Improve download backup (#22905)

Co-authored-by: Simon Lamon <32477463+silamon@users.noreply.github.com>

.eslintrc.json

@@ -1,130 +0,0 @@
-{
-  "extends": [
-    "airbnb-base",
-    "airbnb-typescript/base",
-    "plugin:@typescript-eslint/recommended",
-    "plugin:wc/recommended",
-    "plugin:lit/all",
-    "plugin:lit-a11y/recommended",
-    "prettier"
-  ],
-  "parser": "@typescript-eslint/parser",
-  "parserOptions": {
-    "ecmaVersion": 2020,
-    "ecmaFeatures": {
-      "modules": true
-    },
-    "sourceType": "module",
-    "project": "./tsconfig.json"
-  },
-  "settings": {
-    "import/resolver": {
-      "webpack": {
-        "config": "./webpack.config.cjs"
-      }
-    }
-  },
-  "globals": {
-    "__DEV__": false,
-    "__DEMO__": false,
-    "__BUILD__": false,
-    "__VERSION__": false,
-    "__STATIC_PATH__": false,
-    "__SUPERVISOR__": false,
-    "Polymer": true
-  },
-  "env": {
-    "browser": true,
-    "es6": true
-  },
-  "rules": {
-    "class-methods-use-this": "off",
-    "new-cap": "off",
-    "prefer-template": "off",
-    "object-shorthand": "off",
-    "func-names": "off",
-    "no-underscore-dangle": "off",
-    "strict": "off",
-    "no-plusplus": "off",
-    "no-bitwise": "error",
-    "comma-dangle": "off",
-    "vars-on-top": "off",
-    "no-continue": "off",
-    "no-param-reassign": "off",
-    "no-multi-assign": "off",
-    "no-console": "error",
-    "radix": "off",
-    "no-alert": "off",
-    "no-nested-ternary": "off",
-    "prefer-destructuring": "off",
-    "no-restricted-globals": [2, "event"],
-    "prefer-promise-reject-errors": "off",
-    "import/prefer-default-export": "off",
-    "import/no-default-export": "off",
-    "import/no-unresolved": "off",
-    "import/no-cycle": "off",
-    "import/extensions": [
-      "error",
-      "ignorePackages",
-      {
-        "ts": "never",
-        "js": "never"
-      }
-    ],
-    "no-restricted-syntax": ["error", "LabeledStatement", "WithStatement"],
-    "object-curly-newline": "off",
-    "default-case": "off",
-    "wc/no-self-class": "off",
-    "no-shadow": "off",
-    "@typescript-eslint/camelcase": "off",
-    "@typescript-eslint/ban-ts-comment": "off",
-    "@typescript-eslint/no-use-before-define": "off",
-    "@typescript-eslint/no-non-null-assertion": "off",
-    "@typescript-eslint/no-explicit-any": "off",
-    "@typescript-eslint/explicit-function-return-type": "off",
-    "@typescript-eslint/explicit-module-boundary-types": "off",
-    "@typescript-eslint/no-shadow": ["error"],
-    "@typescript-eslint/naming-convention": [
-      "off",
-      {
-        "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"]
-      }
-    ],
-    "@typescript-eslint/no-unused-vars": "off",
-    "unused-imports/no-unused-vars": [
-      "error",
-      {
-        "vars": "all",
-        "varsIgnorePattern": "^_",
-        "args": "after-used",
-        "argsIgnorePattern": "^_",
-        "ignoreRestSiblings": true
-      }
-    ],
-    "unused-imports/no-unused-imports": "error",
-    "lit/attribute-names": "warn",
-    "lit/attribute-value-entities": "off",
-    "lit/no-template-map": "off",
-    "lit/no-native-attributes": "warn",
-    "lit/no-this-assign-in-render": "warn",
-    "lit-a11y/click-events-have-key-events": ["off"],
-    "lit-a11y/no-autofocus": "off",
-    "lit-a11y/alt-text": "warn",
-    "lit-a11y/anchor-is-valid": "warn",
-    "lit-a11y/role-has-required-aria-attrs": "warn"
-  },
-  "plugins": ["unused-imports"]
-}

.github/workflows/cast_deployment.yaml

@@ -21,12 +21,12 @@ jobs:
       url: ${{ steps.deploy.outputs.NETLIFY_LIVE_URL || steps.deploy.outputs.NETLIFY_URL }}
     steps:
       - name: Check out files from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
         with:
           ref: dev
 
       - name: Setup Node
-        uses: actions/setup-node@v4.0.3
+        uses: actions/setup-node@v4.1.0
         with:
           node-version-file: ".nvmrc"
           cache: yarn
@@ -57,12 +57,12 @@ jobs:
       url: ${{ steps.deploy.outputs.NETLIFY_LIVE_URL || steps.deploy.outputs.NETLIFY_URL }}
     steps:
       - name: Check out files from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
         with:
           ref: master
 
       - name: Setup Node
-        uses: actions/setup-node@v4.0.3
+        uses: actions/setup-node@v4.1.0
         with:
           node-version-file: ".nvmrc"
           cache: yarn

.github/workflows/ci.yaml

@@ -24,9 +24,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out files from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
       - name: Setup Node
-        uses: actions/setup-node@v4.0.3
+        uses: actions/setup-node@v4.1.0
         with:
           node-version-file: ".nvmrc"
           cache: yarn
@@ -37,7 +37,7 @@ jobs:
       - name: Build resources
         run: ./node_modules/.bin/gulp gen-icons-json build-translations build-locale-data gather-gallery-pages
       - name: Setup lint cache
-        uses: actions/cache@v4.0.2
+        uses: actions/cache@v4.1.2
         with:
           path: |
             node_modules/.cache/prettier
@@ -58,9 +58,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out files from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
       - name: Setup Node
-        uses: actions/setup-node@v4.0.3
+        uses: actions/setup-node@v4.1.0
         with:
           node-version-file: ".nvmrc"
           cache: yarn
@@ -76,9 +76,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out files from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
       - name: Setup Node
-        uses: actions/setup-node@v4.0.3
+        uses: actions/setup-node@v4.1.0
         with:
           node-version-file: ".nvmrc"
           cache: yarn
@@ -89,7 +89,7 @@ jobs:
         env:
           IS_TEST: "true"
       - name: Upload bundle stats
-        uses: actions/upload-artifact@v4.4.0
+        uses: actions/upload-artifact@v4.4.3
         with:
           name: frontend-bundle-stats
           path: build/stats/*.json
@@ -100,9 +100,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out files from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
       - name: Setup Node
-        uses: actions/setup-node@v4.0.3
+        uses: actions/setup-node@v4.1.0
         with:
           node-version-file: ".nvmrc"
           cache: yarn
@@ -113,7 +113,7 @@ jobs:
         env:
           IS_TEST: "true"
       - name: Upload bundle stats
-        uses: actions/upload-artifact@v4.4.0
+        uses: actions/upload-artifact@v4.4.3
         with:
           name: supervisor-bundle-stats
           path: build/stats/*.json

.github/workflows/codeql-analysis.yml

@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
         with:
           # We must fetch at least the immediate parents so that if this is
           # a pull request then we can checkout the head.

.github/workflows/demo_deployment.yaml

@@ -22,12 +22,12 @@ jobs:
       url: ${{ steps.deploy.outputs.NETLIFY_LIVE_URL || steps.deploy.outputs.NETLIFY_URL }}
     steps:
       - name: Check out files from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
         with:
           ref: dev
 
       - name: Setup Node
-        uses: actions/setup-node@v4.0.3
+        uses: actions/setup-node@v4.1.0
         with:
           node-version-file: ".nvmrc"
           cache: yarn
@@ -58,12 +58,12 @@ jobs:
       url: ${{ steps.deploy.outputs.NETLIFY_LIVE_URL || steps.deploy.outputs.NETLIFY_URL }}
     steps:
       - name: Check out files from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
         with:
           ref: master
 
       - name: Setup Node
-        uses: actions/setup-node@v4.0.3
+        uses: actions/setup-node@v4.1.0
         with:
           node-version-file: ".nvmrc"
           cache: yarn

.github/workflows/design_deployment.yaml

@@ -16,10 +16,10 @@ jobs:
       url: ${{ steps.deploy.outputs.NETLIFY_LIVE_URL || steps.deploy.outputs.NETLIFY_URL }}
     steps:
       - name: Check out files from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
 
       - name: Setup Node
-        uses: actions/setup-node@v4.0.3
+        uses: actions/setup-node@v4.1.0
         with:
           node-version-file: ".nvmrc"
           cache: yarn

.github/workflows/design_preview.yaml

@@ -21,10 +21,10 @@ jobs:
     if: github.repository == 'home-assistant/frontend' && contains(github.event.pull_request.labels.*.name, 'needs design preview')
     steps:
       - name: Check out files from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
 
       - name: Setup Node
-        uses: actions/setup-node@v4.0.3
+        uses: actions/setup-node@v4.1.0
         with:
           node-version-file: ".nvmrc"
           cache: yarn

.github/workflows/nightly.yaml

@@ -20,7 +20,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout the repository
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
 
       - name: Set up Python ${{ env.PYTHON_VERSION }}
         uses: actions/setup-python@v5
@@ -28,7 +28,7 @@ jobs:
           python-version: ${{ env.PYTHON_VERSION }}
 
       - name: Setup Node
-        uses: actions/setup-node@v4.0.3
+        uses: actions/setup-node@v4.1.0
         with:
           node-version-file: ".nvmrc"
           cache: yarn
@@ -57,14 +57,14 @@ jobs:
         run: tar -czvf translations.tar.gz translations
 
       - name: Upload build artifacts
-        uses: actions/upload-artifact@v4.4.0
+        uses: actions/upload-artifact@v4.4.3
         with:
           name: wheels
           path: dist/home_assistant_frontend*.whl
           if-no-files-found: error
 
       - name: Upload translations
-        uses: actions/upload-artifact@v4.4.0
+        uses: actions/upload-artifact@v4.4.3
         with:
           name: translations
           path: translations.tar.gz

.github/workflows/relative-ci.yaml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Send bundle stats and build information to RelativeCI
-        uses: relative-ci/agent-action@v2.1.12
+        uses: relative-ci/agent-action@v2.1.13
         with:
           key: ${{ secrets[format('RELATIVE_CI_KEY_{0}_{1}', matrix.bundle, matrix.build)] }}
           token: ${{ github.token }}

.github/workflows/release.yaml

@@ -23,7 +23,7 @@ jobs:
       contents: write # Required to upload release assets
     steps:
       - name: Checkout the repository
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
 
       - name: Verify version
         uses: home-assistant/actions/helpers/verify-version@master
@@ -34,7 +34,7 @@ jobs:
           python-version: ${{ env.PYTHON_VERSION }}
 
       - name: Setup Node
-        uses: actions/setup-node@v4.0.3
+        uses: actions/setup-node@v4.1.0
         with:
           node-version-file: ".nvmrc"
           cache: yarn
@@ -55,7 +55,7 @@ jobs:
           script/release
 
       - name: Upload release assets
-        uses: softprops/action-gh-release@v2.0.8
+        uses: softprops/action-gh-release@v2.1.0
         with:
           files: |
             dist/*.whl
@@ -74,7 +74,7 @@ jobs:
           echo "home-assistant-frontend==$version" > ./requirements.txt
 
       - name: Build wheels
-        uses: home-assistant/wheels@2024.07.1
+        uses: home-assistant/wheels@2024.11.0
         with:
           abi: cp312
           tag: musllinux_1_2

.github/workflows/translations.yaml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout the repository
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
 
       - name: Upload Translations
         run: |

.yarnrc.yml

@@ -6,4 +6,4 @@ enableGlobalCache: false
 
 nodeLinker: node-modules
 
-yarnPath: .yarn/releases/yarn-4.4.1.cjs
+yarnPath: .yarn/releases/yarn-4.5.1.cjs

README.md

@@ -27,3 +27,5 @@ A complete guide can be found at the following [link](https://www.home-assistant
 Home Assistant is open-source and Apache 2 licensed. Feel free to browse the repository, learn and reuse parts in your own projects.
 
