feat!: expose used plugins and automatic inference used plugins

this allows users to easier customize based on our presets

BREAKING CHANGE: renamed `utils.config()` to `utils.defineConfig()`

README.md

@@ -40,9 +40,9 @@ In your `eslint.config.mjs`([or equivalent](https://eslint.org/docs/latest/use/c
 ```js
 import eslintConfigRightcapital from '@rightcapital/eslint-config';
 
-const { config } = eslintConfigRightcapital.utils;
+const { defineConfig } = eslintConfigRightcapital.utils;
 
-export default config(
+export default defineConfig(
   ...eslintConfigRightcapital.configs.recommended,
 
   // add more configs for specific files or packages if needed
@@ -73,7 +73,25 @@ export default config(
 
 **`utils`**
 
-- `config`: reexported util from `typescript-eslint` for easier compositing ESLint config. (docs: https://typescript-eslint.io/packages/typescript-eslint#config)
+- `defineConfig`: reexported util from `typescript-eslint` for easier compositing ESLint config. (docs: https://typescript-eslint.io/packages/typescript-eslint#config), with automatic plugin inference (when the plugin is known to `@rightcapital/eslint-config`).
+
+  ```js
+  const { defineConfig } = eslintConfigRightcapital.utils;
+
+  export default defineConfig({
+    plugins: {
+      /**
+       * You can omit this since it's already known to `@rightcapital/eslint-config`.
+       * And `defineConfig` will automatically infer the plugin from `@rightcapital/eslint-config`.
+       */
+      // unicorn: eslintPluginUnicorn,
+    },
+    rules: {
+      'unicorn/no-hex-escape': 'error',
+    },
+  });
+  ```
+
 - `globals`: reexported util from [globals](https://github.com/sindresorhus/globals), useful for configuring [`languageOptions.globals`](https://eslint.org/docs/latest/use/configure/language-options#specifying-globals).
 
 ---

change/@rightcapital-eslint-config-6c337893-976b-4e96-b2b9-ec4077713318.json

@@ -0,0 +1,7 @@
+{
+  "comment": "feat!: expose used plugins and automatic inference used plugins",
+  "type": "major",
+  "packageName": "@rightcapital/eslint-config",
+  "email": "[email protected]",
+  "dependentChangeType": "patch"
+}

eslint.config.mjs

@@ -1,9 +1,9 @@
 import eslintConfigRightcapital from '@rightcapital/eslint-config';
 import eslintPluginEslintPlugin from 'eslint-plugin-eslint-plugin';
 
-const { config } = eslintConfigRightcapital.utils;
+const { defineConfig } = eslintConfigRightcapital.utils;
 
-export default config(
+export default defineConfig(
   {
     /**
      * NOTE:

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

@@ -1,15 +1,12 @@
 import type { TSESLint } from '@typescript-eslint/utils';
-import eslintPluginLodash from 'eslint-plugin-lodash';
-import eslintPluginUnicorn from 'eslint-plugin-unicorn';
+
+import { pickPlugins } from '../../utils.js';
 
 // 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: TSESLint.FlatConfig.ConfigArray = [
   {
-    plugins: {
-      lodash: eslintPluginLodash,
-      unicorn: eslintPluginUnicorn,
-    },
+    plugins: pickPlugins(['lodash', 'unicorn']),
     rules: {
       // enforces return statements in callbacks of array's methods
       // https://eslint.org/docs/rules/array-callback-return

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

@@ -1,16 +1,12 @@
 import type { TSESLint } from '@typescript-eslint/utils';
-import eslintPluginSimpleImportSort from 'eslint-plugin-simple-import-sort';
 
-import eslintPluginImportX from '../../plugins/eslint-plugin-import-x.js';
+import { pickPlugins } from '../../utils.js';
 
 // extracted from [email protected]
 // https://github.com/airbnb/javascript/blob/eslint-config-airbnb-base-v15.0.0/packages/eslint-config-airbnb-base/rules/imports.js
 const config: TSESLint.FlatConfig.ConfigArray = [
   {
-    plugins: {
-      'import-x': eslintPluginImportX,
-      'simple-import-sort': eslintPluginSimpleImportSort,
-    },
+    plugins: pickPlugins(['import-x', 'simple-import-sort']),
 
     rules: {
       // Static analysis:

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

@@ -1,13 +1,13 @@
-import eslintPluginStylistic from '@stylistic/eslint-plugin';
 import type { TSESLint } from '@typescript-eslint/utils';
 
+import { pickPlugins } from '../../utils.js';
+
 // extracted from [email protected]
 // https://github.com/airbnb/javascript/blob/eslint-config-airbnb-base-v15.0.0/packages/eslint-config-airbnb-base/rules/style.js
 const config: TSESLint.FlatConfig.ConfigArray = [
   {
-    plugins: {
-      '@stylistic': eslintPluginStylistic as TSESLint.FlatConfig.Plugin,
-    },
+    plugins: pickPlugins(['@stylistic']),
+
     rules: {
       // require camel case names
       camelcase: ['error', { properties: 'never', ignoreDestructuring: false }],

packages/eslint-config/src/config/mixin/node.ts

@@ -1,6 +1,7 @@
 import type { TSESLint } from '@typescript-eslint/utils';
-import n from 'eslint-plugin-n';
 import globals from 'globals';
+
+import { pickPlugins } from '../../utils.js';
 /**
  * Common rules for JavaScript files.
