build.xml

<?xml version="1.0"?>
<project basedir="." default="compile">
  <!--
    Ant build for javascript - used as a linting tool
    -->
  <taskdef name="jscomp" classname="com.google.javascript.jscomp.ant.CompileTask"
           classpath="tools/compiler.jar"/>

  <target name="compile" depends="glass" />

  <target name="glass">
    <!-- Use simple optimisations - just using to lint -->
    <jscomp compilationLevel="simple" warning="verbose" 
            debug="false" output="${basedir}/mirror_api_server/static/glass/glass.min.js">

      <sources dir="${basedir}/mirror_api_server/static/glass/">
        <file name="glass.js"/>
      </sources>
    </jscomp>
    
  </target>
</project>