Use Arctic Ice Studio's base ESLint config

The previously used ESLint rules have been replaced with the base config's
"eslint-config-arcticicestudio-base" (1).

References:

  (1) https://www.npmjs.com/package/eslint-config-arcticicestudio-base

GH-75

.eslintignore

@@ -0,0 +1,9 @@
+# Copyright (c) 2017-present Arctic Ice Studio <development@arcticicestudio.com>
+# Copyright (c) 2017-present Sven Greb <development@svengreb.de>
+#
+# Project:    Nord Visual Studio Code
+# Repository: https://github.com/arcticicestudio/nord-visual-studio-code
+# License:    MIT
+
+assets/*
+node_modules/*

.eslintrc.js

@@ -1,75 +1,27 @@
 /*
  * Copyright (c) 2017-present Arctic Ice Studio <development@arcticicestudio.com>
- * Copyright (c) 2017-present Sven Greb <code@svengreb.de>
+ * Copyright (c) 2017-present Sven Greb <development@svengreb.de>
  *
  * Project:    Nord Visual Studio Code
  * Repository: https://github.com/arcticicestudio/nord-visual-studio-code
  * License:    MIT
- * References:
- *   http://eslint.org/docs/rules
- *   http://eslint.org/docs/user-guide/configuring
- *   http://eslint.org/docs/user-guide/configuring#using-configuration-files
- *   http://eslint.org/docs/user-guide/configuring#specifying-environments
- *   http://eslint.org/docs/user-guide/configuring.html#specifying-globals
+ */
+
+/**
+ * @file The ESLint configuration.
+ * @author Arctic Ice Studio <development@arcticicestudio.com>
+ * @author Sven Greb <development@svengreb.de>
  */
 
 module.exports = {
-  "env": {
-    "node": true,
-    "es6": true,
-    "browser": true
-  },
-  "parserOptions": {
-    "ecmaVersion": 6,
-    "ecmaFeatures": {}
+  extends: "arcticicestudio-base",
+  plugins: ["json", "prettier"],
+  parser: "babel-eslint",
+  env: {
+    node: true,
+    browser: true
   },
-  "plugins": [
-    "json"
-  ],
-  "extends": [
-    "eslint:recommended"
-  ],
-  "rules": {
-    // Style Guide
-    "array-bracket-spacing": ["error", "never"],
-    "comma-dangle": ["error", "never"],
-    "curly":["error", "all"],
-    "func-call-spacing": ["error", "never"],
-    "indent": ["error", 2],
-    "linebreak-style": ["error", "unix"],
-    "no-duplicate-imports": "error",
-    "no-floating-decimal": "error",
-    "no-tabs": "error",
-    "no-trailing-spaces": ["error", {
-      "skipBlankLines": false
-    }],
-    "no-var": "error",
-    "no-whitespace-before-property": "error",
-    "quotes": ["error", "double"],
-    "semi": ["error", "always"],
-    // Error Prevention
-    "no-cond-assign": ["error", "always"],
-    "no-console": "off",
-    // Code Performance
-    "global-require": "warn",
-    // Documentation
-    "require-jsdoc": ["warn", {
-      "require": {
-        "FunctionDeclaration": true,
-        "MethodDefinition": false,
-        "ClassDeclaration": true,
-        "ArrowFunctionExpression": false
-      }
-    }],
-    "valid-jsdoc": ["error", {
-      "prefer": {
-        "arg": "param",
-        "argument": "param",
-        "class": "constructor",
-        "virtual": "abstract"
-      },
-      "requireParamDescription": true,
-      "requireReturnDescription": true
-    }]
+  rules: {
+    "prettier/prettier": "error"
   }
 };

.prettierignore

@@ -5,5 +5,6 @@
 # Repository: https://github.com/arcticicestudio/nord-visual-studio-code
 # License:    MIT
 
+assets/*
 node_modules/*
 package-lock.json