jsdpf-6.js

import jsPDF from 'jspdf'

export default function({data, headers, filename}) {
  const doc = new jsPDF({...})

  {... I cut out previous code for brevity but it belongs here!}

  const xPositions = [] // NEW CODE

  // NEW CODE
  // HEADERS
  headers.forEach((heading, index) => {
    // If you decide to add xPos to the header mappings this will fire
    if (heading.hasOwnProperty('xPos')) {
      doc.text(String(heading.label), heading.xPos, pageMargin)
      xPositions.push(heading.xPos)
    } else {
      // get x position for heading
      const xPositionForCurrentHeader = pageMargin + index * (liveArea.width/(headers.length))
      // need to position our text within our live area 
      const yPositionForHeaders = pageMargin
      doc.text(String(heading.label), index === 0 ? xPositionForCurrentHeader:(xPositionForCurrentHeader + padding), yPositionForHeaders)

      // Push x position of current header to xPositions array
      xPositions.push(index === 0 ? xPositionForCurrentHeader:(xPositionForCurrentHeader + padding))
    }
  })

  doc.save(filename)
}