Bumped version to 20210818.0

* Fix default strategy when energy is not configured

* Address comment

Co-authored-by: Paulus Schoutsen <balloob@gmail.com>

.eslintrc.json

@@ -4,8 +4,7 @@
     "plugin:@typescript-eslint/recommended",
     "plugin:wc/recommended",
     "plugin:lit/recommended",
-    "prettier",
-    "prettier/@typescript-eslint"
+    "prettier"
   ],
   "parser": "@typescript-eslint/parser",
   "parserOptions": {
@@ -29,63 +28,89 @@
     "__BUILD__": false,
     "__VERSION__": false,
     "__STATIC_PATH__": false,
-    "Polymer": true,
-    "webkitSpeechRecognition": false,
-    "ResizeObserver": false
+    "Polymer": true
   },
   "env": {
     "browser": true,
     "es6": true
   },
   "rules": {
-    "class-methods-use-this": 0,
-    "new-cap": 0,
-    "prefer-template": 0,
-    "object-shorthand": 0,
-    "func-names": 0,
-    "prefer-arrow-callback": 0,
-    "no-underscore-dangle": 0,
-    "strict": 0,
-    "prefer-spread": 0,
-    "no-plusplus": 0,
-    "no-bitwise": 2,
-    "comma-dangle": 0,
-    "vars-on-top": 0,
-    "no-continue": 0,
-    "no-param-reassign": 0,
-    "no-multi-assign": 0,
-    "no-console": 2,
-    "radix": 0,
-    "no-alert": 0,
-    "no-return-await": 0,
-    "no-nested-ternary": 0,
-    "prefer-destructuring": 0,
+    "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": 0,
-    "import/order": 0,
-    "import/prefer-default-export": 0,
-    "import/no-unresolved": 0,
-    "import/no-cycle": 0,
+    "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": [
-      2,
+      "error",
       "ignorePackages",
       { "ts": "never", "js": "never" }
     ],
     "no-restricted-syntax": ["error", "LabeledStatement", "WithStatement"],
-    "object-curly-newline": 0,
-    "default-case": 0,
-    "wc/no-self-class": 0,
-    "no-shadow": 0,
-    "@typescript-eslint/camelcase": 0,
-    "@typescript-eslint/ban-ts-comment": 0,
-    "@typescript-eslint/no-use-before-define": 0,
-    "@typescript-eslint/no-non-null-assertion": 0,
-    "@typescript-eslint/no-explicit-any": 0,
-    "@typescript-eslint/no-unused-vars": 0,
-    "@typescript-eslint/explicit-function-return-type": 0,
-    "@typescript-eslint/explicit-module-boundary-types": 0,
-    "@typescript-eslint/no-shadow": ["error"]
+    "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-value-entities": "off"
   },
-  "plugins": ["disable", "import", "lit", "prettier", "@typescript-eslint"],
+  "plugins": ["disable", "unused-imports"],
   "processor": "disable/disable"
 }

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -1,8 +1,6 @@
 name: Report a bug with the UI, Frontend or Lovelace
-about: Report an issue related to the Home Assistant frontend.
+description: Report an issue related to the Home Assistant frontend.
 labels: bug
-title: ""
-issue_body: true
 body:
   - type: markdown
     attributes:
@@ -97,11 +95,7 @@ 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.
-      value: |
-        ```yaml
-        # Paste your state here.
-
-        ```
+      render: txt
   - type: textarea
     attributes:
       label: Problem-relevant frontend configuration
@@ -110,29 +104,18 @@ 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.
-      value: |
-        ```yaml
-        # Paste your YAML here.
-
-        ```
+      render: yaml
   - 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.
-      value: |
-        ```txt
-        # Paste your logs here.
-
-        ```
-  - type: markdown
+      render: txt
+  - type: textarea
     attributes:
-      value: |
-        ## Additional information
-  - type: markdown
-    attributes:
-      value: |
+      label: Additional information
+      description: >
         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

@@ -10,26 +10,21 @@ on:
       - dev
       - master
 
+env:
+  NODE_VERSION: 14
+  NODE_OPTIONS: --max_old_space_size=4096
+
 jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
       - name: Check out files from GitHub
         uses: actions/checkout@v2
-      - name: Setting up Node.js
-        uses: actions/setup-node@v1
+      - name: Set up Node ${{ env.NODE_VERSION }}
+        uses: actions/setup-node@v2
         with:
-          node-version: 12.x
-      - name: Get yarn cache path
-        id: yarn-cache-dir-path
-        run: echo "::set-output name=dir::$(yarn cache dir)"
-      - name: Fetching Yarn cache
-        uses: actions/cache@v1
-        with:
-          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-yarn-
+          node-version: ${{ env.NODE_VERSION }}
+          cache: yarn
       - name: Install dependencies
         run: yarn install
         env:
@@ -37,54 +32,40 @@ jobs:
       - name: Build resources
         run: ./node_modules/.bin/gulp gen-icons-json build-translations gather-gallery-demos
       - name: Run eslint
-        run: ./node_modules/.bin/eslint '{**/src,src}/**/*.{js,ts,html}' --ignore-path .gitignore
+        run: yarn run lint:eslint
       - name: Run tsc
-        run: ./node_modules/.bin/tsc
+        run: yarn run lint:types
+      - name: Run prettier
+        run: yarn run lint:prettier
+      - name: Check for duplicate dependencies
+        run: yarn dedupe --check
   test:
     runs-on: ubuntu-latest
     steps:
       - name: Check out files from GitHub
         uses: actions/checkout@v2
-      - name: Setting up Node.js
-        uses: actions/setup-node@v1
+      - name: Set up Node ${{ env.NODE_VERSION }}
+        uses: actions/setup-node@v2
         with:
-          node-version: 12.x
-      - name: Get yarn cache path
-        id: yarn-cache-dir-path
-        run: echo "::set-output name=dir::$(yarn cache dir)"
-      - name: Fetching Yarn cache
-        uses: actions/cache@v1
-        with:
-          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-yarn-
+          node-version: ${{ env.NODE_VERSION }}
+          cache: yarn
       - name: Install dependencies
         run: yarn install
         env:
           CI: true
       - name: Run Mocha
-        run: npm run mocha
+        run: yarn run mocha
   build:
     runs-on: ubuntu-latest
     needs: [lint, test]
     steps:
       - name: Check out files from GitHub
         uses: actions/checkout@v2
-      - name: Setting up Node.js
-        uses: actions/setup-node@v1
+      - name: Set up Node ${{ env.NODE_VERSION }}
+        uses: actions/setup-node@v2
         with:
-          node-version: 12.x
-      - name: Get yarn cache path
-        id: yarn-cache-dir-path
-        run: echo "::set-output name=dir::$(yarn cache dir)"
-      - name: Fetching Yarn cache
-        uses: actions/cache@v1
-        with:
-          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-yarn-
+          node-version: ${{ env.NODE_VERSION }}
+          cache: yarn
       - name: Install dependencies
         run: yarn install
         env:
@@ -99,20 +80,11 @@ jobs:
     steps:
       - name: Check out files from GitHub
         uses: actions/checkout@v2
-      - name: Setting up Node.js
-        uses: actions/setup-node@v1
+      - name: Set up Node ${{ env.NODE_VERSION }}
+        uses: actions/setup-node@v2
         with:
-          node-version: 12.x
-      - name: Get yarn cache path
-        id: yarn-cache-dir-path
-        run: echo "::set-output name=dir::$(yarn cache dir)"
-      - name: Fetching Yarn cache
-        uses: actions/cache@v1
-        with:
-          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-yarn-
+          node-version: ${{ env.NODE_VERSION }}
+          cache: yarn
       - name: Install dependencies
         run: yarn install
         env:

.github/workflows/demo.yaml

@@ -4,26 +4,22 @@ on:
   push:
     branches:
       - dev
+
+env:
+  NODE_VERSION: 14
+  NODE_OPTIONS: --max_old_space_size=4096
+
 jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
       - name: Check out files from GitHub
         uses: actions/checkout@v2
-      - name: Setting up Node.js
-        uses: actions/setup-node@v1
+      - name: Set up Node ${{ env.NODE_VERSION }}
+        uses: actions/setup-node@v2
         with:
-          node-version: 12.x
-      - name: Get yarn cache path
-        id: yarn-cache-dir-path
-        run: echo "::set-output name=dir::$(yarn cache dir)"
-      - name: Fetching Yarn cache
-        uses: actions/cache@v1
-        with:
-          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-yarn-
+          node-version: ${{ env.NODE_VERSION }}
+          cache: yarn
       - name: Install dependencies
         run: yarn install
         env:

.github/workflows/release.yaml

@@ -6,9 +6,9 @@ on:
       - published
 
 env:
-  WHEELS_TAG: 3.7-alpine3.11
-  PYTHON_VERSION: 3.7
-  NODE_VERSION: 12.1
+  PYTHON_VERSION: 3.8
+  NODE_VERSION: 14
+  NODE_OPTIONS: --max_old_space_size=4096
 
 jobs:
   release:
@@ -30,7 +30,15 @@ jobs:
         uses: actions/setup-node@v2
         with:
           node-version: ${{ env.NODE_VERSION }}
+          cache: yarn
 
+      - name: Install dependencies
+        run: yarn install
+
+      - name: Download Translations
+        run: ./script/translations_download
+        env:
+          LOKALISE_TOKEN: ${{ secrets.LOKALISE_TOKEN }}
       - name: Build and release package
         run: |
           python3 -m pip install twine
@@ -64,6 +72,9 @@ 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
@@ -73,7 +84,7 @@ jobs:
       - name: Build wheels
         uses: home-assistant/wheels@master
         with:
-          tag: ${{ env.WHEELS_TAG }}
+          tag: ${{ matrix.tag }}
           arch: ${{ matrix.arch }}
           wheels-host: ${{ secrets.WHEELS_HOST }}
           wheels-key: ${{ secrets.WHEELS_KEY }}

.github/workflows/translations.yaml

@@ -1,16 +1,14 @@
 name: Translations
 
 on:
-  schedule:
-    - cron: "30 0 * * *"
   push:
     branches:
       - dev
     paths:
-      - translations/en.json
+      - src/translations/en.json
 
 env:
-  NODE_VERSION: 12
+  NODE_VERSION: 14
 
 jobs:
   upload:
@@ -20,46 +18,8 @@ jobs:
       - name: Checkout the repository
         uses: actions/checkout@v2
 
-      - name: Set up Node ${{ env.NODE_VERSION }}
-        uses: actions/setup-node@v2
-        with:
-          node-version: ${{ env.NODE_VERSION }}
-
       - name: Upload Translations
         run: |
           export LOKALISE_TOKEN="${{ secrets.LOKALISE_TOKEN }}"
 
           ./script/translations_upload_base
-
-  download:
-    name: Download
-    needs: upload
-    if: github.event_name == 'schedule'
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout the repository
-        uses: actions/checkout@v2
-
-      - name: Set up Node ${{ env.NODE_VERSION }}
-        uses: actions/setup-node@v2
-        with:
-          node-version: ${{ env.NODE_VERSION }}
-
-      - name: Download Translations
-        run: |
-          export LOKALISE_TOKEN="${{ secrets.LOKALISE_TOKEN }}"
-
-          npm install
-          ./script/translations_download
-
-      - name: Initialize git
-        uses: home-assistant/actions/helpers/git-init@master
-        with:
-          name: GitHub Action
-          email: github-action@users.noreply.github.com
-
-      - name: Update translation
-        run: |
-          git add translations
-          git commit -am "Translation update"
-          git push

.gitignore

@@ -1,10 +1,23 @@
+.DS_Store
+.reify-cache
+
+# build
 build
 build-translations/*
-node_modules/*
-npm-debug.log
-.DS_Store
 hass_frontend/*
-.reify-cache
+dist
+
+# yarn
+.yarn/*
+!.yarn/patches
+!.yarn/releases
+!.yarn/plugins
+!.yarn/sdks
+!.yarn/versions
+.pnp.*
+node_modules/*
+yarn-error.log
+npm-debug.log
 
 # Python stuff
 *.py[cod]
@@ -14,11 +27,8 @@ hass_frontend/*
 # venv stuff
 pyvenv.cfg
 pip-selfcheck.json
-venv
+venv/*
 .venv
-lib
-bin
-dist
 
 # vscode
 .vscode/*
@@ -31,9 +41,8 @@ src/cast/dev_const.ts
 
 # Secrets
 .lokalise_token
-yarn-error.log
 
-#asdf
+# asdf
 .tool-versions
 
 # Home Assistant config

.mocharc.cjs

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

.nvmrc

@@ -1 +1 @@
-12.1
+14

.yarn/patches/@lit-labs/virtualizer/event-target-shim.patch

@@ -0,0 +1,29 @@
+diff --git a/lib/uni-virtualizer/lib/polyfillLoaders/EventTarget.js b/lib/uni-virtualizer/lib/polyfillLoaders/EventTarget.js
+index d92179f7fd5315203f870a6963e871dc8ddf6c0c..362e284121b97e0fba0925225777aebc32e26b8d 100644
+--- a/lib/uni-virtualizer/lib/polyfillLoaders/EventTarget.js
++++ b/lib/uni-virtualizer/lib/polyfillLoaders/EventTarget.js
+@@ -1,14 +1,15 @@
+-let _ET, ET;
++let _ET;
++let ET;
+ export default async function EventTarget() {
+-    return ET || init();
++  return ET || init();
+ }
+ async function init() {
+-    _ET = window.EventTarget;
+-    try {
+-        new _ET();
+-    }
+-    catch (_a) {
+-        _ET = (await import('event-target-shim')).EventTarget;
+-    }
+-    return (ET = _ET);
++  _ET = window.EventTarget;
++  try {
++    new _ET();
++  } catch (_a) {
++    _ET = (await import("event-target-shim")).default.EventTarget;
++  }
++  return (ET = _ET);
+ }

.yarn/patches/@polymer/polymer/pr-5569.patch

@@ -0,0 +1,34 @@
+diff --git a/lib/legacy/class.js b/lib/legacy/class.js
+index aee2511be1cd9bf900ee552bc98190c1631c57c0..f2f499d68bf52034cac9c28307c99e8ce6b8417d 100644
+--- a/lib/legacy/class.js
++++ b/lib/legacy/class.js
+@@ -304,17 +304,23 @@ function GenerateClassFromInfo(info, Base, behaviors) {
+       // only proceed if the generated class' prototype has not been registered.
+       const generatedProto = PolymerGenerated.prototype;
+       if (!generatedProto.hasOwnProperty(JSCompiler_renameProperty('__hasRegisterFinished', generatedProto))) {
+-        generatedProto.__hasRegisterFinished = true;
++        // make sure legacy lifecycle is called on the *element*'s prototype
++        // and not the generated class prototype; if the element has been
++        // extended, these are *not* the same.
++        const proto = Object.getPrototypeOf(this);
++        // Only set flag when generated prototype itself is registered,
++        // as this element may be extended from, and needs to run `registered`
++        // on all behaviors on the subclass as well.
++        if (proto === generatedProto) {
++          generatedProto.__hasRegisterFinished = true;
++        }
+         // ensure superclass is registered first.
+         super._registered();
+         // copy properties onto the generated class lazily if we're optimizing,
+-        if (legacyOptimizations) {
++        if (legacyOptimizations && !Object.hasOwnProperty(generatedProto, '__hasCopiedProperties')) {
++          generatedProto.__hasCopiedProperties = true;
+           copyPropertiesToProto(generatedProto);
+         }
+-        // make sure legacy lifecycle is called on the *element*'s prototype
+-        // and not the generated class prototype; if the element has been
+-        // extended, these are *not* the same.
+-        const proto = Object.getPrototypeOf(this);
+         let list = lifecycle.beforeRegister;
+         if (list) {
+           for (let i=0; i < list.length; i++) {

.yarnrc.yml

@@ -0,0 +1,9 @@
+nodeLinker: node-modules
+
+plugins:
+  - path: .yarn/plugins/@yarnpkg/plugin-typescript.cjs
+    spec: "@yarnpkg/plugin-typescript"
+  - path: .yarn/plugins/@yarnpkg/plugin-interactive-tools.cjs
+    spec: "@yarnpkg/plugin-interactive-tools"
+
+yarnPath: .yarn/releases/yarn-2.4.2.cjs

build-scripts/babel-plugins/inline-constants-plugin.js

@@ -0,0 +1,170 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+const path = require("path");
+
+// Currently only supports CommonJS modules, as require is synchronous. `import` would need babel running asynchronous.
+module.exports = function inlineConstants(babel, options, cwd) {
+  const t = babel.types;
+
+  if (!Array.isArray(options.modules)) {
+    throw new TypeError(
+      "babel-plugin-inline-constants: expected a `modules` array to be passed"
+    );
+  }
+
+  if (options.resolveExtensions && !Array.isArray(options.resolveExtensions)) {
+    throw new TypeError(
+      "babel-plugin-inline-constants: expected `resolveExtensions` to be an array"
+    );
+  }
+
+  const ignoreModuleNotFound = options.ignoreModuleNotFound;
+  const resolveExtensions = options.resolveExtensions;
+
+  const hasRelativeModules = options.modules.some(
+    (module) => module.startsWith(".") || module.startsWith("/")
+  );
+
+  const modules = Object.fromEntries(
+    options.modules.map((module) => {
+      const absolute = module.startsWith(".")
+        ? require.resolve(module, { paths: [cwd] })
+        : module;
+      // eslint-disable-next-line import/no-dynamic-require
+      return [absolute, require(absolute)];
+    })
+  );
+
+  const toLiteral = (value) => {
+    if (typeof value === "string") {
+      return t.stringLiteral(value);
+    }
+
+    if (typeof value === "number") {
+      return t.numericLiteral(value);
+    }
+
+    if (typeof value === "boolean") {
+      return t.booleanLiteral(value);
+    }
+
+    if (value === null) {
+      return t.nullLiteral();
+    }
+
+    throw new Error(
+      "babel-plugin-inline-constants: cannot handle non-literal `" + value + "`"
+    );
+  };
+
+  const resolveAbsolute = (value, state, resolveExtensionIndex) => {
+    if (!state.filename) {
+      throw new TypeError(
+        "babel-plugin-inline-constants: expected a `filename` to be set for files"
+      );
+    }
+
+    if (resolveExtensions && resolveExtensionIndex !== undefined) {
+      value += resolveExtensions[resolveExtensionIndex];
+    }
+
+    try {
+      return require.resolve(value, { paths: [path.dirname(state.filename)] });
+    } catch (error) {
+      if (
+        error.code === "MODULE_NOT_FOUND" &&
+        resolveExtensions &&
+        (resolveExtensionIndex === undefined ||
+          resolveExtensionIndex < resolveExtensions.length - 1)
+      ) {
+        const resolveExtensionIdx = (resolveExtensionIndex || -1) + 1;
+        return resolveAbsolute(value, state, resolveExtensionIdx);
+      }
+
+      if (error.code === "MODULE_NOT_FOUND" && ignoreModuleNotFound) {
+        return undefined;
+      }
+      throw error;
+    }
+  };
+
+  const importDeclaration = (p, state) => {
+    if (p.node.type !== "ImportDeclaration") {
+      return;
+    }
+    const absolute =
+      hasRelativeModules && p.node.source.value.startsWith(".")
+        ? resolveAbsolute(p.node.source.value, state)
+        : p.node.source.value;
+
+    if (!absolute || !(absolute in modules)) {
+      return;
+    }
+
+    const module = modules[absolute];
+
+    for (const specifier of p.node.specifiers) {
+      if (
+        specifier.type === "ImportDefaultSpecifier" &&
+        specifier.local &&
+        specifier.local.type === "Identifier"
+      ) {
+        if (!("default" in module)) {
+          throw new Error(
+            "babel-plugin-inline-constants: cannot access default export from `" +
+              p.node.source.value +
+              "`"
+          );
+        }
+
+        const variableValue = toLiteral(module.default);
+        const variable = t.variableDeclarator(
+          t.identifier(specifier.local.name),
+          variableValue
+        );
+
+        p.insertBefore({
+          type: "VariableDeclaration",
+          kind: "const",
+          declarations: [variable],
+        });
+      } else if (
+        specifier.type === "ImportSpecifier" &&
+        specifier.imported &&
+        specifier.imported.type === "Identifier" &&
+        specifier.local &&
+        specifier.local.type === "Identifier"
+      ) {
+        if (!(specifier.imported.name in module)) {
+          throw new Error(
+            "babel-plugin-inline-constants: cannot access `" +
+              specifier.imported.name +
+              "` from `" +
+              p.node.source.value +
+              "`"
+          );
+        }
+
+        const variableValue = toLiteral(module[specifier.imported.name]);
+        const variable = t.variableDeclarator(
+          t.identifier(specifier.local.name),
+          variableValue
+        );
+
+        p.insertBefore({
+          type: "VariableDeclaration",
+          kind: "const",
+          declarations: [variable],
+        });
+      } else {
+        throw new Error("Cannot handle specifier `" + specifier.type + "`");
+      }
+    }
+    p.remove();
+  };
+
+  return {
+    visitor: {
+      ImportDeclaration: importDeclaration,
+    },
+  };
+};

build-scripts/bundle.js

@@ -1,11 +1,10 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
 const path = require("path");
 const env = require("./env.js");
 const paths = require("./paths.js");
 
