Align layout of all cards

.eslintrc.json

@@ -4,7 +4,8 @@
     "plugin:@typescript-eslint/recommended",
     "plugin:wc/recommended",
     "plugin:lit/recommended",
-    "prettier"
+    "prettier",
+    "prettier/@typescript-eslint"
   ],
   "parser": "@typescript-eslint/parser",
   "parserOptions": {
@@ -28,7 +29,9 @@
     "__BUILD__": false,
     "__VERSION__": false,
     "__STATIC_PATH__": false,
-    "Polymer": true
+    "Polymer": true,
+    "webkitSpeechRecognition": false,
+    "ResizeObserver": false
   },
   "env": {
     "browser": true,
@@ -82,28 +85,8 @@
     "@typescript-eslint/explicit-function-return-type": 0,
     "@typescript-eslint/explicit-module-boundary-types": 0,
     "@typescript-eslint/no-shadow": ["error"],
-    "@typescript-eslint/naming-convention": [
-      0,
-      {
-        "selector": "default",
-        "format": ["camelCase", "snake_case"],
-        "leadingUnderscore": "allow",
-        "trailingUnderscore": "allow"
-      },
-      {
-        "selector": ["variable"],
-        "format": ["camelCase", "snake_case", "UPPER_CASE"],
-        "leadingUnderscore": "allow",
-        "trailingUnderscore": "allow"
-      },
-      {
-        "selector": "typeLike",
-        "format": ["PascalCase"]
-      }
-    ],
     "lit/attribute-value-entities": 0
   },
   "plugins": ["disable", "import", "lit", "prettier", "@typescript-eslint"],
-  "processor": "disable/disable",
-  "ignorePatterns": ["src/resources/lit-virtualizer/*"]
+  "processor": "disable/disable"
 }

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -1,6 +1,8 @@
 name: Report a bug with the UI, Frontend or Lovelace
-description: Report an issue related to the Home Assistant frontend.
+about: Report an issue related to the Home Assistant frontend.
 labels: bug
+title: ""
+issue_body: true
 body:
   - type: markdown
     attributes:
@@ -95,7 +97,11 @@ body:
         If your issue is about how an entity is shown in the UI, please add the
         state and attributes for all situations. You can find this information
         at Developer Tools -> States.
-      render: txt
+      value: |
+        ```yaml
+        # Paste your state here.
+
+        ```
   - type: textarea
     attributes:
       label: Problem-relevant frontend configuration
@@ -104,18 +110,29 @@ body:
         configuration of the used cards. Fill this out even if it seems
         unimportant to you. Please be sure to remove personal information like
         passwords, private URLs and other credentials.
-      render: yaml
+      value: |
+        ```yaml
+        # Paste your YAML here.
+
+        ```
   - type: textarea
     attributes:
       label: Javascript errors shown in your browser console/inspector
       description: >
         If you come across any Javascript or other error logs, e.g., in your
         browser console/inspector please provide them.
-      render: txt
-  - type: textarea
+      value: |
+        ```txt
+        # Paste your logs here.
+
+        ```
+  - type: markdown
     attributes:
-      label: Additional information
-      description: >
+      value: |
+        ## Additional information
+  - type: markdown
+    attributes:
+      value: |
         If you have any additional information for us, use the field below.
-        Please note, you can attach screenshots or screen recordings here, by
-        dragging and dropping files in the field below.
+        Please note, you can attach screenshots or screen recordings here,
+        by dragging and dropping files in the field below.

.github/workflows/ci.yaml

@@ -37,11 +37,9 @@ jobs:
       - name: Build resources
         run: ./node_modules/.bin/gulp gen-icons-json build-translations gather-gallery-demos
       - name: Run eslint
-        run: yarn run lint:eslint
+        run: ./node_modules/.bin/eslint '{**/src,src}/**/*.{js,ts,html}' --ignore-path .gitignore
       - name: Run tsc
-        run: yarn run lint:types
-      - name: Run prettier
-        run: yarn run lint:prettier
+        run: ./node_modules/.bin/tsc
   test:
     runs-on: ubuntu-latest
     steps:

.github/workflows/release.yaml

@@ -6,7 +6,8 @@ on:
       - published
 
 env:
-  PYTHON_VERSION: 3.8
+  WHEELS_TAG: 3.7-alpine3.11
+  PYTHON_VERSION: 3.7
   NODE_VERSION: 12.1
 
 jobs:
@@ -63,9 +64,6 @@ jobs:
     strategy:
       matrix:
         arch: ["aarch64", "armhf", "armv7", "amd64", "i386"]
-        tag:
-          - "3.8-alpine3.12"
-          - "3.9-alpine3.13"
     steps:
       - name: Download requirements.txt
         uses: actions/download-artifact@v2
@@ -75,7 +73,7 @@ jobs:
       - name: Build wheels
         uses: home-assistant/wheels@master
         with:
-          tag: ${{ matrix.tag }}
+          tag: ${{ env.WHEELS_TAG }}
           arch: ${{ matrix.arch }}
           wheels-host: ${{ secrets.WHEELS_HOST }}
           wheels-key: ${{ secrets.WHEELS_KEY }}

.gitignore

@@ -1,17 +1,10 @@
-.DS_Store
-.reify-cache
-
-# build
 build
 build-translations/*
-hass_frontend/*
-dist
-
-# yarn
-.yarn
-yarn-error.log
 node_modules/*
 npm-debug.log
+.DS_Store
+hass_frontend/*
+.reify-cache
 
 # Python stuff
 *.py[cod]
@@ -21,8 +14,11 @@ npm-debug.log
 # venv stuff
 pyvenv.cfg
 pip-selfcheck.json
-venv/*
+venv
 .venv
+lib
+bin
+dist
 
 # vscode
 .vscode/*
@@ -35,8 +31,9 @@ src/cast/dev_const.ts
 
 # Secrets
 .lokalise_token
+yarn-error.log
 
-# asdf
+#asdf
 .tool-versions
 
 # Home Assistant config

.mocharc.cjs

@@ -1,4 +0,0 @@
-module.exports = {
-  require: "test-mocha/testconf.js",
-  timeout: 10000,
-};

build-scripts/bundle.js

@@ -1,4 +1,3 @@
-/* eslint-disable @typescript-eslint/no-var-requires */
 const path = require("path");
 const env = require("./env.js");
 const paths = require("./paths.js");
@@ -52,16 +51,15 @@ module.exports.terserOptions = (latestBuild) => ({
 
 module.exports.babelOptions = ({ latestBuild }) => ({
   babelrc: false,
-  compact: false,
   presets: [
     !latestBuild && [
-      "@babel/preset-env",
+      require("@babel/preset-env").default,
       {
         useBuiltIns: "entry",
         corejs: "3.6",
       },
     ],
-    "@babel/preset-typescript",
+    require("@babel/preset-typescript").default,
   ].filter(Boolean),
   plugins: [
     // Part of ES2018. Converts {...a, b: 2} to Object.assign({}, a, {b: 2})
@@ -74,12 +72,23 @@ module.exports.babelOptions = ({ latestBuild }) => ({
     "@babel/plugin-syntax-dynamic-import",
     "@babel/plugin-proposal-optional-chaining",
     "@babel/plugin-proposal-nullish-coalescing-operator",
-    ["@babel/plugin-proposal-decorators", { decoratorsBeforeExport: true }],
-    ["@babel/plugin-proposal-private-methods", { loose: true }],
-    ["@babel/plugin-proposal-class-properties", { loose: true }],
+    [
+      require("@babel/plugin-proposal-decorators").default,
+      { decoratorsBeforeExport: true },
+    ],
+    [
+      require("@babel/plugin-proposal-class-properties").default,
+      { loose: true },
+    ],
   ].filter(Boolean),
 });
 
+// Are already ES5, cause warnings when babelified.
+module.exports.babelExclude = () => [
+  require.resolve("@mdi/js/mdi.js"),
+  require.resolve("hls.js"),
+];
+
 const outputPath = (outputRoot, latestBuild) =>
   path.resolve(outputRoot, latestBuild ? "frontend_latest" : "frontend_es5");
 

build-scripts/env.js

@@ -1,4 +1,3 @@
-/* eslint-disable @typescript-eslint/no-var-requires */
 const fs = require("fs");
 const path = require("path");
 const paths = require("./paths.js");

build-scripts/gulp/webpack.js

@@ -1,5 +1,4 @@
 // Tasks to run webpack.
-const fs = require("fs");
 const gulp = require("gulp");
 const webpack = require("webpack");
 const WebpackDevServer = require("webpack-dev-server");
@@ -19,11 +18,6 @@ const bothBuilds = (createConfigFunc, params) => [
   createConfigFunc({ ...params, latestBuild: false }),
 ];
 
-const isWsl = fs
-  .readFileSync("/proc/version", "utf-8")
-  .toLocaleLowerCase()
-  .includes("microsoft");
-
 /**
  * @param {{
  *   compiler: import("webpack").Compiler,
@@ -85,7 +79,7 @@ const prodBuild = (conf) =>
 gulp.task("webpack-watch-app", () => {
   // This command will run forever because we don't close compiler
   webpack(createAppConfig({ isProdBuild: false, latestBuild: true })).watch(
-    { ignored: /build-translations/, poll: isWsl },
+    { ignored: /build-translations/ },
     doneHandler()
   );
   gulp.watch(
@@ -143,7 +137,7 @@ gulp.task("webpack-watch-hassio", () => {
       isProdBuild: false,
       latestBuild: true,
     })
-  ).watch({ ignored: /build-translations/, poll: isWsl }, doneHandler());
+  ).watch({ ignored: /build-translations/ }, doneHandler());
 
   gulp.watch(
     path.join(paths.translations_src, "en.json"),

build-scripts/paths.js

@@ -1,4 +1,3 @@
-/* eslint-disable @typescript-eslint/no-var-requires */
 const path = require("path");
 
 module.exports = {

build-scripts/rollup.js

@@ -1,4 +1,3 @@
-/* eslint-disable @typescript-eslint/no-var-requires */
 const path = require("path");
 
 const commonjs = require("@rollup/plugin-commonjs");
@@ -33,77 +32,88 @@ const createRollupConfig = ({
   publicPath,
   dontHash,
   isWDS,
-}) => ({
-  /**
-   * @type { import("rollup").InputOptions }
-   */
-  inputOptions: {
-    input: entry,
-    // Some entry points contain no JavaScript. This setting silences a warning about that.
-    // https://rollupjs.org/guide/en/#preserveentrysignatures
-    preserveEntrySignatures: false,
-    plugins: [
-      ignore({
-        files: bundle.emptyPackages({ latestBuild }),
-      }),
-      resolve({
-        extensions,
-        preferBuiltins: false,
-        browser: true,
-        rootDir: paths.polymer_dir,
-      }),
-      commonjs(),
-      json(),
-      babel({
-        ...bundle.babelOptions({ latestBuild }),
-        extensions,
-        babelHelpers: isWDS ? "inline" : "bundled",
-      }),
-      string({
-        // Import certain extensions as strings
-        include: [path.join(paths.polymer_dir, "node_modules/**/*.css")],
-      }),
-      replace(bundle.definedVars({ isProdBuild, latestBuild, defineOverlay })),
-      !isWDS &&
-        manifest({
-          publicPath,
+}) => {
+  return {
+    /**
+     * @type { import("rollup").InputOptions }
+     */
+    inputOptions: {
+      input: entry,
+      // Some entry points contain no JavaScript. This setting silences a warning about that.
+      // https://rollupjs.org/guide/en/#preserveentrysignatures
+      preserveEntrySignatures: false,
+      plugins: [
+        ignore({
+          files: bundle.emptyPackages({ latestBuild }),
         }),
-      !isWDS && worker(),
-      !isWDS && dontHashPlugin({ dontHash }),
-      !isWDS && isProdBuild && terser(bundle.terserOptions(latestBuild)),
-      !isWDS &&
-        isStatsBuild &&
-        visualizer({
-          // https://github.com/btd/rollup-plugin-visualizer#options
-          open: true,
-          sourcemap: true,
+        resolve({
+          extensions,
+          preferBuiltins: false,
+          browser: true,
+          rootDir: paths.polymer_dir,
         }),
-    ].filter(Boolean),
-  },
-  /**
-   * @type { import("rollup").OutputOptions }
-   */
-  outputOptions: {
-    // https://rollupjs.org/guide/en/#outputdir
-    dir: outputPath,
-    // https://rollupjs.org/guide/en/#outputformat
-    format: latestBuild ? "es" : "systemjs",
-    // https://rollupjs.org/guide/en/#outputexternallivebindings
-    externalLiveBindings: false,
-    // https://rollupjs.org/guide/en/#outputentryfilenames
-    // https://rollupjs.org/guide/en/#outputchunkfilenames
-    // https://rollupjs.org/guide/en/#outputassetfilenames
-    entryFileNames:
-      isProdBuild && !isStatsBuild ? "[name]-[hash].js" : "[name].js",
-    chunkFileNames: isProdBuild && !isStatsBuild ? "c.[hash].js" : "[name].js",
-    assetFileNames: isProdBuild && !isStatsBuild ? "a.[hash].js" : "[name].js",
-    // https://rollupjs.org/guide/en/#outputsourcemap
-    sourcemap: isProdBuild ? true : "inline",
-  },
-});
+        commonjs({
+          namedExports: {
+            "js-yaml": ["safeDump", "safeLoad"],
+          },
+        }),
+        json(),
+        babel({
+          ...bundle.babelOptions({ latestBuild }),
+          extensions,
+          exclude: bundle.babelExclude(),
+          babelHelpers: isWDS ? "inline" : "bundled",
+        }),
+        string({
+          // Import certain extensions as strings
+          include: [path.join(paths.polymer_dir, "node_modules/**/*.css")],
+        }),
+        replace(
+          bundle.definedVars({ isProdBuild, latestBuild, defineOverlay })
+        ),
+        !isWDS &&
+          manifest({
+            publicPath,
+          }),
+        !isWDS && worker(),
+        !isWDS && dontHashPlugin({ dontHash }),
+        !isWDS && isProdBuild && terser(bundle.terserOptions(latestBuild)),
+        !isWDS &&
+          isStatsBuild &&
+          visualizer({
+            // https://github.com/btd/rollup-plugin-visualizer#options
+            open: true,
+            sourcemap: true,
+          }),
+      ].filter(Boolean),
+    },
+    /**
+     * @type { import("rollup").OutputOptions }
+     */
+    outputOptions: {
+      // https://rollupjs.org/guide/en/#outputdir
+      dir: outputPath,
+      // https://rollupjs.org/guide/en/#outputformat
+      format: latestBuild ? "es" : "systemjs",
+      // https://rollupjs.org/guide/en/#outputexternallivebindings
+      externalLiveBindings: false,
+      // https://rollupjs.org/guide/en/#outputentryfilenames
+      // https://rollupjs.org/guide/en/#outputchunkfilenames
+      // https://rollupjs.org/guide/en/#outputassetfilenames
+      entryFileNames:
+        isProdBuild && !isStatsBuild ? "[name]-[hash].js" : "[name].js",
+      chunkFileNames:
+        isProdBuild && !isStatsBuild ? "c.[hash].js" : "[name].js",
+      assetFileNames:
+        isProdBuild && !isStatsBuild ? "a.[hash].js" : "[name].js",
+      // https://rollupjs.org/guide/en/#outputsourcemap
+      sourcemap: isProdBuild ? true : "inline",
+    },
+  };
+};
 
-const createAppConfig = ({ isProdBuild, latestBuild, isStatsBuild, isWDS }) =>
-  createRollupConfig(
+const createAppConfig = ({ isProdBuild, latestBuild, isStatsBuild, isWDS }) => {
+  return createRollupConfig(
     bundle.config.app({
       isProdBuild,
       latestBuild,
@@ -111,24 +121,31 @@ const createAppConfig = ({ isProdBuild, latestBuild, isStatsBuild, isWDS }) =>
       isWDS,
     })
   );
+};
 
-const createDemoConfig = ({ isProdBuild, latestBuild, isStatsBuild }) =>
-  createRollupConfig(
+const createDemoConfig = ({ isProdBuild, latestBuild, isStatsBuild }) => {
+  return createRollupConfig(
     bundle.config.demo({
       isProdBuild,
       latestBuild,
       isStatsBuild,
     })
   );
+};
 
-const createCastConfig = ({ isProdBuild, latestBuild }) =>
-  createRollupConfig(bundle.config.cast({ isProdBuild, latestBuild }));
+const createCastConfig = ({ isProdBuild, latestBuild }) => {
+  return createRollupConfig(bundle.config.cast({ isProdBuild, latestBuild }));
+};
 
-const createHassioConfig = ({ isProdBuild, latestBuild }) =>
-  createRollupConfig(bundle.config.hassio({ isProdBuild, latestBuild }));
+const createHassioConfig = ({ isProdBuild, latestBuild }) => {
+  return createRollupConfig(bundle.config.hassio({ isProdBuild, latestBuild }));
+};
 
-const createGalleryConfig = ({ isProdBuild, latestBuild }) =>
-  createRollupConfig(bundle.config.gallery({ isProdBuild, latestBuild }));
+const createGalleryConfig = ({ isProdBuild, latestBuild }) => {
+  return createRollupConfig(
+    bundle.config.gallery({ isProdBuild, latestBuild })
+  );
+};
 
 module.exports = {
   createAppConfig,

build-scripts/util.js

@@ -1,4 +1,3 @@
-/* eslint-disable @typescript-eslint/no-var-requires */
 const path = require("path");
 const fs = require("fs");
 

build-scripts/webpack.js

@@ -1,10 +1,9 @@
-/* eslint-disable @typescript-eslint/no-var-requires */
 const webpack = require("webpack");
 const path = require("path");
 const TerserPlugin = require("terser-webpack-plugin");
 const { WebpackManifestPlugin } = require("webpack-manifest-plugin");
 const paths = require("./paths.js");
-const bundle = require("./bundle.js");
+const bundle = require("./bundle");
 const log = require("fancy-log");
 
 class LogStartCompilePlugin {
@@ -47,6 +46,7 @@ const createWebpackConfig = ({
       rules: [
         {
           test: /\.m?js$|\.ts$/,
+          exclude: bundle.babelExclude(),
           use: {
             loader: "babel-loader",
             options: bundle.babelOptions({ latestBuild }),
@@ -94,7 +94,6 @@ const createWebpackConfig = ({
               ? path.resolve(context, resource)
               : require.resolve(resource);
           } catch (err) {
-            // eslint-disable-next-line no-console
             console.error(
               "Error in Home Assistant ignore plugin",
               resource,
@@ -115,9 +114,8 @@ const createWebpackConfig = ({
       // We need to change the import of the polyfill for EventTarget, so we replace the polyfill file with our customized one
       new webpack.NormalModuleReplacementPlugin(
         new RegExp(
-          path.resolve(
-            paths.polymer_dir,
-            "src/resources/lit-virtualizer/lib/uni-virtualizer/lib/polyfillLoaders/EventTarget.js"
+          require.resolve(
+            "lit-virtualizer/lib/uni-virtualizer/lib/polyfillLoaders/EventTarget.js"
           )
         ),
         path.resolve(paths.polymer_dir, "src/resources/EventTarget-ponyfill.js")
@@ -126,11 +124,6 @@ const createWebpackConfig = ({
     ].filter(Boolean),
     resolve: {
       extensions: [".ts", ".js", ".json"],
-      alias: {
-        "lit/decorators$": "lit/decorators.js",
-        "lit/directive$": "lit/directive.js",
-        "lit/polyfill-support$": "lit/polyfill-support.js",
-      },
     },
     output: {
       filename: ({ chunk }) => {
@@ -151,24 +144,33 @@ const createWebpackConfig = ({
   };
 };
 
-const createAppConfig = ({ isProdBuild, latestBuild, isStatsBuild }) =>
-  createWebpackConfig(
+const createAppConfig = ({ isProdBuild, latestBuild, isStatsBuild }) => {
+  return createWebpackConfig(
     bundle.config.app({ isProdBuild, latestBuild, isStatsBuild })
   );
+};
 
-const createDemoConfig = ({ isProdBuild, latestBuild, isStatsBuild }) =>
-  createWebpackConfig(
+const createDemoConfig = ({ isProdBuild, latestBuild, isStatsBuild }) => {
+  return createWebpackConfig(
     bundle.config.demo({ isProdBuild, latestBuild, isStatsBuild })
   );
+};
 
-const createCastConfig = ({ isProdBuild, latestBuild }) =>
-  createWebpackConfig(bundle.config.cast({ isProdBuild, latestBuild }));
+const createCastConfig = ({ isProdBuild, latestBuild }) => {
+  return createWebpackConfig(bundle.config.cast({ isProdBuild, latestBuild }));
+};
 
-const createHassioConfig = ({ isProdBuild, latestBuild }) =>
-  createWebpackConfig(bundle.config.hassio({ isProdBuild, latestBuild }));
+const createHassioConfig = ({ isProdBuild, latestBuild }) => {
+  return createWebpackConfig(
+    bundle.config.hassio({ isProdBuild, latestBuild })
+  );
+};
 
-const createGalleryConfig = ({ isProdBuild, latestBuild }) =>
-  createWebpackConfig(bundle.config.gallery({ isProdBuild, latestBuild }));
+const createGalleryConfig = ({ isProdBuild, latestBuild }) => {
+  return createWebpackConfig(
+    bundle.config.gallery({ isProdBuild, latestBuild })
+  );
+};
 
 module.exports = {
   createAppConfig,

cast/src/launcher/layout/hc-cast.ts

@@ -1,9 +1,16 @@
-import "@material/mwc-button/mwc-button";
 import "@polymer/paper-item/paper-icon-item";
 import "@polymer/paper-listbox/paper-listbox";
 import { Auth, Connection } from "home-assistant-js-websocket";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property, state } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  LitElement,
+  property,
+  internalProperty,
+  TemplateResult,
+} from "lit-element";
 import { CastManager } from "../../../../src/cast/cast_manager";
 import {
   castSendShowLovelaceView,
@@ -25,6 +32,7 @@ import {
 import "../../../../src/layouts/hass-loading-screen";
 import { generateDefaultViewConfig } from "../../../../src/panels/lovelace/common/generate-lovelace-config";
 import "./hc-layout";
+import "@material/mwc-button/mwc-button";
 
 @customElement("hc-cast")
 class HcCast extends LitElement {
@@ -34,9 +42,9 @@ class HcCast extends LitElement {
 
   @property() public castManager!: CastManager;
 
-  @state() private askWrite = false;
+  @internalProperty() private askWrite = false;
 
-  @state() private lovelaceConfig?: LovelaceConfig | null;
+  @internalProperty() private lovelaceConfig?: LovelaceConfig | null;
 
   protected render(): TemplateResult {
     if (this.lovelaceConfig === undefined) {
@@ -46,7 +54,9 @@ class HcCast extends LitElement {
     const error =
       this.castManager.castState === "NO_DEVICES_AVAILABLE"
         ? html`
-            <p>There were no suitable Chromecast devices to cast to found.</p>
+            <p>
+              There were no suitable Chromecast devices to cast to found.
+            </p>
           `
         : undefined;
 
