1 files changed, 67 insertions, 0 deletions
diff --git a/webmail/bin/jsshrink.sh b/webmail/bin/jsshrink.sh
new file mode 100755
index 0000000..1d77ff3
--- /dev/null
+++ b/webmail/bin/jsshrink.sh
@@ -0,0 +1,67 @@
+#!/bin/sh
+JS_DIR=`dirname "$0"`/../program/js
+JAR_DIR='/tmp'
+LANG_IN='ECMASCRIPT3'
+CLOSURE_COMPILER_URL='http://closure-compiler.googlecode.com/files/compiler-latest.zip'
+
+do_shrink() {
+	rm -f "$2"
+	java -jar $JAR_DIR/compiler.jar --compilation_level=SIMPLE_OPTIMIZATIONS --js="$1" --js_output_file="$2" --language_in="$3"
+}
+
+if [ ! -d "$JS_DIR" ]; then
+	echo "Directory $JS_DIR not found."
+	exit 1
+fi
+
+if [ ! -w "$JAR_DIR" ]; then
+	JAR_DIR=`dirname "$0"`
+fi
+
+if java -version >/dev/null 2>&1; then
+	:
+else
+	echo "Java not found. Please ensure that the 'java' program is in your PATH."
+	exit 1
+fi
+
+if [ ! -r "$JAR_DIR/compiler.jar" ]; then
+	if which wget >/dev/null 2>&1 && which unzip >/dev/null 2>&1; then
+		wget "$CLOSURE_COMPILER_URL" -O "/tmp/$$.zip"
+	elif which curl >/dev/null 2>&1 && which unzip >/dev/null 2>&1; then
+		curl "$CLOSURE_COMPILER_URL" -o "/tmp/$$.zip"
+	else
+		echo "Please download $CLOSURE_COMPILER_URL and extract compiler.jar to $JAR_DIR/."
+		exit 1
+	fi
+	(cd $JAR_DIR && unzip "/tmp/$$.zip" "compiler.jar")
+	rm -f "/tmp/$$.zip"
+fi
+
+# compress single file from argument
+if [ $# -gt 0 ]; then
+	JS_DIR=`dirname "$1"`
+	JS_FILE="$1"
+
+	if [ $# -gt 1 ]; then
+		LANG_IN="$2"
+	fi
+
+	if [ ! -r "${JS_FILE}.src" ]; then
+		mv "$JS_FILE" "${JS_FILE}.src"
+	fi
+	echo "Shrinking $JS_FILE"
+	do_shrink "${JS_FILE}.src" "$JS_FILE" "$LANG_IN"
+	exit
+fi
+
+# default: compress application scripts
+for fn in app common googiespell list; do
+	if [ -r "$JS_DIR/${fn}.js.src" ]; then
+		echo "$JS_DIR/${fn}.js.src already exists, not overwriting"
+	else
+		mv "$JS_DIR/${fn}.js" "$JS_DIR/${fn}.js.src"
+	fi
+	echo "Shrinking $JS_DIR/${fn}.js"
+	do_shrink "$JS_DIR/${fn}.js.src" "$JS_DIR/${fn}.js" "$LANG_IN"
+done