 // Files from NPM Packages that should not be imported
 module.exports.ignorePackages = ({ latestBuild }) => [
-  // Bloats bundle and it's not used.
-  path.resolve(require.resolve("moment"), "../locale"),
   // Part of yaml.js and only used for !!js functions that we don't use
   require.resolve("esprima"),
 ];
@@ -19,7 +18,8 @@ module.exports.emptyPackages = ({ latestBuild }) =>
     require.resolve("@polymer/paper-styles/default-theme.js"),
     // Loads stuff from a CDN
     require.resolve("@polymer/font-roboto/roboto.js"),
-    require.resolve("@vaadin/vaadin-material-styles/font-roboto.js"),
+    require.resolve("@vaadin/vaadin-material-styles/typography.js"),
+    require.resolve("@vaadin/vaadin-material-styles/font-icons.js"),
     // Compatibility not needed for latest builds
     latestBuild &&
       // wrapped in require.resolve so it blows up if file no longer exists
@@ -51,17 +51,29 @@ module.exports.terserOptions = (latestBuild) => ({
 
 module.exports.babelOptions = ({ latestBuild }) => ({
   babelrc: false,
+  compact: false,
   presets: [
     !latestBuild && [
-      require("@babel/preset-env").default,
+      "@babel/preset-env",
       {
         useBuiltIns: "entry",
-        corejs: "3.6",
+        corejs: "3.15",
+        bugfixes: true,
       },
     ],
-    require("@babel/preset-typescript").default,
+    "@babel/preset-typescript",
   ].filter(Boolean),
   plugins: [
+    [
+      path.resolve(
+        paths.polymer_dir,
+        "build-scripts/babel-plugins/inline-constants-plugin.js"
+      ),
+      {
+        modules: ["@mdi/js"],
+        ignoreModuleNotFound: true,
+      },
+    ],
     // Part of ES2018. Converts {...a, b: 2} to Object.assign({}, a, {b: 2})
     !latestBuild && [
       "@babel/plugin-proposal-object-rest-spread",
@@ -72,23 +84,18 @@ module.exports.babelOptions = ({ latestBuild }) => ({
     "@babel/plugin-syntax-dynamic-import",
     "@babel/plugin-proposal-optional-chaining",
     "@babel/plugin-proposal-nullish-coalescing-operator",
-    [
-      require("@babel/plugin-proposal-decorators").default,
-      { decoratorsBeforeExport: true },
-    ],
-    [
-      require("@babel/plugin-proposal-class-properties").default,
-      { loose: true },
-    ],
+    ["@babel/plugin-proposal-decorators", { decoratorsBeforeExport: true }],
+    ["@babel/plugin-proposal-private-methods", { loose: true }],
+    ["@babel/plugin-proposal-private-property-in-object", { loose: true }],
+    ["@babel/plugin-proposal-class-properties", { loose: true }],
   ].filter(Boolean),
+  exclude: [
+    // \\ for Windows, / for Mac OS and Linux
+    /node_modules[\\/]core-js/,
+    /node_modules[\\/]webpack[\\/]buildin/,
+  ],
 });
 
-// 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

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

build-scripts/gulp/app.js

@@ -47,8 +47,8 @@ gulp.task(
     gulp.parallel("gen-icons-json", "build-translations"),
     "copy-static-app",
     env.useRollup() ? "rollup-prod-app" : "webpack-prod-app",
-    ...// Don't compress running tests
-    (env.isTest() ? [] : ["compress-app"]),
+    // Don't compress running tests
+    ...(env.isTest() ? [] : ["compress-app"]),
     gulp.parallel(
       "gen-pages-prod",
       "gen-index-app-prod",

build-scripts/gulp/entry-html.js

@@ -302,15 +302,23 @@ gulp.task("gen-index-hassio-prod", async () => {
 
 function writeHassioEntrypoint(latestEntrypoint, es5Entrypoint) {
   fs.mkdirSync(paths.hassio_output_root, { recursive: true });
+  // Safari 12 and below does not have a compliant ES2015 implementation of template literals, so we ship ES5
   fs.writeFileSync(
     path.resolve(paths.hassio_output_root, "entrypoint.js"),
     `
-try {
-  new Function("import('${latestEntrypoint}')")();
-} catch (err) {
+function loadES5() {
   var el = document.createElement('script');
   el.src = '${es5Entrypoint}';
   document.body.appendChild(el);
+}
+if (/.*Version\\/(?:11|12)(?:\\.\\d+)*.*Safari\\//.test(navigator.userAgent)) {
+    loadES5();
+} else {
+  try {
+    new Function("import('${latestEntrypoint}')")();
+  } catch (err) {
+    loadES5();
+  }
 }
   `,
     { encoding: "utf-8" }

build-scripts/gulp/gather-static.js

@@ -2,7 +2,6 @@
 
 const gulp = require("gulp");
 const path = require("path");
-const cpx = require("cpx");
 const fs = require("fs-extra");
 const paths = require("../paths");
 
@@ -13,8 +12,10 @@ const polyPath = (...parts) => path.resolve(paths.polymer_dir, ...parts);
 const copyFileDir = (fromFile, toDir) =>
   fs.copySync(fromFile, path.join(toDir, path.basename(fromFile)));
 
-const genStaticPath = (staticDir) => (...parts) =>
-  path.resolve(staticDir, ...parts);
+const genStaticPath =
+  (staticDir) =>
+  (...parts) =>
+    path.resolve(staticDir, ...parts);
 
 function copyTranslations(staticDir) {
   const staticPath = genStaticPath(staticDir);
@@ -62,9 +63,12 @@ function copyLoaderJS(staticDir) {
 function copyFonts(staticDir) {
   const staticPath = genStaticPath(staticDir);
   // Local fonts
-  cpx.copySync(
-    npmPath("roboto-fontface/fonts/roboto/*.woff2"),
-    staticPath("fonts/roboto")
+  fs.copySync(
+    npmPath("roboto-fontface/fonts/roboto/"),
+    staticPath("fonts/roboto/"),
+    {
+      filter: (src) => !src.includes(".") || src.endsWith(".woff2"),
+    }
   );
 }
 
@@ -85,6 +89,11 @@ gulp.task("copy-translations-app", async () => {
   copyTranslations(staticDir);
 });
 
+gulp.task("copy-translations-supervisor", async () => {
+  const staticDir = paths.hassio_output_static;
+  copyTranslations(staticDir);
+});
+
 gulp.task("copy-static-app", async () => {
   const staticDir = paths.app_output_static;
   // Basic static files

build-scripts/gulp/hassio.js

@@ -10,6 +10,8 @@ require("./gen-icons-json.js");
 require("./webpack.js");
 require("./compress.js");
 require("./rollup.js");
+require("./gather-static.js");
+require("./translations.js");
 
 gulp.task(
   "develop-hassio",
@@ -20,6 +22,8 @@ gulp.task(
     "clean-hassio",
     "gen-icons-json",
     "gen-index-hassio-dev",
+    "build-supervisor-translations",
+    "copy-translations-supervisor",
     env.useRollup() ? "rollup-watch-hassio" : "webpack-watch-hassio"
   )
 );
@@ -32,6 +36,8 @@ gulp.task(
     },
     "clean-hassio",
     "gen-icons-json",
+    "build-supervisor-translations",
+    "copy-translations-supervisor",
     env.useRollup() ? "rollup-prod-hassio" : "webpack-prod-hassio",
     "gen-index-hassio-prod",
     ...// Don't compress running tests

build-scripts/gulp/translations.js

@@ -266,6 +266,7 @@ gulp.task(taskName, function () {
         TRANSLATION_FRAGMENTS.forEach((fragment) => {
           delete data.ui.panel[fragment];
         });
+        delete data.supervisor;
         return data;
       })
     )
@@ -342,6 +343,62 @@ gulp.task(
   }
 );
 
+gulp.task("build-translation-fragment-supervisor", function () {
+  return gulp
+    .src(fullDir + "/*.json")
+    .pipe(transform((data) => data.supervisor))
+    .pipe(gulp.dest(workDir + "/supervisor"));
+});
+
+gulp.task("build-translation-flatten-supervisor", function () {
+  return gulp
+    .src(workDir + "/supervisor/*.json")
+    .pipe(
+      transform(function (data) {
+        // Polymer.AppLocalizeBehavior requires flattened json
+        return flatten(data);
+      })
+    )
+    .pipe(gulp.dest(outDir));
+});
+
+gulp.task("build-translation-write-metadata", function writeMetadata() {
+  return gulp
+    .src(
+      [
+        path.join(paths.translations_src, "translationMetadata.json"),
+        workDir + "/testMetadata.json",
+        workDir + "/translationFingerprints.json",
+      ],
+      { allowEmpty: true }
+    )
+    .pipe(merge({}))
+    .pipe(
+      transform(function (data) {
+        const newData = {};
+        Object.entries(data).forEach(([key, value]) => {
+          // Filter out translations without native name.
+          if (value.nativeName) {
+            newData[key] = value;
+          } else {
+            console.warn(
+              `Skipping language ${key}. Native name was not translated.`
+            );
+          }
+        });
+        return newData;
+      })
+    )
+    .pipe(
+      transform((data) => ({
+        fragments: TRANSLATION_FRAGMENTS,
+        translations: data,
+      }))
+    )
+    .pipe(rename("translationMetadata.json"))
+    .pipe(gulp.dest(workDir));
+});
+
 gulp.task(
   "build-translations",
   gulp.series(
@@ -353,42 +410,20 @@ gulp.task(
     gulp.parallel(...splitTasks),
     "build-flattened-translations",
     "build-translation-fingerprints",
-    function writeMetadata() {
-      return gulp
-        .src(
-          [
-            path.join(paths.translations_src, "translationMetadata.json"),
-            workDir + "/testMetadata.json",
-            workDir + "/translationFingerprints.json",
-          ],
-          { allowEmpty: true }
-        )
-        .pipe(merge({}))
-        .pipe(
-          transform(function (data) {
-            const newData = {};
-            Object.entries(data).forEach(([key, value]) => {
-              // Filter out translations without native name.
-              if (data[key].nativeName) {
-                newData[key] = data[key];
-              } else {
-                console.warn(
-                  `Skipping language ${key}. Native name was not translated.`
-                );
-              }
-              if (data[key]) newData[key] = value;
-            });
-            return newData;
-          })
-        )
-        .pipe(
-          transform((data) => ({
-            fragments: TRANSLATION_FRAGMENTS,
-            translations: data,
-          }))
-        )
-        .pipe(rename("translationMetadata.json"))
-        .pipe(gulp.dest(workDir));
-    }
+    "build-translation-write-metadata"
+  )
+);
+
+gulp.task(
+  "build-supervisor-translations",
+  gulp.series(
+    "clean-translations",
+    "ensure-translations-build-dir",
+    "build-master-translation",
+    "build-merged-translations",
+    "build-translation-fragment-supervisor",
+    "build-translation-flatten-supervisor",
+    "build-translation-fingerprints",
+    "build-translation-write-metadata"
   )
 );

build-scripts/gulp/webpack.js

@@ -1,4 +1,5 @@
 // Tasks to run webpack.
+const fs = require("fs");
 const gulp = require("gulp");
 const webpack = require("webpack");
 const WebpackDevServer = require("webpack-dev-server");
@@ -18,6 +19,13 @@ const bothBuilds = (createConfigFunc, params) => [
   createConfigFunc({ ...params, latestBuild: false }),
 ];
 
+const isWsl =
+  fs.existsSync("/proc/version") &&
+  fs
+    .readFileSync("/proc/version", "utf-8")
+    .toLocaleLowerCase()
+    .includes("microsoft");
+
 /**
  * @param {{
  *   compiler: import("webpack").Compiler,
@@ -78,8 +86,15 @@ 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/ },
+  webpack(
+    process.env.ES5
+      ? bothBuilds(createAppConfig, { isProdBuild: false })
+      : createAppConfig({ isProdBuild: false, latestBuild: true })
+  ).watch(
+    {
+      ignored: /build-translations/,
+      poll: isWsl,
+    },
     doneHandler()
   );
   gulp.watch(
@@ -137,7 +152,12 @@ gulp.task("webpack-watch-hassio", () => {
       isProdBuild: false,
       latestBuild: true,
     })
-  ).watch({}, doneHandler());
+  ).watch({ ignored: /build-translations/, poll: isWsl }, doneHandler());
+
+  gulp.watch(
+    path.join(paths.translations_src, "en.json"),
+    gulp.series("build-supervisor-translations", "copy-translations-supervisor")
+  );
 });
 
 gulp.task("webpack-prod-hassio", () =>

build-scripts/paths.js

@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
 const path = require("path");
 
 module.exports = {
@@ -34,6 +35,7 @@ module.exports = {
 
   hassio_dir: path.resolve(__dirname, "../hassio"),
   hassio_output_root: path.resolve(__dirname, "../hassio/build"),
+  hassio_output_static: path.resolve(__dirname, "../hassio/build/static"),
   hassio_output_latest: path.resolve(
     __dirname,
     "../hassio/build/frontend_latest"

build-scripts/rollup.js

@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
 const path = require("path");
 
 const commonjs = require("@rollup/plugin-commonjs");
@@ -32,88 +33,77 @@ const createRollupConfig = ({
   publicPath,
   dontHash,
   isWDS,
-}) => {
-  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 }),
+}) => ({
+  /**
+   * @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,
         }),
-        resolve({
-          extensions,
-          preferBuiltins: false,
-          browser: true,
-          rootDir: paths.polymer_dir,
+      !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,
         }),
-        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",
-    },
-  };
-};
+    ].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 }) => {
-  return createRollupConfig(
+const createAppConfig = ({ isProdBuild, latestBuild, isStatsBuild, isWDS }) =>
+  createRollupConfig(
     bundle.config.app({
       isProdBuild,
       latestBuild,
@@ -121,31 +111,24 @@ const createAppConfig = ({ isProdBuild, latestBuild, isStatsBuild, isWDS }) => {
       isWDS,
     })
   );
-};
 
-const createDemoConfig = ({ isProdBuild, latestBuild, isStatsBuild }) => {
-  return createRollupConfig(
+const createDemoConfig = ({ isProdBuild, latestBuild, isStatsBuild }) =>
+  createRollupConfig(
     bundle.config.demo({
       isProdBuild,
       latestBuild,
       isStatsBuild,
     })
   );
-};
 
-const createCastConfig = ({ isProdBuild, latestBuild }) => {
-  return createRollupConfig(bundle.config.cast({ isProdBuild, latestBuild }));
-};
+const createCastConfig = ({ isProdBuild, latestBuild }) =>
+  createRollupConfig(bundle.config.cast({ isProdBuild, latestBuild }));
 
-const createHassioConfig = ({ isProdBuild, latestBuild }) => {
-  return createRollupConfig(bundle.config.hassio({ isProdBuild, latestBuild }));
-};
+const createHassioConfig = ({ isProdBuild, latestBuild }) =>
+  createRollupConfig(bundle.config.hassio({ isProdBuild, latestBuild }));
 
-const createGalleryConfig = ({ isProdBuild, latestBuild }) => {
-  return createRollupConfig(
-    bundle.config.gallery({ isProdBuild, latestBuild })
-  );
-};
+const createGalleryConfig = ({ isProdBuild, latestBuild }) =>
+  createRollupConfig(bundle.config.gallery({ isProdBuild, latestBuild }));
 
 module.exports = {
   createAppConfig,

build-scripts/util.js

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

build-scripts/webpack.js

@@ -1,9 +1,10 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
 const webpack = require("webpack");
 const path = require("path");
 const TerserPlugin = require("terser-webpack-plugin");
-const ManifestPlugin = require("webpack-manifest-plugin");
+const { WebpackManifestPlugin } = require("webpack-manifest-plugin");
 const paths = require("./paths.js");
-const bundle = require("./bundle");
+const bundle = require("./bundle.js");
 const log = require("fancy-log");
 
 class LogStartCompilePlugin {
@@ -46,15 +47,18 @@ const createWebpackConfig = ({
       rules: [
         {
           test: /\.m?js$|\.ts$/,
-          exclude: bundle.babelExclude(),
           use: {
             loader: "babel-loader",
-            options: bundle.babelOptions({ latestBuild }),
+            options: {
+              ...bundle.babelOptions({ latestBuild }),
+              cacheDirectory: !isProdBuild,
+              cacheCompression: false,
+            },
           },
         },
         {
           test: /\.css$/,
-          use: "raw-loader",
+          type: "asset/source",
         },
       ],
     },
@@ -66,9 +70,11 @@ const createWebpackConfig = ({
           terserOptions: bundle.terserOptions(latestBuild),
         }),
       ],
+      moduleIds: isProdBuild && !isStatsBuild ? "deterministic" : "named",
+      chunkIds: isProdBuild && !isStatsBuild ? "deterministic" : "named",
     },
     plugins: [
-      new ManifestPlugin({
+      new WebpackManifestPlugin({
         // Only include the JS of entrypoints
         filter: (file) => file.isInitial && !file.name.endsWith(".map"),
       }),
@@ -94,6 +100,7 @@ const createWebpackConfig = ({
               ? path.resolve(context, resource)
               : require.resolve(resource);
           } catch (err) {
+            // eslint-disable-next-line no-console
             console.error(
               "Error in Home Assistant ignore plugin",
               resource,
@@ -111,31 +118,25 @@ const createWebpackConfig = ({
         new RegExp(bundle.emptyPackages({ latestBuild }).join("|")),
         path.resolve(paths.polymer_dir, "src/util/empty.js")
       ),
-      // We need to change the import of the polyfill for EventTarget, so we replace the polyfill file with our customized one
-      new webpack.NormalModuleReplacementPlugin(
-        new RegExp(
-          require.resolve(
-            "lit-virtualizer/lib/uni-virtualizer/lib/polyfillLoaders/EventTarget.js"
-          )
-        ),
-        path.resolve(paths.polymer_dir, "src/resources/EventTarget-ponyfill.js")
-      ),
       !isProdBuild && new LogStartCompilePlugin(),
     ].filter(Boolean),
     resolve: {
       extensions: [".ts", ".js", ".json"],
+      alias: {
+        "lit/decorators$": "lit/decorators.js",
+        "lit/directive$": "lit/directive.js",
+        "lit/polyfill-support$": "lit/polyfill-support.js",
+      },
     },
     output: {
       filename: ({ chunk }) => {
-        if (!isProdBuild || dontHash.has(chunk.name)) {
+        if (!isProdBuild || isStatsBuild || dontHash.has(chunk.name)) {
           return `${chunk.name}.js`;
         }
         return `${chunk.name}.${chunk.hash.substr(0, 8)}.js`;
       },
       chunkFilename:
-        isProdBuild && !isStatsBuild
-          ? "chunk.[chunkhash].js"
-          : "[name].chunk.js",
+        isProdBuild && !isStatsBuild ? "[chunkhash:8].js" : "[id].chunk.js",
       path: outputPath,
       publicPath,
       // To silence warning in worker plugin
@@ -144,33 +145,24 @@ const createWebpackConfig = ({
   };
 };
 
-const createAppConfig = ({ isProdBuild, latestBuild, isStatsBuild }) => {
-  return createWebpackConfig(
+const createAppConfig = ({ isProdBuild, latestBuild, isStatsBuild }) =>
+  createWebpackConfig(
     bundle.config.app({ isProdBuild, latestBuild, isStatsBuild })
   );
-};
 
-const createDemoConfig = ({ isProdBuild, latestBuild, isStatsBuild }) => {
-  return createWebpackConfig(
+const createDemoConfig = ({ isProdBuild, latestBuild, isStatsBuild }) =>
+  createWebpackConfig(
     bundle.config.demo({ isProdBuild, latestBuild, isStatsBuild })
   );
-};
 
-const createCastConfig = ({ isProdBuild, latestBuild }) => {
-  return createWebpackConfig(bundle.config.cast({ isProdBuild, latestBuild }));
-};
+const createCastConfig = ({ isProdBuild, latestBuild }) =>
+  createWebpackConfig(bundle.config.cast({ isProdBuild, latestBuild }));
 
-const createHassioConfig = ({ isProdBuild, latestBuild }) => {
-  return createWebpackConfig(
-    bundle.config.hassio({ isProdBuild, latestBuild })
-  );
-};
+const createHassioConfig = ({ isProdBuild, latestBuild }) =>
+  createWebpackConfig(bundle.config.hassio({ isProdBuild, latestBuild }));
 
-const createGalleryConfig = ({ isProdBuild, latestBuild }) => {
-  return createWebpackConfig(
-    bundle.config.gallery({ isProdBuild, latestBuild })
-  );
-};
+const createGalleryConfig = ({ isProdBuild, latestBuild }) =>
+  createWebpackConfig(bundle.config.gallery({ isProdBuild, latestBuild }));
 
 module.exports = {
   createAppConfig,

cast/src/html/launcher-faq.html.template

@@ -139,7 +139,7 @@
           Your authentication credentials or Home Assistant url are never sent
           to the Cloud. You can validate this behavior in
           <a
-            href="https://github.com/home-assistant/home-assistant-polymer/tree/dev/cast"
+            href="https://github.com/home-assistant/frontend/tree/dev/cast"
             target="_blank"
             >the source code</a
           >.