@@ -196,7 +206,7 @@ class HcCast extends LitElement {
     }
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult {
     return css`
       .center-item {
         display: flex;

cast/src/launcher/layout/hc-connect.ts

@@ -11,8 +11,15 @@ import {
   getAuth,
   getAuthOptions,
 } from "home-assistant-js-websocket";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, state } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  LitElement,
+  TemplateResult,
+  internalProperty,
+} from "lit-element";
 import { CastManager, getCastManager } from "../../../../src/cast/cast_manager";
 import { castSendShowDemo } from "../../../../src/cast/receiver_messages";
 import {
@@ -53,19 +60,19 @@ const INTRO = html`
 
 @customElement("hc-connect")
 export class HcConnect extends LitElement {
-  @state() private loading = false;
+  @internalProperty() private loading = false;
 
   // If we had stored credentials but we cannot connect,
   // show a screen asking retry or logout.
-  @state() private cannotConnect = false;
+  @internalProperty() private cannotConnect = false;
 
-  @state() private error?: string | TemplateResult;
+  @internalProperty() private error?: string | TemplateResult;
 
-  @state() private auth?: Auth;
+  @internalProperty() private auth?: Auth;
 
-  @state() private connection?: Connection;
+  @internalProperty() private connection?: Connection;
 
-  @state() private castManager?: CastManager | null;
+  @internalProperty() private castManager?: CastManager | null;
 
   private openDemo = false;
 
@@ -79,7 +86,9 @@ export class HcConnect extends LitElement {
           </div>
           <div class="card-actions">
             <a href="/">
-              <mwc-button> Retry </mwc-button>
+              <mwc-button>
+                Retry
+              </mwc-button>
             </a>
             <div class="spacer"></div>
             <mwc-button @click=${this._handleLogout}>Log out</mwc-button>
@@ -290,7 +299,7 @@ export class HcConnect extends LitElement {
     }
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult {
     return css`
       .card-content a {
         color: var(--primary-color);

cast/src/launcher/layout/hc-layout.ts

@@ -4,8 +4,15 @@ import {
   getUser,
   HassUser,
 } from "home-assistant-js-websocket";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 import "../../../../src/components/ha-card";
 
 @customElement("hc-layout")
@@ -62,7 +69,7 @@ class HcLayout extends LitElement {
     }
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult {
     return css`
       :host {
         display: flex;

cast/src/receiver/layout/hc-demo.ts

@@ -1,5 +1,10 @@
-import { html, TemplateResult } from "lit";
-import { customElement, property, state } from "lit/decorators";
+import {
+  customElement,
+  html,
+  internalProperty,
+  property,
+  TemplateResult,
+} from "lit-element";
 import { mockHistory } from "../../../../demo/src/stubs/history";
 import { LovelaceConfig } from "../../../../src/data/lovelace";
 import {
@@ -16,7 +21,7 @@ import "./hc-lovelace";
 class HcDemo extends HassElement {
   @property({ attribute: false }) public lovelacePath!: string;
 
-  @state() private _lovelaceConfig?: LovelaceConfig;
+  @internalProperty() private _lovelaceConfig?: LovelaceConfig;
 
   protected render(): TemplateResult {
     if (!this._lovelaceConfig) {
@@ -33,10 +38,10 @@ class HcDemo extends HassElement {
 
   protected firstUpdated(changedProps) {
     super.firstUpdated(changedProps);
-    this._initializeHass();
+    this._initialize();
   }
 
-  private async _initializeHass() {
+  private async _initialize() {
     const initial: Partial<MockHomeAssistant> = {
       // Override updateHass so that the correct hass lifecycle methods are called
       updateHass: (hassUpdate: Partial<HomeAssistant>) =>

cast/src/receiver/layout/hc-launch-screen.ts

@@ -1,5 +1,12 @@
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 import { HomeAssistant } from "../../../../src/types";
 
 @customElement("hc-launch-screen")
@@ -22,7 +29,7 @@ class HcLaunchScreen extends LitElement {
     `;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult {
     return css`
       :host {
         display: block;

cast/src/receiver/layout/hc-lovelace.ts

@@ -1,5 +1,12 @@
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 import { LovelaceConfig } from "../../../../src/data/lovelace";
 import { Lovelace } from "../../../../src/panels/lovelace/types";
 import "../../../../src/panels/lovelace/views/hui-view";
@@ -28,7 +35,6 @@ class HcLovelace extends LitElement {
     }
     const lovelace: Lovelace = {
       config: this.lovelaceConfig,
-      rawConfig: this.lovelaceConfig,
       editMode: false,
       urlPath: this.urlPath!,
       enableFullEditMode: () => undefined,
@@ -84,7 +90,7 @@ class HcLovelace extends LitElement {
     return undefined;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult {
     return css`
       :host {
         min-height: 100vh;

cast/src/receiver/layout/hc-main.ts

@@ -3,8 +3,12 @@ import {
   getAuth,
   UnsubscribeFunc,
 } from "home-assistant-js-websocket";
-import { html, TemplateResult } from "lit";
-import { customElement, state } from "lit/decorators";
+import {
+  customElement,
+  html,
+  internalProperty,
+  TemplateResult,
+} from "lit-element";
 import { CAST_NS } from "../../../../src/cast/const";
 import {
   ConnectMessage,
@@ -32,13 +36,13 @@ let resourcesLoaded = false;
 
 @customElement("hc-main")
 export class HcMain extends HassElement {
-  @state() private _showDemo = false;
+  @internalProperty() private _showDemo = false;
 
-  @state() private _lovelaceConfig?: LovelaceConfig;
+  @internalProperty() private _lovelaceConfig?: LovelaceConfig;
 
-  @state() private _lovelacePath: string | number | null = null;
+  @internalProperty() private _lovelacePath: string | number | null = null;
 
-  @state() private _error?: string;
+  @internalProperty() private _error?: string;
 
   private _unsubLovelace?: UnsubscribeFunc;
 
@@ -217,17 +221,11 @@ export class HcMain extends HassElement {
   }
 
   private async _generateLovelaceConfig() {
-    const { generateLovelaceDashboardStrategy } = await import(
-      "../../../../src/panels/lovelace/strategies/get-strategy"
+    const { generateLovelaceConfigFromHass } = await import(
+      "../../../../src/panels/lovelace/common/generate-lovelace-config"
     );
     this._handleNewLovelaceConfig(
-      await generateLovelaceDashboardStrategy(
-        {
-          hass: this.hass!,
-          narrow: false,
-        },
-        "original-states"
-      )
+      await generateLovelaceConfigFromHass(this.hass!)
     );
   }
 

demo/src/configs/arsaboo/entities.ts

@@ -246,15 +246,11 @@ export const demoEntitiesArsaboo: DemoConfig["entities"] = (localize) =>
 
     "light.living_room_lights": {
       entity_id: "light.living_room_lights",
-      state: "on",
+      state: "off",
       attributes: {
         min_mireds: 111,
         max_mireds: 400,
-        brightness: 175,
-        color_temp: 300,
-        supported_color_modes: ["brightness", "color_temp"],
         friendly_name: "Living Room Lights",
-        color_mode: "color_temp",
         supported_features: 55,
       },
     },
@@ -267,27 +263,13 @@ export const demoEntitiesArsaboo: DemoConfig["entities"] = (localize) =>
     },
     "light.kitchen_lights": {
       entity_id: "light.kitchen_lights",
-      state: "on",
-      attributes: {
-        min_mireds: 111,
-        max_mireds: 400,
-        brightness: 200,
-        rgb_color: [255, 175, 96],
-        supported_color_modes: ["brightness", "color_temp", "rgb"],
-        color_mode: "rgb",
-        friendly_name: "Kitchen Lights",
-        supported_features: 55,
-      },
-    },
-    "light.lifx5": {
-      entity_id: "light.lifx5",
       state: "off",
       attributes: {
-        supported_color_modes: ["brightness"],
-        friendly_name: "Garage Lights",
+        friendly_name: "Kitchen Lights",
         supported_features: 1,
       },
     },
+
     "sensor.plexspy": {
       entity_id: "sensor.plexspy",
       state: "0",
@@ -500,6 +482,16 @@ export const demoEntitiesArsaboo: DemoConfig["entities"] = (localize) =>
         icon: "hademo:history",
       },
     },
+    "light.lifx5": {
+      entity_id: "light.lifx5",
+      state: "on",
+      attributes: {
+        min_mireds: 111,
+        max_mireds: 400,
+        friendly_name: "Garage Lights",
+        supported_features: 55,
+      },
+    },
     "sensor.alok_to_home": {
       entity_id: "sensor.alok_to_home",
       state: "41",

demo/src/configs/teachingbirds/entities.ts

@@ -1114,9 +1114,6 @@ export const demoEntitiesTeachingbirds: DemoConfig["entities"] = () =>
         min_mireds: 153,
         max_mireds: 500,
         brightness: 63,
-        color_temp: 200,
-        supported_color_modes: ["brightness", "color_temp", "rgb"],
-        color_mode: "color_temp",
         friendly_name: "Upstairs lights",
         supported_features: 63,
         custom_ui_state_card: "state-card-custom-ui",
@@ -1128,7 +1125,6 @@ export const demoEntitiesTeachingbirds: DemoConfig["entities"] = () =>
       attributes: {
         friendly_name: "Walk in closet lights",
         supported_features: 41,
-        supported_color_modes: ["brightness", "color_temp"],
         custom_ui_state_card: "state-card-custom-ui",
         icon: "mdi:wall-sconce",
       },
@@ -1140,8 +1136,6 @@ export const demoEntitiesTeachingbirds: DemoConfig["entities"] = () =>
         brightness: 254,
         friendly_name: "Outdoor lights",
         supported_features: 41,
-        supported_color_modes: ["brightness"],
-        color_mode: "brightness",
         custom_ui_state_card: "state-card-custom-ui",
         icon: "mdi:wall-sconce",
       },
@@ -1154,8 +1148,6 @@ export const demoEntitiesTeachingbirds: DemoConfig["entities"] = () =>
         max_mireds: 500,
         brightness: 128,
         color_temp: 366,
-        supported_color_modes: ["brightness", "color_temp", "rgb"],
-        color_mode: "color_temp",
         effect_list: ["colorloop"],
         friendly_name: "Downstairs lights",
         supported_features: 63,
@@ -1315,7 +1307,6 @@ export const demoEntitiesTeachingbirds: DemoConfig["entities"] = () =>
       attributes: {
         min_mireds: 153,
         max_mireds: 500,
-        supported_color_modes: ["brightness", "color_temp"],
         is_deconz_group: false,
         friendly_name: "Bedside Lamp",
         supported_features: 63,
@@ -1329,7 +1320,6 @@ export const demoEntitiesTeachingbirds: DemoConfig["entities"] = () =>
       attributes: {
         min_mireds: 153,
         max_mireds: 500,
-        supported_color_modes: ["brightness", "color_temp"],
         is_deconz_group: false,
         friendly_name: "Floorlamp Reading Light",
         supported_features: 43,
@@ -1345,8 +1335,6 @@ export const demoEntitiesTeachingbirds: DemoConfig["entities"] = () =>
         max_mireds: 500,
         brightness: 128,
         color_temp: 366,
-        supported_color_modes: ["brightness", "color_temp", "rgb"],
-        color_mode: "color_temp",
         effect_list: ["colorloop"],
         is_deconz_group: false,
         friendly_name: "Hallway window light",
@@ -1361,7 +1349,6 @@ export const demoEntitiesTeachingbirds: DemoConfig["entities"] = () =>
       attributes: {
         brightness: 77,
         is_deconz_group: false,
-        supported_color_modes: ["brightness"],
         friendly_name: "Isa Ceiling Light",
         supported_features: 41,
         custom_ui_state_card: "state-card-custom-ui",
@@ -1376,8 +1363,6 @@ export const demoEntitiesTeachingbirds: DemoConfig["entities"] = () =>
         max_mireds: 500,
         brightness: 150,
         color_temp: 366,
-        supported_color_modes: ["brightness", "color_temp"],
-        color_mode: "color_temp",
         effect_list: ["colorloop"],
         is_deconz_group: false,
         friendly_name: "Floorlamp",
@@ -1392,7 +1377,6 @@ export const demoEntitiesTeachingbirds: DemoConfig["entities"] = () =>
       attributes: {
         friendly_name: "Bedroom Ceiling Light",
         supported_features: 41,
-        supported_color_modes: ["brightness"],
         custom_ui_state_card: "state-card-custom-ui",
         icon: "mdi:ceiling-light",
       },
@@ -1403,7 +1387,6 @@ export const demoEntitiesTeachingbirds: DemoConfig["entities"] = () =>
       attributes: {
         friendly_name: "Nightlight",
         supported_features: 17,
-        supported_color_modes: ["brightness"],
         custom_ui_state_card: "state-card-custom-ui",
         icon: "mdi:lamp",
       },
@@ -1770,7 +1753,6 @@ export const demoEntitiesTeachingbirds: DemoConfig["entities"] = () =>
         power_consumption: 2.2,
         friendly_name: "Upstairs Hallway Light",
         supported_features: 33,
-        supported_color_modes: ["brightness"],
         custom_ui_state_card: "state-card-custom-ui",
         icon: "mdi:ceiling-light",
       },
@@ -1786,7 +1768,6 @@ export const demoEntitiesTeachingbirds: DemoConfig["entities"] = () =>
         power_consumption: 0,
         friendly_name: "Dining Room Light",
         supported_features: 33,
-        supported_color_modes: ["brightness"],
         custom_ui_state_card: "state-card-custom-ui",
         icon: "mdi:ceiling-light",
       },
@@ -1802,7 +1783,6 @@ export const demoEntitiesTeachingbirds: DemoConfig["entities"] = () =>
         power_consumption: 0,
         friendly_name: "Living room Spotlights",
         supported_features: 33,
-        supported_color_modes: ["brightness"],
         custom_ui_state_card: "state-card-custom-ui",
         icon: "mdi:track-light",
       },
@@ -1819,7 +1799,6 @@ export const demoEntitiesTeachingbirds: DemoConfig["entities"] = () =>
         power_consumption: 2.5,
         friendly_name: "Passage Lights",
         supported_features: 33,
-        supported_color_modes: ["brightness"],
         custom_ui_state_card: "state-card-custom-ui",
         icon: "mdi:track-light",
       },
@@ -1864,7 +1843,6 @@ export const demoEntitiesTeachingbirds: DemoConfig["entities"] = () =>
         power_consumption: 37.4,
         friendly_name: "Kitchen Lights",
         supported_features: 33,
-        supported_color_modes: ["brightness"],
         custom_ui_state_card: "state-card-custom-ui",
         icon: "mdi:track-light",
       },

demo/src/configs/teachingbirds/lovelace.ts

@@ -440,43 +440,57 @@ export const demoLovelaceTeachingbirds: DemoConfig["lovelace"] = () => ({
           type: "horizontal-stack",
         },
         {
-          type: "grid",
-          columns: 2,
           cards: [
             {
-              graph: "line",
-              type: "sensor",
-              entity: "sensor.temperature_bedroom",
+              cards: [
+                {
+                  graph: "line",
+                  type: "sensor",
+                  entity: "sensor.temperature_bedroom",
+                },
+                {
+                  graph: "line",
+                  type: "sensor",
+                  name: "S's room",
+                  entity: "sensor.temperature_stefan",
+                },
+              ],
+              type: "horizontal-stack",
             },
             {
-              graph: "line",
-              type: "sensor",
-              name: "S's room",
-              entity: "sensor.temperature_stefan",
+              cards: [
+                {
+                  graph: "line",
+                  type: "sensor",
+                  entity: "sensor.temperature_passage",
+                },
+                {
+                  graph: "line",
+                  type: "sensor",
+                  name: "Bathroom",
+                  entity: "sensor.temperature_downstairs_bathroom",
+                },
+              ],
+              type: "horizontal-stack",
             },
             {
-              graph: "line",
-              type: "sensor",
-              entity: "sensor.temperature_passage",
-            },
-            {
-              graph: "line",
-              type: "sensor",
-              name: "Bathroom",
-              entity: "sensor.temperature_downstairs_bathroom",
-            },
-            {
-              graph: "line",
-              type: "sensor",
-              entity: "sensor.temperature_storage",
-            },
-            {
-              graph: "line",
-              type: "sensor",
-              name: "Refrigerator",
-              entity: "sensor.refrigerator",
+              cards: [
+                {
+                  graph: "line",
+                  type: "sensor",
+                  entity: "sensor.temperature_storage",
+                },
+                {
+                  graph: "line",
+                  type: "sensor",
+                  name: "Refrigerator",
+                  entity: "sensor.refrigerator",
+                },
+              ],
+              type: "horizontal-stack",
             },
           ],
+          type: "vertical-stack",
         },
         {
           entities: [

demo/src/custom-cards/card-modder.js

@@ -1,5 +1,5 @@
 /* eslint-disable */
-import { LitElement } from "lit";
+import { LitElement } from "lit-element";
 import "./card-tools";
 
 class CardModder extends LitElement {

demo/src/custom-cards/card-tools.js

@@ -1,5 +1,5 @@
 /* eslint-disable */
-import { html, LitElement } from "lit";
+import { html, LitElement } from "lit-element";
 
 if (!window.cardTools) {
   const version = 0.2;

demo/src/custom-cards/cast-demo-row.ts

@@ -1,5 +1,12 @@
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, state } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  internalProperty,
+  LitElement,
+  TemplateResult,
+} from "lit-element";
 import { CastManager } from "../../../src/cast/cast_manager";
 import { castSendShowDemo } from "../../../src/cast/receiver_messages";
 import "../../../src/components/ha-icon";
@@ -13,7 +20,7 @@ import { HomeAssistant } from "../../../src/types";
 class CastDemoRow extends LitElement implements LovelaceRow {
   public hass!: HomeAssistant;
 
-  @state() private _castManager?: CastManager | null;
+  @internalProperty() private _castManager?: CastManager | null;
 
   public setConfig(_config: CastConfig): void {
     // No config possible.
@@ -66,7 +73,7 @@ class CastDemoRow extends LitElement implements LovelaceRow {
     this.style.display = this._castManager ? "" : "none";
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult {
     return css`
       :host {
         display: flex;

demo/src/custom-cards/ha-demo-card.ts

@@ -1,7 +1,14 @@
 import "@material/mwc-button";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { property, state } from "lit/decorators";
-import { until } from "lit/directives/until";
+import {
+  css,
+  CSSResult,
+  html,
+  internalProperty,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
+import { until } from "lit-html/directives/until";
 import "../../../src/components/ha-card";
 import "../../../src/components/ha-circular-progress";
 import { LovelaceCardConfig } from "../../../src/data/lovelace";
@@ -19,7 +26,7 @@ export class HADemoCard extends LitElement implements LovelaceCard {
 
   @property({ attribute: false }) public hass!: MockHomeAssistant;
 
-  @state() private _switching?: boolean;
+  @internalProperty() private _switching?: boolean;
 
   private _hidden = localStorage.hide_demo_card;
 
@@ -106,7 +113,7 @@ export class HADemoCard extends LitElement implements LovelaceCard {
     }
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       css`
         a {

demo/src/ha-demo.ts

@@ -22,9 +22,9 @@ import { mockTemplate } from "./stubs/template";
 import { mockTranslations } from "./stubs/translations";
 
 class HaDemo extends HomeAssistantAppEl {
-  protected async _initializeHass() {
+  protected async _initialize() {
     const initial: Partial<MockHomeAssistant> = {
-      panelUrl: (this as any)._panelUrl,
+      panelUrl: (this as any).panelUrl,
       // Override updateHass so that the correct hass lifecycle methods are called
       updateHass: (hassUpdate: Partial<HomeAssistant>) =>
         this._updateHass(hassUpdate),
@@ -70,7 +70,7 @@ class HaDemo extends HomeAssistantAppEl {
         }
 
         e.preventDefault();
-        navigate(href);
+        navigate(this, href);
       },
       { capture: true }
     );

demo/src/stubs/translations.ts

@@ -3,6 +3,8 @@ import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 export const mockTranslations = (hass: MockHomeAssistant) => {
   hass.mockWS(
     "frontend/get_translations",
-    (/* msg: {language: string, category: string} */) => ({ resources: {} })
+    (/* msg: {language: string, category: string} */) => {
+      return { resources: {} };
+    }
   );
 };

gallery/src/components/demo-card.js

@@ -1,7 +1,7 @@
 import { html } from "@polymer/polymer/lib/utils/html-tag";
 /* eslint-plugin-disable lit */
 import { PolymerElement } from "@polymer/polymer/polymer-element";
-import { load } from "js-yaml";
+import { safeLoad } from "js-yaml";
 import { createCardElement } from "../../../src/panels/lovelace/create-element/create-card-element";
 
 class DemoCard extends PolymerElement {
@@ -15,10 +15,6 @@ class DemoCard extends PolymerElement {
           margin: 0 0 20px;
           color: var(--primary-color);
         }
-        h2 small {
-          font-size: 0.5em;
-          color: var(--primary-text-color);
-        }
         #card {
           max-width: 400px;
           width: 100vw;
@@ -38,12 +34,7 @@ class DemoCard extends PolymerElement {
           }
         }
       </style>
-      <h2>
-        [[config.heading]]
-        <template is="dom-if" if="[[_size]]">
-          <small>(size [[_size]])</small>
-        </template>
-      </h2>
+      <h2>[[config.heading]]</h2>
       <div class="root">
         <div id="card"></div>
         <template is="dom-if" if="[[showConfig]]">
@@ -64,9 +55,6 @@ class DemoCard extends PolymerElement {
         observer: "_configChanged",
       },
       showConfig: Boolean,
-      _size: {
-        type: Number,
-      },
     };
   }
 
@@ -80,19 +68,8 @@ class DemoCard extends PolymerElement {
       card.removeChild(card.lastChild);
     }
 
-    const el = this._createCardElement(load(config.config)[0]);
+    const el = this._createCardElement(safeLoad(config.config)[0]);
     card.appendChild(el);
-    this._getSize(el);
-  }
-
-  async _getSize(el) {
-    await customElements.whenDefined(el.localName);
-
-    if (!("getCardSize" in el)) {
-      this._size = undefined;
-      return;
-    }
-    this._size = await el.getCardSize();
   }
 
   _createCardElement(cardConfig) {

gallery/src/demos/demo-automation-describe-action.ts

@@ -1,6 +1,12 @@
-import { dump } from "js-yaml";
-import { html, css, LitElement, TemplateResult } from "lit";
-import { customElement, property } from "lit/decorators";
+import { safeDump } from "js-yaml";
+import {
+  customElement,
+  html,
+  css,
+  LitElement,
+  TemplateResult,
+  property,
+} from "lit-element";
 import "../../../src/components/ha-card";
 import { describeAction } from "../../../src/data/script_i18n";
 import { provideHass } from "../../../src/fake_data/provide_hass";
@@ -56,7 +62,7 @@ export class DemoAutomationDescribeAction extends LitElement {
           (conf) => html`
             <div class="action">
               <span>${describeAction(this.hass, conf as any)}</span>
-              <pre>${dump(conf)}</pre>
+              <pre>${safeDump(conf)}</pre>
             </div>
           `
         )}

gallery/src/demos/demo-automation-describe-condition.ts

@@ -1,6 +1,11 @@
-import { dump } from "js-yaml";
-import { html, css, LitElement, TemplateResult } from "lit";
-import { customElement } from "lit/decorators";
+import { safeDump } from "js-yaml";
+import {
+  customElement,
+  html,
+  css,
+  LitElement,
+  TemplateResult,
+} from "lit-element";
 import "../../../src/components/ha-card";
 import { describeCondition } from "../../../src/data/automation_i18n";
 
