.eslintrc.json

{
  "env": {
      "browser": true,
      "es6": true,
      "node": true,
      "jest": true
  },
  "extends": [
      "airbnb-base",
      "plugin:@typescript-eslint/recommended",
      "prettier/@typescript-eslint",
      "plugin:prettier/recommended"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
      "ecmaVersion": 11,
      "sourceType": "module"
  },
  "plugins": [
      "@typescript-eslint",
      "prettier",
      "eslint-plugin-import-helpers"
  ],
  "rules": {
      "no-new": "off",
      "no-prototype-builtins": "off",
      "no-restricted-syntax": "off",
      "max-classes-per-file": "off",
      "@typescript-eslint/no-explicit-any": "off",
      "no-console": "off",
      "import/prefer-default-export": "off",
      "@typescript-eslint/explicit-function-return-type": [
          "off"
      ],
      "@typescript-eslint/no-unused-vars": [
          "error",
          {
              "argsIgnorePattern": "_"
          }
      ],
      "no-useless-constructor": "off",
      "@typescript-eslint/naming-convention": [
          "error",
          {
              "selector": "interface",
              "format": [
                  "PascalCase"
              ],
              "custom": {
                  "regex": "^I[A-Z]",
                  "match": true
              }
          }
      ],
      "@typescript-eslint/explicit-module-boundary-types": [
          "warn",
          {
              "allowArgumentsExplicitlyTypedAsAny": true
          }
      ],
      "no-underscore-dangle": "off",
      "@typescript-eslint/camelcase": "off",
      "prettier/prettier": "error",
      "class-methods-use-this": "off",
      "import/extensions": [
          "error",
          "ignorePackages",
          {
              "ts": "never"
          }
      ],
      "import-helpers/order-imports": [
          "warn",
          {
              "newlinesBetween": "always", // new line between groups
              "groups": [
                  "module",
                  "/^@server\/shared/",
                  "/^@/",
                  [
                      "parent",
                      "sibling",
                      "index"
                  ]
              ],
              "alphabetize": {
                  "order": "asc",
                  "ignoreCase": true
              }
          }
      ]
  }
}