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Dont create new array on every render (#5177)

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Bram Kragten 2020-03-12 21:02:05 +01:00 committed by GitHub
parent 785ae4a83d
commit 669ed5cb28
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1 changed files with 4 additions and 1 deletions
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5
src/dialogs/more-info/controls/more-info-person.ts
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@ -15,12 +15,15 @@ import "../../../components/map/ha-map";
import { HomeAssistant } from "../../../types"; import { HomeAssistant } from "../../../types";
import { showZoneEditor } from "../../../data/zone"; import { showZoneEditor } from "../../../data/zone";
import { fireEvent } from "../../../common/dom/fire_event"; import { fireEvent } from "../../../common/dom/fire_event";
import memoizeOne from "memoize-one";
@customElement("more-info-person") @customElement("more-info-person")
class MoreInfoPerson extends LitElement { class MoreInfoPerson extends LitElement {
@property() public hass!: HomeAssistant; @property() public hass!: HomeAssistant;
@property() public stateObj?: HassEntity; @property() public stateObj?: HassEntity;
private _entityArray = memoizeOne((entityId: string) => [entityId]);
protected render(): TemplateResult { protected render(): TemplateResult {
if (!this.hass || !this.stateObj) { if (!this.hass || !this.stateObj) {
return html``; return html``;
@ -35,7 +38,7 @@ class MoreInfoPerson extends LitElement {
? html` ? html`
<ha-map <ha-map
.hass=${this.hass} .hass=${this.hass}
.entities=${[this.stateObj.entity_id]} .entities=${this._entityArray(this.stateObj.entity_id)}
></ha-map> ></ha-map>
` `
: ""} : ""}