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

@@ -1,16 +1,9 @@
+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,
-  CSSResult,
-  customElement,
-  html,
-  LitElement,
-  property,
-  internalProperty,
-  TemplateResult,
-} from "lit-element";
+import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
+import { customElement, property, state } from "lit/decorators";
 import { CastManager } from "../../../../src/cast/cast_manager";
 import {
   castSendShowLovelaceView,
@@ -32,7 +25,6 @@ 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 {
@@ -42,9 +34,9 @@ class HcCast extends LitElement {
 
   @property() public castManager!: CastManager;
 
-  @internalProperty() private askWrite = false;
+  @state() private askWrite = false;
 
-  @internalProperty() private lovelaceConfig?: LovelaceConfig | null;
+  @state() private lovelaceConfig?: LovelaceConfig | null;
 
   protected render(): TemplateResult {
     if (this.lovelaceConfig === undefined) {
@@ -54,9 +46,7 @@ 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;
 
@@ -206,7 +196,7 @@ class HcCast extends LitElement {
     }
   }
 
-  static get styles(): CSSResult {
+  static get styles(): CSSResultGroup {
     return css`
       .center-item {
         display: flex;

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

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

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

@@ -4,15 +4,8 @@ import {
   getUser,
   HassUser,
 } from "home-assistant-js-websocket";
-import {
-  css,
-  CSSResult,
-  customElement,
-  html,
-  LitElement,
-  property,
-  TemplateResult,
-} from "lit-element";
+import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
+import { customElement, property } from "lit/decorators";
 import "../../../../src/components/ha-card";
 
 @customElement("hc-layout")
@@ -69,7 +62,7 @@ class HcLayout extends LitElement {
     }
   }
 
-  static get styles(): CSSResult {
+  static get styles(): CSSResultGroup {
     return css`
       :host {
         display: flex;
@@ -100,7 +93,7 @@ class HcLayout extends LitElement {
         display: block;
         margin: 0;
       }
-	
+
       .hero {
         border-radius: 4px 4px 0 0;
       }

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

@@ -5,8 +5,8 @@ import {
 import { castContext } from "../cast_context";
 
 export const castDemoLovelace: () => LovelaceConfig = () => {
-  const touchSupported = castContext.getDeviceCapabilities()
-    .touch_input_supported;
+  const touchSupported =
+    castContext.getDeviceCapabilities().touch_input_supported;
   return {
     views: [
       {

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

@@ -1,10 +1,5 @@
-import {
-  customElement,
-  html,
-  internalProperty,
-  property,
-  TemplateResult,
-} from "lit-element";
+import { html, TemplateResult } from "lit";
+import { customElement, property, state } from "lit/decorators";
 import { mockHistory } from "../../../../demo/src/stubs/history";
 import { LovelaceConfig } from "../../../../src/data/lovelace";
 import {
@@ -21,7 +16,7 @@ import "./hc-lovelace";
 class HcDemo extends HassElement {
   @property({ attribute: false }) public lovelacePath!: string;
 
-  @internalProperty() private _lovelaceConfig?: LovelaceConfig;
+  @state() private _lovelaceConfig?: LovelaceConfig;
 
   protected render(): TemplateResult {
     if (!this._lovelaceConfig) {
@@ -38,10 +33,10 @@ class HcDemo extends HassElement {
 
   protected firstUpdated(changedProps) {
     super.firstUpdated(changedProps);
-    this._initialize();
+    this._initializeHass();
   }
 
-  private async _initialize() {
+  private async _initializeHass() {
     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

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

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

@@ -1,12 +1,5 @@
-import {
-  css,
-  CSSResult,
-  customElement,
-  html,
-  LitElement,
-  property,
-  TemplateResult,
-} from "lit-element";
+import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
+import { customElement, property } from "lit/decorators";
 import { LovelaceConfig } from "../../../../src/data/lovelace";
 import { Lovelace } from "../../../../src/panels/lovelace/types";
 import "../../../../src/panels/lovelace/views/hui-view";
@@ -35,11 +28,12 @@ class HcLovelace extends LitElement {
     }
     const lovelace: Lovelace = {
       config: this.lovelaceConfig,
+      rawConfig: this.lovelaceConfig,
       editMode: false,
       urlPath: this.urlPath!,
       enableFullEditMode: () => undefined,
       mode: "storage",
-      language: "en",
+      locale: this.hass.locale,
       saveConfig: async () => undefined,
       deleteConfig: async () => undefined,
       setEditMode: () => undefined,
@@ -90,10 +84,11 @@ class HcLovelace extends LitElement {
     return undefined;
   }
 
-  static get styles(): CSSResult {
+  static get styles(): CSSResultGroup {
     return css`
       :host {
         min-height: 100vh;
+        height: 0;
         display: flex;
         flex-direction: column;
         box-sizing: border-box;

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

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

demo/src/configs/arsaboo/entities.ts

@@ -246,11 +246,15 @@ export const demoEntitiesArsaboo: DemoConfig["entities"] = (localize) =>
 
     "light.living_room_lights": {
       entity_id: "light.living_room_lights",
-      state: "off",
+      state: "on",
       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,
       },
     },
@@ -263,13 +267,27 @@ 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: {
-        friendly_name: "Kitchen Lights",
+        supported_color_modes: ["brightness"],
+        friendly_name: "Garage Lights",
         supported_features: 1,
       },
     },
-
     "sensor.plexspy": {
       entity_id: "sensor.plexspy",
       state: "0",
@@ -482,16 +500,6 @@ 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/arsaboo/lovelace.ts

@@ -29,6 +29,11 @@ export const demoLovelaceArsaboo: DemoConfig["lovelace"] = (localize) => ({
             },
           ],
         },
+        {
+          title: "Energy distribution today",
+          type: "energy-distribution",
+          link_dashboard: true,
+        },
         {
           type: "thermostat",
           entity: "climate.upstairs",
@@ -113,8 +118,7 @@ export const demoLovelaceArsaboo: DemoConfig["lovelace"] = (localize) => ({
                 on: "/assets/arsaboo/icons/light_bulb_on.png",
               },
               state_filter: {
-                on:
-                  "brightness(130%) saturate(1.5) drop-shadow(0px 0px 10px gold)",
+                on: "brightness(130%) saturate(1.5) drop-shadow(0px 0px 10px gold)",
                 off: "brightness(80%) saturate(0.8)",
               },
               style: {
@@ -196,8 +200,7 @@ export const demoLovelaceArsaboo: DemoConfig["lovelace"] = (localize) => ({
                 on: "/assets/arsaboo/icons/light_bulb_on.png",
               },
               state_filter: {
-                on:
-                  "brightness(130%) saturate(1.5) drop-shadow(0px 0px 10px gold)",
+                on: "brightness(130%) saturate(1.5) drop-shadow(0px 0px 10px gold)",
                 off: "brightness(80%) saturate(0.8)",
               },
               style: {
@@ -277,8 +280,7 @@ export const demoLovelaceArsaboo: DemoConfig["lovelace"] = (localize) => ({
                 on: "/assets/arsaboo/icons/light_bulb_on.png",
               },
               state_filter: {
-                on:
-                  "brightness(130%) saturate(1.5) drop-shadow(0px 0px 10px gold)",
+                on: "brightness(130%) saturate(1.5) drop-shadow(0px 0px 10px gold)",
                 off: "brightness(80%) saturate(0.8)",
               },
               style: {
@@ -315,8 +317,7 @@ export const demoLovelaceArsaboo: DemoConfig["lovelace"] = (localize) => ({
                 on: "/assets/arsaboo/icons/light_bulb_on.png",
               },
               state_filter: {
-                on:
-                  "brightness(130%) saturate(1.5) drop-shadow(0px 0px 10px gold)",
+                on: "brightness(130%) saturate(1.5) drop-shadow(0px 0px 10px gold)",
                 off: "brightness(80%) saturate(0.8)",
               },
               style: {

demo/src/configs/demo-configs.ts

@@ -1,5 +1,6 @@
 import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 import { Lovelace } from "../../../src/panels/lovelace/types";
+import { energyEntities } from "../stubs/entities";
 import { DemoConfig } from "./types";
 
 export const demoConfigs: Array<() => Promise<DemoConfig>> = [
@@ -12,9 +13,8 @@ export const demoConfigs: Array<() => Promise<DemoConfig>> = [
 // eslint-disable-next-line import/no-mutable-exports
 export let selectedDemoConfigIndex = 0;
 // eslint-disable-next-line import/no-mutable-exports
-export let selectedDemoConfig: Promise<DemoConfig> = demoConfigs[
-  selectedDemoConfigIndex
-]();
+export let selectedDemoConfig: Promise<DemoConfig> =
+  demoConfigs[selectedDemoConfigIndex]();
 
 export const setDemoConfig = async (
   hass: MockHomeAssistant,
@@ -28,6 +28,7 @@ export const setDemoConfig = async (
   selectedDemoConfig = confProm;
 
   hass.addEntities(config.entities(hass.localize), true);
+  hass.addEntities(energyEntities());
   lovelace.saveConfig(config.lovelace(hass.localize));
   hass.mockTheme(config.theme());
 };

demo/src/configs/teachingbirds/entities.ts

@@ -980,8 +980,7 @@ export const demoEntitiesTeachingbirds: DemoConfig["entities"] = () =>
         icon: "mdi:account-off",
         custom_ui_state_card: "state-card-custom-ui",
         templates: {
-          icon:
-            "if (state === 'on') return 'mdi:account'; else if (state === 'off') return 'mdi:account-off';\n",
+          icon: "if (state === 'on') return 'mdi:account'; else if (state === 'off') return 'mdi:account-off';\n",
           icon_color:
             "if (state === 'on') return 'rgb(56, 150, 56)'; else if (state === 'off') return 'rgb(249, 251, 255)';\n",
         },
@@ -1005,8 +1004,7 @@ export const demoEntitiesTeachingbirds: DemoConfig["entities"] = () =>
         icon: "mdi:account-multiple-minus",
         custom_ui_state_card: "state-card-custom-ui",
         templates: {
-          icon:
-            "if (state === 'on') return 'mdi:account-group'; else if (state === 'off') return 'mdi:account-multiple-minus';\n",
+          icon: "if (state === 'on') return 'mdi:account-group'; else if (state === 'off') return 'mdi:account-multiple-minus';\n",
           icon_color:
             "if (state === 'on') return 'rgb(56, 150, 56)'; else if (state === 'off') return 'rgb(249, 251, 255)';\n",
         },
@@ -1114,6 +1112,9 @@ 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",
@@ -1125,6 +1126,7 @@ 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",
       },
@@ -1136,6 +1138,8 @@ 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",
       },
@@ -1148,6 +1152,8 @@ 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,
@@ -1307,6 +1313,7 @@ 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,
@@ -1320,6 +1327,7 @@ 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,
@@ -1335,6 +1343,8 @@ 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",
@@ -1349,6 +1359,7 @@ 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",
@@ -1363,6 +1374,8 @@ 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",
@@ -1377,6 +1390,7 @@ 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",
       },
@@ -1387,6 +1401,7 @@ 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",
       },
@@ -1753,6 +1768,7 @@ 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",
       },
@@ -1768,6 +1784,7 @@ 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",
       },
@@ -1783,6 +1800,7 @@ 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",
       },
@@ -1799,6 +1817,7 @@ 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",
       },
@@ -1843,6 +1862,7 @@ 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

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

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

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

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

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

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

@@ -1,14 +1,7 @@
 import "@material/mwc-button";
-import {
-  css,
-  CSSResult,
-  html,
-  internalProperty,
-  LitElement,
-  property,
-  TemplateResult,
-} from "lit-element";
-import { until } from "lit-html/directives/until";
+import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
+import { property, state } from "lit/decorators";
+import { until } from "lit/directives/until";
 import "../../../src/components/ha-card";
 import "../../../src/components/ha-circular-progress";
 import { LovelaceCardConfig } from "../../../src/data/lovelace";
@@ -26,7 +19,7 @@ export class HADemoCard extends LitElement implements LovelaceCard {
 
   @property({ attribute: false }) public hass!: MockHomeAssistant;
 
-  @internalProperty() private _switching?: boolean;
+  @state() private _switching = false;
 
   private _hidden = localStorage.hide_demo_card;
 
@@ -34,12 +27,7 @@ export class HADemoCard extends LitElement implements LovelaceCard {
     return this._hidden ? 0 : 2;
   }
 
-  public setConfig(
-    // @ts-ignore
-    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-    config: LovelaceCardConfig
-    // eslint-disable-next-line @typescript-eslint/no-empty-function
-  ) {}
+  public setConfig(_config: LovelaceCardConfig) {}
 
   protected render(): TemplateResult {
     if (this._hidden) {
@@ -113,7 +101,7 @@ export class HADemoCard extends LitElement implements LovelaceCard {
     }
   }
 
-  static get styles(): CSSResult[] {
+  static get styles(): CSSResultGroup {
     return [
       css`
         a {

demo/src/entrypoint.ts

@@ -1,5 +1,3 @@
-import "@polymer/polymer/lib/elements/dom-if";
-import "@polymer/polymer/lib/elements/dom-repeat";
 import "../../src/resources/ha-style";
 import "../../src/resources/roboto";
 import "../../src/resources/safari-14-attachshadow-patch";

demo/src/ha-demo.ts

@@ -20,11 +20,15 @@ import { mockShoppingList } from "./stubs/shopping_list";
 import { mockSystemLog } from "./stubs/system_log";
 import { mockTemplate } from "./stubs/template";
 import { mockTranslations } from "./stubs/translations";
+import { mockEnergy } from "./stubs/energy";
+import { mockConfig } from "./stubs/config";
+import { energyEntities } from "./stubs/entities";
+import { mockForecastSolar } from "./stubs/forecast_solar";
 
 class HaDemo extends HomeAssistantAppEl {
-  protected async _initialize() {
+  protected async _initializeHass() {
     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),
@@ -47,8 +51,13 @@ class HaDemo extends HomeAssistantAppEl {
     mockEvents(hass);
     mockMediaPlayer(hass);
     mockFrontend(hass);
+    mockEnergy(hass);
+    mockForecastSolar(hass);
+    mockConfig(hass);
     mockPersistentNotification(hass);
 
+    hass.addEntities(energyEntities());
+
     // Once config is loaded AND localize, set entities and apply theme.
     Promise.all([selectedDemoConfig, localizePromise]).then(
       ([conf, localize]) => {
@@ -70,7 +79,7 @@ class HaDemo extends HomeAssistantAppEl {
         }
 
         e.preventDefault();
-        navigate(this, href);
+        navigate(href);
       },
       { capture: true }
     );

demo/src/stubs/config.ts

@@ -0,0 +1,41 @@
+import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+
+export const mockConfig = (hass: MockHomeAssistant) => {
+  hass.mockAPI("config/config_entries/entry", () => [
+    {
+      entry_id: "co2signal",
+      domain: "co2signal",
+      title: "CO2 Signal",
+      source: "user",
+      state: "loaded",
+      supports_options: false,
+      supports_unload: true,
+      pref_disable_new_entities: false,
+      pref_disable_polling: false,
+      disabled_by: null,
+      reason: null,
+    },
+  ]);
+  hass.mockWS("config/entity_registry/list", () => [
+    {
+      config_entry_id: "co2signal",
+      device_id: "co2signal",
+      area_id: null,
+      disabled_by: null,
+      entity_id: "sensor.co2_intensity",
+      name: null,
+      icon: null,
+      platform: "co2signal",
+    },
+    {
+      config_entry_id: "co2signal",
+      device_id: "co2signal",
+      area_id: null,
+      disabled_by: null,
+      entity_id: "sensor.grid_fossil_fuel_percentage",
+      name: null,
+      icon: null,
+      platform: "co2signal",
+    },
+  ]);
+};

demo/src/stubs/energy.ts

@@ -0,0 +1,83 @@
+import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+
+export const mockEnergy = (hass: MockHomeAssistant) => {
+  hass.mockWS("energy/get_prefs", () => ({
+    energy_sources: [
+      {
+        type: "grid",
+        flow_from: [
+          {
+            stat_energy_from: "sensor.energy_consumption_tarif_1",
+            stat_cost: "sensor.energy_consumption_tarif_1_cost",
+            entity_energy_from: "sensor.energy_consumption_tarif_1",
+            entity_energy_price: null,
+            number_energy_price: null,
+          },
+          {
+            stat_energy_from: "sensor.energy_consumption_tarif_2",
+            stat_cost: "sensor.energy_consumption_tarif_2_cost",
+            entity_energy_from: "sensor.energy_consumption_tarif_2",
+            entity_energy_price: null,
+            number_energy_price: null,
+          },
+        ],
+        flow_to: [
+          {
+            stat_energy_to: "sensor.energy_production_tarif_1",
+            stat_compensation: "sensor.energy_production_tarif_1_compensation",
+            entity_energy_to: "sensor.energy_production_tarif_1",
+            entity_energy_price: null,
+            number_energy_price: null,
+          },
+          {
+            stat_energy_to: "sensor.energy_production_tarif_2",
+            stat_compensation: "sensor.energy_production_tarif_2_compensation",
+            entity_energy_to: "sensor.energy_production_tarif_2",
+            entity_energy_price: null,
+            number_energy_price: null,
+          },
+        ],
+        cost_adjustment_day: 0,
+      },
+      {
+        type: "solar",
+        stat_energy_from: "sensor.solar_production",
+        config_entry_solar_forecast: ["solar_forecast"],
+      },
+      /* {
+        type: "battery",
+        stat_energy_from: "sensor.battery_output",
+        stat_energy_to: "sensor.battery_input",
+      }, */
+      {
+        type: "gas",
+        stat_energy_from: "sensor.energy_gas",
+        stat_cost: "sensor.energy_gas_cost",
+        entity_energy_from: "sensor.energy_gas",
+        entity_energy_price: null,
+        number_energy_price: null,
+      },
+    ],
+    device_consumption: [
+      {
+        stat_consumption: "sensor.energy_car",
+      },
+      {
+        stat_consumption: "sensor.energy_ac",
+      },
+      {
+        stat_consumption: "sensor.energy_washing_machine",
+      },
+      {
+        stat_consumption: "sensor.energy_dryer",
+      },
+      {
+        stat_consumption: "sensor.energy_heat_pump",
+      },
+      {
+        stat_consumption: "sensor.energy_boiler",
+      },
+    ],
+  }));
+  hass.mockWS("energy/info", () => ({ cost_sensors: [] }));
+};

