.eslintrc.json

{
  "root": true,
  "env": {
    "es6": true,
    "jest": true
  },
  "globals": {
    "parseSource": true
  },
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 2020,
    "sourceType": "module",
    "project": "./tsconfig.eslint.json"
  },
  "plugins": [
    "jest",
    "import",
    "prettier",
    "lodash-fp",
    "jest-formatting",
    "simple-import-sort",
    "@typescript-eslint"
  ],
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:import/errors",
    "plugin:import/typescript",
    "plugin:jest-formatting/strict",
    "plugin:lodash-fp/recommended",
    "plugin:@typescript-eslint/recommended",
    "prettier",
    "prettier/@typescript-eslint",
    "plugin:prettier/recommended" // KEEP THIS LAST
  ],
  "rules": {
    "sort-imports": "off",
    "import/no-extraneous-dependencies": "off",
    "newline-per-chained-call": [
      2,
      {
        "ignoreChainWithDepth": 3
      }
    ],
    "simple-import-sort/imports": "error",
    "simple-import-sort/exports": "error",
    "import/first": "error",
    "import/newline-after-import": "error",
    "import/no-duplicates": "error",
    "import/no-unresolved": "off"
  },
  "overrides": [
    {
      "files": [
        "demo.js"
      ],
      "env": {
        "node": true
      },
      "rules": {
        "@typesctipt-eslint/no-var-requires": "off"
      }
    }
  ]
}