Merge pull request #1309 from sdetweil/fix_suspend

invoke callback for suspend notification, even if no dom content

CHANGELOG.md

@@ -2,6 +2,7 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+=======
 ## [2.4.0] - Unreleased (Current Develop Branch)
 
 *This release is scheduled to be released on 2018-07-01.*
@@ -24,6 +25,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 ### Changed
 - Upgrade to Electron 2.0.0.
 - Remove yarn-or-npm which breaks production builds.
+- Invoke module suspend even if no dom content. [#1308](https://github.com/MichMich/MagicMirror/issues/1308)
 
 ### Fixed
 - Fixed issue where wind chill could not be displayed in Fahrenheit. [#1247](https://github.com/MichMich/MagicMirror/issues/1247)

js/main.js

@@ -245,6 +245,9 @@ var MM = (function() {
 
 				if (typeof callback === "function") { callback(); }
 			}, speed);
+		} else {
+			// invoke callback even if no content, issue 1308
+			if (typeof callback === "function") { callback(); }
 		}
 	};