Added event emitters and fixed document deletion

frontend/stores/BaseStore.js

@@ -0,0 +1,19 @@
+// @flow
+import { EventEmitter } from 'fbemitter';
+import _ from 'lodash';
+
+const emitter = new EventEmitter();
+window.__emitter = emitter;
+
+class BaseStore {
+  emitter: EventEmitter;
+  on: (eventName: string, callback: Function) => void;
+  emit: (eventName: string, data: any) => void;
+
+  constructor() {
+    _.extend(this, emitter);
+    this.on = emitter.addListener;
+  }
+}
+
+export default BaseStore;