Script to minify an entire web site

README.md

Script to minify an entire web site

This script will recursively minifify an entire website.

Use

compress-web.sh ./source-dir ./target-dir

You will need the following tools

Google Closure compiler

Copy the jar file in the same folder as compress-web.sh

html-minifier

Install it using npm

YUI Compressor

Copy the jar file in the same folder as compress-web.sh

compress-web.sh

#!/bin/bash

exitError()
{
	if [[ 0 -lt ${#@} ]]; then
		echo
		echo !!! Error: $@
		echo
	fi

	exit -1
}

ifError()
{
	if [[ 0 -eq $? ]]; then return 0; fi

	exitError $@
}


makePath()
{
	if [[ -d $1 ]]; then return 0; fi

	mkdir -p $1

	ifError "Failed to create path : " $1
}

compressWeb()
{
	echo .
	echo .----------------------------------------------------------
	echo . $1
	echo .----------------------------------------------------------

	if [[ ! -d "$1" ]]; then return 0; fi

	makePath $2

	FILES=$1/*

	for SRC in $FILES
	do
	
		FNAME=`basename $SRC`
		TGT=$2/$FNAME

		if [[ -d $SRC ]]; then

			compressWeb $SRC $TGT

		else

			EXT="${FNAME##*.}"

			echo $EXT " : " $SRC" -> " $TGT

			case ${EXT,,} in

				"js")				
					java -jar jscc.jar --js_output_file $TGT --js $SRC
                    if [[ 0 -ne $? ]]; then
                        echo "!!! Failed to build " $SRC
                        cp $SRC $TGT
                        ifError "Failed to copy " $SRC " -> " $TGT
                    fi
				;;

				"css")				
					java -jar yui.jar -o $TGT $SRC
                    if [[ 0 -ne $? ]]; then
                        echo "!!! Failed to build " $SRC
                        cp $SRC $TGT
                        ifError "Failed to copy " $SRC " -> " $TGT
                    fi
                ;;

				"htm" | "html")				
					html-minifier --collapse-whitespace -o $TGT $SRC
                    if [[ 0 -ne $? ]]; then
                        echo "!!! Failed to build " $SRC
                        cp $SRC $TGT
                        ifError "Failed to copy " $SRC " -> " $TGT
                    fi
                ;;

				*)
					cp $SRC $TGT
					ifError "Failed to copy " $SRC " -> " $TGT
				;;

			esac

		fi

	done

	return 1
}

compressWeb $1 $2