Convert a PDF using NodeJS and Axios

pdfshift.js

const axios = require('axios');
const fs = require('fs');

function pdfshift(api_key, data) {
  return new Promise((resolve, reject) => {
      let asJson = false
      if ('filename' in data || 'webhook' in data) {
          asJson  = true
      }

      axios.request({
          method: 'post',
          url: 'https://api.pdfshift.io/v3/convert/pdf',
          responseType: (asJson ? 'json' : 'arraybuffer'),
          data: data,
          auth: { username: 'api', password: api_key }
      }).then(resolve).catch(response => {
          // Handle any error that might have occured
          reject(response)
      })
  })
}

// Here's a sample of what to do
pdfshift('your_api_key', { source: 'https://www.example.com' }).then(response => {
  fs.writeFileSync('example.com.pdf', response.data, "binary", function () {})
})