mini home automation

index.js

// --- bus setup
var miniBus = function (n) {
  var o;
  o = function (i) {
    var t;
    t = i.toLowerCase();
    return n[t] || (n[t] = []);
  };
  n = n || {};
  return {
    on: function (t, n) {
      return o(t).push(n);
    },
    off: function (t, n) {
      var e, i;
      e = o(t);
      i = e.indexOf(n);
      return ~i && e.splice(i, 1);
    },
    emit: function (t, n) {
      return o('*').concat(o(t)).forEach(function (t) {
        return t(n);
      });
    }
  };
}();

// --- class setup
class Device {
  constructor(name, id) { this.name = name; this.id = id; }
  get status() { console.log(`*** ${this.id} ${this.name}`) }
}

class Brain extends Device {
  constructor(name, id) { 
    super(name, id); 
    this.temp = 0
    miniBus.on('3', (temp) => { this.temp = temp })
  }
  get status() { console.log(`*** ${this.id} ${this.name} - [temp: ${this.temp}]`) }
}

class Sensor extends Device {
  constructor(name, id) {
    super(name, id);
    setInterval(_ => { 
      miniBus.emit(this.id.toString(), Math.random() * 40 | 0) 
    }, 1000)
  }
}

class Light extends Device {
  constructor(name, id) {
    super(name, id);
    this.light = "off"
    miniBus.on(this.id.toString(), data => {
      this.light == "off" ? this.light = "on" : this.light = "off"
    })
  }
  get status() { console.log(`*** ${this.id} ${this.name} - ${this.light}`) }
}

// --- device setup
let devices_config = [
  { id: 0, type: Brain, name: "Brain" },
  { id: 1, type: Light, name: 'Living Room' },
  { id: 2, type: Light, name: 'Bedroom' },
  { id: 3, type: Sensor, name: 'Kitchen temp' },
]

let devices = []

devices_config.forEach(device => {
  devices.push(new device.type(device.name, device.id))
})

function _debug() { devices.forEach(device => { device.status }) }

// --- repl
const readline = require('readline');
const rl = readline.createInterface({ input: process.stdin, output: process.stdout });

rl.setPrompt('s | l | q > ');
rl.prompt();
rl.on('line', function (line) {
  switch (line.trim()) {
    case 's':
      _debug();
      break;
    case 'l':
      miniBus.emit("1");
      break
    case 'q':
      rl.close();
      break;
    default:
      console.log('invalid command');
      break;
  }
  rl.prompt();
}).on('close', function () {
  console.log('exit');
  process.exit(0);
});