From e800147eaa0a95cfe8a82723c9d8295633d43f51 Mon Sep 17 00:00:00 2001
From: Franco Speziali <developer@wemakemachines.com>
Date: Thu, 25 May 2023 15:48:53 +0200
Subject: [PATCH] Default to day grouping if invalid parameter

---
 src/Calendar/index.ts | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/src/Calendar/index.ts b/src/Calendar/index.ts
index df69afa..6d0a2dc 100644
--- a/src/Calendar/index.ts
+++ b/src/Calendar/index.ts
@@ -14,12 +14,24 @@ export default class Calendar {
 
   constructor(json: object) {
     this.jsonContent = json;
-    this.groupType = json["group"]
-      ? json["group"].charAt(0).toUpperCase()
-      : GroupTypes.Day;
+    this.groupType = this.getGroupType(json);
     this.events = new Events(json["events"]);
   }
 
+  private getGroupType(json: object): GroupTypes {
+    if (!json["group"]) {
+      return GroupTypes.Day;
+    }
+
+    const groupType = json["group"].charAt(0).toUpperCase();
+
+    if (!Object.values(GroupTypes).includes(groupType)) {
+      return GroupTypes.Day;
+    }
+
+    return groupType;
+  }
+
   render(): HTMLDivElement {
     switch (this.groupType) {
       case GroupTypes.Day: