feat: remove unnecessary rules, migrate deprecated rules and tweak co…

…nfigs

change/@rightcapital-eslint-config-base-533ee8bb-43e2-4aac-98aa-0743da157aa8.json

@@ -0,0 +1,7 @@
+{
+  "comment": "feat: remove unnecessary rules, migrate deprecated rules and tweak configs",
+  "type": "major",
+  "packageName": "@rightcapital/eslint-config-base",
+  "email": "[email protected]",
+  "dependentChangeType": "patch"
+}

change/@rightcapital-eslint-config-javascript-6fbc77dd-536a-44c3-86a8-18473a1fc2e3.json

@@ -0,0 +1,7 @@
+{
+  "comment": "feat: remove unnecessary rules, migrate deprecated rules and tweak configs",
+  "type": "major",
+  "packageName": "@rightcapital/eslint-config-javascript",
+  "email": "[email protected]",
+  "dependentChangeType": "patch"
+}

change/@rightcapital-eslint-config-typescript-react-552d208c-9bb9-490a-9443-a528bfa11cfe.json

@@ -0,0 +1,7 @@
+{
+  "comment": "feat: remove unnecessary rules, migrate deprecated rules and tweak configs",
+  "type": "major",
+  "packageName": "@rightcapital/eslint-config-typescript-react",
+  "email": "[email protected]",
+  "dependentChangeType": "patch"
+}

packages/eslint-config-base/package.json

@@ -13,8 +13,7 @@
   "main": "./lib/index.js",
   "types": "./lib/index.d.ts",
   "files": [
-    "lib/index.js",
-    "lib/index.d.ts"
+    "lib"
   ],
   "scripts": {
     "prebuild": "pnpm run clean",
@@ -24,12 +23,13 @@
   },
   "dependencies": {
     "@rushstack/eslint-patch": "1.10.3",
+    "@stylistic/eslint-plugin-js": "2.3.0",
     "confusing-browser-globals": "1.0.11",
     "eslint-import-resolver-typescript": "3.6.1",
     "eslint-plugin-import": "npm:[email protected]",
+    "eslint-plugin-n": "17.9.0",
     "eslint-plugin-simple-import-sort": "12.1.0",
-    "eslint-plugin-unicorn": "54.0.0",
-    "semver": "7.6.2"
+    "eslint-plugin-unicorn": "54.0.0"
   },
   "devDependencies": {
     "@rightcapital/tsconfig": "workspace:*",

packages/eslint-config-base/src/index.ts

@@ -12,82 +12,15 @@ const config: Linter.Config = {
     require.resolve('./rules/variables'),
     require.resolve('./rules/es6'),
     require.resolve('./rules/imports'),
-    require.resolve('./rules/strict'),
-    require.resolve('eslint-config-prettier'),
   ],
   plugins: ['simple-import-sort', 'unicorn'],
-  env: { es6: true },
+  env: { es2024: true },
   parserOptions: {
     ecmaVersion: 'latest',
     ecmaFeatures: { jsx: true },
     sourceType: 'module',
   },
-  settings: {
-    'import/resolver': {
-      typescript: {},
-    },
-  },
   reportUnusedDisableDirectives: true,
-  rules: {
-    curly: ['error', 'all'],
-
-    // not necessary or too opinionated
-    'default-param-last': 'off',
-    'class-methods-use-this': 'off',
-    'arrow-body-style': 'off',
-    'prefer-arrow-callback': 'off',
-
-    /**
-     * We want to allow for...of statement, but airbnb config disables it.
-     * We override this rule from airbnb-base.
-     *
-     * airbnb config: https://github.com/airbnb/javascript/blob/5c01a1094986c4dd50a6ee4d9f7617abdfabb58a/packages/eslint-config-airbnb-base/rules/style.js#L338-L358
-     */
-    'no-restricted-syntax': [
-      'error',
-      {
-        selector: 'ForInStatement',
-        message:
-          'for..in loops iterate over the entire prototype chain, which is virtually never what you want. Use Object.{keys,values,entries}, and iterate over the resulting array.',
-      },
-      {
-        selector: 'LabeledStatement',
-        message:
-          'Labels are a form of GOTO; using them makes code confusing and hard to maintain and understand.',
-      },
-      {
-        selector: 'WithStatement',
-        message:
-          '`with` is disallowed in strict mode because it makes code impossible to predict and optimize.',
-      },
-      {
-        /** https://stackoverflow.com/a/72903871/2488867 */
-        selector:
-          "MemberExpression[object.property.name='constructor'][property.name='name']",
-        message: 'constructor name is not reliable, do not use it.',
-      },
-    ],
-
-    // MEMO: simple-import-sort/imports should not be used with import/order
-    'import/order': 'off',
-    'simple-import-sort/imports': 'error',
-
-    'simple-import-sort/exports': 'error',
-    'import/extensions': [
-      'warn',
-      'ignorePackages',
-      {
-        ts: 'never',
-        tsx: 'never',
-        js: 'never',
-        jsx: 'never',
-      },
-    ],
-    'import/prefer-default-export': 'off',
-
-    'unicorn/prefer-node-protocol': 'error',
-    'unicorn/text-encoding-identifier-case': 'error',
-  },
 };
 
