parallel."
   for app in $ts_apps1 $ts_apps2; do (build_ts $app); done
   for app in $apps; do (build $app); done
+  for app in $css_apps; do (build_css $app); done
 fi

ui/gulp/cssProject.js

@@ -24,7 +24,6 @@ module.exports = (name, dir) => {
   const sourcesGlob = sourceDir + '/**/*.scss';
   const buildsGlob = sourceDir + '/build/*.scss';
   const commonGlob = '../common/css/**/*.scss';
-  console.log(commonGlob);
 
   createThemedBuilds(buildDir);
 
@@ -45,6 +44,19 @@ module.exports = (name, dir) => {
       gulp.watch(commonGlob, build);
     }
   ]));
+
+  gulp.task('css-dev', build);
+
+  gulp.task('css-prod', () => gulp
+    .src(buildsGlob)
+    .pipe(sass({
+      ...sassOptions,
+      ...{ outputStyle: 'compressed' }
+    }).on('error', sass.logError))
+    .pipe(autoprefixer(autoprefixerOptions))
+    .pipe(renameAs('min'))
+    .pipe(destination())
+  );
 }
 
 function renameAs(ext) {