demo/src/stubs/entities.ts

@@ -0,0 +1,178 @@
+import { convertEntities } from "../../../src/fake_data/entity";
+
+export const energyEntities = () =>
+  convertEntities({
+    "sensor.grid_fossil_fuel_percentage": {
+      entity_id: "sensor.grid_fossil_fuel_percentage",
+      state: "88.6",
+      attributes: {
+        unit_of_measurement: "%",
+      },
+    },
+    "sensor.solar_production": {
+      entity_id: "sensor.solar_production",
+      state: "88.6",
+      attributes: {
+        last_reset: "1970-01-01T00:00:00:00+00",
+        friendly_name: "Solar",
+        unit_of_measurement: "kWh",
+      },
+    },
+    "sensor.battery_input": {
+      entity_id: "sensor.battery_input",
+      state: "4",
+      attributes: {
+        last_reset: "1970-01-01T00:00:00:00+00",
+        friendly_name: "Battery Input",
+        unit_of_measurement: "kWh",
+      },
+    },
+    "sensor.battery_output": {
+      entity_id: "sensor.battery_output",
+      state: "3",
+      attributes: {
+        last_reset: "1970-01-01T00:00:00:00+00",
+        friendly_name: "Battery Output",
+        unit_of_measurement: "kWh",
+      },
+    },
+    "sensor.energy_consumption_tarif_1": {
+      entity_id: "sensor.energy_consumption_tarif_1	",
+      state: "88.6",
+      attributes: {
+        last_reset: "1970-01-01T00:00:00:00+00",
+        friendly_name: "Grid consumption low tariff",
+        unit_of_measurement: "kWh",
+      },
+    },
+    "sensor.energy_consumption_tarif_2": {
+      entity_id: "sensor.energy_consumption_tarif_2",
+      state: "88.6",
+      attributes: {
+        last_reset: "1970-01-01T00:00:00:00+00",
+        friendly_name: "Grid consumption high tariff",
+        unit_of_measurement: "kWh",
+      },
+    },
+    "sensor.energy_production_tarif_1": {
+      entity_id: "sensor.energy_production_tarif_1",
+      state: "88.6",
+      attributes: {
+        last_reset: "1970-01-01T00:00:00:00+00",
+        friendly_name: "Returned to grid low tariff",
+        unit_of_measurement: "kWh",
+      },
+    },
+    "sensor.energy_production_tarif_2": {
+      entity_id: "sensor.energy_production_tarif_2",
+      state: "88.6",
+      attributes: {
+        last_reset: "1970-01-01T00:00:00:00+00",
+        friendly_name: "Returned to grid high tariff",
+        unit_of_measurement: "kWh",
+      },
+    },
+    "sensor.energy_consumption_tarif_1_cost": {
+      entity_id: "sensor.energy_consumption_tarif_1_cost",
+      state: "2",
+      attributes: {
+        last_reset: "1970-01-01T00:00:00:00+00",
+        unit_of_measurement: "EUR",
+      },
+    },
+    "sensor.energy_consumption_tarif_2_cost": {
+      entity_id: "sensor.energy_consumption_tarif_2_cost",
+      state: "2",
+      attributes: {
+        last_reset: "1970-01-01T00:00:00:00+00",
+        unit_of_measurement: "EUR",
+      },
+    },
+    "sensor.energy_production_tarif_1_compensation": {
+      entity_id: "sensor.energy_production_tarif_1_compensation",
+      state: "2",
+      attributes: {
+        last_reset: "1970-01-01T00:00:00:00+00",
+        unit_of_measurement: "EUR",
+      },
+    },
+    "sensor.energy_production_tarif_2_compensation": {
+      entity_id: "sensor.energy_production_tarif_2_compensation",
+      state: "2",
+      attributes: {
+        last_reset: "1970-01-01T00:00:00:00+00",
+        unit_of_measurement: "EUR",
+      },
+    },
+    "sensor.energy_gas_cost": {
+      entity_id: "sensor.energy_gas_cost",
+      state: "2",
+      attributes: {
+        last_reset: "1970-01-01T00:00:00:00+00",
+        unit_of_measurement: "EUR",
+      },
+    },
+    "sensor.energy_gas": {
+      entity_id: "sensor.energy_gas",
+      state: "4",
+      attributes: {
+        last_reset: "1970-01-01T00:00:00:00+00",
+        friendly_name: "Gas",
+        unit_of_measurement: "m³",
+      },
+    },
+    "sensor.energy_car": {
+      entity_id: "sensor.energy_car",
+      state: "4",
+      attributes: {
+        last_reset: "1970-01-01T00:00:00:00+00",
+        friendly_name: "Electric car",
+        unit_of_measurement: "kWh",
+      },
+    },
+    "sensor.energy_ac": {
+      entity_id: "sensor.energy_ac",
+      state: "3",
+      attributes: {
+        last_reset: "1970-01-01T00:00:00:00+00",
+        friendly_name: "Air conditioning",
+        unit_of_measurement: "kWh",
+      },
+    },
+    "sensor.energy_washing_machine": {
+      entity_id: "sensor.energy_washing_machine",
+      state: "6",
+      attributes: {
+        last_reset: "1970-01-01T00:00:00:00+00",
+        friendly_name: "Washing machine",
+        unit_of_measurement: "kWh",
+      },
+    },
+    "sensor.energy_dryer": {
+      entity_id: "sensor.energy_dryer",
+      state: "5.5",
+      attributes: {
+        last_reset: "1970-01-01T00:00:00:00+00",
+        friendly_name: "Dryer",
+        unit_of_measurement: "kWh",
+      },
+    },
+    "sensor.energy_heat_pump": {
+      entity_id: "sensor.energy_heat_pump",
+      state: "6",
+      attributes: {
+        last_reset: "1970-01-01T00:00:00:00+00",
+        friendly_name: "Heat pump",
+        unit_of_measurement: "kWh",
+      },
+    },
+    "sensor.energy_boiler": {
+      entity_id: "sensor.energy_boiler",
+      state: "7",
+      attributes: {
+        last_reset: "1970-01-01T00:00:00:00+00",
+        friendly_name: "Boiler",
+        unit_of_measurement: "kWh",
+      },
+    },
+  });

demo/src/stubs/forecast_solar.ts

@@ -0,0 +1,55 @@
+import { format, startOfToday, startOfTomorrow } from "date-fns";
+import { ForecastSolarForecast } from "../../../src/data/forecast_solar";
+import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
+
+export const mockForecastSolar = (hass: MockHomeAssistant) => {
+  const todayString = format(startOfToday(), "yyyy-MM-dd");
+  const tomorrowString = format(startOfTomorrow(), "yyyy-MM-dd");
+  hass.mockWS(
+    "forecast_solar/forecasts",
+    (): Record<string, ForecastSolarForecast> => ({
+      solar_forecast: {
+        wh_hours: {
+          [`${todayString}T06:00:00`]: 0,
+          [`${todayString}T06:23:00`]: 6,
+          [`${todayString}T06:45:00`]: 39,
+          [`${todayString}T07:00:00`]: 28,
+          [`${todayString}T08:00:00`]: 208,
+          [`${todayString}T09:00:00`]: 352,
+          [`${todayString}T10:00:00`]: 544,
+          [`${todayString}T11:00:00`]: 748,
+          [`${todayString}T12:00:00`]: 1259,
+          [`${todayString}T13:00:00`]: 1361,
+          [`${todayString}T14:00:00`]: 1373,
+          [`${todayString}T15:00:00`]: 1370,
+          [`${todayString}T16:00:00`]: 1186,
+          [`${todayString}T17:00:00`]: 937,
+          [`${todayString}T18:00:00`]: 652,
+          [`${todayString}T19:00:00`]: 370,
+          [`${todayString}T20:00:00`]: 155,
+          [`${todayString}T21:48:00`]: 24,
+          [`${todayString}T22:36:00`]: 0,
+          [`${tomorrowString}T06:01:00`]: 0,
+          [`${tomorrowString}T06:23:00`]: 9,
+          [`${tomorrowString}T06:45:00`]: 47,
+          [`${tomorrowString}T07:00:00`]: 48,
+          [`${tomorrowString}T08:00:00`]: 473,
+          [`${tomorrowString}T09:00:00`]: 827,
+          [`${tomorrowString}T10:00:00`]: 1153,
+          [`${tomorrowString}T11:00:00`]: 1413,
+          [`${tomorrowString}T12:00:00`]: 1590,
+          [`${tomorrowString}T13:00:00`]: 1652,
+          [`${tomorrowString}T14:00:00`]: 1612,
+          [`${tomorrowString}T15:00:00`]: 1438,
+          [`${tomorrowString}T16:00:00`]: 1149,
+          [`${tomorrowString}T17:00:00`]: 830,
+          [`${tomorrowString}T18:00:00`]: 542,
+          [`${tomorrowString}T19:00:00`]: 311,
+          [`${tomorrowString}T20:00:00`]: 140,
+          [`${tomorrowString}T21:47:00`]: 22,
+          [`${tomorrowString}T22:34:00`]: 0,
+        },
+      },
+    })
+  );
+};

demo/src/stubs/history.ts

@@ -1,4 +1,6 @@
+import { addHours, differenceInHours, endOfDay } from "date-fns";
 import { HassEntity } from "home-assistant-js-websocket";
+import { StatisticValue } from "../../../src/data/history";
 import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 interface HistoryQueryParams {
@@ -64,17 +66,219 @@ const generateHistory = (state, deltas) => {
 
 const incrementalUnits = ["clients", "queries", "ads"];
 
+const generateMeanStatistics = (
+  id: string,
+  start: Date,
+  end: Date,
+  initValue: number,
+  maxDiff: number
+) => {
+  const statistics: StatisticValue[] = [];
+  let currentDate = new Date(start);
+  currentDate.setMinutes(0, 0, 0);
+  let lastVal = initValue;
+  const now = new Date();
+  while (end > currentDate && currentDate < now) {
+    const delta = Math.random() * maxDiff;
+    const mean = lastVal + delta;
+    statistics.push({
+      statistic_id: id,
+      start: currentDate.toISOString(),
+      mean,
+      min: mean - Math.random() * maxDiff,
+      max: mean + Math.random() * maxDiff,
+      last_reset: "1970-01-01T00:00:00+00:00",
+      state: mean,
+      sum: null,
+    });
+    lastVal = mean;
+    currentDate = addHours(currentDate, 1);
+  }
+  return statistics;
+};
+
+const generateSumStatistics = (
+  id: string,
+  start: Date,
+  end: Date,
+  initValue: number,
+  maxDiff: number
+) => {
+  const statistics: StatisticValue[] = [];
+  let currentDate = new Date(start);
+  currentDate.setMinutes(0, 0, 0);
+  let sum = initValue;
+  const now = new Date();
+  while (end > currentDate && currentDate < now) {
+    const add = Math.random() * maxDiff;
+    sum += add;
+    statistics.push({
+      statistic_id: id,
+      start: currentDate.toISOString(),
+      mean: null,
+      min: null,
+      max: null,
+      last_reset: "1970-01-01T00:00:00+00:00",
+      state: initValue + sum,
+      sum,
+    });
+    currentDate = addHours(currentDate, 1);
+  }
+  return statistics;
+};
+
+const generateCurvedStatistics = (
+  id: string,
+  start: Date,
+  end: Date,
+  initValue: number,
+  maxDiff: number,
+  metered: boolean
+) => {
+  const statistics: StatisticValue[] = [];
+  let currentDate = new Date(start);
+  currentDate.setMinutes(0, 0, 0);
+  let sum = initValue;
+  const hours = differenceInHours(end, start) - 1;
+  let i = 0;
+  let half = false;
+  const now = new Date();
+  while (end > currentDate && currentDate < now) {
+    const add = Math.random() * maxDiff;
+    sum += i * add;
+    statistics.push({
+      statistic_id: id,
+      start: currentDate.toISOString(),
+      mean: null,
+      min: null,
+      max: null,
+      last_reset: "1970-01-01T00:00:00+00:00",
+      state: initValue + sum,
+      sum: metered ? sum : null,
+    });
+    currentDate = addHours(currentDate, 1);
+    if (!half && i > hours / 2) {
+      half = true;
+    }
+    i += half ? -1 : 1;
+  }
+  return statistics;
+};
+
+const statisticsFunctions: Record<
+  string,
+  (id: string, start: Date, end: Date) => StatisticValue[]
+> = {
+  "sensor.energy_consumption_tarif_1": (id: string, start: Date, end: Date) => {
+    const morningEnd = new Date(start.getTime() + 10 * 60 * 60 * 1000);
+    const morningLow = generateSumStatistics(id, start, morningEnd, 0, 0.7);
+    const eveningStart = new Date(start.getTime() + 20 * 60 * 60 * 1000);
+    const morningFinalVal = morningLow.length
+      ? morningLow[morningLow.length - 1].sum!
+      : 0;
+    const empty = generateSumStatistics(
+      id,
+      morningEnd,
+      eveningStart,
+      morningFinalVal,
+      0
+    );
+    const eveningLow = generateSumStatistics(
+      id,
+      eveningStart,
+      end,
+      morningFinalVal,
+      0.7
+    );
+    return [...morningLow, ...empty, ...eveningLow];
+  },
+  "sensor.energy_consumption_tarif_2": (id: string, start: Date, end: Date) => {
+    const morningEnd = new Date(start.getTime() + 9 * 60 * 60 * 1000);
+    const eveningStart = new Date(start.getTime() + 20 * 60 * 60 * 1000);
+    const highTarif = generateSumStatistics(
+      id,
+      morningEnd,
+      eveningStart,
+      0,
+      0.3
+    );
+    const highTarifFinalVal = highTarif.length
+      ? highTarif[highTarif.length - 1].sum!
+      : 0;
+    const morning = generateSumStatistics(id, start, morningEnd, 0, 0);
+    const evening = generateSumStatistics(
+      id,
+      eveningStart,
+      end,
+      highTarifFinalVal,
+      0
+    );
+    return [...morning, ...highTarif, ...evening];
+  },
+  "sensor.energy_production_tarif_1": (id, start, end) =>
+    generateSumStatistics(id, start, end, 0, 0),
+  "sensor.energy_production_tarif_1_compensation": (id, start, end) =>
+    generateSumStatistics(id, start, end, 0, 0),
+  "sensor.energy_production_tarif_2": (id, start, end) => {
+    const productionStart = new Date(start.getTime() + 9 * 60 * 60 * 1000);
+    const productionEnd = new Date(start.getTime() + 21 * 60 * 60 * 1000);
+    const dayEnd = new Date(endOfDay(productionEnd));
+    const production = generateCurvedStatistics(
+      id,
+      productionStart,
+      productionEnd,
+      0,
+      0.15,
+      true
+    );
+    const productionFinalVal = production.length
+      ? production[production.length - 1].sum!
+      : 0;
+    const morning = generateSumStatistics(id, start, productionStart, 0, 0);
+    const evening = generateSumStatistics(
+      id,
+      productionEnd,
+      dayEnd,
+      productionFinalVal,
+      0
+    );
+    const rest = generateSumStatistics(id, dayEnd, end, productionFinalVal, 1);
+    return [...morning, ...production, ...evening, ...rest];
+  },
+  "sensor.solar_production": (id, start, end) => {
+    const productionStart = new Date(start.getTime() + 7 * 60 * 60 * 1000);
+    const productionEnd = new Date(start.getTime() + 23 * 60 * 60 * 1000);
+    const dayEnd = new Date(endOfDay(productionEnd));
+    const production = generateCurvedStatistics(
+      id,
+      productionStart,
+      productionEnd,
+      0,
+      0.3,
+      true
+    );
+    const productionFinalVal = production.length
+      ? production[production.length - 1].sum!
+      : 0;
+    const morning = generateSumStatistics(id, start, productionStart, 0, 0);
+    const evening = generateSumStatistics(
+      id,
+      productionEnd,
+      dayEnd,
+      productionFinalVal,
+      0
+    );
+    const rest = generateSumStatistics(id, dayEnd, end, productionFinalVal, 2);
+    return [...morning, ...production, ...evening, ...rest];
+  },
+  "sensor.grid_fossil_fuel_percentage": (id, start, end) =>
+    generateMeanStatistics(id, start, end, 35, 1.3),
+};
+
 export const mockHistory = (mockHass: MockHomeAssistant) => {
   mockHass.mockAPI(
     new RegExp("history/period/.+"),
-    (
-      hass,
-      // @ts-ignore
-      method,
-      path,
-      // @ts-ignore
-      parameters
-    ) => {
+    (hass, _method, path, _parameters) => {
       const params = parseQuery<HistoryQueryParams>(path.split("?")[1]);
       const entities = params.filter_entity_id.split(",");
 
@@ -95,7 +299,7 @@ export const mockHistory = (mockHass: MockHomeAssistant) => {
         const numberState = Number(state.state);
 
         if (isNaN(numberState)) {
-          // eslint-disable-next-line
+          // eslint-disable-next-line no-console
           console.log(
             "Ignoring state with unparsable state but with a unit",
             entityId,
@@ -140,4 +344,40 @@ export const mockHistory = (mockHass: MockHomeAssistant) => {
       return results;
     }
   );
+  mockHass.mockWS("history/list_statistic_ids", () => []);
+  mockHass.mockWS(
+    "history/statistics_during_period",
+    ({ statistic_ids, start_time, end_time }, hass) => {
+      const start = new Date(start_time);
+      const end = end_time ? new Date(end_time) : new Date();
+
+      const statistics: Record<string, StatisticValue[]> = {};
+
+      statistic_ids.forEach((id: string) => {
+        if (id in statisticsFunctions) {
+          statistics[id] = statisticsFunctions[id](id, start, end);
+        } else {
+          const entityState = hass.states[id];
+          const state = entityState ? Number(entityState.state) : 1;
+          statistics[id] =
+            entityState && "last_reset" in entityState.attributes
+              ? generateSumStatistics(
+                  id,
+                  start,
+                  end,
+                  state,
+                  state * (state > 80 ? 0.01 : 0.05)
+                )
+              : generateMeanStatistics(
+                  id,
+                  start,
+                  end,
+                  state,
+                  state * (state > 80 ? 0.05 : 0.1)
+                );
+        }
+      });
+      return statistics;
+    }
+  );
 };

demo/src/stubs/lovelace.ts

@@ -10,10 +10,9 @@ export const mockLovelace = (
   localizePromise: Promise<LocalizeFunc>
 ) => {
   hass.mockWS("lovelace/config", () =>
-    Promise.all([
-      selectedDemoConfig,
-      localizePromise,
-    ]).then(([config, localize]) => config.lovelace(localize))
+    Promise.all([selectedDemoConfig, localizePromise]).then(
+      ([config, localize]) => config.lovelace(localize)
+    )
   );
 
   hass.mockWS("lovelace/config/save", () => Promise.resolve());

demo/src/stubs/template.ts

@@ -6,7 +6,7 @@ export const mockTemplate = (hass: MockHomeAssistant) => {
       body: { message: "Template dev tool does not work in the demo." },
     })
   );
-  hass.mockWS("render_template", (msg, onChange) => {
+  hass.mockWS("render_template", (msg, _hass, onChange) => {
     onChange!({
       result: msg.template,
       listeners: { all: false, domains: [], entities: [], time: false },

demo/src/stubs/translations.ts

@@ -3,8 +3,6 @@ import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 export const mockTranslations = (hass: MockHomeAssistant) => {
   hass.mockWS(
     "frontend/get_translations",
-    (/* msg: {language: string, category: string} */) => {
-      return { resources: {} };
-    }
+    (/* msg: {language: string, category: string} */) => ({ 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 { safeLoad } from "js-yaml";
+import { load } from "js-yaml";
 import { createCardElement } from "../../../src/panels/lovelace/create-element/create-card-element";
 
 class DemoCard extends PolymerElement {
@@ -15,6 +15,10 @@ 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;
@@ -34,7 +38,12 @@ class DemoCard extends PolymerElement {
           }
         }
       </style>
-      <h2>[[config.heading]]</h2>
+      <h2>
+        [[config.heading]]
+        <template is="dom-if" if="[[_size]]">
+          <small>(size [[_size]])</small>
+        </template>
+      </h2>
       <div class="root">
         <div id="card"></div>
         <template is="dom-if" if="[[showConfig]]">
@@ -55,6 +64,9 @@ class DemoCard extends PolymerElement {
         observer: "_configChanged",
       },
       showConfig: Boolean,
+      _size: {
+        type: Number,
+      },
     };
   }
 
@@ -68,8 +80,19 @@ class DemoCard extends PolymerElement {
       card.removeChild(card.lastChild);
     }
 
-    const el = this._createCardElement(safeLoad(config.config)[0]);
+    const el = this._createCardElement(load(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/data/traces/basic_trace.ts

