Support ESLint new config system

configs/all.mjs

@@ -0,0 +1,8 @@
+import recommended from './recommended.mjs'
+
+export default {
+	...recommended,
+	rules: Object.fromEntries(Object.entries(recommended.rules).map(
+		([ruleId, severity]) => [ruleId, ruleId.startsWith('unicorn/') ? 'error' : severity],
+	)),
+}

configs/recommended.mjs

@@ -0,0 +1,119 @@
+import unicorn from '../index.mjs'
+
+export default {
+	plugins: {
+		unicorn,
+	},
+	rules: {
+		'unicorn/better-regex': 'error',
+		'unicorn/catch-error-name': 'error',
+		'unicorn/consistent-destructuring': 'error',
+		'unicorn/consistent-function-scoping': 'error',
+		'unicorn/custom-error-definition': 'off',
+		'unicorn/empty-brace-spaces': 'error',
+		'unicorn/error-message': 'error',
+		'unicorn/escape-case': 'error',
+		'unicorn/expiring-todo-comments': 'error',
+		'unicorn/explicit-length-check': 'error',
+		'unicorn/filename-case': 'error',
+		'unicorn/import-style': 'error',
+		'unicorn/new-for-builtins': 'error',
+		'unicorn/no-abusive-eslint-disable': 'error',
+		'unicorn/no-array-callback-reference': 'error',
+		'unicorn/no-array-for-each': 'error',
+		'unicorn/no-array-method-this-argument': 'error',
+		'unicorn/no-array-push-push': 'error',
+		'unicorn/no-array-reduce': 'error',
+		'unicorn/no-await-expression-member': 'error',
+		'unicorn/no-console-spaces': 'error',
+		'unicorn/no-document-cookie': 'error',
+		'unicorn/no-empty-file': 'error',
+		'unicorn/no-for-loop': 'error',
+		'unicorn/no-hex-escape': 'error',
+		'unicorn/no-instanceof-array': 'error',
+		'unicorn/no-invalid-remove-event-listener': 'error',
+		'unicorn/no-keyword-prefix': 'off',
+		'unicorn/no-lonely-if': 'error',
+		'no-nested-ternary': 'off',
+		'unicorn/no-nested-ternary': 'error',
+		'unicorn/no-new-array': 'error',
+		'unicorn/no-new-buffer': 'error',
+		'unicorn/no-null': 'error',
+		'unicorn/no-object-as-default-parameter': 'error',
+		'unicorn/no-process-exit': 'error',
+		'unicorn/no-static-only-class': 'error',
+		'unicorn/no-thenable': 'error',
+		'unicorn/no-this-assignment': 'error',
+		'unicorn/no-unreadable-array-destructuring': 'error',
+		'unicorn/no-unreadable-iife': 'error',
+		'unicorn/no-unsafe-regex': 'off',
+		'unicorn/no-unused-properties': 'off',
+		'unicorn/no-useless-fallback-in-spread': 'error',
+		'unicorn/no-useless-length-check': 'error',
+		'unicorn/no-useless-promise-resolve-reject': 'error',
+		'unicorn/no-useless-spread': 'error',
+		'unicorn/no-useless-switch-case': 'error',
+		'unicorn/no-useless-undefined': 'error',
+		'unicorn/no-zero-fractions': 'error',
+		'unicorn/number-literal-case': 'error',
+		'unicorn/numeric-separators-style': 'error',
+		'unicorn/prefer-add-event-listener': 'error',
+		'unicorn/prefer-array-find': 'error',
+		'unicorn/prefer-array-flat': 'error',
+		'unicorn/prefer-array-flat-map': 'error',
+		'unicorn/prefer-array-index-of': 'error',
+		'unicorn/prefer-array-some': 'error',
+		// TODO: Enable this by default when targeting a Node.js version that supports `Array#at`.
+		'unicorn/prefer-at': 'off',
+		'unicorn/prefer-code-point': 'error',
+		'unicorn/prefer-date-now': 'error',
+		'unicorn/prefer-default-parameters': 'error',
+		'unicorn/prefer-dom-node-append': 'error',
+		'unicorn/prefer-dom-node-dataset': 'error',
+		'unicorn/prefer-dom-node-remove': 'error',
+		'unicorn/prefer-dom-node-text-content': 'error',
+		// TODO: Enable this by default when targeting Node.js 16.
+		'unicorn/prefer-event-target': 'off',
+		'unicorn/prefer-export-from': 'error',
+		'unicorn/prefer-includes': 'error',
+		'unicorn/prefer-json-parse-buffer': 'off',
+		'unicorn/prefer-keyboard-event-key': 'error',
+		'unicorn/prefer-logical-operator-over-ternary': 'error',
+		'unicorn/prefer-math-trunc': 'error',
+		'unicorn/prefer-modern-dom-apis': 'error',
+		'unicorn/prefer-modern-math-apis': 'error',
+		'unicorn/prefer-module': 'error',
+		'unicorn/prefer-native-coercion-functions': 'error',
+		'unicorn/prefer-negative-index': 'error',
+		'unicorn/prefer-node-protocol': 'error',
+		'unicorn/prefer-number-properties': 'error',
+		'unicorn/prefer-object-from-entries': 'error',
+		'unicorn/prefer-optional-catch-binding': 'error',
+		'unicorn/prefer-prototype-methods': 'error',
+		'unicorn/prefer-query-selector': 'error',
+		'unicorn/prefer-reflect-apply': 'error',
+		'unicorn/prefer-regexp-test': 'error',
+		'unicorn/prefer-set-has': 'error',
+		'unicorn/prefer-spread': 'error',
+		// TODO: Enable this by default when targeting Node.js 16.
+		'unicorn/prefer-string-replace-all': 'off',
+		'unicorn/prefer-string-slice': 'error',
+		'unicorn/prefer-string-starts-ends-with': 'error',
+		'unicorn/prefer-string-trim-start-end': 'error',
+		'unicorn/prefer-switch': 'error',
+		'unicorn/prefer-ternary': 'error',
+		'unicorn/prefer-top-level-await': 'error',
+		'unicorn/prefer-type-error': 'error',
+		'unicorn/prevent-abbreviations': 'error',
+		'unicorn/relative-url-style': 'error',
+		'unicorn/require-array-join-separator': 'error',
+		'unicorn/require-number-to-fixed-digits-argument': 'error',
+		// Turned off because we can't distinguish `widow.postMessage` and `{Worker,MessagePort,Client,BroadcastChannel}#postMessage()`
+		// See #1396
+		'unicorn/require-post-message-target-origin': 'off',
+		'unicorn/string-content': 'off',
+		'unicorn/template-indent': 'error',
+		'unicorn/text-encoding-identifier-case': 'error',
+		'unicorn/throw-new-error': 'error',
+	},
+};

