fix: update .oxlintrc.json

Ref: https://github.com/typescript-eslint/typescript-eslint/issues/11372

.eslintignore

@@ -1,2 +0,0 @@
-node_modules
-test/fixtures

.github/workflows/lint.yml

@@ -10,25 +10,17 @@ jobs:
   lint:
     runs-on: "ubuntu-latest"
     steps:
-      - uses: "actions/checkout@v4.1.7"
+      - uses: "actions/checkout@v4.2.2"
 
       - name: "Setup Node.js"
-        uses: "actions/setup-node@v4.0.3"
+        uses: "actions/setup-node@v4.2.0"
         with:
-          node-version: "22.x"
+          node-version: "lts/*"
           cache: "npm"
 
       - name: "Install dependencies"
         run: "npm clean-install"
 
       - run: "node --run lint:editorconfig"
-      - run: "node --run lint:markdown"
       - run: "node --run lint:eslint"
       - run: "node --run lint:prettier"
-
-  commitlint:
-    runs-on: "ubuntu-latest"
-    steps:
-      - uses: "actions/checkout@v4.1.7"
-
-      - uses: "wagoid/commitlint-github-action@v6.1.2"

.github/workflows/release.yml

@@ -2,7 +2,7 @@ name: "Release"
 
 on:
   push:
-    branches: [main]
+    branches: [main, beta]
 
 jobs:
   release:
@@ -13,15 +13,15 @@ jobs:
       pull-requests: "write"
       id-token: "write"
     steps:
-      - uses: "actions/checkout@v4.1.7"
+      - uses: "actions/checkout@v4.2.2"
         with:
           fetch-depth: 0
           persist-credentials: false
 
       - name: "Setup Node.js"
-        uses: "actions/setup-node@v4.0.3"
+        uses: "actions/setup-node@v4.2.0"
         with:
-          node-version: "22.x"
+          node-version: "lts/*"
           cache: "npm"
 
       - name: "Install dependencies"

.github/workflows/test.yml

@@ -10,12 +10,12 @@ jobs:
   test:
     runs-on: "ubuntu-latest"
     steps:
-      - uses: "actions/checkout@v4.1.7"
+      - uses: "actions/checkout@v4.2.2"
 
       - name: "Setup Node.js"
-        uses: "actions/setup-node@v4.0.3"
+        uses: "actions/setup-node@v4.2.0"
         with:
-          node-version: "22.x"
+          node-version: "lts/*"
           cache: "npm"
 
       - name: "Install dependencies"

.gitignore

@@ -27,3 +27,4 @@ npm-debug.log*
 
 # misc
 .DS_Store
+*.bak

.markdownlint-cli2.jsonc

@@ -1,11 +0,0 @@
-{
-  "config": {
-    "extends": "markdownlint/style/prettier",
-    "default": true,
-    "relative-links": true,
-    "no-inline-html": false,
-  },
-  "globs": ["**/*.md"],
-  "ignores": ["**/node_modules"],
-  "customRules": ["markdownlint-rule-relative-links"],
-}

