.eslintrc

{
  "parser": "babel-eslint",
  "extends": ["airbnb-base", "prettier", "plugin:jest/recommended"],
  "plugins": ["prettier", "jest"],

  "env": {
    "browser": true,
    "jest/globals": true
  },

  "globals": {
    "__DEV__": false,
    "__TEST__": false,
    "__PROD__": false,
    "__COVERAGE__": false
  },

  "rules": {
    "no-console": "error",
    "object-curly-newline": 0,
    "prefer-destructuring": 0,
    "comma-dangle": ["error", "never"],
    "no-underscore-dangle": 0,
    "no-named-as-default-member": 0,
    "no-lonely-if": 2,
    "no-nested-ternary": 2,
    "no-throw-literal": 0,
    "no-plusplus": 0,
    "max-nested-callbacks": [2, { "max": 5 }],
    "no-multiple-empty-lines": ["error", { "max": 1, "maxEOF": 1 }],
    "constructor-super": 2,
    "no-this-before-super": 2,
    "prefer-spread": 2,
    "prefer-reflect": 0,
    "no-warning-comments": [1, { "terms": ["todo", "fixme"], "location": "start" }],
    "no-param-reassign": 0,
    "quotes": ["error", "single", { "allowTemplateLiterals": true }],
    "complexity": ["error", 4],
    "prettier/prettier": [
      "error",
      {
        "printWidth": 100,
        "singleQuote": true
      }
    ]
  }
}