 We use [BrowserStack](https://www.browserstack.com) to test Home Assistant on a large variety of devices.
+
+[![Home Assistant - A project from the Open Home Foundation](https://www.openhomefoundation.org/badges/home-assistant.png)](https://www.openhomefoundation.org/)

build-scripts/.eslintrc.json

@@ -1,12 +0,0 @@
-{
-  "extends": "../.eslintrc.json",
-  "rules": {
-    "no-console": "off",
-    "import/no-extraneous-dependencies": "off",
-    "import/extensions": "off",
-    "import/no-dynamic-require": "off",
-    "global-require": "off",
-    "@typescript-eslint/no-var-requires": "off",
-    "prefer-arrow-callback": "off"
-  }
-}

build-scripts/README.md

@@ -15,7 +15,7 @@ The Home Assistant build pipeline contains various steps to prepare a build.
 
 Currently in Home Assistant we use a bundler to convert TypeScript, CSS and JSON files to JavaScript files that the browser understands.
 
-We currently rely on Webpack but also have experimental Rollup support. Both of these programs bundle the converted files in both production and development.
+We currently rely on Webpack. Both of these programs bundle the converted files in both production and development.
 
 For development, bundling is optional. We just want to get the right files in the browser.
 

build-scripts/bundle.cjs

@@ -226,13 +226,12 @@ module.exports.config = {
     return {
       name: "frontend" + nameSuffix(latestBuild),
       entry: {
-        "service-worker":
-          !env.useRollup() && !latestBuild
-            ? {
-                import: "./src/entrypoints/service-worker.ts",
-                layer: "sw",
-              }
-            : "./src/entrypoints/service-worker.ts",
+        "service-worker": !latestBuild
+          ? {
+              import: "./src/entrypoints/service-worker.ts",
+              layer: "sw",
+            }
+          : "./src/entrypoints/service-worker.ts",
         app: "./src/entrypoints/app.ts",
         authorize: "./src/entrypoints/authorize.ts",
         onboarding: "./src/entrypoints/onboarding.ts",

build-scripts/env.cjs

@@ -3,9 +3,6 @@ const path = require("path");
 const paths = require("./paths.cjs");
 
 module.exports = {
-  useRollup() {
-    return process.env.ROLLUP === "1";
-  },
   useWDS() {
     return process.env.WDS === "1";
   },

build-scripts/eslint.config.mjs

@@ -0,0 +1,16 @@
+import rootConfig from "../eslint.config.mjs";
+
+export default [
+  ...rootConfig,
+  {
+    rules: {
+      "no-console": "off",
+      "import/no-extraneous-dependencies": "off",
+      "import/extensions": "off",
+      "import/no-dynamic-require": "off",
+      "global-require": "off",
+      "@typescript-eslint/no-var-requires": "off",
+      "prefer-arrow-callback": "off",
+    },
+  },
+];

build-scripts/gulp/app.js

@@ -6,7 +6,6 @@ import "./entry-html.js";
 import "./gather-static.js";
 import "./gen-icons-json.js";
 import "./locale-data.js";
-import "./rollup.js";
 import "./service-worker.js";
 import "./translations.js";
 import "./wds.js";
@@ -27,11 +26,7 @@ gulp.task(
       "build-locale-data"
     ),
     "copy-static-app",
-    env.useWDS()
-      ? "wds-watch-app"
-      : env.useRollup()
-        ? "rollup-watch-app"
-        : "webpack-watch-app"
+    env.useWDS() ? "wds-watch-app" : "webpack-watch-app"
   )
 );
 
@@ -44,7 +39,7 @@ gulp.task(
     "clean",
     gulp.parallel("gen-icons-json", "build-translations", "build-locale-data"),
     "copy-static-app",
-    env.useRollup() ? "rollup-prod-app" : "webpack-prod-app",
+    "webpack-prod-app",
     gulp.parallel("gen-pages-app-prod", "gen-service-worker-app-prod"),
     // Don't compress running tests
     ...(env.isTestBuild() ? [] : ["compress-app"])

build-scripts/gulp/cast.js

@@ -1,9 +1,7 @@
 import gulp from "gulp";
-import env from "../env.cjs";
 import "./clean.js";
 import "./entry-html.js";
 import "./gather-static.js";
-import "./rollup.js";
 import "./service-worker.js";
 import "./translations.js";
 import "./webpack.js";
@@ -19,7 +17,7 @@ gulp.task(
     gulp.parallel("gen-icons-json", "build-translations", "build-locale-data"),
     "copy-static-cast",
     "gen-pages-cast-dev",
-    env.useRollup() ? "rollup-dev-server-cast" : "webpack-dev-server-cast"
+    "webpack-dev-server-cast"
   )
 );
 
@@ -33,7 +31,7 @@ gulp.task(
     "translations-enable-merge-backend",
     gulp.parallel("gen-icons-json", "build-translations", "build-locale-data"),
     "copy-static-cast",
-    env.useRollup() ? "rollup-prod-cast" : "webpack-prod-cast",
+    "webpack-prod-cast",
     "gen-pages-cast-prod"
   )
 );

build-scripts/gulp/demo.js

@@ -1,10 +1,8 @@
 import gulp from "gulp";
-import env from "../env.cjs";
 import "./clean.js";
 import "./entry-html.js";
 import "./gather-static.js";
 import "./gen-icons-json.js";
-import "./rollup.js";
 import "./service-worker.js";
 import "./translations.js";
 import "./webpack.js";
@@ -24,7 +22,7 @@ gulp.task(
       "build-locale-data"
     ),
     "copy-static-demo",
-    env.useRollup() ? "rollup-dev-server-demo" : "webpack-dev-server-demo"
+    "webpack-dev-server-demo"
   )
 );
 
@@ -39,7 +37,7 @@ gulp.task(
     "translations-enable-merge-backend",
     gulp.parallel("gen-icons-json", "build-translations", "build-locale-data"),
     "copy-static-demo",
-    env.useRollup() ? "rollup-prod-demo" : "webpack-prod-demo",
+    "webpack-prod-demo",
     "gen-pages-demo-prod"
   )
 );

build-scripts/gulp/download-translations.js

@@ -13,7 +13,7 @@ const srcMeta = "src/translations/translationMetadata.json";
 const encoding = "utf8";
 
 function hasHtml(data) {
-  return /<[a-z][\s\S]*>/i.test(data);
+  return /<\S*>/i.test(data);
 }
 
 function recursiveCheckHasHtml(file, data, errors, recKey) {
@@ -127,6 +127,7 @@ gulp.task("fetch-lokalise", async function () {
           replace_breaks: false,
           json_unescaped_slashes: true,
           export_empty_as: "skip",
+          filter_data: ["verified"],
         })
         .then((download) => fetch(download.bundle_url))
         .then((response) => {

build-scripts/gulp/entry-html.js

@@ -56,7 +56,6 @@ const getCommonTemplateVars = () => {
     { ignorePatch: true, allowHigherVersions: true }
   );
   return {
-    useRollup: env.useRollup(),
     useWDS: env.useWDS(),
     modernRegex: compileRegex(browserRegexes.concat(haMacOSRegex)).toString(),
   };

build-scripts/gulp/gallery.js

@@ -4,13 +4,11 @@ import gulp from "gulp";
 import yaml from "js-yaml";
 import { marked } from "marked";
 import path from "path";
-import env from "../env.cjs";
 import paths from "../paths.cjs";
 import "./clean.js";
 import "./entry-html.js";
 import "./gather-static.js";
 import "./gen-icons-json.js";
-import "./rollup.js";
 import "./service-worker.js";
 import "./translations.js";
 import "./webpack.js";
@@ -158,9 +156,7 @@ gulp.task(
     "copy-static-gallery",
     "gen-pages-gallery-dev",
     gulp.parallel(
-      env.useRollup()
-        ? "rollup-dev-server-gallery"
-        : "webpack-dev-server-gallery",
+      "webpack-dev-server-gallery",
       async function watchMarkdownFiles() {
         gulp.watch(
           [
@@ -189,7 +185,7 @@ gulp.task(
       "gather-gallery-pages"
     ),
     "copy-static-gallery",
-    env.useRollup() ? "rollup-prod-gallery" : "webpack-prod-gallery",
+    "webpack-prod-gallery",
     "gen-pages-gallery-prod"
   )
 );

build-scripts/gulp/gather-static.js

@@ -4,7 +4,6 @@ import fs from "fs-extra";
 import gulp from "gulp";
 import path from "path";
 import paths from "../paths.cjs";
-import env from "../env.cjs";
 
 const npmPath = (...parts) =>
   path.resolve(paths.polymer_dir, "node_modules", ...parts);
@@ -60,12 +59,15 @@ function copyPolyfills(staticDir) {
     npmPath("@webcomponents/webcomponentsjs/webcomponents-bundle.js.map"),
     staticPath("polyfills/")
   );
+
+  // dialog-polyfill css
+  copyFileDir(
+    npmPath("dialog-polyfill/dialog-polyfill.css"),
+    staticPath("polyfills/")
+  );
 }
 
 function copyLoaderJS(staticDir) {
-  if (!env.useRollup()) {
-    return;
-  }
   const staticPath = genStaticPath(staticDir);
   copyFileDir(npmPath("systemjs/dist/s.min.js"), staticPath("js"));
   copyFileDir(npmPath("systemjs/dist/s.min.js.map"), staticPath("js"));
@@ -100,6 +102,14 @@ function copyMapPanel(staticDir) {
   );
 }
 
