visualizer/data/index.js
function loadData (settings = {}, json = data) {
  const dataSet = new DataSet(json, settings)
  dataSet.processData()
  return dataSet
}
function loadData (settings = {}, json = data) {
  const dataSet = new DataSet(json, settings)
  dataSet.processData()
  return dataSet
}
function loadData ( settings = { } , json = data ) { const dataSet = new DataSet ( json , settings ) dataSet . processData ( ) return dataSet }
'json = data' optional arg allows json to be passed in for browserless tests
json = data optional arg allows json to be passed in for browserless tests