feat: type support for rules

eslint.config.js

@@ -1,3 +1,4 @@
+// @ts-check
 import sortKeys from 'eslint-plugin-sort-keys'
 import styleMigrate from '@stylistic/eslint-plugin-migrate'
 import antfu from './dist/index.js'
@@ -10,9 +11,6 @@ export default antfu(
       'fixtures',
       '_fixtures',
     ],
-    // typescript: {
-    //   tsconfigPath: 'tsconfig.json',
-    // },
   },
   {
     files: ['src/**/*.ts'],

package.json

@@ -37,11 +37,11 @@
     "eslint": ">=8.0.0"
   },
   "dependencies": {
+    "@antfu/eslint-define-config": "^1.23.0-1",
     "@stylistic/eslint-plugin": "0.0.6",
     "@typescript-eslint/eslint-plugin": "^6.7.4",
     "@typescript-eslint/parser": "^6.7.4",
     "eslint-config-flat-gitignore": "^0.1.0",
-    "eslint-define-config": "^1.23.0",
     "eslint-plugin-antfu": "^1.0.0-beta.10",
     "eslint-plugin-eslint-comments": "^3.2.0",
     "eslint-plugin-i": "^2.28.1",

scripts/types.ts

@@ -0,0 +1,24 @@
+import fs from 'node:fs/promises'
+import { packages } from '@eslint-stylistic/metadata'
+
+const main = packages.find(i => i.shortId === 'default')
+
+console.log(main.rules)
+
+const dts = `
+import type {
+  EslintRules,
+  MergeIntersection,
+  TypeScriptRules,
+  Unprefix,
+} from '@antfu/eslint-define-config'
+
+type MergedRules = MergeIntersection<
+  EslintRules &
+  Unprefix<TypeScriptRules, '@typescript-eslint/'>
+>
+
+export type StylisticRules = Pick<MergedRules, ${main.rules.map(i => `'${i.name}'`).join(' | ')}>
+`
+
+fs.writeFile('src/generated/stylistic.ts', dts, 'utf-8')

src/configs/comments.ts

@@ -1,7 +1,7 @@
-import type { FlatESLintConfigItem } from '../types'
+import type { ConfigItem } from '../types'
 import { pluginComments } from '../plugins'
 
-export function comments(): FlatESLintConfigItem[] {
+export function comments(): ConfigItem[] {
   return [
     {
       name: 'antfu:eslint-comments',

src/configs/ignores.ts

@@ -1,7 +1,7 @@
-import type { FlatESLintConfigItem } from '../types'
+import type { ConfigItem } from '../types'
 import { GLOB_EXCLUDE } from '../globs'
 
-export function ignores(): FlatESLintConfigItem[] {
+export function ignores(): ConfigItem[] {
   return [
     {
       ignores: GLOB_EXCLUDE,

src/configs/imports.ts

@@ -1,7 +1,7 @@
-import type { FlatESLintConfigItem, OptionsStylistic } from '../types'
+import type { ConfigItem, OptionsStylistic } from '../types'
 import { pluginAntfu, pluginImport } from '../plugins'
 
-export function imports(options: OptionsStylistic = {}): FlatESLintConfigItem[] {
+export function imports(options: OptionsStylistic = {}): ConfigItem[] {
   const {
     stylistic = true,
   } = options

src/configs/javascript.ts

@@ -1,10 +1,10 @@
 import globals from 'globals'
-import type { FlatESLintConfigItem, OptionsIsInEditor, OptionsOverrides } from '../types'
+import type { ConfigItem, OptionsIsInEditor, OptionsOverrides } from '../types'
 import { pluginAntfu, pluginUnusedImports } from '../plugins'
 import { OFF } from '../flags'
 import { GLOB_SRC, GLOB_SRC_EXT } from '../globs'
 
