.eslintrc.base.js

module.exports = {
  parser: "@typescript-eslint/parser", // Specifies the ESLint parser
  parserOptions: {
    // NOTE: These need to be set in each apps/* and packages/* projects.
    //tsconfigRootDir: __dirname,
    //project: ['./tsconfig.json'],
    ecmaVersion: 2018, // Allows for the parsing of modern ECMAScript features
    sourceType: "module", // Allows for the use of imports
  },
  settings: {
    "import/parsers": {
      "@typescript-eslint/parser": [".ts", ".tsx"],
    },
    "import/resolver": {
      typescript: {
        alwaysTryTypes: true,
      }, // this loads <rootdir>/tsconfig.json to eslint
    },
  },
  extends: [
    "eslint:recommended",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
    //"plugin:jest/recommended",
    "plugin:prettier/recommended", // Enables eslint-plugin-prettier and displays prettier errors as ESLint errors. Make sure this is always the last configuration in the extends array.
  ],
  plugins: ["import", "sort-destructure-keys", "simple-import-sort"],
  rules: {
    // too many changes
    "@typescript-eslint/ban-types": "warn",
    // too many changes - end

    "@typescript-eslint/no-unused-vars": [
      "error",
      { argsIgnorePattern: "^_", ignoreRestSiblings: true },
    ],
    "@typescript-eslint/no-use-before-define": "off",
    "@typescript-eslint/explicit-function-return-type": "off",
    "@typescript-eslint/interface-name-prefix": "off",
    "@typescript-eslint/no-empty-interface": [
      "error",
      {
        allowSingleExtends: true,
      },
    ],
    // Place to specify ESLint rules. Can be used to overwrite rules specified from the extended configs
    // e.g. "@typescript-eslint/explicit-function-return-type": "off",
    "sort-destructure-keys/sort-destructure-keys": "error", // Mainly to sort render props

    "sort-imports": "off",
    "import/first": "error",
    //"import/no-cycle": "error",
    "import/newline-after-import": "error",
    "import/no-duplicates": "error",
    "import/no-unresolved": "error",
    "import/order": "off",
    "simple-import-sort/imports": "error",

    "object-shorthand": "error",
    "prefer-destructuring": "warn",

    // a nice idea for some parts of the code, but definitely not all.
    "@typescript-eslint/explicit-module-boundary-types": "off",
  },
}