Centralize tooling configs in monorepo

docs/api/actionCreatorMiddleware.mdx

@@ -22,7 +22,7 @@ export interface ActionCreatorInvariantMiddlewareOptions {
    * The function to identify whether a value is an action creator.
    * The default checks for a function with a static type property and match method.
    */
-  isActionCreator?: (action: unknown) => action is Function & { type?: unknown }
+  isActionCreator?: (action: unknown) => action is ((...args: any[]) => any) & { type?: unknown }
 }
 ```
 
@@ -54,7 +54,7 @@ import reducer from './reducer'
 // Augment middleware to consider all functions with a static type property to be action creators
 const isActionCreator = (
   action: unknown,
-): action is Function & { type: unknown } =>
+): action is ((...args: any[]) => any) & { type: unknown } =>
   typeof action === 'function' && 'type' in action
 
 const actionCreatorMiddleware = createActionCreatorInvariantMiddleware({

package.json

@@ -20,7 +20,8 @@
     "docs",
     "website",
     "examples/query/react/*",
-    "examples/action-listener/*"
+    "examples/action-listener/*",
+    "packages/configs/*"
   ],
   "devDependencies": {
     "@typescript-eslint/eslint-plugin": "6.12.0",

packages/configs/eslint/.gitignore

@@ -0,0 +1,5 @@
+# Dependencies
+node_modules
+
+# IDE
+.vscode

packages/configs/eslint/README.md

@@ -0,0 +1 @@
+# ESLint Config

packages/configs/eslint/eslint.config.ts

@@ -0,0 +1,76 @@
+import type { Linter } from 'eslint'
+
+const eslintConfig: Linter.Config = {
+  extends: [
+    'eslint:recommended',
+    'plugin:@typescript-eslint/recommended',
+    'plugin:@typescript-eslint/stylistic',
+    // 'plugin:@typescript-eslint/recommended-type-checked',
+    // 'plugin:@typescript-eslint/stylistic-type-checked',
+    'prettier',
+  ],
+  env: { jest: true, browser: true, node: true, es2024: true },
+  globals: {
+    suite: true,
+    expectTypeOf: true,
+    assertType: true,
+    assert: true,
+    vitest: true,
+    vi: true,
+  },
+  rules: {
+    '@typescript-eslint/consistent-type-imports': [
+      2,
+      { fixStyle: 'separate-type-imports', disallowTypeAnnotations: false },
+    ],
+    '@typescript-eslint/consistent-type-exports': [2],
+    '@typescript-eslint/no-unused-vars': [0],
+    '@typescript-eslint/array-type': [2, { default: 'array-simple' }],
+    '@typescript-eslint/no-explicit-any': [0],
+    '@typescript-eslint/no-empty-interface': [2, { allowSingleExtends: true }],
+    '@typescript-eslint/no-unsafe-argument': [0],
+    '@typescript-eslint/ban-types': [
+      2,
+      // {
+      //   extendDefaults: true,
+      //   types: {
+      //     '{}': { fixWith: 'AnyNonNullishValue' },
+      //     Function: { fixWith: 'AnyFunction' },
+      //   },
+      // },
+    ],
+    // '@typescript-eslint/prefer-as-const': [2],
+    // '@typescript-eslint/no-unnecessary-type-constraint': [2],
+    // '@typescript-eslint/no-var-requires': [2],
+    // 'no-unsafe-optional-chaining': [2],
+    // '@typescript-eslint/no-unsafe-return': [0],
+    // '@typescript-eslint/no-unsafe-assignment': [0],
+    // '@typescript-eslint/no-empty-function': [0],
+    '@typescript-eslint/no-namespace': [
+      2,
+      { allowDeclarations: true, allowDefinitionFiles: true },
+    ],
+    '@typescript-eslint/ban-ts-comment': [0],
+    'sort-imports': [
+      2,
+      {
+        ignoreCase: false,
+        ignoreDeclarationSort: true,
+        ignoreMemberSort: false,
+        memberSyntaxSortOrder: ['none', 'all', 'multiple', 'single'],
+        allowSeparatedGroups: true,
+      },
+    ],
+  },
+  parser: '@typescript-eslint/parser',
+  parserOptions: { project: true, ecmaVersion: 'latest' },
+  plugins: ['@typescript-eslint'],
+  ignorePatterns: ['dist'],
