From 6cf13af5ce7b12166381c92a7baf7e32a54e790a Mon Sep 17 00:00:00 2001
From: Yoshua Wuyts <yoshuawuyts+github@gmail.com>
Date: Wed, 26 Apr 2017 13:52:34 +0200
Subject: [PATCH] warn on unmount (#485)

---
 index.js     | 1 +
 package.json | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 2b08f2d..959ad70 100644
--- a/index.js
+++ b/index.js
@@ -57,6 +57,7 @@ function Choo (opts) {
       }
       var newTree = router(createLocation())
       tree = nanomorph(tree, newTree)
+      assert.notEqual(tree, newTree, 'choo.start: a different node type was returned as the root node on a rerender. Make sure that the root node is always the same type to prevent the application from being unmounted.')
       if (hasPerformance && timingEnabled) {
         window.performance.mark('choo:renderEnd')
         window.performance.measure('choo:render', 'choo:renderStart', 'choo:renderEnd')
diff --git a/package.json b/package.json
index 7cad350..f69477f 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "deps": "dependency-check --entry ./html.js . && dependency-check . --extra --no-dev --entry ./html.js",
     "inspect": "browserify --full-paths index -g unassertify -g uglifyify | discify --open",
     "prepublish": "npm run build",
-    "start": "bankai start example --optimize",
+    "start": "bankai start example",
     "test": "standard && npm run deps && node test.js"
   },
   "repository": "yoshuawuyts/choo",