fix: validate group name

Signed-off-by: Dominik Kuzila <[email protected]>

AUTHORS.md

@@ -9,6 +9,7 @@
 - Christian Kraus <[email protected]>
 - Christoph Wurst <[email protected]>
 - Daniel Kesselberg <[email protected]>
+- Dominik Kuzila <[email protected]>
 - Gary Kim <[email protected]>
 - Georg Ehrke <[email protected]>
 - Greta Doci <[email protected]>

src/store/groups.js

@@ -184,6 +184,9 @@ const actions = {
 	 * @param {string} groupName the name of the group
 	 */
 	addGroup(context, groupName) {
+		if (!groupName || groupName.trim() === '') {
+			throw new Error('Group name cannot be empty')
+		}
 		context.commit('addGroup', groupName)
 	},
 }