@@ -26,7 +31,7 @@ export class DemoAutomationDescribeCondition extends LitElement {
           (conf) => html`
             <div class="condition">
               <span>${describeCondition(conf as any)}</span>
-              <pre>${dump(conf)}</pre>
+              <pre>${safeDump(conf)}</pre>
             </div>
           `
         )}

gallery/src/demos/demo-automation-describe-trigger.ts

@@ -1,6 +1,11 @@
-import { dump } from "js-yaml";
-import { html, css, LitElement, TemplateResult } from "lit";
-import { customElement } from "lit/decorators";
+import { safeDump } from "js-yaml";
+import {
+  customElement,
+  html,
+  css,
+  LitElement,
+  TemplateResult,
+} from "lit-element";
 import "../../../src/components/ha-card";
 import { describeTrigger } from "../../../src/data/automation_i18n";
 
@@ -29,7 +34,7 @@ export class DemoAutomationDescribeTrigger extends LitElement {
           (conf) => html`
             <div class="trigger">
               <span>${describeTrigger(conf as any)}</span>
-              <pre>${dump(conf)}</pre>
+              <pre>${safeDump(conf)}</pre>
             </div>
           `
         )}

gallery/src/demos/demo-automation-trace-timeline.ts

@@ -1,5 +1,11 @@
-import { html, css, LitElement, TemplateResult } from "lit";
-import { customElement, property } from "lit/decorators";
+import {
+  customElement,
+  html,
+  css,
+  LitElement,
+  TemplateResult,
+  property,
+} from "lit-element";
 import "../../../src/components/ha-card";
 import "../../../src/components/trace/hat-script-graph";
 import "../../../src/components/trace/hat-trace-timeline";

gallery/src/demos/demo-automation-trace.ts

@@ -1,4 +1,12 @@
-import { html, css, LitElement, TemplateResult } from "lit";
+import {
+  customElement,
+  html,
+  css,
+  LitElement,
+  TemplateResult,
+  internalProperty,
+  property,
+} from "lit-element";
 import "../../../src/components/ha-card";
 import "../../../src/components/trace/hat-script-graph";
 import "../../../src/components/trace/hat-trace-timeline";
@@ -7,7 +15,6 @@ import { HomeAssistant } from "../../../src/types";
 import { DemoTrace } from "../data/traces/types";
 import { basicTrace } from "../data/traces/basic_trace";
 import { motionLightTrace } from "../data/traces/motion-light-trace";
-import { customElement, property, state } from "lit/decorators";
 
 const traces: DemoTrace[] = [basicTrace, motionLightTrace];
 
@@ -15,7 +22,7 @@ const traces: DemoTrace[] = [basicTrace, motionLightTrace];
 export class DemoAutomationTrace extends LitElement {
   @property({ attribute: false }) hass?: HomeAssistant;
 
-  @state() private _selected = {};
+  @internalProperty() private _selected = {};
 
   protected render(): TemplateResult {
     if (!this.hass) {

gallery/src/demos/demo-hui-alarm-panel-card.ts

@@ -1,5 +1,11 @@
-import { html, LitElement, PropertyValues, TemplateResult } from "lit";
-import { customElement, query } from "lit/decorators";
+import {
+  customElement,
+  html,
+  LitElement,
+  PropertyValues,
+  query,
+  TemplateResult,
+} from "lit-element";
 import { getEntity } from "../../../src/fake_data/entity";
 import { provideHass } from "../../../src/fake_data/provide_hass";
 import "../components/demo-cards";
@@ -87,8 +93,4 @@ class DemoAlarmPanelEntity extends LitElement {
   }
 }
 
-declare global {
-  interface HTMLElementTagNameMap {
-    "demo-hui-alarm-panel-card": DemoAlarmPanelEntity;
-  }
-}
+customElements.define("demo-hui-alarm-panel-card", DemoAlarmPanelEntity);

gallery/src/demos/demo-hui-conditional-card.ts

@@ -1,5 +1,11 @@
-import { html, LitElement, PropertyValues, TemplateResult } from "lit";
-import { customElement, query } from "lit/decorators";
+import {
+  customElement,
+  html,
+  LitElement,
+  PropertyValues,
+  query,
+  TemplateResult,
+} from "lit-element";
 import { getEntity } from "../../../src/fake_data/entity";
 import { provideHass } from "../../../src/fake_data/provide_hass";
 import "../components/demo-cards";
@@ -69,8 +75,4 @@ class DemoConditional extends LitElement {
   }
 }
 
-declare global {
-  interface HTMLElementTagNameMap {
-    "demo-hui-conditional-card": DemoConditional;
-  }
-}
+customElements.define("demo-hui-conditional-card", DemoConditional);

gallery/src/demos/demo-hui-entities-card.ts

@@ -1,5 +1,11 @@
-import { html, LitElement, PropertyValues, TemplateResult } from "lit";
-import { customElement, query } from "lit/decorators";
+import {
+  customElement,
+  html,
+  LitElement,
+  PropertyValues,
+  query,
+  TemplateResult,
+} from "lit-element";
 import { getEntity } from "../../../src/fake_data/entity";
 import { provideHass } from "../../../src/fake_data/provide_hass";
 import "../components/demo-cards";
@@ -233,8 +239,4 @@ class DemoEntities extends LitElement {
   }
 }
 
-declare global {
-  interface HTMLElementTagNameMap {
-    "demo-hui-entities-card": DemoEntities;
-  }
-}
+customElements.define("demo-hui-entities-card", DemoEntities);

gallery/src/demos/demo-hui-entity-button-card.ts

@@ -1,5 +1,11 @@
-import { html, LitElement, PropertyValues, TemplateResult } from "lit";
-import { customElement, query } from "lit/decorators";
+import {
+  customElement,
+  html,
+  LitElement,
+  PropertyValues,
+  query,
+  TemplateResult,
+} from "lit-element";
 import { getEntity } from "../../../src/fake_data/entity";
 import { provideHass } from "../../../src/fake_data/provide_hass";
 import "../components/demo-cards";
@@ -85,8 +91,4 @@ class DemoButtonEntity extends LitElement {
   }
 }
 
-declare global {
-  interface HTMLElementTagNameMap {
-    "demo-hui-entity-button-card": DemoButtonEntity;
-  }
-}
+customElements.define("demo-hui-entity-button-card", DemoButtonEntity);

gallery/src/demos/demo-hui-entity-filter-card.ts

@@ -1,5 +1,11 @@
-import { html, LitElement, PropertyValues, TemplateResult } from "lit";
-import { customElement, query } from "lit/decorators";
+import {
+  customElement,
+  html,
+  LitElement,
+  PropertyValues,
+  query,
+  TemplateResult,
+} from "lit-element";
 import { getEntity } from "../../../src/fake_data/entity";
 import { provideHass } from "../../../src/fake_data/provide_hass";
 import "../components/demo-cards";
@@ -126,8 +132,4 @@ class DemoEntityFilter extends LitElement {
   }
 }
 
-declare global {
-  interface HTMLElementTagNameMap {
-    "demo-hui-entity-filter-card": DemoEntityFilter;
-  }
-}
+customElements.define("demo-hui-entity-filter-card", DemoEntityFilter);

gallery/src/demos/demo-hui-gauge-card.ts

@@ -1,5 +1,11 @@
-import { html, LitElement, PropertyValues, TemplateResult } from "lit";
-import { customElement, query } from "lit/decorators";
+import {
+  customElement,
+  html,
+  LitElement,
+  PropertyValues,
+  query,
+  TemplateResult,
+} from "lit-element";
 import { getEntity } from "../../../src/fake_data/entity";
 import { provideHass } from "../../../src/fake_data/provide_hass";
 import "../components/demo-cards";
@@ -123,8 +129,4 @@ class DemoGaugeEntity extends LitElement {
   }
 }
 
-declare global {
-  interface HTMLElementTagNameMap {
-    "demo-hui-gauge-card": DemoGaugeEntity;
-  }
-}
+customElements.define("demo-hui-gauge-card", DemoGaugeEntity);

gallery/src/demos/demo-hui-glance-card.ts

@@ -1,5 +1,11 @@
-import { html, LitElement, PropertyValues, TemplateResult } from "lit";
-import { customElement, query } from "lit/decorators";
+import {
+  customElement,
+  html,
+  LitElement,
+  PropertyValues,
+  query,
+  TemplateResult,
+} from "lit-element";
 import { getEntity } from "../../../src/fake_data/entity";
 import { provideHass } from "../../../src/fake_data/provide_hass";
 import "../components/demo-cards";
@@ -180,7 +186,7 @@ const CONFIGS = [
       name:
     - light.kitchen_lights
     - entity: lock.kitchen_door
-      name:
+      name: 
     - light.ceiling_lights
     `,
   },
@@ -188,7 +194,7 @@ const CONFIGS = [
     heading: "Custom tap action",
     config: `
 - type: glance
-  columns: 4
+  columns: 4  
   entities:
     - entity: lock.kitchen_door
       name: Custom
@@ -226,8 +232,4 @@ class DemoGlanceEntity extends LitElement {
   }
 }
 
-declare global {
-  interface HTMLElementTagNameMap {
-    "demo-hui-glance-card": DemoGlanceEntity;
-  }
-}
+customElements.define("demo-hui-glance-card", DemoGlanceEntity);

gallery/src/demos/demo-hui-iframe-card.ts

@@ -1,5 +1,4 @@
-import { html, LitElement, TemplateResult } from "lit";
-import { customElement } from "lit/decorators";
+import { customElement, html, LitElement, TemplateResult } from "lit-element";
 import "../components/demo-cards";
 
 const CONFIGS = [
@@ -43,8 +42,4 @@ class DemoIframe extends LitElement {
   }
 }
 
-declare global {
-  interface HTMLElementTagNameMap {
-    "demo-hui-iframe-card": DemoIframe;
-  }
-}
+customElements.define("demo-hui-iframe-card", DemoIframe);

gallery/src/demos/demo-hui-light-card.ts

@@ -1,5 +1,11 @@
-import { html, LitElement, PropertyValues, TemplateResult } from "lit";
-import { customElement, query } from "lit/decorators";
+import {
+  customElement,
+  html,
+  LitElement,
+  PropertyValues,
+  query,
+  TemplateResult,
+} from "lit-element";
 import { getEntity } from "../../../src/fake_data/entity";
 import { provideHass } from "../../../src/fake_data/provide_hass";
 import "../components/demo-cards";
@@ -79,8 +85,4 @@ class DemoLightEntity extends LitElement {
   }
 }
 
-declare global {
-  interface HTMLElementTagNameMap {
-    "demo-hui-light-card": DemoLightEntity;
-  }
-}
+customElements.define("demo-hui-light-card", DemoLightEntity);

gallery/src/demos/demo-hui-map-card.ts

@@ -1,5 +1,11 @@
-import { html, LitElement, PropertyValues, TemplateResult } from "lit";
-import { customElement, query } from "lit/decorators";
+import {
+  customElement,
+  html,
+  LitElement,
+  PropertyValues,
+  query,
+  TemplateResult,
+} from "lit-element";
 import { getEntity } from "../../../src/fake_data/entity";
 import { provideHass } from "../../../src/fake_data/provide_hass";
 import "../components/demo-cards";
@@ -177,8 +183,4 @@ class DemoMap extends LitElement {
   }
 }
 
-declare global {
-  interface HTMLElementTagNameMap {
-    "demo-hui-map-card": DemoMap;
-  }
-}
+customElements.define("demo-hui-map-card", DemoMap);

gallery/src/demos/demo-hui-markdown-card.ts

@@ -1,5 +1,11 @@
-import { html, LitElement, PropertyValues, TemplateResult } from "lit";
-import { customElement, query } from "lit/decorators";
+import {
+  customElement,
+  html,
+  LitElement,
+  PropertyValues,
+  query,
+  TemplateResult,
+} from "lit-element";
 import { mockTemplate } from "../../../demo/src/stubs/template";
 import { provideHass } from "../../../src/fake_data/provide_hass";
 import "../components/demo-cards";
@@ -270,8 +276,4 @@ class DemoMarkdown extends LitElement {
   }
 }
 
-declare global {
-  interface HTMLElementTagNameMap {
-    "demo-hui-markdown-card": DemoMarkdown;
-  }
-}
+customElements.define("demo-hui-markdown-card", DemoMarkdown);

gallery/src/demos/demo-hui-media-control-card.ts

@@ -1,5 +1,11 @@
-import { html, LitElement, PropertyValues, TemplateResult } from "lit";
-import { customElement, query } from "lit/decorators";
+import {
+  customElement,
+  html,
+  LitElement,
+  PropertyValues,
+  query,
+  TemplateResult,
+} from "lit-element";
 import { provideHass } from "../../../src/fake_data/provide_hass";
 import "../components/demo-cards";
 import { createMediaPlayerEntities } from "../data/media_players";
@@ -174,8 +180,4 @@ class DemoHuiMediaControlCard extends LitElement {
   }
 }
 
-declare global {
-  interface HTMLElementTagNameMap {
-    "demo-hui-media-control-card": DemoHuiMediaControlCard;
-  }
-}
+customElements.define("demo-hui-media-control-card", DemoHuiMediaControlCard);

gallery/src/demos/demo-hui-media-player-rows.ts

@@ -1,5 +1,11 @@
-import { html, LitElement, PropertyValues, TemplateResult } from "lit";
-import { customElement, query } from "lit/decorators";
+import {
+  customElement,
+  html,
+  LitElement,
+  PropertyValues,
+  query,
+  TemplateResult,
+} from "lit-element";
 import { provideHass } from "../../../src/fake_data/provide_hass";
 import "../components/demo-cards";
 import { createMediaPlayerEntities } from "../data/media_players";
@@ -71,8 +77,4 @@ class DemoHuiMediaPlayerRow extends LitElement {
   }
 }
 
-declare global {
-  interface HTMLElementTagNameMap {
-    "demo-hui-media-player-row": DemoHuiMediaPlayerRow;
-  }
-}
+customElements.define("demo-hui-media-player-row", DemoHuiMediaPlayerRow);

gallery/src/demos/demo-hui-picture-elements-card.ts

@@ -1,5 +1,11 @@
-import { html, LitElement, PropertyValues, TemplateResult } from "lit";
-import { customElement, query } from "lit/decorators";
+import {
+  customElement,
+  html,
+  LitElement,
+  PropertyValues,
+  query,
+  TemplateResult,
+} from "lit-element";
 import { getEntity } from "../../../src/fake_data/entity";
 import { provideHass } from "../../../src/fake_data/provide_hass";
 import "../components/demo-cards";
@@ -141,8 +147,4 @@ class DemoPictureElements extends LitElement {
   }
 }
 
-declare global {
-  interface HTMLElementTagNameMap {
-    "demo-hui-picture-elements-card": DemoPictureElements;
-  }
-}
+customElements.define("demo-hui-picture-elements-card", DemoPictureElements);

gallery/src/demos/demo-hui-picture-entity-card.ts

@@ -1,5 +1,11 @@
-import { html, LitElement, PropertyValues, TemplateResult } from "lit";
-import { customElement, query } from "lit/decorators";
+import {
+  customElement,
+  html,
+  LitElement,
+  PropertyValues,
+  query,
+  TemplateResult,
+} from "lit-element";
 import { getEntity } from "../../../src/fake_data/entity";
 import { provideHass } from "../../../src/fake_data/provide_hass";
 import "../components/demo-cards";
@@ -96,8 +102,4 @@ class DemoPictureEntity extends LitElement {
   }
 }
 
-declare global {
-  interface HTMLElementTagNameMap {
-    "demo-hui-picture-entity-card": DemoPictureEntity;
-  }
-}
+customElements.define("demo-hui-picture-entity-card", DemoPictureEntity);

gallery/src/demos/demo-hui-picture-glance-card.ts

@@ -1,5 +1,11 @@
-import { html, LitElement, PropertyValues, TemplateResult } from "lit";
-import { customElement, query } from "lit/decorators";
+import {
+  customElement,
+  html,
+  LitElement,
+  PropertyValues,
+  query,
+  TemplateResult,
+} from "lit-element";
 import { getEntity } from "../../../src/fake_data/entity";
 import { provideHass } from "../../../src/fake_data/provide_hass";
 import "../components/demo-cards";
@@ -137,8 +143,4 @@ class DemoPictureGlance extends LitElement {
   }
 }
 
-declare global {
-  interface HTMLElementTagNameMap {
-    "demo-hui-picture-glance-card": DemoPictureGlance;
-  }
-}
+customElements.define("demo-hui-picture-glance-card", DemoPictureGlance);

gallery/src/demos/demo-hui-plant-card.ts

@@ -1,5 +1,11 @@
-import { html, LitElement, PropertyValues, TemplateResult } from "lit";
-import { customElement, query } from "lit/decorators";
+import {
+  customElement,
+  html,
+  LitElement,
+  PropertyValues,
+  query,
+  TemplateResult,
+} from "lit-element";
 import { provideHass } from "../../../src/fake_data/provide_hass";
 import "../components/demo-cards";
 import { createPlantEntities } from "../data/plants";
@@ -46,8 +52,4 @@ export class DemoPlantEntity extends LitElement {
   }
 }
 
-declare global {
-  interface HTMLElementTagNameMap {
-    "demo-hui-plant-card": DemoPlantEntity;
-  }
-}
+customElements.define("demo-hui-plant-card", DemoPlantEntity);

gallery/src/demos/demo-hui-shopping-list-card.ts

@@ -1,5 +1,11 @@
-import { html, LitElement, PropertyValues, TemplateResult } from "lit";
-import { customElement, query } from "lit/decorators";
+import {
+  customElement,
+  html,
+  LitElement,
+  PropertyValues,
+  query,
+  TemplateResult,
+} from "lit-element";
 import { provideHass } from "../../../src/fake_data/provide_hass";
 import "../components/demo-cards";
 
@@ -42,8 +48,4 @@ class DemoShoppingListEntity extends LitElement {
   }
 }
 
-declare global {
-  interface HTMLElementTagNameMap {
-    "demo-hui-shopping-list-card": DemoShoppingListEntity;
-  }
-}
+customElements.define("demo-hui-shopping-list-card", DemoShoppingListEntity);

gallery/src/demos/demo-hui-stack-card.ts

@@ -1,5 +1,11 @@
-import { html, LitElement, PropertyValues, TemplateResult } from "lit";
-import { customElement, query } from "lit/decorators";
+import {
+  customElement,
+  html,
+  LitElement,
+  PropertyValues,
+  query,
+  TemplateResult,
+} from "lit-element";
 import { mockHistory } from "../../../demo/src/stubs/history";
 import { getEntity } from "../../../src/fake_data/entity";
 import { provideHass } from "../../../src/fake_data/provide_hass";
@@ -43,110 +49,6 @@ const ENTITIES = [
 ];
 
 const CONFIGS = [
-  {
-    heading: "Default Grid",
-    config: `
-- type: grid
-  cards:
-    - type: entity
-      entity: light.kitchen_lights
-    - type: entity
-      entity: light.bed_light
-    - type: entity
-      entity: device_tracker.demo_paulus
-    - type: sensor
-      entity: sensor.illumination
-      graph: line
-    - type: entity
-      entity: device_tracker.demo_anne_therese
-    `,
-  },
-  {
-    heading: "Non-square Grid with 2 columns",
-    config: `
-- type: grid
-  columns: 2
-  square: false
-  cards:
-    - type: entity
-      entity: light.kitchen_lights
-    - type: entity
-      entity: light.bed_light
-    - type: entity
-      entity: device_tracker.demo_paulus
-    - type: sensor
-      entity: sensor.illumination
-      graph: line
-    `,
-  },
-  {
-    heading: "Default Grid with title",
-    config: `
-- type: grid
-  title: Kitchen
-  cards:
-    - type: entity
-      entity: light.kitchen_lights
-    - type: entity
-      entity: light.bed_light
-    - type: entity
-      entity: device_tracker.demo_paulus
-    - type: sensor
-      entity: sensor.illumination
-      graph: line
-    - type: entity
-      entity: device_tracker.demo_anne_therese
-    `,
-  },
-  {
-    heading: "Columns 4",
-    config: `
-- type: grid
-  columns: 4
-  cards:
-    - type: entity
-      entity: light.kitchen_lights
-    - type: entity
-      entity: light.bed_light
-    - type: entity
-      entity: device_tracker.demo_paulus
-    - type: sensor
-      entity: sensor.illumination
-      graph: line
-    `,
-  },
-  {
-    heading: "Columns 2",
-    config: `
-- type: grid
-  columns: 2
-  cards:
-    - type: entity
-      entity: light.kitchen_lights
-    - type: entity
-      entity: light.bed_light
-    `,
-  },
-  {
-    heading: "Columns 1",
-    config: `
-- type: grid
-  columns: 1
-  cards:
-  - type: entity
-    entity: light.kitchen_lights
-    `,
-  },
-  {
-    heading: "Size for single card",
-    config: `
-- type: grid
-  cards:
-  - type: entity
-    entity: light.kitchen_lights
-    `,
-  },
-
   {
     heading: "Vertical Stack",
     config: `
@@ -197,9 +99,45 @@ const CONFIGS = [
       entity: light.bed_light
     `,
   },
+  {
+    heading: "Default Grid",
+    config: `
+- type: grid
+  cards:
+    - type: entity
+      entity: light.kitchen_lights
+    - type: entity
+      entity: light.bed_light
+    - type: entity
+      entity: device_tracker.demo_paulus
+    - type: sensor
+      entity: sensor.illumination
+      graph: line
+    - type: entity
+      entity: device_tracker.demo_anne_therese
+    `,
+  },
+  {
+    heading: "Non-square Grid with 2 columns",
+    config: `
+- type: grid
+  columns: 2
+  square: false
+  cards:
+    - type: entity
+      entity: light.kitchen_lights
+    - type: entity
+      entity: light.bed_light
+    - type: entity
+      entity: device_tracker.demo_paulus
+    - type: sensor
+      entity: sensor.illumination
+      graph: line
+    `,
+  },
 ];
 
-@customElement("demo-hui-grid-and-stack-card")
+@customElement("demo-hui-stack-card")
 class DemoStack extends LitElement {
   @query("#demos") private _demoRoot!: HTMLElement;
 
@@ -217,8 +155,4 @@ class DemoStack extends LitElement {
   }
 }
 
-declare global {
-  interface HTMLElementTagNameMap {
-    "demo-hui-grid-and-stack-card": DemoStack;
-  }
-}
+customElements.define("demo-hui-stack-card", DemoStack);

gallery/src/demos/demo-hui-thermostat-card.ts

@@ -1,5 +1,11 @@
-import { html, LitElement, PropertyValues, TemplateResult } from "lit";
-import { customElement, query } from "lit/decorators";
+import {
+  customElement,
+  html,
+  LitElement,
+  PropertyValues,
+  query,
+  TemplateResult,
+} from "lit-element";
 import { getEntity } from "../../../src/fake_data/entity";
 import { provideHass } from "../../../src/fake_data/provide_hass";
 import "../components/demo-cards";
@@ -90,8 +96,4 @@ class DemoThermostatEntity extends LitElement {
   }
 }
 