@@ -0,0 +1,349 @@
+import { DemoTrace } from "./types";
+
+export const basicTrace: DemoTrace = {
+  trace: {
+    last_step: "action/2",
+    run_id: "0",
+    state: "stopped",
+    timestamp: {
+      start: "2021-03-25T04:36:51.223693+00:00",
+      finish: "2021-03-25T04:36:51.266132+00:00",
+    },
+    trigger: "state of input_boolean.toggle_1",
+    domain: "automation",
+    item_id: "1615419646544",
+    trace: {
+      "trigger/0": [
+        {
+          path: "trigger/0",
+          timestamp: "2021-03-25T04:36:51.223693+00:00",
+        },
+      ],
+      "condition/0": [
+        {
+          path: "condition/0",
+          timestamp: "2021-03-25T04:36:51.228243+00:00",
+          changed_variables: {
+            trigger: {
+              platform: "state",
+              entity_id: "input_boolean.toggle_1",
+              from_state: {
+                entity_id: "input_boolean.toggle_1",
+                state: "on",
+                attributes: {
+                  editable: true,
+                  friendly_name: "Toggle 1",
+                },
+                last_changed: "2021-03-24T19:03:59.141440+00:00",
+                last_updated: "2021-03-24T19:03:59.141440+00:00",
+                context: {
+                  id: "5d0918eb379214d07554bdab6a08bcff",
+                  parent_id: null,
+                  user_id: null,
+                },
+              },
+              to_state: {
+                entity_id: "input_boolean.toggle_1",
+                state: "off",
+                attributes: {
+                  editable: true,
+                  friendly_name: "Toggle 1",
+                },
+                last_changed: "2021-03-25T04:36:51.220696+00:00",
+                last_updated: "2021-03-25T04:36:51.220696+00:00",
+                context: {
+                  id: "664d6d261450a9ecea6738e97269a149",
+                  parent_id: null,
+                  user_id: "d1b4e89da01445fa8bc98e39fac477ca",
+                },
+              },
+              for: null,
+              attribute: null,
+              description: "state of input_boolean.toggle_1",
+            },
+          },
+          result: {
+            result: true,
+          },
+        },
+      ],
+      "action/0": [
+        {
+          path: "action/0",
+          timestamp: "2021-03-25T04:36:51.243018+00:00",
+          changed_variables: {
+            trigger: {
+              platform: "state",
+              entity_id: "input_boolean.toggle_1",
+              from_state: {
+                entity_id: "input_boolean.toggle_1",
+                state: "on",
+                attributes: {
+                  editable: true,
+                  friendly_name: "Toggle 1",
+                },
+                last_changed: "2021-03-24T19:03:59.141440+00:00",
+                last_updated: "2021-03-24T19:03:59.141440+00:00",
+                context: {
+                  id: "5d0918eb379214d07554bdab6a08bcff",
+                  parent_id: null,
+                  user_id: null,
+                },
+              },
+              to_state: {
+                entity_id: "input_boolean.toggle_1",
+                state: "off",
+                attributes: {
+                  editable: true,
+                  friendly_name: "Toggle 1",
+                },
+                last_changed: "2021-03-25T04:36:51.220696+00:00",
+                last_updated: "2021-03-25T04:36:51.220696+00:00",
+                context: {
+                  id: "664d6d261450a9ecea6738e97269a149",
+                  parent_id: null,
+                  user_id: "d1b4e89da01445fa8bc98e39fac477ca",
+                },
+              },
+              for: null,
+              attribute: null,
+              description: "state of input_boolean.toggle_1",
+            },
+            context: {
+              id: "6cfcae368e7b3686fad6c59e83ae76c9",
+              parent_id: "664d6d261450a9ecea6738e97269a149",
+              user_id: null,
+            },
+          },
+          result: {
+            params: {
+              domain: "input_boolean",
+              service: "toggle",
+              service_data: {},
+              target: {
+                entity_id: ["input_boolean.toggle_4"],
+              },
+            },
+            running_script: false,
+            limit: 10,
+          },
+        },
+      ],
+      "action/1": [
+        {
+          path: "action/1",
+          timestamp: "2021-03-25T04:36:51.252406+00:00",
+          result: {
+            choice: 0,
+          },
+        },
+      ],
+      "action/1/choose/0": [
+        {
+          path: "action/1/choose/0",
+          timestamp: "2021-03-25T04:36:51.254569+00:00",
+          result: {
+            result: true,
+          },
+        },
+      ],
+      "action/1/choose/0/conditions/0": [
+        {
+          path: "action/1/choose/0/conditions/0",
+          timestamp: "2021-03-25T04:36:51.254697+00:00",
+          result: {
+            result: true,
+          },
+        },
+      ],
+      "action/1/choose/0/sequence/0": [
+        {
+          path: "action/1/choose/0/sequence/0",
+          timestamp: "2021-03-25T04:36:51.257360+00:00",
+          result: {
+            params: {
+              domain: "input_boolean",
+              service: "toggle",
+              service_data: {},
+              target: {
+                entity_id: ["input_boolean.toggle_2"],
+              },
+            },
+            running_script: false,
+            limit: 10,
+          },
+        },
+      ],
+      "action/1/choose/0/sequence/1": [
+        {
+          path: "action/1/choose/0/sequence/1",
+          timestamp: "2021-03-25T04:36:51.260658+00:00",
+          result: {
+            params: {
+              domain: "input_boolean",
+              service: "toggle",
+              service_data: {},
+              target: {
+                entity_id: ["input_boolean.toggle_3"],
+              },
+            },
+            running_script: false,
+            limit: 10,
+          },
+        },
+      ],
+      "action/2": [
+        {
+          path: "action/2",
+          timestamp: "2021-03-25T04:36:51.264159+00:00",
+          result: {
+            params: {
+              domain: "input_boolean",
+              service: "toggle",
+              service_data: {},
+              target: {
+                entity_id: ["input_boolean.toggle_4"],
+              },
+            },
+            running_script: false,
+            limit: 10,
+          },
+        },
+      ],
+    },
+
+    config: {
+      id: "1615419646544",
+      alias: "Ensure Party mode",
+      description: "",
+      trigger: [
+        {
+          platform: "state",
+          entity_id: "input_boolean.toggle_1",
+        },
+      ],
+      condition: [
+        {
+          condition: "template",
+          alias: "Test if Paulus is home",
+          value_template: "{{ true }}",
+        },
+      ],
+      action: [
+        {
+          service: "input_boolean.toggle",
+          target: {
+            entity_id: "input_boolean.toggle_4",
+          },
+        },
+        {
+          choose: [
+            {
+              alias: "If toggle 3 is on",
+              conditions: [
+                {
+                  condition: "template",
+                  value_template:
+                    "{{ is_state('input_boolean.toggle_3', 'on') }}",
+                },
+              ],
+              sequence: [
+                {
+                  service: "input_boolean.toggle",
+                  alias: "Toggle 2 while 3 is on",
+                  target: {
+                    entity_id: "input_boolean.toggle_2",
+                  },
+                },
+                {
+                  service: "input_boolean.toggle",
+                  alias: "Toggle 3",
+                  target: {
+                    entity_id: "input_boolean.toggle_3",
+                  },
+                },
+              ],
+            },
+          ],
+          default: [
+            {
+              service: "input_boolean.toggle",
+              alias: "Toggle 2",
+              target: {
+                entity_id: "input_boolean.toggle_2",
+              },
+            },
+          ],
+        },
+        {
+          service: "input_boolean.toggle",
+          target: {
+            entity_id: "input_boolean.toggle_4",
+          },
+        },
+      ],
+      mode: "single",
+    },
+    context: {
+      id: "6cfcae368e7b3686fad6c59e83ae76c9",
+      parent_id: "664d6d261450a9ecea6738e97269a149",
+      user_id: null,
+    },
+    script_execution: "finished",
+  },
+  logbookEntries: [
+    {
+      name: "Ensure Party mode",
+      message: "has been triggered by state of input_boolean.toggle_1",
+      source: "state of input_boolean.toggle_1",
+      entity_id: "automation.toggle_toggles",
+      context_id: "6cfcae368e7b3686fad6c59e83ae76c9",
+      when: "2021-03-25T04:36:51.240832+00:00",
+      domain: "automation",
+    },
+    {
+      when: "2021-03-25T04:36:51.249828+00:00",
+      name: "Toggle 4",
+      state: "on",
+      entity_id: "input_boolean.toggle_4",
+      context_entity_id: "automation.toggle_toggles",
+      context_entity_id_name: "Ensure Party mode",
+      context_event_type: "automation_triggered",
+      context_domain: "automation",
+      context_name: "Ensure Party mode",
+    },
+    {
+      when: "2021-03-25T04:36:51.258947+00:00",
+      name: "Toggle 2",
+      state: "on",
+      entity_id: "input_boolean.toggle_2",
+      context_entity_id: "automation.toggle_toggles",
+      context_entity_id_name: "Ensure Party mode",
+      context_event_type: "automation_triggered",
+      context_domain: "automation",
+      context_name: "Ensure Party mode",
+    },
+    {
+      when: "2021-03-25T04:36:51.261806+00:00",
+      name: "Toggle 3",
+      state: "off",
+      entity_id: "input_boolean.toggle_3",
+      context_entity_id: "automation.toggle_toggles",
+      context_entity_id_name: "Ensure Party mode",
+      context_event_type: "automation_triggered",
+      context_domain: "automation",
+      context_name: "Ensure Party mode",
+    },
+    {
+      when: "2021-03-25T04:36:51.265246+00:00",
+      name: "Toggle 4",
+      state: "off",
+      entity_id: "input_boolean.toggle_4",
+      context_entity_id: "automation.toggle_toggles",
+      context_entity_id_name: "Ensure Party mode",
+      context_event_type: "automation_triggered",
+      context_domain: "automation",
+      context_name: "Ensure Party mode",
+    },
+  ],
+};

gallery/src/data/traces/mock-demo-trace.ts

@@ -0,0 +1,44 @@
+import { LogbookEntry } from "../../../../src/data/logbook";
+import { AutomationTraceExtended } from "../../../../src/data/trace";
+import { DemoTrace } from "./types";
+
+export const mockDemoTrace = (
+  tracePartial: Partial<AutomationTraceExtended>,
+  logbookEntries?: LogbookEntry[]
+): DemoTrace => ({
+  trace: {
+    last_step: "",
+    run_id: "0",
+    state: "stopped",
+    timestamp: {
+      start: "2021-03-25T04:36:51.223693+00:00",
+      finish: "2021-03-25T04:36:51.266132+00:00",
+    },
+    trigger: "mocked trigger",
+    domain: "automation",
+    item_id: "1615419646544",
+    trace: {
+      "trigger/0": [
+        {
+          path: "trigger/0",
+          changed_variables: {
+            trigger: {
+              description: "mocked trigger",
+            },
+          },
+          timestamp: "2021-03-25T04:36:51.223693+00:00",
+        },
+      ],
+    },
+    config: {
+      trigger: [],
+      action: [],
+    },
+    context: {
+      id: "abcd",
+    },
+    script_execution: "finished",
+    ...tracePartial,
+  },
+  logbookEntries: logbookEntries || [],
+});

gallery/src/data/traces/motion-light-trace.ts

@@ -0,0 +1,214 @@
+import { DemoTrace } from "./types";
+
+export const motionLightTrace: DemoTrace = {
+  trace: {
+    last_step: "action/3",
+    run_id: "1",
+    state: "stopped",
+    timestamp: {
+      start: "2021-03-14T06:07:01.768006+00:00",
+      finish: "2021-03-14T06:07:53.287525+00:00",
+    },
+    trigger: "state of binary_sensor.pauluss_macbook_pro_camera_in_use",
+    domain: "automation",
+    item_id: "1614732497392",
+    trace: {
+      "trigger/0": [
+        {
+          path: "trigger/0",
+          timestamp: "2021-03-25T04:36:51.223693+00:00",
+        },
+      ],
+      "action/0": [
+        {
+          path: "action/0",
+          timestamp: "2021-03-14T06:07:01.771038+00:00",
+          changed_variables: {
+            trigger: {
+              platform: "state",
+              entity_id: "binary_sensor.pauluss_macbook_pro_camera_in_use",
+              from_state: {
+                entity_id: "binary_sensor.pauluss_macbook_pro_camera_in_use",
+                state: "off",
+                attributes: {
+                  friendly_name: "Paulus’s MacBook Pro Camera In Use",
+                  icon: "mdi:camera-off",
+                },
+                last_changed: "2021-03-14T06:06:29.235325+00:00",
+                last_updated: "2021-03-14T06:06:29.235325+00:00",
+                context: {
+                  id: "ad4864c5ce957c38a07b50378eeb245d",
+                  parent_id: null,
+                  user_id: null,
+                },
+              },
+              to_state: {
+                entity_id: "binary_sensor.pauluss_macbook_pro_camera_in_use",
+                state: "on",
+                attributes: {
+                  friendly_name: "Paulus’s MacBook Pro Camera In Use",
+                  icon: "mdi:camera",
+                },
+                last_changed: "2021-03-14T06:07:01.762009+00:00",
+                last_updated: "2021-03-14T06:07:01.762009+00:00",
+                context: {
+                  id: "e22ddfd5f11dc4aad9a52fc10dab613b",
+                  parent_id: null,
+                  user_id: null,
+                },
+              },
+              for: null,
+              attribute: null,
+              description:
+                "state of binary_sensor.pauluss_macbook_pro_camera_in_use",
+            },
+            context: {
+              id: "43b6ee9293a551c5cc14e8eb60af54ba",
+              parent_id: "e22ddfd5f11dc4aad9a52fc10dab613b",
+              user_id: null,
+            },
+          },
+        },
+      ],
+      "action/1": [
+        { path: "action/1", timestamp: "2021-03-14T06:07:01.875316+00:00" },
+      ],
+      "action/2": [
+        {
+          path: "action/2",
+          timestamp: "2021-03-14T06:07:53.195013+00:00",
+          changed_variables: {
+            wait: {
+              remaining: null,
+              trigger: {
+                platform: "state",
+                entity_id: "binary_sensor.pauluss_macbook_pro_camera_in_use",
+                from_state: {
+                  entity_id: "binary_sensor.pauluss_macbook_pro_camera_in_use",
+                  state: "on",
+                  attributes: {
+                    friendly_name: "Paulus’s MacBook Pro Camera In Use",
+                    icon: "mdi:camera",
+                  },
+                  last_changed: "2021-03-14T06:07:01.762009+00:00",
+                  last_updated: "2021-03-14T06:07:01.762009+00:00",
+                  context: {
+                    id: "e22ddfd5f11dc4aad9a52fc10dab613b",
+                    parent_id: null,
+                    user_id: null,
+                  },
+                },
+                to_state: {
+                  entity_id: "binary_sensor.pauluss_macbook_pro_camera_in_use",
+                  state: "off",
+                  attributes: {
+                    friendly_name: "Paulus’s MacBook Pro Camera In Use",
+                    icon: "mdi:camera-off",
+                  },
+                  last_changed: "2021-03-14T06:07:53.186755+00:00",
+                  last_updated: "2021-03-14T06:07:53.186755+00:00",
+                  context: {
+                    id: "b2308cc91d509ea8e0c623331ab178d6",
+                    parent_id: null,
+                    user_id: null,
+                  },
+                },
+                for: null,
+                attribute: null,
+                description:
+                  "state of binary_sensor.pauluss_macbook_pro_camera_in_use",
+              },
+            },
+          },
+        },
+      ],
+      "action/3": [
+        {
+          path: "action/3",
+          timestamp: "2021-03-14T06:07:53.196014+00:00",
+        },
+      ],
+    },
+    config: {
+      mode: "restart",
+      max_exceeded: "silent",
+      trigger: [
+        {
+          platform: "state",
+          entity_id: "binary_sensor.pauluss_macbook_pro_camera_in_use",
+          from: "off",
+          to: "on",
+        },
+      ],
+      action: [
+        {
+          service: "light.turn_on",
+          target: {
+            entity_id: "light.elgato_key_light_air",
+          },
+        },
+        {
+          wait_for_trigger: [
+            {
+              platform: "state",
+              entity_id: "binary_sensor.pauluss_macbook_pro_camera_in_use",
+              from: "on",
+              to: "off",
+            },
+          ],
+        },
+        {
+          delay: 0,
+        },
+        {
+          service: "light.turn_off",
+          target: {
+            entity_id: "light.elgato_key_light_air",
+          },
+        },
+      ],
+      id: "1614732497392",
+      alias: "Auto Elgato",
+      description: "",
+    },
+    context: {
+      id: "43b6ee9293a551c5cc14e8eb60af54ba",
+      parent_id: "e22ddfd5f11dc4aad9a52fc10dab613b",
+      user_id: null,
+    },
+    script_execution: "finished",
+  },
+  logbookEntries: [
+    {
+      name: "Auto Elgato",
+      message:
+        "has been triggered by state of binary_sensor.pauluss_macbook_pro_camera_in_use",
+      source: "state of binary_sensor.pauluss_macbook_pro_camera_in_use",
+      entity_id: "automation.auto_elgato",
+      when: "2021-03-14T06:07:01.768492+00:00",
+      domain: "automation",
+    },
+    {
+      when: "2021-03-14T06:07:01.872187+00:00",
+      name: "Elgato Key Light Air",
+      state: "on",
+      entity_id: "light.elgato_key_light_air",
+      context_entity_id: "automation.auto_elgato",
+      context_entity_id_name: "Auto Elgato",
+      context_event_type: "automation_triggered",
+      context_domain: "automation",
+      context_name: "Auto Elgato",
+    },
+    {
+      when: "2021-03-14T06:07:53.284505+00:00",
+      name: "Elgato Key Light Air",
+      state: "off",
+      entity_id: "light.elgato_key_light_air",
+      context_entity_id: "automation.auto_elgato",
+      context_entity_id_name: "Auto Elgato",
+      context_event_type: "automation_triggered",
+      context_domain: "automation",
+      context_name: "Auto Elgato",
+    },
+  ],
+};

gallery/src/data/traces/types.ts

@@ -0,0 +1,7 @@
+import { AutomationTraceExtended } from "../../../../src/data/trace";
+import { LogbookEntry } from "../../../../src/data/logbook";
+
+export interface DemoTrace {
+  trace: AutomationTraceExtended;
+  logbookEntries: LogbookEntry[];
+}

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

@@ -0,0 +1,96 @@
+import { dump } from "js-yaml";
+import { html, css, LitElement, TemplateResult } from "lit";
+import { customElement, property } from "lit/decorators";
+import "../../../src/components/ha-card";
+import { describeAction } from "../../../src/data/script_i18n";
+import { provideHass } from "../../../src/fake_data/provide_hass";
+import { HomeAssistant } from "../../../src/types";
+
+const actions = [
+  { wait_template: "{{ true }}", alias: "Something with an alias" },
+  { delay: "0:05" },
+  { wait_template: "{{ true }}" },
+  {
+    condition: "template",
+    value_template: "{{ true }}",
+  },
+  { event: "happy_event" },
+  {
+    device_id: "abcdefgh",
+    domain: "plex",
+    entity_id: "media_player.kitchen",
+  },
+  { scene: "scene.kitchen_morning" },
+  {
+    wait_for_trigger: [
+      {
+        platform: "state",
+        entity_id: "input_boolean.toggle_1",
+      },
+    ],
+  },
+  {
+    variables: {
+      hello: "world",
+    },
+  },
+  {
+    service: "input_boolean.toggle",
+    target: {
+      entity_id: "input_boolean.toggle_4",
+    },
+  },
+];
+
+@customElement("demo-automation-describe-action")
+export class DemoAutomationDescribeAction extends LitElement {
+  @property({ attribute: false }) hass!: HomeAssistant;
+
+  protected render(): TemplateResult {
+    if (!this.hass) {
+      return html``;
+    }
+    return html`
+      <ha-card header="Actions">
+        ${actions.map(
+          (conf) => html`
+            <div class="action">
+              <span>${describeAction(this.hass, conf as any)}</span>
+              <pre>${dump(conf)}</pre>
+            </div>
+          `
+        )}
+      </ha-card>
+    `;
+  }
+
+  protected firstUpdated(changedProps) {
+    super.firstUpdated(changedProps);
+    const hass = provideHass(this);
+    hass.updateTranslations(null, "en");
+  }
+
+  static get styles() {
+    return css`
+      ha-card {
+        max-width: 600px;
+        margin: 24px auto;
+      }
+      .action {
+        padding: 16px;
+        display: flex;
+        align-items: center;
+        justify-content: space-between;
+      }
+      span {
+        margin-right: 16px;
+      }
+    `;
+  }
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "demo-automation-describe-action": DemoAutomationDescribeAction;
+  }
+}

