2 files changed, 19 insertions, 0 deletions
diff --git a/stories/ng2-component-lab/utils/mock.json b/stories/ng2-component-lab/utils/mock.json
new file mode 100644
index 0000000..6cdaf3b
--- /dev/null
+++ b/stories/ng2-component-lab/utils/mock.json
@@ -0,0 +1,6 @@
+[{"id": "redId", "color": "red"},
+{"id": "yellowId", "color": "yellow"},
+{"id": "orangeId", "color": "orange"},
+{"id": "greenId", "color": "green"},
+{"id": "whiteId", "color": "white"},
+{"id": "blackId", "color": "black"}]
diff --git a/stories/ng2-component-lab/utils/pipes/keys.pipe.ts b/stories/ng2-component-lab/utils/pipes/keys.pipe.ts
new file mode 100644
index 0000000..2a58cd8
--- /dev/null
+++ b/stories/ng2-component-lab/utils/pipes/keys.pipe.ts
@@ -0,0 +1,13 @@
+import { Pipe, PipeTransform } from '@angular/core';
+
+@Pipe({name: 'keys'})
+export class KeysPipe implements PipeTransform {
+    transform(value, args:string[]) : any {
+        let keys = [];
+        for (let key in value) {
+            keys.push(key);
+        }
+        return keys;
+    }
+}
+