.eslintrc.js

module.exports = {
        env: {
          browser: false,
          es6: true,
          jest: true,
        },
        extends: [
          'airbnb-base',
          'plugin:jest/all',
        ],
        globals: {
          Atomics: 'readonly',
          SharedArrayBuffer: 'readonly',
        },
        parserOptions: {
          ecmaVersion: 2018,
          sourceType: 'module',
        },
        plugins: ['jest'],
        rules: {
          'max-classes-per-file': 'off',
          'no-underscore-dangle': 'off',
          'no-console': 'off',
          'no-shadow': 'off',
          'no-restricted-syntax': [
            'error',
            'LabeledStatement',
            'WithStatement',
          ],
        },
        overrides:[
          {
            files: ['*.js'],
            excludedFiles: 'babel.config.js',
          }
        ]
};