Free your mind of the babel and the packed web

ember-cli-storybook and storybook itself has progressed to the point
where the DIY configs aren't necessary. It's all swept under the
`framework: '@storybook/ember'` config in main.js. Yay!

ui/.storybook/babel.config.js

@@ -1,53 +0,0 @@
-/**
- * Copyright (c) HashiCorp, Inc.
- * SPDX-License-Identifier: MPL-2.0
- */
-
-/* eslint-env node */
-
-const templateCompiler = require('ember-source/dist/ember-template-compiler');
-
-module.exports = {
-  presets: [
-    [
-      '@babel/preset-env',
-      {
-        shippedProposals: true,
-        useBuiltIns: 'usage',
-        corejs: '3',
-        targets: [
-          'last 1 Chrome versions',
-          'last 1 Firefox versions',
-          'last 1 Safari versions',
-        ],
-      },
-    ],
-  ],
-  plugins: [
-    [
-      '@babel/plugin-proposal-decorators',
-      {
-        legacy: true,
-      },
-    ],
-    ['@babel/plugin-proposal-class-properties', { loose: true }],
-    '@babel/plugin-syntax-dynamic-import',
-    [
-      '@babel/plugin-proposal-object-rest-spread',
-      { loose: true, useBuiltIns: true },
-    ],
-    'babel-plugin-macros',
-    ['emotion', { sourceMap: true, autoLabel: true }],
-    [
-      'babel-plugin-htmlbars-inline-precompile',
-      {
-        precompile: templateCompiler.precompile,
-        modules: {
-          'ember-cli-htmlbars': 'hbs',
-          'ember-cli-htmlbars-inline-precompile': 'default',
-          'htmlbars-inline-precompile': 'default',
-        },
-      },
-    ],
-  ],
-};

ui/.storybook/main.js

@@ -5,6 +5,7 @@
 
 /* eslint-env node */
 module.exports = {
+  framework: '@storybook/ember',
   addons: [
     '@storybook/addon-docs',
     '@storybook/addon-storysource',
@@ -16,4 +17,7 @@ module.exports = {
     '../stories/components/*.stories.js',
     '../stories/charts/*.stories.js',
   ],
+  core: {
+    builder: '@storybook/builder-webpack4',
+  },
 };

ui/.storybook/webpack.config.js

@@ -1,15 +0,0 @@
-/**
- * Copyright (c) HashiCorp, Inc.
- * SPDX-License-Identifier: MPL-2.0
- */
-
-/* eslint-env node */
-module.exports = function ({ config }) {
-  config.module.rules.push({
-    test: /\.stories\.jsx?$/,
-    loaders: [require.resolve('@storybook/source-loader')],
-    enforce: 'pre',
-  });
-
-  return config;
-};