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

@@ -0,0 +1,60 @@
+import { dump } from "js-yaml";
+import { html, css, LitElement, TemplateResult } from "lit";
+import { customElement } from "lit/decorators";
+import "../../../src/components/ha-card";
+import { describeCondition } from "../../../src/data/automation_i18n";
+
+const conditions = [
+  { condition: "and" },
+  { condition: "not" },
+  { condition: "or" },
+  { condition: "state" },
+  { condition: "numeric_state" },
+  { condition: "sun", after: "sunset" },
+  { condition: "sun", after: "sunrise" },
+  { condition: "zone" },
+  { condition: "time" },
+  { condition: "template" },
+];
+
+@customElement("demo-automation-describe-condition")
+export class DemoAutomationDescribeCondition extends LitElement {
+  protected render(): TemplateResult {
+    return html`
+      <ha-card header="Conditions">
+        ${conditions.map(
+          (conf) => html`
+            <div class="condition">
+              <span>${describeCondition(conf as any)}</span>
+              <pre>${dump(conf)}</pre>
+            </div>
+          `
+        )}
+      </ha-card>
+    `;
+  }
+
+  static get styles() {
+    return css`
+      ha-card {
+        max-width: 600px;
+        margin: 24px auto;
+      }
+      .condition {
+        padding: 16px;
+        display: flex;
+        align-items: center;
+        justify-content: space-between;
+      }
+      span {
+        margin-right: 16px;
+      }
+    `;
+  }
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "demo-automation-describe-condition": DemoAutomationDescribeCondition;
+  }
+}

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

@@ -0,0 +1,63 @@
+import { dump } from "js-yaml";
+import { html, css, LitElement, TemplateResult } from "lit";
+import { customElement } from "lit/decorators";
+import "../../../src/components/ha-card";
+import { describeTrigger } from "../../../src/data/automation_i18n";
+
+const triggers = [
+  { platform: "state" },
+  { platform: "mqtt" },
+  { platform: "geo_location" },
+  { platform: "homeassistant" },
+  { platform: "numeric_state" },
+  { platform: "sun" },
+  { platform: "time_pattern" },
+  { platform: "webhook" },
+  { platform: "zone" },
+  { platform: "tag" },
+  { platform: "time" },
+  { platform: "template" },
+  { platform: "event" },
+];
+
+@customElement("demo-automation-describe-trigger")
+export class DemoAutomationDescribeTrigger extends LitElement {
+  protected render(): TemplateResult {
+    return html`
+      <ha-card header="Triggers">
+        ${triggers.map(
+          (conf) => html`
+            <div class="trigger">
+              <span>${describeTrigger(conf as any)}</span>
+              <pre>${dump(conf)}</pre>
+            </div>
+          `
+        )}
+      </ha-card>
+    `;
+  }
+
+  static get styles() {
+    return css`
+      ha-card {
+        max-width: 600px;
+        margin: 24px auto;
+      }
+      .trigger {
+        padding: 16px;
+        display: flex;
+        align-items: center;
+        justify-content: space-between;
+      }
+      span {
+        margin-right: 16px;
+      }
+    `;
+  }
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "demo-automation-describe-trigger": DemoAutomationDescribeTrigger;
+  }
+}

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

@@ -0,0 +1,81 @@
+import { html, css, LitElement, TemplateResult } from "lit";
+import { customElement, property } from "lit/decorators";
+import "../../../src/components/ha-card";
+import "../../../src/components/trace/hat-script-graph";
+import "../../../src/components/trace/hat-trace-timeline";
+import { provideHass } from "../../../src/fake_data/provide_hass";
+import { HomeAssistant } from "../../../src/types";
+import { mockDemoTrace } from "../data/traces/mock-demo-trace";
+import { DemoTrace } from "../data/traces/types";
+
+const traces: DemoTrace[] = [
+  mockDemoTrace({ state: "running" }),
+  mockDemoTrace({ state: "debugged" }),
+  mockDemoTrace({ state: "stopped", script_execution: "failed_conditions" }),
+  mockDemoTrace({ state: "stopped", script_execution: "failed_single" }),
+  mockDemoTrace({ state: "stopped", script_execution: "failed_max_runs" }),
+  mockDemoTrace({ state: "stopped", script_execution: "finished" }),
+  mockDemoTrace({ state: "stopped", script_execution: "aborted" }),
+  mockDemoTrace({
+    state: "stopped",
+    script_execution: "error",
+    error: 'Variable "beer" cannot be None',
+  }),
+  mockDemoTrace({ state: "stopped", script_execution: "cancelled" }),
+];
+
+@customElement("demo-automation-trace-timeline")
+export class DemoAutomationTraceTimeline extends LitElement {
+  @property({ attribute: false }) hass?: HomeAssistant;
+
+  protected render(): TemplateResult {
+    if (!this.hass) {
+      return html``;
+    }
+    return html`
+      ${traces.map(
+        (trace) => html`
+          <ha-card .header=${trace.trace.config.alias}>
+            <div class="card-content">
+              <hat-trace-timeline
+                .hass=${this.hass}
+                .trace=${trace.trace}
+                .logbookEntries=${trace.logbookEntries}
+              ></hat-trace-timeline>
+              <button @click=${() => console.log(trace)}>Log trace</button>
+            </div>
+          </ha-card>
+        `
+      )}
+    `;
+  }
+
+  protected firstUpdated(changedProps) {
+    super.firstUpdated(changedProps);
+    const hass = provideHass(this);
+    hass.updateTranslations(null, "en");
+  }
+
+  static get styles() {
+    return css`
+      ha-card {
+        max-width: 600px;
+        margin: 24px;
+      }
+      .card-content {
+        display: flex;
+      }
+      button {
+        position: absolute;
+        top: 0;
+        right: 0;
+      }
+    `;
+  }
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "demo-automation-trace-timeline": DemoAutomationTraceTimeline;
+  }
+}

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

@@ -0,0 +1,91 @@
+import { html, css, LitElement, TemplateResult } from "lit";
+import "../../../src/components/ha-card";
+import "../../../src/components/trace/hat-script-graph";
+import "../../../src/components/trace/hat-trace-timeline";
+import { customElement, property, state } from "lit/decorators";
+import { provideHass } from "../../../src/fake_data/provide_hass";
+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";
+
+const traces: DemoTrace[] = [basicTrace, motionLightTrace];
+
+@customElement("demo-automation-trace")
+export class DemoAutomationTrace extends LitElement {
+  @property({ attribute: false }) hass?: HomeAssistant;
+
+  @state() private _selected = {};
+
+  protected render(): TemplateResult {
+    if (!this.hass) {
+      return html``;
+    }
+    return html`
+      ${traces.map(
+        (trace, idx) => html`
+          <ha-card .header=${trace.trace.config.alias}>
+            <div class="card-content">
+              <hat-script-graph
+                .trace=${trace.trace}
+                .selected=${this._selected[idx]}
+                @graph-node-selected=${(ev) => {
+                  this._selected = { ...this._selected, [idx]: ev.detail.path };
+                }}
+              ></hat-script-graph>
+              <hat-trace-timeline
+                allowPick
+                .hass=${this.hass}
+                .trace=${trace.trace}
+                .logbookEntries=${trace.logbookEntries}
+                .selectedPath=${this._selected[idx]}
+                @value-changed=${(ev) => {
+                  this._selected = {
+                    ...this._selected,
+                    [idx]: ev.detail.value,
+                  };
+                }}
+              ></hat-trace-timeline>
+              <button @click=${() => console.log(trace)}>Log trace</button>
+            </div>
+          </ha-card>
+        `
+      )}
+    `;
+  }
+
+  protected firstUpdated(changedProps) {
+    super.firstUpdated(changedProps);
+    const hass = provideHass(this);
+    hass.updateTranslations(null, "en");
+  }
+
+  static get styles() {
+    return css`
+      ha-card {
+        max-width: 600px;
+        margin: 24px;
+      }
+      .card-content {
+        display: flex;
+      }
+      .card-content > * {
+        margin-right: 16px;
+      }
+      .card-content > *:last-child {
+        margin-right: 0;
+      }
+      button {
+        position: absolute;
+        top: 0;
+        right: 0;
+      }
+    `;
+  }
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "demo-automation-trace": DemoAutomationTrace;
+  }
+}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

@@ -1,11 +1,5 @@
-import {
-  customElement,
-  html,
-  LitElement,
-  PropertyValues,
-  query,
-  TemplateResult,
-} from "lit-element";
+import { html, LitElement, PropertyValues, TemplateResult } from "lit";
+import { customElement, query } from "lit/decorators";
 import { mockHistory } from "../../../demo/src/stubs/history";
 import { getEntity } from "../../../src/fake_data/entity";
 import { provideHass } from "../../../src/fake_data/provide_hass";
@@ -49,6 +43,110 @@ 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: `
@@ -99,45 +197,9 @@ 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-stack-card")
+@customElement("demo-hui-grid-and-stack-card")
 class DemoStack extends LitElement {
   @query("#demos") private _demoRoot!: HTMLElement;
 
@@ -155,4 +217,8 @@ class DemoStack extends LitElement {
   }
 }
 
-customElements.define("demo-hui-stack-card", DemoStack);
+declare global {
+  interface HTMLElementTagNameMap {
+    "demo-hui-grid-and-stack-card": DemoStack;
+  }
+}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

@@ -0,0 +1,354 @@
+import { html, css, LitElement, TemplateResult } from "lit";
+import "../../../src/components/ha-formfield";
+import "../../../src/components/ha-switch";
+
+import { classMap } from "lit/directives/class-map";
+import { customElement, property, state } from "lit/decorators";
+import { IntegrationManifest } from "../../../src/data/integration";
+
+import { provideHass } from "../../../src/fake_data/provide_hass";
+import { HomeAssistant } from "../../../src/types";
+import "../../../src/panels/config/integrations/ha-integration-card";
+import "../../../src/panels/config/integrations/ha-ignored-config-entry-card";
+import "../../../src/panels/config/integrations/ha-config-flow-card";
+import type {
+  ConfigEntryExtended,
+  DataEntryFlowProgressExtended,
+} from "../../../src/panels/config/integrations/ha-config-integrations";
+import { DeviceRegistryEntry } from "../../../src/data/device_registry";
+import { EntityRegistryEntry } from "../../../src/data/entity_registry";
+
+const createConfigEntry = (
+  title: string,
+  override: Partial<ConfigEntryExtended> = {}
+): ConfigEntryExtended => ({
+  entry_id: title,
+  domain: "esphome",
+  localized_domain_name: "ESPHome",
+  title,
+  source: "zeroconf",
+  state: "loaded",
+  supports_options: false,
+  supports_unload: true,
+  disabled_by: null,
+  pref_disable_new_entities: false,
+  pref_disable_polling: false,
+  reason: null,
+  ...override,
+});
+
+const createManifest = (
+  isCustom: boolean,
+  isCloud: boolean,
+  name = "ESPHome"
+): IntegrationManifest => ({
+  name,
+  domain: "esphome",
+  is_built_in: !isCustom,
+  config_flow: false,
+  documentation: "https://www.home-assistant.io/integrations/esphome/",
+  iot_class: isCloud ? "cloud_polling" : "local_polling",
+});
+
+const loadedEntry = createConfigEntry("Loaded");
+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",
+});
+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",
+});
+const migrationErrorEntry = createConfigEntry("Migration Error", {
+  state: "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",
+});
+const notLoadedEntry = createConfigEntry("Not Loaded", { state: "not_loaded" });
+const disabledEntry = createConfigEntry("Disabled", {
+  state: "not_loaded",
+  disabled_by: "user",
+});
+const disabledFailedUnloadEntry = createConfigEntry(
+  "Disabled - Failed Unload",
+  {
+    state: "failed_unload",
+    disabled_by: "user",
+  }
+);
+
+const configFlows: DataEntryFlowProgressExtended[] = [
+  {
+    flow_id: "adbb401329d8439ebb78ef29837826a8",
+    handler: "roku",
+    context: {
+      source: "ssdp",
+      unique_id: "YF008D862864",
+      title_placeholders: {
+        name: "Living room Roku",
+      },
+    },
+    step_id: "discovery_confirm",
+    localized_title: "Living room Roku",
+  },
+  {
+    flow_id: "adbb401329d8439ebb78ef29837826a8",
+    handler: "hue",
+    context: {
+      source: "reauth",
+      unique_id: "YF008D862864",
+      title_placeholders: {
+        name: "Living room Roku",
+      },
+    },
+    step_id: "discovery_confirm",
+    localized_title: "Philips Hue",
+  },
+];
+
+const configEntries: Array<{
+  items: ConfigEntryExtended[];
+  is_custom?: boolean;
+  disabled?: boolean;
+  highlight?: string;
+}> = [
+  { 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] },
+  {
+    items: [
+      loadedEntry,
+      setupErrorEntry,
+      migrationErrorEntry,
+      longNameEntry,
+      longNonBreakingNameEntry,
+      setupRetryEntry,
+      failedUnloadEntry,
+      notLoadedEntry,
+      disabledEntry,
+      nameAsDomainEntry,
+      configPanelEntry,
+      optionsFlowEntry,
+    ],
+  },
+  { disabled: true, items: [disabledEntry] },
+  { disabled: true, items: [disabledFailedUnloadEntry] },
+  {
+    disabled: true,
+    items: [disabledEntry, disabledFailedUnloadEntry],
+  },
+  {
+    items: [loadedEntry, configPanelEntry],
+    highlight: "Loaded",
+  },
+];
+
+const createEntityRegistryEntries = (
+  item: ConfigEntryExtended
+): EntityRegistryEntry[] => [
+  {
+    config_entry_id: item.entry_id,
+    device_id: "mock-device-id",
+    area_id: null,
+    disabled_by: null,
+    entity_id: "binary_sensor.updater",
+    name: null,
+    icon: null,
+    platform: "updater",
+  },
+];
+
+const createDeviceRegistryEntries = (
+  item: ConfigEntryExtended
+): DeviceRegistryEntry[] => [
+  {
+    entry_type: null,
+    config_entries: [item.entry_id],
+    connections: [],
+    manufacturer: "ESPHome",
+    model: "Mock Device",
+    name: "Tag Reader",
+    sw_version: null,
+    id: "mock-device-id",
+    identifiers: [],
+    via_device_id: null,
+    area_id: null,
+    name_by_user: null,
+    disabled_by: null,
+  },
+];
+
+@customElement("demo-integration-card")
+export class DemoIntegrationCard extends LitElement {
+  @property({ attribute: false }) hass?: HomeAssistant;
+
+  @state() isCustomIntegration = false;
+
+  @state() isCloud = false;
+
+  protected render(): TemplateResult {
+    if (!this.hass) {
+      return html``;
+    }
+    return html`
+      <div class="container">
+        <div class="filters">
+          <ha-formfield label="Custom Integration">
+            <ha-switch @change=${this._toggleCustomIntegration}></ha-switch>
+          </ha-formfield>
+          <ha-formfield label="Relies on cloud">
+            <ha-switch @change=${this._toggleCloud}></ha-switch>
+          </ha-formfield>
+        </div>
+
+        <ha-ignored-config-entry-card
+          .hass=${this.hass}
+          .entry=${createConfigEntry("Ignored Entry")}
+          .manifest=${createManifest(this.isCustomIntegration, this.isCloud)}
+        ></ha-ignored-config-entry-card>
+
+        ${configFlows.map(
+          (flow) => html`
+            <ha-config-flow-card
+              .hass=${this.hass}
+              .flow=${flow}
+              .manifest=${createManifest(
+                this.isCustomIntegration,
+                this.isCloud,
+                flow.handler === "roku" ? "Roku" : "Philips Hue"
+              )}
+            ></ha-config-flow-card>
+          `
+        )}
+        ${configEntries.map(
+          (info) => html`
+            <ha-integration-card
+              class=${classMap({
+                highlight: info.highlight !== undefined,
+              })}
+              .hass=${this.hass}
+              domain="esphome"
+              .items=${info.items}
+              .manifest=${createManifest(
+                this.isCustomIntegration,
+                this.isCloud
+              )}
+              .entityRegistryEntries=${createEntityRegistryEntries(
+                info.items[0]
+              )}
+              .deviceRegistryEntries=${createDeviceRegistryEntries(
+                info.items[0]
+              )}
+              ?disabled=${info.disabled}
+              .selectedConfigEntryId=${info.highlight}
+            ></ha-integration-card>
+          `
+        )}
+      </div>
+      <div class="container">
+        <!-- One that is standalone to see how it increases height if height
+           not defined by other cards. -->
+        <ha-integration-card
+          .hass=${this.hass}
+          domain="esphome"
+          .items=${[
+            loadedEntry,
+            setupErrorEntry,
+            migrationErrorEntry,
+            setupRetryEntry,
+            failedUnloadEntry,
+          ]}
+          .manifest=${createManifest(this.isCustomIntegration, this.isCloud)}
+          .entityRegistryEntries=${createEntityRegistryEntries(loadedEntry)}
+          .deviceRegistryEntries=${createDeviceRegistryEntries(loadedEntry)}
+        ></ha-integration-card>
+      </div>
+    `;
+  }
+
+  protected firstUpdated(changedProps) {
+    super.firstUpdated(changedProps);
+    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() {
+    this.isCustomIntegration = !this.isCustomIntegration;
+  }
+
+  private _toggleCloud() {
+    this.isCloud = !this.isCloud;
+  }
+
+  static get styles() {
+    return css`
+      .container {
+        display: grid;
+        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
+        grid-gap: 16px 16px;
+        padding: 8px 16px 16px;
+        margin-bottom: 64px;
+      }
+
+      .container > * {
+        max-width: 500px;
+      }
+
+      ha-formfield {
+        margin: 8px 0;
+        display: block;
+      }
+    `;
+  }
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "demo-integration-card": DemoIntegrationCard;
+  }
+}

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

@@ -1,21 +1,11 @@
-import {
-  customElement,
-  html,
-  LitElement,
-  property,
-  PropertyValues,
-  query,
-  TemplateResult,
-} from "lit-element";
+import { html, LitElement, PropertyValues, TemplateResult } from "lit";
+import { customElement, property, query } from "lit/decorators";
 import "../../../src/components/ha-card";
 import {
-  SUPPORT_BRIGHTNESS,
-  SUPPORT_COLOR,
-  SUPPORT_COLOR_TEMP,
+  LightColorModes,
   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";
@@ -32,7 +22,8 @@ const ENTITIES = [
   getEntity("light", "kitchen_light", "on", {
     friendly_name: "Brightness Light",
     brightness: 200,
-    supported_features: SUPPORT_BRIGHTNESS,
+    supported_color_modes: [LightColorModes.BRIGHTNESS],
+    color_mode: LightColorModes.BRIGHTNESS,
   }),
   getEntity("light", "color_temperature_light", "on", {
     friendly_name: "White Color Temperature Light",
@@ -40,20 +31,96 @@ const ENTITIES = [
     color_temp: 75,
     min_mireds: 30,
     max_mireds: 150,
-    supported_features: SUPPORT_BRIGHTNESS + SUPPORT_COLOR_TEMP,
+    supported_color_modes: [
+      LightColorModes.BRIGHTNESS,
+      LightColorModes.COLOR_TEMP,
+    ],
+    color_mode: LightColorModes.COLOR_TEMP,
   }),
-  getEntity("light", "color_effectslight", "on", {
-    friendly_name: "Color Effets Light",
+  getEntity("light", "color_hs_light", "on", {
+    friendly_name: "Color HS Light",
     brightness: 255,
     hs_color: [30, 100],
-    white_value: 36,
-    supported_features:
-      SUPPORT_BRIGHTNESS +
-      SUPPORT_EFFECT +
-      SUPPORT_FLASH +
-      SUPPORT_COLOR +
-      SUPPORT_TRANSITION +
-      SUPPORT_WHITE_VALUE,
+    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", {
+    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,
     effect_list: ["random", "colorloop"],
   }),
 ];
@@ -81,4 +148,8 @@ class DemoMoreInfoLight extends LitElement {
   }
 }
 
-customElements.define("demo-more-info-light", DemoMoreInfoLight);
+declare global {
+  interface HTMLElementTagNameMap {
+    "demo-more-info-light": DemoMoreInfoLight;
+  }
+}

