style: fix eslint

Author: buschtoens

.eslintignore

@@ -8,11 +8,15 @@
 
 # dependencies
 /bower_components/
+/node_modules/
 
 # misc
 /coverage/
+!.*
+!.eslintrc.js
+.vscode/
 
 # ember-try
 /.node_modules.ember-try/
-
-/tests/
+/bower.json.ember-try
+/package.json.ember-try

.eslintrc.js

@@ -1,4 +1,55 @@
+'use strict';
+
+// @TODO this can be removed once `trailingComma` is enabled upstream by default
+const prettierTrailingComma = {
+  'prettier/prettier': [
+    'error',
+    require('@clark/prettier-config/trailing-comma'),
+  ],
+};
+
+const ruleOverrides = {
+  ...prettierTrailingComma,
+};
+
 module.exports = {
   root: true,
-  extends: '@clark/node'
+  extends: ['@clark'],
+  parser: '@babel/eslint-parser',
+  parserOptions: {
+    requireConfigFile: false,
+  },
+  rules: {
+    ...ruleOverrides,
+  },
+  overrides: [
+    {
+      files: ['app/**/*.js'],
+      extends: '@clark/ember',
+      rules: { ...ruleOverrides },
+    },
+    {
+      files: ['addon-test-support/**/*.js', 'tests/**/*.js'],
+      excludedFiles: ['tests/dummy/config/**/*.js'],
+      extends: '@clark/ember/test',
+      rules: { ...ruleOverrides },
+    },
+    {
+      files: ['addon-test-support/**/*.js'],
+      rules: {
+        'qunit/no-commented-tests': 'off',
+      },
+    },
+    {
+      files: [
+        './*.js',
+        'blueprints/*/index.js',
+        'config/**/*.js',
+        'tests/dummy/config/**/*.js',
+        'lib/**/*.js',
+      ],
+      extends: '@clark/node',
+      rules: { ...ruleOverrides },
+    },
+  ],
 };

.template-lintrc.js

@@ -1,5 +1,5 @@
 'use strict';
 
 module.exports = {
-  extends: 'recommended'
+  extends: 'recommended',
 };

index.js

@@ -14,5 +14,5 @@ module.exports = {
 
   createCssModulesPlugin(parent) {
     return new ClarkPlugin(parent);
-  }
+  },
 };

lib/clark-plugin.js

@@ -47,12 +47,12 @@ module.exports = class ClarkPlugin extends Plugin {
       // Iterate over lists with @each
       require('postcss-advanced-variables')({
         disable: '@mixin, @include, @content',
-        unresolved: 'ignore'
+        unresolved: 'ignore',
       }),
 
       // https://github.com/jonathantneal/postcss-short
       // Shorthand properties
-      require('postcss-short')
+      require('postcss-short'),
 
       // https://github.com/simonsmith/postcss-property-lookup
       // Lookup property values of the current rule set, e.g. padding-top: @margin-bottom
@@ -100,15 +100,15 @@ module.exports = class ClarkPlugin extends Plugin {
           'matches-pseudo-class': true,
           'has-pseudo-class': true,
 
-          'custom-selectors': true
+          'custom-selectors': true,
         },
 
         autoprefixer: {
           // We don't manually apply prefixes unless they are really necessary,
           // e.g.when dealing with quirks, therefore we disable removing them.
-          remove: false
-        }
-      })
+          remove: false,
+        },
+      }),
     ];
 
     for (const [stage, plugins] of Object.entries({ before, after })) {
@@ -119,8 +119,8 @@ module.exports = class ClarkPlugin extends Plugin {
       postcssOptions: {
         // https://github.com/postcss/postcss-scss
         // This allows you to use inline comments, like this one here.
-        parser: require('postcss-scss')
-      }
+        parser: require('postcss-scss'),
+      },
     };
   }
 };

package.json

@@ -36,6 +36,8 @@
     "postcss-short": "^5.0.0"
   },
   "devDependencies": {
+    "@babel/eslint-parser": "^7.14.7",
+    "@clark/eslint-config-ember": "^2.2.0",
     "@clark/eslint-config-node": "^2.2.0",
     "@clark/prettier-config": "^2.2.0",
     "@ember/optional-features": "^2.0.0",

testem.js

@@ -14,8 +14,8 @@ module.exports = {
         '--disable-software-rasterizer',
         '--mute-audio',
         '--remote-debugging-port=0',
-        '--window-size=1440,900'
-      ].filter(Boolean)
-    }
-  }
+        '--window-size=1440,900',
+      ].filter(Boolean),
+    },
+  },
 };

tests/dummy/app/app.js

@@ -1,4 +1,5 @@
 import Application from '@ember/application';
+
 import loadInitializers from 'ember-load-initializers';
 
 import config from './config/environment';

tests/dummy/app/router.js

@@ -1,10 +1,10 @@
 import EmberRouter from '@ember/routing/router';
+
 import config from './config/environment';
 
 export default class Router extends EmberRouter {
   location = config.locationType;
   rootURL = config.rootURL;
-};
+}
 
-Router.map(function() {
-});
+Router.map(function () {});

tests/dummy/config/environment.js

@@ -1,7 +1,7 @@
 'use strict';
 
-module.exports = function(environment) {
-  let ENV = {
+module.exports = function (environment) {
+  const ENV = {
     modulePrefix: 'dummy',
     environment,
     rootURL: '/',
@@ -13,14 +13,14 @@ module.exports = function(environment) {
       },
       EXTEND_PROTOTYPES: {
         // Prevent Ember Data from overriding Date.parse.
-        Date: false
-      }
+        Date: false,
+      },
     },
 
     APP: {
       // Here you can pass flags/options to your application instance
       // when it is created
-    }
+    },
   };
 
   if (environment === 'development') {