.oxlintrc.json

@@ -1,22 +1,20 @@
 {
-  "root": true,
-  "plugins": ["promise", "unicorn"],
+  "$schema": "./node_modules/oxlint/configuration_schema.json",
+  "plugins": ["typescript", "unicorn", "react", "oxc", "jsx-a11y", "promise"],
+  "categories": {
+    "correctness": "error",
+    "perf": "error",
+    "suspicious": "error"
+  },
   "env": {
+    "builtin": true,
     "browser": true,
     "node": true,
-    "es2024": true
-  },
-  "parserOptions": {
-    "ecmaVersion": "latest",
-    "sourceType": "module",
-    "ecmaFeatures": {
-      "jsx": true
-    }
+    "shared-node-browser": true
   },
   "rules": {
-    "constructor-super": "error",
+    "no-await-in-loop": "off",
     "for-direction": "error",
-    "getter-return": "error",
     "no-async-promise-executor": "error",
     "no-class-assign": "error",
     "no-compare-neg-zero": "error",
@@ -27,7 +25,6 @@
     "no-constructor-return": "error",
     "no-control-regex": "error",
     "no-debugger": "error",
-    "no-dupe-args": "error",
     "no-dupe-class-members": "error",
     "no-dupe-else-if": "error",
     "no-dupe-keys": "error",
@@ -42,33 +39,29 @@
     "no-invalid-regexp": "error",
     "no-irregular-whitespace": "error",
     "no-loss-of-precision": "error",
-    "no-misleading-character-class": "error",
     "no-new-native-nonconstructor": "error",
-    "no-new-symbol": "error",
     "no-obj-calls": "error",
-    "no-promise-executor-return": "error",
     "no-prototype-builtins": "error",
     "no-self-assign": "error",
     "no-self-compare": "error",
     "no-setter-return": "error",
     "no-sparse-arrays": "error",
     "no-this-before-super": "error",
-    "no-undef": "error",
     "no-unexpected-multiline": "error",
-    "no-unmodified-loop-condition": "error",
-    "no-unreachable": "error",
-    "no-unreachable-loop": "error",
     "no-unsafe-finally": "error",
     "no-unsafe-negation": "error",
     "no-unsafe-optional-chaining": "error",
     "no-unused-private-class-members": "error",
-    "no-unused-vars": ["error", { "varsIgnorePattern": "^_" }],
-    "no-use-before-define": [
+    "no-unused-vars": [
       "error",
       {
-        "functions": false,
-        "classes": false,
-        "variables": false
+        "args": "all",
+        "argsIgnorePattern": "^_",
+        "caughtErrors": "all",
+        "caughtErrorsIgnorePattern": "^_",
+        "destructuredArrayIgnorePattern": "^_",
+        "varsIgnorePattern": "^_",
+        "ignoreRestSiblings": true
       }
     ],
     "no-useless-backreference": "error",
@@ -79,37 +72,61 @@
         "enforceForIndexOf": true
       }
     ],
-    "valid-typeof": ["error", { "requireStringLiterals": true }],
-
-    "consistent-this": "error",
+    "valid-typeof": [
+      "error",
+      {
+        "requireStringLiterals": true
+      }
+    ],
     "default-param-last": "error",
     "default-case-last": "error",
-    "dot-notation": ["error", { "allowKeywords": true }],
-    "eqeqeq": ["error", "always", { "null": "ignore" }],
+    "eqeqeq": [
+      "error",
+      "always",
+      {
+        "null": "ignore"
+      }
+    ],
     "grouped-accessor-pairs": "error",
     "new-cap": [
       "error",
-      { "newIsCap": true, "capIsNew": false, "properties": true }
+      {
+        "newIsCap": true,
+        "capIsNew": false,
+        "properties": true
+      }
     ],
     "no-array-constructor": "error",
     "no-caller": "error",
     "no-delete-var": "error",
-    "no-empty": ["error", { "allowEmptyCatch": true }],
+    "no-extra-boolean-cast": [
+      "error",
+      {
+        "enforceForInnerExpressions": true
+      }
+    ],
+    "no-empty": [
+      "error",
+      {
+        "allowEmptyCatch": true
+      }
+    ],
     "no-empty-static-block": "error",
     "no-eval": "error",
     "no-global-assign": "error",
-    "no-implied-eval": "error",
     "no-multi-str": "error",
     "no-new-func": "error",
     "no-object-constructor": "error",
-    "no-octal": "error",
-    "no-octal-escape": "error",
     "no-proto": "error",
-    "no-redeclare": ["error", { "builtinGlobals": false }],
+    "no-redeclare": [
+      "error",
+      {
+        "builtinGlobals": false
+      }
+    ],
     "no-regex-spaces": "error",
     "no-shadow-restricted-names": "error",
     "no-throw-literal": "error",
-    "no-undef-init": "error",
     "no-unused-expressions": [
       "error",
       {
@@ -120,49 +137,45 @@
     ],
     "no-useless-call": "error",
     "no-useless-concat": "error",
-    "no-useless-computed-key": "error",
     "no-useless-constructor": "error",
     "no-useless-escape": "error",
     "no-useless-rename": "error",
-    "no-useless-return": "error",
-    "no-else-return": ["error", { "allowElseIf": false }],
+    "no-else-return": [
+      "error",
+      {
+        "allowElseIf": false
+      }
+    ],
     "no-var": "error",
-    "no-void": ["error", { "allowAsStatement": true }],
+    "no-void": [
+      "error",
+      {
+        "allowAsStatement": true
+      }
+    ],
     "no-with": "error",
-    "no-return-await": "error",
-    "object-shorthand": ["error", "properties"],
-    "one-var": ["error", { "initialized": "never" }],
-    "prefer-const": ["error", { "destructuring": "all" }],
     "prefer-object-has-own": "error",
     "prefer-promise-reject-errors": "error",
-    "prefer-regex-literals": ["error", { "disallowRedundantWrapping": true }],
     "radix": "error",
     "yoda": ["error", "never"],
     "curly": ["error", "all"],
     "func-style": ["error", "expression"],
-    "prefer-arrow-callback": "error",
     "arrow-body-style": ["error", "always"],
-
     "promise/param-names": "error",
     "promise/no-new-statics": "error",
-    "promise/no-multiple-resolved": "error",
     "promise/no-nesting": "error",
-
-    "unicorn/better-regex": "error",
     "unicorn/catch-error-name": "error",
-    "unicorn/consistent-destructuring": "error",
-    "unicorn/custom-error-definition": "error",
+    "unicorn/consistent-date-clone": "error",
     "unicorn/error-message": "error",
     "unicorn/escape-case": "error",
     "unicorn/explicit-length-check": "error",
     "unicorn/new-for-builtins": "error",
-    "unicorn/no-array-callback-reference": "error",
     "unicorn/no-array-for-each": "error",
     "unicorn/no-array-method-this-argument": "error",
     "unicorn/no-document-cookie": "error",
     "unicorn/no-empty-file": "error",
     "unicorn/no-hex-escape": "error",
-    "unicorn/no-instanceof-array": "error",
+    "unicorn/no-instanceof-builtins": "error",
     "unicorn/no-new-array": "error",
     "unicorn/no-new-buffer": "error",
     "unicorn/no-this-assignment": "error",
@@ -175,50 +188,86 @@
     "unicorn/prefer-number-properties": "error",
     "unicorn/prefer-modern-math-apis": "error",
     "unicorn/prefer-structured-clone": "error",
-    "unicorn/template-indent": "error"
+    "unicorn/consistent-existence-index-check": "error",
+    "unicorn/no-unnecessary-array-flat-depth": "error",
+    "unicorn/consistent-assert": "error",
+    "unicorn/no-accessor-recursion": "error",
+    "react-hooks/rules-of-hooks": "error",
+    "react-hooks/exhaustive-deps": "error",
+    "react/jsx-key": "error",
+    "react/jsx-no-comment-textnodes": "error",
+    "react/jsx-no-duplicate-props": "error",
+    "react/jsx-no-target-blank": "off",
+    "react/jsx-no-undef": "error",
+    "react/no-children-prop": "error",
+    "react/no-danger-with-children": "error",
+    "react/no-direct-mutation-state": "error",
+    "react/no-find-dom-node": "error",
+    "react/no-is-mounted": "error",
+    "react/no-render-return-value": "error",
+    "react/no-string-refs": "error",
+    "react/no-unescaped-entities": "error",
+    "react/no-unknown-property": "off",
+    "react/react-in-jsx-scope": "off",
+    "react/iframe-missing-sandbox": "off",
+    "react/self-closing-comp": [
+      "error",
+      {
+        "component": true,
+        "html": true
+      }
+    ],
+    "react/void-dom-elements-no-children": "error",
