Bouton pour supprimer les anciens messages

module/chat-utility.js

@@ -5,7 +5,7 @@ import { RdDTextEditor } from "./apps/rdd-text-roll-editor.js";
 
 
 /**
- * Class providing helper methods to get the list of users, and
+ * Class providing helper methods around the Chat message
  */
 export class ChatUtility {
 
@@ -233,7 +233,12 @@ export class ChatUtility {
   static async setTimestamp(chatMessage) {
     await chatMessage.setFlag(SYSTEM_RDD, 'rdd-timestamp', game.system.rdd.calendrier.getTimestamp());
   }
-// TODO: find ChatLog to change the action for data-action flush
+
+  static getISODate(chatMessage) {
+    const date = new Date(chatMessage.timestamp);
+    return date?.toISOString().substring(0, 10)
+  }
+
 
   // async flush() {
   //   const question = game.i18n.localize("AreYouSure");