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Add shouldUpdate

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This commit is contained in:
Ludeeus 2021-10-09 15:38:51 +00:00
parent b766f2f337
commit d3e2cc9128
1 changed files with 13 additions and 1 deletions
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14
src/components/ha-alert.ts
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@ -7,7 +7,7 @@ import {
mdiClose,
mdiInformationOutline,
} from "@mdi/js";
import { css, html, LitElement } from "lit";
import { css, 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";
@ -47,6 +47,18 @@ class HaAlert extends LitElement {
@property({ type: Boolean }) public rtl = false;
protected shouldUpdate(changedProps: PropertyValues): boolean {
if (changedProps.size !== 1 || !changedProps.has("hass")) {
return true;
}
const oldHass = changedProps.get("hass") as HomeAssistant;
if (!oldHass || !this.hass) {
return false;
}
return this.hass.language !== oldHass.language;
}
public render() {
return html`
<div