Prevent currentweather module from crashing.

CHANGELOG.md

@@ -16,6 +16,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 - Append endpoints of weather modules with `/` to retreive the correct data. (Issue [#337](https://github.com/MichMich/MagicMirror/issues/337))
 - Corrected grammer in `module.js` from 'suspend' to 'suspended'.
 - Fixed openweathermap.org URL in config sample.
+- Prevent currentweather module from crashing when received data object is incorrect.
 
 ### Updated
 - Updated package.json to fix possible vulnerabilities. (Using snyk)

modules/default/currentweather/currentweather.js

@@ -217,6 +217,13 @@ Module.register("currentweather",{
 	 * argument data object - Weather information received form openweather.org.
 	 */
 	processWeather: function(data) {
+
+		if (!data || !data.main || !data.main.temp) {
+			// Did not receive usable new data.
+			// Maybe this needs a better check?
+			return;
+		}
+
 		this.temperature = this.roundValue(data.main.temp);
 
 		if (this.config.useBeaufort){