correctly check if webpack is being used or not
correctly check if webpack is being used or not

ldecicco-USGS/vizlab,USGS-VIZLAB/vizlab,USGS-VIZLAB/vizlab,ldecicco-USGS/vizlab,USGS-VIZLAB/vizlab,aappling-usgs/vizlab,aappling-usgs/vizlab,aappling-usgs/vizlab,ldecicco-USGS/vizlab