リトルノアの部屋番号自動で見に行くやつ

littlenoar_coop.es6

import moment    from 'moment';
import cheerio   from 'cheerio';
import request   from 'superagent';

const LEVEL_NUM  = 8;
const MAP_NUMS   = [4, 5];

var _url = 'http://wiki.famitsu.com/littlenoah' +
          '/COOP%E5%8B%9F%E9%9B%86%E6%8E%B2%E7%A4%BA%E6%9D%BF' +
          '/%E3%82%A8%E3%83%AA%E3%82%A2' + LEVEL_NUM;

var _regexps = MAP_NUMS.map(v => {
  return new RegExp(`(${LEVEL_NUM})?[\\-\\.\\*]*(${v})[\\S\\s]*(\\d{5})`, 'm');
});
var _caches = [];

var fetchHTML = () => {
  return new Promise((resolve, reject) => {
    request.get(_url).end((err, res) => {
        if (err) return reject(err);

        resolve({ html: res.text });
      });
  });
};

var getCommentsByHTML = html => {
  var $            = cheerio.load(html);
  var $commentBody = $('.comment-body')
  var texts        = [];

  $commentBody.each((i, el) => {
    texts.push($(el).text());
  });

  return texts;
};

var parseCoop = text => {
  for (let i = 0; i < _regexps.length; ++i) {
    let result = _regexps[i].exec(text);

    if (!result || !result[3]) continue;

    let [, level, map, id] = result;

    level = level || LEVEL_NUM;

    return { stage: `${level}-${map}`, id: id };
  }

  return null;
};

var cacheCoop = coop => {
  if (_caches.indexOf(coop.id) > -1) return false;

  if (_caches.length === 100) _caches.shift();

  _caches.push(coop.id);

  return true;
};

var output = (coops) => {
  var now = moment().format('HH:mm:ss');

  coops.forEach(coop => {
    console.log(`[${now}] ${coop.stage} : ${coop.id}`);
  });

  console.log(`[${now}] ----`);
};

(function main() {
  fetchHTML().then(function(data) {
    var comments = getCommentsByHTML(data.html);

    var coops    = comments.map(parseCoop).filter(v => !!v);
    var newCoops = coops.filter(cacheCoop);

    output(newCoops);
  }).catch(function(err) {
    console.error(err);
  });

  setTimeout(main, 1000);
})();