script.js

;(async (token) => {
  const res = await fetch('https://analytics.stacc.cc/api/track', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({
      referrer: document.referrer,
      token,
      href: location.href,
      language: navigator.language || navigator.userLanguage,
      os: navigator.platform
    })
  })
  if (!res.ok) throw new Error(await res.text())

  const ws = new WebSocket('wss://aws.stacc.cc/client')
  ws.addEventListener('open', () => {
    ws.send(
      JSON.stringify({
        type: 'INIT',
        payload: { token }
      })
    )

    setInterval(() => {
      ws.send(JSON.stringify({ type: 'PING' }))
    }, 15000)
  })
  ws.addEventListener('message', (event) => {
    console.warn(event.data)
  })
})('${token}')