.eslintrc.json

{
  "parserOptions": {
    "ecmaVersion": 2017,
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "env": {
    "jest": true,
    "browser": true,
    "node": true,
    "es6": true
  },
  "extends": [
    "standard",
    "standard-jsx",
    "plugin:prettier/recommended",
    "plugin:jest/recommended",
    "prettier/react",
    "prettier/standard",
    "prettier/@typescript-eslint"
  ],
  "rules": {
    "linebreak-style": ["error", "unix"]
  },
  "overrides": [
    {
      "files": ["*.ts", "*.tsx"],
      "parser": "@typescript-eslint/parser",
      "plugins": ["@typescript-eslint"],
      "rules": {
        "import/export": "off",
        "no-dupe-class-members": "off",
        "no-empty-pattern": "off",
        "no-inner-declarations": "off",
        "no-redeclare": "off",
        "no-undef": "off",
        "no-unused-expressions": "off",
        "no-use-before-define": "off",
        "no-useless-constructor": "off",
        "standard/no-callback-literal": "off",
        "@typescript-eslint/adjacent-overload-signatures": "error",
        "@typescript-eslint/array-type": "error",
        "@typescript-eslint/ban-types": "error",
        "camelcase": "off",
        "@typescript-eslint/camelcase": "error",
        "@typescript-eslint/class-name-casing": "error",
        "@typescript-eslint/explicit-member-accessibility": "error",
        "@typescript-eslint/interface-name-prefix": "error",
        "@typescript-eslint/no-angle-bracket-type-assertion": "error",
        "no-array-constructor": "off",
        "@typescript-eslint/no-array-constructor": "error",
        "@typescript-eslint/no-empty-interface": "error",
        "@typescript-eslint/no-inferrable-types": "error",
        "@typescript-eslint/no-misused-new": "error",
        "@typescript-eslint/no-namespace": "error",
        "@typescript-eslint/no-non-null-assertion": "error",
        "@typescript-eslint/no-object-literal-type-assertion": "error",
        "@typescript-eslint/no-parameter-properties": "error",
        "@typescript-eslint/no-triple-slash-reference": "error",
        "no-unused-vars": "off",
        "@typescript-eslint/no-unused-vars": "warn",
        "@typescript-eslint/no-use-before-define": "error",
        "@typescript-eslint/no-var-requires": "error",
        "@typescript-eslint/prefer-interface": "error",
        "@typescript-eslint/prefer-namespace-keyword": "error"
      }
    }
  ]
}