  */
@@ -12,9 +13,7 @@ const config: TSESLint.FlatConfig.ConfigArray = [
       },
     },
 
-    plugins: {
-      n,
-    },
+    plugins: pickPlugins(['n']),
 
     rules: {
       // require all requires be top-level

packages/eslint-config/src/config/mixin/react.ts

@@ -1,11 +1,8 @@
 import eslintPluginReact from '@eslint-react/eslint-plugin';
-import eslintPluginRightcapital from '@rightcapital/eslint-plugin';
-import eslintPluginStylistic from '@stylistic/eslint-plugin';
 import type { TSESLint } from '@typescript-eslint/utils';
-import eslintPluginA11y from 'eslint-plugin-jsx-a11y';
 import globals from 'globals';
 
-import eslintPluginReactHooks from '../../plugins/eslint-plugin-react-hooks.js';
+import { pickPlugins } from '../../utils.js';
 /**
  * Common rules for React, working with TypeScript.
  */
@@ -17,13 +14,15 @@ const config: TSESLint.FlatConfig.ConfigArray = [
         ...globals.browser,
       },
     },
-    plugins: {
-      ...eslintPluginReact.configs.all.plugins,
-      '@rightcapital': eslintPluginRightcapital,
-      '@stylistic': eslintPluginStylistic as TSESLint.FlatConfig.Plugin,
-      'react-hooks': eslintPluginReactHooks,
-      'jsx-a11y': eslintPluginA11y,
-    },
+    plugins: pickPlugins([
+      ...(Object.keys(
+        eslintPluginReact.configs.all.plugins,
+      ) as (keyof typeof eslintPluginReact.configs.all.plugins)[]),
+      '@rightcapital',
+      '@stylistic',
+      'react-hooks',
+      'jsx-a11y',
+    ]),
     rules: {
       // naming convention
       '@eslint-react/naming-convention/component-name': ['error', 'PascalCase'],

packages/eslint-config/src/config/typescript.ts

@@ -1,8 +1,7 @@
-import eslintPluginRightcapital from '@rightcapital/eslint-plugin';
 import type { TSESLint } from '@typescript-eslint/utils';
 import * as typescriptEslint from 'typescript-eslint';
 
-import eslintPluginImportX from '../plugins/eslint-plugin-import-x.js';
+import { pickPlugins } from '../utils.js';
 import baseConfig from './base/index.js';
 
 /**
@@ -12,11 +11,7 @@ const config: TSESLint.FlatConfig.ConfigArray = [
   ...baseConfig,
   ...typescriptEslint.configs.recommendedTypeChecked,
   {
-    plugins: {
-      '@typescript-eslint': typescriptEslint.plugin,
-      '@rightcapital': eslintPluginRightcapital,
-      'import-x': eslintPluginImportX,
-    },
+    plugins: pickPlugins(['@typescript-eslint', '@rightcapital', 'import-x']),
     languageOptions: {
       parser: typescriptEslint.parser,
       parserOptions: {

packages/eslint-config/src/index.ts

@@ -1,32 +1,27 @@
 import type { TSESLint } from '@typescript-eslint/utils';
-import globals from 'globals';
-import { config } from 'typescript-eslint';
 
 import jsConfig from './config/javascript.js';
 import linterConfig from './config/linter.js';
 import nodeConfig from './config/mixin/node.js';
 import reactConfig from './config/mixin/react.js';
 import scriptConfig from './config/mixin/script.js';
 import tsConfig from './config/typescript.js';
+import utils from './utils.js';
 
-const recommendedConfig = config(
+const recommendedConfig = utils.defineConfig(
   ...linterConfig,
-
   {
     files: ['**/*.{js,cjs,mjs,jsx}'],
     extends: [...jsConfig],
   },
-
   {
     files: ['**/*.{ts,cts,mts,tsx}'],
     extends: [...tsConfig],
   },
-
   {
     files: ['**/*.tsx'],
     extends: [...reactConfig],
   },
-
   {
     // test files
     files: [
@@ -46,7 +41,6 @@ const recommendedConfig = config(
       ],
     },
   },
-
   {
     // scripts
     files: [
@@ -60,7 +54,6 @@ const recommendedConfig = config(
     ],
     extends: [...scriptConfig],
   },
-
   {
     files: ['*.{js,cjs,mjs,ts,cts,mts}'], // files in the root directory, typically work in node environment
     extends: [...nodeConfig],
@@ -76,15 +69,5 @@ const configs = {
   script: scriptConfig,
 } as const satisfies Record<string, TSESLint.FlatConfig.ConfigArray>;
 
-const utils = {
-  /**
-   * Utility function for composing configs from `typescript-eslint`.