-declare global {
-  interface HTMLElementTagNameMap {
-    "demo-hui-thermostat-card": DemoThermostatEntity;
-  }
-}
+customElements.define("demo-hui-thermostat-card", DemoThermostatEntity);

gallery/src/demos/demo-integration-card.ts

@@ -1,4 +1,12 @@
-import { html, css, LitElement, TemplateResult } from "lit";
+import {
+  customElement,
+  html,
+  css,
+  internalProperty,
+  LitElement,
+  TemplateResult,
+  property,
+} from "lit-element";
 import "../../../src/components/ha-formfield";
 import "../../../src/components/ha-switch";
 
@@ -15,8 +23,7 @@ import type {
 } from "../../../src/panels/config/integrations/ha-config-integrations";
 import { DeviceRegistryEntry } from "../../../src/data/device_registry";
 import { EntityRegistryEntry } from "../../../src/data/entity_registry";
-import { classMap } from "lit/directives/class-map";
-import { customElement, property, state } from "lit/decorators";
+import { classMap } from "lit-html/directives/class-map";
 
 const createConfigEntry = (
   title: string,
@@ -28,12 +35,10 @@ const createConfigEntry = (
   title,
   source: "zeroconf",
   state: "loaded",
+  connection_class: "local_push",
   supports_options: false,
   supports_unload: true,
   disabled_by: null,
-  pref_disable_new_entities: false,
-  pref_disable_polling: false,
-  reason: null,
   ...override,
 });
 
@@ -55,9 +60,6 @@ const nameAsDomainEntry = createConfigEntry("ESPHome");
 const longNameEntry = createConfigEntry(
   "Entry with a super long name that is going to the next line"
 );
-const longNonBreakingNameEntry = createConfigEntry(
-  "EntryWithASuperLongNameThatDoesNotBreak"
-);
 const configPanelEntry = createConfigEntry("Config Panel", {
   domain: "mqtt",
   localized_domain_name: "MQTT",
@@ -65,9 +67,6 @@ const configPanelEntry = createConfigEntry("Config Panel", {
 const optionsFlowEntry = createConfigEntry("Options Flow", {
   supports_options: true,
 });
-const disabledPollingEntry = createConfigEntry("Disabled Polling", {
-  pref_disable_polling: true,
-});
 const setupErrorEntry = createConfigEntry("Setup Error", {
   state: "setup_error",
 });
@@ -77,15 +76,6 @@ const migrationErrorEntry = createConfigEntry("Migration Error", {
 const setupRetryEntry = createConfigEntry("Setup Retry", {
   state: "setup_retry",
 });
-const setupRetryReasonEntry = createConfigEntry("Setup Retry", {
-  state: "setup_retry",
-  reason: "connection_error",
-});
-const setupRetryReasonMissingKeyEntry = createConfigEntry("Setup Retry", {
-  state: "setup_retry",
-  reason:
-    "HTTPSConnectionpool: Max retries exceeded with NewConnectionError('<urllib3.connection.HTTPSConnection object at 0x9eedfc10>: Failed to establish a new connection: [Errno 113] Host is unreachable')",
-});
 const failedUnloadEntry = createConfigEntry("Failed Unload", {
   state: "failed_unload",
 });
@@ -140,15 +130,11 @@ const configEntries: Array<{
   { items: [loadedEntry] },
   { items: [configPanelEntry] },
   { items: [optionsFlowEntry] },
-  { items: [disabledPollingEntry] },
   { items: [nameAsDomainEntry] },
   { items: [longNameEntry] },
-  { items: [longNonBreakingNameEntry] },
   { items: [setupErrorEntry] },
   { items: [migrationErrorEntry] },
   { items: [setupRetryEntry] },
-  { items: [setupRetryReasonEntry] },
-  { items: [setupRetryReasonMissingKeyEntry] },
   { items: [failedUnloadEntry] },
   { items: [notLoadedEntry] },
   {
@@ -157,7 +143,6 @@ const configEntries: Array<{
       setupErrorEntry,
       migrationErrorEntry,
       longNameEntry,
-      longNonBreakingNameEntry,
       setupRetryEntry,
       failedUnloadEntry,
       notLoadedEntry,
@@ -218,9 +203,9 @@ const createDeviceRegistryEntries = (
 export class DemoIntegrationCard extends LitElement {
   @property({ attribute: false }) hass?: HomeAssistant;
 
-  @state() isCustomIntegration = false;
+  @internalProperty() isCustomIntegration = false;
 
-  @state() isCloud = false;
+  @internalProperty() isCloud = false;
 
   protected render(): TemplateResult {
     if (!this.hass) {
@@ -307,14 +292,6 @@ export class DemoIntegrationCard extends LitElement {
     const hass = provideHass(this);
     hass.updateTranslations(null, "en");
     hass.updateTranslations("config", "en");
-    // Normally this string is loaded from backend
-    hass.addTranslations(
-      {
-        "component.esphome.config.error.connection_error":
-          "Can't connect to ESP. Please make sure your YAML file contains an 'api:' line.",
-      },
-      "en"
-    );
   }
 
   private _toggleCustomIntegration() {

gallery/src/demos/demo-more-info-light.ts

@@ -1,11 +1,21 @@
-import { html, LitElement, PropertyValues, TemplateResult } from "lit";
-import { customElement, property, query } from "lit/decorators";
+import {
+  customElement,
+  html,
+  LitElement,
+  property,
+  PropertyValues,
+  query,
+  TemplateResult,
+} from "lit-element";
 import "../../../src/components/ha-card";
 import {
-  LightColorModes,
+  SUPPORT_BRIGHTNESS,
+  SUPPORT_COLOR,
+  SUPPORT_COLOR_TEMP,
   SUPPORT_EFFECT,
   SUPPORT_FLASH,
   SUPPORT_TRANSITION,
+  SUPPORT_WHITE_VALUE,
 } from "../../../src/data/light";
 import "../../../src/dialogs/more-info/more-info-content";
 import { getEntity } from "../../../src/fake_data/entity";
@@ -22,8 +32,7 @@ const ENTITIES = [
   getEntity("light", "kitchen_light", "on", {
     friendly_name: "Brightness Light",
     brightness: 200,
-    supported_color_modes: [LightColorModes.BRIGHTNESS],
-    color_mode: LightColorModes.BRIGHTNESS,
+    supported_features: SUPPORT_BRIGHTNESS,
   }),
   getEntity("light", "color_temperature_light", "on", {
     friendly_name: "White Color Temperature Light",
@@ -31,96 +40,20 @@ const ENTITIES = [
     color_temp: 75,
     min_mireds: 30,
     max_mireds: 150,
-    supported_color_modes: [
-      LightColorModes.BRIGHTNESS,
-      LightColorModes.COLOR_TEMP,
-    ],
-    color_mode: LightColorModes.COLOR_TEMP,
+    supported_features: SUPPORT_BRIGHTNESS + SUPPORT_COLOR_TEMP,
   }),
-  getEntity("light", "color_hs_light", "on", {
-    friendly_name: "Color HS Light",
-    brightness: 255,
-    hs_color: [30, 100],
-    rgb_color: [30, 100, 255],
-    min_mireds: 30,
-    max_mireds: 150,
-    supported_features: SUPPORT_EFFECT + SUPPORT_FLASH + SUPPORT_TRANSITION,
-    supported_color_modes: [
-      LightColorModes.BRIGHTNESS,
-      LightColorModes.COLOR_TEMP,
-      LightColorModes.HS,
-    ],
-    color_mode: LightColorModes.HS,
-    effect_list: ["random", "colorloop"],
-  }),
-  getEntity("light", "color_rgb_ct_light", "on", {
-    friendly_name: "Color RGB + CT Light",
-    brightness: 255,
-    color_temp: 75,
-    min_mireds: 30,
-    max_mireds: 150,
-    supported_features: SUPPORT_EFFECT + SUPPORT_FLASH + SUPPORT_TRANSITION,
-    supported_color_modes: [
-      LightColorModes.BRIGHTNESS,
-      LightColorModes.COLOR_TEMP,
-      LightColorModes.RGB,
-    ],
-    color_mode: LightColorModes.COLOR_TEMP,
-    effect_list: ["random", "colorloop"],
-  }),
-  getEntity("light", "color_RGB_light", "on", {
+  getEntity("light", "color_effectslight", "on", {
     friendly_name: "Color Effets Light",
     brightness: 255,
-    rgb_color: [30, 100, 255],
-    supported_features: SUPPORT_EFFECT + SUPPORT_FLASH + SUPPORT_TRANSITION,
-    supported_color_modes: [LightColorModes.BRIGHTNESS, LightColorModes.RGB],
-    color_mode: LightColorModes.RGB,
-    effect_list: ["random", "colorloop"],
-  }),
-  getEntity("light", "color_rgbw_light", "on", {
-    friendly_name: "Color RGBW Light",
-    brightness: 255,
-    rgbw_color: [30, 100, 255, 125],
-    min_mireds: 30,
-    max_mireds: 150,
-    supported_features: SUPPORT_EFFECT + SUPPORT_FLASH + SUPPORT_TRANSITION,
-    supported_color_modes: [
-      LightColorModes.BRIGHTNESS,
-      LightColorModes.COLOR_TEMP,
-      LightColorModes.RGBW,
-    ],
-    color_mode: LightColorModes.RGBW,
-    effect_list: ["random", "colorloop"],
-  }),
-  getEntity("light", "color_rgbww_light", "on", {
-    friendly_name: "Color RGBWW Light",
-    brightness: 255,
-    rgbww_color: [30, 100, 255, 125, 10],
-    min_mireds: 30,
-    max_mireds: 150,
-    supported_features: SUPPORT_EFFECT + SUPPORT_FLASH + SUPPORT_TRANSITION,
-    supported_color_modes: [
-      LightColorModes.BRIGHTNESS,
-      LightColorModes.COLOR_TEMP,
-      LightColorModes.RGBWW,
-    ],
-    color_mode: LightColorModes.RGBWW,
-    effect_list: ["random", "colorloop"],
-  }),
-  getEntity("light", "color_xy_light", "on", {
-    friendly_name: "Color XY Light",
-    brightness: 255,
-    xy_color: [30, 100],
-    rgb_color: [30, 100, 255],
-    min_mireds: 30,
-    max_mireds: 150,
-    supported_features: SUPPORT_EFFECT + SUPPORT_FLASH + SUPPORT_TRANSITION,
-    supported_color_modes: [
-      LightColorModes.BRIGHTNESS,
-      LightColorModes.COLOR_TEMP,
-      LightColorModes.XY,
-    ],
-    color_mode: LightColorModes.XY,
+    hs_color: [30, 100],
+    white_value: 36,
+    supported_features:
+      SUPPORT_BRIGHTNESS +
+      SUPPORT_EFFECT +
+      SUPPORT_FLASH +
+      SUPPORT_COLOR +
+      SUPPORT_TRANSITION +
+      SUPPORT_WHITE_VALUE,
     effect_list: ["random", "colorloop"],
   }),
 ];

gallery/src/demos/demo-util-long-press.ts

@@ -1,6 +1,5 @@
 import "@material/mwc-button";
-import { html, LitElement, TemplateResult } from "lit";
-import { customElement } from "lit/decorators";
+import { customElement, html, LitElement, TemplateResult } from "lit-element";
 import "../../../src/components/ha-card";
 import { ActionHandlerEvent } from "../../../src/data/lovelace";
 import { actionHandler } from "../../../src/panels/lovelace/common/directives/action-handler-directive";

hassio/src/addon-store/hassio-addon-repository.ts

@@ -1,6 +1,12 @@
 import { mdiArrowUpBoldCircle, mdiPuzzle } from "@mdi/js";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { property } from "lit/decorators";
+import {
+  css,
+  CSSResultArray,
+  html,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 import memoizeOne from "memoize-one";
 import { atLeastVersion } from "../../../src/common/config/version";
 import { navigate } from "../../../src/common/navigate";
@@ -41,7 +47,9 @@ class HassioAddonRepositoryEl extends LitElement {
     const repo = this.repo;
     let _addons = this.addons;
     if (!this.hass.userData?.showAdvanced) {
-      _addons = _addons.filter((addon) => !addon.advanced);
+      _addons = _addons.filter((addon) => {
+        return !addon.advanced;
+      });
     }
     const addons = this._getAddons(_addons, this.filter);
 
@@ -60,7 +68,9 @@ class HassioAddonRepositoryEl extends LitElement {
     }
     return html`
       <div class="content">
-        <h1>${repo.name}</h1>
+        <h1>
+          ${repo.name}
+        </h1>
         <div class="card-group">
           ${addons.map(
             (addon) => html`
@@ -120,10 +130,10 @@ class HassioAddonRepositoryEl extends LitElement {
   }
 
   private _addonTapped(ev) {
-    navigate(`/hassio/addon/${ev.currentTarget.addon.slug}`);
+    navigate(this, `/hassio/addon/${ev.currentTarget.addon.slug}`);
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResultArray {
     return [
       hassioStyle,
       css`

hassio/src/addon-store/hassio-addon-store.ts

@@ -4,13 +4,13 @@ import "@material/mwc-list/mwc-list-item";
 import { mdiDotsVertical } from "@mdi/js";
 import {
   css,
-  CSSResultGroup,
-  html,
+  CSSResult,
+  internalProperty,
   LitElement,
+  property,
   PropertyValues,
-  TemplateResult,
-} from "lit";
-import { property, state } from "lit/decorators";
+} from "lit-element";
+import { html, TemplateResult } from "lit-html";
 import memoizeOne from "memoize-one";
 import { atLeastVersion } from "../../../src/common/config/version";
 import { fireEvent } from "../../../src/common/dom/fire_event";
@@ -58,7 +58,7 @@ class HassioAddonStore extends LitElement {
 
   @property({ attribute: false }) public route!: Route;
 
-  @state() private _filter?: string;
+  @internalProperty() private _filter?: string;
 
   public async refreshData() {
     await reloadHassioAddons(this.hass);
@@ -86,7 +86,9 @@ class HassioAddonStore extends LitElement {
         main-page
         supervisor
       >
-        <span slot="header"> ${this.supervisor.localize("panel.store")} </span>
+        <span slot="header">
+          ${this.supervisor.localize("panel.store")}
+        </span>
         <ha-button-menu
           corner="BOTTOM_START"
           slot="toolbar-icon"
@@ -138,7 +140,7 @@ class HassioAddonStore extends LitElement {
   protected firstUpdated(changedProps: PropertyValues) {
     super.firstUpdated(changedProps);
     const repositoryUrl = extractSearchParam("repository_url");
-    navigate("/hassio/store", { replace: true });
+    navigate(this, "/hassio/store", true);
     if (repositoryUrl) {
       this._manageRepositories(repositoryUrl);
     }
@@ -152,8 +154,8 @@ class HassioAddonStore extends LitElement {
       repositories: HassioAddonRepository[],
       addons: HassioAddonInfo[],
       filter?: string
-    ) =>
-      repositories.sort(sortRepos).map((repo) => {
+    ) => {
+      return repositories.sort(sortRepos).map((repo) => {
         const filteredAddons = addons.filter(
           (addon) => addon.repository === repo.slug
         );
@@ -169,7 +171,8 @@ class HassioAddonStore extends LitElement {
               ></hassio-addon-repository>
             `
           : html``;
-      })
+      });
+    }
   );
 
   private _handleAction(ev: CustomEvent<ActionDetail>) {
@@ -218,7 +221,7 @@ class HassioAddonStore extends LitElement {
     this._filter = e.detail.value;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult {
     return css`
       hassio-addon-repository {
         margin-top: 24px;

hassio/src/addon-view/config/hassio-addon-audio.ts

@@ -4,13 +4,15 @@ import "@polymer/paper-item/paper-item";
 import "@polymer/paper-listbox/paper-listbox";
 import {
   css,
-  CSSResultGroup,
+  CSSResult,
+  customElement,
   html,
+  internalProperty,
   LitElement,
+  property,
   PropertyValues,
   TemplateResult,
-} from "lit";
-import { customElement, property, state } from "lit/decorators";
+} from "lit-element";
 import "web-animations-js/web-animations-next-lite.min";
 import "../../../../src/components/buttons/ha-progress-button";
 import "../../../../src/components/ha-card";
@@ -37,15 +39,15 @@ class HassioAddonAudio extends LitElement {
 
   @property({ attribute: false }) public addon!: HassioAddonDetails;
 
-  @state() private _error?: string;
+  @internalProperty() private _error?: string;
 
-  @state() private _inputDevices?: HassioHardwareAudioDevice[];
+  @internalProperty() private _inputDevices?: HassioHardwareAudioDevice[];
 
-  @state() private _outputDevices?: HassioHardwareAudioDevice[];
+  @internalProperty() private _outputDevices?: HassioHardwareAudioDevice[];
 
-  @state() private _selectedInput!: null | string;
+  @internalProperty() private _selectedInput!: null | string;
 
-  @state() private _selectedOutput!: null | string;
+  @internalProperty() private _selectedOutput!: null | string;
 
   protected render(): TemplateResult {
     return html`
@@ -67,13 +69,13 @@ class HassioAddonAudio extends LitElement {
               .selected=${this._selectedInput!}
             >
               ${this._inputDevices &&
-              this._inputDevices.map(
-                (item) => html`
+              this._inputDevices.map((item) => {
+                return html`
                   <paper-item device=${item.device || ""}>
                     ${item.name}
                   </paper-item>
-                `
-              )}
+                `;
+              })}
             </paper-listbox>
           </paper-dropdown-menu>
           <paper-dropdown-menu
@@ -88,13 +90,13 @@ class HassioAddonAudio extends LitElement {
               .selected=${this._selectedOutput!}
             >
               ${this._outputDevices &&
-              this._outputDevices.map(
-                (item) => html`
+              this._outputDevices.map((item) => {
+                return html`
                   <paper-item device=${item.device || ""}
                     >${item.name}</paper-item
                   >
-                `
-              )}
+                `;
+              })}
             </paper-listbox>
           </paper-dropdown-menu>
         </div>
@@ -107,7 +109,7 @@ class HassioAddonAudio extends LitElement {
     `;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       haStyle,
       hassioStyle,

hassio/src/addon-view/config/hassio-addon-config-tab.ts

@@ -1,5 +1,12 @@
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 import "../../../../src/components/ha-circular-progress";
 import { HassioAddonDetails } from "../../../../src/data/hassio/addon";
 import { Supervisor } from "../../../../src/data/supervisor/supervisor";
@@ -63,7 +70,7 @@ class HassioAddonConfigDashboard extends LitElement {
     `;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       haStyle,
       hassioStyle,

hassio/src/addon-view/config/hassio-addon-config.ts

@@ -3,16 +3,18 @@ import { ActionDetail } from "@material/mwc-list";
 import "@material/mwc-list/mwc-list-item";
 import { mdiDotsVertical } from "@mdi/js";
 import "@polymer/iron-autogrow-textarea/iron-autogrow-textarea";
-import { DEFAULT_SCHEMA, Type } from "js-yaml";
 import {
   css,
-  CSSResultGroup,
+  CSSResult,
+  customElement,
   html,
+  internalProperty,
   LitElement,
+  property,
   PropertyValues,
+  query,
   TemplateResult,
-} from "lit";
-import { customElement, property, query, state } from "lit/decorators";
+} from "lit-element";
 import memoizeOne from "memoize-one";
 import { fireEvent } from "../../../../src/common/dom/fire_event";
 import "../../../../src/components/buttons/ha-progress-button";
@@ -28,7 +30,6 @@ import {
   HassioAddonDetails,
   HassioAddonSetOptionParams,
   setHassioAddonOption,
-  validateHassioAddonOption,
 } from "../../../../src/data/hassio/addon";
 import { extractApiErrorMessage } from "../../../../src/data/hassio/common";
 import { Supervisor } from "../../../../src/data/supervisor/supervisor";
@@ -40,13 +41,6 @@ import { hassioStyle } from "../../resources/hassio-style";
 
 const SUPPORTED_UI_TYPES = ["string", "select", "boolean", "integer", "float"];
 
-const ADDON_YAML_SCHEMA = DEFAULT_SCHEMA.extend([
-  new Type("!secret", {
-    kind: "scalar",
-    construct: (data) => `!secret ${data}`,
-  }),
-]);
-
 @customElement("hassio-addon-config")
 class HassioAddonConfig extends LitElement {
   @property({ attribute: false }) public addon!: HassioAddonDetails;
@@ -59,27 +53,31 @@ class HassioAddonConfig extends LitElement {
 
   @property({ type: Boolean }) private _valid = true;
 
-  @state() private _canShowSchema = false;
+  @internalProperty() private _canShowSchema = false;
 
-  @state() private _showOptional = false;
+  @internalProperty() private _showOptional = false;
 
-  @state() private _error?: string;
+  @internalProperty() private _error?: string;
 
-  @state() private _options?: Record<string, unknown>;
+  @internalProperty() private _options?: Record<string, unknown>;
 
-  @state() private _yamlMode = false;
+  @internalProperty() private _yamlMode = false;
 
   @query("ha-yaml-editor") private _editor?: HaYamlEditor;
 
-  public computeLabel = (entry: HaFormSchema): string =>
-    this.addon.translations[this.hass.language]?.configuration?.[entry.name]
-      ?.name ||
-    this.addon.translations.en?.configuration?.[entry.name].name ||
-    entry.name;
+  public computeLabel = (entry: HaFormSchema): string => {
+    return (
+      this.addon.translations[this.hass.language]?.configuration?.[entry.name]
+        ?.name ||
+      this.addon.translations.en?.configuration?.[entry.name].name ||
+      entry.name
+    );
+  };
 
   private _filteredShchema = memoizeOne(
-    (options: Record<string, unknown>, schema: HaFormSchema[]) =>
-      schema.filter((entry) => entry.name in options || entry.required)
+    (options: Record<string, unknown>, schema: HaFormSchema[]) => {
+      return schema.filter((entry) => entry.name in options || entry.required);
+    }
   );
 
   protected render(): TemplateResult {
@@ -134,7 +132,6 @@ class HassioAddonConfig extends LitElement {
               ></ha-form>`
             : html` <ha-yaml-editor
                 @value-changed=${this._configChanged}
-                .schema=${ADDON_YAML_SCHEMA}
               ></ha-yaml-editor>`}
           ${this._error ? html` <div class="errors">${this._error}</div> ` : ""}
           ${!this._yamlMode ||
@@ -269,45 +266,36 @@ class HassioAddonConfig extends LitElement {
 
   private async _saveTapped(ev: CustomEvent): Promise<void> {
     const button = ev.currentTarget as any;
-    const eventdata = {
-      success: true,
-      response: undefined,
-      path: "options",
-    };
     button.progress = true;
 
     this._error = undefined;
 
     try {
-      const validation = await validateHassioAddonOption(
-        this.hass,
-        this.addon.slug,
-        this._editor?.value
-      );
-      if (!validation.valid) {
-        throw Error(validation.message);
-      }
       await setHassioAddonOption(this.hass, this.addon.slug, {
         options: this._yamlMode ? this._editor?.value : this._options,
       });
 
       this._configHasChanged = false;
+      const eventdata = {
+        success: true,
+        response: undefined,
+        path: "options",
+      };
+      fireEvent(this, "hass-api-called", eventdata);
       if (this.addon?.state === "started") {
         await suggestAddonRestart(this, this.hass, this.supervisor, this.addon);
       }
     } catch (err) {
       this._error = this.supervisor.localize(
-        "addon.failed_to_save",
+        "addon.configuration.options.failed_to_save",
         "error",
         extractApiErrorMessage(err)
       );
-      eventdata.success = false;
     }
     button.progress = false;
-    fireEvent(this, "hass-api-called", eventdata);
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       haStyle,
       hassioStyle,

hassio/src/addon-view/config/hassio-addon-network.ts

@@ -1,13 +1,15 @@
 import { PaperInputElement } from "@polymer/paper-input/paper-input";
 import {
   css,
-  CSSResultGroup,
+  CSSResult,
+  customElement,
   html,
+  internalProperty,
   LitElement,
+  property,
   PropertyValues,
   TemplateResult,
-} from "lit";
-import { customElement, property, state } from "lit/decorators";
+} from "lit-element";
 import { fireEvent } from "../../../../src/common/dom/fire_event";
 import "../../../../src/components/buttons/ha-progress-button";
 import "../../../../src/components/ha-card";
@@ -41,9 +43,9 @@ class HassioAddonNetwork extends LitElement {
 