+    "react/jsx-boolean-value": "error",
+    "@next/next/google-font-display": "error",
+    "@next/next/google-font-preconnect": "error",
+    "@next/next/next-script-for-ga": "error",
+    "@next/next/no-async-client-component": "error",
+    "@next/next/no-before-interactive-script-outside-document": "error",
+    "@next/next/no-css-tags": "error",
+    "@next/next/no-head-element": "error",
+    "@next/next/no-html-link-for-pages": "off",
+    "@next/next/no-img-element": "off",
+    "@next/next/no-page-custom-font": "error",
+    "@next/next/no-styled-jsx-in-document": "error",
+    "@next/next/no-sync-scripts": "error",
+    "@next/next/no-title-in-document-head": "error",
+    "@next/next/no-typos": "error",
+    "@next/next/no-unwanted-polyfillio": "error",
+    "@next/next/inline-script-id": "error",
+    "@next/next/no-assign-module-variable": "error",
+    "@next/next/no-document-import-in-page": "error",
+    "@next/next/no-duplicate-head": "error",
+    "@next/next/no-head-import-in-document": "error",
+    "@next/next/no-script-component-in-head": "error"
   },
   "overrides": [
     {
-      "files": ["*.ts", "*.tsx"],
-      "parser": "@typescript-eslint/parser",
-      "plugins": ["@typescript-eslint"],
+      "files": ["**/*.ts", "**/*.tsx"],
       "rules": {
-        "no-undef": "off",
-        "no-dupe-class-members": "off",
-        "@typescript-eslint/no-dupe-class-members": "error",
-        "no-unused-vars": "off",
-        "@typescript-eslint/no-unused-vars": [
-          "error",
-          { "varsIgnorePattern": "^_" }
-        ],
-        "no-use-before-define": "off",
-        "@typescript-eslint/no-use-before-define": [
+        "@typescript-eslint/no-unnecessary-type-arguments": "off",
+        "no-unused-vars": [
           "error",
           {
-            "functions": false,
-            "classes": false,
-            "enums": false,
-            "variables": false,
-            "typedefs": false
+            "args": "all",
+            "argsIgnorePattern": "^_",
+            "caughtErrors": "all",
+            "caughtErrorsIgnorePattern": "^_",
+            "destructuredArrayIgnorePattern": "^_",
+            "varsIgnorePattern": "^_",
+            "ignoreRestSiblings": true
           }
         ],
-        "default-param-last": "off",
-        "@typescript-eslint/default-param-last": "error",
-        "dot-notation": "off",
-        "@typescript-eslint/dot-notation": ["error", { "allowKeywords": true }],
-        "no-array-constructor": "off",
-        "@typescript-eslint/no-array-constructor": "error",
-        "no-implied-eval": "off",
         "@typescript-eslint/no-implied-eval": "error",
-        "no-redeclare": "off",
-        "@typescript-eslint/no-redeclare": [
+        "no-redeclare": [
           "error",
-          { "builtinGlobals": false }
+          {
+            "builtinGlobals": false
+          }
         ],
         "no-throw-literal": "off",
         "@typescript-eslint/only-throw-error": "error",
-        "no-unused-expressions": "off",
-        "@typescript-eslint/no-unused-expressions": [
+        "no-unused-expressions": [
           "error",
           {
             "allowShortCircuit": true,
@@ -226,15 +275,8 @@
             "allowTaggedTemplates": true
           }
         ],
-        "no-useless-constructor": "off",
-        "@typescript-eslint/no-useless-constructor": "error",
         "@typescript-eslint/no-unnecessary-template-expression": "error",
-
         "@typescript-eslint/adjacent-overload-signatures": "error",
-        "@typescript-eslint/array-type": [
-          "error",
-          { "default": "array-simple" }
-        ],
         "@typescript-eslint/no-unsafe-function-type": "error",
         "@typescript-eslint/no-wrapper-object-types": "error",
         "@typescript-eslint/consistent-type-definitions": [
@@ -252,51 +294,46 @@
             "allowDirectConstAssertionInArrowFunctions": true
           }
         ],
-        "@typescript-eslint/method-signature-style": "error",
-        "@typescript-eslint/naming-convention": [
-          "error",
-          {
-            "selector": "variableLike",
-            "leadingUnderscore": "allow",
-            "trailingUnderscore": "allow",
-            "format": ["camelCase", "PascalCase", "UPPER_CASE"]
-          }
-        ],
         "@typescript-eslint/no-base-to-string": "error",
         "@typescript-eslint/no-dynamic-delete": "error",
         "@typescript-eslint/no-extra-non-null-assertion": "error",
+        "@typescript-eslint/no-redundant-type-constituents": "error",
         "@typescript-eslint/no-extraneous-class": [
           "error",
-          { "allowWithDecorator": true }
+          {
+            "allowWithDecorator": true
+          }
+        ],
+        "@typescript-eslint/no-floating-promises": [
+          "error",
+          {
+            "allowForKnownSafeCalls": [
+              {
+                "from": "package",
+                "name": ["test", "it", "suite", "describe"],
+                "package": "node:test"
+              }
+            ]
+          }
         ],
-        "@typescript-eslint/no-floating-promises": "error",
         "@typescript-eslint/no-for-in-array": "error",
-        "@typescript-eslint/no-invalid-void-type": "error",
         "@typescript-eslint/no-misused-new": "error",
         "@typescript-eslint/no-non-null-asserted-optional-chain": "error",
         "@typescript-eslint/no-non-null-assertion": "error",
         "@typescript-eslint/no-this-alias": [
           "error",
-          { "allowDestructuring": true }
+          {
+            "allowDestructuring": true
+          }
         ],
         "@typescript-eslint/no-unnecessary-boolean-literal-compare": "error",
         "@typescript-eslint/no-unnecessary-type-assertion": "error",
         "@typescript-eslint/no-require-imports": "error",
         "@typescript-eslint/no-unsafe-unary-minus": "error",
+        "@typescript-eslint/no-unsafe-declaration-merging": "error",
         "@typescript-eslint/no-array-delete": "error",
         "@typescript-eslint/prefer-as-const": "error",
         "@typescript-eslint/prefer-function-type": "error",
-        "@typescript-eslint/prefer-find": "error",
-        "@typescript-eslint/prefer-includes": "error",
-        "@typescript-eslint/prefer-nullish-coalescing": [
-          "error",
-          {
-            "ignoreTernaryTests": true,
-            "ignoreConditionalTests": false,
-            "ignoreMixedLogicalExpressions": false
-          }
-        ],
-        "@typescript-eslint/prefer-readonly": "error",
         "@typescript-eslint/prefer-reduce-type-parameter": "error",
         "@typescript-eslint/prefer-return-this-type": "error",
         "@typescript-eslint/promise-function-async": "error",
@@ -304,31 +341,24 @@
         "@typescript-eslint/prefer-promise-reject-errors": "error",
         "@typescript-eslint/require-array-sort-compare": [
           "error",
-          { "ignoreStringArrays": true }
+          {
+            "ignoreStringArrays": true
+          }
         ],
         "@typescript-eslint/restrict-plus-operands": [
           "error",
-          { "skipCompoundAssignments": true }
+          {
+            "skipCompoundAssignments": true
+          }
         ],
         "@typescript-eslint/restrict-template-expressions": [
-          "error",
-          { "allowNumber": true }
-        ],
-        "no-return-await": "off",
-        "@typescript-eslint/return-await": "error",
-        "@typescript-eslint/strict-boolean-expressions": [
           "error",
           {
-            "allowString": false,
-            "allowNumber": false,
-            "allowNullableObject": false,
-            "allowNullableBoolean": false,
-            "allowNullableString": false,
-            "allowNullableNumber": false,
-            "allowAny": false
-          }
-        ]
-      }
+            "allowNumber": true
+          }
+        ]
+      },
+      "plugins": ["typescript"]
     }
   ]
 }

