check for 6.86 patch

dota2_6_86_checker.js

'use strict';

var Promise = require('bluebird');
var request = Promise.promisifyAll(require('request'));
var open = require('open');

var FOUND = false;

function promiseWhile(predicate, action) {
  function loop() {
      if (!predicate()) return;
      return Promise.resolve(action()).then(loop);
  }
  return Promise.resolve().then(loop);
}

var createResponsePromise = function () {
  return request.getAsync('http://blog.dota2.com/');
}

promiseWhile(function () {
  return !FOUND;
}, function () {
  console.log('checking dota 2 blog at ' + new Date());
  return createResponsePromise().then(function (res) {
    if (res.body.indexOf('6.86') > -1) {
      FOUND = true;
      console.log('6.86 IS HERE!!!!');
      open('http://blog.dota2.com/')
    }
  }).catch(function (e) {
    console.error(e);
  }).delay(60*1000);
})