.eslintrc.js

module.exports = {
    env: {
        browser: true,
        es2021: true,
    },
    extends: [
        'plugin:react/recommended',
        'xo',
    ],
    overrides: [
        {
            extends: [
                'xo-typescript',
            ],
            files: [
                '*.ts',
                '*.tsx',
            ],
            rules: {
                '@typescript-eslint/ban-ts-comment': 'off',
                '@typescript-eslint/ban-types': ['error', {
                    types: {
                        null: false,
                    },
                    extendDefaults: true,
                }],
                '@typescript-eslint/indent': ['error', 4],
                '@typescript-eslint/object-curly-spacing': ['error', 'always'],
                '@typescript-eslint/naming-convention': ['error', {
                    selector: 'typeParameter',
                    format: ['PascalCase'],
                    prefix: ['T'],
                }],
                '@typescript-eslint/no-empty-function': ['error', { allow: ['arrowFunctions'] }],
            },
        },
    ],
    parserOptions: {
        ecmaVersion: 'latest',
        sourceType: 'module',
    },
    plugins: [
        'react',
    ],
    rules: {
        indent: ['error', 4],
        'capitalized-comments': 'off',
        'object-curly-spacing': ['error', 'always'],
    },
};