-   *
-   * @see https://typescript-eslint.io/packages/typescript-eslint#config
-   */
-  config,
-  globals,
-} as const;
-
 export { configs, utils };
 export default { configs, utils };

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

@@ -0,0 +1,30 @@
+import eslintPluginReact from '@eslint-react/eslint-plugin';
+import eslintPluginRightcapital from '@rightcapital/eslint-plugin';
+import eslintPluginStylistic from '@stylistic/eslint-plugin';
+import type { TSESLint } from '@typescript-eslint/utils';
+import eslintPluginA11y from 'eslint-plugin-jsx-a11y';
+import eslintPluginLodash from 'eslint-plugin-lodash';
+import n from 'eslint-plugin-n';
+import eslintPluginSimpleImportSort from 'eslint-plugin-simple-import-sort';
+import eslintPluginUnicorn from 'eslint-plugin-unicorn';
+import * as typescriptEslint from 'typescript-eslint';
+
+import eslintPluginImportX from './eslint-plugin-import-x.js';
+import eslintPluginReactHooks from './eslint-plugin-react-hooks.js';
+
+/**
+ * All plugins used in `@rightcapital/eslint-config`.
+ */
+export const plugins = {
+  '@typescript-eslint': typescriptEslint.plugin,
+  '@rightcapital': eslintPluginRightcapital,
+  'import-x': eslintPluginImportX,
+  'simple-import-sort': eslintPluginSimpleImportSort,
+  n,
+  ...eslintPluginReact.configs.all.plugins,
+  '@stylistic': eslintPluginStylistic as TSESLint.FlatConfig.Plugin,
+  'react-hooks': eslintPluginReactHooks,
+  'jsx-a11y': eslintPluginA11y,
+  lodash: eslintPluginLodash,
+  unicorn: eslintPluginUnicorn,
+};

packages/eslint-config/src/utils.ts

@@ -0,0 +1,57 @@
+import globals from 'globals';
+import tseslint from 'typescript-eslint';
+
+import { plugins } from './plugins/index.js';
+
+/**
+ * Generate a plugins object from a list of ESLint plugin names
+ * (Only plugins that are known to `@rightcapital/eslint-config`).
+ *
+ * @see {@link plugins} for the list of plugins.
+ */
+export function pickPlugins(pluginNames?: Array<keyof typeof plugins>) {
+  if (!pluginNames) {
+    return plugins;
+  }
+
+  return Object.fromEntries(
+    pluginNames.map((pluginName) => [pluginName, plugins[pluginName]]),
+  );
+}
+
+const defineConfig: typeof tseslint.config = (...configs) =>
+  tseslint.config(...configs).map((config) => {
+    const knownPluginNames = Object.keys(plugins).filter((pluginName) =>
+      Object.keys(config.rules ?? {}).some((rule) =>
+        rule.startsWith(`${pluginName}/`),
+      ),
+    ) as Array<keyof typeof plugins>;
+    const resolvedPlugins = {
+      ...pickPlugins(knownPluginNames),
+      ...config.plugins,
+    };
+    return {
+      ...(Object.keys(resolvedPlugins).length > 0
+        ? { plugins: resolvedPlugins }
+        : null),
+      ...config,
+    };
+  });
+
+const utils = {
+  /**
+   * Utility function for easily composing configs.
+   *
+   * This is a wrapper around `typescript-eslint`'s `config` function.
+   *
+   * With automatic plugin inference(if the plugin is known to `@rightcapital/eslint-config`).
+   *
+   * @see https://typescript-eslint.io/packages/typescript-eslint#config
+   */
+  defineConfig,
+  globals,
+  plugins,
+  pickPlugins,
+} as const;
+
+export default utils;

specs/eslint-configs/eslint.config.mjs

@@ -1,8 +1,8 @@
 import eslintConfigRightcapital from '@rightcapital/eslint-config';
 
-const { config } = eslintConfigRightcapital.utils;
+const { defineConfig } = eslintConfigRightcapital.utils;
 
-export default config(
+export default defineConfig(
   {
     files: ['src/javascript.js'],
     extends: [...eslintConfigRightcapital.configs.js],