CONTRIBUTING.md

@@ -1,6 +1,6 @@
-# 💡 Contributing
+# Contributing
 
-Thanks a lot for your interest in contributing to **eslint-config-conventions**! 🎉
+Thanks a lot for your interest in contributing to **eslint-config-conventions**!
 
 ## Code of Conduct
 

README.md

@@ -17,7 +17,7 @@
   <a href="https://www.npmjs.com/package/eslint-config-conventions"><img src="https://img.shields.io/npm/v/eslint-config-conventions.svg" alt="npm version"></a>
 </p>
 
-## 📜 About
+## About
 
 **eslint-config-conventions** is a [ESLint](https://eslint.org) configuration to enforce strict conventions and good code quality. It supports both **JavaScript** and **TypeScript**.
 
@@ -25,19 +25,23 @@ This configuration is mostly **for catching bugs** and **code-quality** so it is
 
 More information about **formatting rules** vs **code-quality rules** can be found on [Prettier vs. Linters](https://prettier.io/docs/en/comparison.html).
 
-## ⚙️ Getting Started
+## Getting Started
 
 ### Prerequisites
 
-[Node.js](https://nodejs.org/) >= 18.0.0
+[Node.js](https://nodejs.org/) >= 20.11.0
 
 ### Installation
 
 ```sh
 npm install --save-dev \
-  eslint@^8.57.0 \
-  eslint-plugin-promise@^7.0.0 \
-  eslint-plugin-unicorn@^55.0.0 \
+  eslint@^9.21.0 \
+  eslint-plugin-promise@^7.2.1 \
+  eslint-plugin-unicorn@^59.0.0 \
+  eslint-plugin-import-x@^4.6.1 \
+  globals@^16.0.0 \
+  typescript@^5.8.3 \
+  typescript-eslint@^8.32.0 \
   eslint-config-conventions@latest
 ```
 
@@ -47,55 +51,30 @@ Dependencies are:
 - [ESLint Plugins](https://eslint.org/docs/user-guide/configuring/plugins)
   - [eslint-plugin-promise](https://github.com/xjamundx/eslint-plugin-promise)
   - [eslint-plugin-unicorn](https://github.com/sindresorhus/eslint-plugin-unicorn)
-- This package: `eslint-config-conventions`
-
-#### Installation with TypeScript
-
-If you want to use **TypeScript**, you also need to install:
-
-```sh
-npm install --save-dev \
-  "typescript@^5.6.2" \
-  "@typescript-eslint/eslint-plugin@^8.0.0" \
-  "@typescript-eslint/parser@^8.0.0"
-```
-
-Dependencies are:
-
+  - [eslint-plugin-import-x](https://github.com/un-ts/eslint-plugin-import-x)
+- [globals](https://github.com/sindresorhus/globals)
 - [TypeScript](https://github.com/Microsoft/TypeScript)
-- [@typescript-eslint/eslint-plugin](https://github.com/typescript-eslint/typescript-eslint): ESLint rules for TypeScript.
-- [@typescript-eslint/parser](https://github.com/typescript-eslint/typescript-eslint): ESLint parser for TypeScript.
+- [typescript-eslint](https://github.com/typescript-eslint/typescript-eslint): tooling which enables ESLint to support TypeScript.
+- This package: `eslint-config-conventions`
 
 ### Configuration
 
-#### `.eslintrc.json` (JavaScript)
+#### `eslint.config.js`
 
-```json
-{
-  "root": true,
-  "extends": ["conventions"],
-  "plugins": ["promise", "unicorn"]
-}
-```
+```js
+import typescriptESLint from "typescript-eslint"
+import configConventions from "eslint-config-conventions"
 
-#### `.eslintrc.json` (TypeScript)
-
-```json
-{
-  "root": true,
-  "extends": ["conventions"],
-  "plugins": ["promise", "unicorn"],
-  "overrides": [
-    {
-      "files": ["*.ts", "*.tsx"],
-      "parser": "@typescript-eslint/parser",
-      "plugins": ["@typescript-eslint"],
-      "parserOptions": {
-        "projectService": true
-      }
-    }
-  ]
-}
+export default typescriptESLint.config(...configConventions, {
+  files: ["**/*.ts", "**/*.tsx"],
+  languageOptions: {
+    parser: typescriptESLint.parser,
+    parserOptions: {
+      projectService: true,
+      tsconfigRootDir: import.meta.dirname,
+    },
+  },
+})
 ```
 
 #### Configuration with [Prettier](https://prettier.io/) (recommended)
@@ -108,7 +87,7 @@ npm install --save-dev prettier
 echo "{}" > .prettierrc.json
 ```
 
-That's all! No need to update the `.eslintrc.json` configuration.
+That's all! No need to update the `eslint.config.js` configuration.
 
 We discourage usage of [eslint-config-prettier](https://github.com/prettier/eslint-config-prettier) and [eslint-plugin-prettier](https://github.com/prettier/eslint-plugin-prettier), as `eslint-config-conventions` doesn't include any stylistic rules, and including these packages has several drawbacks (listed in [Integrating with Linters](https://prettier.io/docs/en/integrating-with-linters.html)) and brings no benefits for this configuration.
 
@@ -117,7 +96,7 @@ We discourage usage of [eslint-config-prettier](https://github.com/prettier/esli
 ```json
 {
   "scripts": {
-    "lint:eslint": "eslint . --max-warnings 0 --report-unused-disable-directives --ignore-path .gitignore",
+    "lint:eslint": "eslint . --max-warnings 0",
     "lint:prettier": "prettier . --check"
   }
 }
@@ -134,12 +113,21 @@ node --run lint:eslint -- --fix
 node --run lint:prettier
 ```
 
-## 💡 Contributing
+### `.oxlintrc.json` (if using [oxlint](https://oxc.rs/))
+
+```json
+{
+  "$schema": "./node_modules/oxlint/configuration_schema.json",
+  "extends": ["node_modules/eslint-config-conventions/.oxlintrc.json"]
+}
+```
+
+## Contributing
 
 Anyone can help to improve the project, submit a Feature Request, a bug report or even correct a simple spelling mistake.
 
