myproject
   src/
   war/
      app/
      dist/
      node_modules/
      Gruntfile.js
      WEB-INF/

<static-files>
    <exclude path="/node_modules/*.*" />
</static-files>

<static-files>
   <exclude path="/node_modules/**.js" />
</static-files>

<static-files>
   <exclude path="/node_modules/*.*" />
</static-files>