+  root: true,
+  overrides: [
+    { files: ['*.{c,m,}{t,j}s', '*.{t,j}sx'] },
+    { files: ['*{test,spec}.{t,j}s?(x)'] },
+  ],
+}
+
+module.exports = eslintConfig

packages/configs/eslint/package.json

@@ -0,0 +1,34 @@
+{
+  "name": "@reduxjs/eslint-config",
+  "version": "0.0.1",
+  "description": "ESLint configuration for Redux projects",
+  "main": "./dist/eslint.config.js",
+  "types": "./dist/eslint.config.d.ts",
+  "scripts": {
+    "build": "yarn clean && tsc",
+    "clean": "rimraf dist"
+  },
+  "keywords": [
+    "eslint",
+    "config",
+    "eslint-config",
+    "reduxjs",
+    "redux-toolkit",
+    "configuration"
+  ],
+  "publishConfig": {
+    "access": "public"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/reduxjs/redux-toolkit.git"
+  },
+  "devDependencies": {
+    "@typescript-eslint/eslint-plugin": "^6.20.0",
+    "@typescript-eslint/parser": "^6.20.0",
+    "eslint": "^8.56.0",
+    "eslint-config-prettier": "^9.1.0",
+    "rimraf": "^5.0.5",
+    "typescript": "^5.3.3"
+  }
+}

packages/configs/eslint/tsconfig.json

@@ -0,0 +1,13 @@
+{
+  "compilerOptions": {
+    "target": "ESNext",
+    "module": "CommonJS",
+    "moduleResolution": "Node",
+    "esModuleInterop": true,
+    "declaration": true,
+    "outDir": "dist",
+    "forceConsistentCasingInFileNames": true,
+    "strict": true,
+    "skipLibCheck": true,
+  },
+}

packages/configs/prettier/.gitignore

@@ -0,0 +1,5 @@
+# Dependencies
+node_modules
+
+# IDE
+.vscode

packages/configs/prettier/README.md

@@ -0,0 +1 @@
+# Prettier Config

packages/configs/prettier/package.json

@@ -0,0 +1,33 @@
+{
+  "name": "@reduxjs/prettier-config",
+  "version": "0.0.1",
+  "description": "Prettier configuration for Redux projects",
+  "main": "./dist/prettier.config.mjs",
+  "types": "./dist/prettier.config.d.mts",
+  "type": "module",
+  "scripts": {
+    "build": "yarn clean && tsc",
+    "clean": "rimraf dist"
+  },
+  "keywords": [
+    "prettier",
+    "config",
+    "prettier-config",
+    "reduxjs",
+    "redux-toolkit",
+    "configuration"
+  ],
+  "publishConfig": {
+    "access": "public"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/reduxjs/redux-toolkit.git"
+  },
+  "devDependencies": {
+    "prettier": "^3.2.4",
+    "rimraf": "^5.0.5",
+    "typescript": "^5.3.3"
+  },
+  "prettier": "./dist/prettier.config.mjs"
+}

packages/configs/prettier/prettier.config.mts

@@ -0,0 +1,8 @@
+import type { Config } from 'prettier'
+
+export const prettierConfig: Config = {
+  semi: false,
+  singleQuote: true,
+}
+
+export default prettierConfig

packages/configs/prettier/tsconfig.json

@@ -0,0 +1,13 @@
+{
+  "compilerOptions": {
+    "target": "ESNext",
+    "module": "ESNext",
+    "moduleResolution": "Node",
+    "esModuleInterop": true,
+    "declaration": true,
+    "outDir": "dist",
+    "forceConsistentCasingInFileNames": true,
+    "strict": true,
+    "skipLibCheck": true,
+  },
+}

packages/configs/typescript/.gitignore

@@ -0,0 +1,5 @@
+# Dependencies
+node_modules
+
+# IDE
+.vscode

packages/configs/typescript/README.md

@@ -0,0 +1 @@
+# TypeScript Config

packages/configs/typescript/package.json

@@ -0,0 +1,26 @@
+{
+  "name": "@reduxjs/tsconfig",
+  "version": "0.0.1",
+  "description": "TypeScript configuration for Redux projects",
+  "main": "tsconfig.json",
+  "type": "module",
+  "files": [
+    "tsconfig*.json"
+  ],
+  "keywords": [
+    "config",
+    "reduxjs",
+    "redux-toolkit",
+    "tsconfig",
+    "typescript",
+    "ts",
+    "configuration"
+  ],
+  "publishConfig": {
+    "access": "public"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/reduxjs/redux-toolkit.git"
+  }
+}

packages/configs/typescript/tsconfig.base.json

@@ -0,0 +1,41 @@
+{
+  "compilerOptions": {
