Node REPL

node-repl.js

const readline = require('readline')
const vm = require('vm')

const sandbox = vm.createContext(Object.assign({}, global))

const rl = readline.createInterface(process.stdin, process.stdout)

rl.setPrompt("> ")
rl.prompt()

rl.on('line', (line) => {
  // TODO: buffer lines until command complete
  try {
    console.log(vm.runInContext(line, sandbox))
  }
  catch(err) {
    console.error(err)
  }
  rl.prompt()
})