import globals from 'globals';

import xo from 'eslint-config-xo';

import jsdocPlugin from 'eslint-plugin-jsdoc';

import eslintPlugin from 'eslint-plugin-eslint-plugin';

import eslintPackageJson from 'eslint-package-json';

import nodeStyleTextConfig from 'node-style-text/eslint-config';

import internalRules from './scripts/internal-rules/index.js';

import eslintPluginUnicorn from './index.js';

const disabledJsdocRules = Object.fromEntries(

Object.keys(jsdocPlugin.rules).map(name => [`jsdoc/${name}`, 'off']),

);

// `eslint-config-xo` defines the `json` plugin for both package.json and generic

// JSON files; drop it from the package.json block so the package-json config owns

// the plugin in that overlapping scope.

const xoConfig = xo().map(configBlock => {

if (!(configBlock.files?.includes('**/package.json') && configBlock.plugins?.json)) {

return configBlock;

}

const {json, ...plugins} = configBlock.plugins;

return {

...configBlock,

plugins,

};

});

for (const configBlock of xoConfig) {

if (configBlock.plugins?.unicorn?.rules) {

// XO can lag local renamed rules, but inline disable comments must still validate in this repo.

configBlock.plugins.unicorn.rules['name-replacements'] = eslintPluginUnicorn.rules['name-replacements'];

// TODO: Remove when XO uses a version that ignores `node:coverage` directives.

configBlock.plugins.unicorn.rules['single-line-block-comment-style'] = eslintPluginUnicorn.rules['single-line-block-comment-style'];

}

const capitalizedComments = configBlock.rules?.['capitalized-comments'];

if (capitalizedComments) {

// TODO: Remove when `eslint-config-xo` ignores `node:coverage` directives.

const [severity, when, options] = capitalizedComments;

configBlock.rules['capitalized-comments'] = [severity, when, {...options, ignorePattern: `${options.ignorePattern}|node:coverage`}];

}

}

const config = [

...xoConfig,

eslintPackageJson.configs.recommended,

nodeStyleTextConfig,

internalRules,

{

languageOptions: {

globals: {

...globals.node,

},

},

},

{

ignores: [

'coverage',

'.ai-temporary',

'.cache-eslint-remote-tester',

'eslint-remote-tester-results',

'test/integration/{fixtures,fixtures-local}/**',

'test/fixtures/no-unnecessary-polyfills/issue-2270-node-18-range/package.json',

'test/fixtures/no-unnecessary-polyfills/issue-2270-node-22/package.json',

'test/fixtures/no-unnecessary-polyfills/package-json-sectioned-browserslist/package.json',

'**/*.ts',

],

},

{

rules: disabledJsdocRules,

},

{

files: ['**/*.js'],

rules: {

'no-sequences': ['error', {allowInParentheses: false}],

'require-unicode-regexp': 'off',

'no-shadow': 'off',

'no-unused-vars': 'off',

'no-undef': 'off',

'import-x/no-anonymous-default-export': 'off',

'node-test/no-conditional-assertion': 'off',

'n/prefer-global/process': 'off',

// https://github.com/sindresorhus/eslint-plugin-unicorn/issues/2341

'unicorn/escape-case': 'off',

'unicorn/prefer-unicode-code-point-escapes': 'off',

'unicorn/expiring-todo-comments': 'off',

'unicorn/no-hex-escape': 'off',

'unicorn/no-null': 'off',

'unicorn/consistent-boolean-name': 'off',

// Recursive AST/tree walkers are intentional in rule implementation code.

'unicorn/no-useless-recursion': 'off',

// Disabled violations remain intentional in this codebase.

'unicorn/prefer-minimal-ternary': 'off',

'unicorn/prefer-simple-condition-first': 'off',

'unicorn/prefer-simplified-conditions': 'off',

// `eslint-config-xo` 4 brings in `eslint-plugin-unicorn` 76, which reports much more code with these rules. The codebase does not follow them yet.

