.eslintrc.json

{
  "env": {
    "browser": true,
    "es2021": true,
    "node": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended",
    "prettier"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": [
      "tsconfig.json"
    ],
    "ecmaVersion": "latest",
    "sourceType": "module"
  },
  "plugins": [
    "@typescript-eslint",
    "import",
    "prettier"
  ],
  "rules": {
    "prettier/prettier": "error",
    "quotes": [
      "error",
      "double"
    ],
    "max-len": [
      "error",
      {
        "code": 120
      }
    ],
    "import/extensions": [
      "error",
      "never"
    ],
    "max-classes-per-file": [
      "error",
      10
    ],
    "import/prefer-default-export": "off",
    "object-curly-newline": "off",
    "no-use-before-define": "off",
    "no-unused-vars": "off",
    "@typescript-eslint/no-use-before-define": [
      "error",
      {
        "functions": false,
        "classes": false
      }
    ],
    "@typescript-eslint/no-unused-vars": [
      "error"
    ]
  },
  "settings": {
    "import/resolver": {
      "node": {
        "extensions": [
          ".js",
          ".jsx",
          ".ts",
          ".tsx"
        ]
      }
    }
  }
}