eslint.config.mjs

// The MIT License (MIT)

// Copyright (c) 2018 GitHub, Inc. and contributors

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

// See: https://eslint.org/docs/latest/use/configure/configuration-files

import {fixupPluginRules} from '@eslint/compat';
import {FlatCompat} from '@eslint/eslintrc';
import js from '@eslint/js';
import typescriptEslint from '@typescript-eslint/eslint-plugin';
import tsParser from '@typescript-eslint/parser';
import _import from 'eslint-plugin-import';
import jest from 'eslint-plugin-jest';
import prettier from 'eslint-plugin-prettier';
import globals from 'globals';
import path from 'node:path';
import {fileURLToPath} from 'node:url';

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: [
            '**/coverage',
            '**/dist',
            '**/linter',
            '**/node_modules',
            '**/lib',
            'jest.config.js',
            'rollup.config.ts'
        ]
    },
    ...compat.extends(
        'eslint:recommended',
        'plugin:@typescript-eslint/eslint-recommended',
        'plugin:@typescript-eslint/recommended',
        'plugin:jest/recommended',
        'plugin:prettier/recommended'
    ),
    {
        plugins: {
            import: fixupPluginRules(_import),
            jest,
            prettier,
            '@typescript-eslint': typescriptEslint
        },

        languageOptions: {
            globals: {
                ...globals.node,
                ...globals.jest,
                Atomics: 'readonly',
                SharedArrayBuffer: 'readonly'
            },

            parser: tsParser,
            ecmaVersion: 2023,
            sourceType: 'module',

            parserOptions: {
                project: ['tsconfig.eslint.json'],
                tsconfigRootDir: '.'
            }
        },

        settings: {
            'import/resolver': {
                typescript: {
                    alwaysTryTypes: true,
                    project: 'tsconfig.eslint.json'
                }
            }
        },

        rules: {
            camelcase: 'off',
            'eslint-comments/no-use': 'off',
            'eslint-comments/no-unused-disable': 'off',
            'i18n-text/no-en': 'off',
            'import/no-namespace': 'off',
            'no-console': 'off',
            'no-shadow': 'off',
            'no-unused-vars': 'off',
            'prettier/prettier': 'error'
        }
    }
];