ui: match eslintrc with ember-new-output

ui/.eslintrc.js

@@ -2,17 +2,6 @@
 
 module.exports = {
   root: true,
-  globals: {
-    server: true,
-  },
-  env: {
-    browser: true,
-    es6: true,
-  },
-  extends: [
-    'eslint:recommended',
-    'plugin:ember/recommended',
-  ],
   parser: 'babel-eslint',
   parserOptions: {
     ecmaVersion: 2018,
@@ -21,20 +10,15 @@ module.exports = {
       legacyDecorators: true,
     },
   },
-  plugins: [
-    'ember'
-  ],
+  globals: {
+    server: true,
+  },
+  env: {
+    browser: true,
+  },
+  plugins: ['ember'],
+  extends: ['eslint:recommended', 'plugin:ember/recommended', 'plugin:prettier/recommended'],
   rules: {
-    indent: ['error', 2, { SwitchCase: 1 }],
-    'linebreak-style': ['error', 'unix'],
-    quotes: ['error', 'single', 'avoid-escape'],
-    semi: ['error', 'always'],
-    'no-constant-condition': [
-      'error',
-      {
-        checkLoops: false,
-      },
-    ],
     'ember/classic-decorator-hooks': 'error',
     'ember/classic-decorator-no-classic-methods': 'error',
     'ember/no-get': 'off',
@@ -45,13 +29,14 @@ module.exports = {
     {
       files: [
         '.eslintrc.js',
+        '.prettierrc.js',
         '.template-lintrc.js',
         'ember-cli-build.js',
         'testem.js',
         'blueprints/*/index.js',
         'config/**/*.js',
-        'server/**/*.js',
         'lib/*/index.js',
+        'server/**/*.js',
       ],
       parserOptions: {
         sourceType: 'script',
@@ -62,13 +47,13 @@ module.exports = {
       },
       plugins: ['node'],
       rules: {
-        'node/no-unpublished-require': 'off'
+        // this can be removed once the following is fixed
+        // https://github.com/mysticatea/eslint-plugin-node/issues/77
+        'node/no-unpublished-require': 'off',
       },
     },
     {
-      files: [
-        'stories/**/*.js'
-      ],
+      files: ['stories/**/*.js'],
       parserOptions: {
         sourceType: 'module',
       },

ui/.prettierignore

@@ -0,0 +1,21 @@
+# unconventional js
+/blueprints/*/files/
+/vendor/
+
+# compiled output
+/dist/
+/tmp/
+
+# dependencies
+/bower_components/
+/node_modules/
+
+# misc
+/coverage/
+!.*
+.eslintcache
+
+# ember-try
+/.node_modules.ember-try/
+/bower.json.ember-try
+/package.json.ember-try

ui/.prettierrc.js

@@ -0,0 +1,5 @@
+'use strict';
+
+module.exports = {
+  singleQuote: true,
+};