 export = config;

packages/eslint-config-base/src/rules/best-practices.ts

@@ -3,11 +3,8 @@ import type { Linter } from 'eslint';
 // extracted from [email protected]
 // https://github.com/airbnb/javascript/blob/eslint-config-airbnb-base-v15.0.0/packages/eslint-config-airbnb-base/rules/best-practices.js
 const config: Linter.Config = {
+  plugins: ['unicorn'],
   rules: {
-    // enforces getter/setter pairs in objects
-    // https://eslint.org/docs/rules/accessor-pairs
-    'accessor-pairs': 'off',
-
     // enforces return statements in callbacks of array's methods
     // https://eslint.org/docs/rules/array-callback-return
     'array-callback-return': ['error', { allowImplicit: true }],
@@ -16,26 +13,13 @@ const config: Linter.Config = {
     // https://eslint.org/docs/rules/block-scoped-var
     'block-scoped-var': 'error',
 
-    // specify the maximum cyclomatic complexity allowed in a program
-    // https://eslint.org/docs/rules/complexity
-    complexity: ['off', 20],
-
-    // enforce that class methods use "this"
-    // https://eslint.org/docs/rules/class-methods-use-this
-    'class-methods-use-this': [
-      'error',
-      {
-        exceptMethods: [],
-      },
-    ],
-
     // require return statements to either always or never specify values
     // https://eslint.org/docs/rules/consistent-return
     'consistent-return': 'error',
 
     // specify curly brace conventions for all control statements
     // https://eslint.org/docs/rules/curly
-    curly: ['error', 'multi-line'], // multiline
+    curly: ['error', 'all'],
 
     // require default case in switch statements
     // https://eslint.org/docs/rules/default-case
@@ -45,17 +29,10 @@ const config: Linter.Config = {
     // https://eslint.org/docs/rules/default-case-last
     'default-case-last': 'error',
 
-    // https://eslint.org/docs/rules/default-param-last
-    'default-param-last': 'error',
-
     // encourages use of dot notation whenever possible
     // https://eslint.org/docs/rules/dot-notation
     'dot-notation': ['error', { allowKeywords: true }],
 
-    // enforces consistent newlines before or after dots
-    // https://eslint.org/docs/rules/dot-location
-    'dot-location': ['error', 'property'],
-
     // require the use of === and !==
     // https://eslint.org/docs/rules/eqeqeq
     eqeqeq: ['error', 'always', { null: 'ignore' }],
@@ -88,10 +65,6 @@ const config: Linter.Config = {
     // https://eslint.org/docs/rules/no-constructor-return
     'no-constructor-return': 'error',
 
-    // disallow division operators explicitly at beginning of regular expression
-    // https://eslint.org/docs/rules/no-div-regex
-    'no-div-regex': 'off',
-
     // disallow else after a return in an if
     // https://eslint.org/docs/rules/no-else-return
     'no-else-return': ['error', { allowElseIf: false }],
@@ -109,10 +82,6 @@ const config: Linter.Config = {
     // https://eslint.org/docs/rules/no-empty-pattern
     'no-empty-pattern': 'error',
 
-    // disallow comparisons to null without a type-checking operator
-    // https://eslint.org/docs/rules/no-eq-null
-    'no-eq-null': 'off',
-
     // disallow use of eval()
     // https://eslint.org/docs/rules/no-eval
     'no-eval': 'error',
@@ -133,42 +102,14 @@ const config: Linter.Config = {
     // https://eslint.org/docs/rules/no-fallthrough
     'no-fallthrough': 'error',
 
-    // disallow the use of leading or trailing decimal points in numeric literals
-    // https://eslint.org/docs/rules/no-floating-decimal
-    'no-floating-decimal': 'error',
-
     // disallow reassignments of native objects or read-only globals
     // https://eslint.org/docs/rules/no-global-assign
     'no-global-assign': ['error', { exceptions: [] }],
 
-    // deprecated in favor of no-global-assign
-    // https://eslint.org/docs/rules/no-native-reassign
-    'no-native-reassign': 'off',
-
-    // disallow implicit type conversions
-    // https://eslint.org/docs/rules/no-implicit-coercion
-    'no-implicit-coercion': [
-      'off',
-      {
-        boolean: false,
-        number: true,
-        string: true,
-        allow: [],
-      },
-    ],
-
-    // disallow var and named functions in global scope
-    // https://eslint.org/docs/rules/no-implicit-globals
-    'no-implicit-globals': 'off',
-
     // disallow use of eval()-like methods
     // https://eslint.org/docs/rules/no-implied-eval
     'no-implied-eval': 'error',
 