   @property({ attribute: false }) public addon!: HassioAddonDetails;
 
-  @state() private _error?: string;
+  @internalProperty() private _error?: string;
 
-  @state() private _config?: NetworkItem[];
+  @internalProperty() private _config?: NetworkItem[];
 
   public connectedCallback(): void {
     super.connectedCallback();
@@ -77,10 +79,12 @@ class HassioAddonNetwork extends LitElement {
                     "addon.configuration.network.host"
                   )}
                 </th>
-                <th>${this.supervisor.localize("common.description")}</th>
+                <th>
+                  ${this.supervisor.localize("common.description")}
+                </th>
               </tr>
-              ${this._config!.map(
-                (item) => html`
+              ${this._config!.map((item) => {
+                return html`
                   <tr>
                     <td>${item.container}</td>
                     <td>
@@ -96,8 +100,8 @@ class HassioAddonNetwork extends LitElement {
                     </td>
                     <td>${this._computeDescription(item)}</td>
                   </tr>
-                `
-              )}
+                `;
+              })}
             </tbody>
           </table>
         </div>
@@ -120,20 +124,25 @@ class HassioAddonNetwork extends LitElement {
     }
   }
 
-  private _computeDescription = (item: NetworkItem): string =>
-    this.addon.translations[this.hass.language]?.network?.[item.container]
-      ?.description ||
-    this.addon.translations.en?.network?.[item.container]?.description ||
-    item.description;
+  private _computeDescription = (item: NetworkItem): string => {
+    return (
+      this.addon.translations[this.hass.language]?.network?.[item.container]
+        ?.description ||
+      this.addon.translations.en?.network?.[item.container]?.description ||
+      item.description
+    );
+  };
 
   private _setNetworkConfig(): void {
     const network = this.addon.network || {};
     const description = this.addon.network_description || {};
-    const items: NetworkItem[] = Object.keys(network).map((key) => ({
-      container: key,
-      host: network[key],
-      description: description[key],
-    }));
+    const items: NetworkItem[] = Object.keys(network).map((key) => {
+      return {
+        container: key,
+        host: network[key],
+        description: description[key],
+      };
+    });
     this._config = items.sort((a, b) => (a.container > b.container ? 1 : -1));
   }
 
@@ -214,7 +223,7 @@ class HassioAddonNetwork extends LitElement {
     button.progress = false;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       haStyle,
       hassioStyle,

hassio/src/addon-view/documentation/hassio-addon-documentation-tab.ts

@@ -1,5 +1,14 @@
 import "../../../../src/components/ha-card";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  internalProperty,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 import "../../../../src/components/ha-circular-progress";
 import "../../../../src/components/ha-markdown";
 import {
@@ -12,7 +21,6 @@ import { haStyle } from "../../../../src/resources/styles";
 import { HomeAssistant } from "../../../../src/types";
 import { hassioStyle } from "../../resources/hassio-style";
 import { Supervisor } from "../../../../src/data/supervisor/supervisor";
-import { customElement, property, state } from "lit/decorators";
 
 @customElement("hassio-addon-documentation-tab")
 class HassioAddonDocumentationDashboard extends LitElement {
@@ -22,9 +30,9 @@ class HassioAddonDocumentationDashboard extends LitElement {
 
   @property({ attribute: false }) public addon?: HassioAddonDetails;
 
-  @state() private _error?: string;
+  @internalProperty() private _error?: string;
 
-  @state() private _content?: string;
+  @internalProperty() private _content?: string;
 
   public async connectedCallback(): Promise<void> {
     super.connectedCallback();
@@ -49,7 +57,7 @@ class HassioAddonDocumentationDashboard extends LitElement {
     `;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       haStyle,
       hassioStyle,

hassio/src/addon-view/hassio-addon-dashboard.ts

@@ -4,8 +4,16 @@ import {
   mdiInformationVariant,
   mdiMathLog,
 } from "@mdi/js";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property, state } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  internalProperty,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 import memoizeOne from "memoize-one";
 import { fireEvent } from "../../../src/common/dom/fire_event";
 import { navigate } from "../../../src/common/navigate";
@@ -44,7 +52,7 @@ class HassioAddonDashboard extends LitElement {
 
   @property({ type: Boolean }) public narrow!: boolean;
 
-  @state() _error?: string;
+  @internalProperty() _error?: string;
 
   private _computeTail = memoizeOne((route: Route) => {
     const dividerPos = route.path.indexOf("/", 1);
@@ -125,7 +133,7 @@ class HassioAddonDashboard extends LitElement {
     `;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       haStyle,
       hassioStyle,
@@ -169,13 +177,12 @@ class HassioAddonDashboard extends LitElement {
       const requestedAddon = extractSearchParam("addon");
       if (requestedAddon) {
         const addonsInfo = await fetchHassioAddonsInfo(this.hass);
-        const validAddon = addonsInfo.addons.some(
-          (addon) => addon.slug === requestedAddon
-        );
+        const validAddon = addonsInfo.addons
+          .some((addon) => addon.slug === requestedAddon);
         if (!validAddon) {
           this._error = this.supervisor.localize("my.error_addon_not_found");
         } else {
-          navigate(`/hassio/addon/${requestedAddon}`, { replace: true });
+          navigate(this, `/hassio/addon/${requestedAddon}`, true);
         }
       }
     }
@@ -183,10 +190,6 @@ class HassioAddonDashboard extends LitElement {
   }
 
   private async _apiCalled(ev): Promise<void> {
-    if (!ev.detail.success) {
-      return;
-    }
-
     const pathSplit: string[] = ev.detail.path?.split("/");
 
     if (!pathSplit || pathSplit.length === 0) {

hassio/src/addon-view/hassio-addon-router.ts

@@ -1,4 +1,4 @@
-import { customElement, property } from "lit/decorators";
+import { customElement, property } from "lit-element";
 import { HassioAddonDetails } from "../../../src/data/hassio/addon";
 import { Supervisor } from "../../../src/data/supervisor/supervisor";
 import {

hassio/src/addon-view/info/hassio-addon-info-tab.ts

@@ -1,5 +1,12 @@
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 import "../../../../src/components/ha-circular-progress";
 import { HassioAddonDetails } from "../../../../src/data/hassio/addon";
 import { Supervisor } from "../../../../src/data/supervisor/supervisor";
@@ -35,7 +42,7 @@ class HassioAddonInfoDashboard extends LitElement {
     `;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       haStyle,
       hassioStyle,

hassio/src/addon-view/info/hassio-addon-info.ts

@@ -14,9 +14,17 @@ import {
   mdiPound,
   mdiShield,
 } from "@mdi/js";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property, state } from "lit/decorators";
-import { classMap } from "lit/directives/class-map";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  internalProperty,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
+import { classMap } from "lit-html/directives/class-map";
 import memoizeOne from "memoize-one";
 import { atLeastVersion } from "../../../../src/common/config/version";
 import { fireEvent } from "../../../../src/common/dom/fire_event";
@@ -82,9 +90,9 @@ class HassioAddonInfo extends LitElement {
 
   @property({ attribute: false }) public supervisor!: Supervisor;
 
-  @state() private _metrics?: HassioStats;
+  @internalProperty() private _metrics?: HassioStats;
 
-  @state() private _error?: string;
+  @internalProperty() private _error?: string;
 
   private _addonStoreInfo = memoizeOne(
     (slug: string, storeAddons: StoreAddon[]) =>
@@ -163,16 +171,16 @@ class HassioAddonInfo extends LitElement {
                   : ""}
               </div>
               <div class="card-actions">
+                <mwc-button @click=${this._updateClicked}>
+                  ${this.supervisor.localize("common.update")}
+                </mwc-button>
                 ${this.addon.changelog
                   ? html`
                       <mwc-button @click=${this._openChangelog}>
                         ${this.supervisor.localize("addon.dashboard.changelog")}
                       </mwc-button>
                     `
-                  : html`<span></span>`}
-                <mwc-button @click=${this._updateClicked}>
-                  ${this.supervisor.localize("common.update")}
-                </mwc-button>
+                  : ""}
               </div>
             </ha-card>
           `
@@ -234,18 +242,14 @@ class HassioAddonInfo extends LitElement {
               ? html`
                   Current version: ${this.addon.version}
                   <div class="changelog" @click=${this._openChangelog}>
-                    (<span class="changelog-link"
-                      >${this.supervisor.localize(
-                        "addon.dashboard.changelog"
-                      )}</span
+                    (<span class="changelog-link">${
+                      this.supervisor.localize("addon.dashboard.changelog")}</span
                     >)
                   </div>
                 `
-              : html`<span class="changelog-link" @click=${this._openChangelog}
-                  >${this.supervisor.localize(
-                    "addon.dashboard.changelog"
-                  )}</span
-                >`}
+              : html`<span class="changelog-link" @click=${this._openChangelog}>${
+                  this.supervisor.localize("addon.dashboard.changelog")
+                }</span>`}
           </div>
 
           <div class="description light-color">
@@ -253,9 +257,13 @@ class HassioAddonInfo extends LitElement {
             ${this.supervisor.localize(
               "addon.dashboard.visit_addon_page",
               "name",
-              html`<a href="${this.addon.url!}" target="_blank" rel="noreferrer"
-                >${this.addon.name}</a
-              >`
+              html`<a
+                href="${this.addon.url!}"
+                target="_blank"
+                rel="noreferrer"
+              >
+                ${this.addon.name}
+              </a>`
             )}
           </div>
           <div class="addon-container">
@@ -554,7 +562,9 @@ class HassioAddonInfo extends LitElement {
                       <span slot="heading">
                         ${this.supervisor.localize("addon.dashboard.hostname")}
                       </span>
-                      <code slot="description"> ${this.addon.hostname} </code>
+                      <code slot="description">
+                        ${this.addon.hostname}
+                      </code>
                     </ha-settings-row>
                     ${metrics.map(
                       (metric) =>
@@ -761,7 +771,7 @@ class HassioAddonInfo extends LitElement {
   }
 
   private _openIngress(): void {
-    navigate(`/hassio/ingress/${this.addon.slug}`);
+    navigate(this, `/hassio/ingress/${this.addon.slug}`);
   }
 
   private get _computeShowIngressUI(): boolean {
@@ -977,14 +987,13 @@ class HassioAddonInfo extends LitElement {
     showDialogSupervisorUpdate(this, {
       supervisor: this.supervisor,
       name: this.addon.name,
-      slug: this.addon.slug,
       version: this.addon.version_latest,
       snapshotParams: {
         name: `addon_${this.addon.slug}_${this.addon.version}`,
         addons: [this.addon.slug],
         homeassistant: false,
       },
-      updateHandler: async () => this._updateAddon(),
+      updateHandler: async () => await this._updateAddon(),
     });
   }
 
@@ -1052,7 +1061,7 @@ class HassioAddonInfo extends LitElement {
   }
 
   private _openConfiguration(): void {
-    navigate(`/hassio/addon/${this.addon.slug}/config`);
+    navigate(this, `/hassio/addon/${this.addon.slug}/config`);
   }
 
   private async _uninstallClicked(ev: CustomEvent): Promise<void> {
@@ -1091,7 +1100,7 @@ class HassioAddonInfo extends LitElement {
     button.progress = false;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       haStyle,
       hassioStyle,

hassio/src/addon-view/log/hassio-addon-log-tab.ts

@@ -1,5 +1,12 @@
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 import "../../../../src/components/ha-circular-progress";
 import { HassioAddonDetails } from "../../../../src/data/hassio/addon";
 import { Supervisor } from "../../../../src/data/supervisor/supervisor";
@@ -31,7 +38,7 @@ class HassioAddonLogDashboard extends LitElement {
     `;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       haStyle,
       hassioStyle,

hassio/src/addon-view/log/hassio-addon-logs.ts

@@ -1,6 +1,14 @@
 import "@material/mwc-button";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property, state } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  internalProperty,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 import "../../../../src/components/ha-card";
 import {
   fetchHassioAddonLogs,
@@ -21,9 +29,9 @@ class HassioAddonLogs extends LitElement {
 
   @property({ attribute: false }) public addon!: HassioAddonDetails;
 
-  @state() private _error?: string;
+  @internalProperty() private _error?: string;
 
-  @state() private _content?: string;
+  @internalProperty() private _content?: string;
 
   public async connectedCallback(): Promise<void> {
     super.connectedCallback();
@@ -51,7 +59,7 @@ class HassioAddonLogs extends LitElement {
     `;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       haStyle,
       hassioStyle,

hassio/src/components/hassio-ansi-to-html.ts

@@ -1,5 +1,12 @@
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 
 interface State {
   bold: boolean;
@@ -18,7 +25,7 @@ class HassioAnsiToHtml extends LitElement {
     return html`${this._parseTextToColoredPre(this.content)}`;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult {
     return css`
       pre {
         overflow-x: auto;

hassio/src/components/hassio-card-content.ts

@@ -1,6 +1,13 @@
 import { mdiHelpCircle } from "@mdi/js";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 import "../../../src/components/ha-relative-time";
 import "../../../src/components/ha-svg-icon";
 import { HomeAssistant } from "../../../src/types";
@@ -49,13 +56,13 @@ class HassioCardContent extends LitElement {
             ></ha-svg-icon>
           `}
       <div>
-        <div class="title">${this.title}</div>
+        <div class="title">
+          ${this.title}
+        </div>
         <div class="addition">
           ${this.description}
-          ${
-            /* treat as available when undefined */
-            this.available === false ? " (Not available)" : ""
-          }
+          ${/* treat as available when undefined */
+          this.available === false ? " (Not available)" : ""}
           ${this.datetime
             ? html`
                 <ha-relative-time
@@ -70,7 +77,7 @@ class HassioCardContent extends LitElement {
     `;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult {
     return css`
       ha-svg-icon {
         margin-right: 24px;

hassio/src/components/hassio-upload-snapshot.ts

@@ -2,8 +2,13 @@ import "@material/mwc-icon-button/mwc-icon-button";
 import { mdiFolderUpload } from "@mdi/js";
 import "@polymer/iron-input/iron-input";
 import "@polymer/paper-input/paper-input-container";
-import { html, LitElement, TemplateResult } from "lit";
-import { customElement, state } from "lit/decorators";
+import {
+  customElement,
+  html,
+  internalProperty,
+  LitElement,
+  TemplateResult,
+} from "lit-element";
 import { fireEvent } from "../../../src/common/dom/fire_event";
 import "../../../src/components/ha-circular-progress";
 import "../../../src/components/ha-file-upload";
@@ -28,9 +33,9 @@ const MAX_FILE_SIZE = 1 * 1024 * 1024 * 1024; // 1GB
 export class HassioUploadSnapshot extends LitElement {
   public hass!: HomeAssistant;
 
-  @state() public value: string | null = null;
+  @internalProperty() public value: string | null = null;
 
-  @state() private _uploading = false;
+  @internalProperty() private _uploading = false;
 
   public render(): TemplateResult {
     return html`

hassio/src/components/supervisor-formfield-label.ts

@@ -1,54 +0,0 @@
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property } from "lit/decorators";
-import "../../../src/components/ha-svg-icon";
-
-@customElement("supervisor-formfield-label")
-class SupervisorFormfieldLabel extends LitElement {
-  @property({ type: String }) public label!: string;
-
-  @property({ type: String }) public imageUrl?: string;
-
-  @property({ type: String }) public iconPath?: string;
-
-  @property({ type: String }) public version?: string;
-
-  protected render(): TemplateResult {
-    return html`
-      ${this.imageUrl
-        ? html`<img loading="lazy" .src=${this.imageUrl} class="icon" />`
-        : this.iconPath
-        ? html`<ha-svg-icon .path=${this.iconPath} class="icon"></ha-svg-icon>`
-        : ""}
-      <span class="label">${this.label}</span>
-      ${this.version
-        ? html`<span class="version">(${this.version})</span>`
-        : ""}
-    `;
-  }
-
-  static get styles(): CSSResultGroup {
-    return css`
-      :host {
-        display: flex;
-        align-items: center;
-      }
-      .label {
-        margin-right: 4px;
-      }
-      .version {
-        color: var(--secondary-text-color);
-      }
-      .icon {
-        max-height: 22px;
-        max-width: 22px;
-        margin-right: 8px;
-      }
-    `;
-  }
-}
-
-declare global {
-  interface HTMLElementTagNameMap {
-    "supervisor-formfield-label": SupervisorFormfieldLabel;
-  }
-}

hassio/src/components/supervisor-metric.ts

@@ -1,6 +1,13 @@
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property } from "lit/decorators";
-import { classMap } from "lit/directives/class-map";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
+import { classMap } from "lit-html/directives/class-map";
 import "../../../src/components/ha-bar";
 import "../../../src/components/ha-settings-row";
 import { roundWithOneDecimal } from "../../../src/util/calculate";
@@ -16,9 +23,13 @@ class SupervisorMetric extends LitElement {
   protected render(): TemplateResult {
     const roundedValue = roundWithOneDecimal(this.value);
     return html`<ha-settings-row>
-      <span slot="heading"> ${this.description} </span>
+      <span slot="heading">
+        ${this.description}
+      </span>
       <div slot="description" .title=${this.tooltip ?? ""}>
-        <span class="value"> ${roundedValue} % </span>
+        <span class="value">
+          ${roundedValue} %
+        </span>
         <ha-bar
           class="${classMap({
             "target-warning": roundedValue > 50,
@@ -30,7 +41,7 @@ class SupervisorMetric extends LitElement {
     </ha-settings-row>`;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult {
     return css`
       ha-settings-row {
         padding: 0;
@@ -64,7 +75,6 @@ class SupervisorMetric extends LitElement {
       .value {
         width: 48px;
         padding-right: 4px;
-        flex-shrink: 0;
       }
     `;
   }

