wro4j-extensions/src/main/java/ro/isdc/wro/extensions/processor/support/emberjs/EmberJs.java
@Override
  public String compile(final String content, final String name) {
    final String precompiledFunction = super.compile(content, "");
    return String.format("(function() {Ember.TEMPLATES[%s] = Ember.Handlebars.template(%s)})();", name, precompiledFunction);
  }
@Override
  public String compile(final String content, final String name) {
    final String precompiledFunction = super.compile(content, "");
    return String.format("(function() {Ember.TEMPLATES[%s] = Ember.Handlebars.template(%s)})();", name, precompiledFunction);
  }
visible for testing, the init of a HandlebarsJs template