diff --git a/index.js b/index.js
index 5913de7..5ca6958 100644
--- a/index.js
+++ b/index.js
@@ -63,55 +63,55 @@ module.exports = {
     'no-param-reassign': 'error',
     'no-proto': 'error',
     'no-restricted-properties': 'error',
-    'no-return-assign': null, // https://eslint.org/docs/rules/no-return-assign // disallow assignment operators in `return` statements
+    'no-return-assign': ['error', 'except-parens'],
     'no-return-await': 'error',
-    'no-script-url': null, // https://eslint.org/docs/rules/no-script-url // disallow `javascript:` urls
+    'no-script-url': 'error',
     'no-self-compare': 'error',
-    'no-sequences': null, // https://eslint.org/docs/rules/no-sequences // disallow comma operators
-    'no-throw-literal': null, // https://eslint.org/docs/rules/no-throw-literal // disallow throwing literals as exceptions
-    'no-unmodified-loop-condition': null, // https://eslint.org/docs/rules/no-unmodified-loop-condition // disallow unmodified loop conditions
+    'no-sequences': 'error',
+    'no-throw-literal': 'error',
+    'no-unmodified-loop-condition': 'error',
     'no-unused-expressions': 'error',
-    'no-useless-call': null, // https://eslint.org/docs/rules/no-useless-call // disallow unnecessary calls to `.call()` and `.apply()`
+    'no-useless-call': 'error',
     'no-useless-concat': 'error',
     'no-useless-return': 'error',
-    'no-void': null, // https://eslint.org/docs/rules/no-void // disallow `void` operators
-    'no-warning-comments': null, // https://eslint.org/docs/rules/no-warning-comments // disallow specified warning terms in comments
-    'prefer-named-capture-group': null, // https://eslint.org/docs/rules/prefer-named-capture-group // enforce using named capture group in regular expression
-    'prefer-promise-reject-errors': null, // https://eslint.org/docs/rules/prefer-promise-reject-errors // require using Error objects as Promise rejection reasons
-    'prefer-regex-literals': null, // https://eslint.org/docs/rules/prefer-regex-literals // disallow use of the `RegExp` constructor in favor of regular expression literals
-    radix: '', // enforce the consistent use of the radix argument when using `parseInt()`
+    'no-void': 'error',
+    'no-warning-comments': 'warn',
+    'prefer-named-capture-group': 'warn',
+    'prefer-promise-reject-errors': 'error',
+    'prefer-regex-literals': 'error',
+    radix: ['error', 'as-needed'],
     'require-await': 'error',
-    'require-unicode-regexp': null, // https://eslint.org/docs/rules/require-unicode-regexp // enforce the use of `u` flag on RegExp
+    'require-unicode-regexp': 'error',
     'vars-on-top': 'error',
-    'wrap-iife': null, // https://eslint.org/docs/rules/wrap-iife // require parentheses around immediate `function` invocations
-    yoda: '', // require or disallow "Yoda" conditions
-    // ## Strict Mode
-    //     These rules relate to strict mode directives:
+    'wrap-iife': ['error', 'inside'],
+    yoda: ['error', 'always', { exceptRange: true }],
+
+    // Strict Mode https://eslint.org/docs/rules/#strict-mode
     strict: ['error', 'safe'],
-    // ## Variables
-    //     These rules relate to variable declarations:
-    'init-declarations': null, // https://eslint.org/docs/rules/init-declarations // require or disallow initialization in variable declarations
-    'no-label-var': null, // https://eslint.org/docs/rules/no-label-var // disallow labels that share a name with a variable
-    'no-restricted-globals': null, // https://eslint.org/docs/rules/no-restricted-globals // disallow specified global variables
-    'no-shadow': null, // https://eslint.org/docs/rules/no-shadow // disallow variable declarations from shadowing variables declared in the outer scope
-    'no-undef-init': null, // https://eslint.org/docs/rules/no-undef-init // disallow initializing variables to `undefined`
-    'no-undefined': null, // https://eslint.org/docs/rules/no-undefined // disallow the use of `undefined` as an identifier
-    'no-use-before-define': null, // https://eslint.org/docs/rules/no-use-before-define // disallow the use of variables before they are defined