 The steps to contribute can be found in the [CONTRIBUTING.md](./CONTRIBUTING.md) file.
 
-## 📄 License
+## License
 
 [MIT](./LICENSE)

eslint.config.js

@@ -0,0 +1,489 @@
+import promise from "eslint-plugin-promise"
+import unicorn from "eslint-plugin-unicorn"
+import importX from "eslint-plugin-import-x"
+import globals from "globals"
+import typescriptESLint from "typescript-eslint"
+
+export default typescriptESLint.config(
+  {
+    name: "eslint-config-conventions",
+    plugins: {
+      promise,
+      unicorn,
+      "import-x": importX,
+    },
+    linterOptions: {
+      reportUnusedDisableDirectives: "error",
+    },
+    languageOptions: {
+      globals: {
+        ...globals.browser,
+        ...globals.node,
+      },
+      ecmaVersion: "latest",
+      sourceType: "module",
+      parserOptions: {
+        ecmaFeatures: {
+          jsx: true,
+        },
+      },
+    },
+    rules: {
+      "constructor-super": "error",
+      "for-direction": "error",
+      "getter-return": "error",
+      "no-async-promise-executor": "error",
+      "no-class-assign": "error",
+      "no-compare-neg-zero": "error",
+      "no-cond-assign": "error",
+      "no-const-assign": "error",
+      "no-constant-binary-expression": "error",
+      "no-constant-condition": "error",
+      "no-constructor-return": "error",
+      "no-control-regex": "error",
+      "no-debugger": "error",
+      "no-dupe-args": "error",
+      "no-dupe-class-members": "error",
+      "no-dupe-else-if": "error",
+      "no-dupe-keys": "error",
+      "no-duplicate-case": "error",
+      "no-duplicate-imports": "error",
+      "no-empty-character-class": "error",
+      "no-empty-pattern": "error",
+      "no-ex-assign": "error",
+      "no-fallthrough": "error",
+      "no-func-assign": "error",
+      "no-import-assign": "error",
+      "no-invalid-regexp": "error",
+      "no-irregular-whitespace": "error",
+      "no-loss-of-precision": "error",
+      "no-misleading-character-class": "error",
+      "no-new-native-nonconstructor": "error",
+      "no-obj-calls": "error",
+      "no-promise-executor-return": "error",
+      "no-prototype-builtins": "error",
+      "no-self-assign": "error",
+      "no-self-compare": "error",
+      "no-setter-return": "error",
+      "no-sparse-arrays": "error",
+      "no-this-before-super": "error",
+      "no-undef": "error",
+      "no-unexpected-multiline": "error",
+      "no-unmodified-loop-condition": "error",
+      "no-unreachable": "error",
+      "no-unreachable-loop": "error",
+      "no-unsafe-finally": "error",
+      "no-unsafe-negation": "error",
+      "no-unsafe-optional-chaining": "error",
+      "no-unused-private-class-members": "error",
+      "no-unused-vars": [
+        "error",
+        {
+          args: "all",
+          argsIgnorePattern: "^_",
+          caughtErrors: "all",
+          caughtErrorsIgnorePattern: "^_",
+          destructuredArrayIgnorePattern: "^_",
+          varsIgnorePattern: "^_",
+          ignoreRestSiblings: true,
+        },
+      ],
+      "no-use-before-define": [
+        "error",
+        {
+          functions: false,
+          classes: false,
+          variables: false,
+        },
+      ],
+      "no-useless-backreference": "error",
+      "use-isnan": [
+        "error",
+        {
+          enforceForSwitchCase: true,
+          enforceForIndexOf: true,
+        },
+      ],
+      "valid-typeof": [
+        "error",
+        {
+          requireStringLiterals: true,
+        },
+      ],
+      "consistent-this": "error",
+      "default-param-last": "error",
+      "default-case-last": "error",
+      eqeqeq: [
+        "error",
+        "always",
+        {
+          null: "ignore",
+        },
+      ],
+      "grouped-accessor-pairs": "error",
+      "new-cap": [
+        "error",
+        {
+          newIsCap: true,
+          capIsNew: false,
+          properties: true,
+        },
+      ],
+      "no-array-constructor": "error",
+      "no-caller": "error",
+      "no-delete-var": "error",
+      "no-implicit-coercion": "error",
+      "no-extra-boolean-cast": ["error", { enforceForInnerExpressions: true }],
+      "no-empty": [
+        "error",
+        {
+          allowEmptyCatch: true,
+        },
+      ],
+      "no-empty-static-block": "error",
+      "no-eval": "error",
+      "no-global-assign": "error",
+      "no-implied-eval": "error",
+      "no-multi-str": "error",
+      "no-new-func": "error",
+      "no-object-constructor": "error",
+      "no-octal": "error",
+      "no-octal-escape": "error",
+      "no-proto": "error",
+      "no-redeclare": [
+        "error",
+        {
+          builtinGlobals: false,
+        },
+      ],
+      "no-regex-spaces": "error",
+      "no-shadow-restricted-names": "error",
+      "no-throw-literal": "error",
+      "no-undef-init": "error",
+      "no-unused-expressions": [
+        "error",
+        {
+          allowShortCircuit: true,
+          allowTernary: true,
+          allowTaggedTemplates: true,
+        },
+      ],
+      "no-useless-call": "error",
+      "no-useless-concat": "error",
+      "no-useless-computed-key": "error",
+      "no-useless-constructor": "error",
+      "no-useless-escape": "error",
+      "no-useless-rename": "error",
+      "no-useless-return": "error",
+      "no-else-return": [
+        "error",
+        {
+          allowElseIf: false,
+        },
+      ],
+      "no-var": "error",
+      "no-void": [
+        "error",
+        {
+          allowAsStatement: true,
+        },
+      ],
+      "no-with": "error",
+      "object-shorthand": ["error", "properties"],
+      "one-var": [
+        "error",
+        {
+          initialized: "never",
+        },
+      ],
+      "prefer-const": [
+        "error",
+        {
+          destructuring: "all",
+        },
+      ],
+      "prefer-object-has-own": "error",
+      "prefer-promise-reject-errors": "error",
+      "prefer-regex-literals": [
+        "error",
+        {
+          disallowRedundantWrapping: true,
+        },
+      ],
+      radix: "error",
+      yoda: ["error", "never"],
+      curly: ["error", "all"],
+      "func-style": ["error", "expression"],
+      "prefer-arrow-callback": "error",
+      "arrow-body-style": ["error", "always"],
+
+      "promise/param-names": "error",
+      "promise/no-new-statics": "error",
+      "promise/no-multiple-resolved": "error",
+      "promise/no-nesting": "error",
+
+      "unicorn/better-regex": "error",
+      "unicorn/catch-error-name": "error",
+      "unicorn/custom-error-definition": "error",
+      "unicorn/consistent-date-clone": "error",
+      "unicorn/error-message": "error",
+      "unicorn/escape-case": "error",
+      "unicorn/explicit-length-check": "error",
+      "unicorn/new-for-builtins": "error",
+      "unicorn/no-array-callback-reference": "error",
+      "unicorn/no-array-for-each": "error",
+      "unicorn/no-array-method-this-argument": "error",
+      "unicorn/no-document-cookie": "error",
+      "unicorn/no-named-default": "error",
+      "unicorn/no-empty-file": "error",
+      "unicorn/no-hex-escape": "error",
+      "unicorn/no-instanceof-builtins": "error",
+      "unicorn/no-new-array": "error",
+      "unicorn/no-new-buffer": "error",
+      "unicorn/no-this-assignment": "error",
+      "unicorn/no-zero-fractions": "error",
+      "unicorn/number-literal-case": "error",
+      "unicorn/prefer-node-protocol": "error",
+      "unicorn/throw-new-error": "error",