-    // disallow this keywords outside of classes or class-like objects
-    // https://eslint.org/docs/rules/no-invalid-this
-    'no-invalid-this': 'off',
-
     // disallow usage of __iterator__ property
     // https://eslint.org/docs/rules/no-iterator
     'no-iterator': 'error',
@@ -185,27 +126,6 @@ const config: Linter.Config = {
     // https://eslint.org/docs/rules/no-loop-func
     'no-loop-func': 'error',
 
-    // disallow magic numbers
-    // https://eslint.org/docs/rules/no-magic-numbers
-    'no-magic-numbers': [
-      'off',
-      {
-        ignore: [],
-        ignoreArrayIndexes: true,
-        enforceConst: true,
-        detectObjects: false,
-      },
-    ],
-
-    // disallow use of multiple spaces
-    // https://eslint.org/docs/rules/no-multi-spaces
-    'no-multi-spaces': [
-      'error',
-      {
-        ignoreEOLComments: false,
-      },
-    ],
-
     // disallow use of multiline strings
     // https://eslint.org/docs/rules/no-multi-str
     'no-multi-str': 'error',
@@ -353,10 +273,6 @@ const config: Linter.Config = {
     // https://eslint.org/docs/rules/no-throw-literal
     'no-throw-literal': 'error',
 
-    // disallow unmodified conditions of loops
-    // https://eslint.org/docs/rules/no-unmodified-loop-condition
-    'no-unmodified-loop-condition': 'off',
-
     // disallow usage of expressions in statement position
     // https://eslint.org/docs/rules/no-unused-expressions
     'no-unused-expressions': [
@@ -372,10 +288,6 @@ const config: Linter.Config = {
     // https://eslint.org/docs/rules/no-unused-labels
     'no-unused-labels': 'error',
 
-    // disallow unnecessary .call() and .apply()
-    // https://eslint.org/docs/rules/no-useless-call
-    'no-useless-call': 'off',
-
     // Disallow unnecessary catch clauses
     // https://eslint.org/docs/rules/no-useless-catch
     'no-useless-catch': 'error',
@@ -396,13 +308,6 @@ const config: Linter.Config = {
     // https://eslint.org/docs/rules/no-void
     'no-void': 'error',
 
-    // disallow usage of configurable warning terms in comments: e.g. todo
-    // https://eslint.org/docs/rules/no-warning-comments
-    'no-warning-comments': [
-      'off',
-      { terms: ['todo', 'fixme', 'xxx'], location: 'start' },
-    ],
-
     // disallow use of the with statement
     // https://eslint.org/docs/rules/no-with
     'no-with': 'error',
@@ -411,10 +316,6 @@ const config: Linter.Config = {
     // https://eslint.org/docs/rules/prefer-promise-reject-errors
     'prefer-promise-reject-errors': ['error', { allowEmptyReject: true }],
 
-    // Suggest using named capture group in regular expression
-    // https://eslint.org/docs/rules/prefer-named-capture-group
-    'prefer-named-capture-group': 'off',
-
     // https://eslint.org/docs/rules/prefer-regex-literals
     'prefer-regex-literals': [
       'error',
@@ -427,25 +328,19 @@ const config: Linter.Config = {
     // https://eslint.org/docs/rules/radix
     radix: 'error',
 
-    // require `await` in `async function` (note: this is a horrible rule that should never be used)
-    // https://eslint.org/docs/rules/require-await
-    'require-await': 'off',
-
-    // Enforce the use of u flag on RegExp
-    // https://eslint.org/docs/rules/require-unicode-regexp
-    'require-unicode-regexp': 'off',
-
     // requires to declare all vars on top of their containing scope
     // https://eslint.org/docs/rules/vars-on-top
     'vars-on-top': 'error',
 
-    // require immediate function invocation to be wrapped in parentheses
-    // https://eslint.org/docs/rules/wrap-iife.html
-    'wrap-iife': ['error', 'outside', { functionPrototypeMethods: false }],
-
     // require or disallow Yoda conditions
     // https://eslint.org/docs/rules/yoda
     yoda: 'error',
+
+    // https://github.com/sindresorhus/eslint-plugin-unicorn/blob/main/docs/rules/prefer-node-protocol.md
+    'unicorn/prefer-node-protocol': 'error',
+
+    // https://github.com/sindresorhus/eslint-plugin-unicorn/blob/main/docs/rules/text-encoding-identifier-case.md
+    'unicorn/text-encoding-identifier-case': 'error',
   },
 };