Replace Ember app with Mithril app

js/lib/utils/evented.js

@@ -0,0 +1,36 @@
+export default {
+  handlers: null,
+
+  /**
+
+   */
+  getHandlers(event) {
+    this.handlers = this.handlers || {};
+    return this.handlers[event] = this.handlers[event] || [];
+  },
+
+  /**
+
+   */
+  trigger(event, ...args) {
+    this.getHandlers(event).forEach((handler) => handler.apply(this, args));
+  },
+
+  /**
+
+   */
+  on(event, handler) {
+    this.getHandlers(event).push(handler);
+  },
+
+  /**
+
+   */
+  off(event, handler) {
+    var handlers = this.getHandlers(event);
+    var index = handlers.indexOf(handler);
+    if (index !== -1) {
+      handlers.splice(index, 1);
+    }
+  }
+}