index.js

@@ -1,8 +1,8 @@
 'use strict';
 const createDeprecatedRules = require('./rules/utils/create-deprecated-rules.js');
 const {loadRules} = require('./rules/utils/rule.js');
-const recommendedConfig = require('./configs/recommended.js');
-const allRulesEnabledConfig = require('./configs/all.js');
+const recommendedConfig = require('./configs-legacy/recommended.js');
+const allRulesEnabledConfig = require('./configs-legacy/all.js');
 
 const deprecatedRules = createDeprecatedRules({
 	// {ruleId: ReplacementRuleId | ReplacementRuleId[]}, if no replacement, use `{ruleId: []}`

index.mjs

@@ -0,0 +1,29 @@
+import createDeprecatedRules from './rules/utils/create-deprecated-rules.js';
+import { loadRules } from './rules/utils/rule.js';
+
+const deprecatedRules = createDeprecatedRules({
+	// {ruleId: ReplacementRuleId | ReplacementRuleId[]}, if no replacement, use `{ruleId: []}`
+	'import-index': [],
+	'no-array-instanceof': 'unicorn/no-instanceof-array',
+	'no-fn-reference-in-iterator': 'unicorn/no-array-callback-reference',
+	'no-reduce': 'unicorn/no-array-reduce',
+	'prefer-dataset': 'unicorn/prefer-dom-node-dataset',
+	'prefer-event-key': 'unicorn/prefer-keyboard-event-key',
+	'prefer-exponentiation-operator': 'prefer-exponentiation-operator',
+	'prefer-flat-map': 'unicorn/prefer-array-flat-map',
+	'prefer-node-append': 'unicorn/prefer-dom-node-append',
+	'prefer-node-remove': 'unicorn/prefer-dom-node-remove',
+	'prefer-object-has-own': 'prefer-object-has-own',
+	'prefer-replace-all': 'unicorn/prefer-string-replace-all',
+	'prefer-starts-ends-with': 'unicorn/prefer-string-starts-ends-with',
+	'prefer-text-content': 'unicorn/prefer-dom-node-text-content',
+	'prefer-trim-start-end': 'unicorn/prefer-string-trim-start-end',
+	'regex-shorthand': 'unicorn/better-regex',
+});
+
+export default {
+	rules: {
+		...loadRules(),
+		...deprecatedRules,
+	},
+}

package.json

@@ -13,6 +13,16 @@
 	"engines": {
 		"node": ">=14.18"
 	},
+	"main": "index.js",
+	"exports": {
+		".": {
+			"import": "./index.mjs",
+			"require": "./index.js"
+		},
+		"./all": "./configs/all.mjs",
+		"./recommended": "./configs/recommended.mjs",
+		"./package.json": "./package.json"
+	},
 	"scripts": {
 		"create-rule": "node ./scripts/create-rule.mjs && npm run generate-rule-notices && npm run generate-rules-table",
 		"fix": "run-p --continue-on-error fix:*",
@@ -32,8 +42,10 @@
 	},
 	"files": [
 		"index.js",
+		"experimental.mjs",
 		"rules",
-		"configs"
+		"configs",
+		"configs-legacy"
 	],
 	"keywords": [
 		"eslint",