+function copyZXingWasm(staticDir) {
+  const staticPath = genStaticPath(staticDir);
+  copyFileDir(
+    npmPath("zxing-wasm/dist/reader/zxing_reader.wasm"),
+    staticPath("js")
+  );
+}
+
 gulp.task("copy-locale-data", async () => {
   const staticDir = paths.app_output_static;
   copyLocaleData(staticDir);
@@ -137,6 +147,7 @@ gulp.task("copy-static-app", async () => {
   copyMapPanel(staticDir);
 
   // Qr Scanner assets
+  copyZXingWasm(staticDir);
   copyQrScannerWorker(staticDir);
 });
 

build-scripts/gulp/hassio.js

@@ -5,7 +5,6 @@ import "./compress.js";
 import "./entry-html.js";
 import "./gather-static.js";
 import "./gen-icons-json.js";
-import "./rollup.js";
 import "./translations.js";
 import "./webpack.js";
 
@@ -22,7 +21,7 @@ gulp.task(
     "copy-translations-supervisor",
     "build-locale-data",
     "copy-static-supervisor",
-    env.useRollup() ? "rollup-watch-hassio" : "webpack-watch-hassio"
+    "webpack-watch-hassio"
   )
 );
 
@@ -38,7 +37,7 @@ gulp.task(
     "copy-translations-supervisor",
     "build-locale-data",
     "copy-static-supervisor",
-    env.useRollup() ? "rollup-prod-hassio" : "webpack-prod-hassio",
+    "webpack-prod-hassio",
     "gen-pages-hassio-prod",
     ...// Don't compress running tests
     (env.isTestBuild() ? [] : ["compress-hassio"])

build-scripts/gulp/locale-data.js

@@ -24,8 +24,11 @@ const convertToJSON = async (
 ) => {
   let localeData;
   try {
+    // use "pt" for "pt-BR", because "pt-BR" is unsupported by @formatjs
+    const language = lang === "pt-BR" ? "pt" : lang;
+
     localeData = await readFile(
-      join(formatjsDir, pkg, subDir, `${lang}.js`),
+      join(formatjsDir, pkg, subDir, `${language}.js`),
       "utf-8"
     );
   } catch (e) {

build-scripts/gulp/rollup.js

@@ -1,147 +0,0 @@
-// Tasks to run Rollup
-
-import log from "fancy-log";
-import gulp from "gulp";
-import http from "http";
-import open from "open";
-import path from "path";
-import { rollup } from "rollup";
-import handler from "serve-handler";
-import paths from "../paths.cjs";
-import rollupConfig from "../rollup.cjs";
-
-const bothBuilds = (createConfigFunc, params) =>
-  gulp.series(
-    async function buildLatest() {
-      await buildRollup(
-        createConfigFunc({
-          ...params,
-          latestBuild: true,
-        })
-      );
-    },
-    async function buildES5() {
-      await buildRollup(
-        createConfigFunc({
-          ...params,
-          latestBuild: false,
-        })
-      );
-    }
-  );
-
-function createServer(serveOptions) {
-  const server = http.createServer((request, response) =>
-    handler(request, response, {
-      public: serveOptions.root,
-    })
-  );
-
-  server.listen(
-    serveOptions.port,
-    serveOptions.networkAccess ? "0.0.0.0" : undefined,
-    () => {
-      log.info(`Available at http://localhost:${serveOptions.port}`);
-      open(`http://localhost:${serveOptions.port}`);
-    }
-  );
-}
-
-function watchRollup(createConfig, extraWatchSrc = [], serveOptions = null) {
-  const { inputOptions, outputOptions } = createConfig({
-    isProdBuild: false,
-    latestBuild: true,
-  });
-
-  const watcher = rollup.watch({
-    ...inputOptions,
-    output: [outputOptions],
-    watch: {
-      include: ["src/**"] + extraWatchSrc,
-    },
-  });
-
-  let startedHttp = false;
-
-  watcher.on("event", (event) => {
-    if (event.code === "BUNDLE_END") {
-      log(`Build done @ ${new Date().toLocaleTimeString()}`);
-    } else if (event.code === "ERROR") {
-      log.error(event.error);
-    } else if (event.code === "END") {
-      if (startedHttp || !serveOptions) {
-        return;
-      }
-      startedHttp = true;
-      createServer(serveOptions);
-    }
-  });
-
-  gulp.watch(
-    path.join(paths.translations_src, "en.json"),
-    gulp.series("build-translations", "copy-translations-app")
-  );
-}
-
-async function buildRollup(config) {
-  const bundle = await rollup.rollup(config.inputOptions);
-  await bundle.write(config.outputOptions);
-}
-
-gulp.task("rollup-watch-app", () => {
-  watchRollup(rollupConfig.createAppConfig);
-});
-
-gulp.task("rollup-watch-hassio", () => {
-  watchRollup(rollupConfig.createHassioConfig, ["hassio/src/**"]);
-});
-
-gulp.task("rollup-dev-server-demo", () => {
-  watchRollup(rollupConfig.createDemoConfig, ["demo/src/**"], {
-    root: paths.demo_output_root,
-    port: 8090,
-  });
-});
-
-gulp.task("rollup-dev-server-cast", () => {
-  watchRollup(rollupConfig.createCastConfig, ["cast/src/**"], {
-    root: paths.cast_output_root,
-    port: 8080,
-    networkAccess: true,
-  });
-});
-
-gulp.task("rollup-dev-server-gallery", () => {
-  watchRollup(rollupConfig.createGalleryConfig, ["gallery/src/**"], {
-    root: paths.gallery_output_root,
-    port: 8100,
-  });
-});
-
-gulp.task(
-  "rollup-prod-app",
-  bothBuilds(rollupConfig.createAppConfig, { isProdBuild: true })
-);
-
-gulp.task(
-  "rollup-prod-demo",
-  bothBuilds(rollupConfig.createDemoConfig, { isProdBuild: true })
-);
-
-gulp.task(
-  "rollup-prod-cast",
-  bothBuilds(rollupConfig.createCastConfig, { isProdBuild: true })
-);
-
-gulp.task("rollup-prod-hassio", () =>
-  bothBuilds(rollupConfig.createHassioConfig, { isProdBuild: true })
-);
-
-gulp.task("rollup-prod-gallery", () =>
-  buildRollup(
-    rollupConfig.createGalleryConfig({
-      isProdBuild: true,
-      latestBuild: true,
-    })
-  )
-);

build-scripts/rollup-plugins/dont-hash-plugin.cjs

@@ -1,14 +0,0 @@
-module.exports = function (opts = {}) {
-  const dontHash = opts.dontHash || new Set();
-
-  return {
-    name: "dont-hash",
-    renderChunk(_code, chunk, _options) {
-      if (!chunk.isEntry || !dontHash.has(chunk.name)) {
-        return null;
-      }
-      chunk.fileName = `${chunk.name}.js`;
-      return null;
-    },
-  };
-};

build-scripts/rollup-plugins/ignore-plugin.cjs

@@ -1,24 +0,0 @@
-module.exports = function (userOptions = {}) {
-  // Files need to be absolute paths.
-  // This only works if the file has no exports
-  // and only is imported for its side effects
-  const files = userOptions.files || [];
-
-  if (files.length === 0) {
-    return {
-      name: "ignore",
-    };
-  }
-
-  return {
-    name: "ignore",
-
-    load(id) {
-      return files.some((toIgnorePath) => id.startsWith(toIgnorePath))
-        ? {
-            code: "",
-          }
-        : null;
-    },
-  };
-};

build-scripts/rollup-plugins/manifest-plugin.cjs

@@ -1,34 +0,0 @@
-const url = require("url");
-
-const defaultOptions = {
-  publicPath: "",
-};
-
-module.exports = function (userOptions = {}) {
-  const options = { ...defaultOptions, ...userOptions };
-
-  return {
-    name: "manifest",
-    generateBundle(outputOptions, bundle) {
-      const manifest = {};
-
-      for (const chunk of Object.values(bundle)) {
-        if (!chunk.isEntry) {
-          continue;
-        }
-        // Add js extension to mimic Webpack manifest.
-        manifest[`${chunk.name}.js`] = url.resolve(
-          options.publicPath,
-          chunk.fileName
-        );
-      }
-
-      this.emitFile({
-        type: "asset",
-        source: JSON.stringify(manifest, undefined, 2),
-        name: "manifest.json",
-        fileName: "manifest.json",
-      });
-    },
-  };
-};

build-scripts/rollup-plugins/worker-plugin.cjs

@@ -1,152 +0,0 @@
-// Worker plugin
-// Each worker will include all of its dependencies
-// instead of relying on an importer.
-
-// Forked from v.1.4.1
-// https://github.com/surma/rollup-plugin-off-main-thread
-/**
- * Copyright 2018 Google Inc. All Rights Reserved.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *     http://www.apache.org/licenses/LICENSE-2.0
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-const rollup = require("rollup");
-const path = require("path");
-const MagicString = require("magic-string");
-
-const defaultOpts = {
-  // A RegExp to find `new Workers()` calls. The second capture group _must_
-  // capture the provided file name without the quotes.
-  workerRegexp: /new Worker\((["'])(.+?)\1(,[^)]+)?\)/g,
-  plugins: ["node-resolve", "commonjs", "babel", "terser", "ignore"],
-};
-
-async function getBundledWorker(workerPath, rollupOptions) {
-  const bundle = await rollup.rollup({
-    ...rollupOptions,
-    input: {
-      worker: workerPath,
-    },
-  });
-  const { output } = await bundle.generate({
-    // Generates cleanest output, we shouldn't have any imports/exports
-    // that would be incompatible with ES5.
-    format: "es",
-    // We should not export anything. This will fail build if we are.
-    exports: "none",
-  });
-
-  let code;
-
-  for (const chunkOrAsset of output) {
-    if (chunkOrAsset.name === "worker") {
-      code = chunkOrAsset.code;
-    } else if (chunkOrAsset.type !== "asset") {
-      throw new Error("Unexpected extra output");
-    }
-  }
-
-  return code;
-}
-
-module.exports = function (opts = {}) {
-  opts = { ...defaultOpts, ...opts };
-
-  let rollupOptions;
-  let refIds;
-
-  return {
-    name: "hass-worker",
-
-    async buildStart(options) {
-      refIds = {};
-      rollupOptions = {
-        plugins: options.plugins.filter((plugin) =>
-          opts.plugins.includes(plugin.name)
-        ),
-      };
-    },
-
-    async transform(code, id) {
-      // Copy the regexp as they are stateful and this hook is async.
-      const workerRegexp = new RegExp(
-        opts.workerRegexp.source,
-        opts.workerRegexp.flags
-      );
-      if (!workerRegexp.test(code)) {
-        return undefined;
-      }
-
-      const ms = new MagicString(code);
-      // Reset the regexp
-      workerRegexp.lastIndex = 0;
-      for (;;) {
-        const match = workerRegexp.exec(code);
-        if (!match) {
-          break;
-        }
-
-        const workerFile = match[2];
-        let optionsObject = {};
-        // Parse the optional options object
-        if (match[3] && match[3].length > 0) {
-          // FIXME: ooooof!
-          // eslint-disable-next-line @typescript-eslint/no-implied-eval
-          optionsObject = new Function(`return ${match[3].slice(1)};`)();
-        }
-        delete optionsObject.type;
-
-        if (!/^.*\//.test(workerFile)) {
-          this.warn(
-            `Paths passed to the Worker constructor must be relative or absolute, i.e. start with /, ./ or ../ (just like dynamic import!). Ignoring "${workerFile}".`
-          );
-          continue;
-        }
-
-        // Find worker file and store it as a chunk with ID prefixed for our loader
-        // eslint-disable-next-line no-await-in-loop
-        const resolvedWorkerFile = (await this.resolve(workerFile, id)).id;
-        let chunkRefId;
-        if (resolvedWorkerFile in refIds) {
-          chunkRefId = refIds[resolvedWorkerFile];
-        } else {
-          this.addWatchFile(resolvedWorkerFile);
-          // eslint-disable-next-line no-await-in-loop
-          const source = await getBundledWorker(
-            resolvedWorkerFile,
-            rollupOptions
-          );
-          chunkRefId = refIds[resolvedWorkerFile] = this.emitFile({
-            name: path.basename(resolvedWorkerFile),
-            source,
-            type: "asset",
-          });
-        }
-
-        const workerParametersStartIndex = match.index + "new Worker(".length;
-        const workerParametersEndIndex =
-          match.index + match[0].length - ")".length;
-
-        ms.overwrite(
-          workerParametersStartIndex,
-          workerParametersEndIndex,
-          `import.meta.ROLLUP_FILE_URL_${chunkRefId}, ${JSON.stringify(
-            optionsObject
-          )}`
-        );
-      }
-
-      return {
-        code: ms.toString(),
-        map: ms.generateMap({ hires: true }),
-      };
-    },
-  };
-};

