.eslintrc.js

module.exports = {
    extends: [
        'airbnb-base',
        'eslint:recommended',
        'plugin:@typescript-eslint/recommended',
        'plugin:@typescript-eslint/recommended-requiring-type-checking',
        'plugin:prettier/recommended'
    ],
    parser: '@typescript-eslint/parser',
    parserOptions: {
        ecmaVersion: 2020,
        project: 'tsconfig.json',
        sourceType: 'module',
        ecmaFeatures: {
            jsx: false,
        },
        warnOnUnsupportedTypeScriptVersion: false,
    },
    plugins: ['@typescript-eslint', 'prettier'],
    env: {
        node: true,
        browser: true,
        es2020: true,
    },
    rules: {
        'no-use-before-define': 'off',
        'no-underscore-dangle': 'off',
        '@typescript-eslint/no-use-before-define': ['error'],
        '@typescript-eslint/no-unused-vars': 0,
        'class-methods-use-this': 0,
        'import/prefer-default-export': 0,
        'import/extensions': [
            2,
            'ignorePackages',
            {
                js: 'never',
                ts: 'never',
            },
        ],
        'prettier/prettier': [
            'error',
            {
                endOfLine: 'auto',
            },
        ],
    },
    settings: {
        'import/extensions': ['.ts', '.tsx'],
        'import/resolver': {
            node: {
                extensions: ['.js', '.jsx', '.ts', '.tsx'],
                moduleDirectory: ['node_modules', 'src/'],
            },
        },
    },
};