.then(() => {
     const tagContainer = data.tags;
     const converter = new Converter({});
     return new Promise<TagGroup[]>((resolve, reject) => {
         converter.fromFile("./tests/tagGroup.csv", (err, result) => {
             const promises: Promise<TagGroup>[] = [];
             if (err) console.log(err);
             for (const row of result) {
                 if (!row['name']) continue;
                 let tagGroup: TagGroup = new TagGroup(row['name']);
                 let tagPromises = [];
                 for (const key in row) {
                     if (key == "name" || !row[key]) continue;
                     tagPromises.push(tagContainer.getByName(row[key]));
                 }
                 promises.push(
                     Promise.all<Tag>(tagPromises).then((tags:Tag[]) => {
                         tagGroup.member = tags;
                         console.log(tagGroup);
                        return Promise.resolve(tagGroup);
                     })
                 );
             }
             Promise.all<TagGroup>(promises)
                 .then(tagGroups2 => resolve(tagGroups2));
         });
     });
 })

 new Promise((resolve, reject) => {
     const converter = new Converter({});
     converter.fromFile("./tests/tag.csv", (err, result) => {
         if (err) {
             console.log(err);
         }
         for (const row of result) {
             let arr = [];
             for (const key in row) {
                 if (row[key]) {
                     arr.push(row[key]);
                 }
             }
             if (arr.length > 0) tags.push(new Tag(arr));
         }
         resolve();
     });
 })

//Converter Class 
var Converter = require("csvtojson").Converter;
var converter = new Converter({constructResult:false});  
 
//record_parsed will be emitted each csv row being processed 
converter.on("record_parsed", function (jsonObj:any) {
   console.log(jsonObj); //here is your result json object 
});
 
require("request").get("http://csvwebserver").pipe(converter);