feat: support eslint-plugin-unicorn@^60.0.0

BREAKING CHANGE: New rule introduced

.gitignore

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

.oxlintrc.json

@@ -0,0 +1,277 @@
+{
+  "$schema": "./node_modules/oxlint/configuration_schema.json",
+  "plugins": ["promise", "unicorn", "import"],
+  "categories": {
+    "correctness": "off"
+  },
+  "env": {
+    "builtin": true,
+    "es2025": true,
+    "browser": true,
+    "commonjs": true,
+    "node": true,
+    "shared-node-browser": true
+  },
+  "rules": {
+    "for-direction": "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-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-new-native-nonconstructor": "error",
+    "no-obj-calls": "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-unexpected-multiline": "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-useless-backreference": "error",
+    "use-isnan": [
+      "error",
+      {
+        "enforceForSwitchCase": true,
+        "enforceForIndexOf": true
+      }
+    ],
+    "valid-typeof": [
+      "error",
+      {
+        "requireStringLiterals": true
+      }
+    ],
+    "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-extra-boolean-cast": [
+      "error",
+      {
+        "enforceForInnerExpressions": true
+      }
+    ],
+    "no-empty": [
+      "error",
+      {
+        "allowEmptyCatch": true
+      }
+    ],
+    "no-empty-static-block": "error",
+    "no-eval": "error",
+    "no-global-assign": "error",
+    "no-multi-str": "error",
+    "no-new-func": "error",
+    "no-object-constructor": "error",
+    "no-proto": "error",
+    "no-redeclare": [
+      "error",
+      {
+        "builtinGlobals": false
+      }
+    ],
+    "no-regex-spaces": "error",
+    "no-shadow-restricted-names": "error",
+    "no-throw-literal": "error",
+    "no-unused-expressions": [
+      "error",
+      {
+        "allowShortCircuit": true,
+        "allowTernary": true,
+        "allowTaggedTemplates": true
+      }
+    ],
+    "no-useless-call": "error",
+    "no-useless-concat": "error",
+    "no-useless-constructor": "error",
+    "no-useless-escape": "error",
+    "no-useless-rename": "error",
+    "no-else-return": [
+      "error",
+      {
+        "allowElseIf": false
+      }
+    ],
+    "no-var": "error",
+    "no-void": [
+      "error",
+      {
+        "allowAsStatement": true
+      }
+    ],
+    "no-with": "error",
+    "prefer-object-has-own": "error",
+    "prefer-promise-reject-errors": "error",
+    "radix": "error",
+    "yoda": ["error", "never"],
+    "curly": ["error", "all"],
+    "func-style": ["error", "expression"],
+    "promise/param-names": "error",
+    "promise/no-new-statics": "error",
+    "promise/no-nesting": "error",
+    "unicorn/catch-error-name": "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-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-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/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-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"]
+  },
+  "overrides": [
+    {
+      "files": ["**/*.ts", "**/*.tsx"],
+      "rules": {
+        "no-unused-vars": [
+          "error",
+          {
+            "args": "all",
+            "argsIgnorePattern": "^_",
+            "caughtErrors": "all",
+            "caughtErrorsIgnorePattern": "^_",
+            "destructuredArrayIgnorePattern": "^_",
+            "varsIgnorePattern": "^_",
+            "ignoreRestSiblings": true
+          }
+        ],
+        "no-redeclare": [
+          "error",
+          {
+            "builtinGlobals": false
+          }
+        ],
+        "no-throw-literal": "off",
+        "no-unused-expressions": [
+          "error",
+          {
+            "allowShortCircuit": true,
+            "allowTernary": true,
+            "allowTaggedTemplates": true
+          }
+        ],
+        "@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-function-return-type": [
+          "error",
+          {
+            "allowExpressions": true,
+            "allowHigherOrderFunctions": true,
+            "allowTypedFunctionExpressions": true,
+            "allowDirectConstAssertionInArrowFunctions": true
+          }
+        ],
+        "@typescript-eslint/no-dynamic-delete": "error",
+        "@typescript-eslint/no-extra-non-null-assertion": "error",
+        "@typescript-eslint/no-extraneous-class": [
+          "error",
+          {
+            "allowWithDecorator": true
+          }
+        ],
+        "@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-require-imports": "error",
+        "@typescript-eslint/no-unsafe-declaration-merging": "error",
+        "@typescript-eslint/prefer-as-const": "error",
+        "@typescript-eslint/prefer-function-type": "error",
+        "prefer-promise-reject-errors": "off"
+      },
+      "plugins": ["typescript"]
+    }
+  ]
+}

README.md

@@ -37,11 +37,11 @@ More information about **formatting rules** vs **code-quality rules** can be fou
 npm install --save-dev \
   eslint@^9.21.0 \
   eslint-plugin-promise@^7.2.1 \
-  eslint-plugin-unicorn@^57.0.0 \
+  eslint-plugin-unicorn@^59.0.0 \
   eslint-plugin-import-x@^4.6.1 \
   globals@^16.0.0 \
-  typescript@^5.7.3 \
-  typescript-eslint@^8.24.1 \
+  typescript@^5.8.3 \
+  typescript-eslint@^8.32.0 \
   eslint-config-conventions@latest
 ```
 

eslint.config.js

@@ -252,6 +252,9 @@ export default typescriptESLint.config(
       "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",
@@ -346,6 +349,8 @@ export default typescriptESLint.config(
       "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",
 

package.json

@@ -27,7 +27,8 @@
   "type": "module",
   "files": [
     "eslint.config.js",
-    "index.d.ts"
+    "index.d.ts",
+    ".oxlintrc.json"
   ],
   "publishConfig": {
     "access": "public",
@@ -40,6 +41,7 @@
     "lint:editorconfig": "editorconfig-checker",
     "lint:eslint": "eslint . --max-warnings 0 --config eslint.config.mjs",
     "lint:prettier": "prettier . --check",
+    "oxlint:migrate": "npx @oxlint/migrate",
     "inspect": "eslint --inspect-config",
     "test": "node --test",
     "release": "semantic-release"
@@ -47,22 +49,24 @@
   "peerDependencies": {
     "eslint": "^9.21.0",
     "eslint-plugin-promise": "^7.2.1",
-    "eslint-plugin-unicorn": "^57.0.0 || ^58.0.0",
+    "eslint-plugin-unicorn": "^59.0.0 || ^60.0.0",
     "eslint-plugin-import-x": "^4.6.1",
     "globals": "^16.0.0",
-    "typescript-eslint": "^8.24.1"
+    "typescript-eslint": "^8.32.0"
   },
   "devDependencies": {
-    "@types/node": "22.13.13",
-    "globals": "16.0.0",
-    "editorconfig-checker": "6.0.1",
-    "eslint": "9.23.0",
+    "@types/node": "24.0.15",
+    "globals": "16.3.0",
+    "editorconfig-checker": "6.1.0",
+    "oxlint": "1.7.0",
+    "@oxlint/migrate": "1.7.0",
+    "eslint": "9.31.0",
     "eslint-plugin-promise": "7.2.1",
-    "eslint-plugin-unicorn": "58.0.0",
-    "eslint-plugin-import-x": "4.9.3",
-    "typescript-eslint": "8.28.0",
-    "prettier": "3.5.3",
-    "semantic-release": "24.2.3",
-    "typescript": "5.8.2"
+    "eslint-plugin-unicorn": "60.0.0",
+    "eslint-plugin-import-x": "4.16.1",
+    "typescript-eslint": "8.38.0",
+    "prettier": "3.6.2",
+    "semantic-release": "24.2.7",
+    "typescript": "5.8.3"
   }
 }