Improve size.sh to accept arguments

Makefile

@@ -22,4 +22,4 @@ totoro:
 	@totoro --adapter=tests/totoro-adapter.js
 
 size:
-	@tools/size.sh
+	@tools/size.sh sea

tools/size.sh

@@ -1,14 +1,16 @@
 #/bin/bash
 #usage: ./tools/size.sh
 
-SRC=sea-debug.js
-MIN=sea.js
+SRC=$1-debug.js
+MIN=$1.js
 
 SIZE_SRC=$(cat dist/$SRC | wc -c)
 SIZE_MIN=$(cat dist/$MIN | wc -c)
 SIZE_GZIP=$(gzip -nfc --best dist/$MIN | wc -c)
 
-echo "    `echo "scale=3;$SIZE_SRC/1024" | bc -l` KB $SRC"
-echo "     `echo "scale=3;$SIZE_MIN/1024" | bc -l` KB $MIN"
-echo "     `echo "scale=3;$SIZE_GZIP/1024" | bc -l` KB $MIN gzipped"
-echo "  `cat dist/sea-debug.js | wc -l` LOC"
+echo
+echo "\t`echo "scale=3;$SIZE_SRC/1024" | bc -l` KB $SRC"
+echo "\t`echo "scale=3;$SIZE_MIN/1024" | bc -l` KB $MIN"
+echo "\t`echo "scale=3;$SIZE_GZIP/1024" | bc -l` KB $MIN gzipped"
+echo "\t`cat dist/$1-debug.js | wc -l` LOC"
+echo