build.xml

<project name="smart_helper" default="all" basedir=".">

	<loadfile property="version" srcfile="version.txt" />
	<property name="prefix" value="." />
	<property name="dist" value="${prefix}/dist" description="Folder for release" />
	<property name="tools" value="${prefix}/tools" />

	<property name="out_name" value="${ant.project.name}" />
	<property name="out_file" value="${dist}/${out_name}.js" />
	<property name="out_debug_name" value="${ant.project.name}_debug" />
	<property name="out_debug_file" value="${dist}/${out_debug_name}.js" />

	<target name="all" depends="clean,build,lint,min" />

	<target name="init">
		<tstamp>
			<format property="date" pattern="yyyy-MM-dd HH:mm:ss" />
		</tstamp>
	</target>

	<target name="build" depends="init"
		description="Main build, concatenates source files">
		<echo message="Building ${out_debug_file}" />
		<mkdir dir="${dist}" />
		<concat destfile="${out_debug_file}">
			<fileset file="src/_intro.js" />
			<fileset file="src/core.js" />
			<fileset file="src/exports.js" />
			<fileset file="src/_outro.js" />
		</concat>
		<replaceregexp match="@VERSION" replace="${version}"
			flags="g" byline="true" file="${out_debug_file}" />
		<replaceregexp match="@DATE" replace="${date}" file="${out_debug_file}" />
		<echo message="${out_debug_file} built." />
	</target>

	<target name="lint" depends="build" description="Check source against JSLint">
		<exec executable="java">
			<arg line="-jar ${tools}/lib/js.jar ${tools}/jslint-check.js" />
		</exec>
	</target>

	<target name="min" depends="build" description="Remove all comments and whitespace">
		<echo message="Building ${out_file}" />
		<apply executable="java" parallel="false" verbose="true" dest="${dist}">
			<fileset dir="${dist}">
				<include name="${out_debug_name}.js" />
			</fileset>
			<arg line="-jar" />
			<arg path="${tools}/lib/google-compiler-20100917.jar" />
			<arg value="--warning_level" />
			<arg value="QUIET" />
			<arg value="--js_output_file" />
			<targetfile />
			<arg value="--js" />
			<mapper type="glob" from="${out_debug_name}.js" to="tmpmin" />
		</apply>
		<concat destfile="${out_file}">
			<filelist files="${out_debug_file}, ${dist}/tmpmin" />
			<filterchain>
				<headfilter lines="6" />
			</filterchain>
		</concat>
		<concat destfile="${out_file}" append="yes">
			<filelist files="${dist}/tmpmin" />
		</concat>
		<replaceregexp match="@DEBUG" replace="" file="${out_file}" />
		<delete file="${dist}/tmpmin" />
		<echo message="${out_file} built." />
	</target>

	<target name="clean">
		<delete dir="${dist}" />
	</target>

</project>