From 96589a2658675f4977d12b17034ae4b549801e96 Mon Sep 17 00:00:00 2001
From: Adhityaa Chandrasekar <adtac@adtac.in>
Date: Fri, 28 Dec 2018 11:59:02 -0500
Subject: [PATCH] commento.js: warn user if no div with id=commento

Closes https://gitlab.com/commento/commento/issues/42
---
 frontend/js/commento.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/frontend/js/commento.js b/frontend/js/commento.js
index 8fe9ca4..8b54ed4 100644
--- a/frontend/js/commento.js
+++ b/frontend/js/commento.js
@@ -1561,6 +1561,11 @@
 
   global.main = function(callback) {
     root = $(ID_ROOT);
+    if (root === null) {
+      console.log("[commento] error: no root element with ID '" + ID_ROOT + "' found");
+      return;
+    }
+
     classAdd(root, "root");
 
     loginBoxCreate();