chore: interface updated

@@ -243,6 +243,8 @@ var PROGRAM_ITEM_TYPE_SLIDESHOW = "slideshow";
 var PROGRAM_ITEM_TYPE_VIDEO = "video";
 var ProgramItem = (function () {
     function ProgramItem() {
+        this._type = "";
+        this._data = {};
     }
     Object.defineProperty(ProgramItem.prototype, "type", {
         get: function () {
@@ -318,14 +320,16 @@ var ProgramItemFactory = (function () {
         var _this = this;
         return this._programRepository.findByIds(data.images)
             .then(function (images) {
-            programItem.data = {
-                speed: data.settings.speed,
-                effect: data.settings.effect,
-                images: []
-            };
-            for (var _i = 0, images_1 = images; _i < images_1.length; _i++) {
-                var image = images_1[_i];
-                programItem.data.images.push(_this.basePath + image.filename);
+            programItem.data.speed = data.settings.speed;
+            programItem.data.effect = data.settings.effect;
+            programItem.data.images = [];
+            if (images && images.length > 0) {
+                for (var _i = 0, images_1 = images; _i < images_1.length; _i++) {
+                    var image = images_1[_i];
+                    if (image && image.filename) {
+                        programItem.data.images.push(_this.basePath + image.filename);
+                    }
+                }
             }
             return programItem;
         });
@@ -334,9 +338,7 @@ var ProgramItemFactory = (function () {
         var _this = this;
         return this._programRepository.findById(data.video)
             .then(function (data) {
-            programItem.data = {
-                video: _this.basePath + data['filename']
-            };
+            programItem.data.video = _this.basePath + data['filename'];
             return programItem;
         });
     };

@@ -2,7 +2,7 @@ interface ProgramRepository {
     findById(id:string) : Promise<any>;
     findByIds(ids:Array<string>) : Promise<Array<any>>;
     findByType(type:string) : Promise<Array<any>>;
-    replicate() : Promise<void>;
+    replicate() : Promise<boolean>;
 }
 
 interface Player {

@@ -7,7 +7,7 @@
   "scripts": {
     "pretest": "tsc --target es5 --outDir .tmp spec/index.ts",
     "test": "jasmine .tmp/spec/index.js",
-    "posttest": "rm -R .tmp",
+    "posttest": "rm -rf .tmp",
     "build:tsc": "rollup -c rollup.config.js"
   },
   "author": "Stefan Huber <stefan.huber@beyondit.at>",

@@ -50,15 +50,17 @@ export class ProgramItemFactory {
     prepareSlideshowItem(programItem:ProgramItem, data:any) : Promise<ProgramItem> {
         return this._programRepository.findByIds(data.images)
             .then(images => {            
-                programItem.data = {
-                    speed  : data.settings.speed ,
-                    effect : data.settings.effect ,
-                    images : []
-                }; 
+                programItem.data.speed = data.settings.speed;
+                programItem.data.effect = data.settings.effect;
+                programItem.data.images = [];
 
-                for (let image of images) {
-                    programItem.data.images.push(this.basePath + image.filename);
-                }
+                if (images && images.length > 0) {
+                    for (let image of images) {
+                        if (image && image.filename) {
+                            programItem.data.images.push(this.basePath + image.filename);
+                        }
+                    }
+                }                
 
                 return programItem;
             });
@@ -67,9 +69,7 @@ export class ProgramItemFactory {
     prepareVideoItem(programItem:ProgramItem, data:any) : Promise<ProgramItem> {
         return this._programRepository.findById(data.video)
             .then((data) => {                
-                programItem.data = {
-                    video : this.basePath + data['filename']
-                }; 
+                programItem.data.video = this.basePath + data['filename']; 
                 return programItem;
             });
     }

@@ -3,8 +3,8 @@ export const PROGRAM_ITEM_TYPE_VIDEO = "video";
 
 export class ProgramItem {
 
-    protected _type:string;
-    protected _data:any;
+    protected _type:string = "";
+    protected _data:any = {};
 
     set type(t:string) {
         this._type = t;