chore: add eslint config

.eslintrc.js

@@ -1,62 +1,4 @@
-const fromPairs = require('lodash.frompairs');
-
 module.exports = {
   root: true,
-  plugins: ['ember', 'prettier'],
-  extends: [
-    'eslint:recommended',
-    'plugin:ember/recommended',
-    'plugin:prettier/recommended'
-  ],
-  env: {
-    browser: true
-  },
-  rules: {
-    'ember/named-functions-in-promises': 'off',
-    'no-var': 'error',
-    'prefer-const': 'error'
-  },
-  overrides: [
-    // node files
-    {
-      files: [
-        '.eslintrc.js',
-        '.template-lintrc.js',
-        'ember-cli-build.js',
-        'index.js',
-        'testem.js',
-        'blueprints/*/index.js',
-        'config/**/*.js',
-        'tests/dummy/config/**/*.js',
-        'lib/*/index.js'
-      ],
-      excludedFiles: [
-        'addon/**',
-        'addon-test-support/**',
-        'app/**',
-        'tests/dummy/app/**'
-      ],
-      parserOptions: {
-        sourceType: 'script',
-        ecmaVersion: 2015
-      },
-      env: {
-        browser: false,
-        node: true
-      },
-      plugins: ['node'],
-      rules: Object.assign(
-        {},
-        require('eslint-plugin-node').configs.recommended.rules,
-        fromPairs(
-          Object.keys(
-            require('eslint-plugin-ember').configs.recommended.rules
-          ).map(k => [k, 'off'])
-        ),
-        {
-          // add your custom rules and overrides for node files here
-        }
-      )
-    }
-  ]
+  extends: '@clark/node'
 };

addon/.eslintrc.js

@@ -0,0 +1,4 @@
+module.exports = {
+  root: true,
+  extends: '@clark/ember'
+};

app/.eslintrc.js

@@ -0,0 +1,4 @@
+module.exports = {
+  root: true,
+  extends: '@clark/ember'
+};

lib/an-engine/addon/.eslintrc.js

@@ -0,0 +1,4 @@
+module.exports = {
+  root: true,
+  extends: '@clark/ember'
+};

package.json

@@ -29,6 +29,8 @@
     "ember-cli-htmlbars": "^4.0.0"
   },
   "devDependencies": {
+    "@clark/eslint-config-ember": "^1.22.0",
+    "@clark/eslint-config-node": "^1.21.0",
     "@ember/optional-features": "^1.0.0",
     "an-engine": "link:./lib/an-engine",
     "broccoli-asset-rev": "^3.0.0",

tests/.eslintrc.js

@@ -0,0 +1,4 @@
+module.exports = {
+  root: true,
+  extends: '@clark/ember'
+};

tests/dummy/config/.eslintrc.js

@@ -0,0 +1,4 @@
+module.exports = {
+  root: true,
+  extends: '@clark/node'
+};