tosu/eslint.config.mjs at master · tosuapp/tosu · GitHub

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import { FlatCompat } from '@eslint/eslintrc';
import typescriptEslint from '@typescript-eslint/eslint-plugin';
import tsParser from '@typescript-eslint/parser';
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
});

export default [
    {
        ignores: [
            '**/node_modules/**',
            '**/.git/**',
            '**/.cache/**',
            '**/dist/**',
            '**/build/**',
            '**/static/**/*',
            'packages/server/assets/ingame.js',
            'packages/server/assets/homepage.js',
            'packages/server/assets/vue.js',
            'packages/ingame-overlay/renderer/ingame.js'
        ]
    },

    ...compat.extends('standard', 'plugin:prettier/recommended'),

    {
        languageOptions: {
            parser: tsParser,
            ecmaVersion: 2015, // ES6
            sourceType: 'module'
        },
        plugins: {
            '@typescript-eslint': typescriptEslint
        },
        rules: {
            semi: ['error', 'always'],
            'no-var': 'error',
            'no-unused-vars': 'off',
            'guard-for-in': 'error',

            '@typescript-eslint/no-unused-vars': [
                'error',
                {
                    vars: 'all',
                    args: 'after-used',
                    ignoreRestSiblings: true,
                    argsIgnorePattern: '^_'
                }
            ],

            'prefer-const': [
                'error',
                {
                    destructuring: 'all'
                }
            ],

            'standard/no-callback-literal': 'off'
        }
    },

    {
        files: ['**/*.ts'],
        rules: {
            'no-undef': 'off',
            'no-redeclare': 'off',
            '@typescript-eslint/no-redeclare': ['error'],
            'no-use-before-define': 'off',
            'guard-for-in': 'off'
        }
    },
    {
        files: ['**/*.d.ts'],
        rules: {
            'no-useless-constructor': 'off',
            '@typescript-eslint/no-unused-vars': 'off'
        }
    },

    // Enforce type only imports for the "tosu" module in the server package to prevent cyclic dependency.
    {
        files: ['./packages/server/**/*.ts'],
        rules: {
            '@typescript-eslint/no-restricted-imports': [
                'error',
                {
                    patterns: [
                        {
                            regex: '^tosu(/.*)?',
                            allowTypeImports: true
                        }
                    ]
                }
            ]
        }
    }
];