.eslintrc.json

{
  // https://eslint.org/docs/user-guide/configuring/language-options#specifying-environments
  "env": {
    "commonjs": true,
    "es2021": true,
    "node": true,
    "jest": true
  },
  "extends": [
    // Airbnb's base JS .eslintrc (without React plugins).
    // https://github.com/airbnb/javascript/tree/master/packages/eslint-config-airbnb-base
    // Style Guide: https://github.com/airbnb/javascript
    "airbnb-base",
    // Turns off all rules that are unnecessary or might conflict with Prettier.
    // https://github.com/prettier/eslint-config-prettier
    // Make sure to put it last, so it gets the chance to override other configs.
    "prettier"
  ],
  // https://www.npmjs.com/package/@babel/eslint-parser
  "parser": "@babel/eslint-parser",
  // https://eslint.org/docs/user-guide/configuring/language-options#specifying-parser-options
  "parserOptions": {
    "ecmaVersion": 12,
    "sourceType": "module" //,
    // "allowImportExportEverywhere": false,
    // "ecmaFeatures": {
    //   "globalReturn": false
    // }
  },
  // "plugins": ["@babel"],
  "rules": {
    // Resuelve https://github.com/airbnb/javascript/issues/2030
    "import/extensions": ["error", "ignorePackages"]
  }
}