Fixes #21575 - Use hound to run eslint

Adding eslint to hound.yml, fixing lint errors,
and adding eslint-plugin-prettier for prettier
enforcement.

http://projects.theforeman.org/issues/21575

.babelrc

@@ -1,4 +1,10 @@
 {
-  "presets": ["env", "react"],
-  "plugins": ["transform-object-rest-spread", "transform-class-properties"]
+  "presets": [
+    "env",
+    "react"
+  ],
+  "plugins": [
+    "transform-object-rest-spread",
+    "transform-class-properties"
+  ]
 }

.eslintignore

@@ -0,0 +1,3 @@
+# Ignore all files except webpack directory
+**/*.js
+!webpack/**/*.js

.eslintrc

@@ -0,0 +1,17 @@
+{
+  "env": {
+    "browser": true,
+    "jest/globals": true
+  },
+  "extends": [
+    "airbnb",
+    "plugin:jest/recommended"
+  ],
+  "plugins": [
+    "jest",
+    "react"
+  ],
+  "rules": {
+    "react/jsx-filename-extension": "off"
+  }
+}

.hound.yml

@@ -8,6 +8,8 @@ jshint:
   enabled: false
 
 eslint:
-  enabled: false
+  enabled: true
+  config_file: .eslintrc
+  ignore_file: .eslintignore
 
 fail_on_violations: true

engines/bastion_katello/.eslintrc

@@ -0,0 +1,3 @@
+{
+  "root": true
+}

package.json

@@ -5,9 +5,9 @@
     "test": "jest webpack",
     "test:watch": "jest webpack --watchAll",
     "test:current": "jest webpack --watch",
-    "format": "prettier --single-quote --trailing-comma es5 --write 'webpack/**/*.js' '*.{js,json}'",
+    "format": "prettier --single-quote --trailing-comma es5 --write 'webpack/**/*.js'",
     "build": "npm run format && npm run lint",
-    "lint": "eslint --fix webpack/index.js || exit 0"
+    "lint": "eslint --fix webpack/ || exit 0"
   },
   "repository": {
     "type": "git",

webpack/containers/Application/config.js

@@ -2,6 +2,7 @@ import Welcome from '../../scenes/Welcome';
 import Dashboard from '../../scenes/Dashboard';
 import Repos from '../../scenes/Repos';
 
+// eslint-disable-next-line import/prefer-default-export
 export const links = [
   {
     text: 'Welcome',

webpack/index.js

@@ -1,4 +1,7 @@
 import { applyMiddleware } from 'redux';
+/* eslint import/no-unresolved: [2, { ignore: [foremanReact/*] }] */
+/* eslint-disable import/no-extraneous-dependencies */
+/* eslint-disable import/extensions */
 
 import componentRegistry from 'foremanReact/components/componentRegistry';
 import { mount } from 'foremanReact/common/MountingService';
@@ -10,4 +13,4 @@ componentRegistry.register({
   type: ExperimentalUi,
 });
 
-mount('xui_katello', '#reactRoot');
+mount('xui_katello', '#reactRoot');