build single test bunding using Webpack context

static/js/services/datafile/datafile.service.impl.ts

@@ -1,23 +1,36 @@
-import { DatafileService } from './datafile.service';
+import { DataFileService } from './datafile.service';
+import { Injectable } from 'angular-ts-decorators';
 declare const JSZip: (buf: any) => void;
 declare const Zlib: any;
 declare const Untar: (uint8Array: Uint8Array) => void;
 
 
-export class DatafileServiceImpl implements DatafileService {
+@Injectable(DataFileService.name)
+export class DataFileServiceImpl implements DataFileService {
 
   public blobToString(blob: any, callback: (result: string) => void): void {
-
+    var reader: FileReader = new FileReader();
+    reader.onload = (event: Event) => callback(reader.result);
+    reader.readAsText(blob);
   }
 
   public arrayToString(buf: any, callback: (result: string) => void): void {
-
+    var blob: Blob = new Blob([buf], {type: 'application/octet-binary'});
+    var reader = new FileReader();
+    reader.onload = (event: Event) => callback(event.target['result']);
+    reader.onerror = (event: Event) => callback(null);
+    reader.onabort = (event: Event) => callback(null);
+    reader.readAsText(blob);
   }
 
   public readDataArrayAsPossibleArchive(buf: any,
                                         success: (result: any) => void,
                                         failure: (error: any) => void): void {
-
+    this.tryAsZip(buf, success, () => {
+      this.tryAsTarGz(buf, success, () => {
+        this.tryAsTar(buf, success, failure);
+      });
+    });
   }
 
   public downloadDataFileAsArrayBuffer($scope: ng.IScope,
@@ -25,7 +38,36 @@ export class DatafileServiceImpl implements DatafileService {
                                        progress: (percent: number) => void,
                                        error: () => void,
                                        loaded: (uint8array: Uint8Array) => void): void {
+    var request: XMLHttpRequest = new XMLHttpRequest();
+    request.open('GET', url, true);
+    request.responseType = 'arraybuffer';
 
+    request.onprogress = (e) => {
+      $scope.$apply(() => {
+        var percentLoaded;
+        if (e.lengthComputable) {
+          progress(e.loaded / e.total);
+        }
+      });
+    };
+
+    request.onerror = () => {
+      $scope.$apply(() => {
+        error();
+      });
+    };
+
+    request.onload = function() {
+      if (request.status == 200) {
+        $scope.$apply(() => {
+          var uint8array = new Uint8Array(request.response);
+          loaded(uint8array);
+        });
+        return;
+      }
+    };
+
+    request.send();
   }
 
   private getName(filePath: string): string {