.eslintrc.json

{
  "plugins": ["@typescript-eslint", "import", "prettier"],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": ["./tsconfig.json", "./tsconfig-test.json"]
  },
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:import/typescript",
    "plugin:mocha/recommended",
    "plugin:prettier/recommended"
  ],
  "settings": {
    "import/parsers": {
      "@typescript-eslint/parser": [".ts", ".tsx"]
    },
    "import/resolver": {
      "node": {},
      "typescript": {
        "project": ["./tsconfig.json", "./tsconfig-test.json"],
        "alwaysTryTypes": true
      }
    }
  },
  "ignorePatterns": ["*.js", "*.d.ts", "node_modules/", "coverage", "playground/*"],
  "rules": {
    "mocha/no-mocha-arrows": 0,
    "mocha/no-setup-in-describe": 0,
    "mocha/max-top-level-suites": ["warn", { "limit": 2 }],
    "prettier/prettier": [
      "error",
      {
        "endOfLine": "auto"
      }
    ],
    "@typescript-eslint/no-require-imports": ["error"],
    "import/no-extraneous-dependencies": [
      "error",
      {
        "devDependencies": ["**/test/**"],
        "optionalDependencies": false,
        "peerDependencies": true
      }
    ],
    "import/no-unresolved": ["error"],
    "import/order": [
      "warn",
      {
        "groups": ["builtin", "external"],
        "alphabetize": {
          "order": "asc",
          "caseInsensitive": true
        }
      }
    ],
    "no-duplicate-imports": ["error"],
    "no-shadow": ["off"],
    "@typescript-eslint/no-shadow": ["error"],
    "@typescript-eslint/no-explicit-any": ["off"],
    "@typescript-eslint/ban-types": ["off"],
    "@typescript-eslint/no-unused-vars": ["off"],
    "key-spacing": ["error"],
    "no-multiple-empty-lines": ["error"],
    "@typescript-eslint/no-floating-promises": ["off"],
    "no-return-await": ["off"],
    "@typescript-eslint/return-await": ["error"],
    "no-trailing-spaces": ["error"],
    "dot-notation": ["error"],
    "no-bitwise": ["error"]
  }
}