code: void writeCoreInDirectory(String dir, String fwk) {
  		if (dir != null) { // if developper specify a directory for get js we write them too inside jsdir 
  			fws.copyResourceToDir(ProcessorConstants.SEPARATORCHAR + "js", getFilename("core", fwk), dir);
  		}
  	}
docs: Write core in user directory (use jsdir option) select the core for framework define by the user by jsfwk option