Update

README.md

@@ -8,4 +8,4 @@ Personal ESLint config. Guaranteed to have no useless polyfills.
 - ✅ [react](https://github.com/jsx-eslint/eslint-plugin-react/pull/3429)
 - ✅ [unicorn](https://github.com/sindresorhus/eslint-plugin-unicorn/pull/1886)
 - ❌ [import](https://github.com/un-ts/eslint-plugin-import-x/issues/29)
-- ❌ [jsx-a11y](https://github.com/jsx-eslint/eslint-plugin-jsx-a11y/issues/978)
+- ❌ [jsx-a11y](https://github.com/jsx-eslint/eslint-plugin-jsx-a11y/issues/978, supports flat config)

dist/package.json

@@ -1,9 +1,10 @@
 {
   "name": "@aet/eslint-rules",
-  "version": "1.0.1-beta.13",
+  "version": "1.0.1-beta.15",
   "license": "UNLICENSED",
   "bin": {
-    "eslint-install": "./install.js"
+    "eslint-install": "install.js",
+    "eslint-print": "print-config.sh"
   },
   "peerDependencies": {
     "eslint": "^8.57.0",
@@ -19,7 +20,7 @@
     "@typescript-eslint/parser": "^8.0.0",
     "@typescript-eslint/type-utils": "^8.0.0",
     "@typescript-eslint/utils": "^8.0.0",
-    "@eslint-react/eslint-plugin": "^1.8.0",
+    "@eslint-react/eslint-plugin": "1.7.1",
     "aria-query": "^5.3.0",
     "axe-core": "^4.10.0",
     "axobject-query": "4.1.0",
@@ -63,4 +64,4 @@
     "**/is-core-module": "file:./overrides/is-core-module",
     "**/supports-preserve-symlinks-flag": "file:./overrides/supports-preserve-symlinks-flag"
   }
-}
+}

dist/print-config.sh

@@ -0,0 +1,2 @@
+#!/bin/bash
+node -e "console.dir(require('./.eslintrc.js'), { depth: null })" 

package.json

@@ -45,6 +45,7 @@
     "picocolors": "^1.0.1",
     "prettier": "^3.3.3",
     "prop-types": "^15.8.1",
+    "terser": "^5.31.3",
     "type-fest": "^4.23.0",
     "typescript": "^5.5.4"
   },

pnpm-lock.yaml

@@ -132,6 +132,9 @@ importers:
       prop-types:
         specifier: ^15.8.1
         version: 15.8.1
+      terser:
+        specifier: ^5.31.3
+        version: 5.31.3
       type-fest:
         specifier: ^4.23.0
         version: 4.23.0
@@ -923,6 +926,9 @@ packages:
     resolution: {integrity: sha512-R8gLRTZeyp03ymzP/6Lil/28tGeGEzhx1q2k703KGWRAI1VdvPIXdG70VJc2pAMw3NA6JKL5hhFu1sJX0Mnn/A==}
     engines: {node: '>=6.0.0'}
 
+  '@jridgewell/source-map@0.3.6':
+    resolution: {integrity: sha512-1ZJTZebgqllO79ue2bm3rIGud/bOe0pP5BjSRCRxxYkEZS8STV7zN84UBbiYu7jy+eCKSnVIUgoWWE/tt+shMQ==}
+
   '@jridgewell/sourcemap-codec@1.5.0':
     resolution: {integrity: sha512-gv3ZRaISU3fjPAgNsriBRqGWQL6quFx04YMPW/zD8XMLsU32mhCCbfbO6KZFLjvYpCZ8zyDEgqsgf+PwPaM7GQ==}
 
@@ -1158,6 +1164,9 @@ packages:
     engines: {node: ^6 || ^7 || ^8 || ^9 || ^10 || ^11 || ^12 || >=13.7}
     hasBin: true
 
+  buffer-from@1.1.2:
+    resolution: {integrity: sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==}
+
   call-me-maybe@1.0.2:
     resolution: {integrity: sha512-HpX65o1Hnr9HH25ojC1YGs7HCQLq0GCOibSaWER0eNpgJ/Z1MZv2mTc7+xh6WOPxbRVcmgbv4hGU+uSQ/2xFZQ==}
 
@@ -1197,6 +1206,9 @@ packages:
   color-name@1.1.4:
     resolution: {integrity: sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==}
 
+  commander@2.20.3:
+    resolution: {integrity: sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==}
+
   common-path-prefix@3.0.0:
     resolution: {integrity: sha512-QE33hToZseCH3jS0qN96O/bSh3kaw/h+Tq7ngyY9eWDUnTlTNUyqfqvCXioLe5Na5jFsL78ra/wuBU4iuEgd4w==}
 