hassio/src/components/supervisor-snapshot-content.ts

@@ -1,450 +0,0 @@
-import { mdiFolder, mdiHomeAssistant, mdiPuzzle } from "@mdi/js";
-import { PaperInputElement } from "@polymer/paper-input/paper-input";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property } from "lit/decorators";
-import { atLeastVersion } from "../../../src/common/config/version";
-import { formatDate } from "../../../src/common/datetime/format_date";
-import { formatDateTime } from "../../../src/common/datetime/format_date_time";
-import { LocalizeFunc } from "../../../src/common/translations/localize";
-import "../../../src/components/ha-checkbox";
-import "../../../src/components/ha-formfield";
-import "../../../src/components/ha-radio";
-import type { HaRadio } from "../../../src/components/ha-radio";
-import {
-  HassioFullSnapshotCreateParams,
-  HassioPartialSnapshotCreateParams,
-  HassioSnapshotDetail,
-} from "../../../src/data/hassio/snapshot";
-import { Supervisor } from "../../../src/data/supervisor/supervisor";
-import { PolymerChangedEvent } from "../../../src/polymer-types";
-import { HomeAssistant } from "../../../src/types";
-import "./supervisor-formfield-label";
-
-interface CheckboxItem {
-  slug: string;
-  checked: boolean;
-  name: string;
-}
-
-interface AddonCheckboxItem extends CheckboxItem {
-  version: string;
-}
-
-const _computeFolders = (folders): CheckboxItem[] => {
-  const list: CheckboxItem[] = [];
-  if (folders.includes("homeassistant")) {
-    list.push({
-      slug: "homeassistant",
-      name: "Home Assistant configuration",
-      checked: false,
-    });
-  }
-  if (folders.includes("ssl")) {
-    list.push({ slug: "ssl", name: "SSL", checked: false });
-  }
-  if (folders.includes("share")) {
-    list.push({ slug: "share", name: "Share", checked: false });
-  }
-  if (folders.includes("media")) {
-    list.push({ slug: "media", name: "Media", checked: false });
-  }
-  if (folders.includes("addons/local")) {
-    list.push({ slug: "addons/local", name: "Local add-ons", checked: false });
-  }
-  return list.sort((a, b) => (a.name > b.name ? 1 : -1));
-};
-
-const _computeAddons = (addons): AddonCheckboxItem[] =>
-  addons
-    .map((addon) => ({
-      slug: addon.slug,
-      name: addon.name,
-      version: addon.version,
-      checked: false,
-    }))
-    .sort((a, b) => (a.name > b.name ? 1 : -1));
-
-@customElement("supervisor-snapshot-content")
-export class SupervisorSnapshotContent extends LitElement {
-  @property({ attribute: false }) public hass!: HomeAssistant;
-
-  @property() public localize?: LocalizeFunc;
-
-  @property({ attribute: false }) public supervisor?: Supervisor;
-
-  @property({ attribute: false }) public snapshot?: HassioSnapshotDetail;
-
-  @property() public snapshotType: HassioSnapshotDetail["type"] = "full";
-
-  @property({ attribute: false }) public folders?: CheckboxItem[];
-
-  @property({ attribute: false }) public addons?: AddonCheckboxItem[];
-
-  @property({ type: Boolean }) public homeAssistant = false;
-
-  @property({ type: Boolean }) public snapshotHasPassword = false;
-
-  @property({ type: Boolean }) public onboarding = false;
-
-  @property() public snapshotName = "";
-
-  @property() public snapshotPassword = "";
-
-  @property() public confirmSnapshotPassword = "";
-
-  public willUpdate(changedProps) {
-    super.willUpdate(changedProps);
-    if (!this.hasUpdated) {
-      this.folders = _computeFolders(
-        this.snapshot
-          ? this.snapshot.folders
-          : ["homeassistant", "ssl", "share", "media", "addons/local"]
-      );
-      this.addons = _computeAddons(
-        this.snapshot
-          ? this.snapshot.addons
-          : this.supervisor?.supervisor.addons
-      );
-      this.snapshotType = this.snapshot?.type || "full";
-      this.snapshotName = this.snapshot?.name || "";
-      this.snapshotHasPassword = this.snapshot?.protected || false;
-    }
-  }
-
-  private _localize = (string: string) =>
-    this.supervisor?.localize(`snapshot.${string}`) ||
-    this.localize!(`ui.panel.page-onboarding.restore.${string}`);
-
-  protected render(): TemplateResult {
-    if (!this.onboarding && !this.supervisor) {
-      return html``;
-    }
-    const foldersSection =
-      this.snapshotType === "partial" ? this._getSection("folders") : undefined;
-    const addonsSection =
-      this.snapshotType === "partial" ? this._getSection("addons") : undefined;
-
-    return html`
-      ${this.snapshot
-        ? html`<div class="details">
-            ${this.snapshot.type === "full"
-              ? this._localize("full_snapshot")
-              : this._localize("partial_snapshot")}
-            (${Math.ceil(this.snapshot.size * 10) / 10 + " MB"})<br />
-            ${this.hass
-              ? formatDateTime(new Date(this.snapshot.date), this.hass.locale)
-              : this.snapshot.date}
-          </div>`
-        : html`<paper-input
-            name="snapshotName"
-            .label=${this.supervisor?.localize("snapshot.name") || "Name"}
-            .value=${this.snapshotName}
-            @value-changed=${this._handleTextValueChanged}
-          >
-          </paper-input>`}
-      ${!this.snapshot || this.snapshot.type === "full"
-        ? html`<div class="sub-header">
-              ${!this.snapshot
-                ? this._localize("type")
-                : this._localize("select_type")}
-            </div>
-            <div class="snapshot-types">
-              <ha-formfield .label=${this._localize("full_snapshot")}>
-                <ha-radio
-                  @change=${this._handleRadioValueChanged}
-                  value="full"
-                  name="snapshotType"
-                  .checked=${this.snapshotType === "full"}
-                >
-                </ha-radio>
-              </ha-formfield>
-              <ha-formfield .label=${this._localize("partial_snapshot")}>
-                <ha-radio
-                  @change=${this._handleRadioValueChanged}
-                  value="partial"
-                  name="snapshotType"
-                  .checked=${this.snapshotType === "partial"}
-                >
-                </ha-radio>
-              </ha-formfield>
-            </div>`
-        : ""}
-      ${this.snapshotType === "partial"
-        ? html`<div class="partial-picker">
-            ${this.snapshot && this.snapshot.homeassistant
-              ? html`
-                  <ha-formfield
-                    .label=${html`<supervisor-formfield-label
-                      label="Home Assistant"
-                      .iconPath=${mdiHomeAssistant}
-                      .version=${this.snapshot.homeassistant}
-                    >
-                    </supervisor-formfield-label>`}
-                  >
-                    <ha-checkbox
-                      .checked=${this.homeAssistant}
-                      @click=${() => {
-                        this.homeAssistant = !this.homeAssistant;
-                      }}
-                    >
-                    </ha-checkbox>
-                  </ha-formfield>
-                `
-              : ""}
-            ${foldersSection?.templates.length
-              ? html`
-                  <ha-formfield
-                    .label=${html`<supervisor-formfield-label
-                      .label=${this._localize("folders")}
-                      .iconPath=${mdiFolder}
-                    >
-                    </supervisor-formfield-label>`}
-                  >
-                    <ha-checkbox
-                      @change=${this._toggleSection}
-                      .checked=${foldersSection.checked}
-                      .indeterminate=${foldersSection.indeterminate}
-                      .section=${"folders"}
-                    >
-                    </ha-checkbox>
-                  </ha-formfield>
-                  <div class="section-content">${foldersSection.templates}</div>
-                `
-              : ""}
-            ${addonsSection?.templates.length
-              ? html`
-                  <ha-formfield
-                    .label=${html`<supervisor-formfield-label
-                      .label=${this._localize("addons")}
-                      .iconPath=${mdiPuzzle}
-                    >
-                    </supervisor-formfield-label>`}
-                  >
-                    <ha-checkbox
-                      @change=${this._toggleSection}
-                      .checked=${addonsSection.checked}
-                      .indeterminate=${addonsSection.indeterminate}
-                      .section=${"addons"}
-                    >
-                    </ha-checkbox>
-                  </ha-formfield>
-                  <div class="section-content">${addonsSection.templates}</div>
-                `
-              : ""}
-          </div> `
-        : ""}
-      ${this.snapshotType === "partial" &&
-      (!this.snapshot || this.snapshotHasPassword)
-        ? html`<hr />`
-        : ""}
-      ${!this.snapshot
-        ? html`<ha-formfield
-            class="password"
-            .label=${this._localize("password_protection")}
-          >
-            <ha-checkbox
-              .checked=${this.snapshotHasPassword}
-              @change=${this._toggleHasPassword}
-            >
-            </ha-checkbox>
-          </ha-formfield>`
-        : ""}
-      ${this.snapshotHasPassword
-        ? html`
-            <paper-input
-              .label=${this._localize("password")}
-              type="password"
-              name="snapshotPassword"
-              .value=${this.snapshotPassword}
-              @value-changed=${this._handleTextValueChanged}
-            >
-            </paper-input>
-            ${!this.snapshot
-              ? html` <paper-input
-                  .label=${this.supervisor?.localize("confirm_password")}
-                  type="password"
-                  name="confirmSnapshotPassword"
-                  .value=${this.confirmSnapshotPassword}
-                  @value-changed=${this._handleTextValueChanged}
-                >
-                </paper-input>`
-              : ""}
-          `
-        : ""}
-    `;
-  }
-
-  static get styles(): CSSResultGroup {
-    return css`
-      .partial-picker ha-formfield {
-        display: block;
-      }
-      .partial-picker ha-checkbox {
-        --mdc-checkbox-touch-target-size: 32px;
-      }
-      .partial-picker {
-        display: block;
-        margin: 0px -6px;
-      }
-      supervisor-formfield-label {
-        display: inline-flex;
-        align-items: center;
-      }
-      hr {
-        border-color: var(--divider-color);
-        border-bottom: none;
-        margin: 16px 0;
-      }
-      .details {
-        color: var(--secondary-text-color);
-      }
-      .section-content {
-        display: flex;
-        flex-direction: column;
-        margin-left: 30px;
-      }
-      ha-formfield.password {
-        display: block;
-        margin: 0 -14px -16px;
-      }
-      .snapshot-types {
-        display: flex;
-        margin-left: -13px;
-      }
-      .sub-header {
-        margin-top: 8px;
-      }
-    `;
-  }
-
-  public snapshotDetails():
-    | HassioPartialSnapshotCreateParams
-    | HassioFullSnapshotCreateParams {
-    const data: any = {};
-
-    if (!this.snapshot) {
-      data.name = this.snapshotName || formatDate(new Date(), this.hass.locale);
-    }
-
-    if (this.snapshotHasPassword) {
-      data.password = this.snapshotPassword;
-      if (!this.snapshot) {
-        data.confirm_password = this.confirmSnapshotPassword;
-      }
-    }
-
-    if (this.snapshotType === "full") {
-      return data;
-    }
-
-    const addons = this.addons
-      ?.filter((addon) => addon.checked)
-      .map((addon) => addon.slug);
-    const folders = this.folders
-      ?.filter((folder) => folder.checked)
-      .map((folder) => folder.slug);
-
-    if (addons?.length) {
-      data.addons = addons;
-    }
-    if (folders?.length) {
-      data.folders = folders;
-    }
-    if (this.homeAssistant) {
-      data.homeassistant = this.homeAssistant;
-    }
-
-    return data;
-  }
-
-  private _getSection(section: string) {
-    const templates: TemplateResult[] = [];
-    const addons =
-      section === "addons"
-        ? new Map(
-            this.supervisor?.addon.addons.map((item) => [item.slug, item])
-          )
-        : undefined;
-    let checkedItems = 0;
-    this[section].forEach((item) => {
-      templates.push(html`<ha-formfield
-        .label=${html`<supervisor-formfield-label
-          .label=${item.name}
-          .iconPath=${section === "addons" ? mdiPuzzle : mdiFolder}
-          .imageUrl=${section === "addons" &&
-          !this.onboarding &&
-          atLeastVersion(this.hass.config.version, 0, 105) &&
-          addons?.get(item.slug)?.icon
-            ? `/api/hassio/addons/${item.slug}/icon`
-            : undefined}
-          .version=${item.version}
-        >
-        </supervisor-formfield-label>`}
-      >
-        <ha-checkbox
-          .item=${item}
-          .checked=${item.checked}
-          .section=${section}
-          @change=${this._updateSectionEntry}
-        >
-        </ha-checkbox>
-      </ha-formfield>`);
-
-      if (item.checked) {
-        checkedItems++;
-      }
-    });
-
-    const checked = checkedItems === this[section].length;
-
-    return {
-      templates,
-      checked,
-      indeterminate: !checked && checkedItems !== 0,
-    };
-  }
-
-  private _handleRadioValueChanged(ev: CustomEvent) {
-    const input = ev.currentTarget as HaRadio;
-    this[input.name] = input.value;
-  }
-
-  private _handleTextValueChanged(ev: PolymerChangedEvent<string>) {
-    const input = ev.currentTarget as PaperInputElement;
-    this[input.name!] = ev.detail.value;
-  }
-
-  private _toggleHasPassword(): void {
-    this.snapshotHasPassword = !this.snapshotHasPassword;
-  }
-
-  private _toggleSection(ev): void {
-    const section = ev.currentTarget.section;
-
-    this[section] = (section === "addons" ? this.addons : this.folders)!.map(
-      (item) => ({
-        ...item,
-        checked: ev.currentTarget.checked,
-      })
-    );
-  }
-
-  private _updateSectionEntry(ev): void {
-    const item = ev.currentTarget.item;
-    const section = ev.currentTarget.section;
-    this[section] = this[section].map((entry) =>
-      entry.slug === item.slug
-        ? {
-            ...entry,
-            checked: ev.currentTarget.checked,
-          }
-        : entry
-    );
-  }
-}
-
-declare global {
-  interface HTMLElementTagNameMap {
-    "supervisor-snapshot-content": SupervisorSnapshotContent;
-  }
-}

hassio/src/dashboard/hassio-addons.ts

@@ -1,6 +1,13 @@
 import { mdiArrowUpBoldCircle, mdiPuzzle } from "@mdi/js";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 import { atLeastVersion } from "../../../src/common/config/version";
 import { navigate } from "../../../src/common/navigate";
 import { compare } from "../../../src/common/string/compare";
@@ -83,7 +90,7 @@ class HassioAddons extends LitElement {
     `;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       haStyle,
       hassioStyle,
@@ -96,11 +103,11 @@ class HassioAddons extends LitElement {
   }
 
   private _addonTapped(ev: any): void {
-    navigate(`/hassio/addon/${ev.currentTarget.addon.slug}/info`);
+    navigate(this, `/hassio/addon/${ev.currentTarget.addon.slug}/info`);
   }
 
   private _openStore(): void {
-    navigate("/hassio/store");
+    navigate(this, "/hassio/store");
   }
 }
 

hassio/src/dashboard/hassio-dashboard.ts

@@ -1,5 +1,12 @@
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 import { Supervisor } from "../../../src/data/supervisor/supervisor";
 import "../../../src/layouts/hass-tabs-subpage";
 import { haStyle } from "../../../src/resources/styles";
@@ -46,7 +53,7 @@ class HassioDashboard extends LitElement {
     `;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       haStyle,
       css`

hassio/src/dashboard/hassio-update.ts

@@ -1,7 +1,14 @@
 import "@material/mwc-button";
 import { mdiHomeAssistant } from "@mdi/js";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 import memoizeOne from "memoize-one";
 import { atLeastVersion } from "../../../src/common/config/version";
 import { fireEvent } from "../../../src/common/dom/fire_event";
@@ -33,8 +40,9 @@ import { HomeAssistant } from "../../../src/types";
 import { showDialogSupervisorUpdate } from "../dialogs/update/show-dialog-update";
 import { hassioStyle } from "../resources/hassio-style";
 
-const computeVersion = (key: string, version: string): string =>
-  key === "os" ? version : `${key}-${version}`;
+const computeVersion = (key: string, version: string): string => {
+  return key === "os" ? version : `${key}-${version}`;
+};
 
 @customElement("hassio-update")
 export class HassioUpdate extends LitElement {
@@ -42,12 +50,11 @@ export class HassioUpdate extends LitElement {
 
   @property({ attribute: false }) public supervisor!: Supervisor;
 
-  private _pendingUpdates = memoizeOne(
-    (supervisor: Supervisor): number =>
-      Object.keys(supervisor).filter(
-        (value) => supervisor[value].update_available
-      ).length
-  );
+  private _pendingUpdates = memoizeOne((supervisor: Supervisor): number => {
+    return Object.keys(supervisor).filter(
+      (value) => supervisor[value].update_available
+    ).length;
+  });
 
   protected render(): TemplateResult {
     if (!this.supervisor) {
@@ -161,7 +168,6 @@ export class HassioUpdate extends LitElement {
       showDialogSupervisorUpdate(this, {
         supervisor: this.supervisor,
         name: "Home Assistant Core",
-        slug: "core",
         version: this.supervisor.core.version_latest,
         snapshotParams: {
           name: `core_${this.supervisor.core.version}`,
@@ -227,7 +233,7 @@ export class HassioUpdate extends LitElement {
     });
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       haStyle,
       hassioStyle,

hassio/src/dialogs/hardware/dialog-hassio-hardware.ts

@@ -1,194 +0,0 @@
-import { mdiClose } from "@mdi/js";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property, state } from "lit/decorators";
-import memoizeOne from "memoize-one";
-import { fireEvent } from "../../../../src/common/dom/fire_event";
-import "../../../../src/common/search/search-input";
-import { compare } from "../../../../src/common/string/compare";
-import "../../../../src/components/ha-dialog";
-import "../../../../src/components/ha-expansion-panel";
-import { HassioHardwareInfo } from "../../../../src/data/hassio/hardware";
-import { dump } from "../../../../src/resources/js-yaml-dump";
-import { haStyle, haStyleDialog } from "../../../../src/resources/styles";
-import { HomeAssistant } from "../../../../src/types";
-import { HassioHardwareDialogParams } from "./show-dialog-hassio-hardware";
-
-const _filterDevices = memoizeOne(
-  (showAdvanced: boolean, hardware: HassioHardwareInfo, filter: string) =>
-    hardware.devices
-      .filter(
-        (device) =>
-          (showAdvanced ||
-            ["tty", "gpio", "input"].includes(device.subsystem)) &&
-          (device.by_id?.toLowerCase().includes(filter) ||
-            device.name.toLowerCase().includes(filter) ||
-            device.dev_path.toLocaleLowerCase().includes(filter) ||
-            JSON.stringify(device.attributes)
-              .toLocaleLowerCase()
-              .includes(filter))
-      )
-      .sort((a, b) => compare(a.name, b.name))
-);
-
-@customElement("dialog-hassio-hardware")
-class HassioHardwareDialog extends LitElement {
-  @property({ attribute: false }) public hass!: HomeAssistant;
-
-  @state() private _dialogParams?: HassioHardwareDialogParams;
-
-  @state() private _filter?: string;
-
-  public showDialog(params: HassioHardwareDialogParams) {
-    this._dialogParams = params;
-  }
-
-  public closeDialog() {
-    this._dialogParams = undefined;
-    fireEvent(this, "dialog-closed", { dialog: this.localName });
-  }
-
-  protected render(): TemplateResult {
-    if (!this._dialogParams) {
-      return html``;
-    }
-
-    const devices = _filterDevices(
-      this.hass.userData?.showAdvanced || false,
-      this._dialogParams.hardware,
-      (this._filter || "").toLowerCase()
-    );
-
-    return html`
-      <ha-dialog
-        open
-        scrimClickAction
-        hideActions
-        @closed=${this.closeDialog}
-        .heading=${true}
-      >
-        <div class="header" slot="heading">
-          <h2>
-            ${this._dialogParams.supervisor.localize("dialog.hardware.title")}
-          </h2>
-          <mwc-icon-button dialogAction="close">
-            <ha-svg-icon .path=${mdiClose}></ha-svg-icon>
-          </mwc-icon-button>
-          <search-input
-            autofocus
-            no-label-float
-            .filter=${this._filter}
-            @value-changed=${this._handleSearchChange}
-            .label=${this._dialogParams.supervisor.localize(
-              "dialog.hardware.search"
-            )}
-          >
-          </search-input>
-        </div>
-
-        ${devices.map(
-          (device) =>
-            html`<ha-expansion-panel
-              .header=${device.name}
-              .secondary=${device.by_id || undefined}
-              outlined
-            >
-              <div class="device-property">
-                <span>
-                  ${this._dialogParams!.supervisor.localize(
-                    "dialog.hardware.subsystem"
-                  )}:
-                </span>
-                <span>${device.subsystem}</span>
-              </div>
-              <div class="device-property">
-                <span>
-                  ${this._dialogParams!.supervisor.localize(
-                    "dialog.hardware.device_path"
-                  )}:
-                </span>
-                <code>${device.dev_path}</code>
-              </div>
-              ${device.by_id
-                ? html` <div class="device-property">
-                    <span>
-                      ${this._dialogParams!.supervisor.localize(
-                        "dialog.hardware.id"
-                      )}:
-                    </span>
-                    <code>${device.by_id}</code>
-                  </div>`
-                : ""}
-              <div class="attributes">
-                <span>
-                  ${this._dialogParams!.supervisor.localize(
-                    "dialog.hardware.attributes"
-                  )}:
-                </span>
-                <pre>${dump(device.attributes, { indent: 2 })}</pre>
-              </div>
-            </ha-expansion-panel>`
-        )}
-      </ha-dialog>
-    `;
-  }
-
-  private _handleSearchChange(ev: CustomEvent) {
-    this._filter = ev.detail.value;
-  }
-
-  static get styles(): CSSResultGroup {
-    return [
-      haStyle,
-      haStyleDialog,
-      css`
-        mwc-icon-button {
-          position: absolute;
-          right: 16px;
-          top: 10px;
-          text-decoration: none;
-          color: var(--primary-text-color);
-        }
-        h2 {
-          margin: 18px 42px 0 18px;
-          color: var(--primary-text-color);
-        }
-
-        ha-expansion-panel {
-          margin: 4px 0;
-        }
-        pre,
-        code {
-          background-color: var(--markdown-code-background-color, none);
-          border-radius: 3px;
-        }
-        pre {
-          padding: 16px;
-          overflow: auto;
-          line-height: 1.45;
-          font-family: var(--code-font-family, monospace);
-        }
-        code {
-          font-size: 85%;
-          padding: 0.2em 0.4em;
-        }
-        search-input {
-          margin: 0 16px;
-          display: block;
-        }
-        .device-property {
-          display: flex;
-          justify-content: space-between;
-        }
-        .attributes {
-          margin-top: 12px;
-        }
-      `,
-    ];
-  }
-}
-
-declare global {
-  interface HTMLElementTagNameMap {
-    "dialog-hassio-hardware": HassioHardwareDialog;
-  }
-}

hassio/src/dialogs/hardware/show-dialog-hassio-hardware.ts

@@ -1,19 +0,0 @@
-import { fireEvent } from "../../../../src/common/dom/fire_event";
-import { HassioHardwareInfo } from "../../../../src/data/hassio/hardware";
-import { Supervisor } from "../../../../src/data/supervisor/supervisor";
-
-export interface HassioHardwareDialogParams {
-  supervisor: Supervisor;
-  hardware: HassioHardwareInfo;
-}
-
-export const showHassioHardwareDialog = (
-  element: HTMLElement,
-  dialogParams: HassioHardwareDialogParams
-): void => {
-  fireEvent(element, "show-dialog", {
-    dialogTag: "dialog-hassio-hardware",
-    dialogImport: () => import("./dialog-hassio-hardware"),
-    dialogParams,
-  });
-};

hassio/src/dialogs/markdown/dialog-hassio-markdown.ts

@@ -1,5 +1,13 @@
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property, state } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  internalProperty,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 import { createCloseHeading } from "../../../../src/components/ha-dialog";
 import "../../../../src/components/ha-markdown";
 import { haStyleDialog } from "../../../../src/resources/styles";
@@ -15,7 +23,7 @@ class HassioMarkdownDialog extends LitElement {
 
   @property() public content!: string;
 
-  @state() private _opened = false;
+  @internalProperty() private _opened = false;
 
   public showDialog(params: HassioMarkdownDialogParams) {
     this.title = params.title;
@@ -42,7 +50,7 @@ class HassioMarkdownDialog extends LitElement {
     `;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       haStyleDialog,
       hassioStyle,

hassio/src/dialogs/network/dialog-hassio-network.ts

@@ -6,9 +6,17 @@ import "@material/mwc-tab";
 import "@material/mwc-tab-bar";
 import { mdiClose } from "@mdi/js";
 import { PaperInputElement } from "@polymer/paper-input/paper-input";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property, state } from "lit/decorators";
-import { cache } from "lit/directives/cache";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  internalProperty,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
+import { cache } from "lit-html/directives/cache";
 import { fireEvent } from "../../../../src/common/dom/fire_event";
 import "../../../../src/components/ha-circular-progress";
 import "../../../../src/components/ha-dialog";
@@ -39,39 +47,38 @@ import { HassioNetworkDialogParams } from "./show-dialog-network";
 const IP_VERSIONS = ["ipv4", "ipv6"];
 
 @customElement("dialog-hassio-network")
-export class DialogHassioNetwork
-  extends LitElement
+export class DialogHassioNetwork extends LitElement
   implements HassDialog<HassioNetworkDialogParams> {
   @property({ attribute: false }) public hass!: HomeAssistant;
 
   @property({ attribute: false }) public supervisor!: Supervisor;
 
-  @state() private _accessPoints?: AccessPoints;
+  @internalProperty() private _accessPoints?: AccessPoints;
 
-  @state() private _curTabIndex = 0;
+  @internalProperty() private _curTabIndex = 0;
 
-  @state() private _dirty = false;
+  @internalProperty() private _dirty = false;
 
-  @state() private _interface?: NetworkInterface;
+  @internalProperty() private _interface?: NetworkInterface;
 
-  @state() private _interfaces!: NetworkInterface[];
+  @internalProperty() private _interfaces!: NetworkInterface[];
 
-  @state() private _params?: HassioNetworkDialogParams;
+  @internalProperty() private _params?: HassioNetworkDialogParams;
 
-  @state() private _processing = false;
+  @internalProperty() private _processing = false;
 
-  @state() private _scanning = false;
+  @internalProperty() private _scanning = false;
 
-  @state() private _wifiConfiguration?: WifiConfiguration;
+  @internalProperty() private _wifiConfiguration?: WifiConfiguration;
 
   public async showDialog(params: HassioNetworkDialogParams): Promise<void> {
     this._params = params;
     this._dirty = false;
     this._curTabIndex = 0;
     this.supervisor = params.supervisor;
-    this._interfaces = params.supervisor.network.interfaces.sort((a, b) =>
-      a.primary > b.primary ? -1 : 1
-    );
+    this._interfaces = params.supervisor.network.interfaces.sort((a, b) => {
+      return a.primary > b.primary ? -1 : 1;
+    });
     this._interface = { ...this._interfaces[this._curTabIndex] };
 
     await this.updateComplete;
@@ -535,7 +542,7 @@ export class DialogHassioNetwork
     this._wifiConfiguration![id] = value;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       haStyleDialog,
       css`

hassio/src/dialogs/registries/dialog-hassio-registries.ts

@@ -3,8 +3,16 @@ import "@material/mwc-icon-button/mwc-icon-button";
 import "@material/mwc-list/mwc-list-item";
 import { mdiDelete } from "@mdi/js";
 import { PaperInputElement } from "@polymer/paper-input/paper-input";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property, state } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  internalProperty,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 import "../../../../src/components/ha-circular-progress";
 import { createCloseHeading } from "../../../../src/components/ha-dialog";
 import "../../../../src/components/ha-svg-icon";
@@ -31,21 +39,21 @@ class HassioRegistriesDialog extends LitElement {
     username: string;
   }[];
 