build-scripts/rollup.cjs

@@ -1,146 +0,0 @@
-const path = require("path");
-
-const commonjs = require("@rollup/plugin-commonjs");
-const resolve = require("@rollup/plugin-node-resolve");
-const json = require("@rollup/plugin-json");
-const { babel } = require("@rollup/plugin-babel");
-const replace = require("@rollup/plugin-replace");
-const visualizer = require("rollup-plugin-visualizer");
-const { string } = require("rollup-plugin-string");
-const { terser } = require("rollup-plugin-terser");
-const manifest = require("./rollup-plugins/manifest-plugin.cjs");
-const worker = require("./rollup-plugins/worker-plugin.cjs");
-const dontHashPlugin = require("./rollup-plugins/dont-hash-plugin.cjs");
-const ignore = require("./rollup-plugins/ignore-plugin.cjs");
-
-const bundle = require("./bundle.cjs");
-const paths = require("./paths.cjs");
-
-const extensions = [".js", ".ts"];
-
-/**
- * @param {Object} arg
- * @param { import("rollup").InputOption } arg.input
- */
-const createRollupConfig = ({
-  entry,
-  outputPath,
-  defineOverlay,
-  isProdBuild,
-  latestBuild,
-  isStatsBuild,
-  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/configuration-options/#preserveentrysignatures
-    preserveEntrySignatures: false,
-    plugins: [
-      ignore({
-        files: bundle
-          .emptyPackages({ latestBuild })
-          // TEMP HACK: Makes Rollup build work again
-          .concat(
-            require.resolve(
-              "@webcomponents/scoped-custom-element-registry/scoped-custom-element-registry.min"
-            )
-          ),
-      }),
-      resolve({
-        extensions,
-        preferBuiltins: false,
-        browser: true,
-        rootDir: paths.polymer_dir,
-      }),
-      commonjs(),
-      json(),
-      babel({
-        ...bundle.babelOptions({ latestBuild, isProdBuild }),
-        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,
-        }),
-      !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/configuration-options/#output-dir
-    dir: outputPath,
-    // https://rollupjs.org/configuration-options/#output-format
-    format: latestBuild ? "es" : "systemjs",
-    // https://rollupjs.org/configuration-options/#output-externallivebindings
-    externalLiveBindings: false,
-    // https://rollupjs.org/configuration-options/#output-entryfilenames
-    // https://rollupjs.org/configuration-options/#output-chunkfilenames
-    // https://rollupjs.org/configuration-options/#output-assetfilenames
-    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/configuration-options/#output-sourcemap
-    sourcemap: isProdBuild ? true : "inline",
-  },
-});
-
-const createAppConfig = ({ isProdBuild, latestBuild, isStatsBuild, isWDS }) =>
-  createRollupConfig(
-    bundle.config.app({
-      isProdBuild,
-      latestBuild,
-      isStatsBuild,
-      isWDS,
-    })
-  );
-
-const createDemoConfig = ({ isProdBuild, latestBuild, isStatsBuild }) =>
-  createRollupConfig(
-    bundle.config.demo({
-      isProdBuild,
-      latestBuild,
-      isStatsBuild,
-    })
-  );
-
-const createCastConfig = ({ isProdBuild, latestBuild }) =>
-  createRollupConfig(bundle.config.cast({ isProdBuild, latestBuild }));
-
-const createHassioConfig = ({ isProdBuild, latestBuild }) =>
-  createRollupConfig(bundle.config.hassio({ isProdBuild, latestBuild }));
-
-const createGalleryConfig = ({ isProdBuild, latestBuild }) =>
-  createRollupConfig(bundle.config.gallery({ isProdBuild, latestBuild }));
-
-module.exports = {
-  createAppConfig,
-  createDemoConfig,
-  createCastConfig,
-  createHassioConfig,
-  createGalleryConfig,
-  createRollupConfig,
-};

build-scripts/webpack.cjs

@@ -188,6 +188,7 @@ const createWebpackConfig = ({
         "lit/directives/cache$": "lit/directives/cache.js",
         "lit/directives/repeat$": "lit/directives/repeat.js",
         "lit/directives/live$": "lit/directives/live.js",
+        "lit/directives/keyed$": "lit/directives/keyed.js",
         "lit/polyfill-support$": "lit/polyfill-support.js",
         "@lit-labs/virtualizer/layouts/grid":
           "@lit-labs/virtualizer/layouts/grid.js",

cast/rollup.config.js

@@ -1,10 +0,0 @@
-import rollup from "../build-scripts/rollup.cjs";
-import env from "../build-scripts/env.cjs";
-
-const config = rollup.createCastConfig({
-  isProdBuild: env.isProdBuild(),
-  latestBuild: true,
-  isStatsBuild: env.isStatsBuild(),
-});
-
-export default { ...config.inputOptions, output: config.outputOptions };

cast/src/html/faq.html.template

@@ -139,7 +139,7 @@
         </p>
       </div>
 
-      <div class="section-header">Wat does Home Assistant Cast do?</div>
+      <div class="section-header">What does Home Assistant Cast do?</div>
       <div class="card-content">
         <p>
           Home Assistant Cast is a receiver application for the Chromecast. When

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

@@ -1,10 +1,12 @@
 import "@material/mwc-button/mwc-button";
-import { ActionDetail } from "@material/mwc-list/mwc-list";
+import "@material/mwc-list/mwc-list";
+import type { ActionDetail } from "@material/mwc-list/mwc-list";
 import { mdiCast, mdiCastConnected, mdiViewDashboard } from "@mdi/js";
-import { Auth, Connection } from "home-assistant-js-websocket";
-import { CSSResultGroup, LitElement, TemplateResult, css, html } from "lit";
+import type { Auth, Connection } from "home-assistant-js-websocket";
+import type { CSSResultGroup, TemplateResult } from "lit";
+import { LitElement, css, html } from "lit";
 import { customElement, property, state } from "lit/decorators";
-import { CastManager } from "../../../../src/cast/cast_manager";
+import type { CastManager } from "../../../../src/cast/cast_manager";
 import {
   castSendShowLovelaceView,
   ensureConnectedCastSession,
@@ -23,7 +25,7 @@ import {
   getLovelaceCollection,
 } from "../../../../src/data/lovelace";
 import { isStrategyDashboard } from "../../../../src/data/lovelace/config/types";
-import { LovelaceViewConfig } from "../../../../src/data/lovelace/config/view";
+import type { LovelaceViewConfig } from "../../../../src/data/lovelace/config/view";
 import "../../../../src/layouts/hass-loading-screen";
 import { generateDefaultViewConfig } from "../../../../src/panels/lovelace/common/generate-lovelace-config";
 import "./hc-layout";
@@ -89,8 +91,8 @@ class HcCast extends LitElement {
                       generateDefaultViewConfig({}, {}, {}, {}, () => ""),
                     ]
                   ).map(
-                    (view, idx) =>
-                      html`<ha-list-item
+                    (view, idx) => html`
+                      <ha-list-item
                         graphic="avatar"
                         .activated=${this.castManager.status?.lovelacePath ===
                         (view.path ?? idx)}
@@ -108,8 +110,9 @@ class HcCast extends LitElement {
                           : html`<ha-svg-icon
                               slot="item-icon"
                               .path=${mdiViewDashboard}
-                            ></ha-svg-icon>`}</ha-list-item
-                      > `
+                            ></ha-svg-icon>`}
+                      </ha-list-item>
+                    `
                   )}</mwc-list
                 >
               `}

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

@@ -1,19 +1,23 @@
 import "@material/mwc-button";
 import { mdiCastConnected, mdiCast } from "@mdi/js";
-import {
+import type {
   Auth,
   Connection,
+  getAuthOptions,
+} from "home-assistant-js-websocket";
+import {
   createConnection,
   ERR_CANNOT_CONNECT,
   ERR_HASS_HOST_REQUIRED,
   ERR_INVALID_AUTH,
   ERR_INVALID_HTTPS_TO_HTTP,
   getAuth,
-  getAuthOptions,
 } from "home-assistant-js-websocket";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
+import type { CSSResultGroup, TemplateResult } from "lit";
+import { css, html, LitElement } from "lit";
 import { customElement, state } from "lit/decorators";
-import { CastManager, getCastManager } from "../../../../src/cast/cast_manager";
+import type { CastManager } from "../../../../src/cast/cast_manager";
+import { getCastManager } from "../../../../src/cast/cast_manager";
 import { castSendShowDemo } from "../../../../src/cast/receiver_messages";
 import {
   loadTokens,