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

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

gallery/src/ha-gallery.js

@@ -111,29 +111,9 @@ class HaGallery extends PolymerElement {
                 </template>
               </ha-card>
 
-              <ha-card header="More Info Demos">
-                <div class="card-content intro">
-                  <p>
-                    More info screens show up when an entity is clicked.
-                  </p>
-                </div>
-                <template is="dom-repeat" items="[[_moreInfoDemos]]">
-                  <a href="#[[item]]">
-                    <paper-item>
-                      <paper-item-body>{{ item }}</paper-item-body>
-                      <ha-icon icon="hass:chevron-right"></ha-icon>
-                    </paper-item>
-                  </a>
-                </template>
-              </ha-card>
-
-              <ha-card header="Util Demos">
-                <div class="card-content intro">
-                  <p>
-                    Test pages for our utility functions.
-                  </p>
-                </div>
-                <template is="dom-repeat" items="[[_utilDemos]]">
+              <ha-card header="Other Demos">
+                <div class="card-content intro"></div>
+                <template is="dom-repeat" items="[[_restDemos]]">
                   <a href="#[[item]]">
                     <paper-item>
                       <paper-item-body>{{ item }}</paper-item-body>
@@ -178,13 +158,9 @@ class HaGallery extends PolymerElement {
         type: Array,
         computed: "_computeLovelace(_demos)",
       },
-      _moreInfoDemos: {
+      _restDemos: {
         type: Array,
-        computed: "_computeMoreInfos(_demos)",
-      },
-      _utilDemos: {
-        type: Array,
-        computed: "_computeUtil(_demos)",
+        computed: "_computeRest(_demos)",
       },
     };
   }
@@ -237,12 +213,8 @@ class HaGallery extends PolymerElement {
     return demos.filter((demo) => demo.includes("hui"));
   }
 
-  _computeMoreInfos(demos) {
-    return demos.filter((demo) => demo.includes("more-info"));
-  }
-
-  _computeUtil(demos) {
-    return demos.filter((demo) => demo.includes("util"));
+  _computeRest(demos) {
+    return demos.filter((demo) => !demo.includes("hui"));
   }
 }
 

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

@@ -1,12 +1,6 @@
 import { mdiArrowUpBoldCircle, mdiPuzzle } from "@mdi/js";
-import {
-  css,
-  CSSResultArray,
-  html,
-  LitElement,
-  property,
-  TemplateResult,
-} from "lit-element";
+import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
+import { property } from "lit/decorators";
 import memoizeOne from "memoize-one";
 import { atLeastVersion } from "../../../src/common/config/version";
 import { navigate } from "../../../src/common/navigate";
@@ -15,6 +9,7 @@ import {
   HassioAddonInfo,
   HassioAddonRepository,
 } from "../../../src/data/hassio/addon";
+import { Supervisor } from "../../../src/data/supervisor/supervisor";
 import { HomeAssistant } from "../../../src/types";
 import "../components/hassio-card-content";
 import { filterAndSort } from "../components/hassio-filter-addons";
@@ -23,6 +18,8 @@ import { hassioStyle } from "../resources/hassio-style";
 class HassioAddonRepositoryEl extends LitElement {
   @property({ attribute: false }) public hass!: HomeAssistant;
 
+  @property({ attribute: false }) public supervisor!: Supervisor;
+
   @property({ attribute: false }) public repo!: HassioAddonRepository;
 
   @property({ attribute: false }) public addons!: HassioAddonInfo[];
@@ -44,9 +41,7 @@ class HassioAddonRepositoryEl extends LitElement {
     const repo = this.repo;
     let _addons = this.addons;
     if (!this.hass.userData?.showAdvanced) {
-      _addons = _addons.filter((addon) => {
-        return !addon.advanced;
-      });
+      _addons = _addons.filter((addon) => !addon.advanced);
     }
     const addons = this._getAddons(_addons, this.filter);
 
@@ -54,16 +49,18 @@ class HassioAddonRepositoryEl extends LitElement {
       return html`
         <div class="content">
           <p class="description">
-            No results found in "${repo.name}."
+            ${this.supervisor.localize(
+              "store.no_results_found",
+              "repository",
+              repo.name
+            )}
           </p>
         </div>
       `;
     }
     return html`
       <div class="content">
-        <h1>
-          ${repo.name}
-        </h1>
+        <h1>${repo.name}</h1>
         <div class="card-group">
           ${addons.map(
             (addon) => html`
@@ -83,11 +80,13 @@ class HassioAddonRepositoryEl extends LitElement {
                       : mdiPuzzle}
                     .iconTitle=${addon.installed
                       ? addon.update_available
-                        ? "New version available"
-                        : "Add-on is installed"
+                        ? this.supervisor.localize(
+                            "common.new_version_available"
+                          )
+                        : this.supervisor.localize("addon.installed")
                       : addon.available
-                      ? "Add-on is not installed"
-                      : "Add-on is not available on your system"}
+                      ? this.supervisor.localize("addon.not_installed")
+                      : this.supervisor.localize("addon.not_available")}
                     .iconClass=${addon.installed
                       ? addon.update_available
                         ? "update"
@@ -121,10 +120,10 @@ class HassioAddonRepositoryEl extends LitElement {
   }
 
   private _addonTapped(ev) {
-    navigate(this, `/hassio/addon/${ev.currentTarget.addon.slug}`);
+    navigate(`/hassio/addon/${ev.currentTarget.addon.slug}`);
   }
 
-  static get styles(): CSSResultArray {
+  static get styles(): CSSResultGroup {
     return [
       hassioStyle,
       css`

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

@@ -4,17 +4,19 @@ import "@material/mwc-list/mwc-list-item";
 import { mdiDotsVertical } from "@mdi/js";
 import {
   css,
-  CSSResult,
-  internalProperty,
+  CSSResultGroup,
+  html,
   LitElement,
-  property,
   PropertyValues,
-} from "lit-element";
-import { html, TemplateResult } from "lit-html";
+  TemplateResult,
+} from "lit";
+import { property, state } from "lit/decorators";
 import memoizeOne from "memoize-one";
 import { atLeastVersion } from "../../../src/common/config/version";
 import { fireEvent } from "../../../src/common/dom/fire_event";
+import { navigate } from "../../../src/common/navigate";
 import "../../../src/common/search/search-input";
+import { extractSearchParam } from "../../../src/common/url/search-params";
 import "../../../src/components/ha-button-menu";
 import "../../../src/components/ha-svg-icon";
 import {
@@ -56,7 +58,7 @@ class HassioAddonStore extends LitElement {
 
   @property({ attribute: false }) public route!: Route;
 
-  @internalProperty() private _filter?: string;
+  @state() private _filter?: string;
 
   public async refreshData() {
     await reloadHassioAddons(this.hass);
@@ -69,20 +71,22 @@ class HassioAddonStore extends LitElement {
     if (this.supervisor.addon.repositories) {
       repos = this.addonRepositories(
         this.supervisor.addon.repositories,
-        this.supervisor.addon.addons
+        this.supervisor.addon.addons,
+        this._filter
       );
     }
 
     return html`
       <hass-tabs-subpage
         .hass=${this.hass}
+        .localizeFunc=${this.supervisor.localize}
         .narrow=${this.narrow}
         .route=${this.route}
-        hassio
-        main-page
         .tabs=${supervisorTabs}
+        main-page
+        supervisor
       >
-        <span slot="header">Add-on Store</span>
+        <span slot="header"> ${this.supervisor.localize("panel.store")} </span>
         <ha-button-menu
           corner="BOTTOM_START"
           slot="toolbar-icon"
@@ -92,15 +96,15 @@ class HassioAddonStore extends LitElement {
             <ha-svg-icon .path=${mdiDotsVertical}></ha-svg-icon>
           </mwc-icon-button>
           <mwc-list-item>
-            Repositories
+            ${this.supervisor.localize("store.repositories")}
           </mwc-list-item>
           <mwc-list-item>
-            Reload
+            ${this.supervisor.localize("common.reload")}
           </mwc-list-item>
           ${this.hass.userData?.showAdvanced &&
           atLeastVersion(this.hass.config.version, 0, 117)
             ? html`<mwc-list-item>
-                Registries
+                ${this.supervisor.localize("store.registries")}
               </mwc-list-item>`
             : ""}
         </ha-button-menu>
@@ -121,11 +125,9 @@ class HassioAddonStore extends LitElement {
         ${!this.hass.userData?.showAdvanced
           ? html`
               <div class="advanced">
-                Missing add-ons? Enable advanced mode on
                 <a href="/profile" target="_top">
-                  your profile page
+                  ${this.supervisor.localize("store.missing_addons")}
                 </a>
-                .
               </div>
             `
           : ""}
@@ -135,13 +137,23 @@ class HassioAddonStore extends LitElement {
 
   protected firstUpdated(changedProps: PropertyValues) {
     super.firstUpdated(changedProps);
+    const repositoryUrl = extractSearchParam("repository_url");
+    navigate("/hassio/store", { replace: true });
+    if (repositoryUrl) {
+      this._manageRepositories(repositoryUrl);
+    }
+
     this.addEventListener("hass-api-called", (ev) => this.apiCalled(ev));
     this._loadData();
   }
 
   private addonRepositories = memoizeOne(
-    (repositories: HassioAddonRepository[], addons: HassioAddonInfo[]) => {
-      return repositories.sort(sortRepos).map((repo) => {
+    (
+      repositories: HassioAddonRepository[],
+      addons: HassioAddonInfo[],
+      filter?: string
+    ) =>
+      repositories.sort(sortRepos).map((repo) => {
         const filteredAddons = addons.filter(
           (addon) => addon.repository === repo.slug
         );
@@ -152,18 +164,18 @@ class HassioAddonStore extends LitElement {
                 .hass=${this.hass}
                 .repo=${repo}
                 .addons=${filteredAddons}
-                .filter=${this._filter!}
+                .filter=${filter!}
+                .supervisor=${this.supervisor}
               ></hassio-addon-repository>
             `
           : html``;
-      });
-    }
+      })
   );
 
   private _handleAction(ev: CustomEvent<ActionDetail>) {
     switch (ev.detail.index) {
       case 0:
-        this._manageRepositories();
+        this._manageRepositoriesClicked();
         break;
       case 1:
         this.refreshData();
@@ -180,27 +192,33 @@ class HassioAddonStore extends LitElement {
     }
   }
 
-  private async _manageRepositories() {
+  private _manageRepositoriesClicked() {
+    this._manageRepositories();
+  }
+
+  private async _manageRepositories(url?: string) {
     showRepositoriesDialog(this, {
-      repos: this.supervisor.addon.repositories,
-      loadData: () => this._loadData(),
+      supervisor: this.supervisor,
+      url,
     });
   }
 
   private async _manageRegistries() {
-    showRegistriesDialog(this);
+    showRegistriesDialog(this, { supervisor: this.supervisor });
   }
 
   private async _loadData() {
-    fireEvent(this, "supervisor-store-refresh", { store: "addon" });
-    fireEvent(this, "supervisor-store-refresh", { store: "supervisor" });
+    fireEvent(this, "supervisor-collection-refresh", { collection: "addon" });
+    fireEvent(this, "supervisor-collection-refresh", {
+      collection: "supervisor",
+    });
   }
 
   private async _filterChanged(e) {
     this._filter = e.detail.value;
   }
 
-  static get styles(): CSSResult {
+  static get styles(): CSSResultGroup {
     return css`
       hassio-addon-repository {
         margin-top: 24px;

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

@@ -4,15 +4,13 @@ import "@polymer/paper-item/paper-item";
 import "@polymer/paper-listbox/paper-listbox";
 import {
   css,
-  CSSResult,
-  customElement,
+  CSSResultGroup,
   html,
-  internalProperty,
   LitElement,
-  property,
   PropertyValues,
   TemplateResult,
-} from "lit-element";
+} from "lit";
+import { customElement, property, state } from "lit/decorators";
 import "web-animations-js/web-animations-next-lite.min";
 import "../../../../src/components/buttons/ha-progress-button";
 import "../../../../src/components/ha-card";
@@ -25,6 +23,7 @@ import {
   fetchHassioHardwareAudio,
   HassioHardwareAudioDevice,
 } from "../../../../src/data/hassio/hardware";
+import { Supervisor } from "../../../../src/data/supervisor/supervisor";
 import { haStyle } from "../../../../src/resources/styles";
 import { HomeAssistant } from "../../../../src/types";
 import { suggestAddonRestart } from "../../dialogs/suggestAddonRestart";
@@ -34,26 +33,32 @@ import { hassioStyle } from "../../resources/hassio-style";
 class HassioAddonAudio extends LitElement {
   @property({ attribute: false }) public hass!: HomeAssistant;
 
+  @property({ attribute: false }) public supervisor!: Supervisor;
+
   @property({ attribute: false }) public addon!: HassioAddonDetails;
 
-  @internalProperty() private _error?: string;
+  @state() private _error?: string;
 
-  @internalProperty() private _inputDevices?: HassioHardwareAudioDevice[];
+  @state() private _inputDevices?: HassioHardwareAudioDevice[];
 
-  @internalProperty() private _outputDevices?: HassioHardwareAudioDevice[];
+  @state() private _outputDevices?: HassioHardwareAudioDevice[];
 
-  @internalProperty() private _selectedInput!: null | string;
+  @state() private _selectedInput!: null | string;
 
-  @internalProperty() private _selectedOutput!: null | string;
+  @state() private _selectedOutput!: null | string;
 
   protected render(): TemplateResult {
     return html`
-      <ha-card header="Audio">
+      <ha-card
+        .header=${this.supervisor.localize("addon.configuration.audio.header")}
+      >
         <div class="card-content">
           ${this._error ? html` <div class="errors">${this._error}</div> ` : ""}
 
           <paper-dropdown-menu
-            label="Input"
+            .label=${this.supervisor.localize(
+              "addon.configuration.audio.input"
+            )}
             @iron-select=${this._setInputDevice}
           >
             <paper-listbox
@@ -62,17 +67,19 @@ class HassioAddonAudio extends LitElement {
               .selected=${this._selectedInput!}
             >
               ${this._inputDevices &&
-              this._inputDevices.map((item) => {
-                return html`
-                  <paper-item device=${item.device || ""}
-                    >${item.name}</paper-item
-                  >
-                `;
-              })}
+              this._inputDevices.map(
+                (item) => html`
+                  <paper-item device=${item.device || ""}>
+                    ${item.name}
+                  </paper-item>
+                `
+              )}
             </paper-listbox>
           </paper-dropdown-menu>
           <paper-dropdown-menu
-            label="Output"
+            .label=${this.supervisor.localize(
+              "addon.configuration.audio.output"
+            )}
             @iron-select=${this._setOutputDevice}
           >
             <paper-listbox
@@ -81,26 +88,26 @@ class HassioAddonAudio extends LitElement {
               .selected=${this._selectedOutput!}
             >
               ${this._outputDevices &&
-              this._outputDevices.map((item) => {
-                return html`
+              this._outputDevices.map(
+                (item) => html`
                   <paper-item device=${item.device || ""}
                     >${item.name}</paper-item
                   >
-                `;
-              })}
+                `
+              )}
             </paper-listbox>
           </paper-dropdown-menu>
         </div>
         <div class="card-actions">
           <ha-progress-button @click=${this._saveSettings}>
-            Save
+            ${this.supervisor.localize("common.save")}
           </ha-progress-button>
         </div>
       </ha-card>
     `;
   }
 
-  static get styles(): CSSResult[] {
+  static get styles(): CSSResultGroup {
     return [
       haStyle,
       hassioStyle,
@@ -152,7 +159,7 @@ class HassioAddonAudio extends LitElement {
 
     const noDevice: HassioHardwareAudioDevice = {
       device: "default",
-      name: "Default",
+      name: this.supervisor.localize("addon.configuration.audio.default"),
     };
 
     try {
@@ -189,7 +196,7 @@ class HassioAddonAudio extends LitElement {
     try {
       await setHassioAddonOption(this.hass, this.addon.slug, data);
       if (this.addon?.state === "started") {
-        await suggestAddonRestart(this, this.hass, this.addon);
+        await suggestAddonRestart(this, this.hass, this.supervisor, this.addon);
       }
     } catch {
       this._error = "Failed to set addon audio device";

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

@@ -1,14 +1,8 @@
-import {
-  css,
-  CSSResult,
-  customElement,
-  html,
-  LitElement,
-  property,
-  TemplateResult,
-} from "lit-element";
+import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
+import { customElement, property } from "lit/decorators";
 import "../../../../src/components/ha-circular-progress";
 import { HassioAddonDetails } from "../../../../src/data/hassio/addon";
+import { Supervisor } from "../../../../src/data/supervisor/supervisor";
 import { haStyle } from "../../../../src/resources/styles";
 import { HomeAssistant } from "../../../../src/types";
 import { hassioStyle } from "../../resources/hassio-style";
@@ -20,26 +14,28 @@ import "./hassio-addon-network";
 class HassioAddonConfigDashboard extends LitElement {
   @property({ attribute: false }) public hass!: HomeAssistant;
 
+  @property({ attribute: false }) public supervisor!: Supervisor;
+
   @property({ attribute: false }) public addon?: HassioAddonDetails;
 
   protected render(): TemplateResult {
     if (!this.addon) {
       return html`<ha-circular-progress active></ha-circular-progress>`;
     }
-    const hasOptions =
-      this.addon.options && Object.keys(this.addon.options).length;
-    const hasSchema =
-      hasOptions && this.addon.schema && Object.keys(this.addon.schema).length;
+    const hasConfiguration =
+      (this.addon.options && Object.keys(this.addon.options).length) ||
+      (this.addon.schema && Object.keys(this.addon.schema).length);
 
     return html`
       <div class="content">
-        ${hasOptions || hasSchema || this.addon.network || this.addon.audio
+        ${hasConfiguration || this.addon.network || this.addon.audio
           ? html`
-              ${hasOptions || hasSchema
+              ${hasConfiguration
                 ? html`
                     <hassio-addon-config
                       .hass=${this.hass}
                       .addon=${this.addon}
+                      .supervisor=${this.supervisor}
                     ></hassio-addon-config>
                   `
                 : ""}
@@ -48,6 +44,7 @@ class HassioAddonConfigDashboard extends LitElement {
                     <hassio-addon-network
                       .hass=${this.hass}
                       .addon=${this.addon}
+                      .supervisor=${this.supervisor}
                     ></hassio-addon-network>
                   `
                 : ""}
@@ -56,16 +53,17 @@ class HassioAddonConfigDashboard extends LitElement {
                     <hassio-addon-audio
                       .hass=${this.hass}
                       .addon=${this.addon}
+                      .supervisor=${this.supervisor}
                     ></hassio-addon-audio>
                   `
                 : ""}
             `
-          : "This add-on does not expose configuration for you to mess with.... 👋"}
+          : this.supervisor.localize("addon.configuration.no_configuration")}
       </div>
     `;
   }
 
-  static get styles(): CSSResult[] {
+  static get styles(): CSSResultGroup {
     return [
       haStyle,
       hassioStyle,

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

@@ -2,32 +2,35 @@ import "@material/mwc-button";
 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,
-  CSSResult,
-  customElement,
+  CSSResultGroup,
   html,
-  internalProperty,
   LitElement,
-  property,
   PropertyValues,
-  query,
   TemplateResult,
-} from "lit-element";
+} from "lit";
+import { customElement, property, query, state } from "lit/decorators";
+import memoizeOne from "memoize-one";
 import { fireEvent } from "../../../../src/common/dom/fire_event";
 import "../../../../src/components/buttons/ha-progress-button";
 import "../../../../src/components/ha-button-menu";
 import "../../../../src/components/ha-card";
 import "../../../../src/components/ha-form/ha-form";
+import type { HaFormSchema } from "../../../../src/components/ha-form/ha-form";
+import "../../../../src/components/ha-formfield";
+import "../../../../src/components/ha-switch";
 import "../../../../src/components/ha-yaml-editor";
 import type { HaYamlEditor } from "../../../../src/components/ha-yaml-editor";
 import {
   HassioAddonDetails,
   HassioAddonSetOptionParams,
   setHassioAddonOption,
+  validateHassioAddonOption,
 } from "../../../../src/data/hassio/addon";
 import { extractApiErrorMessage } from "../../../../src/data/hassio/common";
+import { Supervisor } from "../../../../src/data/supervisor/supervisor";
 import { showConfirmationDialog } from "../../../../src/dialogs/generic/show-dialog-box";
 import { haStyle } from "../../../../src/resources/styles";
 import type { HomeAssistant } from "../../../../src/types";
@@ -36,70 +39,135 @@ 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;
 