-  @state() private _registry?: string;
+  @internalProperty() private _registry?: string;
 
-  @state() private _username?: string;
+  @internalProperty() private _username?: string;
 
-  @state() private _password?: string;
+  @internalProperty() private _password?: string;
 
-  @state() private _opened = false;
+  @internalProperty() private _opened = false;
 
-  @state() private _addingRegistry = false;
+  @internalProperty() private _addingRegistry = false;
 
   protected render(): TemplateResult {
     return html`
       <ha-dialog
         .open=${this._opened}
-        @closed=${this.closeDialog}
+        @closing=${this.closeDialog}
         scrimClickAction
         escapeKeyAction
         .heading=${createCloseHeading(
@@ -100,8 +108,8 @@ class HassioRegistriesDialog extends LitElement {
                 </mwc-button>
               `
             : html`${this._registries?.length
-                  ? this._registries.map(
-                      (entry) => html`
+                  ? this._registries.map((entry) => {
+                      return html`
                         <mwc-list-item class="option" hasMeta twoline>
                           <span>${entry.registry}</span>
                           <span slot="secondary"
@@ -121,8 +129,8 @@ class HassioRegistriesDialog extends LitElement {
                             <ha-svg-icon .path=${mdiDelete}></ha-svg-icon>
                           </mwc-icon-button>
                         </mwc-list-item>
-                      `
-                    )
+                      `;
+                    })
                   : html`
                       <mwc-list-item>
                         <span
@@ -212,7 +220,7 @@ class HassioRegistriesDialog extends LitElement {
     }
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       haStyle,
       haStyleDialog,
@@ -244,6 +252,9 @@ class HassioRegistriesDialog extends LitElement {
         mwc-list-item span[slot="secondary"] {
           color: var(--secondary-text-color);
         }
+        ha-paper-dropdown-menu {
+          display: block;
+        }
       `,
     ];
   }

hassio/src/dialogs/repositories/dialog-hassio-repositories.ts

@@ -5,8 +5,17 @@ import "@polymer/paper-input/paper-input";
 import type { PaperInputElement } from "@polymer/paper-input/paper-input";
 import "@polymer/paper-item/paper-item";
 import "@polymer/paper-item/paper-item-body";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property, query, state } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  internalProperty,
+  LitElement,
+  property,
+  query,
+  TemplateResult,
+} from "lit-element";
 import memoizeOne from "memoize-one";
 import { fireEvent } from "../../../../src/common/dom/fire_event";
 import "../../../../src/components/ha-circular-progress";
@@ -28,15 +37,15 @@ class HassioRepositoriesDialog extends LitElement {
 
   @query("#repository_input", true) private _optionInput?: PaperInputElement;
 
-  @state() private _repositories?: HassioAddonRepository[];
+  @internalProperty() private _repositories?: HassioAddonRepository[];
 
-  @state() private _dialogParams?: HassioRepositoryDialogParams;
+  @internalProperty() private _dialogParams?: HassioRepositoryDialogParams;
 
-  @state() private _opened = false;
+  @internalProperty() private _opened = false;
 
-  @state() private _processing = false;
+  @internalProperty() private _prosessing = false;
 
-  @state() private _error?: string;
+  @internalProperty() private _error?: string;
 
   public async showDialog(
     dialogParams: HassioRepositoryDialogParams
@@ -67,7 +76,7 @@ class HassioRepositoriesDialog extends LitElement {
     return html`
       <ha-dialog
         .open=${this._opened}
-        @closed=${this.closeDialog}
+        @closing=${this.closeDialog}
         scrimClickAction
         escapeKeyAction
         .heading=${createCloseHeading(
@@ -78,8 +87,8 @@ class HassioRepositoriesDialog extends LitElement {
         ${this._error ? html`<div class="error">${this._error}</div>` : ""}
         <div class="form">
           ${repositories.length
-            ? repositories.map(
-                (repo) => html`
+            ? repositories.map((repo) => {
+                return html`
                   <paper-item class="option">
                     <paper-item-body three-line>
                       <div>${repo.name}</div>
@@ -96,9 +105,13 @@ class HassioRepositoriesDialog extends LitElement {
                       <ha-svg-icon .path=${mdiDelete}></ha-svg-icon>
                     </mwc-icon-button>
                   </paper-item>
-                `
-              )
-            : html` <paper-item> No repositories </paper-item> `}
+                `;
+              })
+            : html`
+                <paper-item>
+                  No repositories
+                </paper-item>
+              `}
           <div class="layout horizontal bottom">
             <paper-input
               class="flex-auto"
@@ -110,11 +123,8 @@ class HassioRepositoriesDialog extends LitElement {
               @keydown=${this._handleKeyAdd}
             ></paper-input>
             <mwc-button @click=${this._addRepository}>
-              ${this._processing
-                ? html`<ha-circular-progress
-                    active
-                    size="small"
-                  ></ha-circular-progress>`
+              ${this._prosessing
+                ? html`<ha-circular-progress active></ha-circular-progress>`
                 : this._dialogParams!.supervisor.localize(
                     "dialog.repositories.add"
                   )}
@@ -128,7 +138,7 @@ class HassioRepositoriesDialog extends LitElement {
     `;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       haStyle,
       haStyleDialog,
@@ -150,6 +160,9 @@ class HassioRepositoriesDialog extends LitElement {
         mwc-button {
           margin-left: 8px;
         }
+        ha-paper-dropdown-menu {
+          display: block;
+        }
         ha-circular-progress {
           display: block;
           margin: 32px;
@@ -192,9 +205,11 @@ class HassioRepositoriesDialog extends LitElement {
     if (!input || !input.value) {
       return;
     }
-    this._processing = true;
+    this._prosessing = true;
     const repositories = this._filteredRepositories(this._repositories!);
-    const newRepositories = repositories.map((repo) => repo.source);
+    const newRepositories = repositories.map((repo) => {
+      return repo.source;
+    });
     newRepositories.push(input.value);
 
     try {
@@ -207,19 +222,25 @@ class HassioRepositoriesDialog extends LitElement {
     } catch (err) {
       this._error = extractApiErrorMessage(err);
     }
-    this._processing = false;
+    this._prosessing = false;
   }
 
   private async _removeRepository(ev: Event) {
     const slug = (ev.currentTarget as any).slug;
     const repositories = this._filteredRepositories(this._repositories!);
-    const repository = repositories.find((repo) => repo.slug === slug);
+    const repository = repositories.find((repo) => {
+      return repo.slug === slug;
+    });
     if (!repository) {
       return;
     }
     const newRepositories = repositories
-      .map((repo) => repo.source)
-      .filter((repo) => repo !== repository.source);
+      .map((repo) => {
+        return repo.source;
+      })
+      .filter((repo) => {
+        return repo !== repository.source;
+      });
 
     try {
       await setSupervisorOption(this.hass, {

hassio/src/dialogs/snapshot/dialog-hassio-create-snapshot.ts

@@ -1,151 +0,0 @@
-import "@material/mwc-button";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property, query, state } from "lit/decorators";
-import { fireEvent } from "../../../../src/common/dom/fire_event";
-import "../../../../src/components/buttons/ha-progress-button";
-import { createCloseHeading } from "../../../../src/components/ha-dialog";
-import { extractApiErrorMessage } from "../../../../src/data/hassio/common";
-import {
-  createHassioFullSnapshot,
-  createHassioPartialSnapshot,
-} from "../../../../src/data/hassio/snapshot";
-import { showAlertDialog } from "../../../../src/dialogs/generic/show-dialog-box";
-import { haStyle, haStyleDialog } from "../../../../src/resources/styles";
-import { HomeAssistant } from "../../../../src/types";
-import "../../components/supervisor-snapshot-content";
-import type { SupervisorSnapshotContent } from "../../components/supervisor-snapshot-content";
-import { HassioCreateSnapshotDialogParams } from "./show-dialog-hassio-create-snapshot";
-
-@customElement("dialog-hassio-create-snapshot")
-class HassioCreateSnapshotDialog extends LitElement {
-  @property({ attribute: false }) public hass!: HomeAssistant;
-
-  @state() private _dialogParams?: HassioCreateSnapshotDialogParams;
-
-  @state() private _error?: string;
-
-  @state() private _creatingSnapshot = false;
-
-  @query("supervisor-snapshot-content")
-  private _snapshotContent!: SupervisorSnapshotContent;
-
-  public showDialog(params: HassioCreateSnapshotDialogParams) {
-    this._dialogParams = params;
-    this._creatingSnapshot = false;
-  }
-
-  public closeDialog() {
-    this._dialogParams = undefined;
-    this._creatingSnapshot = false;
-    this._error = undefined;
-    fireEvent(this, "dialog-closed", { dialog: this.localName });
-  }
-
-  protected render(): TemplateResult {
-    if (!this._dialogParams) {
-      return html``;
-    }
-    return html`
-      <ha-dialog
-        open
-        scrimClickAction
-        @closed=${this.closeDialog}
-        .heading=${createCloseHeading(
-          this.hass,
-          this._dialogParams.supervisor.localize("snapshot.create_snapshot")
-        )}
-      >
-        ${this._creatingSnapshot
-          ? html` <ha-circular-progress active></ha-circular-progress>`
-          : html`<supervisor-snapshot-content
-              .hass=${this.hass}
-              .supervisor=${this._dialogParams.supervisor}
-            >
-            </supervisor-snapshot-content>`}
-        ${this._error ? html`<p class="error">Error: ${this._error}</p>` : ""}
-        <mwc-button slot="secondaryAction" @click=${this.closeDialog}>
-          ${this._dialogParams.supervisor.localize("common.close")}
-        </mwc-button>
-        <mwc-button
-          .disabled=${this._creatingSnapshot}
-          slot="primaryAction"
-          @click=${this._createSnapshot}
-        >
-          ${this._dialogParams.supervisor.localize("snapshot.create")}
-        </mwc-button>
-      </ha-dialog>
-    `;
-  }
-
-  private async _createSnapshot(): Promise<void> {
-    if (this._dialogParams!.supervisor.info.state !== "running") {
-      showAlertDialog(this, {
-        title: this._dialogParams!.supervisor.localize(
-          "snapshot.could_not_create"
-        ),
-        text: this._dialogParams!.supervisor.localize(
-          "snapshot.create_blocked_not_running",
-          "state",
-          this._dialogParams!.supervisor.info.state
-        ),
-      });
-      return;
-    }
-    const snapshotDetails = this._snapshotContent.snapshotDetails();
-    this._creatingSnapshot = true;
-
-    this._error = "";
-    if (snapshotDetails.password && !snapshotDetails.password.length) {
-      this._error = this._dialogParams!.supervisor.localize(
-        "snapshot.enter_password"
-      );
-      this._creatingSnapshot = false;
-      return;
-    }
-    if (
-      snapshotDetails.password &&
-      snapshotDetails.password !== snapshotDetails.confirm_password
-    ) {
-      this._error = this._dialogParams!.supervisor.localize(
-        "snapshot.passwords_not_matching"
-      );
-      this._creatingSnapshot = false;
-      return;
-    }
-
-    delete snapshotDetails.confirm_password;
-
-    try {
-      if (this._snapshotContent.snapshotType === "full") {
-        await createHassioFullSnapshot(this.hass, snapshotDetails);
-      } else {
-        await createHassioPartialSnapshot(this.hass, snapshotDetails);
-      }
-
-      this._dialogParams!.onCreate();
-      this.closeDialog();
-    } catch (err) {
-      this._error = extractApiErrorMessage(err);
-    }
-    this._creatingSnapshot = false;
-  }
-
-  static get styles(): CSSResultGroup {
-    return [
-      haStyle,
-      haStyleDialog,
-      css`
-        ha-circular-progress {
-          display: block;
-          text-align: center;
-        }
-      `,
-    ];
-  }
-}
-
-declare global {
-  interface HTMLElementTagNameMap {
-    "dialog-hassio-create-snapshot": HassioCreateSnapshotDialog;
-  }
-}

hassio/src/dialogs/snapshot/dialog-hassio-snapshot-upload.ts

@@ -1,6 +1,14 @@
 import { mdiClose } from "@mdi/js";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property, state } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  internalProperty,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 import { fireEvent } from "../../../../src/common/dom/fire_event";
 import "../../../../src/components/ha-header-bar";
 import { HassDialog } from "../../../../src/dialogs/make-dialog-manager";
@@ -10,12 +18,11 @@ import "../../components/hassio-upload-snapshot";
 import { HassioSnapshotUploadDialogParams } from "./show-dialog-snapshot-upload";
 
 @customElement("dialog-hassio-snapshot-upload")
-export class DialogHassioSnapshotUpload
-  extends LitElement
+export class DialogHassioSnapshotUpload extends LitElement
   implements HassDialog<HassioSnapshotUploadDialogParams> {
   @property({ attribute: false }) public hass!: HomeAssistant;
 
-  @state() private _params?: HassioSnapshotUploadDialogParams;
+  @internalProperty() private _params?: HassioSnapshotUploadDialogParams;
 
   public async showDialog(
     params: HassioSnapshotUploadDialogParams
@@ -50,7 +57,9 @@ export class DialogHassioSnapshotUpload
       >
         <div slot="heading">
           <ha-header-bar>
-            <span slot="title"> Upload snapshot </span>
+            <span slot="title">
+              Upload snapshot
+            </span>
             <mwc-icon-button slot="actionItems" dialogAction="cancel">
               <ha-svg-icon .path=${mdiClose}></ha-svg-icon>
             </mwc-icon-button>
@@ -70,7 +79,7 @@ export class DialogHassioSnapshotUpload
     this.closeDialog();
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       haStyleDialog,
       css`

hassio/src/dialogs/snapshot/dialog-hassio-snapshot.ts

@@ -1,12 +1,19 @@
-import { ActionDetail } from "@material/mwc-list";
-import "@material/mwc-list/mwc-list-item";
-import { mdiClose, mdiDotsVertical } from "@mdi/js";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property, query, state } from "lit/decorators";
+import "@material/mwc-button";
+import { mdiClose, mdiDelete, mdiDownload, mdiHistory } from "@mdi/js";
+import "@polymer/paper-checkbox/paper-checkbox";
+import type { PaperCheckboxElement } from "@polymer/paper-checkbox/paper-checkbox";
+import "@polymer/paper-input/paper-input";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  internalProperty,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 import { fireEvent } from "../../../../src/common/dom/fire_event";
-import { slugify } from "../../../../src/common/string/slugify";
-import "../../../../src/components/buttons/ha-progress-button";
-import "../../../../src/components/ha-button-menu";
 import "../../../../src/components/ha-header-bar";
 import "../../../../src/components/ha-svg-icon";
 import { getSignedPath } from "../../../../src/data/auth";
@@ -15,47 +22,96 @@ import {
   fetchHassioSnapshotInfo,
   HassioSnapshotDetail,
 } from "../../../../src/data/hassio/snapshot";
+import { Supervisor } from "../../../../src/data/supervisor/supervisor";
 import {
   showAlertDialog,
   showConfirmationDialog,
 } from "../../../../src/dialogs/generic/show-dialog-box";
-import { HassDialog } from "../../../../src/dialogs/make-dialog-manager";
+import { PolymerChangedEvent } from "../../../../src/polymer-types";
 import { haStyle, haStyleDialog } from "../../../../src/resources/styles";
 import { HomeAssistant } from "../../../../src/types";
-import { fileDownload } from "../../../../src/util/file_download";
-import "../../components/supervisor-snapshot-content";
-import type { SupervisorSnapshotContent } from "../../components/supervisor-snapshot-content";
 import { HassioSnapshotDialogParams } from "./show-dialog-hassio-snapshot";
 
+const _computeFolders = (folders) => {
+  const list: Array<{ slug: string; name: string; checked: boolean }> = [];
+  if (folders.includes("homeassistant")) {
+    list.push({
+      slug: "homeassistant",
+      name: "Home Assistant configuration",
+      checked: true,
+    });
+  }
+  if (folders.includes("ssl")) {
+    list.push({ slug: "ssl", name: "SSL", checked: true });
+  }
+  if (folders.includes("share")) {
+    list.push({ slug: "share", name: "Share", checked: true });
+  }
+  if (folders.includes("addons/local")) {
+    list.push({ slug: "addons/local", name: "Local add-ons", checked: true });
+  }
+  return list;
+};
+
+const _computeAddons = (addons) => {
+  return addons.map((addon) => ({
+    slug: addon.slug,
+    name: addon.name,
+    version: addon.version,
+    checked: true,
+  }));
+};
+
+interface AddonItem {
+  slug: string;
+  name: string;
+  version: string;
+  checked: boolean | null | undefined;
+}
+
+interface FolderItem {
+  slug: string;
+  name: string;
+  checked: boolean | null | undefined;
+}
+
 @customElement("dialog-hassio-snapshot")
-class HassioSnapshotDialog
-  extends LitElement
-  implements HassDialog<HassioSnapshotDialogParams> {
+class HassioSnapshotDialog extends LitElement {
   @property({ attribute: false }) public hass!: HomeAssistant;
 
-  @state() private _error?: string;
+  @property({ attribute: false }) public supervisor?: Supervisor;
 
-  @state() private _snapshot?: HassioSnapshotDetail;
+  @internalProperty() private _error?: string;
 
-  @state() private _dialogParams?: HassioSnapshotDialogParams;
+  @internalProperty() private _onboarding = false;
 
-  @state() private _restoringSnapshot = false;
+  @internalProperty() private _snapshot?: HassioSnapshotDetail;
 
-  @query("supervisor-snapshot-content")
-  private _snapshotContent!: SupervisorSnapshotContent;
+  @internalProperty() private _folders!: FolderItem[];
+
+  @internalProperty() private _addons!: AddonItem[];
+
+  @internalProperty() private _dialogParams?: HassioSnapshotDialogParams;
+
+  @internalProperty() private _snapshotPassword!: string;
+
+  @internalProperty() private _restoreHass = true;
 
   public async showDialog(params: HassioSnapshotDialogParams) {
     this._snapshot = await fetchHassioSnapshotInfo(this.hass, params.slug);
-    this._dialogParams = params;
-    this._restoringSnapshot = false;
-  }
+    this._folders = _computeFolders(
+      this._snapshot?.folders
+    ).sort((a: FolderItem, b: FolderItem) => (a.name > b.name ? 1 : -1));
+    this._addons = _computeAddons(
+      this._snapshot?.addons
+    ).sort((a: AddonItem, b: AddonItem) => (a.name > b.name ? 1 : -1));
 
-  public closeDialog() {
-    this._snapshot = undefined;
-    this._dialogParams = undefined;
-    this._restoringSnapshot = false;
-    this._error = undefined;
-    fireEvent(this, "dialog-closed", { dialog: this.localName });
+    this._dialogParams = params;
+    this._onboarding = params.onboarding ?? false;
+    this.supervisor = params.supervisor;
+    if (!this._snapshot.homeassistant) {
+      this._restoreHass = false;
+    }
   }
 
   protected render(): TemplateResult {
@@ -63,110 +119,204 @@ class HassioSnapshotDialog
       return html``;
     }
     return html`
-      <ha-dialog
-        open
-        scrimClickAction
-        @closed=${this.closeDialog}
-        .heading=${true}
-      >
+      <ha-dialog open @closing=${this._closeDialog} .heading=${true}>
         <div slot="heading">
           <ha-header-bar>
-            <span slot="title">${this._snapshot.name}</span>
+            <span slot="title">
+              ${this._computeName}
+            </span>
             <mwc-icon-button slot="actionItems" dialogAction="cancel">
               <ha-svg-icon .path=${mdiClose}></ha-svg-icon>
             </mwc-icon-button>
           </ha-header-bar>
         </div>
-        ${this._restoringSnapshot
-          ? html` <ha-circular-progress active></ha-circular-progress>`
-          : html`<supervisor-snapshot-content
-              .hass=${this.hass}
-              .supervisor=${this._dialogParams.supervisor}
-              .snapshot=${this._snapshot}
-              .onboarding=${this._dialogParams.onboarding || false}
-              .localize=${this._dialogParams.localize}
-            >
-            </supervisor-snapshot-content>`}
-        ${this._error ? html`<p class="error">Error: ${this._error}</p>` : ""}
-
-        <mwc-button
-          .disabled=${this._restoringSnapshot}
-          slot="secondaryAction"
-          @click=${this._restoreClicked}
-        >
-          Restore
-        </mwc-button>
-
-        ${!this._dialogParams.onboarding
-          ? html`<ha-button-menu
-              fixed
-              slot="primaryAction"
-              @action=${this._handleMenuAction}
-              @closed=${(ev: Event) => ev.stopPropagation()}
-            >
-              <mwc-icon-button slot="trigger" alt="menu">
-                <ha-svg-icon .path=${mdiDotsVertical}></ha-svg-icon>
-              </mwc-icon-button>
-              <mwc-list-item>Download Snapshot</mwc-list-item>
-              <mwc-list-item class="error">Delete Snapshot</mwc-list-item>
-            </ha-button-menu>`
+        <div class="details">
+          ${this._snapshot.type === "full"
+            ? "Full snapshot"
+            : "Partial snapshot"}
+          (${this._computeSize})<br />
+          ${this._formatDatetime(this._snapshot.date)}
+        </div>
+        ${this._snapshot.homeassistant
+          ? html`<div>Home Assistant:</div>
+              <paper-checkbox
+                .checked=${this._restoreHass}
+                @change="${(ev: Event) => {
+                  this._restoreHass = (ev.target as PaperCheckboxElement).checked!;
+                }}"
+              >
+                Home Assistant ${this._snapshot.homeassistant}
+              </paper-checkbox>`
           : ""}
+        ${this._folders.length
+          ? html`
+              <div>Folders:</div>
+              <paper-dialog-scrollable class="no-margin-top">
+                ${this._folders.map((item) => {
+                  return html`
+                    <paper-checkbox
+                      .checked=${item.checked}
+                      @change="${(ev: Event) =>
+                        this._updateFolders(
+                          item,
+                          (ev.target as PaperCheckboxElement).checked
+                        )}"
+                    >
+                      ${item.name}
+                    </paper-checkbox>
+                  `;
+                })}
+              </paper-dialog-scrollable>
+            `
+          : ""}
+        ${this._addons.length
+          ? html`
+              <div>Add-on:</div>
+              <paper-dialog-scrollable class="no-margin-top">
+                ${this._addons.map((item) => {
+                  return html`
+                    <paper-checkbox
+                      .checked=${item.checked}
+                      @change="${(ev: Event) =>
+                        this._updateAddons(
+                          item,
+                          (ev.target as PaperCheckboxElement).checked
+                        )}"
+                    >
+                      ${item.name}
+                    </paper-checkbox>
+                  `;
+                })}
+              </paper-dialog-scrollable>
+            `
+          : ""}
+        ${this._snapshot.protected
+          ? html`
+              <paper-input
+                autofocus=""
+                label="Password"
+                type="password"
+                @value-changed=${this._passwordInput}
+                .value=${this._snapshotPassword}
+              ></paper-input>
+            `
+          : ""}
+        ${this._error ? html` <p class="error">Error: ${this._error}</p> ` : ""}
+
+        <div class="button-row" slot="primaryAction">
+          <mwc-button @click=${this._partialRestoreClicked}>
+            <ha-svg-icon .path=${mdiHistory} class="icon"></ha-svg-icon>
+            Restore Selected
+          </mwc-button>
+          ${!this._onboarding
+            ? html`
+                <mwc-button @click=${this._deleteClicked}>
+                  <ha-svg-icon .path=${mdiDelete} class="icon warning">
+                  </ha-svg-icon>
+                  <span class="warning">Delete Snapshot</span>
+                </mwc-button>
+              `
+            : ""}
+        </div>
+        <div class="button-row" slot="secondaryAction">
+          ${this._snapshot.type === "full"
+            ? html`
+                <mwc-button @click=${this._fullRestoreClicked}>
+                  <ha-svg-icon .path=${mdiHistory} class="icon"></ha-svg-icon>
+                  Restore Everything
+                </mwc-button>
+              `
+            : ""}
+          ${!this._onboarding
+            ? html`<mwc-button @click=${this._downloadClicked}>
+                <ha-svg-icon .path=${mdiDownload} class="icon"></ha-svg-icon>
+                Download Snapshot
+              </mwc-button>`
+            : ""}
+        </div>
       </ha-dialog>
     `;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       haStyle,
       haStyleDialog,
       css`
-        ha-svg-icon {
-          color: var(--primary-text-color);
-        }
-        ha-circular-progress {
+        paper-checkbox {
           display: block;
-          text-align: center;
+          margin: 4px;
+        }
+        mwc-button ha-svg-icon {
+          margin-right: 4px;
+        }
+        .button-row {
+          display: grid;
+          gap: 8px;
+          margin-right: 8px;
+        }
+        .details {
+          color: var(--secondary-text-color);
+        }
+        .warning,
+        .error {
+          color: var(--error-color);
+        }
+        .buttons li {
+          list-style-type: none;
+        }
+        .buttons .icon {
+          margin-right: 16px;
+        }
+        .no-margin-top {
+          margin-top: 0;
         }
         ha-header-bar {
           --mdc-theme-on-primary: var(--primary-text-color);
           --mdc-theme-primary: var(--mdc-theme-surface);
           flex-shrink: 0;
-          display: block;
+        }
+        /* overrule the ha-style-dialog max-height on small screens */
+        @media all and (max-width: 450px), all and (max-height: 500px) {
+          ha-header-bar {
+            --mdc-theme-primary: var(--app-header-background-color);
+            --mdc-theme-on-primary: var(--app-header-text-color, white);
+          }
         }
       `,
     ];
   }
 
