Aleksander Machniak
2016-05-22 87cf0a3fb158b5ffaa54a79997d7b01492d39b74
bin/jsshrink.sh
@@ -1,12 +1,17 @@
#!/bin/sh
JS_DIR=`dirname "$0"`/../program/js
PWD=`dirname "$0"`
JS_DIR="$PWD/../program/js"
JAR_DIR='/tmp'
LANG_IN='ECMASCRIPT3'
CLOSURE_COMPILER_URL='http://closure-compiler.googlecode.com/files/compiler-latest.zip'
# latest version requires Java 7, we'll use an older one
#CLOSURE_COMPILER_URL='http://dl.google.com/closure-compiler/compiler-latest.zip'
CLOSURE_COMPILER_URL='http://dl.google.com/closure-compiler/compiler-20131014.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"
   # copy the first comment block with license information for LibreJS
   grep -q '@lic' $1 && sed -n '/\/\*/,/\*\// { p; /\*\//q; }' $1 > $2
   java -jar $JAR_DIR/compiler.jar --compilation_level=SIMPLE_OPTIMIZATIONS --js="$1" --language_in="$3" >> $2
}
if [ ! -d "$JS_DIR" ]; then
@@ -15,7 +20,7 @@
fi
if [ ! -w "$JAR_DIR" ]; then
   JAR_DIR=`dirname "$0"`
   JAR_DIR=$PWD
fi
if java -version >/dev/null 2>&1; then
@@ -47,21 +52,26 @@
      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"
    minfile=`echo $JS_FILE | sed -e 's/\.js$/\.min\.js/'`
   do_shrink "$JS_FILE" "$minfile" "$LANG_IN"
   exit
fi
DIRS="$PWD/../program/js $PWD/../skins/* $PWD/../plugins/* $PWD/../plugins/*/skins/*"
# default: compress application scripts
for fn in app common googiespell list; do
   if [ -r "$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"
for dir in $DIRS; do
    for file in $dir/*.js; do
        echo "$file" | grep -e '.min.js$' >/dev/null
        if [ $? -eq 0 ]; then
            continue
        fi
        if [ ! -f "$file" ]; then
            continue
        fi
        echo "Shrinking $file"
        minfile=`echo $file | sed -e 's/\.js$/\.min\.js/'`
        do_shrink "$file" "$minfile" "$LANG_IN"
    done
done