+      "unicorn/no-typeof-undefined": "error",
+      "unicorn/require-array-join-separator": "error",
+      "unicorn/prefer-number-properties": "error",
+      "unicorn/prefer-modern-math-apis": "error",
+      "unicorn/prefer-structured-clone": "error",
+      "unicorn/template-indent": "error",
+      "unicorn/consistent-existence-index-check": "error",
+      "unicorn/no-unnecessary-array-flat-depth": "error",
+      "unicorn/consistent-assert": "error",
+      "unicorn/no-accessor-recursion": "error",
+
+      "import-x/no-absolute-path": "error",
+      "import-x/no-webpack-loader-syntax": "error",
+      "import-x/no-self-import": "error",
+      "import-x/no-useless-path-segments": "error",
+      "import-x/export": "error",
+      "import-x/no-duplicates": "error",
+      "import-x/no-named-default": "error",
+      "import-x/no-empty-named-blocks": "error",
+      "import-x/no-anonymous-default-export": "error",
+      "import-x/consistent-type-specifier-style": ["error", "prefer-top-level"],
+    },
+  },
+  {
+    name: "eslint-config-conventions/typescript",
+    files: ["**/*.ts", "**/*.tsx"],
+
+    plugins: {
+      "@typescript-eslint": typescriptESLint.plugin,
+    },
+
+    languageOptions: {
+      parser: typescriptESLint.parser,
+      parserOptions: {
+        projectService: true,
+        tsconfigRootDir: import.meta.dirname,
+      },
+    },
+
+    rules: {
+      "no-undef": "off",
+
+      "no-dupe-class-members": "off",
+      "@typescript-eslint/no-dupe-class-members": "error",
+
+      "no-unused-vars": "off",
+      "@typescript-eslint/no-unused-vars": [
+        "error",
+        {
+          args: "all",
+          argsIgnorePattern: "^_",
+          caughtErrors: "all",
+          caughtErrorsIgnorePattern: "^_",
+          destructuredArrayIgnorePattern: "^_",
+          varsIgnorePattern: "^_",
+          ignoreRestSiblings: true,
+        },
+      ],
+
+      "no-use-before-define": "off",
+      "@typescript-eslint/no-use-before-define": [
+        "error",
+        {
+          functions: false,
+          classes: false,
+          enums: false,
+          variables: false,
+          typedefs: false,
+        },
+      ],
+
+      "default-param-last": "off",
+      "@typescript-eslint/default-param-last": "error",
+
+      "no-array-constructor": "off",
+      "@typescript-eslint/no-array-constructor": "error",
+
+      "no-implied-eval": "off",
+      "@typescript-eslint/no-implied-eval": "error",
+
+      "no-redeclare": "off",
+      "@typescript-eslint/no-redeclare": [
+        "error",
+        {
+          builtinGlobals: false,
+        },
+      ],
+
+      "no-throw-literal": "off",
+      "@typescript-eslint/only-throw-error": "error",
+
+      "no-unused-expressions": "off",
+      "@typescript-eslint/no-unused-expressions": [
+        "error",
+        {
+          allowShortCircuit: true,
+          allowTernary: true,
+          allowTaggedTemplates: true,
+        },
+      ],
+
+      "no-useless-constructor": "off",
+      "@typescript-eslint/no-useless-constructor": "error",
+
+      "@typescript-eslint/no-unnecessary-type-conversion": "error",
+
+      "@typescript-eslint/no-unnecessary-template-expression": "error",
+      "@typescript-eslint/adjacent-overload-signatures": "error",
+
+      "@typescript-eslint/no-unsafe-function-type": "error",
+      "@typescript-eslint/no-wrapper-object-types": "error",
+      "@typescript-eslint/consistent-type-definitions": ["error", "interface"],
+
+      "no-duplicate-imports": "off",
+      "@typescript-eslint/consistent-type-imports": "error",
+
+      "@typescript-eslint/explicit-member-accessibility": "error",
+      "@typescript-eslint/explicit-function-return-type": [
+        "error",
+        {
+          allowExpressions: true,
+          allowHigherOrderFunctions: true,
+          allowTypedFunctionExpressions: true,
+          allowDirectConstAssertionInArrowFunctions: true,
+        },
+      ],
+
+      "@typescript-eslint/method-signature-style": "error",
+
+      "@typescript-eslint/naming-convention": [
+        "error",
+        {
+          selector: "variableLike",
+          leadingUnderscore: "allow",
+          trailingUnderscore: "allow",
+          format: ["camelCase", "PascalCase", "UPPER_CASE"],
+        },
+      ],
+
+      "@typescript-eslint/no-base-to-string": "error",
+      "@typescript-eslint/no-deprecated": "error",
+      "@typescript-eslint/no-dynamic-delete": "error",
+      "@typescript-eslint/no-extra-non-null-assertion": "error",
+      "@typescript-eslint/no-redundant-type-constituents": "error",
+
+      "@typescript-eslint/no-extraneous-class": [
+        "error",
+        {
+          allowWithDecorator: true,
+        },
+      ],
+
+      "@typescript-eslint/no-floating-promises": [
+        "error",
+        {
+          allowForKnownSafeCalls: [
+            {
+              from: "package",
+              name: ["test", "it", "suite", "describe"],
+              package: "node:test",
+            },
+          ],
+        },
+      ],
+
+      "@typescript-eslint/no-for-in-array": "error",
+      "@typescript-eslint/no-invalid-void-type": "error",
+      "@typescript-eslint/no-misused-new": "error",
+      "@typescript-eslint/no-non-null-asserted-optional-chain": "error",
+      "@typescript-eslint/no-non-null-assertion": "error",
+
+      "@typescript-eslint/no-this-alias": [
+        "error",
+        {
+          allowDestructuring: true,
+        },
+      ],
+
+      "@typescript-eslint/no-unnecessary-boolean-literal-compare": "error",
+      "@typescript-eslint/no-unnecessary-type-assertion": "error",
+      "@typescript-eslint/no-require-imports": "error",
+      "@typescript-eslint/no-unsafe-unary-minus": "error",
+      "@typescript-eslint/no-unsafe-declaration-merging": "error",
+      "@typescript-eslint/no-array-delete": "error",
+      "@typescript-eslint/prefer-as-const": "error",
+      "@typescript-eslint/prefer-function-type": "error",
+      "@typescript-eslint/prefer-find": "error",
+      "@typescript-eslint/prefer-includes": "error",
+
+      "@typescript-eslint/prefer-nullish-coalescing": [
+        "error",
+        {
+          ignoreTernaryTests: true,
+          ignoreConditionalTests: false,
+          ignoreMixedLogicalExpressions: false,
+        },
+      ],
+
+      "@typescript-eslint/prefer-readonly": "error",
+      "@typescript-eslint/prefer-reduce-type-parameter": "error",
+      "@typescript-eslint/prefer-return-this-type": "error",
+      "@typescript-eslint/promise-function-async": "error",
+
+      "prefer-promise-reject-errors": "off",
+      "@typescript-eslint/prefer-promise-reject-errors": "error",
+
+      "@typescript-eslint/require-array-sort-compare": [
+        "error",
+        {
+          ignoreStringArrays: true,
+        },
+      ],
+
+      "@typescript-eslint/restrict-plus-operands": [
+        "error",
+        {
+          skipCompoundAssignments: true,
+        },
+      ],
+
+      "@typescript-eslint/restrict-template-expressions": [
+        "error",
+        {
+          allowNumber: true,
+        },
+      ],
+
+      "@typescript-eslint/strict-boolean-expressions": [
+        "error",
+        {
+          allowString: false,
+          allowNumber: false,
+          allowNullableObject: false,
+          allowNullableBoolean: false,
+          allowNullableString: false,
+          allowNullableNumber: false,
+          allowAny: false,
+        },
+      ],
+    },
+  },
+)

