Fix build

package.json

@@ -16,9 +16,6 @@
   },
   "homepage": "https://github.com/hacs/frontend#readme",
   "devDependencies": {
-    "@babel/core": "^7.6.4",
-    "@babel/plugin-proposal-class-properties": "^7.4.0",
-    "@babel/plugin-proposal-decorators": "^7.4.0",
     "@rollup/plugin-json": "^4.0.0",
     "@typescript-eslint/eslint-plugin": "^2.4.0",
     "@typescript-eslint/parser": "^2.4.0",
@@ -33,7 +30,6 @@
     "node-emoji": "^1.10.0",
     "patch-package": "^6.2.0",
     "prettier": "^1.16.4",
-    "rollup-plugin-babel-minify": "^9.1.1",
     "rollup-plugin-babel": "^4.3.2",
     "rollup-plugin-cleanup": "^3.1.1",
     "rollup-plugin-commonjs": "^10.1.0",
@@ -42,6 +38,7 @@
     "rollup-plugin-node-resolve": "^5.2.0",
     "rollup-plugin-progress": "^1.1.1",
     "rollup-plugin-sizes": "^1.0.1",
+    "rollup-plugin-terser": "^5.1.2",
     "rollup-plugin-typescript2": "^0.24.3",
     "rollup": "^1.24.0",
     "sweetalert": "^2.1.2",

rollup.config.debug.js

@@ -1,7 +1,6 @@
 import nodeResolve from "rollup-plugin-node-resolve";
 import commonjs from "rollup-plugin-commonjs";
 import typescript from "rollup-plugin-typescript2";
-import babel from "rollup-plugin-babel";
 import json from "@rollup/plugin-json";
 import gzipPlugin from "rollup-plugin-gzip";
 
@@ -11,14 +10,5 @@ export default {
     file: `hacs_frontend/debug.js`,
     format: "es"
   },
-  plugins: [
-    nodeResolve({}),
-    commonjs(),
-    typescript(),
-    json(),
-    babel({
-      exclude: "node_modules/**"
-    }),
-    gzipPlugin()
-  ]
+  plugins: [nodeResolve({}), commonjs(), typescript(), json(), gzipPlugin()]
 };

rollup.config.js

@@ -1,11 +1,9 @@
 import { terser } from "rollup-plugin-terser";
-import babel from "rollup-plugin-babel";
 import cleanup from "rollup-plugin-cleanup";
 import commonjs from "rollup-plugin-commonjs";
 import dev from "rollup-plugin-dev";
 import gzipPlugin from "rollup-plugin-gzip";
 import json from "@rollup/plugin-json";
-import minify from "rollup-plugin-babel-minify";
 import nodeResolve from "rollup-plugin-node-resolve";
 import progress from "rollup-plugin-progress";
 import sizes from "rollup-plugin-sizes";
@@ -18,9 +16,8 @@ const opts_json = {
   preferConst: true
 };
 
-const opts_babel = {
-  exclude: "node_modules/**",
-  sourceMap: "inline"
+const opts_terser = {
+  mangle: false
 };
 
 const opts_dev = {
@@ -43,9 +40,7 @@ const AwesomePlugins = [
   commonjs(),
   typescript(),
   json(opts_json),
-  babel(opts_babel),
-  !isdev && minify(),
-  !isdev && terser(),
+  !isdev && terser(opts_terser),
   !isdev && cleanup(opts_cleanup),
   isdev && sizes(),
   isdev && sizes(opts_sizes),

src/HacsFrontend.ts

@@ -1,4 +1,4 @@
-/* eslint-disable no-console, no-undef, prefer-destructuring, prefer-destructuring, no-constant-condition, max-len */
+/* eslint-disable no-undef, prefer-destructuring, prefer-destructuring, no-constant-condition, max-len */
 import { HomeAssistant } from "custom-card-helpers";
 import {
   css,