pdf-conf.js

const puppeteer = require('puppeteer')
const shell = require('shelljs')
const fs = require('fs')
// const { spawn } = require('child_process')
let server, page, browser

const pdfFilePath = './src/assets/Lina_Ragauskaite_c.pdf'
const buildLatestForPdf = () => {
  shell.exec('npm run build-noref')
}

const buildLatestForLive = () => {
  shell.exec('npm run build')
}
const createBrowser = async () => {
  browser = await puppeteer.launch({headless: true, devtools: false})
  page = await browser.newPage()
  await page.setViewport({width: 1600, height: 900})
}

const createServer = () => {
  // server = spawn('cmd', ['/c', 'http-server', './dist/', '-p', '4200'])
  server = shell.exec('http-server ./dist/ -p 4200', {async: true})
}

const connectPage = async () => {
  return page.goto('http://localhost:4200/#/pdf?conf=1', {waitUntil: ['networkidle2', 'load']})
}

// const delay = (ms) => new Promise(resolve => setTimeout(resolve, ms))

const pdfValid = () => {
  const stats = fs.statSync(pdfFilePath)
  const fileSizeInBytes = stats.size
  const fileSizeInKb = fileSizeInBytes * 0.001
  return fileSizeInKb > 100
}

const generatePdf = async () => {
  const height = await page.evaluate(() => {
    return document.body.clientHeight
  })

  killNodes(server.pid)
  server.kill()
  console.log('Http-server killed.')

  await page.pdf({
    path: pdfFilePath,
    printBackground: true,
    width: 1600,
    height: height,
    pageRanges: '1'
  })
}

const killNodes = (id) => {
  // if (process.platform === 'win32') {
  shell.exec(`taskkill /pid ${id} /f /t`)
  // } else {
  //   shell.exec('pkill node')
  // }
}

;(async () => {
  buildLatestForPdf()
  console.log('Build complete for PDF capture.')
  await createServer()
  console.log('Http-server started.')
  await createBrowser()
  console.log('Broswer opened.')

  let connected = false
  while (!connected) {
    try {
      await connectPage()
      connected = true
      console.log('Page loaded.')
    } catch (error) {
      console.log('Error laoding page.', error)
    }
  }

  await generatePdf()
  console.log('PDF generated.')
  await page.close()
  await browser.close()
  console.log('Browser closed.')
  if (pdfValid()) {
    console.log('PDF OK')
    buildLatestForLive()
    console.log('Build complete for live release.')
    process.exit(0)
  } else {
    console.log('PDF NOK')
    process.exit(1)
  }
})()