chore(storybook): storybook upgraded to v6.5.5 (#117)

* chore(storybook): storybook upgraded to v6.5.5

* chore(storybook): lit expression comments cleared in v6.5

Manual modification in storybook configuration is not needed anymore.

For more information: storybookjs/storybook#18108

Co-authored-by: Murat Çorlu <[email protected]>

.eslintrc.js

@@ -0,0 +1,43 @@
+module.exports = {
+  root: true,
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    ecmaVersion: 2020,
+    sourceType: 'module',
+  },
+  extends: [
+    'prettier',
+    'eslint:recommended',
+    'plugin:@typescript-eslint/eslint-recommended',
+    'plugin:@typescript-eslint/recommended',
+  ],
+  plugins: ['@typescript-eslint'],
+  env: {
+    browser: true,
+  },
+  globals: {
+    process: 'readonly',
+  },
+  rules: {
+    strict: ['error', 'never'],
+  },
+  overrides: [
+    {
+      files: ['rollup.config.js', 'web-test-runner.config.js'],
+      env: {
+        node: true,
+      },
+    },
+    {
+      files: [
+        '*.test.ts',
+        '**/custom_typings/*.ts',
+        'packages/lit-ssr/src/test/integration/tests/**',
+        'packages/lit-ssr/src/lib/util/parse5-utils.ts',
+      ],
+      rules: {
+        '@typescript-eslint/no-explicit-any': 'off',
+      },
+    },
+  ],
+};

.storybook/preview.js

@@ -9,8 +9,6 @@ export const parameters = {
   docs: {
     transformSource: source =>
       source
-        // Clean Lit Expression Comments
-        .replace(/<!--\?lit\$[0-9]+\$-->|<!--\??-->/g, '')
         // Clean empty boolean attribute values
         .replace(/=\"\"/g, ''),
   },