.eslintrc.json

{
  "root": true,
  "extends": [
    "airbnb/base"
  ],
  "plugins": [
    "@typescript-eslint",
    "jest"
  ],
  "parser": "@typescript-eslint/parser",
  "rules": {
    "class-methods-use-this": "off",
    "no-console": "off",
    "max-len": [
      "error",
      {
        "code": 100,
        "ignoreStrings": true
      }
    ],
    "implicit-arrow-linebreak": "off",
    "import/no-unresolved": 0,
    "import/prefer-default-export": 0,
    "indent": [
      2,
      2,
      {
        "flatTernaryExpressions": true
      }
    ],
    "no-unused-vars": "off",
    "no-undef": "error",
    "no-tabs": "error",
    "no-param-reassign": "off",
    "no-nested-ternary": 0,
    "import/extensions": 0,
    "arrow-parens": [
      "error",
      "as-needed"
    ],
    "operator-linebreak": 0,
    "no-underscore-dangle": 0,
    "import/no-extraneous-dependencies": ["error", { "devDependencies": ["**/*.test.*"] }],
    "@typescript-eslint/no-unused-vars": [
      "error"
    ],
    "jest/no-disabled-tests": "warn",
    "jest/no-focused-tests": "error",
    "jest/no-identical-title": "error",
    "jest/prefer-to-have-length": "warn",
    "jest/valid-expect": "error"
  },
  "env": {
    "node": true,
    "jest/globals": true
  },
  "ignorePatterns": [
    "lib/**/*",
    "esm/**/*"
  ]
}