fix(select): allow empty items

* chore(package): update tslint-config-valorsoft to version 1.0.4

https://greenkeeper.io/

* check invalid data in items and remove them

* fig bug if incoming data is undefined

components/select/select.ts

@@ -197,8 +197,16 @@ export class SelectComponent implements OnInit {
 
   @Input()
   public set items(value:Array<any>) {
-    this._items = value;
-    this.itemObjects = this._items.map((item:any) => (typeof item === 'string' ? new SelectItem(item) : new SelectItem({id: item[this.idField], text: item[this.textField]})));
+    if (!value) {
+      this._items = this.itemObjects = [];
+    } else {
+      this._items = value.filter((item:any) => {
+        if ((typeof item === 'string' && item) || (typeof item === 'object' && item && item.text && item.id)) {
+          return item;
+        }
+      });
+      this.itemObjects = this._items.map((item:any) => (typeof item === 'string' ? new SelectItem(item) : new SelectItem({id: item[this.idField], text: item[this.textField]})));
+    }
   }
 
   @Input()

package.json

@@ -107,7 +107,7 @@
     "source-map-loader": "0.1.5",
     "systemjs-builder": "0.15.19",
     "ts-loader": "0.8.2",
-    "tslint-config-valorsoft": "1.0.3",
+    "tslint-config-valorsoft": "1.0.4",
     "typescript": "1.8.10",
     "typings": "0.8.1",
     "webpack": "1.13.1",