cli read line / ask question / user input (NodeJS)

question.js

// https://github.com/google/zx/blob/1508858ae964e49e0e5667860f7075b2a6aa15bf/index.mjs#L94
import {createInterface} from 'linebyline'

export async function question(query, options) {
  let completer
  if (Array.isArray(options?.choices)) {
    completer = function completer(line) {
      const completions = options.choices
      const hits = completions.filter((c) => c.startsWith(line))
      return [hits.length ? hits : completions, line]
    }
  }
  const rl = createInterface({
    input: process.stdin,
    output: process.stdout,
    completer,
  })
  const question = (qu) => new Promise((resolve) => rl.question(qu, resolve))
  const answer = await question(query)
  rl.close()
  return answer
}

const name = await question('What is your name? ')
const fruit = await question('Fav fruit ', { choices: ['apples', 'bananas'] }) // tab completed choices
console.log(name + ' loves to eat ' + fruit)