.eslintrc.js

module.exports = {
    env: {
        es6: true,
        node: true,
        jest: true,
    },
    extends: [
        'eslint:recommended'
    ],
    globals: {
        Atomics: 'readonly',
        SharedArrayBuffer: 'readonly',
    },
    parserOptions: {
        ecmaVersion: 2018,
        sourceType: 'module',
    },
    rules: {
        'linebreak-style': ['error', 'unix'],
        'quotes': ['error', 'single'],
        'semi': ['error', 'always'],
        'indent': ['error', 4, { SwitchCase: 1 }],
        'require-jsdoc': 'warn',
        'object-curly-spacing': [2, 'always'],
        'comma-dangle': ['error', {
            arrays: 'never',
            objects: 'always-multiline',
            imports: 'never',
            exports: 'never',
            functions: 'never',
        }],
        'eol-last': ['error', 'always'],
    },
};