-  private _handleMenuAction(ev: CustomEvent<ActionDetail>) {
-    switch (ev.detail.index) {
-      case 0:
-        this._downloadClicked();
-        break;
-      case 1:
-        this._deleteClicked();
-        break;
-    }
+  private _updateFolders(item: FolderItem, value: boolean | null | undefined) {
+    this._folders = this._folders.map((folder) => {
+      if (folder.slug === item.slug) {
+        folder.checked = value;
+      }
+      return folder;
+    });
   }
 
-  private async _restoreClicked() {
-    const snapshotDetails = this._snapshotContent.snapshotDetails();
-    this._restoringSnapshot = true;
-    if (this._snapshotContent.snapshotType === "full") {
-      await this._fullRestoreClicked(snapshotDetails);
-    } else {
-      await this._partialRestoreClicked(snapshotDetails);
-    }
-    this._restoringSnapshot = false;
+  private _updateAddons(item: AddonItem, value: boolean | null | undefined) {
+    this._addons = this._addons.map((addon) => {
+      if (addon.slug === item.slug) {
+        addon.checked = value;
+      }
+      return addon;
+    });
   }
 
-  private async _partialRestoreClicked(snapshotDetails) {
+  private _passwordInput(ev: PolymerChangedEvent<string>) {
+    this._snapshotPassword = ev.detail.value;
+  }
+
+  private async _partialRestoreClicked() {
     if (
-      this._dialogParams?.supervisor !== undefined &&
-      this._dialogParams?.supervisor.info.state !== "running"
+      this.supervisor !== undefined &&
+      this.supervisor.info.state !== "running"
     ) {
       await showAlertDialog(this, {
         title: "Could not restore snapshot",
-        text: `Restoring a snapshot is not possible right now because the system is in ${this._dialogParams?.supervisor.info.state} state.`,
+        text: `Restoring a snapshot is not possible right now because the system is in ${this.supervisor.info.state} state.`,
       });
       return;
     }
@@ -180,17 +330,41 @@ class HassioSnapshotDialog
       return;
     }
 
-    if (!this._dialogParams?.onboarding) {
+    const addons = this._addons
+      .filter((addon) => addon.checked)
+      .map((addon) => addon.slug);
+
+    const folders = this._folders
+      .filter((folder) => folder.checked)
+      .map((folder) => folder.slug);
+
+    const data: {
+      homeassistant: boolean;
+      addons: any;
+      folders: any;
+      password?: string;
+    } = {
+      homeassistant: this._restoreHass,
+      addons,
+      folders,
+    };
+
+    if (this._snapshot!.protected) {
+      data.password = this._snapshotPassword;
+    }
+
+    if (!this._onboarding) {
       this.hass
         .callApi(
           "POST",
 
           `hassio/snapshots/${this._snapshot!.slug}/restore/partial`,
-          snapshotDetails
+          data
         )
         .then(
           () => {
-            this.closeDialog();
+            alert("Snapshot restored!");
+            this._closeDialog();
           },
           (error) => {
             this._error = error.body.message;
@@ -200,20 +374,20 @@ class HassioSnapshotDialog
       fireEvent(this, "restoring");
       fetch(`/api/hassio/snapshots/${this._snapshot!.slug}/restore/partial`, {
         method: "POST",
-        body: JSON.stringify(snapshotDetails),
+        body: JSON.stringify(data),
       });
-      this.closeDialog();
+      this._closeDialog();
     }
   }
 
-  private async _fullRestoreClicked(snapshotDetails) {
+  private async _fullRestoreClicked() {
     if (
-      this._dialogParams?.supervisor !== undefined &&
-      this._dialogParams?.supervisor.info.state !== "running"
+      this.supervisor !== undefined &&
+      this.supervisor.info.state !== "running"
     ) {
       await showAlertDialog(this, {
         title: "Could not restore snapshot",
-        text: `Restoring a snapshot is not possible right now because the system is in ${this._dialogParams?.supervisor.info.state} state.`,
+        text: `Restoring a snapshot is not possible right now because the system is in ${this.supervisor.info.state} state.`,
       });
       return;
     }
@@ -228,16 +402,20 @@ class HassioSnapshotDialog
       return;
     }
 
-    if (!this._dialogParams?.onboarding) {
+    const data = this._snapshot!.protected
+      ? { password: this._snapshotPassword }
+      : undefined;
+    if (!this._onboarding) {
       this.hass
         .callApi(
           "POST",
           `hassio/snapshots/${this._snapshot!.slug}/restore/full`,
-          snapshotDetails
+          data
         )
         .then(
           () => {
-            this.closeDialog();
+            alert("Snapshot restored!");
+            this._closeDialog();
           },
           (error) => {
             this._error = error.body.message;
@@ -247,9 +425,9 @@ class HassioSnapshotDialog
       fireEvent(this, "restoring");
       fetch(`/api/hassio/snapshots/${this._snapshot!.slug}/restore/full`, {
         method: "POST",
-        body: JSON.stringify(snapshotDetails),
+        body: JSON.stringify(data),
       });
-      this.closeDialog();
+      this._closeDialog();
     }
   }
 
@@ -272,7 +450,7 @@ class HassioSnapshotDialog
           if (this._dialogParams!.onDelete) {
             this._dialogParams!.onDelete();
           }
-          this.closeDialog();
+          this._closeDialog();
         },
         (error) => {
           this._error = error.body.message;
@@ -288,9 +466,7 @@ class HassioSnapshotDialog
         `/api/hassio/snapshots/${this._snapshot!.slug}/download`
       );
     } catch (err) {
-      await showAlertDialog(this, {
-        text: extractApiErrorMessage(err),
-      });
+      alert(`Error: ${extractApiErrorMessage(err)}`);
       return;
     }
 
@@ -307,11 +483,13 @@ class HassioSnapshotDialog
       }
     }
 
-    fileDownload(
-      this,
-      signedPath.path,
-      `home_assistant_snapshot_${slugify(this._computeName)}.tar`
-    );
+    const name = this._computeName.replace(/[^a-z0-9]+/gi, "_");
+    const a = document.createElement("a");
+    a.href = signedPath.path;
+    a.download = `Hass_io_${name}.tar`;
+    this.shadowRoot!.appendChild(a);
+    a.click();
+    this.shadowRoot!.removeChild(a);
   }
 
   private get _computeName() {
@@ -319,6 +497,29 @@ class HassioSnapshotDialog
       ? this._snapshot.name || this._snapshot.slug
       : "Unnamed snapshot";
   }
+
+  private get _computeSize() {
+    return Math.ceil(this._snapshot!.size * 10) / 10 + " MB";
+  }
+
+  private _formatDatetime(datetime) {
+    return new Date(datetime).toLocaleDateString(navigator.language, {
+      weekday: "long",
+      year: "numeric",
+      month: "short",
+      day: "numeric",
+      hour: "numeric",
+      minute: "2-digit",
+    });
+  }
+
+  private _closeDialog() {
+    this._dialogParams = undefined;
+    this._snapshot = undefined;
+    this._snapshotPassword = "";
+    this._folders = [];
+    this._addons = [];
+  }
 }
 
 declare global {

hassio/src/dialogs/snapshot/show-dialog-hassio-create-snapshot.ts

@@ -1,18 +0,0 @@
-import { fireEvent } from "../../../../src/common/dom/fire_event";
-import { Supervisor } from "../../../../src/data/supervisor/supervisor";
-
-export interface HassioCreateSnapshotDialogParams {
-  supervisor: Supervisor;
-  onCreate: () => void;
-}
-
-export const showHassioCreateSnapshotDialog = (
-  element: HTMLElement,
-  dialogParams: HassioCreateSnapshotDialogParams
-): void => {
-  fireEvent(element, "show-dialog", {
-    dialogTag: "dialog-hassio-create-snapshot",
-    dialogImport: () => import("./dialog-hassio-create-snapshot"),
-    dialogParams,
-  });
-};

hassio/src/dialogs/snapshot/show-dialog-hassio-snapshot.ts

@@ -1,5 +1,4 @@
 import { fireEvent } from "../../../../src/common/dom/fire_event";
-import { LocalizeFunc } from "../../../../src/common/translations/localize";
 import { Supervisor } from "../../../../src/data/supervisor/supervisor";
 
 export interface HassioSnapshotDialogParams {
@@ -7,7 +6,6 @@ export interface HassioSnapshotDialogParams {
   onDelete?: () => void;
   onboarding?: boolean;
   supervisor?: Supervisor;
-  localize?: LocalizeFunc;
 }
 
 export const showHassioSnapshotDialog = (

hassio/src/dialogs/suggestAddonRestart.ts

@@ -1,4 +1,4 @@
-import type { LitElement } from "lit";
+import type { LitElement } from "lit-element";
 import {
   HassioAddonDetails,
   restartHassioAddon,

hassio/src/dialogs/update/dialog-supervisor-update.ts

@@ -1,47 +1,41 @@
 import "@material/mwc-button/mwc-button";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, state } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  internalProperty,
+  LitElement,
+  TemplateResult,
+} from "lit-element";
 import { fireEvent } from "../../../../src/common/dom/fire_event";
-import "../../../../src/components/ha-checkbox";
 import "../../../../src/components/ha-circular-progress";
 import "../../../../src/components/ha-dialog";
 import "../../../../src/components/ha-settings-row";
 import "../../../../src/components/ha-svg-icon";
+import "../../../../src/components/ha-switch";
 import {
   extractApiErrorMessage,
   ignoreSupervisorError,
 } from "../../../../src/data/hassio/common";
-import {
-  SupervisorFrontendPrefrences,
-  fetchSupervisorFrontendPreferences,
-  saveSupervisorFrontendPreferences,
-} from "../../../../src/data/supervisor/supervisor";
 import { createHassioPartialSnapshot } from "../../../../src/data/hassio/snapshot";
 import { haStyle, haStyleDialog } from "../../../../src/resources/styles";
 import type { HomeAssistant } from "../../../../src/types";
 import { SupervisorDialogSupervisorUpdateParams } from "./show-dialog-update";
-import memoizeOne from "memoize-one";
-
-const snapshot_before_update = memoizeOne(
-  (slug: string, frontendPrefrences: SupervisorFrontendPrefrences) =>
-    slug in frontendPrefrences.snapshot_before_update
-      ? frontendPrefrences.snapshot_before_update[slug]
-      : true
-);
 
 @customElement("dialog-supervisor-update")
 class DialogSupervisorUpdate extends LitElement {
   public hass!: HomeAssistant;
 
-  @state() private _opened = false;
+  @internalProperty() private _opened = false;
 
-  @state() private _action: "snapshot" | "update" | null = null;
+  @internalProperty() private _createSnapshot = true;
 
-  @state() private _error?: string;
+  @internalProperty() private _action: "snapshot" | "update" | null = null;
 
-  @state() private _frontendPrefrences?: SupervisorFrontendPrefrences;
+  @internalProperty() private _error?: string;
 
-  @state()
+  @internalProperty()
   private _dialogParams?: SupervisorDialogSupervisorUpdateParams;
 
   public async showDialog(
@@ -49,17 +43,14 @@ class DialogSupervisorUpdate extends LitElement {
   ): Promise<void> {
     this._opened = true;
     this._dialogParams = params;
-    this._frontendPrefrences = await fetchSupervisorFrontendPreferences(
-      this.hass
-    );
     await this.updateComplete;
   }
 
   public closeDialog(): void {
     this._action = null;
+    this._createSnapshot = true;
     this._error = undefined;
     this._dialogParams = undefined;
-    this._frontendPrefrences = undefined;
     fireEvent(this, "dialog-closed", { dialog: this.localName });
   }
 
@@ -72,7 +63,7 @@ class DialogSupervisorUpdate extends LitElement {
   }
 
   protected render(): TemplateResult {
-    if (!this._dialogParams || !this._frontendPrefrences) {
+    if (!this._dialogParams) {
       return html``;
     }
     return html`
@@ -98,16 +89,6 @@ class DialogSupervisorUpdate extends LitElement {
               </div>
 
               <ha-settings-row>
-                <ha-checkbox
-                  .checked=${snapshot_before_update(
-                    this._dialogParams.slug,
-                    this._frontendPrefrences
-                  )}
-                  haptic
-                  @click=${this._toggleSnapshot}
-                  slot="prefix"
-                >
-                </ha-checkbox>
                 <span slot="heading">
                   ${this._dialogParams.supervisor.localize(
                     "dialog.update.snapshot"
@@ -120,6 +101,12 @@ class DialogSupervisorUpdate extends LitElement {
                     this._dialogParams.name
                   )}
                 </span>
+                <ha-switch
+                  .checked=${this._createSnapshot}
+                  haptic
+                  @click=${this._toggleSnapshot}
+                >
+                </ha-switch>
               </ha-settings-row>
               <mwc-button @click=${this.closeDialog} slot="secondaryAction">
                 ${this._dialogParams.supervisor.localize("common.cancel")}
@@ -153,27 +140,12 @@ class DialogSupervisorUpdate extends LitElement {
     `;
   }
 
-  private async _toggleSnapshot(): Promise<void> {
-    this._frontendPrefrences!.snapshot_before_update[
-      this._dialogParams!.slug
-    ] = !snapshot_before_update(
-      this._dialogParams!.slug,
-      this._frontendPrefrences!
-    );
-
-    await saveSupervisorFrontendPreferences(
-      this.hass,
-      this._frontendPrefrences!
-    );
+  private _toggleSnapshot() {
+    this._createSnapshot = !this._createSnapshot;
   }
 
   private async _update() {
-    if (
-      snapshot_before_update(
-        this._dialogParams!.slug,
-        this._frontendPrefrences!
-      )
-    ) {
+    if (this._createSnapshot) {
       this._action = "snapshot";
       try {
         await createHassioPartialSnapshot(
@@ -201,7 +173,7 @@ class DialogSupervisorUpdate extends LitElement {
     this.closeDialog();
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult[] {
     return [
       haStyle,
       haStyleDialog,

hassio/src/dialogs/update/show-dialog-update.ts

@@ -5,7 +5,6 @@ export interface SupervisorDialogSupervisorUpdateParams {
   supervisor: Supervisor;
   name: string;
   version: string;
-  slug: string;
   snapshotParams: any;
   updateHandler: () => Promise<void>;
 }

hassio/src/entrypoint.ts

@@ -15,11 +15,5 @@ body {
   padding: 0;
   height: 100vh;
 }
-@media (prefers-color-scheme: dark) {
-  body {
-    background-color: #111111;
-    color: #e1e1e1;
-  }
-}
 `;
 document.head.appendChild(styleEl);

hassio/src/hassio-main.ts

@@ -1,11 +1,7 @@
-import { html, PropertyValues } from "lit";
-import { customElement, property } from "lit/decorators";
+import { customElement, html, property, PropertyValues } from "lit-element";
 import { atLeastVersion } from "../../src/common/config/version";
 import { applyThemesOnElement } from "../../src/common/dom/apply_themes_on_element";
 import { fireEvent } from "../../src/common/dom/fire_event";
-import { isNavigationClick } from "../../src/common/dom/is-navigation-click";
-import { mainWindow } from "../../src/common/dom/get_main_window";
-import { navigate } from "../../src/common/navigate";
 import { HassioPanelInfo } from "../../src/data/hassio/supervisor";
 import { Supervisor } from "../../src/data/supervisor/supervisor";
 import { makeDialogManager } from "../../src/dialogs/make-dialog-manager";
@@ -48,25 +44,13 @@ export class HassioMain extends SupervisorBaseElement {
     // We changed the navigate event to fire directly on the window, as that's
     // where we are listening for it. However, the older panel_custom will
     // listen on this element for navigation events, so we need to forward them.
-
-    // Joakim - April 26, 2021
-    // Due to changes in behavior in Google Chrome, we changed navigate to listen on the top element
-    mainWindow.addEventListener("location-changed", (ev) =>
+    window.addEventListener("location-changed", (ev) =>
       // @ts-ignore
       fireEvent(this, ev.type, ev.detail, {
         bubbles: false,
       })
     );
 
-    // Paulus - May 17, 2021
-    // Convert the <a> tags to native nav in Home Assistant < 2021.6
-    document.body.addEventListener("click", (ev) => {
-      const href = isNavigationClick(ev);
-      if (href) {
-        navigate(href);
-      }
-    });
-
     // Forward haptic events to parent window.
     window.addEventListener("haptic", (ev) => {
       // @ts-ignore
@@ -103,7 +87,7 @@ export class HassioMain extends SupervisorBaseElement {
 
   private _applyTheme() {
     let themeName: string;
-    let themeSettings: Partial<HomeAssistant["selectedTheme"]> | undefined;
+    let options: Partial<HomeAssistant["selectedTheme"]> | undefined;
 
     if (atLeastVersion(this.hass.config.version, 0, 114)) {
       themeName =
@@ -112,9 +96,9 @@ export class HassioMain extends SupervisorBaseElement {
           ? this.hass.themes.default_dark_theme!
           : this.hass.themes.default_theme);
 
-      themeSettings = this.hass.selectedTheme;
-      if (themeSettings?.dark === undefined) {
-        themeSettings = {
+      options = this.hass.selectedTheme;
+      if (themeName === "default" && options?.dark === undefined) {
+        options = {
           ...this.hass.selectedTheme,
           dark: this.hass.themes.darkMode,
         };
@@ -129,7 +113,7 @@ export class HassioMain extends SupervisorBaseElement {
       this.parentElement,
       this.hass.themes,
       themeName,
-      themeSettings
+      options
     );
   }
 }

hassio/src/hassio-my-redirect.ts

@@ -1,4 +1,11 @@
-import { html, LitElement, TemplateResult } from "lit";
+import {
+  customElement,
+  html,
+  internalProperty,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 import { sanitizeUrl } from "@braintree/sanitize-url";
 import {
   createSearchParam,
@@ -13,7 +20,6 @@ import {
 import { navigate } from "../../src/common/navigate";
 import { HomeAssistant, Route } from "../../src/types";
 import { Supervisor } from "../../src/data/supervisor/supervisor";
-import { customElement, property, state } from "lit/decorators";
 
 const REDIRECTS: Redirects = {
   supervisor: {
@@ -37,12 +43,6 @@ const REDIRECTS: Redirects = {
       addon: "string",
     },
   },
-  supervisor_ingress: {
-    redirect: "/hassio/ingress",
-    params: {
-      addon: "string",
-    },
-  },
   supervisor_add_addon_repository: {
     redirect: "/hassio/store",
     params: {
@@ -59,7 +59,7 @@ class HassioMyRedirect extends LitElement {
 
   @property({ attribute: false }) public route!: Route;
 
-  @state() public _error?: TemplateResult | string;
+  @internalProperty() public _error?: TemplateResult | string;
 
   connectedCallback() {
     super.connectedCallback();
@@ -89,7 +89,7 @@ class HassioMyRedirect extends LitElement {
       return;
     }
 
-    navigate(url, { replace: true });
+    navigate(this, url, true);
   }
 
   protected render(): TemplateResult {

hassio/src/hassio-panel-router.ts

@@ -1,4 +1,4 @@
-import { customElement, property } from "lit/decorators";
+import { customElement, property } from "lit-element";
 import { Supervisor } from "../../src/data/supervisor/supervisor";
 import {
   HassRouterPage,

hassio/src/hassio-panel.ts

@@ -1,5 +1,12 @@
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property } from "lit/decorators";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
 import {
   Supervisor,
   supervisorCollection,
@@ -39,7 +46,7 @@ class HassioPanel extends LitElement {
     `;
   }
 
-  static get styles(): CSSResultGroup {
+  static get styles(): CSSResult {
     return css`
       :host {
         --app-header-background-color: var(--sidebar-background-color);

hassio/src/hassio-router.ts

@@ -1,4 +1,4 @@
-import { customElement, property } from "lit/decorators";
+import { customElement, property } from "lit-element";
 import { HassioPanelInfo } from "../../src/data/hassio/supervisor";
 import { Supervisor } from "../../src/data/supervisor/supervisor";
 import {
@@ -61,10 +61,11 @@ class HassioRouter extends HassRouterPage {
     el.hass = this.hass;
     el.narrow = this.narrow;
     el.route = route;
-    el.supervisor = this.supervisor;
 
     if (el.localName === "hassio-ingress-view") {
       el.ingressPanel = this.panel.config && this.panel.config.ingress;
+    } else {
+      el.supervisor = this.supervisor;
     }
   }