Allow to shrink any file passed as argument

Thomas Bruederli

2013-01-24 55ee252d65832c48d8b566852416418bec4082e5

Allow to shrink any file passed as argument

 bin/jsshrink.sh

@@ -1,11 +1,12 @@
#!/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"
    java -jar $JAR_DIR/compiler.jar --compilation_level=SIMPLE_OPTIMIZATIONS --js="$1" --js_output_file="$2" --language_in="$3"
}

if [ ! -d "$JS_DIR" ]; then
@@ -37,6 +38,24 @@
    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"
@@ -44,5 +63,5 @@
        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"
    do_shrink "$JS_DIR/${fn}.js.src" "$JS_DIR/${fn}.js" "$LANG_IN"
done