const scaleX = d3.scaleTime()
  .domain([
    min,
    max
  ])
  .range([0, width - paddings.left - paddings.right])
  .nice()
    
const periodLength = max.getFullYear() - min.getFullYear() // in years
const quaters = {
  0: 'I',
  3: 'II',
  6: 'III',
  9: 'IV'
}
const getLabelFormat = d => {
  if (periodLength > 2) {
    return d.getFullYear()
  } else {
    return `${d.getFullYear()} - ${quaters[d.getMonth()]}`
  }
}

let tickFrequency = [10]
if (periodLength < 10) {
  if (periodLength > 2) {
    tickFrequency = [d3.timeYear.every(1)]
  } else {
    tickFrequency = [d3.timeMonth.every(3)]
  }
}

const axisX = d3.axisBottom(scaleX)
  .tickArguments(tickFrequency)
  .tickFormat(getLabelFormat)