.eslintrc.json

{
  "env": {
    "browser": true,
    "es2021": true
  },
  "plugins": ["@typescript-eslint"],
  "extends": ["airbnb-base", "airbnb-typescript/base", "plugin:sonarjs/recommended", "prettier"],
  "parser": "@typescript-eslint/parser",
  "overrides": [],
  "parserOptions": {
    "requireConfigFile": false,
    "ecmaVersion": 12,
    "sourceType": "module",
    "project": "./tsconfig.json"
  },
  "rules": {
    "max-classes-per-file": "off",
    "import/prefer-default-export": "off",
    "@typescript-eslint/no-implied-eval": "warn",
    "@typescript-eslint/no-unused-vars": [
      "error",
      {
        "args": "all",
        "argsIgnorePattern": "^_"
      }
    ],
    "no-plusplus": "off",
    "consistent-return": "off", // https://eslint.org/docs/latest/rules/consistent-return#when-not-to-use-it
    "class-methods-use-this": "off",
    "no-param-reassign": "warn",
    "no-restricted-syntax": "off",
    "no-cond-assign": "warn",
    "no-useless-constructor": "warn",
    "@typescript-eslint/no-useless-constructor": "warn"
  }
}