-export function javascript(options: OptionsIsInEditor & OptionsOverrides = {}): FlatESLintConfigItem[] {
+export function javascript(options: OptionsIsInEditor & OptionsOverrides = {}): ConfigItem[] {
   const {
     isInEditor = false,
     overrides = {},

src/configs/jsdoc.ts

@@ -1,7 +1,7 @@
-import type { FlatESLintConfigItem, OptionsStylistic } from '../types'
+import type { ConfigItem, OptionsStylistic } from '../types'
 import { pluginJsdoc } from '../plugins'
 
-export function jsdoc(options: OptionsStylistic = {}): FlatESLintConfigItem[] {
+export function jsdoc(options: OptionsStylistic = {}): ConfigItem[] {
   const {
     stylistic = true,
   } = options

src/configs/jsonc.ts

@@ -1,8 +1,8 @@
-import type { FlatESLintConfigItem, OptionsOverrides, OptionsStylistic } from '../types'
+import type { ConfigItem, OptionsOverrides, OptionsStylistic } from '../types'
 import { GLOB_JSON, GLOB_JSON5, GLOB_JSONC } from '../globs'
 import { parserJsonc, pluginJsonc } from '../plugins'
 
-export function jsonc(options: OptionsStylistic & OptionsOverrides = {}): FlatESLintConfigItem[] {
+export function jsonc(options: OptionsStylistic & OptionsOverrides = {}): ConfigItem[] {
   const {
     stylistic = true,
     overrides = {},

src/configs/markdown.ts

@@ -1,9 +1,9 @@
-import type { FlatESLintConfigItem, OptionsComponentExts, OptionsOverrides } from '../types'
+import type { ConfigItem, OptionsComponentExts, OptionsOverrides } from '../types'
 import { GLOB_MARKDOWN, GLOB_MARKDOWN_CODE } from '../globs'
 import { pluginMarkdown } from '../plugins'
 import { OFF } from '../flags'
 
-export function markdown(options: OptionsComponentExts & OptionsOverrides = {}): FlatESLintConfigItem[] {
+export function markdown(options: OptionsComponentExts & OptionsOverrides = {}): ConfigItem[] {
   const {
     componentExts = [],
     overrides = {},

src/configs/node.ts

@@ -1,7 +1,7 @@
-import type { FlatESLintConfigItem } from '../types'
+import type { ConfigItem } from '../types'
 import { pluginNode } from '../plugins'
 
-export function node(): FlatESLintConfigItem[] {
+export function node(): ConfigItem[] {
   return [
     {
       name: 'antfu:node',

src/configs/sort.ts

@@ -1,11 +1,11 @@
-import type { FlatESLintConfigItem } from '../types'
+import type { ConfigItem } from '../types'
 
 /**
  * Sort package.json
  *
  * Requires `jsonc` config
  */
-export function sortPackageJson(): FlatESLintConfigItem[] {
+export function sortPackageJson(): ConfigItem[] {
   return [
     {
       files: ['**/package.json'],
@@ -100,7 +100,7 @@ export function sortPackageJson(): FlatESLintConfigItem[] {
  * Requires `jsonc` config
  */
 
-export function sortTsconfig(): FlatESLintConfigItem[] {
+export function sortTsconfig(): ConfigItem[] {
   return [
     {
       files: ['**/tsconfig.json', '**/tsconfig.*.json'],

src/configs/stylistic.ts

@@ -1,7 +1,7 @@
-import type { FlatESLintConfigItem, StylisticConfig } from '../types'
+import type { ConfigItem, StylisticConfig } from '../types'
 import { pluginAntfu, pluginStylistic } from '../plugins'
 
-export function stylistic(options: StylisticConfig = {}): FlatESLintConfigItem[] {
+export function stylistic(options: StylisticConfig = {}): ConfigItem[] {
   const {
     indent = 2,
     quotes = 'single',

src/configs/test.ts

@@ -1,9 +1,9 @@
-import type { FlatESLintConfigItem, OptionsIsInEditor, OptionsOverrides } from '../types'
+import type { ConfigItem, OptionsIsInEditor, OptionsOverrides } from '../types'
 import { pluginNoOnlyTests, pluginVitest } from '../plugins'
 import { GLOB_TESTS } from '../globs'
 import { OFF } from '../flags'
 
