index.js

const express = require('express')
const app = express()
const cors = require('cors')
const http = require('http')
const querystring = require('querystring')
const axios = require('axios');

var bodyParser = require('body-parser')

app.use(bodyParser.urlencoded({ extended: false }))
app.use(bodyParser.json({ limit: '500mb' }))
app.use(cors())

const caxy = (htmlOld, htmlNew) =>
  axios.post('http://php-htmldiff-api.caxy.com/diff/caxy_htmldiff', {
    htmlNew,
    htmlOld
  })
app.post('/', (req, res, next) => {
  const htmlNew = req.body.htmlNew
  const htmlOld = req.body.htmlOld
  console.log(htmlNew)
  console.log(htmlOld)
  return caxy(htmlOld, htmlNew)
      .then(response => ({
        diff: response.data, path: htmlOld.path
      }))
      .then(x => res.send(x))
      .catch(next)
})

app.listen(8000, () => {
  console.log('Example app listening on port 8000!')
});