vue-node.js

const readline = require('readline')
const { ref, watchEffect, computed } = require('vue')

const read = readline.createInterface({
  input: process.stdin,
  output: process.stdout
})

const number = ref(0)
const double = computed(() => n.value * 2)

watchEffect(() =>
  process.stdout.write('\nThis is a Vue Watcher in Node.js: '+  number.value + '\n'))

watchEffect(() =>
  process.stdout.write('This is a Vue Computed in Node.js: '+  double.value + '\n'))

const question = () => read.question('\nType a number: ', (value) => {
  number.value = value
  setInterval(question, 100)
})

question()