From e88b11c3a767595a2d0bf42e3f87ef0b6c4b7d1b Mon Sep 17 00:00:00 2001
From: Ian Gulliver <ian@flamingcow.tv>
Date: Fri, 8 Jan 2016 14:34:16 -0800
Subject: [PATCH] Better type checking for logout event.

---
 static/babystats.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/static/babystats.js b/static/babystats.js
index ffd65f4..df895be 100644
--- a/static/babystats.js
+++ b/static/babystats.js
@@ -199,7 +199,8 @@ BabyStats.prototype.onLogin_ = function(e) {
  * @private
  */
 BabyStats.prototype.onLogout_ = function(e) {
-  this.loginURL_ = e.detail.login_url;
+  var detail = /** @type {Cosmopolite.typeEventLogoutDetail} */ (e.detail);
+  this.loginURL_ = detail.login_url;
   this.loginRule_.style.visibility = 'visible';
   this.checkOverlay_();
 };