fme-fv-fetch/fv-fetch.ts

This fetches the fair-value numbers from index-arb.com

import {Log} from "fme-logger";
import * as cheerio from "cheerio";
import * as request from "request";

var L = new Log("fv-fetch");

export class FairValues {
    timeStamp = new Date();
    SPX = "";
    NQ = "";
    DOW = "";
    constructor() {
        this.SPX = this.NQ = this.DOW = "N/A";
        this.timeStamp = new Date(); 
    }

}

export class FairValue {
    fairValues:any;

    fetch() {
        L.debug ("fetching Fair Values");
        this.fairValues = new FairValues(); 
        request({
            uri: 'http://indexarb.com',
            },(err,res,body) => {
                var $ = cheerio.load(body);
                var idx = 0;
                var td = $("td");
             //   L.info(td.length);
            //    for (var i=0; i<td.length; i++) {
            //        L.info(i,td[i].children[0].data);
           //     }
                var spx = td[66].children[0].data;
                if (typeof spx == "string") {
                    this.fairValues.SPX = spx.replace(/[^0-9.+-]/g,"");
                } 
                var nq =  td[72].children[0].data;
                if (typeof nq == "string") {
                    this.fairValues.NQ = nq.replace(/[^0-9.+-]/g,"");
                } 
                var dow =  td[78].children[0].data;
                if (typeof dow == "string") {
                    this.fairValues.DOW = dow.replace(/[^0-9.+-]/g,"");
                } 
                L.info ("SPX FV:",this.fairValues.SPX," NQ FV:",this.fairValues.NQ,"DOW FV:",this.fairValues.DOW);
            });
    }

}