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#!/bin/sh
JS_DIR=`dirname "$0"`/../program/js
JAR_DIR='/tmp'
LANG_IN='ECMASCRIPT3'
CLOSURE_COMPILER_URL='http://dl.google.com/closure-compiler/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 treelist; 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
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