From 05f2fb896cba40aa105354abef59a9a5d0de8f91 Mon Sep 17 00:00:00 2001
From: karwosts <32912880+karwosts@users.noreply.github.com>
Date: Mon, 20 Feb 2023 09:14:04 -0800
Subject: [PATCH] Block target picker from adding badly formatted entity (fix
 history crash) (#15509)

---
 src/components/ha-target-picker.ts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/components/ha-target-picker.ts b/src/components/ha-target-picker.ts
index 39b240f411..200feca500 100644
--- a/src/components/ha-target-picker.ts
+++ b/src/components/ha-target-picker.ts
@@ -18,6 +18,7 @@ import { ensureArray } from "../common/array/ensure-array";
 import { fireEvent } from "../common/dom/fire_event";
 import { computeDomain } from "../common/entity/compute_domain";
 import { computeStateName } from "../common/entity/compute_state_name";
+import { isValidEntityId } from "../common/entity/valid_entity_id";
 import {
   computeDeviceName,
   DeviceRegistryEntry,
@@ -351,6 +352,11 @@ export class HaTargetPicker extends LitElement {
     }
     const value = ev.detail.value;
     const target = ev.currentTarget;
+
+    if (target.type === "entity_id" && !isValidEntityId(value)) {
+      return;
+    }
+
     target.value = "";
     if (
       this.value &&