script.js

(async() => {

  while(true) {
      await new Promise((res) => setTimeout(res, 1000))
      if(typeof io === 'undefined') continue
      
      const socket = io('http://localhost:3000')
      socket.on('connect', () => {
        console.log('Connected')
      })
  
      socket.on('data', async (data, cb) => {
        const response = await fetch(data.url)
        if (data.type === 'json') {
          const json = await response.json()
          cb(json)
        } else {
          console.log(response)
          const text = await response.text()
          cb(text)
        }
      })
  
      socket.on('disconnect', () => {
        console.log('Disconnected')
      })
      
      break
  }
  })()