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

@@ -1,10 +1,7 @@
-import {
-  Auth,
-  Connection,
-  getUser,
-  HassUser,
-} from "home-assistant-js-websocket";
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
+import type { Auth, Connection, HassUser } from "home-assistant-js-websocket";
+import { getUser } from "home-assistant-js-websocket";
+import type { CSSResultGroup, TemplateResult } from "lit";
+import { css, html, LitElement } from "lit";
 import { customElement, property } from "lit/decorators";
 import "../../../../src/components/ha-card";
 
@@ -88,7 +85,7 @@ class HcLayout extends LitElement {
       }
 
       .card-header {
-        color: var(--ha-card-header-color, --primary-text-color);
+        color: var(--ha-card-header-color, var(--primary-text-color));
         font-family: var(--ha-card-header-font-family, inherit);
         font-size: var(--ha-card-header-font-size, 24px);
         letter-spacing: -0.012em;

cast/src/receiver/demo/cast-demo-entities.ts

@@ -1,4 +1,5 @@
-import { convertEntities, Entity } from "../../../../src/fake_data/entity";
+import type { Entity } from "../../../../src/fake_data/entity";
+import { convertEntities } from "../../../../src/fake_data/entity";
 
 export const castDemoEntities: () => Entity[] = () =>
   convertEntities({

cast/src/receiver/demo/cast-demo-lovelace.ts

@@ -1,5 +1,5 @@
-import { LovelaceCardConfig } from "../../../../src/data/lovelace/config/card";
-import { LovelaceConfig } from "../../../../src/data/lovelace/config/types";
+import type { LovelaceCardConfig } from "../../../../src/data/lovelace/config/card";
+import type { LovelaceConfig } from "../../../../src/data/lovelace/config/types";
 import { castContext } from "../cast_context";
 
 export const castDemoLovelace: () => LovelaceConfig = () => {

cast/src/receiver/entrypoint.ts

@@ -1,10 +1,10 @@
 import { framework } from "./cast_framework";
 import { CAST_NS } from "../../../src/cast/const";
-import { HassMessage } from "../../../src/cast/receiver_messages";
+import type { HassMessage } from "../../../src/cast/receiver_messages";
 import "../../../src/resources/custom-card-support";
 import { castContext } from "./cast_context";
 import { HcMain } from "./layout/hc-main";
-import { ReceivedMessage } from "./types";
+import type { ReceivedMessage } from "./types";
 
 const lovelaceController = new HcMain();
 document.body.append(lovelaceController);

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

@@ -1,13 +1,11 @@
 import { html, nothing } from "lit";
 import { customElement, property, state } from "lit/decorators";
 import { mockHistory } from "../../../../demo/src/stubs/history";
-import { LovelaceConfig } from "../../../../src/data/lovelace/config/types";
-import {
-  MockHomeAssistant,
-  provideHass,
-} from "../../../../src/fake_data/provide_hass";
+import type { LovelaceConfig } from "../../../../src/data/lovelace/config/types";
+import type { MockHomeAssistant } from "../../../../src/fake_data/provide_hass";
+import { provideHass } from "../../../../src/fake_data/provide_hass";
 import { HassElement } from "../../../../src/state/hass-element";
-import { HomeAssistant } from "../../../../src/types";
+import type { HomeAssistant } from "../../../../src/types";
 import { castDemoEntities } from "../demo/cast-demo-entities";
 import { castDemoLovelace } from "../demo/cast-demo-lovelace";
 import "./hc-lovelace";

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

@@ -1,6 +1,7 @@
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
+import type { CSSResultGroup, TemplateResult } from "lit";
+import { css, html, LitElement } from "lit";
 import { customElement, property } from "lit/decorators";
-import { HomeAssistant } from "../../../../src/types";
+import type { HomeAssistant } from "../../../../src/types";
 
 @customElement("hc-launch-screen")
 class HcLaunchScreen extends LitElement {

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

@@ -1,11 +1,18 @@
-import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
-import { customElement, property, query } from "lit/decorators";
+import {
+  css,
+  type CSSResultGroup,
+  html,
+  LitElement,
+  type TemplateResult,
+} from "lit";
+import { customElement, property } from "lit/decorators";
 import { fireEvent } from "../../../../src/common/dom/fire_event";
-import { LovelaceConfig } from "../../../../src/data/lovelace/config/types";
+import type { LovelaceConfig } from "../../../../src/data/lovelace/config/types";
 import { getPanelTitleFromUrlPath } from "../../../../src/data/panel";
-import { Lovelace } from "../../../../src/panels/lovelace/types";
+import type { Lovelace } from "../../../../src/panels/lovelace/types";
 import "../../../../src/panels/lovelace/views/hui-view";
-import { HomeAssistant } from "../../../../src/types";
+import "../../../../src/panels/lovelace/views/hui-view-container";
+import type { HomeAssistant } from "../../../../src/types";
 import "./hc-launch-screen";
 
 (window as any).loadCardHelpers = () =>
@@ -22,8 +29,6 @@ class HcLovelace extends LitElement {
 
   @property() public urlPath: string | null = null;
 
-  @query("hui-view") private _huiView?: HTMLElement;
-
   protected render(): TemplateResult {
     const index = this._viewIndex;
     if (index === undefined) {
@@ -45,13 +50,24 @@ class HcLovelace extends LitElement {
       saveConfig: async () => undefined,
       deleteConfig: async () => undefined,
       setEditMode: () => undefined,
+      showToast: () => undefined,
     };
+
+    const viewConfig = this.lovelaceConfig.views[index];
+    const background = viewConfig.background || this.lovelaceConfig.background;
+
     return html`
-      <hui-view
+      <hui-view-container
         .hass=${this.hass}
-        .lovelace=${lovelace}
-        .index=${index}
-      ></hui-view>
+        .background=${background}
+        .theme=${viewConfig.theme}
+      >
+        <hui-view
+          .hass=${this.hass}
+          .lovelace=${lovelace}
+          .index=${index}
+        ></hui-view>
+      </hui-view-container>
     `;
   }
 
@@ -81,26 +97,6 @@ class HcLovelace extends LitElement {
                 }${viewTitle || ""}`
               : undefined,
         });
-
-        const configBackground =
-          this.lovelaceConfig.views[index].background ||
-          this.lovelaceConfig.background;
-
-        const backgroundStyle =
-          typeof configBackground === "string"
-            ? configBackground
-            : configBackground?.image
-              ? `center / cover no-repeat url('${configBackground.image}')`
-              : undefined;
-
-        if (backgroundStyle) {
-          this._huiView!.style.setProperty(
-            "--lovelace-background",
-            backgroundStyle
-          );
-        } else {
-          this._huiView!.style.removeProperty("--lovelace-background");
-        }
       }
     }
   }
@@ -124,19 +120,15 @@ class HcLovelace extends LitElement {
 
   static get styles(): CSSResultGroup {
     return css`
-      :host {
-        min-height: 100vh;
-        height: 0;
+      hui-view-container {
         display: flex;
-        flex-direction: column;
+        position: relative;
+        min-height: 100vh;
         box-sizing: border-box;
-        background: var(--primary-background-color);
-      }
-      :host > * {
-        flex: 1;
       }
       hui-view {
-        background: var(--lovelace-background, var(--primary-background-color));
+        flex: 1 1 100%;
+        max-width: 100%;
       }
     `;
   }

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

@@ -1,41 +1,40 @@
-import {
-  createConnection,
-  getAuth,
-  UnsubscribeFunc,
-} from "home-assistant-js-websocket";
-import { html, TemplateResult } from "lit";
+import type { UnsubscribeFunc } from "home-assistant-js-websocket";
+import { createConnection, getAuth } from "home-assistant-js-websocket";
+import type { TemplateResult } from "lit";
+import { html } from "lit";
 import { customElement, state } from "lit/decorators";
 import { CAST_NS } from "../../../../src/cast/const";
-import {
+import type {
   ConnectMessage,
   GetStatusMessage,
   HassMessage,
   ShowDemoMessage,
   ShowLovelaceViewMessage,
 } from "../../../../src/cast/receiver_messages";
-import {
-  ReceiverErrorCode,
+import type {
   ReceiverErrorMessage,
   ReceiverStatusMessage,
 } from "../../../../src/cast/sender_messages";
+import { ReceiverErrorCode } from "../../../../src/cast/sender_messages";
 import { atLeastVersion } from "../../../../src/common/config/version";
 import { isNavigationClick } from "../../../../src/common/dom/is-navigation-click";
 import {
   getLegacyLovelaceCollection,
   getLovelaceCollection,
 } from "../../../../src/data/lovelace";
-import {
-  isStrategyDashboard,
+import type {
   LegacyLovelaceConfig,
   LovelaceConfig,
   LovelaceDashboardStrategyConfig,
 } from "../../../../src/data/lovelace/config/types";
+import { isStrategyDashboard } from "../../../../src/data/lovelace/config/types";
 import { fetchResources } from "../../../../src/data/lovelace/resource";
 import { loadLovelaceResources } from "../../../../src/panels/lovelace/common/load-resources";
 import { HassElement } from "../../../../src/state/hass-element";
 import { castContext } from "../cast_context";
 import "./hc-launch-screen";
 import { getPanelTitleFromUrlPath } from "../../../../src/data/panel";
+import { checkLovelaceConfig } from "../../../../src/panels/lovelace/common/check-lovelace-config";
 
 const DEFAULT_CONFIG: LovelaceDashboardStrategyConfig = {
   strategy: {
@@ -365,7 +364,9 @@ export class HcMain extends HassElement {
       this._urlPath || "lovelace"
     );
     castContext.setApplicationState(title || "");
-    this._lovelaceConfig = lovelaceConfig;
+    this._lovelaceConfig = checkLovelaceConfig(
+      lovelaceConfig
+    ) as LovelaceConfig;
   }
 
   private _handleShowDemo(_msg: ShowDemoMessage) {

demo/rollup.config.js

@@ -1,10 +0,0 @@
-import rollup from "../build-scripts/rollup.cjs";
-import env from "../build-scripts/env.cjs";
-
-const config = rollup.createDemoConfig({
-  isProdBuild: env.isProdBuild(),
-  latestBuild: true,
-  isStatsBuild: env.isStatsBuild(),
-});
-
-export default { ...config.inputOptions, output: config.outputOptions };

demo/src/configs/arsaboo/entities.ts

@@ -1,5 +1,5 @@
 import { convertEntities } from "../../../../src/fake_data/entity";
-import { DemoConfig } from "../types";
+import type { DemoConfig } from "../types";
 
 export const demoEntitiesArsaboo: DemoConfig["entities"] = (localize) =>
   convertEntities({

demo/src/configs/arsaboo/index.ts

@@ -1,4 +1,4 @@
-import { DemoConfig } from "../types";
+import type { DemoConfig } from "../types";
 import { demoEntitiesArsaboo } from "./entities";
 import { demoLovelaceArsaboo } from "./lovelace";
 import { demoThemeArsaboo } from "./theme";

