From ae35fd1eb86377547e5feb8fcaac1a1a7a624d47 Mon Sep 17 00:00:00 2001
From: karwosts <32912880+karwosts@users.noreply.github.com>
Date: Mon, 9 Oct 2023 05:34:16 -0700
Subject: [PATCH] Fix handling of negative zero in number selectors (#17127)

---
 src/components/ha-selector/ha-selector-number.ts | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/components/ha-selector/ha-selector-number.ts b/src/components/ha-selector/ha-selector-number.ts
index 8c569e4d07..0ed0c02971 100644
--- a/src/components/ha-selector/ha-selector-number.ts
+++ b/src/components/ha-selector/ha-selector-number.ts
@@ -1,4 +1,4 @@
-import { css, CSSResultGroup, html, LitElement } from "lit";
+import { css, CSSResultGroup, html, LitElement, PropertyValues } from "lit";
 import { customElement, property } from "lit/decorators";
 import { classMap } from "lit/directives/class-map";
 import { fireEvent } from "../../common/dom/fire_event";
@@ -26,6 +26,17 @@ export class HaNumberSelector extends LitElement {
 
   @property({ type: Boolean }) public disabled = false;
 
+  private _valueStr = "";
+
+  protected willUpdate(changedProps: PropertyValues) {
+    if (changedProps.has("value")) {
+      if (this.value !== Number(this._valueStr)) {
+        this._valueStr =
+          !this.value || isNaN(this.value) ? "" : this.value.toString();
+      }
+    }
+  }
+
   protected render() {
     const isBox = this.selector.number?.mode === "box";
 
@@ -64,7 +75,7 @@ export class HaNumberSelector extends LitElement {
           class=${classMap({ single: this.selector.number?.mode === "box" })}
           .min=${this.selector.number?.min}
           .max=${this.selector.number?.max}
-          .value=${this.value ?? ""}
+          .value=${this._valueStr ?? ""}
           .step=${this.selector.number?.step ?? 1}
           helperPersistent
           .helper=${isBox ? this.helper : undefined}
@@ -86,6 +97,7 @@ export class HaNumberSelector extends LitElement {
 
   private _handleInputChange(ev) {
     ev.stopPropagation();
+    this._valueStr = ev.target.value;
     const value =
       ev.target.value === "" || isNaN(ev.target.value)
         ? undefined