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Reload frontend if backend changes (#5489)

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* Reload frontend if backend changes

* Better implementation

* Store ha version
This commit is contained in:
Paulus Schoutsen 2020-04-10 02:55:53 -07:00 committed by GitHub
parent ee278f111f
commit 0c1714ef78
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2 changed files with 30 additions and 5 deletions
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26
src/layouts/home-assistant.ts
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@ -5,7 +5,10 @@ import "./home-assistant-main";
import "./ha-init-page";
import "../resources/ha-style";
import "../resources/custom-card-support";
import { registerServiceWorker } from "../util/register-service-worker";
import {
registerServiceWorker,
supportsServiceWorker,
} from "../util/register-service-worker";
import { Route, HomeAssistant } from "../types";
import { navigate } from "../common/navigate";
@ -16,6 +19,7 @@ export class HomeAssistantAppEl extends HassElement {
@property() private _route?: Route;
@property() private _error = false;
@property() private _panelUrl?: string;
private _haVersion?: string;
protected render() {
const hass = this.hass;
@ -64,9 +68,29 @@ export class HomeAssistantAppEl extends HassElement {
}
}
protected hassReconnected() {
super.hassReconnected();
// If backend has been upgraded, make sure we update frontend
if (this.hass!.connection.haVersion !== this._haVersion) {
if (supportsServiceWorker()) {
navigator.serviceWorker.getRegistration().then((registration) => {
if (registration) {
registration.update();
} else {
location.reload(true);
}
});
} else {
location.reload(true);
}
}
}
protected async _initialize() {
try {
const { auth, conn } = await window.hassConnection;
this._haVersion = conn.haVersion;
this.initializeHass(auth, conn);
} catch (err) {
this._error = true;

9
src/util/register-service-worker.ts
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@ -1,11 +1,12 @@
import { HassElement } from "../state/hass-element";
import { showToast } from "./toast";
export const supportsServiceWorker = () =>
"serviceWorker" in navigator &&
(location.protocol === "https:" || location.hostname === "localhost");
export const registerServiceWorker = (notifyUpdate = true) => {
if (
!("serviceWorker" in navigator) ||
(location.protocol !== "https:" && location.hostname !== "localhost")
) {
if (!supportsServiceWorker()) {
return;
}