-export function test(options: OptionsIsInEditor & OptionsOverrides = {}): FlatESLintConfigItem[] {
+export function test(options: OptionsIsInEditor & OptionsOverrides = {}): ConfigItem[] {
   const {
     isInEditor = false,
     overrides = {},

src/configs/typescript.ts

@@ -1,21 +1,21 @@
 import process from 'node:process'
-import type { FlatESLintConfigItem, OptionsComponentExts, OptionsOverrides, OptionsTypeScriptParserOptions, OptionsTypeScriptWithTypes } from '../types'
+import type { ConfigItem, OptionsComponentExts, OptionsOverrides, OptionsTypeScriptParserOptions, OptionsTypeScriptWithTypes } from '../types'
 import { GLOB_SRC } from '../globs'
 import { parserTs, pluginAntfu, pluginImport, pluginTs } from '../plugins'
 import { OFF } from '../flags'
 import { renameRules } from '../utils'
 
 export function typescript(
   options?: OptionsComponentExts & OptionsOverrides & OptionsTypeScriptWithTypes & OptionsTypeScriptParserOptions,
-): FlatESLintConfigItem[] {
+): ConfigItem[] {
   const {
     componentExts = [],
     overrides = {},
     parserOptions = {},
     tsconfigPath,
   } = options ?? {}
 
-  const typeAwareRules: FlatESLintConfigItem['rules'] = {
+  const typeAwareRules: ConfigItem['rules'] = {
     'dot-notation': OFF,
     'no-implied-eval': OFF,
     'no-throw-literal': OFF,

src/configs/unicorn.ts

@@ -1,7 +1,7 @@
-import type { FlatESLintConfigItem } from '../types'
+import type { ConfigItem } from '../types'
 import { pluginUnicorn } from '../plugins'
 
-export function unicorn(): FlatESLintConfigItem[] {
+export function unicorn(): ConfigItem[] {
   return [
     {
       name: 'antfu:unicorn',

src/configs/vue.ts

@@ -1,11 +1,11 @@
-import type { FlatESLintConfigItem, OptionsHasTypeScript, OptionsOverrides, OptionsStylistic } from '../types'
+import type { ConfigItem, OptionsHasTypeScript, OptionsOverrides, OptionsStylistic } from '../types'
 import { GLOB_VUE } from '../globs'
 import { parserTs, parserVue, pluginVue } from '../plugins'
 import { OFF } from '../flags'
 
 export function vue(
   options: OptionsHasTypeScript & OptionsOverrides & OptionsStylistic = {},
-): FlatESLintConfigItem[] {
+): ConfigItem[] {
   const {
     overrides = {},
     stylistic = true,

src/configs/yaml.ts

@@ -1,11 +1,11 @@
-import type { FlatESLintConfigItem, OptionsOverrides, OptionsStylistic } from '../types'
+import type { ConfigItem, OptionsOverrides, OptionsStylistic } from '../types'
 import { GLOB_YAML } from '../globs'
 import { parserYaml, pluginYaml } from '../plugins'
 import { OFF } from '../flags'
 
 export function yaml(
   options: OptionsOverrides & OptionsStylistic = {},
-): FlatESLintConfigItem[] {
+): ConfigItem[] {
   const {
     overrides = {},
     stylistic = true,

src/factory.ts

@@ -2,7 +2,7 @@ import process from 'node:process'
 import fs from 'node:fs'
 import { isPackageExists } from 'local-pkg'
 import gitignore from 'eslint-config-flat-gitignore'
-import type { FlatESLintConfigItem, OptionsConfig } from './types'
+import type { ConfigItem, OptionsConfig } from './types'
 import {
   comments,
   ignores,
@@ -23,7 +23,7 @@ import {
 } from './configs'
 import { combine } from './utils'
 
