Minimal console app in Elm

cli.elm

module Cli where

port output : String
port output =
  "Sub-orbital table 8-bit realism boat soul-delay face forwards industrial
  grade drone. Cartel towards footage tube assault table woman stimulate bridge
  claymore mine semiotics human. Post-construct j-pop military-grade stimulate
  narrative realism. Shoes convenience store sunglasses realism numinous tanto
  long-chain hydrocarbons. Franchise tower render-farm girl wonton soup sprawl
  fetishism Kowloon advert semiotics shoes dolphin drugs otaku marketing.
  Refrigerator 8-bit nodality rebar-space sprawl marketing jeans dissident
  human artisanal soul-delay. Dome crypto-range-rover realism katana engine
  nano-military-grade Kowloon otaku pre-advert into."

run-cli.js

// Execute elm code in node and print output
//
// The module specified in `ELM_MODULE` should define a port `output`. The code
// should be compiled in file specified by `ELM_CODE`.

const ELM_MODULE = 'Cli';
const ELM_CODE = 'cli.js';

var vm = require('vm');
var fs = require('fs');
var jsdom = require("jsdom").jsdom;


var elm = execute();
console.log(elm.ports['output']);


function execute() {
  var context = getDefaultContext();
  var code = fs.readFileSync(ELM_CODE);
  var script = new vm.Script(code);

  script.runInContext(context);
  return context.Elm.worker(context.Elm[ELM_MODULE]);
}


function getDefaultContext() {
  var document = jsdom();

  return new vm.createContext({
    document: document,
    window: document.parentWindow
  });
}

Thanks to https://github.com/sonnym/node-elm-loader