demo/src/configs/arsaboo/lovelace.ts

@@ -1,4 +1,4 @@
-import { DemoConfig } from "../types";
+import type { DemoConfig } from "../types";
 
 export const demoLovelaceArsaboo: DemoConfig["lovelace"] = (localize) => ({
   title: "Home Assistant",

demo/src/configs/demo-configs.ts

@@ -1,7 +1,7 @@
-import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
-import { Lovelace } from "../../../src/panels/lovelace/types";
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+import type { Lovelace } from "../../../src/panels/lovelace/types";
 import { energyEntities } from "../stubs/entities";
-import { DemoConfig } from "./types";
+import type { DemoConfig } from "./types";
 
 export const demoConfigs: Array<() => Promise<DemoConfig>> = [
   () => import("./sections").then((mod) => mod.demoSections),

demo/src/configs/jimpower/entities.ts

@@ -1,5 +1,5 @@
 import { convertEntities } from "../../../../src/fake_data/entity";
-import { DemoConfig } from "../types";
+import type { DemoConfig } from "../types";
 
 export const demoEntitiesJimpower: DemoConfig["entities"] = () =>
   convertEntities({

demo/src/configs/jimpower/index.ts

@@ -1,4 +1,4 @@
-import { DemoConfig } from "../types";
+import type { DemoConfig } from "../types";
 import { demoEntitiesJimpower } from "./entities";
 import { demoLovelaceJimpower } from "./lovelace";
 import { demoThemeJimpower } from "./theme";

demo/src/configs/jimpower/lovelace.ts

@@ -1,5 +1,5 @@
 import "../../custom-cards/card-modder";
-import { DemoConfig } from "../types";
+import type { DemoConfig } from "../types";
 
 export const demoLovelaceJimpower: DemoConfig["lovelace"] = () => ({
   name: "Kingia Castle",

demo/src/configs/kernehed/entities.ts

@@ -1,5 +1,5 @@
 import { convertEntities } from "../../../../src/fake_data/entity";
-import { DemoConfig } from "../types";
+import type { DemoConfig } from "../types";
 
 export const demoEntitiesKernehed: DemoConfig["entities"] = () =>
   convertEntities({

demo/src/configs/kernehed/index.ts

@@ -1,4 +1,4 @@
-import { DemoConfig } from "../types";
+import type { DemoConfig } from "../types";
 import { demoEntitiesKernehed } from "./entities";
 import { demoLovelaceKernehed } from "./lovelace";
 import { demoThemeKernehed } from "./theme";

demo/src/configs/kernehed/lovelace.ts

@@ -1,4 +1,4 @@
-import { DemoConfig } from "../types";
+import type { DemoConfig } from "../types";
 
 export const demoLovelaceKernehed: DemoConfig["lovelace"] = () => ({
   name: "Hem",

demo/src/configs/sections/description.ts

@@ -1,16 +0,0 @@
-import { html } from "lit";
-import { DemoConfig } from "../types";
-
-export const demoLovelaceDescription: DemoConfig["description"] = (
-  localize
-) => html`
-  <p>
-    ${localize("ui.panel.page-demo.config.sections.description", {
-      blog_post: html`<a
-        href="https://www.home-assistant.io/blog/2024/03/04/dashboard-chapter-1/"
-        target="_blank"
-        >${localize("ui.panel.page-demo.config.sections.description_blog_post")}
-      </a>`,
-    })}
-  </p>
-`;

demo/src/configs/sections/entities.ts

@@ -1,5 +1,5 @@
 import { convertEntities } from "../../../../src/fake_data/entity";
-import { DemoConfig } from "../types";
+import type { DemoConfig } from "../types";
 
 export const demoEntitiesSections: DemoConfig["entities"] = (localize) =>
   convertEntities({
@@ -111,9 +111,47 @@ export const demoEntitiesSections: DemoConfig["entities"] = (localize) =>
         friendly_name: "Living room Temperature",
       },
     },
+    "sensor.living_room_humidity": {
+      entity_id: "sensor.living_room_humidity",
+      state: "57",
+      attributes: {
+        state_class: "measurement",
+        unit_of_measurement: "%",
+        device_class: "humidity",
+        friendly_name: "Living room Humidity",
+      },
+    },
+    "sensor.outdoor_temperature": {
+      entity_id: "sensor.outdoor_temperature",
+      state: "10.5",
+      attributes: {
+        state_class: "measurement",
+        unit_of_measurement: "°C",
+        device_class: "temperature",
+        friendly_name: "Outdoor temperature",
+      },
+    },
+    "sensor.outdoor_humidity": {
+      entity_id: "sensor.outdoor_humidity",
+      state: "70.4",
+      attributes: {
+        state_class: "measurement",
+        unit_of_measurement: "%",
+        device_class: "humidity",
+        friendly_name: "Outdoor humidity",
+      },
+    },
+    "device_tracker.car": {
+      entity_id: "sensor.outdoor_humidity",
+      state: "not_home",
+      attributes: {
+        friendly_name: "Car",
+        icon: "mdi:car",
+      },
+    },
     "media_player.living_room_nest_mini": {
       entity_id: "media_player.living_room_nest_mini",
-      state: "on",
+      state: "playing",
       attributes: {
         device_class: "speaker",
         volume_level: 0.18,
@@ -161,6 +199,14 @@ export const demoEntitiesSections: DemoConfig["entities"] = (localize) =>
         supported_features: 32,
       },
     },
+    "binary_sensor.kitchen_motion": {
+      entity_id: "light.kitchen_motion",
+      state: "on",
+      attributes: {
+        device_class: "motion",
+        friendly_name: "Kitchen motion",
+      },
+    },
     "light.worktop_spotlights": {
       entity_id: "light.worktop_spotlights",
       state: "off",
@@ -395,6 +441,14 @@ export const demoEntitiesSections: DemoConfig["entities"] = (localize) =>
         supported_features: 64063,
       },
     },
+    "switch.in_meeting": {
+      entity_id: "switch.in_meeting",
+      state: "on",
+      attributes: {
+        icon: "mdi:laptop-account",
+        friendly_name: "In a meeting",
+      },
+    },
     "sensor.standing_desk_height": {
       entity_id: "sensor.standing_desk_height",
       state: "72",

demo/src/configs/sections/index.ts

@@ -1,5 +1,4 @@
-import { DemoConfig } from "../types";
-import { demoLovelaceDescription } from "./description";
+import type { DemoConfig } from "../types";
 import { demoEntitiesSections } from "./entities";
 import { demoLovelaceSections } from "./lovelace";
 
@@ -7,7 +6,6 @@ export const demoSections: DemoConfig = {
   authorName: "Home Assistant",
   authorUrl: "https://github.com/home-assistant/frontend/",
   name: "Home Demo",
-  description: demoLovelaceDescription,
   lovelace: demoLovelaceSections,
   entities: demoEntitiesSections,
   theme: () => ({}),

demo/src/configs/sections/lovelace.ts

@@ -1,5 +1,5 @@
 import { isFrontpageEmbed } from "../../util/is_frontpage";
-import { DemoConfig } from "../types";
+import type { DemoConfig } from "../types";
 
 export const demoLovelaceSections: DemoConfig["lovelace"] = (localize) => ({
   title: "Home Assistant Demo",
@@ -9,17 +9,57 @@ export const demoLovelaceSections: DemoConfig["lovelace"] = (localize) => ({
       title: isFrontpageEmbed ? "Home Assistant" : "Demo",
       path: "home",
       icon: "mdi:home-assistant",
+      badges: [
+        {
+          type: "entity",
+          entity: "sensor.outdoor_temperature",
+          color: "red",
+        },
+        {
+          type: "entity",
+          entity: "sensor.outdoor_humidity",
+          color: "indigo",
+        },
+        {
+          type: "entity",
+          entity: "device_tracker.car",
+        },
+      ],
       sections: [
         ...(isFrontpageEmbed
           ? []
           : [
               {
-                title: `${localize("ui.panel.page-demo.config.sections.titles.welcome")} 👋`,
-                cards: [{ type: "custom:ha-demo-card" }],
+                cards: [
+                  {
+                    type: "heading",
+                    heading: `${localize("ui.panel.page-demo.config.sections.titles.welcome")} 👋`,
+                  },
+                  { type: "custom:ha-demo-card" },
+                ],
               },
             ]),
         {
           cards: [
+            {
+              type: "heading",
+              heading: localize(
+                "ui.panel.page-demo.config.sections.titles.living_room"
+              ),
+              icon: "mdi:sofa",
+              badges: [
+                {
+                  type: "entity",
+                  entity: "sensor.living_room_temperature",
+                  color: "red",
+                },
+                {
+                  type: "entity",
+                  entity: "sensor.living_room_humidity",
+                  color: "indigo",
+                },
+              ],
+            },
             {
               type: "tile",
               entity: "light.floor_lamp",
@@ -38,13 +78,6 @@ export const demoLovelaceSections: DemoConfig["lovelace"] = (localize) => ({
               type: "tile",
               entity: "light.bar_lamp",
             },
-            {
-              graph: "line",
-              type: "sensor",
-              entity: "sensor.living_room_temperature",
-              detail: 1,
-              name: "Temperature",
-            },
             {
               type: "tile",
               entity: "cover.living_room_garden_shutter",
@@ -55,11 +88,25 @@ export const demoLovelaceSections: DemoConfig["lovelace"] = (localize) => ({
               entity: "media_player.living_room_nest_mini",
             },
           ],
-          title: `🛋️ ${localize("ui.panel.page-demo.config.sections.titles.living_room")} `,
         },
         {
           type: "grid",
           cards: [
+            {
+              type: "heading",
+              heading: localize(
+                "ui.panel.page-demo.config.sections.titles.kitchen"
+              ),
+              icon: "mdi:fridge",
+              badges: [
+                {
+                  type: "entity",
+                  entity: "binary_sensor.kitchen_motion",
+                  show_state: false,
+                  color: "blue",
+                },
+              ],
+            },
             {
               type: "tile",
               entity: "cover.kitchen_shutter",
@@ -90,11 +137,17 @@ export const demoLovelaceSections: DemoConfig["lovelace"] = (localize) => ({
               entity: "media_player.kitchen_nest_audio",
             },
           ],
-          title: `👩‍🍳 ${localize("ui.panel.page-demo.config.sections.titles.kitchen")}`,
         },
         {
           type: "grid",
           cards: [
+            {
+              type: "heading",
+              heading: localize(
+                "ui.panel.page-demo.config.sections.titles.energy"
+              ),
+              icon: "mdi:transmission-tower",
+            },
             {
               type: "tile",
               entity: "binary_sensor.tesla_wall_connector_vehicle_connected",
@@ -132,11 +185,17 @@ export const demoLovelaceSections: DemoConfig["lovelace"] = (localize) => ({
               color: "dark-grey",
             },
           ],
-          title: `⚡️ ${localize("ui.panel.page-demo.config.sections.titles.energy")}`,
         },
         {
           type: "grid",
           cards: [
+            {
+              type: "heading",
+              heading: localize(
+                "ui.panel.page-demo.config.sections.titles.climate"
+              ),
+              icon: "mdi:thermometer",
+            },
             {
               type: "tile",
               entity: "sun.sun",
@@ -169,16 +228,38 @@ export const demoLovelaceSections: DemoConfig["lovelace"] = (localize) => ({
               state_content: ["preset_mode", "current_temperature"],
             },
           ],
-          title: `🌤️ ${localize("ui.panel.page-demo.config.sections.titles.climate")}`,
         },
         {
           type: "grid",
           cards: [
+            {
+              type: "heading",
+              heading: localize(
+                "ui.panel.page-demo.config.sections.titles.study"
+              ),
+              icon: "mdi:desk-lamp",
+              badges: [
+                {
+                  type: "entity",
+                  entity: "switch.in_meeting",
+                  state: "on",
+                  state_content: "name",
+                  visibility: [
+                    {
+                      condition: "state",
+                      state: "on",
+                      entity: "switch.in_meeting",
+                    },
+                  ],
+                },
+              ],
+            },
             {
               type: "tile",
               entity: "cover.study_shutter",
               name: "Shutter",
             },
+
             {
               type: "tile",
               entity: "light.study_spotlights",
@@ -195,12 +276,23 @@ export const demoLovelaceSections: DemoConfig["lovelace"] = (localize) => ({
               color: "brown",
               icon: "mdi:desk",
             },
+            {
+              type: "tile",
+              entity: "switch.in_meeting",
+              name: "Meeting mode",
+            },
           ],
-          title: `🧑‍💻 ${localize("ui.panel.page-demo.config.sections.titles.study")}`,
         },
         {
           type: "grid",
           cards: [
+            {
+              type: "heading",
+              heading: localize(
+                "ui.panel.page-demo.config.sections.titles.outdoor"
+              ),
+              icon: "mdi:tree",
+            },
             {
               type: "tile",
               entity: "light.outdoor_light",
@@ -230,11 +322,17 @@ export const demoLovelaceSections: DemoConfig["lovelace"] = (localize) => ({
               name: "Illuminance",
             },
           ],
-          title: `🌳 ${localize("ui.panel.page-demo.config.sections.titles.outdoor")}`,
         },
         {
           type: "grid",
           cards: [
+            {
+              type: "heading",
+              heading: localize(
+                "ui.panel.page-demo.config.sections.titles.updates"
+              ),
+              icon: "mdi:update",
+            },
             {
               type: "tile",
               entity: "automation.home_assistant_auto_update",
@@ -260,7 +358,6 @@ export const demoLovelaceSections: DemoConfig["lovelace"] = (localize) => ({
               icon: "mdi:home-assistant",
             },
           ],
-          title: `🎉 ${localize("ui.panel.page-demo.config.sections.titles.updates")}`,
         },
       ],
     },