-const flatConfigProps: (keyof FlatESLintConfigItem)[] = [
+const flatConfigProps: (keyof ConfigItem)[] = [
   'files',
   'ignores',
   'languageOptions',
@@ -44,7 +44,7 @@ const VuePackages = [
 /**
  * Construct an array of ESLint flat config items.
  */
-export function antfu(options: OptionsConfig & FlatESLintConfigItem = {}, ...userConfigs: (FlatESLintConfigItem | FlatESLintConfigItem[])[]) {
+export function antfu(options: OptionsConfig & ConfigItem = {}, ...userConfigs: (ConfigItem | ConfigItem[])[]) {
   const {
     isInEditor = !!((process.env.VSCODE_PID || process.env.JETBRAINS_IDE) && !process.env.CI),
     vue: enableVue = VuePackages.some(i => isPackageExists(i)),
@@ -55,7 +55,7 @@ export function antfu(options: OptionsConfig & FlatESLintConfigItem = {}, ...use
     componentExts = [],
   } = options
 
-  const configs: FlatESLintConfigItem[][] = []
+  const configs: ConfigItem[][] = []
 
   if (enableGitignore) {
     if (typeof enableGitignore !== 'boolean') {
@@ -152,7 +152,7 @@ export function antfu(options: OptionsConfig & FlatESLintConfigItem = {}, ...use
     if (key in options)
       acc[key] = options[key] as any
     return acc
-  }, {} as FlatESLintConfigItem)
+  }, {} as ConfigItem)
   if (Object.keys(fusedConfig).length)
     configs.push([fusedConfig])
 

src/generated/stylistic.ts

@@ -0,0 +1,14 @@
+
+import type {
+  EslintRules,
+  MergeIntersection,
+  TypeScriptRules,
+  Unprefix,
+} from '@antfu/eslint-define-config'
+
+type MergedRules = MergeIntersection<
+  EslintRules &
+  Unprefix<TypeScriptRules, '@typescript-eslint/'>
+>
+
+export type StylisticRules = Pick<MergedRules, 'array-bracket-newline' | 'array-bracket-spacing' | 'array-element-newline' | 'arrow-spacing' | 'block-spacing' | 'brace-style' | 'comma-dangle' | 'comma-spacing' | 'comma-style' | 'computed-property-spacing' | 'dot-location' | 'eol-last' | 'func-call-spacing' | 'function-call-argument-newline' | 'function-paren-newline' | 'generator-star-spacing' | 'implicit-arrow-linebreak' | 'indent' | 'jsx-quotes' | 'key-spacing' | 'keyword-spacing' | 'linebreak-style' | 'lines-around-comment' | 'lines-around-directive' | 'lines-between-class-members' | 'max-len' | 'max-statements-per-line' | 'multiline-ternary' | 'new-parens' | 'newline-after-var' | 'newline-before-return' | 'newline-per-chained-call' | 'no-confusing-arrow' | 'no-extra-parens' | 'no-extra-semi' | 'no-floating-decimal' | 'no-mixed-operators' | 'no-mixed-spaces-and-tabs' | 'no-multi-spaces' | 'no-multiple-empty-lines' | 'no-spaced-func' | 'no-tabs' | 'no-trailing-spaces' | 'no-whitespace-before-property' | 'nonblock-statement-body-position' | 'object-curly-newline' | 'object-curly-spacing' | 'object-property-newline' | 'one-var-declaration-per-line' | 'operator-linebreak' | 'padded-blocks' | 'padding-line-between-statements' | 'quote-props' | 'quotes' | 'rest-spread-spacing' | 'semi' | 'semi-spacing' | 'semi-style' | 'space-before-blocks' | 'space-before-function-paren' | 'space-in-parens' | 'space-infix-ops' | 'space-unary-ops' | 'spaced-comment' | 'switch-colon-spacing' | 'template-curly-spacing' | 'template-tag-spacing' | 'wrap-iife' | 'wrap-regex' | 'yield-star-spacing' | 'member-delimiter-style' | 'type-annotation-spacing'>