+    "allowSyntheticDefaultImports": true,
+    "baseUrl": ".",
+    // output .d.ts declaration files for consumers
+    "declaration": true,
+    "downlevelIteration": false,
+    "emitDeclarationOnly": true,
+    // interop between ESM and CJS modules. Recommended by TS
+    "esModuleInterop": true,
+    // error out if import and file system have a casing mismatch. Recommended by TS
+    "forceConsistentCasingInFileNames": true,
+    "importHelpers": true,
+    // ensure that each file can be safely transpiled by babel (etc.) without relying on other imports
+    "isolatedModules": true,
+    // transpile JSX to React.createElement
+    "jsx": "react",
+    "lib": ["DOM", "ESNext"],
+    "module": "ESnext",
+    // use Node's module resolution algorithm, instead of the legacy TS one
+    "moduleResolution": "Node",
+    "noErrorTruncation": true,
+    // linter checks for common issues
+    "noFallthroughCasesInSwitch": true,
+    // noUnused* overlap with @typescript-eslint/no-unused-vars, can disable if duplicative
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "outDir": "dist",
+    "paths": {
+      "@internal/*": ["src/*"]
+    },
+    // match output dir to input dir. e.g. dist/index instead of dist/src/index
+    "rootDir": ".",
+    // significant perf increase by skipping checking .d.ts files, particularly those in node_modules. Recommended by TS
+    "skipLibCheck": true,
+    // stricter type-checking for stronger correctness. Recommended by TS
+    "strict": true,
+    "target": "ESnext",
+    "types": ["vitest/globals", "vitest/importMeta"]
+  }
+}

packages/configs/typescript/tsconfig.build.json

@@ -0,0 +1,15 @@
+{
+  // For building the library.
+  "extends": "./tsconfig.base.json",
+  "compilerOptions": {
+    "outDir": "dist"
+  },
+  "include": ["src"],
+  "exclude": [
+    "src/**/*.test.ts*",
+    "src/**/*.test-d.ts*",
+    "src/**/*.spec.ts*",
+    "src/**/tests/*",
+    "src/**/*.typetest.ts*"
+  ]
+}

packages/configs/typescript/tsconfig.json

@@ -0,0 +1,11 @@
+{
+  // For general development and intellisense.
+  // Scans the entire source code against the current TS version
+  // we are using during development.
+  "extends": "./tsconfig.test.json",
+  "compilerOptions": {
+    "skipLibCheck": true,
+    "rootDir": ".",
+  },
+  "include": ["."],
+}

packages/configs/typescript/tsconfig.test.json

@@ -0,0 +1,19 @@
+{
+  // For runtime and type tests during CI.
+  "extends": "./tsconfig.base.json",
+  "compilerOptions": {
+    "emitDeclarationOnly": false,
+    "noEmit": true,
+    "jsx": "react-jsx",
+    "skipLibCheck": true,
+    "noImplicitReturns": false
+  },
+  "exclude": ["dist"],
+  "include": [
+    "./**/*.test.ts*",
+    "./**/*.test-d.ts*",
+    "./**/*.spec.ts*",
+    "./**/tests/**/*",
+    "./**/*.typetest.ts*"
+  ]
+}

packages/configs/vitest/.gitignore

@@ -0,0 +1,5 @@
+# Dependencies
+node_modules
+
+# IDE
+.vscode

packages/configs/vitest/README.md

@@ -0,0 +1 @@
+# Vitest Config

packages/configs/vitest/package.json

@@ -0,0 +1,33 @@
+{
+  "name": "@reduxjs/vitest-config",
+  "version": "0.0.1",
+  "description": "Vitest configuration for Redux projects",
+  "main": "./dist/vitest.config.mjs",
+  "types": "./dist/vitest.config.d.mts",
+  "type": "module",
+  "scripts": {
+    "build": "yarn clean && tsc",
+    "clean": "rimraf dist"
+  },
+  "keywords": [
+    "config",
+    "reduxjs",
+    "redux-toolkit",
+    "vitest-config",
+    "vitest",
+    "vite",
+    "configuration"
+  ],
+  "publishConfig": {
+    "access": "public"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/reduxjs/redux-toolkit.git"
+  },
+  "devDependencies": {
+    "rimraf": "^5.0.5",
+    "typescript": "^5.3.3",
+    "vitest": "^1.2.2"
+  }
+}