.eslintrc.json

{
  "root": true,
  "env": {
    "browser": true,
    "commonjs": true,
    "es6": true,
    "node": true
  },
  "parser": "@typescript-eslint/parser",
  "plugins": ["@typescript-eslint"],
  "extends": [
    "airbnb-base",
    "airbnb-typescript",
    "eslint:recommended",
    "@typescript-eslint/parser",
    "plugin:@typescript-eslint/recommended",
    "plugin:@typescript-eslint/recommended-requiring-type-checking",
    "plugin:node/recommended",
    "plugin:prettier/recommended"
  ],
  "parserOptions": {
    "project": "./tsconfig.json",
    "tsconfigRootdir": "./",
    "ecmaVersion": "latest",
    "sourceType": "module",
    "createDefaultProgram": true
  },
  "rules": {
    "no-unused-vars": "warn",
    "no-console": "off",
    "func-names": "off",
    "no-shadow": "off",
    "consistent-return": "off",
    "no-var": "warn",
    "no-use-before-define": "warn",
    "no-restricted-globals": "warn",
    "no-process-exit": "off",
    "no-underscore-dangle": "off",
    "import/prefer-default-export": "off",
    "import/no-extraneous-dependencies": [
      "error",
      {
        "devDependencies": true
      }
    ],
    "react/jsx-filename-extension": [0, { "extensions": [".js", ".jsx"] }],
    "@typescript-eslint/no-unsafe-assignment": "off",
    "@typescript-eslint/no-var-requires": "off",
    "@typescript-eslint/no-misused-promises": "off",
    "@typescript-eslint/no-floating-promises": "off",
    "@typescript-eslint/await-thenable": "warn",
    "@typescript-eslint/restrict-template-expressions": "warn",
    "@typescript-eslint/no-use-before-define": "warn",
    "@typescript-eslint/no-unsafe-member-access": "warn",
    "@typescript-eslint/no-shadow": "warn",
    "@typescript-eslint/no-throw-literal": "warn",
    "node/no-process-env": 1,
    "node/no-unsupported-features/es-syntax": [
      "error",
      { "ignores": ["modules", "dynamicImport"] }
    ],
    "node/no-missing-import": 0,
    "node/no-unpublished-import": 0
  },
  "overrides": [
    {
      "files": ["**/__tests__/**/*", "**/*.{spec,test}.*"],
      "env": {
        "jest/globals": true
      },
      "plugins": ["jest", "testing-library"],
      "extends": [
        "plugin:jest/recommended",
        "plugin:jest-dom/recommended",
        "plugin:testing-library/react"
      ]
    }
  ]
}