demo/src/configs/teachingbirds/entities.ts

@@ -1,5 +1,5 @@
 import { convertEntities } from "../../../../src/fake_data/entity";
-import { DemoConfig } from "../types";
+import type { DemoConfig } from "../types";
 
 export const demoEntitiesTeachingbirds: DemoConfig["entities"] = () =>
   convertEntities({

demo/src/configs/teachingbirds/index.ts

@@ -1,4 +1,4 @@
-import { DemoConfig } from "../types";
+import type { DemoConfig } from "../types";
 import { demoEntitiesTeachingbirds } from "./entities";
 import { demoLovelaceTeachingbirds } from "./lovelace";
 import { demoThemeTeachingbirds } from "./theme";

demo/src/configs/teachingbirds/lovelace.ts

@@ -1,4 +1,4 @@
-import { DemoConfig } from "../types";
+import type { DemoConfig } from "../types";
 
 export const demoLovelaceTeachingbirds: DemoConfig["lovelace"] = () => ({
   title: "Home",

demo/src/configs/types.ts

@@ -1,7 +1,7 @@
-import { TemplateResult } from "lit";
-import { LocalizeFunc } from "../../../src/common/translations/localize";
-import { LovelaceConfig } from "../../../src/data/lovelace/config/types";
-import { Entity } from "../../../src/fake_data/entity";
+import type { TemplateResult } from "lit";
+import type { LocalizeFunc } from "../../../src/common/translations/localize";
+import type { LovelaceConfig } from "../../../src/data/lovelace/config/types";
+import type { Entity } from "../../../src/fake_data/entity";
 
 export interface DemoConfig {
   index?: number;

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

@@ -1,14 +1,15 @@
 import { mdiTelevision } from "@mdi/js";
-import { css, CSSResultGroup, html, LitElement, nothing } from "lit";
+import type { CSSResultGroup } from "lit";
+import { css, html, LitElement, nothing } from "lit";
 import { customElement, state } from "lit/decorators";
-import { CastManager } from "../../../src/cast/cast_manager";
+import type { CastManager } from "../../../src/cast/cast_manager";
 import { castSendShowDemo } from "../../../src/cast/receiver_messages";
 import "../../../src/components/ha-icon";
-import {
+import type {
   CastConfig,
   LovelaceRow,
 } from "../../../src/panels/lovelace/entity-rows/types";
-import { HomeAssistant } from "../../../src/types";
+import type { HomeAssistant } from "../../../src/types";
 
 @customElement("cast-demo-row")
 class CastDemoRow extends LitElement implements LovelaceRow {

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

@@ -1,13 +1,17 @@
-import { css, CSSResultGroup, html, LitElement, nothing } from "lit";
+import type { CSSResultGroup } from "lit";
+import { css, html, LitElement, nothing } from "lit";
 import { customElement, property, state } from "lit/decorators";
 import { until } from "lit/directives/until";
 import { fireEvent } from "../../../src/common/dom/fire_event";
 import "../../../src/components/ha-card";
 import "../../../src/components/ha-button";
 import "../../../src/components/ha-circular-progress";
-import { LovelaceCardConfig } from "../../../src/data/lovelace/config/card";
-import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
-import { Lovelace, LovelaceCard } from "../../../src/panels/lovelace/types";
+import type { LovelaceCardConfig } from "../../../src/data/lovelace/config/card";
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+import type {
+  Lovelace,
+  LovelaceCard,
+} from "../../../src/panels/lovelace/types";
 import {
   demoConfigs,
   selectedDemoConfig,

demo/src/ha-demo.ts

@@ -3,12 +3,10 @@ import "../../src/resources/compatibility";
 import { customElement } from "lit/decorators";
 import { isNavigationClick } from "../../src/common/dom/is-navigation-click";
 import { navigate } from "../../src/common/navigate";
-import {
-  MockHomeAssistant,
-  provideHass,
-} from "../../src/fake_data/provide_hass";
+import type { MockHomeAssistant } from "../../src/fake_data/provide_hass";
+import { provideHass } from "../../src/fake_data/provide_hass";
 import { HomeAssistantAppEl } from "../../src/layouts/home-assistant";
-import { HomeAssistant } from "../../src/types";
+import type { HomeAssistant } from "../../src/types";
 import { selectedDemoConfig } from "./configs/demo-configs";
 import { mockAreaRegistry } from "./stubs/area_registry";
 import { mockAuth } from "./stubs/auth";

demo/src/stubs/area_registry.ts

@@ -1,4 +1,4 @@
-import { AreaRegistryEntry } from "../../../src/data/area_registry";
+import type { AreaRegistryEntry } from "../../../src/data/area_registry";
 import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 export const mockAreaRegistry = (

demo/src/stubs/auth.ts

@@ -1,4 +1,4 @@
-import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 export const mockAuth = (hass: MockHomeAssistant) => {
   hass.mockWS("config/auth/list", () => []);

demo/src/stubs/config.ts

@@ -0,0 +1,9 @@
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+
+export const mockConfig = (hass: MockHomeAssistant) => {
+  hass.mockWS("validate_config", () => ({
+    actions: { valid: true },
+    conditions: { valid: true },
+    triggers: { valid: true },
+  }));
+};

demo/src/stubs/config_entries.ts

@@ -1,4 +1,4 @@
-import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 export const mockConfigEntries = (hass: MockHomeAssistant) => {
   hass.mockWS("config_entries/get", () => ({

demo/src/stubs/device_registry.ts

@@ -1,4 +1,4 @@
-import { DeviceRegistryEntry } from "../../../src/data/device_registry";
+import type { DeviceRegistryEntry } from "../../../src/data/device_registry";
 import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 export const mockDeviceRegistry = (

demo/src/stubs/energy.ts

@@ -1,11 +1,11 @@
 import { format, startOfToday, startOfTomorrow } from "date-fns";
-import {
+import type {
   EnergyInfo,
   EnergyPreferences,
   EnergySolarForecasts,
   FossilEnergyConsumption,
 } from "../../../src/data/energy";
-import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 export const mockEnergy = (hass: MockHomeAssistant) => {
   hass.mockWS(

demo/src/stubs/entity_registry.ts

@@ -1,4 +1,4 @@
-import { EntityRegistryEntry } from "../../../src/data/entity_registry";
+import type { EntityRegistryEntry } from "../../../src/data/entity_registry";
 import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 export const mockEntityRegistry = (

demo/src/stubs/events.ts

@@ -1,4 +1,4 @@
-import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 export const mockEvents = (hass: MockHomeAssistant) => {
   hass.mockAPI("events", () => []);

demo/src/stubs/floor_registry.ts

@@ -1,4 +1,4 @@
-import { FloorRegistryEntry } from "../../../src/data/floor_registry";
+import type { FloorRegistryEntry } from "../../../src/data/floor_registry";
 import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 export const mockFloorRegistry = (

demo/src/stubs/frontend.ts

@@ -1,4 +1,4 @@
-import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 export const mockFrontend = (hass: MockHomeAssistant) => {
   hass.mockWS("frontend/get_user_data", () => ({

demo/src/stubs/hassio_supervisor.ts

@@ -1,4 +1,4 @@
-import { HassioSupervisorInfo } from "../../../src/data/hassio/supervisor";
+import type { HassioSupervisorInfo } from "../../../src/data/hassio/supervisor";
 import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 export const mockHassioSupervisor = (hass: MockHomeAssistant) => {

demo/src/stubs/history.ts

@@ -1,6 +1,6 @@
-import { HassEntity } from "home-assistant-js-websocket";
-import { HistoryStates } from "../../../src/data/history";
-import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+import type { HassEntity } from "home-assistant-js-websocket";
+import type { HistoryStates } from "../../../src/data/history";
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 const generateStateHistory = (
   state: HassEntity,

