1 files changed, 137 insertions, 0 deletions
diff --git a/build_css.sh b/build_css.sh
new file mode 100755
index 0000000..9334ce0
--- /dev/null
+++ b/build_css.sh
@@ -0,0 +1,137 @@
+#!/bin/bash
+
+PROGNAME="$0"
+DIR="$( cd "$( dirname "$(readlink -f "${BASH_SOURCE[0]}")" )" && pwd )"
+ROOT="$(realpath "$DIR")"
+CLEANCSS="$ROOT"/node_modules/clean-css-cli/bin/cleancss
+LESSC="$ROOT"/node_modules/.bin/lessc
+THEMES="light dark"
+TARGETS="app"
+INDIR=
+OUTDIR=
+TYPE=
+
+error() {
+    >&2 echo "error: $@"
+}
+
+die() {
+    error "$@"
+    exit 1
+}
+
+installed() {
+    command -v "$1" > /dev/null
+    return $?
+}
+
+usage() {
+    cat <<EOF
+usage: $PROGNAME [OPTIONS]
+
+Options:
+    -o  output directory
+    -i  input directory
+    -t  'less' or 'scss'
+    -h  show this help
+EOF
+    exit
+}
+
+build() {
+    local entry_name="$1"
+    local theme="$2"
+
+    local input="$INDIR/entries/$entry_name/$theme.$TYPE"
+    local output="$OUTDIR/$entry_name"
+    [ "$theme" = "dark" ] && output="${output}_dark"
+    output="${output}.css"
+
+    case "$TYPE" in
+        less) "$LESSC" -x "$input" "$output" ;;
+        scss) sassc -t compressed "$input" "$output" ;;
+    esac
+}
+
+cleancss() {
+    local entry_name="$1"
+    local theme="$2"
+
+    local file="$OUTDIR/$entry_name"
+    [ "$theme" = "dark" ] && file="${file}_dark"
+    file="${file}.css"
+
+    "$CLEANCSS" -O2 "all:on;mergeSemantically:on;restructureRules:on" "$file" > "$file.tmp"
+    rm "$file"
+    mv "$file.tmp" "$file"
+}
+
+create_dark_patch() {
+    local entry_name="$1"
+    local light_file="$OUTDIR/$entry_name.css"
+    local dark_file="$OUTDIR/${entry_name}_dark.css"
+
+    "$DIR"/gen_css_diff.js "$light_file" "$dark_file" > "$dark_file.diff"
+    rm "$dark_file"
+    mv "$dark_file.diff" "$dark_file"
+}
+
+[ -z "$1" ] && usage
+
+while [[ $# -gt 0 ]]; do
+    case $1 in
+        -o)
+            OUTDIR="$2"
+            shift
+            ;;
+        -i)
+            INDIR="$2"
+            shift
+            ;;
+
+        -t)
+            case $2 in
+                less|scss) TYPE="$2" ;;
+                *) die "invalid type: $2" ;;
+            esac
+            shift
+            ;;
+
+        -h)
+            usage
+            ;;
+        *)
+            die "unexpected argument: $1"
+            ;;
+    esac
+    shift
+done
+
+[ -z "$OUTDIR" ] && die "output directory is not specified"
+[ -z "$INDIR" ] && die "input directory is not specified"
+[ -z "$TYPE" ] && die "type is not specified"
+
+if [ ! -d "$OUTDIR" ]; then
+    mkdir "$OUTDIR"
+else
+    rm "$OUTDIR"/*
+fi
+
+[ -x "$CLEANCSS" ] || die "$CLEANCSS: cleancss not found"
+case "$TYPE" in
+    less) [ -x "$LESSC" ] || die "$LESSC: lessc not found" ;;
+    scss) installed sassc || die "sassc not found" ;;
+esac
+
+for theme in $THEMES; do
+    for target in $TARGETS; do
+        build "$target" "$theme"
+    done
+done
+
+for target in $TARGETS; do
+    create_dark_patch "$target"
+    for theme in $THEMES; do
+        cleancss "$target" "$theme"
+    done
+done
+\ No newline at end of file