refactor: Drop dependency on lerna & airbnb

BREAKING CHANGE: This switches our linting to an entirely new
set of rules. For the most part we're trying to stay consistent
with the old format to reduce churn but it explicitly is a departure.

es5.js

@@ -0,0 +1,20 @@
+'use strict';
+
+module.exports = {
+  parserOptions: {
+    sourceType: 'script',
+    ecmaVersion: 5,
+  },
+  rules: {
+    'no-param-reassign': 0,
+    'prefer-rest-params': 0,
+    'no-underscore-dangle': [2, { allowAfterThis: true }],
+    strict: [2, 'global'],
+    'comma-dangle': [2, {
+      arrays: 'always-multiline',
+      objects: 'always-multiline',
+      functions: 'never',
+    }],
+    'prefer-spread': 0,
+  }
+};

examples/eslint/es5/.eslintrc.js

@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('../../../es5');

examples/eslint/es5/no-arrow.js

@@ -0,0 +1,3 @@
+'use strict';
+
+(() => {})();

examples/eslint/es5/no-arrow.js.json

@@ -0,0 +1,3 @@
+{
+  "errorCount": 1
+}

examples/eslint/node4/.eslintrc.js

@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('../../../node4');

examples/eslint/node6/.eslintrc.js

@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('../../../node6');

examples/stylint/import-css.css

@@ -0,0 +1,2 @@
+/* .css files can be included - but we don't support inline css blocks. */
+@import('./raw.css');

node4.js

@@ -0,0 +1,24 @@
+'use strict';
+
+module.exports = {
+  parserOptions: {
+    ecmaVersion: 2017,
+    sourceType: 'script',
+  },
+  plugins: [
+    'node',
+  ],
+  rules: {
+    'node/no-unsupported-features': [2, { version: 4 }],
+    'no-param-reassign': 0,
+    'prefer-rest-params': 0,
+    'no-underscore-dangle': [2, { allowAfterThis: true }],
+    strict: [2, 'global'],
+    'comma-dangle': [2, {
+      arrays: 'always-multiline',
+      objects: 'always-multiline',
+      functions: 'never',
+    }],
+    'prefer-spread': 0,
+  }
+};

node6.js

@@ -0,0 +1,21 @@
+'use strict';
+
+module.exports = {
+  parserOptions: {
+    ecmaVersion: 2017,
+    sourceType: 'script',
+  },
+  plugins: [
+    'node',
+  ],
+  rules: {
+    'node/no-unsupported-features': [2, { version: 6 }],
+    'no-underscore-dangle': [2, { allowAfterThis: true }],
+    strict: [2, 'global'],
+    'comma-dangle': [2, {
+      arrays: 'always-multiline',
+      objects: 'always-multiline',
+      functions: 'never',
+     }],
+  }
+};

package.json

@@ -1,9 +1,8 @@
 {
-  "name": "groupon-styleguide",
-  "version": "3.2.0",
-  "private": true,
+  "name": "eslint-config-groupon",
+  "version": "4.1.4",
   "scripts": {
-    "test": "eslint test/valid/eslint && coffeelint -q test/valid/coffeelint && stylint test/valid/stylint"
+    "test": "mocha"
   },
   "license": "BSD-3-Clause",
   "repository": {
@@ -15,27 +14,19 @@
     "email": "jan.krems@groupon.com"
   },
   "dependencies": {
-    "coffeelint-config-groupon": "file:./packages/coffeelint-config-groupon",
     "coffeelint-forbidden-keywords": "~0.1.1",
     "coffeelint-no-mocha-only": "^1.0.0",
     "coffeelint-use-strict": "^1.0.0",
     "coffeescope2": "~0.4.2",
-    "eslint-config-groupon": "file:./packages/eslint-config-groupon",
-    "eslint-config-groupon-es5": "file:./packages/eslint-config-groupon-es5",
-    "eslint-config-groupon-node4": "file:./packages/eslint-config-groupon-node4",
-    "eslint-config-groupon-node6": "file:./packages/eslint-config-groupon-node6",
-    "eslint-config-groupon-react": "file:./packages/eslint-config-groupon-react",
-    "eslint-plugin-jsx-a11y": "^2.2.3",
     "eslint-plugin-import": "^2.2.0",
-    "eslint-plugin-node": "^2.0.0",
-    "eslint-plugin-react": "^6.6.0",
-    "stylint-config-groupon": "file:./packages/stylint-config-groupon"
+    "eslint-plugin-node": "^2.0.0"
   },
   "devDependencies": {
     "coffee-script": "^1.10.0",
     "coffeelint": "^1.15.7",
-    "eslint": "^3.12.2",
-    "stylint": "^1.5.7",
-    "lerna": "2.0.0-beta.30"
+    "eslint": "^4.4.1",
+    "globby": "^6.1.0",
+    "mocha": "^3.5.0",
+    "stylint": "^1.5.7"
   }
 }