@abandonware/noble/examples/pizza/pizza.js

A Node.js BLE (Bluetooth Low Energy) central library.

const util = require('util');
const events = require('events');

const PizzaCrust = {
  NORMAL: 0,
  DEEP_DISH: 1,
  THIN: 2
};

const PizzaToppings = {
  NONE: 0,
  PEPPERONI: 1 << 0,
  MUSHROOMS: 1 << 1,
  EXTRA_CHEESE: 1 << 2,
  BLACK_OLIVES: 1 << 3,
  CANADIAN_BACON: 1 << 4,
  PINEAPPLE: 1 << 5,
  BELL_PEPPERS: 1 << 6,
  SAUSAGE: 1 << 7
};

const PizzaBakeResult = {
  HALF_BAKED: 0,
  BAKED: 1,
  CRISPY: 2,
  BURNT: 3,
  ON_FIRE: 4
};

function Pizza () {
  events.EventEmitter.call(this);
  this.toppings = PizzaToppings.NONE;
  this.crust = PizzaCrust.NORMAL;
}

util.inherits(Pizza, events.EventEmitter);

Pizza.prototype.bake = function (temperature) {
  const time = temperature * 10;
  const self = this;
  console.log('baking pizza at', temperature, 'degrees for', time, 'milliseconds');
  setTimeout(function () {
    const result =
      (temperature < 350)
        ? PizzaBakeResult.HALF_BAKED
        : (temperature < 450)
            ? PizzaBakeResult.BAKED
            : (temperature < 500)
                ? PizzaBakeResult.CRISPY
                : (temperature < 600)
                    ? PizzaBakeResult.BURNT
                    : PizzaBakeResult.ON_FIRE;
    self.emit('ready', result);
  }, time);
};

module.exports.Pizza = Pizza;
module.exports.PizzaToppings = PizzaToppings;
module.exports.PizzaCrust = PizzaCrust;
module.exports.PizzaBakeResult = PizzaBakeResult;