demo/src/stubs/icons.ts

@@ -1,6 +1,6 @@
-import { IconCategory } from "../../../src/data/icons";
+import type { IconCategory } from "../../../src/data/icons";
 import { ENTITY_COMPONENT_ICONS } from "../../../src/fake_data/entity_component_icons";
-import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 export const mockIcons = (hass: MockHomeAssistant) => {
   hass.mockWS(

demo/src/stubs/label_registry.ts

@@ -1,4 +1,4 @@
-import { LabelRegistryEntry } from "../../../src/data/label_registry";
+import type { LabelRegistryEntry } from "../../../src/data/label_registry";
 import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 export const mockLabelRegistry = (

demo/src/stubs/media_player.ts

@@ -1,4 +1,4 @@
-import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 export const mockMediaPlayer = (hass: MockHomeAssistant) => {
   hass.mockWS("media_player_thumbnail", () => Promise.reject());

demo/src/stubs/persistent_notification.ts

@@ -1,5 +1,5 @@
-import { PersistentNotificationMessage } from "../../../src/data/persistent_notification";
-import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+import type { PersistentNotificationMessage } from "../../../src/data/persistent_notification";
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 export const mockPersistentNotification = (hass: MockHomeAssistant) => {
   hass.mockWS("persistent_notification/subscribe", (_msg, _hass, onChange) => {

demo/src/stubs/recorder.ts

@@ -5,12 +5,12 @@ import {
   differenceInHours,
   endOfDay,
 } from "date-fns";
-import {
+import type {
   Statistics,
   StatisticsMetaData,
   StatisticValue,
 } from "../../../src/data/recorder";
-import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 const generateMeanStatistics = (
   start: Date,

demo/src/stubs/sensor.ts

@@ -1,4 +1,4 @@
-import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 export const mockSensor = (hass: MockHomeAssistant) => {
   hass.mockWS("sensor/numeric_device_classes", () => [

demo/src/stubs/system_log.ts

@@ -1,4 +1,4 @@
-import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 export const mockSystemLog = (hass: MockHomeAssistant) => {
   hass.mockAPI("error/all", () => []);

demo/src/stubs/tags.ts

@@ -0,0 +1,6 @@
+import type { Tag } from "../../../src/data/tag";
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+
+export const mockTags = (hass: MockHomeAssistant) => {
+  hass.mockWS("tag/list", () => [{ id: "my-tag", name: "My Tag" }] as Tag[]);
+};

demo/src/stubs/template.ts

@@ -1,4 +1,4 @@
-import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 export const mockTemplate = (hass: MockHomeAssistant) => {
   hass.mockAPI("template", () =>

demo/src/stubs/todo.ts

@@ -1,5 +1,6 @@
-import { TodoItem, TodoItemStatus } from "../../../src/data/todo";
-import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+import type { TodoItem } from "../../../src/data/todo";
+import { TodoItemStatus } from "../../../src/data/todo";
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 export const mockTodo = (hass: MockHomeAssistant) => {
   hass.mockWS("todo/item/list", () => ({

demo/src/stubs/translations.ts

@@ -1,4 +1,4 @@
-import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+import type { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 export const mockTranslations = (hass: MockHomeAssistant) => {
   hass.mockWS(

eslint.config.mjs

@@ -0,0 +1,163 @@
+import unusedImports from "eslint-plugin-unused-imports";
+import globals from "globals";
+import tsParser from "@typescript-eslint/parser";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import js from "@eslint/js";
+import { FlatCompat } from "@eslint/eslintrc";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+  baseDirectory: __dirname,
+  recommendedConfig: js.configs.recommended,
+  allConfig: js.configs.all,
+});
+
+export default [
+  ...compat.extends(
+    "airbnb-base",
+    "airbnb-typescript/base",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:wc/recommended",
+    "plugin:lit/all",
+    "plugin:lit-a11y/recommended",
+    "prettier"
+  ),
+  {
+    plugins: {
+      "unused-imports": unusedImports,
+    },
+
+    languageOptions: {
+      globals: {
+        ...globals.browser,
+        __DEV__: false,
+        __DEMO__: false,
+        __BUILD__: false,
+        __VERSION__: false,
+        __STATIC_PATH__: false,
+        __SUPERVISOR__: false,
+        Polymer: true,
+      },
+
+      parser: tsParser,
+      ecmaVersion: 2020,
+      sourceType: "module",
+
+      parserOptions: {
+        ecmaFeatures: {
+          modules: true,
+        },
+
+        project: "./tsconfig.json",
+      },
+    },
+
+    settings: {
+      "import/resolver": {
+        webpack: {
+          config: "./webpack.config.cjs",
+        },
+      },
+    },
+
+    rules: {
+      "class-methods-use-this": "off",
+      "new-cap": "off",
+      "prefer-template": "off",
+      "object-shorthand": "off",
+      "func-names": "off",
+      "no-underscore-dangle": "off",
+      strict: "off",
+      "no-plusplus": "off",
+      "no-bitwise": "error",
+      "comma-dangle": "off",
+      "vars-on-top": "off",
+      "no-continue": "off",
+      "no-param-reassign": "off",
+      "no-multi-assign": "off",
+      "no-console": "error",
+      radix: "off",
+      "no-alert": "off",
+      "no-nested-ternary": "off",
+      "prefer-destructuring": "off",
+      "no-restricted-globals": [2, "event"],
+      "prefer-promise-reject-errors": "off",
+      "import/prefer-default-export": "off",
+      "import/no-default-export": "off",
+      "import/no-unresolved": "off",
+      "import/no-cycle": "off",
+
+      "import/extensions": [
+        "error",
+        "ignorePackages",
+        {
+          ts: "never",
+          js: "never",
+        },
+      ],
+
+      "no-restricted-syntax": ["error", "LabeledStatement", "WithStatement"],
+      "object-curly-newline": "off",
+      "default-case": "off",
+      "wc/no-self-class": "off",
+      "no-shadow": "off",
+      "@typescript-eslint/camelcase": "off",
+      "@typescript-eslint/ban-ts-comment": "off",
+      "@typescript-eslint/no-use-before-define": "off",
+      "@typescript-eslint/no-non-null-assertion": "off",
+      "@typescript-eslint/no-explicit-any": "off",
+      "@typescript-eslint/explicit-function-return-type": "off",
+      "@typescript-eslint/explicit-module-boundary-types": "off",
+      "@typescript-eslint/no-shadow": ["error"],
+
+      "@typescript-eslint/naming-convention": [
+        "off",
+        {
+          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"],
+        },
+      ],
+
+      "@typescript-eslint/no-unused-vars": "off",
+
+      "unused-imports/no-unused-vars": [
+        "error",
+        {
+          vars: "all",
+          varsIgnorePattern: "^_",
+          args: "after-used",
+          argsIgnorePattern: "^_",
+          ignoreRestSiblings: true,
+        },
+      ],
+
+      "unused-imports/no-unused-imports": "error",
+      "lit/attribute-names": "warn",
+      "lit/attribute-value-entities": "off",
+      "lit/no-template-map": "off",
+      "lit/no-native-attributes": "warn",
+      "lit/no-this-assign-in-render": "warn",
+      "lit-a11y/click-events-have-key-events": ["off"],
+      "lit-a11y/no-autofocus": "off",
+      "lit-a11y/alt-text": "warn",
+      "lit-a11y/anchor-is-valid": "warn",
+      "lit-a11y/role-has-required-aria-attrs": "warn",
+      "@typescript-eslint/consistent-type-imports": "error",
+      "@typescript-eslint/no-import-type-side-effects": "error",
+    },
+  },
+];

gallery/.eslintrc.json

@@ -1,6 +0,0 @@
-{
-  "extends": "../.eslintrc.json",
-  "rules": {
-    "no-console": 0
-  }
-}

gallery/eslint.config.mjs

@@ -0,0 +1,10 @@
+import rootConfig from "../eslint.config.mjs";
+
+export default [
+  ...rootConfig,
+  {
+    rules: {
+      "no-console": "off",
+    },
+  },
+];

gallery/rollup.config.js

@@ -1,10 +0,0 @@
-import rollup from "../build-scripts/rollup.cjs";
-import env from "../build-scripts/env.cjs";
-
-const config = rollup.createGalleryConfig({
-  isProdBuild: env.isProdBuild(),
-  latestBuild: true,
-  isStatsBuild: env.isStatsBuild(),
-});
-
-export default { ...config.inputOptions, output: config.outputOptions };

gallery/src/components/demo-black-white-row.ts

@@ -1,5 +1,7 @@
-import { Button } from "@material/mwc-button";
-import { html, LitElement, css, TemplateResult, nothing } from "lit";
+import "@material/mwc-button/mwc-button";
+import type { Button } from "@material/mwc-button";
+import type { TemplateResult } from "lit";
+import { html, LitElement, css, nothing } from "lit";
 import { customElement, property } from "lit/decorators";
 import { applyThemesOnElement } from "../../../src/common/dom/apply_themes_on_element";
 import { fireEvent } from "../../../src/common/dom/fire_event";

gallery/src/components/demo-card.ts

@@ -1,10 +1,11 @@
 import { load } from "js-yaml";
-import { LitElement, PropertyValueMap, css, html, nothing } from "lit";
+import type { PropertyValueMap } from "lit";
+import { LitElement, css, html, nothing } from "lit";
 import { customElement, property, query, state } from "lit/decorators";
 import memoizeOne from "memoize-one";
 import "../../../src/panels/lovelace/cards/hui-card";
 import type { HuiCard } from "../../../src/panels/lovelace/cards/hui-card";
-import { HomeAssistant } from "../../../src/types";
+import type { HomeAssistant } from "../../../src/types";
 
 export interface DemoCardConfig {
   heading: string;

gallery/src/components/demo-cards.ts

@@ -3,7 +3,7 @@ import { customElement, property, query, state } from "lit/decorators";
 import { applyThemesOnElement } from "../../../src/common/dom/apply_themes_on_element";
 import "../../../src/components/ha-formfield";
 import "../../../src/components/ha-switch";
-import { HomeAssistant } from "../../../src/types";
+import type { HomeAssistant } from "../../../src/types";
 import "./demo-card";
 import type { DemoCardConfig } from "./demo-card";
 import "../ha-demo-options";

gallery/src/components/demo-more-info.ts

@@ -4,7 +4,7 @@ import "../../../src/components/ha-card";
 import "../../../src/dialogs/more-info/more-info-content";
 import "../../../src/state-summary/state-card-content";
 import "../ha-demo-options";
-import { HomeAssistant } from "../../../src/types";
+import type { HomeAssistant } from "../../../src/types";
 
 @customElement("demo-more-info")
 class DemoMoreInfo extends LitElement {