@@ -1782,6 +1794,13 @@ packages:
     resolution: {integrity: sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q==}
     engines: {node: '>=8'}
 
+  source-map-support@0.5.21:
+    resolution: {integrity: sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==}
+
+  source-map@0.6.1:
+    resolution: {integrity: sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==}
+    engines: {node: '>=0.10.0'}
+
   stable-hash@0.0.4:
     resolution: {integrity: sha512-LjdcbuBeLcdETCrPn9i8AYAZ1eCtu4ECAWtP7UleOiZ9LzVxRzzUZEoZ8zB24nhkQnDWyET0I+3sWokSDS3E7g==}
 
@@ -1813,6 +1832,11 @@ packages:
     resolution: {integrity: sha512-ot0WnXS9fgdkgIcePe6RHNk1WA8+muPa6cSjeR3V8K27q9BB1rTE3R1p7Hv0z1ZyAc8s6Vvv8DIyWf681MAt0w==}
     engines: {node: '>= 0.4'}
 
+  terser@5.31.3:
+    resolution: {integrity: sha512-pAfYn3NIZLyZpa83ZKigvj6Rn9c/vd5KfYGX7cN1mnzqgDcxWvrU5ZtAfIKhEXz9nRecw4z3LXkjaq96/qZqAA==}
+    engines: {node: '>=10'}
+    hasBin: true
+
   text-table@0.2.0:
     resolution: {integrity: sha512-N+8UisAXDGk8PFXP4HAzVR9nbfmVJ3zYLAWiTIoqC5v5isinhr+r5uaO8+7r3BMfuNIufIsA7RdpVgacC2cSpw==}
 
@@ -2843,6 +2867,11 @@ snapshots:
 
   '@jridgewell/set-array@1.2.1': {}
 
+  '@jridgewell/source-map@0.3.6':
+    dependencies:
+      '@jridgewell/gen-mapping': 0.3.5
+      '@jridgewell/trace-mapping': 0.3.25
+
   '@jridgewell/sourcemap-codec@1.5.0': {}
 
   '@jridgewell/trace-mapping@0.3.25':
@@ -3131,6 +3160,8 @@ snapshots:
       node-releases: 2.0.18
       update-browserslist-db: 1.1.0(browserslist@4.23.3)
 
+  buffer-from@1.1.2: {}
+
   call-me-maybe@1.0.2: {}
 
   callsites@3.1.0: {}
@@ -3168,6 +3199,8 @@ snapshots:
 
   color-name@1.1.4: {}
 
+  commander@2.20.3: {}
+
   common-path-prefix@3.0.0: {}
 
   concat-map@0.0.1: {}
@@ -3768,6 +3801,13 @@ snapshots:
 
   slash@3.0.0: {}
 
+  source-map-support@0.5.21:
+    dependencies:
+      buffer-from: 1.1.2
+      source-map: 0.6.1
+
+  source-map@0.6.1: {}
+
   stable-hash@0.0.4: {}
 
   string-argv@0.3.2: {}
@@ -3794,6 +3834,13 @@ snapshots:
 
   supports-preserve-symlinks-flag@1.0.0: {}
 
+  terser@5.31.3:
+    dependencies:
+      '@jridgewell/source-map': 0.3.6
+      acorn: 8.12.1
+      commander: 2.20.3
+      source-map-support: 0.5.21
+
   text-table@0.2.0: {}
 
   tmp@0.0.33:

scripts/build.ts

@@ -6,6 +6,7 @@ import esbuild from 'esbuild';
 import type { Plugin } from 'esbuild';
 import { memoize } from 'lodash';
 import { gray, green } from 'picocolors';
+import { minify_sync } from 'terser';
 import { dependencies } from '../dist/package.json';
 import { buildLocalRules } from './build-local-rules';
 import { dts } from './dts';
@@ -65,15 +66,15 @@ if (process.env.DEBUG) {
   });
 }
 