'unicorn/prefer-ternary': 'off',

'unicorn/prefer-combined-guards': 'off',

'unicorn/prefer-early-return': 'off',

'unicorn/prefer-logical-operator-over-ternary': 'off',

'unicorn/prefer-continue': 'off',

// Many existing internal utilities intentionally export declarations separately.

'unicorn/default-export-style': 'off',

'unicorn/prefer-array-flat': ['error', {

functions: [

'flat',

'flatten',

],

}],

'unicorn/consistent-function-scoping': 'off',

'import/order': 'off',

'func-names': 'off',

'@stylistic/function-paren-newline': 'off',

'@stylistic/curly-newline': 'off',

// Some non-test rule files have names that match Node.js test file conventions.

'node-test/no-import-test-files': 'off',

// https://github.com/sindresorhus/eslint-plugin-unicorn/issues/2833

'unicorn/template-indent': ['error', {indent: '\t'}],

// These `regexp/*` rules flag our own rule-implementation regexes, which run on source

// code at lint time rather than untrusted input, and rewriting them would hurt readability.

'regexp/optimal-quantifier-concatenation': 'off',

'regexp/no-super-linear-move': 'off',

'regexp/no-super-linear-backtracking': 'off',

'regexp/strict': 'off',

'regexp/no-control-character': 'off',

'regexp/prefer-named-capture-group': 'off',

// Our long-standing `eslint-disable` directives predate this rule and are self-explanatory.

'@eslint-community/eslint-comments/require-description': 'off',

},

},

{

// Shared test helpers configure `node:test` when loaded and register tests for the test files that import them.

files: ['test/utils/*.js'],

rules: {

'node-test/no-export': 'off',

'unicorn/no-top-level-side-effects': 'off',

},

},

{

files: [

'rules/no-unused-properties.js',

],

rules: {

'unicorn/name-replacements': 'error',

},

},

{

files: [

'rules/comment-content.js',

'rules/consistent-assert.js',

'rules/no-for-each.js',

'rules/no-array-reduce.js',

'rules/no-declarations-before-early-exit.js',

'rules/no-error-property-assignment.js',

'rules/no-redundant-comparison.js',

'rules/no-unnecessary-polyfills.js',

'rules/prefer-math-min-max.js',

'rules/prefer-private-class-fields.js',

'scripts/internal-rules/fix-snapshot-test.js',

'test/utils/snapshot-rule-tester.js',

],

rules: {

// Existing implementations intentionally use nested control flow in a few places.

'unicorn/no-break-in-nested-loop': 'off',

},

},

{

files: [

'test/**/*.js',

],

rules: {

// Test files contain source-code fixtures in template literals.

'unicorn/no-incorrect-template-string-interpolation': 'off',

},

},

{

// Intentional HTTP identifiers and examples.

files: [

'rules/prefer-https.js',

'test/prefer-https.js',

'test/no-url-in-search-params.js',

'test/string-content.js',

],

rules: {

'unicorn/prefer-https': 'off',

},

},

{

files: ['rules/prefer-https.js'],

rules: {

'regexp/no-super-linear-backtracking': 'error',

'regexp/no-super-linear-move': 'error',

},

},

{

files: [

'rules/*.js',

],

plugins: {

'eslint-plugin': eslintPlugin,

},

rules: {

...eslintPlugin.configs.all.rules,

'eslint-plugin/require-meta-docs-description': [

'error',

{

pattern: '.+',

},

],

'eslint-plugin/require-meta-docs-recommended': [

'error',

{

allowNonBoolean: true,

},

],

'eslint-plugin/require-meta-docs-url': 'off',

'eslint-plugin/require-meta-has-suggestions': 'off',

'eslint-plugin/require-meta-schema': 'off',

'eslint-plugin/require-meta-schema-description': 'error',

},

},

];

export default config;