Add document title handling

client/src/js/modules/documentTitle.js

@@ -0,0 +1,28 @@
+import capitalize from 'lodash/capitalize';
+import observe from '../util/observe';
+import { getCurrentServerName } from '../reducers/servers';
+
+const getRouter = state => state.router;
+
+export default function documentTitle({ store }) {
+  observe(
+    store,
+    [getRouter, getCurrentServerName],
+    (router, serverName) => {
+      let title;
+
+      if (router.route === 'chat') {
+        const { name } = router.params;
+        if (name) {
+          title = `${name} @ ${serverName}`;
+        } else {
+          title = serverName;
+        }
+      } else {
+        title = capitalize(router.route);
+      }
+
+      document.title = `${title} | Dispatch`;
+    }
+  );
+}