"use strict"; module.exports = { env: { es6: true, }, parserOptions: { ecmaVersion: 2018, sourceType: "module", ecmaFeatures: { impliedStrict: true, }, }, rules: { // Don't allow the "use strict" pragma, since ES6 modules are always // in strict mode, and the pragma is illegal in combination with some // ES6 features (e.g. default values in function parameters) strict: [ "error", "never", ], } };