From 9bcd566bee93afaa228dd570f5223aaba2fd7c11 Mon Sep 17 00:00:00 2001
From: Harald Bamberger <harald.bamberger@technikum-wien.at>
Date: Wed, 12 Feb 2025 17:57:53 +0100
Subject: [PATCH] fix TransitionGroup children have to be keyed and duplicate
 attribute v-bind

---
 public/js/components/Dashboard/Section.js | 3 ++-
 public/js/components/Drop/Grid.js         | 6 +++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/public/js/components/Dashboard/Section.js b/public/js/components/Dashboard/Section.js
index 6ab57ee77..ab931543d 100644
--- a/public/js/components/Dashboard/Section.js
+++ b/public/js/components/Dashboard/Section.js
@@ -96,7 +96,8 @@ export default {
 						}
 					}
 					else {
-						placeholders.push({ x: x, y: y, w: 1, h: 1, placeholder: true });
+						placeholders.push({ x: x, y: y, w: 1, h: 1, placeholder: true, 
+							data: { id: 'placeholder_' + String(placeholders.length).padStart(4, "0") } });
 					}
 				}
 			}
diff --git a/public/js/components/Drop/Grid.js b/public/js/components/Drop/Grid.js
index 97f83ddd3..0381352d4 100644
--- a/public/js/components/Drop/Grid.js
+++ b/public/js/components/Drop/Grid.js
@@ -359,8 +359,8 @@ export default {
 		@mouseleave="mouseLeave">
 		<TransitionGroup tag="div">
 			<grid-item
-				v-for="item in (mode == 0 && active? placedItems_withPlaceholders : placedItems)"
-				:key="item.id"
+				v-for="item in (mode == 0 && active ? placedItems_withPlaceholders : placedItems)"
+				:key="item.data.id"
 				:item="item"
 				@start-move="startMove"
 				@start-resize="startResize"
@@ -378,7 +378,7 @@ export default {
 					paddingRight: 'var(--fhc-dg-item-padding-horizontal)'
 				}">
 				<template v-slot="item">
-					<slot v-bind="item.data" v-bind="item" :x="item.x" :y="item.y" ></slot>
+					<slot v-bind="{...item, ...item.data}" :x="item.x" :y="item.y" ></slot>
 				</template>
 			</grid-item>
 		</TransitionGroup>