merge config/es6 into config/recommended

Author: koddsson

lib/configs/app.js

@@ -7,5 +7,5 @@ module.exports = {
     'github/no-dataset': 'error',
     'github/no-then': 'error'
   },
-  extends: [require.resolve('./recommended'), require.resolve('./es6'), require.resolve('./browser')]
+  extends: [require.resolve('./recommended'), require.resolve('./browser')]
 }

lib/configs/es6.js

@@ -1,8 +1,14 @@
 module.exports = {
-  plugins: ['github', 'prettier', 'eslint-comments'],
+  parserOptions: {
+    ecmaFeatures: {
+      ecmaVersion: 6
+    },
+    sourceType: 'module'
+  },
   env: {
-    commonjs: true
+    es6: true
   },
+  plugins: ['github', 'prettier', 'eslint-comments', 'import'],
   rules: {
     'constructor-super': 'error',
     'eslint-comments/disable-enable-pair': 'off',
@@ -13,7 +19,31 @@ module.exports = {
     'eslint-comments/no-unused-enable': 'error',
     'eslint-comments/no-use': ['error', {allow: ['eslint', 'eslint-disable-next-line', 'eslint-env', 'globals']}],
     'func-style': ['error', 'declaration', {allowArrowFunctions: true}],
+    'github/array-foreach': 'error',
     'github/no-implicit-buggy-globals': 'error',
+    'import/default': 'error',
+    'import/export': 'error',
+    'import/first': 'error',
+    'import/named': 'error',
+    'import/namespace': 'error',
+    'import/no-absolute-path': 'error',
+    'import/no-anonymous-default-export': [
+      'error',
+      {
+        allowAnonymousClass: false,
+        allowAnonymousFunction: false,
+        allowArray: true,
+        allowArrowFunction: false,
+        allowLiteral: true,
+        allowObject: true
+      }
+    ],
+    'import/no-deprecated': 'error',
+    'import/no-duplicates': 'error',
+    'import/no-mutable-exports': 'error',
+    'import/no-named-as-default': 'error',
+    'import/no-named-as-default-member': 'error',
+    'import/no-namespace': 'error',
     'no-case-declarations': 'error',
     'no-class-assign': 'error',
     'no-compare-neg-zero': 'error',
@@ -61,13 +91,25 @@ module.exports = {
     'no-unused-vars': 'error',
     'no-useless-concat': 'error',
     'no-useless-escape': 'error',
+    'no-var': 'error',
     'object-shorthand': ['error', 'always', {avoidQuotes: true}],
+    'prefer-const': 'error',
     'prefer-promise-reject-errors': 'error',
+    'prefer-rest-params': 'error',
+    'prefer-spread': 'error',
+    'prefer-template': 'error',
     'prettier/prettier': 'error',
     'require-yield': 'error',
     'use-isnan': 'error',
     'valid-typeof': 'error',
     camelcase: ['error', {properties: 'always'}],
     eqeqeq: ['error', 'smart']
+  },
+  settings: {
+    'import/resolver': {
+      node: {
+        extensions: ['.js', '.ts']
+      }
+    }
   }
 }

lib/configs/recommended.js

@@ -17,7 +17,6 @@ module.exports = {
   configs: {
     app: require('./configs/app'),
     browser: require('./configs/browser'),
-    es6: require('./configs/es6'),
     recommended: require('./configs/recommended'),
     typescript: require('./configs/typescript')
   }