Replace Ember app with Mithril app

js/lib/components/alerts.js

@@ -0,0 +1,34 @@
+import Component from 'flarum/component';
+
+export default class Alerts extends Component {
+  constructor(props) {
+    super(props);
+
+    this.components = [];
+  }
+
+  view() {
+    return m('div.alerts', this.components.map((component) => {
+      component.props.ondismiss = this.dismiss.bind(this, component);
+      return m('div.alert-wrapper', component);
+    }));
+  }
+
+  show(component) {
+    this.components.push(component);
+    m.redraw();
+  }
+
+  dismiss(component) {
+    var index = this.components.indexOf(component);
+    if (index !== -1) {
+      this.components.splice(index, 1);
+    }
+    m.redraw();
+  }
+
+  clear() {
+    this.components = [];
+    m.redraw();
+  }
+}