eslint.config.mjs

import { fixupConfigRules, fixupPluginRules } from "@eslint/compat";
import typescriptEslint from "@typescript-eslint/eslint-plugin";
import formatjs from "eslint-plugin-formatjs";
import patternflyReact from "eslint-plugin-patternfly-react";
import react from "eslint-plugin-react";
import simpleImportSort from "eslint-plugin-simple-import-sort";
import sortKeysFix from "eslint-plugin-sort-keys-fix";
import testingLibrary from "eslint-plugin-testing-library";
import globals from "globals";
import path from "node:path";
import { fileURLToPath } from "node:url";
import js from "@eslint/js";
import { FlatCompat } from "@eslint/eslintrc";
// import prettier from "eslint-plugin-prettier";

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const compat = new FlatCompat({
    baseDirectory: __dirname,
    recommendedConfig: js.configs.recommended,
    allConfig: js.configs.all
});

export default [{
    ignores: [
        '**/node_modules',
        '**/public',
        '**/dist',
        '**/.DS_Store',
        '**/coverage',
        '**/npm-debug.log',
        '**/yarn-debug.log',
        '**/yarn-error.log',
        '**/.idea',
        '**/.project',
        '**/.classpath',
        '**/.c9',
        '**/*.launch',
        '**/.settings',
        '**/*.sublime-workspace',
        '**/.history',
        '**/.vscode',
        '**/*.swp',
        '**/*.test.ts',
        '**/*.test.tsx',
    ],
}, ...fixupConfigRules(compat.extends(
    '@redhat-cloud-services/eslint-config-redhat-cloud-services',
    'eslint:recommended', // Extended by eslint-config-redhat-cloud-services
    'plugin:@typescript-eslint/recommended',
    'plugin:react/recommended', // Extended by eslint-config-redhat-cloud-services
    'plugin:react-hooks/recommended',
)), {
    plugins: {
        '@typescript-eslint': fixupPluginRules(typescriptEslint),
        formatjs,
        'patternfly-react': patternflyReact,
        // prettier, // Plugin defined by eslint-config-redhat-cloud-services
        react: fixupPluginRules(react),
        'simple-import-sort': simpleImportSort,
        'sort-keys-fix': sortKeysFix,
        'testing-library': testingLibrary,
    },

    languageOptions: {
        globals: {
            ...globals.browser,
            ...globals.node,
            afterEach: 'readonly',
            beforeEach: 'readonly',
            describe: 'readonly',
            expect: 'readonly',
            global: 'writable',
            insights: 'readonly',
            it: 'readonly',
            jest: 'readonly',
            mount: 'readonly',
            render: 'readonly',
            require: 'readonly',
            test: 'readonly',
            shallow: 'readonly',
        },

        ecmaVersion: 7,
        sourceType: 'module',

        parserOptions: {
            ecmaFeatures: {
                jsx: true,
            },
        },
    },

    settings: {
        react: {
            version: 'detect',
        },
    },

    rules: {
        '@typescript-eslint/adjacent-overload-signatures': 'error',
        '@typescript-eslint/array-type': 'error',
        '@typescript-eslint/camelcase': 'off',
        '@typescript-eslint/consistent-type-assertions': 'error',
        '@typescript-eslint/consistent-type-definitions': 'error',
        '@typescript-eslint/consistent-type-imports': 'error',
        '@typescript-eslint/explicit-function-return-type': 'off',
        '@typescript-eslint/explicit-module-boundary-types': 'off',
        '@typescript-eslint/explicit-member-accessibility': 'off',
        '@typescript-eslint/indent': 'off',
        '@typescript-eslint/no-empty-function': 'off',
        '@typescript-eslint/no-empty-interface': 'off',
        '@typescript-eslint/no-empty-object-type': 'off',
        '@typescript-eslint/no-misused-new': 'error',
        '@typescript-eslint/no-namespace': 'error',
        '@typescript-eslint/no-require-imports': 'off',
        '@typescript-eslint/no-unused-expressions': 'warn',
        '@typescript-eslint/no-var-requires': 'off',
        '@typescript-eslint/prefer-for-of': 'error',
        '@typescript-eslint/prefer-function-type': 'error',
        '@typescript-eslint/prefer-namespace-keyword': 'error',
        '@typescript-eslint/no-explicit-any': 'off',
        '@typescript-eslint/no-use-before-define': 'off',
        '@typescript-eslint/no-inferrable-types': 'off',
        '@typescript-eslint/triple-slash-reference': 'error',
        '@typescript-eslint/unified-signatures': 'error',

        'arrow-parens': [2, 'as-needed', {
            requireForBlockBody: false,
        }],

        'constructor-super': 'error',
        curly: 'error',
        'dot-notation': 'error',
        eqeqeq: ['error', 'smart'],
        // 'formatjs/enforce-default-message': 'error', // Not working -- see https://github.com/formatjs/formatjs/issues/4388
        // 'formatjs/enforce-description': 'error',
        // 'formatjs/enforce-id': 'error',
        'guard-for-in': 'error',
        'max-classes-per-file': ['error', 1],
        'max-len': 'off',
        'no-bitwise': 'error',
        'no-caller': 'error',
        'no-cond-assign': 'error',
        'no-console': 'error',
        'no-debugger': 'error',
        'no-empty': 'error',
        'no-eval': 'error',
        'no-new-wrappers': 'error',
        'no-prototype-builtins': 'off',

        'no-restricted-imports': ['error', {
            patterns: ['../*/**'],
        }],

        'no-shadow': 'error',
        'no-throw-literal': 'error',
        'no-trailing-spaces': 'off',
        'no-undef': 'off',
        'no-undef-init': 'error',
        'no-unsafe-finally': 'error',

        'no-unused-expressions': ['error', {
            allowTernary: true,
            allowShortCircuit: true,
        }],

        'no-unused-labels': 'error',
        'no-var': 'error',
        'object-shorthand': 'error',
        'one-var': ['error', 'never'],
        'patternfly-react/no-anonymous-functions': 0,
        'prefer-const': 'error',
        'prettier/prettier': 'error',
        radix: ['error', 'as-needed'],
        'react-hooks/exhaustive-deps': 0,
        'react/display-name': 0,
        'react/no-is-mounted': 0,
        'react/no-unescaped-entities': ['error', {
            forbid: ['>', '}'],
        }],

        'react/no-unknown-property': ['error', {
            ignore: ['key'],
        }],

        'react/prop-types': 0,
        'simple-import-sort/imports': 'error',
        'spaced-comment': 'error',
        'rulesdir/disallow-pf-migrated-components': 'off',
        'rulesdir/forbid-pf-relative-imports': 'off',
        'testing-library/await-async-queries': 'error',
        'testing-library/no-await-sync-queries': 'error',
        // 'testing-library/no-debugging-utils': 'warn', // Not working -- see https://eslint.org/docs/latest/use/troubleshooting/v9-rule-api-changes
        'testing-library/no-dom-import': 'off',
        'use-isnan': 'error',
    },
}, {
    files: ['src/locales/messages.ts'],

    rules: {
        'sort-keys-fix/sort-keys-fix': 'error',
    },
}, ...compat.extends('plugin:testing-library/react').map(config => ({
    ...config,
    files: ['**/__tests__/**/*.[jt]s?(x)', '**/?(*.)+(spec|test).[jt]s?(x)'],
}))];