From 5294d2804143ab3fd2cd25efc6ad348c8010a76f Mon Sep 17 00:00:00 2001
From: jona159 <raabejonas@yahoo.de>
Date: Thu, 18 Jun 2026 15:05:33 +0200
Subject: [PATCH 1/2] fix: account for drafted sensors that have undefined
 values

---
 app/lib/sensoricons.tsx | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/app/lib/sensoricons.tsx b/app/lib/sensoricons.tsx
index 5813b56b..f9c7365a 100644
--- a/app/lib/sensoricons.tsx
+++ b/app/lib/sensoricons.tsx
@@ -108,9 +108,10 @@ function getIcon(iconName: string) {
 	return <Icon className={sensorIconClassName} />
 }
 
-function assignIcon(sensorType: string, sensorTitle: string) {
-	const normalizedSensorType = sensorType.toLowerCase()
-	const normalizedSensorTitle = sensorTitle.toLowerCase()
+// args should accept null values for drafted / undefined sensors while editing
+function assignIcon(sensorType?: string | null, sensorTitle?: string | null) {
+	const normalizedSensorType = sensorType?.toLowerCase() ?? ''
+	const normalizedSensorTitle = sensorTitle?.toLowerCase() ?? ''
 
 	if (
 		normalizedSensorTitle.includes('luftfeuchte') ||

From 995ddefb4692fb53ee346c20bb6aaea34a654141 Mon Sep 17 00:00:00 2001
From: jona159 <raabejonas@yahoo.de>
Date: Thu, 18 Jun 2026 15:21:51 +0200
Subject: [PATCH 2/2] feat: prepend new sensor

---
 app/routes/device.$deviceId.edit.sensors.tsx | 32 +++++++++++++++-----
 1 file changed, 25 insertions(+), 7 deletions(-)

diff --git a/app/routes/device.$deviceId.edit.sensors.tsx b/app/routes/device.$deviceId.edit.sensors.tsx
index be5a9633..b3a81667 100644
--- a/app/routes/device.$deviceId.edit.sensors.tsx
+++ b/app/routes/device.$deviceId.edit.sensors.tsx
@@ -76,7 +76,9 @@ export async function action({ request, params }: Route.ActionArgs) {
 
 	const updatedSensorsDataJson = JSON.parse(updatedSensorsData)
 
-	for (const [index, sensor] of updatedSensorsDataJson.entries()) {
+	let persistedOrder = 0
+
+	for (const sensor of updatedSensorsDataJson) {
 		if (sensor?.new === true && sensor?.edited === true) {
 			await addNewSensor({
 				title: sensor.title,
@@ -84,8 +86,9 @@ export async function action({ request, params }: Route.ActionArgs) {
 				sensorType: sensor.sensorType,
 				icon: sensor.icon,
 				deviceId,
-				order: index,
+				order: persistedOrder,
 			})
+			persistedOrder++
 		} else if (sensor?.deleted === true) {
 			await deleteSensor(sensor.id)
 		} else if (!sensor?.new) {
@@ -95,8 +98,9 @@ export async function action({ request, params }: Route.ActionArgs) {
 				unit: sensor.unit,
 				sensorType: sensor.sensorType,
 				icon: sensor.icon,
-				order: index,
+				order: persistedOrder,
 			})
+			persistedOrder++
 		}
 	}
 
@@ -137,6 +141,16 @@ export default function EditBoxSensors() {
 	//* to view toast on edit-page
 	const [setToastOpen] = useOutletContext<[(_open: boolean) => void]>()
 
+	// Need to look up original sensor id in case a new sensor is prepended
+	// in edit mode and the operation is cancelled
+	const getOriginalSensor = React.useCallback(
+		(sensor: any, index: number) =>
+			sensor?.id
+				? data.find((item: any) => item.id === sensor.id)
+				: data[index],
+		[data],
+	)
+
 	React.useEffect(() => {
 		//* if sensors data were updated successfully
 		if (actionData && actionData?.isUpdated) {
@@ -209,7 +223,6 @@ export default function EditBoxSensors() {
 										variant="outline"
 										onClick={() => {
 											setSensorsData([
-												...sensorsData,
 												{
 													title: undefined,
 													unit: undefined,
@@ -218,6 +231,7 @@ export default function EditBoxSensors() {
 													new: true,
 													notValidInput: true,
 												},
+												...sensorsData,
 											])
 										}}
 										className="gap-2"
@@ -576,10 +590,14 @@ export default function EditBoxSensors() {
 																if (sensor?.new) {
 																	sensorsData.splice(index, 1)
 																} else {
+																	const originalSensor = getOriginalSensor(
+																		sensor,
+																		index,
+																	)
 																	sensor.editing = false
-																	sensor.title = data[index].title
-																	sensor.unit = data[index].unit
-																	sensor.sensorType = data[index].sensorType
+																	sensor.title = originalSensor?.title
+																	sensor.unit = originalSensor?.unit
+																	sensor.sensorType = originalSensor?.sensorType
 																}
 															}}
 														>