.eslintrc.json

{
  "env": {
    "browser": true,
    "commonjs": true,
    "node": true,
    "es6": true,
    "jest/globals": true
  },
  "plugins": [
    "jest"
  ],
  "extends": [
    "eslint:recommended",
    "plugin:jest/recommended"
  ],
  "parser": "babel-eslint",
  "parserOptions": {
    "sourceType": "module",
    "ecmaVersion": 6,
    "allowImportExportEverywhere": false,
    "codeFrame": false
  },
  "rules": {
    "jest/no-disabled-tests": "warn",
    "jest/no-focused-tests": "error",
    "jest/no-identical-title": "error",
    "jest/valid-expect": "error",
    "strict": 0,
    "arrow-parens": [
      "error",
      "as-needed"
    ],
    "arrow-body-style": [
      2,
      "as-needed"
    ],
    "comma-dangle": [
      2,
      "always-multiline"
    ],
    "import/imports-first": 0,
    "import/newline-after-import": 0,
    "import/no-dynamic-require": 0,
    "import/no-extraneous-dependencies": 0,
    "import/no-named-as-default": 0,
    "import/prefer-default-export": 0,
    "indent": [
      2,
      2,
      {
        "SwitchCase": 1
      }
    ],
    "linebreak-style": [
      "error",
      "unix"
    ],
    "quotes": [
      "error",
      "single"
    ],
    "semi": [
      "error",
      "never"
    ],
    "getter-return": ["off", {"allowImplicit": true}],
    "for-direction": "off",
    "max-len": 0,
    "newline-per-chained-call": 0,
    "no-confusing-arrow": 0,
    "no-console": 0,
    "no-use-before-define": 0,
    "class-methods-use-this": 0
  }
}