   @property({ attribute: false }) public hass!: HomeAssistant;
 
+  @property({ attribute: false }) public supervisor!: Supervisor;
+
   @property({ type: Boolean }) private _configHasChanged = false;
 
   @property({ type: Boolean }) private _valid = true;
 
-  @internalProperty() private _canShowSchema = false;
+  @state() private _canShowSchema = false;
 
-  @internalProperty() private _error?: string;
+  @state() private _showOptional = false;
 
-  @internalProperty() private _options?: Record<string, unknown>;
+  @state() private _error?: string;
 
-  @internalProperty() private _yamlMode = false;
+  @state() private _options?: Record<string, unknown>;
+
+  @state() 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;
+
+  private _filteredShchema = memoizeOne(
+    (options: Record<string, unknown>, schema: HaFormSchema[]) =>
+      schema.filter((entry) => entry.name in options || entry.required)
+  );
+
   protected render(): TemplateResult {
+    const showForm =
+      !this._yamlMode && this._canShowSchema && this.addon.schema;
+    const hasHiddenOptions =
+      showForm &&
+      JSON.stringify(this.addon.schema) !==
+        JSON.stringify(
+          this._filteredShchema(this.addon.options, this.addon.schema!)
+        );
     return html`
       <h1>${this.addon.name}</h1>
       <ha-card>
         <div class="header">
-          <h2>Configuration</h2>
+          <h2>
+            ${this.supervisor.localize("addon.configuration.options.header")}
+          </h2>
           <div class="card-menu">
             <ha-button-menu corner="BOTTOM_START" @action=${this._handleAction}>
               <mwc-icon-button slot="trigger">
                 <ha-svg-icon .path=${mdiDotsVertical}></ha-svg-icon>
               </mwc-icon-button>
               <mwc-list-item .disabled=${!this._canShowSchema}>
-                ${this._yamlMode ? "Edit in UI" : "Edit in YAML"}
+                ${this._yamlMode
+                  ? this.supervisor.localize(
+                      "addon.configuration.options.edit_in_ui"
+                    )
+                  : this.supervisor.localize(
+                      "addon.configuration.options.edit_in_yaml"
+                    )}
               </mwc-list-item>
               <mwc-list-item class="warning">
-                Reset to defaults
+                ${this.supervisor.localize("common.reset_defaults")}
               </mwc-list-item>
             </ha-button-menu>
           </div>
         </div>
 
         <div class="card-content">
-          ${!this._yamlMode && this._canShowSchema && this.addon.schema
+          ${showForm
             ? html`<ha-form
                 .data=${this._options!}
                 @value-changed=${this._configChanged}
-                .schema=${this.addon.schema}
+                .computeLabel=${this.computeLabel}
+                .schema=${this._showOptional
+                  ? this.addon.schema!
+                  : this._filteredShchema(
+                      this.addon.options,
+                      this.addon.schema!
+                    )}
               ></ha-form>`
             : html` <ha-yaml-editor
                 @value-changed=${this._configChanged}
+                .yamlSchema=${ADDON_YAML_SCHEMA}
               ></ha-yaml-editor>`}
           ${this._error ? html` <div class="errors">${this._error}</div> ` : ""}
           ${!this._yamlMode ||
           (this._canShowSchema && this.addon.schema) ||
           this._valid
             ? ""
-            : html` <div class="errors">Invalid YAML</div> `}
+            : html`
+                <div class="errors">
+                  ${this.supervisor.localize(
+                    "addon.configuration.options.invalid_yaml"
+                  )}
+                </div>
+              `}
         </div>
+        ${hasHiddenOptions
+          ? html`<ha-formfield
+              class="show-additional"
+              .label=${this.supervisor.localize(
+                "addon.configuration.options.show_unused_optional"
+              )}
+            >
+              <ha-switch
+                @change=${this._toggleOptional}
+                .checked=${this._showOptional}
+              >
+              </ha-switch>
+            </ha-formfield>`
+          : ""}
         <div class="card-actions right">
           <ha-progress-button
             @click=${this._saveTapped}
             .disabled=${!this._configHasChanged || !this._valid}
           >
-            Save
+            ${this.supervisor.localize("common.save")}
           </ha-progress-button>
         </div>
       </ha-card>
@@ -108,12 +176,10 @@ class HassioAddonConfig extends LitElement {
 
   protected firstUpdated(changedProps) {
     super.firstUpdated(changedProps);
-    this._canShowSchema =
-      Object.keys(this.addon.options).length !== 0 &&
-      !this.addon.schema!.find(
-        // @ts-ignore
-        (entry) => !SUPPORTED_UI_TYPES.includes(entry.type) || entry.multiple
-      );
+    this._canShowSchema = !this.addon.schema!.find(
+      // @ts-ignore
+      (entry) => !SUPPORTED_UI_TYPES.includes(entry.type) || entry.multiple
+    );
     this._yamlMode = !this._canShowSchema;
   }
 
@@ -146,6 +212,10 @@ class HassioAddonConfig extends LitElement {
     }
   }
 
+  private _toggleOptional() {
+    this._showOptional = !this._showOptional;
+  }
+
   private _configChanged(ev): void {
     if (this.addon.schema && this._canShowSchema && !this._yamlMode) {
       this._valid = true;
@@ -162,10 +232,10 @@ class HassioAddonConfig extends LitElement {
     button.progress = true;
 
     const confirmed = await showConfirmationDialog(this, {
-      title: this.addon.name,
-      text: "Are you sure you want to reset all your options?",
-      confirmText: "reset options",
-      dismissText: "no",
+      title: this.supervisor.localize("confirm.reset_options.title"),
+      text: this.supervisor.localize("confirm.reset_options.text"),
+      confirmText: this.supervisor.localize("common.reset_options"),
+      dismissText: this.supervisor.localize("common.cancel"),
     });
 
     if (!confirmed) {
@@ -187,43 +257,59 @@ class HassioAddonConfig extends LitElement {
       };
       fireEvent(this, "hass-api-called", eventdata);
     } catch (err) {
-      this._error = `Failed to reset addon configuration, ${extractApiErrorMessage(
-        err
-      )}`;
+      this._error = this.supervisor.localize(
+        "addon.common.update_available",
+        "error",
+        extractApiErrorMessage(err)
+      );
     }
     button.progress = false;
   }
 
   private async _saveTapped(ev: CustomEvent): Promise<void> {
     const button = ev.currentTarget as any;
+    const options: Record<string, unknown> = this._yamlMode
+      ? this._editor?.value
+      : this._options;
+    const eventdata = {
+      success: true,
+      response: undefined,
+      path: "options",
+    };
     button.progress = true;
 
     this._error = undefined;
 
     try {
+      const validation = await validateHassioAddonOption(
+        this.hass,
+        this.addon.slug,
+        options
+      );
+      if (!validation.valid) {
+        throw Error(validation.message);
+      }
       await setHassioAddonOption(this.hass, this.addon.slug, {
-        options: this._yamlMode ? this._editor?.value : this._options,
+        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.addon);
+        await suggestAddonRestart(this, this.hass, this.supervisor, this.addon);
       }
     } catch (err) {
-      this._error = `Failed to save addon configuration, ${extractApiErrorMessage(
-        err
-      )}`;
+      this._error = this.supervisor.localize(
+        "addon.failed_to_save",
+        "error",
+        extractApiErrorMessage(err)
+      );
+      eventdata.success = false;
     }
     button.progress = false;
+    fireEvent(this, "hass-api-called", eventdata);
   }
 
-  static get styles(): CSSResult[] {
+  static get styles(): CSSResultGroup {
     return [
       haStyle,
       hassioStyle,
@@ -242,10 +328,6 @@ class HassioAddonConfig extends LitElement {
           color: var(--error-color);
           margin-top: 16px;
         }
-        iron-autogrow-textarea {
-          width: 100%;
-          font-family: var(--code-font-family, monospace);
-        }
         .syntaxerror {
           color: var(--error-color);
         }
@@ -275,6 +357,10 @@ class HassioAddonConfig extends LitElement {
         .card-actions.right {
           justify-content: flex-end;
         }
+
+        .show-additional {
+          padding: 16px;
+        }
       `,
     ];
   }

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

@@ -1,15 +1,13 @@
 import { PaperInputElement } from "@polymer/paper-input/paper-input";
 import {
   css,
-  CSSResult,
-  customElement,
+  CSSResultGroup,
   html,
-  internalProperty,
   LitElement,
-  property,
   PropertyValues,
   TemplateResult,
-} from "lit-element";
+} from "lit";
+import { customElement, property, state } from "lit/decorators";
 import { fireEvent } from "../../../../src/common/dom/fire_event";
 import "../../../../src/components/buttons/ha-progress-button";
 import "../../../../src/components/ha-card";
@@ -19,6 +17,7 @@ import {
   setHassioAddonOption,
 } from "../../../../src/data/hassio/addon";
 import { extractApiErrorMessage } from "../../../../src/data/hassio/common";
+import { Supervisor } from "../../../../src/data/supervisor/supervisor";
 import { haStyle } from "../../../../src/resources/styles";
 import { HomeAssistant } from "../../../../src/types";
 import { suggestAddonRestart } from "../../dialogs/suggestAddonRestart";
@@ -38,11 +37,13 @@ interface NetworkItemInput extends PaperInputElement {
 class HassioAddonNetwork extends LitElement {
   @property({ attribute: false }) public hass!: HomeAssistant;
 
+  @property({ attribute: false }) public supervisor!: Supervisor;
+
   @property({ attribute: false }) public addon!: HassioAddonDetails;
 
-  @internalProperty() private _error?: string;
+  @state() private _error?: string;
 
-  @internalProperty() private _config?: NetworkItem[];
+  @state() private _config?: NetworkItem[];
 
   public connectedCallback(): void {
     super.connectedCallback();
@@ -55,43 +56,57 @@ class HassioAddonNetwork extends LitElement {
     }
 
     return html`
-      <ha-card header="Network">
+      <ha-card
+        .header=${this.supervisor.localize(
+          "addon.configuration.network.header"
+        )}
+      >
         <div class="card-content">
           ${this._error ? html` <div class="errors">${this._error}</div> ` : ""}
 
           <table>
             <tbody>
               <tr>
-                <th>Container</th>
-                <th>Host</th>
-                <th>Description</th>
+                <th>
+                  ${this.supervisor.localize(
+                    "addon.configuration.network.container"
+                  )}
+                </th>
+                <th>
+                  ${this.supervisor.localize(
+                    "addon.configuration.network.host"
+                  )}
+                </th>
+                <th>${this.supervisor.localize("common.description")}</th>
               </tr>
-              ${this._config!.map((item) => {
-                return html`
+              ${this._config!.map(
+                (item) => html`
                   <tr>
                     <td>${item.container}</td>
                     <td>
                       <paper-input
                         @value-changed=${this._configChanged}
-                        placeholder="disabled"
+                        placeholder="${this.supervisor.localize(
+                          "addon.configuration.network.disabled"
+                        )}"
                         .value=${item.host ? String(item.host) : ""}
                         .container=${item.container}
                         no-label-float
                       ></paper-input>
                     </td>
-                    <td>${item.description}</td>
+                    <td>${this._computeDescription(item)}</td>
                   </tr>
-                `;
-              })}
+                `
+              )}
             </tbody>
           </table>
         </div>
         <div class="card-actions">
           <ha-progress-button class="warning" @click=${this._resetTapped}>
-            Reset to defaults
+            ${this.supervisor.localize("common.reset_defaults")}
           </ha-progress-button>
           <ha-progress-button @click=${this._saveTapped}>
-            Save
+            ${this.supervisor.localize("common.save")}
           </ha-progress-button>
         </div>
       </ha-card>
@@ -105,16 +120,20 @@ 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 _setNetworkConfig(): void {
     const network = this.addon.network || {};
     const description = this.addon.network_description || {};
-    const items: NetworkItem[] = Object.keys(network).map((key) => {
-      return {
-        container: key,
-        host: network[key],
-        description: description[key],
-      };
-    });
+    const items: NetworkItem[] = Object.keys(network).map((key) => ({
+      container: key,
+      host: network[key],
+      description: description[key],
+    }));
     this._config = items.sort((a, b) => (a.container > b.container ? 1 : -1));
   }
 
@@ -147,12 +166,14 @@ class HassioAddonNetwork extends LitElement {
       };
       fireEvent(this, "hass-api-called", eventdata);
       if (this.addon?.state === "started") {
-        await suggestAddonRestart(this, this.hass, this.addon);
+        await suggestAddonRestart(this, this.hass, this.supervisor, this.addon);
       }
     } catch (err) {
-      this._error = `Failed to set addon network configuration, ${extractApiErrorMessage(
-        err
-      )}`;
+      this._error = this.supervisor.localize(
+        "addon.failed_to_reset",
+        "error",
+        extractApiErrorMessage(err)
+      );
     }
 
     button.progress = false;
@@ -181,17 +202,19 @@ class HassioAddonNetwork extends LitElement {
       };
       fireEvent(this, "hass-api-called", eventdata);
       if (this.addon?.state === "started") {
-        await suggestAddonRestart(this, this.hass, this.addon);
+        await suggestAddonRestart(this, this.hass, this.supervisor, this.addon);
       }
     } catch (err) {
-      this._error = `Failed to set addon network configuration, ${extractApiErrorMessage(
-        err
-      )}`;
+      this._error = this.supervisor.localize(
+        "addon.failed_to_save",
+        "error",
+        extractApiErrorMessage(err)
+      );
     }
     button.progress = false;
   }
 
-  static get styles(): CSSResult[] {
+  static get styles(): CSSResultGroup {
     return [
       haStyle,
       hassioStyle,

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

@@ -1,15 +1,8 @@
-import {
-  css,
-  CSSResult,
-  customElement,
-  html,
-  internalProperty,
-  LitElement,
-  property,
-  TemplateResult,
-} from "lit-element";
+import "../../../../src/components/ha-card";
+import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
 import "../../../../src/components/ha-circular-progress";
 import "../../../../src/components/ha-markdown";
+import { customElement, property, state } from "lit/decorators";
 import {
   fetchHassioAddonDocumentation,
   HassioAddonDetails,
@@ -19,16 +12,19 @@ import "../../../../src/layouts/hass-loading-screen";
 import { haStyle } from "../../../../src/resources/styles";
 import { HomeAssistant } from "../../../../src/types";
 import { hassioStyle } from "../../resources/hassio-style";
+import { Supervisor } from "../../../../src/data/supervisor/supervisor";
 
 @customElement("hassio-addon-documentation-tab")
 class HassioAddonDocumentationDashboard extends LitElement {
   @property({ attribute: false }) public hass!: HomeAssistant;
 
+  @property({ attribute: false }) public supervisor!: Supervisor;
+
   @property({ attribute: false }) public addon?: HassioAddonDetails;
 
-  @internalProperty() private _error?: string;
+  @state() private _error?: string;
 
-  @internalProperty() private _content?: string;
+  @state() private _content?: string;
 
   public async connectedCallback(): Promise<void> {
     super.connectedCallback();
@@ -53,7 +49,7 @@ class HassioAddonDocumentationDashboard extends LitElement {
     `;
   }
 
-  static get styles(): CSSResult[] {
+  static get styles(): CSSResultGroup {
     return [
       haStyle,
       hassioStyle,
@@ -81,9 +77,11 @@ class HassioAddonDocumentationDashboard extends LitElement {
         this.addon!.slug
       );
     } catch (err) {
-      this._error = `Failed to get addon documentation, ${extractApiErrorMessage(
-        err
-      )}`;
+      this._error = this.supervisor.localize(
+        "addon.documentation.get_logs",
+        "error",
+        extractApiErrorMessage(err)
+      );
     }
   }
 }

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

@@ -4,16 +4,8 @@ import {
   mdiInformationVariant,
   mdiMathLog,
 } from "@mdi/js";
-import {
-  css,
-  CSSResult,
-  customElement,
-  html,
-  internalProperty,
-  LitElement,
-  property,
-  TemplateResult,
-} from "lit-element";
+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 { navigate } from "../../../src/common/navigate";
@@ -21,6 +13,7 @@ import { extractSearchParam } from "../../../src/common/url/search-params";
 import "../../../src/components/ha-circular-progress";
 import {
   fetchHassioAddonInfo,
+  fetchHassioAddonsInfo,
   HassioAddonDetails,
 } from "../../../src/data/hassio/addon";
 import { extractApiErrorMessage } from "../../../src/data/hassio/common";
@@ -51,7 +44,7 @@ class HassioAddonDashboard extends LitElement {
 
   @property({ type: Boolean }) public narrow!: boolean;
 
-  @internalProperty() _error?: string;
+  @state() _error?: string;
 
   private _computeTail = memoizeOne((route: Route) => {
     const dividerPos = route.path.indexOf("/", 1);
@@ -79,7 +72,7 @@ class HassioAddonDashboard extends LitElement {
 
     const addonTabs: PageNavigation[] = [
       {
-        name: "Info",
+        translationKey: "addon.panel.info",
         path: `/hassio/addon/${this.addon.slug}/info`,
         iconPath: mdiInformationVariant,
       },
@@ -87,7 +80,7 @@ class HassioAddonDashboard extends LitElement {
 
     if (this.addon.documentation) {
       addonTabs.push({
-        name: "Documentation",
+        translationKey: "addon.panel.documentation",
         path: `/hassio/addon/${this.addon.slug}/documentation`,
         iconPath: mdiFileDocument,
       });
@@ -96,12 +89,12 @@ class HassioAddonDashboard extends LitElement {
     if (this.addon.version) {
       addonTabs.push(
         {
-          name: "Configuration",
+          translationKey: "addon.panel.configuration",
           path: `/hassio/addon/${this.addon.slug}/config`,
           iconPath: mdiCogs,
         },
         {
-          name: "Log",
+          translationKey: "addon.panel.log",
           path: `/hassio/addon/${this.addon.slug}/logs`,
           iconPath: mdiMathLog,
         }
@@ -113,11 +106,12 @@ class HassioAddonDashboard extends LitElement {
     return html`
       <hass-tabs-subpage
         .hass=${this.hass}
+        .localizeFunc=${this.supervisor.localize}
         .narrow=${this.narrow}
         .backPath=${this.addon.version ? "/hassio/dashboard" : "/hassio/store"}
         .route=${route}
-        hassio
         .tabs=${addonTabs}
+        supervisor
       >
         <span slot="header">${this.addon.name}</span>
         <hassio-addon-router
@@ -131,7 +125,7 @@ class HassioAddonDashboard extends LitElement {
     `;
   }
 
-  static get styles(): CSSResult[] {
+  static get styles(): CSSResultGroup {
     return [
       haStyle,
       hassioStyle,
@@ -172,15 +166,27 @@ class HassioAddonDashboard extends LitElement {
 
   protected async firstUpdated(): Promise<void> {
     if (this.route.path === "") {
-      const addon = extractSearchParam("addon");
-      if (addon) {
-        navigate(this, `/hassio/addon/${addon}`, true);
+      const requestedAddon = extractSearchParam("addon");
+      if (requestedAddon) {
+        const addonsInfo = await fetchHassioAddonsInfo(this.hass);
+        const validAddon = addonsInfo.addons.some(
+          (addon) => addon.slug === requestedAddon
+        );
+        if (!validAddon) {
+          this._error = this.supervisor.localize("my.error_addon_not_found");
+        } else {
+          navigate(`/hassio/addon/${requestedAddon}`, { replace: true });
+        }
       }
     }
     this.addEventListener("hass-api-called", (ev) => this._apiCalled(ev));
   }
 
   private async _apiCalled(ev): Promise<void> {
+    if (!ev.detail.success) {
+      return;
+    }
+
     const pathSplit: string[] = ev.detail.path?.split("/");
 
     if (!pathSplit || pathSplit.length === 0) {
@@ -190,7 +196,9 @@ class HassioAddonDashboard extends LitElement {
     const path: string = pathSplit[pathSplit.length - 1];
 
     if (["uninstall", "install", "update", "start", "stop"].includes(path)) {
-      fireEvent(this, "supervisor-store-refresh", { store: "supervisor" });
+      fireEvent(this, "supervisor-collection-refresh", {
+        collection: "supervisor",
+      });
     }
 
     if (path === "uninstall") {

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

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