eslint.config.mjs

@@ -0,0 +1,6 @@
+import typescriptESLint from "typescript-eslint"
+import configConventions from "./eslint.config.js"
+
+export default typescriptESLint.config(...configConventions, {
+  ignores: ["test/fixtures/*"],
+})

eslintrc.json

@@ -1,6 +0,0 @@
-{
-  "extends": "./index.js",
-  "parserOptions": {
-    "project": "./tsconfig.json"
-  }
-}

index.d.ts

@@ -0,0 +1,7 @@
+import type typescriptESLint from "typescript-eslint"
+
+declare const eslintConfigConventions: ReturnType<
+  typeof typescriptESLint.config
+>
+
+export default eslintConfigConventions

index.js

@@ -1 +0,0 @@
-module.exports = require("./.eslintrc.json")

package.json

@@ -22,44 +22,71 @@
     "code quality",
     "conventions"
   ],
-  "main": "index.js",
+  "main": "eslint.config.js",
+  "types": "index.d.ts",
+  "type": "module",
   "files": [
-    "index.js",
-    ".eslintrc.json"
+    "eslint.config.js",
+    "index.d.ts",
+    ".oxlintrc.json"
   ],
   "publishConfig": {
     "access": "public",
     "provenance": true
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=20.11.0"
   },
   "scripts": {
     "lint:editorconfig": "editorconfig-checker",
-    "lint:markdown": "markdownlint-cli2",
-    "lint:eslint": "eslint . --max-warnings 0 --report-unused-disable-directives --config eslintrc.json",
+    "lint:eslint": "eslint . --max-warnings 0 --config eslint.config.mjs",
     "lint:prettier": "prettier . --check",
+    "oxlint:migrate": "npx @oxlint/migrate@latest eslint.config.js --type-aware",
+    "inspect": "eslint --inspect-config",
     "test": "node --test",
     "release": "semantic-release"
   },
   "peerDependencies": {
-    "eslint": "^8.57.0",
-    "eslint-plugin-promise": "^7.0.0",
-    "eslint-plugin-unicorn": "^55.0.0"
+    "eslint": "^9.21.0",
+    "eslint-plugin-promise": "^7.2.1",
+    "eslint-plugin-unicorn": "^59.0.0 || ^60.0.0",
+    "eslint-plugin-import-x": "^4.6.1",
+    "globals": "^16.0.0",
+    "typescript-eslint": "^8.32.0"
+  },
+  "peerDependenciesMeta": {
+    "eslint": {
+      "optional": true
+    },
+    "eslint-plugin-promise": {
+      "optional": true
+    },
+    "eslint-plugin-unicorn": {
+      "optional": true
+    },
+    "eslint-plugin-import-x": {
+      "optional": true
+    },
+    "globals": {
+      "optional": true
+    },
+    "typescript-eslint": {
+      "optional": true
+    }
   },
   "devDependencies": {
-    "@types/eslint": "8.56.12",
-    "@types/node": "22.5.5",
-    "@typescript-eslint/eslint-plugin": "8.6.0",
-    "@typescript-eslint/parser": "8.6.0",
-    "editorconfig-checker": "5.1.8",
-    "eslint": "8.57.1",
-    "eslint-plugin-promise": "7.1.0",
-    "eslint-plugin-unicorn": "55.0.0",
-    "markdownlint-cli2": "0.14.0",
-    "markdownlint-rule-relative-links": "3.0.0",
-    "prettier": "3.3.3",
-    "semantic-release": "23.1.1",
-    "typescript": "5.6.2"
+    "@types/node": "24.3.0",
+    "globals": "16.3.0",
+    "editorconfig-checker": "6.1.0",
+    "oxlint": "1.13.0",
+    "@oxlint/migrate": "1.13.0",
+    "eslint": "9.34.0",
+    "eslint-plugin-promise": "7.2.1",
+    "eslint-plugin-unicorn": "60.0.0",
+    "eslint-plugin-import-x": "4.16.1",
+    "typescript-eslint": "8.41.0",
+    "prettier": "3.6.2",
+    "semantic-release": "24.2.7",
+    "typescript": "5.9.2"
   }
 }