-    // ## Node.js and CommonJS
-    //     These rules relate to code running in Node.js, or in browsers with CommonJS:
-    'callback-return': null, // https://eslint.org/docs/rules/callback-return // require `return` statements after callbacks
-    'global-require': null, // https://eslint.org/docs/rules/global-require // require `require()` calls to be placed at top-level module scope
-    'handle-callback-err': null, // https://eslint.org/docs/rules/handle-callback-err // require error handling in callbacks
-    'no-buffer-constructor': null, // https://eslint.org/docs/rules/no-buffer-constructor // disallow use of the `Buffer()` constructor
-    'no-mixed-requires': null, // https://eslint.org/docs/rules/no-mixed-requires // disallow `require` calls to be mixed with regular variable declarations
-    'no-new-require': null, // https://eslint.org/docs/rules/no-new-require // disallow `new` operators with calls to `require`
-    'no-path-concat': null, // https://eslint.org/docs/rules/no-path-concat // disallow string concatenation with `__dirname` and `__filename`
-    'no-process-env': null, // https://eslint.org/docs/rules/no-process-env // disallow the use of `process.env`
-    'no-process-exit': null, // https://eslint.org/docs/rules/no-process-exit // disallow the use of `process.exit()`
-    'no-restricted-modules': null, // https://eslint.org/docs/rules/no-restricted-modules // disallow specified modules when loaded by `require`
-    'no-sync': null, // https://eslint.org/docs/rules/no-sync // disallow synchronous methods
-    // ## Stylistic Issues
-    //     These rules relate to style guidelines, and are therefore quite subjective:
+
+    // Variables https://eslint.org/docs/rules/#variables
+    'init-declarations': ['error', 'always'],
+    'no-label-var': 'error',
+    'no-restricted-globals': 'off',
+    'no-shadow': ['error', { builtinGlobals: true, hoist: 'all' }],
+    'no-undef-init': 'error',
+    'no-undefined': 'error',
+    'no-use-before-define': 'error',
+
+    // Node.js and CommonJS https://eslint.org/docs/rules/#node-js-and-commonjs
+    'callback-return': 'error',
+    'global-require': 'error',
+    'handle-callback-err': 'error',
+    'no-buffer-constructor': 'error',
+    'no-mixed-requires': 'error',
+    'no-new-require': 'error',
+    'no-path-concat': 'error',
+    'no-process-env': 'warn',
+    'no-process-exit': 'warn',
+    'no-restricted-modules': 'off',
+    'no-sync': ['error', { allowAtRootLevel: true }],
+
+    // Stylistic Issues https://eslint.org/docs/rules/#stylistic-issues
     'array-bracket-newline': null, // https://eslint.org/docs/rules/array-bracket-newline // enforce linebreaks after opening and before closing array brackets
     'array-bracket-spacing': null, // https://eslint.org/docs/rules/array-bracket-spacing // enforce consistent spacing inside array brackets
     'array-element-newline': null, // https://eslint.org/docs/rules/array-element-newline // enforce line breaks after each array element
@@ -204,8 +204,8 @@ module.exports = {
     'template-tag-spacing': null, // https://eslint.org/docs/rules/template-tag-spacing // require or disallow spacing between template tags and their literals
     'unicode-bom': null, // https://eslint.org/docs/rules/unicode-bom // require or disallow Unicode byte order mark (BOM)
     'wrap-regex': null, // https://eslint.org/docs/rules/wrap-regex // require parenthesis around regex literals
-    // ## ECMAScript 6
-    //     These rules relate to ES6, also known as ES2015:
+
+    // ECMAScript 6 https://eslint.org/docs/rules/#ecmascript-6
     'arrow-body-style': null, // https://eslint.org/docs/rules/arrow-body-style // require braces around arrow function bodies
     'arrow-parens': null, // https://eslint.org/docs/rules/arrow-parens // require parentheses around arrow function arguments
     'arrow-spacing': null, // https://eslint.org/docs/rules/arrow-spacing // enforce consistent spacing before and after the arrow in arrow functions