Twitter Service Angular 2

twitter-service.ts

import {Injectable} from 'angular2/core';
import {URLSearchParams, Jsonp} from 'angular2/http';

@Injectable()
export class TwitterService {
  constructor(private jsonp:Jsonp) {
  }

  search(widgetID:string) {
    let randomNumber:number = Math.random();

    function parse(data:any) {
      let response = {
          tweets: []
        },
        els:any,
        el:any,
        tweet:any,
        x:number,
        tmp:any;

      if (data._body) {
        els = $(data._body.body)[0].getElementsByClassName('timeline-Tweet');
        for (x = 0; x < els.length; x++) {
          el = els[x];
          tweet = {};
          tweet.retweet = (el.getElementsByClassName('timeline-Tweet-retweetCredit').length > 0);
          tweet.id = el.getAttribute('data-tweet-id');
          tmp = el.getElementsByClassName('timeline-Tweet-text')[0];
          tweet.title = tmp.innerHTML;
          tweet.text = tmp.textContent || tmp.innerText; // IE8 doesn't support textContent
          tmp = el.getElementsByClassName('timeline-Tweet-author')[0];
          tweet.author = {
            url: tmp.getElementsByClassName('TweetAuthor-link')[0].getAttribute('href'),
            avatar: tmp.getElementsByClassName('Avatar')[0].getAttribute('data-src-1x'),
            fullName: tmp.getElementsByClassName('TweetAuthor-name')[0].innerText,
            nickName: tmp.getElementsByClassName('TweetAuthor-screenName')[0].innerText
          };
          tweet.updated = el.getElementsByClassName('dt-updated')[0].innerText;
          tweet.link = el.getElementsByClassName('timeline-Tweet-timestamp')[0].getAttribute('href');
          if (el.getElementsByClassName('timeline-Tweet-media')[0]) {
            tweet.inlineMedia = el.getElementsByClassName('timeline-Tweet-media')[0].innerHTML;
          }
          response.tweets.push(tweet);
        }
      }
      return response;
    }

    return this.jsonp
      .get(`http://cdn.syndication.twimg.com/widgets/timelines/${widgetID}?&lang=en&callback=JSONP_CALLBACK&suppress_response_codes=true&rnd=${randomNumber}`)
      .toPromise()
      .then(parse)
      .then((unfilteredJSON:any) => {
        let filteredJSON = {tweets: []};
        const pictureRegex = new RegExp(">pic.twitter.com/(.*?)<");
        const shortLinkString = `<span class="u-hiddenVisually">http://</span>zndg.tl/(.*?)</span>`;
        const shortLinkRegex = new RegExp(shortLinkString);
        let filterArray = [];

        unfilteredJSON.tweets.map((tweet:any)=> {
          if (tweet.retweet === false)
            filterArray.push(tweet)
        });

        for (let i = 0; i < filterArray.length; i++) {
          filterArray[i].shortLink = filterArray[i].title.match(shortLinkRegex);
          if (filterArray[i].shortLink) {
            filterArray[i].shortLink = filterArray[i].shortLink[1];
            filterArray[i].shortLink = filterArray[i].shortLink.replace('<span class="u-hiddenVisually">&nbsp;', '');
            filterArray[i].shortLink = `http://zndg.tl/${filterArray[i].shortLink}`;
            filterArray[i].title = filterArray[i].title.replace(shortLinkRegex, '');
            filterArray[i].title = filterArray[i].title.replace('&nbsp;', '');
          }
        }

        filterArray.map((tweet:any)=> {
          if (!tweet.text.startsWith('RT'))
            filteredJSON.tweets.push(tweet);
        });

        return filteredJSON;
      })
      .then((finalJSON:any) => {
        return finalJSON;
      });
  }
}