test/basic.js

@@ -1,20 +0,0 @@
-const test = require("node:test")
-const assert = require("node:assert/strict")
-
-const config = require("../index.js")
-
-/**
- * @param {unknown} object
- * @returns {boolean}
- */
-const isObject = (object) => {
-  return typeof object === "object" && object !== null
-}
-
-test("test basic properties of config", async () => {
-  assert.ok(isObject(config))
-  assert.ok(isObject(config.parserOptions))
-  assert.ok(isObject(config.env))
-  assert.ok(isObject(config.rules))
-  assert.ok(isObject(config.overrides))
-})

test/validate-config.js

@@ -1,46 +0,0 @@
-const test = require("node:test")
-const assert = require("node:assert/strict")
-
-const { ESLint } = require("eslint")
-
-const eslint = new ESLint({
-  ignore: false,
-  useEslintrc: false,
-  overrideConfigFile: "eslintrc.json",
-})
-
-test("ensure we validate correctly JavaScript files", async () => {
-  const [noErrors] = await eslint.lintFiles(
-    "test/fixtures/javascript-no-errors.js",
-  )
-  const [withErrors] = await eslint.lintFiles(
-    "test/fixtures/javascript-with-errors.js",
-  )
-  assert.strictEqual(noErrors?.errorCount, 0)
-  assert.strictEqual(withErrors?.errorCount, 3)
-})
-
-test("ensure we validate correctly TypeScript files", async () => {
-  const [noErrors] = await eslint.lintFiles(
-    "test/fixtures/typescript-no-errors.ts",
-  )
-  const [withErrors] = await eslint.lintFiles(
-    "test/fixtures/javascript-with-errors.js",
-  )
-  assert.strictEqual(noErrors?.errorCount, 0)
-  assert.strictEqual(withErrors?.errorCount, 3)
-})
-
-test("ensure we allow top-level await", async () => {
-  const [lintResult] = await eslint.lintFiles(
-    "test/fixtures/top-level-await.mjs",
-  )
-  assert.strictEqual(lintResult?.errorCount, 0)
-})
-
-test("ensure we allow to ignore floating promise with void operator (@typescript-eslint/no-floating-promises)", async () => {
-  const [lintResult] = await eslint.lintFiles(
-    "test/fixtures/typescript-no-errors-ignore-promise.ts",
-  )
-  assert.strictEqual(lintResult?.errorCount, 0)
-})

test/validate-config.test.js

@@ -0,0 +1,87 @@
+import assert from "node:assert/strict"
+import { describe, it } from "node:test"
+
+import { ESLint } from "eslint"
+
+const eslint = new ESLint()
+
+describe("ESLint configuration", () => {
+  it("should validate correctly JavaScript files", async () => {
+    const [noErrors] = await eslint.lintFiles(
+      "test/fixtures/javascript-no-errors.js",
+    )
+    const [withErrors] = await eslint.lintFiles(
+      "test/fixtures/javascript-with-errors.js",
+    )
+    assert.strictEqual(
+      noErrors?.errorCount,
+      0,
+      JSON.stringify(noErrors, null, 2),
+    )
+    assert.strictEqual(
+      withErrors?.errorCount,
+      3,
+      JSON.stringify(withErrors, null, 2),
+    )
+  })
+
+  it("should validate correctly TypeScript files", async () => {
+    const [noErrors] = await eslint.lintFiles(
+      "test/fixtures/typescript-no-errors.ts",
+    )
+    const [withErrors] = await eslint.lintFiles(
+      "test/fixtures/javascript-with-errors.js",
+    )
+    assert.strictEqual(
+      noErrors?.errorCount,
+      0,
+      JSON.stringify(noErrors, null, 2),
+    )
+    assert.strictEqual(
+      withErrors?.errorCount,
+      3,
+      JSON.stringify(withErrors, null, 2),
+    )
+  })
+
+  it("should not use deprecated rules", async () => {
+    const [javascriptLintResult] = await eslint.lintFiles(
+      "test/fixtures/javascript-no-errors.js",
+    )
+    const [typescriptLintResult] = await eslint.lintFiles(
+      "test/fixtures/typescript-no-errors.ts",
+    )
+    assert.strictEqual(
+      javascriptLintResult.usedDeprecatedRules.length,
+      0,
+      JSON.stringify(javascriptLintResult, null, 2),
+    )
+    assert.strictEqual(
+      typescriptLintResult.usedDeprecatedRules.length,
+      0,
+      JSON.stringify(typescriptLintResult, null, 2),
+    )
+  })
+
+  it("should allow top-level await", async () => {
+    const [lintResult] = await eslint.lintFiles(
+      "test/fixtures/top-level-await.mjs",
+    )
+    assert.strictEqual(
+      lintResult?.errorCount,
+      0,
+      JSON.stringify(lintResult, null, 2),
+    )
+  })
+
+  it("should allow to ignore floating promise with void operator (@typescript-eslint/no-floating-promises)", async () => {
+    const [lintResult] = await eslint.lintFiles(
+      "test/fixtures/typescript-no-errors-ignore-promise.ts",
+    )
+    assert.strictEqual(
+      lintResult?.errorCount,
+      0,
+      JSON.stringify(lintResult, null, 2),
+    )
+  })
+})