-function bundle(
+async function bundle(
   entry: string,
   outfile = entry
     .replace('./packages/', './dist/')
     .replace('src/', '')
     .replace('.ts', '.js'),
-  options?: esbuild.BuildOptions,
+  options?: esbuild.BuildOptions & { treeShaking?: boolean },
 ) {
-  return esbuild.build({
+  const output = await esbuild.build({
     entryPoints: [entry],
     outfile,
     bundle: true,
@@ -90,6 +91,30 @@ function bundle(
     },
     ...options,
   });
+
+  if (options?.treeShaking) {
+    const [text, setText] = await useText(outfile);
+    const minified = minify_sync(text, {
+      module: true,
+      compress: {
+        conditionals: true,
+        dead_code: true,
+        defaults: false,
+        evaluate: true,
+        passes: 3,
+        pure_new: true,
+        side_effects: true,
+        unused: true,
+      },
+      mangle: false,
+      format: {
+        comments: true,
+      },
+    });
+    setText(minified.code!);
+  }
+
+  return output;
 }
 
 async function editPackageJson() {
@@ -134,6 +159,9 @@ async function main() {
   bundleType('./src/prettier.ts', './dist/prettier.d.ts');
   bundleType('./src/types.ts', './dist/types.d.ts');
 
+  const unminify = { minify: false };
+  const treeShake = { treeShaking: true, minify: false };
+
   console.log('Building packages...');
   await Promise.all([
     bundle('./packages/eslint-plugin-jsx-a11y/src/index.js'),
@@ -142,10 +170,10 @@ async function main() {
     bundle('./packages/eslint-import-resolver-typescript/src/index.ts'),
     bundle('./src/rules/index.ts', './dist/eslint-plugin-rules/index.js'),
     bundle('./src/local/index.ts', './dist/eslint-plugin-local/index.js'),
-    bundle('./src/index.ts', './dist/index.js'),
-    bundle('./src/types.ts', './dist/types.js'),
-    bundle('./src/prettier.ts', './dist/prettier.js'),
-    bundle('./src/install.ts', './dist/install.js', { minify: false }),
+    bundle('./src/index.ts', './dist/index.js', unminify),
+    bundle('./src/types.ts', './dist/types.js', unminify),
+    bundle('./src/prettier.ts', './dist/prettier.js', unminify),
+    bundle('./src/install.ts', './dist/install.js', treeShake),
     editPackageJson(),
   ]);
 

src/env.ts

@@ -6,39 +6,48 @@ import { tailwind } from './presets/tailwind';
 import { reactQuery } from './presets/misc';
 import { testingLibrary } from './presets/testing-library';
 
+const middlewares = {
+  react,
+  reactRefresh,
+  tailwind,
+  storybook,
+  reactQuery,
+  testingLibrary,
+};
+
 export const envs: {
   dependency: string;
   eslintPlugin?: string;
-  middleware: Middleware;
+  middleware: keyof typeof middlewares;
 }[] = [
   {
     dependency: 'react',
-    middleware: react,
+    middleware: 'react',
   },
   {
     dependency: '@vitejs/plugin-react',
     eslintPlugin: 'eslint-plugin-react-refresh',
-    middleware: reactRefresh,
+    middleware: 'reactRefresh',
   },
   {
     dependency: 'tailwindcss',
     eslintPlugin: 'eslint-plugin-tailwindcss',
-    middleware: tailwind,
+    middleware: 'tailwind',
   },
   {
     dependency: 'storybook',
     eslintPlugin: 'eslint-plugin-storybook',
-    middleware: storybook,
+    middleware: 'storybook',
   },
   {
     dependency: '@tanstack/react-query',
     eslintPlugin: '@tanstack/eslint-plugin-query',
-    middleware: reactQuery,
+    middleware: 'reactQuery',
   },
   {
     dependency: '@testing-library/react',
     eslintPlugin: 'eslint-plugin-testing-library',
-    middleware: testingLibrary,
+    middleware: 'testingLibrary',
   },
 ];
 
@@ -64,7 +73,7 @@ export function* checkEnv(): Generator<Middleware> {
 
   for (const { dependency, eslintPlugin, middleware } of envs) {
     if (deps.has(dependency) && (!eslintPlugin || deps.has(eslintPlugin))) {
-      yield middleware;
+      yield middlewares[middleware];
     }
   }
 }

src/index.ts

@@ -135,7 +135,7 @@ interface MiddlewareFunctions {
  */
 export function extendConfig(
   of: InputConfig & {
-    middlewares: Middleware[];
+    middlewares?: Middleware[];
   } = {
     middlewares: [],
   },

src/install.ts

@@ -9,11 +9,7 @@ const packages = uniq(
     .map(_ => _.eslintPlugin!),
 );
 
-console.log('Installing missing ESLint plugins:');
-for (const pkg of packages) {
-  console.log(`- ${pkg}`);
-}
-console.log();
+console.log('Installing missing ESLint plugins.\n');
 
 void installPackage(packages, {
   silent: false,