wro4j-extensions/src/main/java/ro/isdc/wro/extensions/processor/support/coffeescript/CoffeeScript.java
private RhinoScriptBuilder initScriptBuilder() {
    try {
      RhinoScriptBuilder builder = null;
      if (scope == null) {
        builder = RhinoScriptBuilder.newChain().evaluateChain(getCoffeeScriptAsStream(), DEFAULT_COFFE_SCRIPT);
        scope = builder.getScope();
      } else {
        builder = RhinoScriptBuilder.newChain(scope);
      }
      return builder;
    } catch (final IOException ex) {
      throw new IllegalStateException("Failed reading init script", ex);
    }
  }
private RhinoScriptBuilder initScriptBuilder() {
    try {
      RhinoScriptBuilder builder = null;
      if (scope == null) {
        builder = RhinoScriptBuilder.newChain().evaluateChain(getCoffeeScriptAsStream(), DEFAULT_COFFE_SCRIPT);
        scope = builder.getScope();
      } else {
        builder = RhinoScriptBuilder.newChain(scope);
      }
      return builder;
    } catch (final IOException ex) {
      throw new IllegalStateException("Failed reading init script", ex);
    }
  }
Initialize script builder for evaluation.