@task
@timed
def install_node_prereqs():
 if no_prereq_install():
  print NO_PREREQ_MESSAGE
  return
 prereq_cache('Node prereqs', ['package.json'], node_prereqs_installation)

@ task @ timed def install_node_prereqs ( ) : if no_prereq_install ( ) : print NO_PREREQ_MESSAGE return prereq_cache ( 'Node prereqs' , [ 'package.json' ] , node_prereqs_installation )
installs node prerequisites .